MachineDebuggerImpl.cpp@ 80008

Last change on this file since 80008 was 80008, checked in by vboxsync, 5 years ago
VMM: Kicking out raw-mode (work in progress). bugref:9517
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1	/* $Id: MachineDebuggerImpl.cpp 80008 2019-07-26 14:05:14Z vboxsync $ */
2	/** @file
3	* VBox IMachineDebugger COM class implementation (VBoxC).
4	*/
5
6	/*
7	* Copyright (C) 2006-2019 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#define LOG_GROUP LOG_GROUP_MAIN_MACHINEDEBUGGER
23	#include "LoggingNew.h"
24
25	#include "MachineDebuggerImpl.h"
26
27	#include "Global.h"
28	#include "ConsoleImpl.h"
29
30	#include "AutoCaller.h"
31
32	#include <VBox/vmm/em.h>
33	#include <VBox/vmm/uvm.h>
34	#include <VBox/vmm/tm.h>
35	#include <VBox/vmm/hm.h>
36	#include <VBox/err.h>
37	#include <iprt/cpp/utils.h>
38
39
40	// constructor / destructor
41	/////////////////////////////////////////////////////////////////////////////
42
43	MachineDebugger::MachineDebugger()
44	: mParent(NULL)
45	{
46	}
47
48	MachineDebugger::~MachineDebugger()
49	{
50	}
51
52	HRESULT MachineDebugger::FinalConstruct()
53	{
54	unconst(mParent) = NULL;
55	return BaseFinalConstruct();
56	}
57
58	void MachineDebugger::FinalRelease()
59	{
60	uninit();
61	BaseFinalRelease();
62	}
63
64	// public initializer/uninitializer for internal purposes only
65	/////////////////////////////////////////////////////////////////////////////
66
67	/**
68	* Initializes the machine debugger object.
69	*
70	* @returns COM result indicator
71	* @param aParent handle of our parent object
72	*/
73	HRESULT MachineDebugger::init(Console *aParent)
74	{
75	LogFlowThisFunc(("aParent=%p\n", aParent));
76
77	ComAssertRet(aParent, E_INVALIDARG);
78
79	/* Enclose the state transition NotReady->InInit->Ready */
80	AutoInitSpan autoInitSpan(this);
81	AssertReturn(autoInitSpan.isOk(), E_FAIL);
82
83	unconst(mParent) = aParent;
84
85	for (unsigned i = 0; i < RT_ELEMENTS(maiQueuedEmExecPolicyParams); i++)
86	maiQueuedEmExecPolicyParams[i] = UINT8_MAX;
87	mSingleStepQueued = -1;
88	mRecompileUserQueued = -1;
89	mRecompileSupervisorQueued = -1;
90	mPatmEnabledQueued = -1;
91	mCsamEnabledQueued = -1;
92	mLogEnabledQueued = -1;
93	mVirtualTimeRateQueued = UINT32_MAX;
94	mFlushMode = false;
95
96	/* Confirm a successful initialization */
97	autoInitSpan.setSucceeded();
98
99	return S_OK;
100	}
101
102	/**
103	* Uninitializes the instance and sets the ready flag to FALSE.
104	* Called either from FinalRelease() or by the parent when it gets destroyed.
105	*/
106	void MachineDebugger::uninit()
107	{
108	LogFlowThisFunc(("\n"));
109
110	/* Enclose the state transition Ready->InUninit->NotReady */
111	AutoUninitSpan autoUninitSpan(this);
112	if (autoUninitSpan.uninitDone())
113	return;
114
115	unconst(mParent) = NULL;
116	mFlushMode = false;
117	}
118
119	// IMachineDebugger properties
120	/////////////////////////////////////////////////////////////////////////////
121
122	/**
123	* Returns the current singlestepping flag.
124	*
125	* @returns COM status code
126	* @param aSingleStep Where to store the result.
127	*/
128	HRESULT MachineDebugger::getSingleStep(BOOL *aSingleStep)
129	{
130	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
131	Console::SafeVMPtr ptrVM(mParent);
132	HRESULT hrc = ptrVM.rc();
133	if (SUCCEEDED(hrc))
134	{
135	RT_NOREF(aSingleStep); /** @todo */
136	ReturnComNotImplemented();
137	}
138	return hrc;
139	}
140
141	/**
142	* Sets the singlestepping flag.
143	*
144	* @returns COM status code
145	* @param aSingleStep The new state.
146	*/
147	HRESULT MachineDebugger::setSingleStep(BOOL aSingleStep)
148	{
149	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
150	Console::SafeVMPtr ptrVM(mParent);
151	HRESULT hrc = ptrVM.rc();
152	if (SUCCEEDED(hrc))
153	{
154	NOREF(aSingleStep); /** @todo */
155	ReturnComNotImplemented();
156	}
157	return hrc;
158	}
159
160	/**
161	* Internal worker for getting an EM executable policy setting.
162	*
163	* @returns COM status code.
164	* @param enmPolicy Which EM policy.
165	* @param pfEnforced Where to return the policy setting.
166	*/
167	HRESULT MachineDebugger::i_getEmExecPolicyProperty(EMEXECPOLICY enmPolicy, BOOL *pfEnforced)
168	{
169	CheckComArgOutPointerValid(pfEnforced);
170
171	AutoCaller autoCaller(this);
172	HRESULT hrc = autoCaller.rc();
173	if (SUCCEEDED(hrc))
174	{
175	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
176	if (i_queueSettings())
177	*pfEnforced = maiQueuedEmExecPolicyParams[enmPolicy] == 1;
178	else
179	{
180	bool fEnforced = false;
181	Console::SafeVMPtrQuiet ptrVM(mParent);
182	hrc = ptrVM.rc();
183	if (SUCCEEDED(hrc))
184	EMR3QueryExecutionPolicy(ptrVM.rawUVM(), enmPolicy, &fEnforced);
185	*pfEnforced = fEnforced;
186	}
187	}
188	return hrc;
189	}
190
191	/**
192	* Internal worker for setting an EM executable policy.
193	*
194	* @returns COM status code.
195	* @param enmPolicy Which policy to change.
196	* @param fEnforce Whether to enforce the policy or not.
197	*/
198	HRESULT MachineDebugger::i_setEmExecPolicyProperty(EMEXECPOLICY enmPolicy, BOOL fEnforce)
199	{
200	AutoCaller autoCaller(this);
201	HRESULT hrc = autoCaller.rc();
202	if (SUCCEEDED(hrc))
203	{
204	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
205	if (i_queueSettings())
206	maiQueuedEmExecPolicyParams[enmPolicy] = fEnforce ? 1 : 0;
207	else
208	{
209	Console::SafeVMPtrQuiet ptrVM(mParent);
210	hrc = ptrVM.rc();
211	if (SUCCEEDED(hrc))
212	{
213	int vrc = EMR3SetExecutionPolicy(ptrVM.rawUVM(), enmPolicy, fEnforce != FALSE);
214	if (RT_FAILURE(vrc))
215	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("EMR3SetExecutionPolicy failed with %Rrc"), vrc);
216	}
217	}
218	}
219	return hrc;
220	}
221
222	/**
223	* Returns the current recompile user mode code flag.
224	*
225	* @returns COM status code
226	* @param aRecompileUser address of result variable
227	*/
228	HRESULT MachineDebugger::getRecompileUser(BOOL *aRecompileUser)
229	{
230	return i_getEmExecPolicyProperty(EMEXECPOLICY_RECOMPILE_RING3, aRecompileUser);
231	}
232
233	/**
234	* Sets the recompile user mode code flag.
235	*
236	* @returns COM status
237	* @param aRecompileUser new user mode code recompile flag.
238	*/
239	HRESULT MachineDebugger::setRecompileUser(BOOL aRecompileUser)
240	{
241	LogFlowThisFunc(("enable=%d\n", aRecompileUser));
242	return i_setEmExecPolicyProperty(EMEXECPOLICY_RECOMPILE_RING3, aRecompileUser);
243	}
244
245	/**
246	* Returns the current recompile supervisor code flag.
247	*
248	* @returns COM status code
249	* @param aRecompileSupervisor address of result variable
250	*/
251	HRESULT MachineDebugger::getRecompileSupervisor(BOOL *aRecompileSupervisor)
252	{
253	return i_getEmExecPolicyProperty(EMEXECPOLICY_RECOMPILE_RING0, aRecompileSupervisor);
254	}
255
256	/**
257	* Sets the new recompile supervisor code flag.
258	*
259	* @returns COM status code
260	* @param aRecompileSupervisor new recompile supervisor code flag
261	*/
262	HRESULT MachineDebugger::setRecompileSupervisor(BOOL aRecompileSupervisor)
263	{
264	LogFlowThisFunc(("enable=%d\n", aRecompileSupervisor));
265	return i_setEmExecPolicyProperty(EMEXECPOLICY_RECOMPILE_RING0, aRecompileSupervisor);
266	}
267
268	/**
269	* Returns the current execute-all-in-IEM setting.
270	*
271	* @returns COM status code
272	* @param aExecuteAllInIEM Address of result variable.
273	*/
274	HRESULT MachineDebugger::getExecuteAllInIEM(BOOL *aExecuteAllInIEM)
275	{
276	return i_getEmExecPolicyProperty(EMEXECPOLICY_IEM_ALL, aExecuteAllInIEM);
277	}
278
279	/**
280	* Changes the execute-all-in-IEM setting.
281	*
282	* @returns COM status code
283	* @param aExecuteAllInIEM New setting.
284	*/
285	HRESULT MachineDebugger::setExecuteAllInIEM(BOOL aExecuteAllInIEM)
286	{
287	LogFlowThisFunc(("enable=%d\n", aExecuteAllInIEM));
288	return i_setEmExecPolicyProperty(EMEXECPOLICY_IEM_ALL, aExecuteAllInIEM);
289	}
290
291	/**
292	* Returns the current patch manager enabled flag.
293	*
294	* @returns COM status code
295	* @param aPATMEnabled address of result variable
296	*/
297	HRESULT MachineDebugger::getPATMEnabled(BOOL *aPATMEnabled)
298	{
299	*aPATMEnabled = false;
300	return S_OK;
301	}
302
303	/**
304	* Set the new patch manager enabled flag.
305	*
306	* @returns COM status code
307	* @param aPATMEnabled new patch manager enabled flag
308	*/
309	HRESULT MachineDebugger::setPATMEnabled(BOOL aPATMEnabled)
310	{
311	LogFlowThisFunc(("enable=%d\n", aPATMEnabled));
312
313	if (aPATMEnabled)
314	return setErrorBoth(VBOX_E_VM_ERROR, VERR_RAW_MODE_NOT_SUPPORTED, tr("PATM not present"), VERR_NOT_SUPPORTED);
315	return S_OK;
316	}
317
318	/**
319	* Returns the current code scanner enabled flag.
320	*
321	* @returns COM status code
322	* @param aCSAMEnabled address of result variable
323	*/
324	HRESULT MachineDebugger::getCSAMEnabled(BOOL *aCSAMEnabled)
325	{
326	*aCSAMEnabled = false;
327	return S_OK;
328	}
329
330	/**
331	* Sets the new code scanner enabled flag.
332	*
333	* @returns COM status code
334	* @param aCSAMEnabled new code scanner enabled flag
335	*/
336	HRESULT MachineDebugger::setCSAMEnabled(BOOL aCSAMEnabled)
337	{
338	LogFlowThisFunc(("enable=%d\n", aCSAMEnabled));
339
340	if (aCSAMEnabled)
341	return setErrorBoth(VBOX_E_VM_ERROR, VERR_RAW_MODE_NOT_SUPPORTED, tr("CASM not present"));
342	return S_OK;
343	}
344
345	/**
346	* Returns the log enabled / disabled status.
347	*
348	* @returns COM status code
349	* @param aLogEnabled address of result variable
350	*/
351	HRESULT MachineDebugger::getLogEnabled(BOOL *aLogEnabled)
352	{
353	#ifdef LOG_ENABLED
354	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
355
356	const PRTLOGGER pLogInstance = RTLogDefaultInstance();
357	*aLogEnabled = pLogInstance && !(pLogInstance->fFlags & RTLOGFLAGS_DISABLED);
358	#else
359	*aLogEnabled = false;
360	#endif
361
362	return S_OK;
363	}
364
365	/**
366	* Enables or disables logging.
367	*
368	* @returns COM status code
369	* @param aLogEnabled The new code log state.
370	*/
371	HRESULT MachineDebugger::setLogEnabled(BOOL aLogEnabled)
372	{
373	LogFlowThisFunc(("aLogEnabled=%d\n", aLogEnabled));
374
375	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
376
377	if (i_queueSettings())
378	{
379	// queue the request
380	mLogEnabledQueued = aLogEnabled;
381	return S_OK;
382	}
383
384	Console::SafeVMPtr ptrVM(mParent);
385	if (FAILED(ptrVM.rc())) return ptrVM.rc();
386
387	#ifdef LOG_ENABLED
388	int vrc = DBGFR3LogModifyFlags(ptrVM.rawUVM(), aLogEnabled ? "enabled" : "disabled");
389	if (RT_FAILURE(vrc))
390	{
391	/** @todo handle error code. */
392	}
393	#endif
394
395	return S_OK;
396	}
397
398	HRESULT MachineDebugger::i_logStringProps(PRTLOGGER pLogger, PFNLOGGETSTR pfnLogGetStr,
399	const char pszLogGetStr, Utf8Str pstrSettings)
400	{
401	/* Make sure the VM is powered up. */
402	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
403	Console::SafeVMPtr ptrVM(mParent);
404	HRESULT hrc = ptrVM.rc();
405	if (FAILED(hrc))
406	return hrc;
407
408	/* Make sure we've got a logger. */
409	if (!pLogger)
410	{
411	*pstrSettings = "";
412	return S_OK;
413	}
414
415	/* Do the job. */
416	size_t cbBuf = _1K;
417	for (;;)
418	{
419	char pszBuf = (char )RTMemTmpAlloc(cbBuf);
420	AssertReturn(pszBuf, E_OUTOFMEMORY);
421	int vrc = pstrSettings->reserveNoThrow(cbBuf);
422	if (RT_SUCCESS(vrc))
423	{
424	vrc = pfnLogGetStr(pLogger, pstrSettings->mutableRaw(), cbBuf);
425	if (RT_SUCCESS(vrc))
426	{
427	pstrSettings->jolt();
428	return S_OK;
429	}
430	*pstrSettings = "";
431	AssertReturn(vrc == VERR_BUFFER_OVERFLOW,
432	setErrorBoth(VBOX_E_IPRT_ERROR, vrc, tr("%s returned %Rrc"), pszLogGetStr, vrc));
433	}
434	else
435	return E_OUTOFMEMORY;
436
437	/* try again with a bigger buffer. */
438	cbBuf *= 2;
439	AssertReturn(cbBuf <= _256K, setError(E_FAIL, tr("%s returns too much data"), pszLogGetStr));
440	}
441	}
442
443	HRESULT MachineDebugger::getLogDbgFlags(com::Utf8Str &aLogDbgFlags)
444	{
445	return i_logStringProps(RTLogGetDefaultInstance(), RTLogGetFlags, "RTGetFlags", &aLogDbgFlags);
446	}
447
448	HRESULT MachineDebugger::getLogDbgGroups(com::Utf8Str &aLogDbgGroups)
449	{
450	return i_logStringProps(RTLogGetDefaultInstance(), RTLogGetGroupSettings, "RTLogGetGroupSettings", &aLogDbgGroups);
451	}
452
453	HRESULT MachineDebugger::getLogDbgDestinations(com::Utf8Str &aLogDbgDestinations)
454	{
455	return i_logStringProps(RTLogGetDefaultInstance(), RTLogGetDestinations, "RTLogGetDestinations", &aLogDbgDestinations);
456	}
457
458	HRESULT MachineDebugger::getLogRelFlags(com::Utf8Str &aLogRelFlags)
459	{
460	return i_logStringProps(RTLogRelGetDefaultInstance(), RTLogGetFlags, "RTGetFlags", &aLogRelFlags);
461	}
462
463	HRESULT MachineDebugger::getLogRelGroups(com::Utf8Str &aLogRelGroups)
464	{
465	return i_logStringProps(RTLogRelGetDefaultInstance(), RTLogGetGroupSettings, "RTLogGetGroupSettings", &aLogRelGroups);
466	}
467
468	HRESULT MachineDebugger::getLogRelDestinations(com::Utf8Str &aLogRelDestinations)
469	{
470	return i_logStringProps(RTLogRelGetDefaultInstance(), RTLogGetDestinations, "RTLogGetDestinations", &aLogRelDestinations);
471	}
472
473	/**
474	* Return the main execution engine of the VM.
475	*
476	* @returns COM status code
477	* @param apenmEngine Address of the result variable.
478	*/
479	HRESULT MachineDebugger::getExecutionEngine(VMExecutionEngine_T *apenmEngine)
480	{
481	*apenmEngine = VMExecutionEngine_NotSet;
482
483	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
484	Console::SafeVMPtrQuiet ptrVM(mParent);
485	if (ptrVM.isOk())
486	{
487	uint8_t bEngine = UINT8_MAX;
488	int rc = EMR3QueryMainExecutionEngine(ptrVM.rawUVM(), &bEngine);
489	if (RT_SUCCESS(rc))
490	switch (bEngine)
491	{
492	case VM_EXEC_ENGINE_NOT_SET: *apenmEngine = VMExecutionEngine_NotSet; break;
493	case VM_EXEC_ENGINE_RAW_MODE: *apenmEngine = VMExecutionEngine_RawMode; break;
494	case VM_EXEC_ENGINE_HW_VIRT: *apenmEngine = VMExecutionEngine_HwVirt; break;
495	case VM_EXEC_ENGINE_NATIVE_API: *apenmEngine = VMExecutionEngine_NativeApi; break;
496	default: AssertMsgFailed(("bEngine=%d\n", bEngine));
497	}
498	}
499
500	return S_OK;
501	}
502
503	/**
504	* Returns the current hardware virtualization flag.
505	*
506	* @returns COM status code
507	* @param aHWVirtExEnabled address of result variable
508	*/
509	HRESULT MachineDebugger::getHWVirtExEnabled(BOOL *aHWVirtExEnabled)
510	{
511	*aHWVirtExEnabled = false;
512
513	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
514	Console::SafeVMPtrQuiet ptrVM(mParent);
515	if (ptrVM.isOk())
516	{
517	uint8_t bEngine = UINT8_MAX;
518	int rc = EMR3QueryMainExecutionEngine(ptrVM.rawUVM(), &bEngine);
519	*aHWVirtExEnabled = RT_SUCCESS(rc) && bEngine == VM_EXEC_ENGINE_HW_VIRT;
520	}
521
522	return S_OK;
523	}
524
525	/**
526	* Returns the current nested paging flag.
527	*
528	* @returns COM status code
529	* @param aHWVirtExNestedPagingEnabled address of result variable
530	*/
531	HRESULT MachineDebugger::getHWVirtExNestedPagingEnabled(BOOL *aHWVirtExNestedPagingEnabled)
532	{
533	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
534
535	Console::SafeVMPtrQuiet ptrVM(mParent);
536
537	if (ptrVM.isOk())
538	*aHWVirtExNestedPagingEnabled = HMR3IsNestedPagingActive(ptrVM.rawUVM());
539	else
540	*aHWVirtExNestedPagingEnabled = false;
541
542	return S_OK;
543	}
544
545	/**
546	* Returns the current VPID flag.
547	*
548	* @returns COM status code
549	* @param aHWVirtExVPIDEnabled address of result variable
550	*/
551	HRESULT MachineDebugger::getHWVirtExVPIDEnabled(BOOL *aHWVirtExVPIDEnabled)
552	{
553	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
554
555	Console::SafeVMPtrQuiet ptrVM(mParent);
556
557	if (ptrVM.isOk())
558	*aHWVirtExVPIDEnabled = HMR3IsVpidActive(ptrVM.rawUVM());
559	else
560	*aHWVirtExVPIDEnabled = false;
561
562	return S_OK;
563	}
564
565	/**
566	* Returns the current unrestricted execution setting.
567	*
568	* @returns COM status code
569	* @param aHWVirtExUXEnabled address of result variable
570	*/
571	HRESULT MachineDebugger::getHWVirtExUXEnabled(BOOL *aHWVirtExUXEnabled)
572	{
573	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
574
575	Console::SafeVMPtrQuiet ptrVM(mParent);
576
577	if (ptrVM.isOk())
578	*aHWVirtExUXEnabled = HMR3IsUXActive(ptrVM.rawUVM());
579	else
580	*aHWVirtExUXEnabled = false;
581
582	return S_OK;
583	}
584
585	HRESULT MachineDebugger::getOSName(com::Utf8Str &aOSName)
586	{
587	LogFlowThisFunc(("\n"));
588	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
589	Console::SafeVMPtr ptrVM(mParent);
590	HRESULT hrc = ptrVM.rc();
591	if (SUCCEEDED(hrc))
592	{
593	/*
594	* Do the job and try convert the name.
595	*/
596	char szName[64];
597	int vrc = DBGFR3OSQueryNameAndVersion(ptrVM.rawUVM(), szName, sizeof(szName), NULL, 0);
598	if (RT_SUCCESS(vrc))
599	{
600	try
601	{
602	Bstr bstrName(szName);
603	aOSName = Utf8Str(bstrName);
604	}
605	catch (std::bad_alloc &)
606	{
607	hrc = E_OUTOFMEMORY;
608	}
609	}
610	else
611	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("DBGFR3OSQueryNameAndVersion failed with %Rrc"), vrc);
612	}
613	return hrc;
614	}
615
616	HRESULT MachineDebugger::getOSVersion(com::Utf8Str &aOSVersion)
617	{
618	LogFlowThisFunc(("\n"));
619	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
620	Console::SafeVMPtr ptrVM(mParent);
621	HRESULT hrc = ptrVM.rc();
622	if (SUCCEEDED(hrc))
623	{
624	/*
625	* Do the job and try convert the name.
626	*/
627	char szVersion[256];
628	int vrc = DBGFR3OSQueryNameAndVersion(ptrVM.rawUVM(), NULL, 0, szVersion, sizeof(szVersion));
629	if (RT_SUCCESS(vrc))
630	{
631	try
632	{
633	Bstr bstrVersion(szVersion);
634	aOSVersion = Utf8Str(bstrVersion);
635	}
636	catch (std::bad_alloc &)
637	{
638	hrc = E_OUTOFMEMORY;
639	}
640	}
641	else
642	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("DBGFR3OSQueryNameAndVersion failed with %Rrc"), vrc);
643	}
644	return hrc;
645	}
646
647	/**
648	* Returns the current PAE flag.
649	*
650	* @returns COM status code
651	* @param aPAEEnabled address of result variable.
652	*/
653	HRESULT MachineDebugger::getPAEEnabled(BOOL *aPAEEnabled)
654	{
655	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
656
657	Console::SafeVMPtrQuiet ptrVM(mParent);
658
659	if (ptrVM.isOk())
660	{
661	uint32_t cr4;
662	int rc = DBGFR3RegCpuQueryU32(ptrVM.rawUVM(), 0 /idCpu/, DBGFREG_CR4, &cr4); AssertRC(rc);
663	*aPAEEnabled = RT_BOOL(cr4 & X86_CR4_PAE);
664	}
665	else
666	*aPAEEnabled = false;
667
668	return S_OK;
669	}
670
671	/**
672	* Returns the current virtual time rate.
673	*
674	* @returns COM status code.
675	* @param aVirtualTimeRate Where to store the rate.
676	*/
677	HRESULT MachineDebugger::getVirtualTimeRate(ULONG *aVirtualTimeRate)
678	{
679	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
680
681	Console::SafeVMPtr ptrVM(mParent);
682	HRESULT hrc = ptrVM.rc();
683	if (SUCCEEDED(hrc))
684	*aVirtualTimeRate = TMR3GetWarpDrive(ptrVM.rawUVM());
685
686	return hrc;
687	}
688
689	/**
690	* Set the virtual time rate.
691	*
692	* @returns COM status code.
693	* @param aVirtualTimeRate The new rate.
694	*/
695	HRESULT MachineDebugger::setVirtualTimeRate(ULONG aVirtualTimeRate)
696	{
697	HRESULT hrc = S_OK;
698
699	if (aVirtualTimeRate < 2 \|\| aVirtualTimeRate > 20000)
700	return setError(E_INVALIDARG, tr("%u is out of range [2..20000]"), aVirtualTimeRate);
701
702	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
703	if (i_queueSettings())
704	mVirtualTimeRateQueued = aVirtualTimeRate;
705	else
706	{
707	Console::SafeVMPtr ptrVM(mParent);
708	hrc = ptrVM.rc();
709	if (SUCCEEDED(hrc))
710	{
711	int vrc = TMR3SetWarpDrive(ptrVM.rawUVM(), aVirtualTimeRate);
712	if (RT_FAILURE(vrc))
713	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("TMR3SetWarpDrive(, %u) failed with rc=%Rrc"), aVirtualTimeRate, vrc);
714	}
715	}
716
717	return hrc;
718	}
719
720	/**
721	* Hack for getting the user mode VM handle (UVM).
722	*
723	* This is only temporary (promise) while prototyping the debugger.
724	*
725	* @returns COM status code
726	* @param aVM Where to store the vm handle. Since there is no
727	* uintptr_t in COM, we're using the max integer.
728	* (No, ULONG is not pointer sized!)
729	* @remarks The returned handle must be passed to VMR3ReleaseUVM()!
730	* @remarks Prior to 4.3 this returned PVM.
731	*/
732	HRESULT MachineDebugger::getVM(LONG64 *aVM)
733	{
734	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
735
736	Console::SafeVMPtr ptrVM(mParent);
737	HRESULT hrc = ptrVM.rc();
738	if (SUCCEEDED(hrc))
739	{
740	VMR3RetainUVM(ptrVM.rawUVM());
741	*aVM = (intptr_t)ptrVM.rawUVM();
742	}
743
744	/*
745	* Note! ptrVM protection provided by SafeVMPtr is no long effective
746	* after we return from this method.
747	*/
748	return hrc;
749	}
750
751	/**
752	* Get the VM uptime in milliseconds.
753	*
754	* @returns COM status code
755	* @param aUptime Where to store the uptime.
756	*/
757	HRESULT MachineDebugger::getUptime(LONG64 *aUptime)
758	{
759	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
760
761	Console::SafeVMPtr ptrVM(mParent);
762	HRESULT hrc = ptrVM.rc();
763	if (SUCCEEDED(hrc))
764	*aUptime = (int64_t)TMR3TimeVirtGetMilli(ptrVM.rawUVM());
765
766	return hrc;
767	}
768
769	// IMachineDebugger methods
770	/////////////////////////////////////////////////////////////////////////////
771
772	HRESULT MachineDebugger::dumpGuestCore(const com::Utf8Str &aFilename, const com::Utf8Str &aCompression)
773	{
774	if (aCompression.length())
775	return setError(E_INVALIDARG, tr("The compression parameter must be empty"));
776
777	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
778	Console::SafeVMPtr ptrVM(mParent);
779	HRESULT hrc = ptrVM.rc();
780	if (SUCCEEDED(hrc))
781	{
782	int vrc = DBGFR3CoreWrite(ptrVM.rawUVM(), aFilename.c_str(), false /fReplaceFile/);
783	if (RT_SUCCESS(vrc))
784	hrc = S_OK;
785	else
786	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3CoreWrite failed with %Rrc"), vrc);
787	}
788
789	return hrc;
790	}
791
792	HRESULT MachineDebugger::dumpHostProcessCore(const com::Utf8Str &aFilename, const com::Utf8Str &aCompression)
793	{
794	RT_NOREF(aFilename, aCompression);
795	ReturnComNotImplemented();
796	}
797
798	/**
799	* Debug info string buffer formatter.
800	*/
801	typedef struct MACHINEDEBUGGERINOFHLP
802	{
803	/** The core info helper structure. */
804	DBGFINFOHLP Core;
805	/** Pointer to the buffer. */
806	char *pszBuf;
807	/** The size of the buffer. */
808	size_t cbBuf;
809	/** The offset into the buffer */
810	size_t offBuf;
811	/** Indicates an out-of-memory condition. */
812	bool fOutOfMemory;
813	} MACHINEDEBUGGERINOFHLP;
814	/** Pointer to a Debug info string buffer formatter. */
815	typedef MACHINEDEBUGGERINOFHLP *PMACHINEDEBUGGERINOFHLP;
816
817
818	/**
819	* @callback_method_impl{FNRTSTROUTPUT}
820	*/
821	static DECLCALLBACK(size_t) MachineDebuggerInfoOutput(void pvArg, const char pachChars, size_t cbChars)
822	{
823	PMACHINEDEBUGGERINOFHLP pHlp = (PMACHINEDEBUGGERINOFHLP)pvArg;
824
825	/*
826	* Grow the buffer if required.
827	*/
828	size_t const cbRequired = cbChars + pHlp->offBuf + 1;
829	if (cbRequired > pHlp->cbBuf)
830	{
831	if (RT_UNLIKELY(pHlp->fOutOfMemory))
832	return 0;
833
834	size_t cbBufNew = pHlp->cbBuf * 2;
835	if (cbRequired > cbBufNew)
836	cbBufNew = RT_ALIGN_Z(cbRequired, 256);
837	void *pvBufNew = RTMemRealloc(pHlp->pszBuf, cbBufNew);
838	if (RT_UNLIKELY(!pvBufNew))
839	{
840	pHlp->fOutOfMemory = true;
841	RTMemFree(pHlp->pszBuf);
842	pHlp->pszBuf = NULL;
843	pHlp->cbBuf = 0;
844	pHlp->offBuf = 0;
845	return 0;
846	}
847
848	pHlp->pszBuf = (char *)pvBufNew;
849	pHlp->cbBuf = cbBufNew;
850	}
851
852	/*
853	* Copy the bytes into the buffer and terminate it.
854	*/
855	if (cbChars)
856	{
857	memcpy(&pHlp->pszBuf[pHlp->offBuf], pachChars, cbChars);
858	pHlp->offBuf += cbChars;
859	}
860	pHlp->pszBuf[pHlp->offBuf] = '\0';
861	Assert(pHlp->offBuf < pHlp->cbBuf);
862	return cbChars;
863	}
864
865	/**
866	* @interface_method_impl{DBGFINFOHLP,pfnPrintfV}
867	*/
868	static DECLCALLBACK(void) MachineDebuggerInfoPrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
869	{
870	RTStrFormatV(MachineDebuggerInfoOutput, (void *)pHlp, NULL, NULL, pszFormat, args);
871	}
872
873	/**
874	* @interface_method_impl{DBGFINFOHLP,pfnPrintf}
875	*/
876	static DECLCALLBACK(void) MachineDebuggerInfoPrintf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
877	{
878	va_list va;
879	va_start(va, pszFormat);
880	MachineDebuggerInfoPrintfV(pHlp, pszFormat, va);
881	va_end(va);
882	}
883
884	/**
885	* Initializes the debug info string buffer formatter
886	*
887	* @param pHlp The help structure to init.
888	*/
889	static void MachineDebuggerInfoInit(PMACHINEDEBUGGERINOFHLP pHlp)
890	{
891	pHlp->Core.pfnPrintf = MachineDebuggerInfoPrintf;
892	pHlp->Core.pfnPrintfV = MachineDebuggerInfoPrintfV;
893	pHlp->pszBuf = NULL;
894	pHlp->cbBuf = 0;
895	pHlp->offBuf = 0;
896	pHlp->fOutOfMemory = false;
897	}
898
899	/**
900	* Deletes the debug info string buffer formatter.
901	* @param pHlp The helper structure to delete.
902	*/
903	static void MachineDebuggerInfoDelete(PMACHINEDEBUGGERINOFHLP pHlp)
904	{
905	RTMemFree(pHlp->pszBuf);
906	pHlp->pszBuf = NULL;
907	}
908
909	HRESULT MachineDebugger::info(const com::Utf8Str &aName, const com::Utf8Str &aArgs, com::Utf8Str &aInfo)
910	{
911	LogFlowThisFunc(("\n"));
912
913	/*
914	* Do the autocaller and lock bits.
915	*/
916	AutoCaller autoCaller(this);
917	HRESULT hrc = autoCaller.rc();
918	if (SUCCEEDED(hrc))
919	{
920	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
921	Console::SafeVMPtr ptrVM(mParent);
922	hrc = ptrVM.rc();
923	if (SUCCEEDED(hrc))
924	{
925	/*
926	* Create a helper and call DBGFR3Info.
927	*/
928	MACHINEDEBUGGERINOFHLP Hlp;
929	MachineDebuggerInfoInit(&Hlp);
930	int vrc = DBGFR3Info(ptrVM.rawUVM(), aName.c_str(), aArgs.c_str(), &Hlp.Core);
931	if (RT_SUCCESS(vrc))
932	{
933	if (!Hlp.fOutOfMemory)
934	{
935	/*
936	* Convert the info string, watching out for allocation errors.
937	*/
938	try
939	{
940	Bstr bstrInfo(Hlp.pszBuf);
941	aInfo = bstrInfo;
942	}
943	catch (std::bad_alloc &)
944	{
945	hrc = E_OUTOFMEMORY;
946	}
947	}
948	else
949	hrc = E_OUTOFMEMORY;
950	}
951	else
952	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("DBGFR3Info failed with %Rrc"), vrc);
953	MachineDebuggerInfoDelete(&Hlp);
954	}
955	}
956	return hrc;
957	}
958
959	HRESULT MachineDebugger::injectNMI()
960	{
961	LogFlowThisFunc(("\n"));
962
963	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
964	Console::SafeVMPtr ptrVM(mParent);
965	HRESULT hrc = ptrVM.rc();
966	if (SUCCEEDED(hrc))
967	{
968	int vrc = DBGFR3InjectNMI(ptrVM.rawUVM(), 0);
969	if (RT_SUCCESS(vrc))
970	hrc = S_OK;
971	else
972	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3InjectNMI failed with %Rrc"), vrc);
973	}
974	return hrc;
975	}
976
977	HRESULT MachineDebugger::modifyLogFlags(const com::Utf8Str &aSettings)
978	{
979	LogFlowThisFunc(("aSettings=%s\n", aSettings.c_str()));
980	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
981	Console::SafeVMPtr ptrVM(mParent);
982	HRESULT hrc = ptrVM.rc();
983	if (SUCCEEDED(hrc))
984	{
985	int vrc = DBGFR3LogModifyFlags(ptrVM.rawUVM(), aSettings.c_str());
986	if (RT_SUCCESS(vrc))
987	hrc = S_OK;
988	else
989	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3LogModifyFlags failed with %Rrc"), vrc);
990	}
991	return hrc;
992	}
993
994	HRESULT MachineDebugger::modifyLogGroups(const com::Utf8Str &aSettings)
995	{
996	LogFlowThisFunc(("aSettings=%s\n", aSettings.c_str()));
997	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
998	Console::SafeVMPtr ptrVM(mParent);
999	HRESULT hrc = ptrVM.rc();
1000	if (SUCCEEDED(hrc))
1001	{
1002	int vrc = DBGFR3LogModifyGroups(ptrVM.rawUVM(), aSettings.c_str());
1003	if (RT_SUCCESS(vrc))
1004	hrc = S_OK;
1005	else
1006	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3LogModifyGroups failed with %Rrc"), vrc);
1007	}
1008	return hrc;
1009	}
1010
1011	HRESULT MachineDebugger::modifyLogDestinations(const com::Utf8Str &aSettings)
1012	{
1013	LogFlowThisFunc(("aSettings=%s\n", aSettings.c_str()));
1014	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1015	Console::SafeVMPtr ptrVM(mParent);
1016	HRESULT hrc = ptrVM.rc();
1017	if (SUCCEEDED(hrc))
1018	{
1019	int vrc = DBGFR3LogModifyDestinations(ptrVM.rawUVM(), aSettings.c_str());
1020	if (RT_SUCCESS(vrc))
1021	hrc = S_OK;
1022	else
1023	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3LogModifyDestinations failed with %Rrc"), vrc);
1024	}
1025	return hrc;
1026	}
1027
1028	HRESULT MachineDebugger::readPhysicalMemory(LONG64 aAddress, ULONG aSize, std::vector<BYTE> &aBytes)
1029	{
1030	RT_NOREF(aAddress, aSize, aBytes);
1031	ReturnComNotImplemented();
1032	}
1033
1034	HRESULT MachineDebugger::writePhysicalMemory(LONG64 aAddress, ULONG aSize, const std::vector<BYTE> &aBytes)
1035	{
1036	RT_NOREF(aAddress, aSize, aBytes);
1037	ReturnComNotImplemented();
1038	}
1039
1040	HRESULT MachineDebugger::readVirtualMemory(ULONG aCpuId, LONG64 aAddress, ULONG aSize, std::vector<BYTE> &aBytes)
1041	{
1042	RT_NOREF(aCpuId, aAddress, aSize, aBytes);
1043	ReturnComNotImplemented();
1044	}
1045
1046	HRESULT MachineDebugger::writeVirtualMemory(ULONG aCpuId, LONG64 aAddress, ULONG aSize, const std::vector<BYTE> &aBytes)
1047	{
1048	RT_NOREF(aCpuId, aAddress, aSize, aBytes);
1049	ReturnComNotImplemented();
1050	}
1051
1052	HRESULT MachineDebugger::loadPlugIn(const com::Utf8Str &aName, com::Utf8Str &aPlugInName)
1053	{
1054	/*
1055	* Lock the debugger and get the VM pointer
1056	*/
1057	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1058	Console::SafeVMPtr ptrVM(mParent);
1059	HRESULT hrc = ptrVM.rc();
1060	if (SUCCEEDED(hrc))
1061	{
1062	/*
1063	* Do the job and try convert the name.
1064	*/
1065	if (aName.equals("all"))
1066	{
1067	DBGFR3PlugInLoadAll(ptrVM.rawUVM());
1068	try
1069	{
1070	aPlugInName = "all";
1071	hrc = S_OK;
1072	}
1073	catch (std::bad_alloc &)
1074	{
1075	hrc = E_OUTOFMEMORY;
1076	}
1077	}
1078	else
1079	{
1080	RTERRINFOSTATIC ErrInfo;
1081	char szName[80];
1082	int vrc = DBGFR3PlugInLoad(ptrVM.rawUVM(), aName.c_str(), szName, sizeof(szName), RTErrInfoInitStatic(&ErrInfo));
1083	if (RT_SUCCESS(vrc))
1084	{
1085	try
1086	{
1087	aPlugInName = szName;
1088	hrc = S_OK;
1089	}
1090	catch (std::bad_alloc &)
1091	{
1092	hrc = E_OUTOFMEMORY;
1093	}
1094	}
1095	else
1096	hrc = setErrorVrc(vrc, "%s", ErrInfo.szMsg);
1097	}
1098	}
1099	return hrc;
1100
1101	}
1102
1103	HRESULT MachineDebugger::unloadPlugIn(const com::Utf8Str &aName)
1104	{
1105	/*
1106	* Lock the debugger and get the VM pointer
1107	*/
1108	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1109	Console::SafeVMPtr ptrVM(mParent);
1110	HRESULT hrc = ptrVM.rc();
1111	if (SUCCEEDED(hrc))
1112	{
1113	/*
1114	* Do the job and try convert the name.
1115	*/
1116	if (aName.equals("all"))
1117	{
1118	DBGFR3PlugInUnloadAll(ptrVM.rawUVM());
1119	hrc = S_OK;
1120	}
1121	else
1122	{
1123	int vrc = DBGFR3PlugInUnload(ptrVM.rawUVM(), aName.c_str());
1124	if (RT_SUCCESS(vrc))
1125	hrc = S_OK;
1126	else if (vrc == VERR_NOT_FOUND)
1127	hrc = setErrorBoth(E_FAIL, vrc, "Plug-in '%s' was not found", aName.c_str());
1128	else
1129	hrc = setErrorVrc(vrc, "Error unloading '%s': %Rrc", aName.c_str(), vrc);
1130	}
1131	}
1132	return hrc;
1133
1134	}
1135
1136	HRESULT MachineDebugger::detectOS(com::Utf8Str &aOs)
1137	{
1138	LogFlowThisFunc(("\n"));
1139
1140	/*
1141	* Lock the debugger and get the VM pointer
1142	*/
1143	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1144	Console::SafeVMPtr ptrVM(mParent);
1145	HRESULT hrc = ptrVM.rc();
1146	if (SUCCEEDED(hrc))
1147	{
1148	/*
1149	* Do the job.
1150	*/
1151	char szName[64];
1152	int vrc = DBGFR3OSDetect(ptrVM.rawUVM(), szName, sizeof(szName));
1153	if (RT_SUCCESS(vrc) && vrc != VINF_DBGF_OS_NOT_DETCTED)
1154	{
1155	try
1156	{
1157	aOs = szName;
1158	}
1159	catch (std::bad_alloc &)
1160	{
1161	hrc = E_OUTOFMEMORY;
1162	}
1163	}
1164	else
1165	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc, tr("DBGFR3OSDetect failed with %Rrc"), vrc);
1166	}
1167	return hrc;
1168	}
1169
1170	HRESULT MachineDebugger::queryOSKernelLog(ULONG aMaxMessages, com::Utf8Str &aDmesg)
1171	{
1172	/*
1173	* Lock the debugger and get the VM pointer
1174	*/
1175	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1176	Console::SafeVMPtr ptrVM(mParent);
1177	HRESULT hrc = ptrVM.rc();
1178	if (SUCCEEDED(hrc))
1179	{
1180	PDBGFOSIDMESG pDmesg = (PDBGFOSIDMESG)DBGFR3OSQueryInterface(ptrVM.rawUVM(), DBGFOSINTERFACE_DMESG);
1181	if (pDmesg)
1182	{
1183	size_t cbActual;
1184	size_t cbBuf = _512K;
1185	int vrc = aDmesg.reserveNoThrow(cbBuf);
1186	if (RT_SUCCESS(vrc))
1187	{
1188	uint32_t cMessages = aMaxMessages == 0 ? UINT32_MAX : aMaxMessages;
1189	vrc = pDmesg->pfnQueryKernelLog(pDmesg, ptrVM.rawUVM(), 0 /fFlags/, cMessages,
1190	aDmesg.mutableRaw(), cbBuf, &cbActual);
1191
1192	uint32_t cTries = 10;
1193	while (vrc == VERR_BUFFER_OVERFLOW && cbBuf < 16*_1M && cTries-- > 0)
1194	{
1195	cbBuf = RT_ALIGN_Z(cbActual + _4K, _4K);
1196	vrc = aDmesg.reserveNoThrow(cbBuf);
1197	if (RT_SUCCESS(vrc))
1198	vrc = pDmesg->pfnQueryKernelLog(pDmesg, ptrVM.rawUVM(), 0 /fFlags/, cMessages,
1199	aDmesg.mutableRaw(), cbBuf, &cbActual);
1200	}
1201	if (RT_SUCCESS(vrc))
1202	aDmesg.jolt();
1203	else if (vrc == VERR_BUFFER_OVERFLOW)
1204	hrc = setError(E_FAIL, "Too much log available, must use the maxMessages parameter to restrict.");
1205	else
1206	hrc = setErrorVrc(vrc);
1207	}
1208	else
1209	hrc = setErrorBoth(E_OUTOFMEMORY, vrc);
1210	}
1211	else
1212	hrc = setError(E_FAIL, "The dmesg interface isn't implemented by guest OS digger, or detectOS() has not been called.");
1213	}
1214	return hrc;
1215	}
1216
1217	/**
1218	* Formats a register value.
1219	*
1220	* This is used by both register getter methods.
1221	*
1222	* @returns
1223	* @param a_pbstr The output Bstr variable.
1224	* @param a_pValue The value to format.
1225	* @param a_enmType The type of the value.
1226	*/
1227	DECLINLINE(HRESULT) formatRegisterValue(Bstr *a_pbstr, PCDBGFREGVAL a_pValue, DBGFREGVALTYPE a_enmType)
1228	{
1229	char szHex[160];
1230	ssize_t cch = DBGFR3RegFormatValue(szHex, sizeof(szHex), a_pValue, a_enmType, true /fSpecial/);
1231	if (RT_UNLIKELY(cch <= 0))
1232	return E_UNEXPECTED;
1233	*a_pbstr = szHex;
1234	return S_OK;
1235	}
1236
1237	HRESULT MachineDebugger::getRegister(ULONG aCpuId, const com::Utf8Str &aName, com::Utf8Str &aValue)
1238	{
1239	/*
1240	* The prologue.
1241	*/
1242	LogFlowThisFunc(("\n"));
1243	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1244	Console::SafeVMPtr ptrVM(mParent);
1245	HRESULT hrc = ptrVM.rc();
1246	if (SUCCEEDED(hrc))
1247	{
1248	/*
1249	* Real work.
1250	*/
1251	DBGFREGVAL Value;
1252	DBGFREGVALTYPE enmType;
1253	int vrc = DBGFR3RegNmQuery(ptrVM.rawUVM(), aCpuId, aName.c_str(), &Value, &enmType);
1254	if (RT_SUCCESS(vrc))
1255	{
1256	try
1257	{
1258	Bstr bstrValue;
1259	hrc = formatRegisterValue(&bstrValue, &Value, enmType);
1260	if (SUCCEEDED(hrc))
1261	aValue = Utf8Str(bstrValue);
1262	}
1263	catch (std::bad_alloc &)
1264	{
1265	hrc = E_OUTOFMEMORY;
1266	}
1267	}
1268	else if (vrc == VERR_DBGF_REGISTER_NOT_FOUND)
1269	hrc = setErrorBoth(E_FAIL, vrc, tr("Register '%s' was not found"), aName.c_str());
1270	else if (vrc == VERR_INVALID_CPU_ID)
1271	hrc = setErrorBoth(E_FAIL, vrc, tr("Invalid CPU ID: %u"), aCpuId);
1272	else
1273	hrc = setErrorBoth(VBOX_E_VM_ERROR, vrc,
1274	tr("DBGFR3RegNmQuery failed with rc=%Rrc querying register '%s' with default cpu set to %u"),
1275	vrc, aName.c_str(), aCpuId);
1276	}
1277
1278	return hrc;
1279	}
1280
1281	HRESULT MachineDebugger::getRegisters(ULONG aCpuId, std::vector<com::Utf8Str> &aNames, std::vector<com::Utf8Str> &aValues)
1282	{
1283	RT_NOREF(aCpuId); /** @todo fix missing aCpuId usage! */
1284
1285	/*
1286	* The prologue.
1287	*/
1288	LogFlowThisFunc(("\n"));
1289	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1290	Console::SafeVMPtr ptrVM(mParent);
1291	HRESULT hrc = ptrVM.rc();
1292	if (SUCCEEDED(hrc))
1293	{
1294	/*
1295	* Real work.
1296	*/
1297	size_t cRegs;
1298	int vrc = DBGFR3RegNmQueryAllCount(ptrVM.rawUVM(), &cRegs);
1299	if (RT_SUCCESS(vrc))
1300	{
1301	PDBGFREGENTRYNM paRegs = (PDBGFREGENTRYNM)RTMemAllocZ(sizeof(paRegs[0]) * cRegs);
1302	if (paRegs)
1303	{
1304	vrc = DBGFR3RegNmQueryAll(ptrVM.rawUVM(), paRegs, cRegs);
1305	if (RT_SUCCESS(vrc))
1306	{
1307	try
1308	{
1309	aValues.resize(cRegs);
1310	aNames.resize(cRegs);
1311	for (uint32_t iReg = 0; iReg < cRegs; iReg++)
1312	{
1313	char szHex[160];
1314	szHex[159] = szHex[0] = '\0';
1315	ssize_t cch = DBGFR3RegFormatValue(szHex, sizeof(szHex), &paRegs[iReg].Val,
1316	paRegs[iReg].enmType, true /fSpecial/);
1317	Assert(cch > 0); NOREF(cch);
1318	aNames[iReg] = Utf8Str(paRegs[iReg].pszName);
1319	aValues[iReg] = Utf8Str(szHex);
1320	}
1321	}
1322	catch (std::bad_alloc &)
1323	{
1324	hrc = E_OUTOFMEMORY;
1325	}
1326	}
1327	else
1328	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3RegNmQueryAll failed with %Rrc"), vrc);
1329
1330	RTMemFree(paRegs);
1331	}
1332	else
1333	hrc = E_OUTOFMEMORY;
1334	}
1335	else
1336	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3RegNmQueryAllCount failed with %Rrc"), vrc);
1337	}
1338	return hrc;
1339	}
1340
1341	HRESULT MachineDebugger::setRegister(ULONG aCpuId, const com::Utf8Str &aName, const com::Utf8Str &aValue)
1342	{
1343	RT_NOREF(aCpuId, aName, aValue);
1344	ReturnComNotImplemented();
1345	}
1346
1347	HRESULT MachineDebugger::setRegisters(ULONG aCpuId, const std::vector<com::Utf8Str> &aNames,
1348	const std::vector<com::Utf8Str> &aValues)
1349	{
1350	RT_NOREF(aCpuId, aNames, aValues);
1351	ReturnComNotImplemented();
1352	}
1353
1354	HRESULT MachineDebugger::dumpGuestStack(ULONG aCpuId, com::Utf8Str &aStack)
1355	{
1356	/*
1357	* The prologue.
1358	*/
1359	LogFlowThisFunc(("\n"));
1360	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1361	Console::SafeVMPtr ptrVM(mParent);
1362	HRESULT hrc = ptrVM.rc();
1363	if (SUCCEEDED(hrc))
1364	{
1365	/*
1366	* There is currently a problem with the windows diggers and SMP, where
1367	* guest driver memory is being read from CPU zero in order to ensure that
1368	* we've got a consisten virtual memory view. If one of the other CPUs
1369	* initiates a rendezvous while we're unwinding the stack and trying to
1370	* read guest driver memory, we will deadlock.
1371	*
1372	* So, check the VM state and maybe suspend the VM before we continue.
1373	*/
1374	int vrc = VINF_SUCCESS;
1375	bool fPaused = false;
1376	if (aCpuId != 0)
1377	{
1378	VMSTATE enmVmState = VMR3GetStateU(ptrVM.rawUVM());
1379	if ( enmVmState == VMSTATE_RUNNING
1380	\|\| enmVmState == VMSTATE_RUNNING_LS
1381	\|\| enmVmState == VMSTATE_RUNNING_FT)
1382	{
1383	alock.release();
1384	vrc = VMR3Suspend(ptrVM.rawUVM(), VMSUSPENDREASON_USER);
1385	alock.acquire();
1386	fPaused = RT_SUCCESS(vrc);
1387	}
1388	}
1389	if (RT_SUCCESS(vrc))
1390	{
1391	PCDBGFSTACKFRAME pFirstFrame;
1392	vrc = DBGFR3StackWalkBegin(ptrVM.rawUVM(), aCpuId, DBGFCODETYPE_GUEST, &pFirstFrame);
1393	if (RT_SUCCESS(vrc))
1394	{
1395	/*
1396	* Print header.
1397	*/
1398	try
1399	{
1400	uint32_t fBitFlags = 0;
1401	for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
1402	pFrame;
1403	pFrame = DBGFR3StackWalkNext(pFrame))
1404	{
1405	uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT \| DBGFSTACKFRAME_FLAGS_32BIT \| DBGFSTACKFRAME_FLAGS_64BIT);
1406	if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
1407	{
1408	if (fCurBitFlags != fBitFlags)
1409	aStack.append("SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
1410	aStack.append(Utf8StrFmt("%04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
1411	pFrame->AddrFrame.Sel,
1412	(uint16_t)pFrame->AddrFrame.off,
1413	pFrame->AddrReturnFrame.Sel,
1414	(uint16_t)pFrame->AddrReturnFrame.off,
1415	(uint32_t)pFrame->AddrReturnPC.Sel,
1416	(uint32_t)pFrame->AddrReturnPC.off,
1417	pFrame->Args.au32[0],
1418	pFrame->Args.au32[1],
1419	pFrame->Args.au32[2],
1420	pFrame->Args.au32[3]));
1421	}
1422	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
1423	{
1424	if (fCurBitFlags != fBitFlags)
1425	aStack.append("EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
1426	aStack.append(Utf8StrFmt("%08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
1427	(uint32_t)pFrame->AddrFrame.off,
1428	(uint32_t)pFrame->AddrReturnFrame.off,
1429	(uint32_t)pFrame->AddrReturnPC.Sel,
1430	(uint32_t)pFrame->AddrReturnPC.off,
1431	pFrame->Args.au32[0],
1432	pFrame->Args.au32[1],
1433	pFrame->Args.au32[2],
1434	pFrame->Args.au32[3]));
1435	}
1436	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
1437	{
1438	if (fCurBitFlags != fBitFlags)
1439	aStack.append("RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
1440	aStack.append(Utf8StrFmt("%016RX64 %04RX16:%016RX64 %016RX64",
1441	(uint64_t)pFrame->AddrFrame.off,
1442	pFrame->AddrReturnFrame.Sel,
1443	(uint64_t)pFrame->AddrReturnFrame.off,
1444	(uint64_t)pFrame->AddrReturnPC.off));
1445	}
1446
1447	if (!pFrame->pSymPC)
1448	aStack.append(Utf8StrFmt(fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
1449	? " %RTsel:%016RGv"
1450	: fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
1451	? " %RTsel:%08RGv"
1452	: " %RTsel:%04RGv"
1453	, pFrame->AddrPC.Sel, pFrame->AddrPC.off));
1454	else
1455	{
1456	RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
1457	if (offDisp > 0)
1458	aStack.append(Utf8StrFmt(" %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp));
1459	else if (offDisp < 0)
1460	aStack.append(Utf8StrFmt(" %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp));
1461	else
1462	aStack.append(Utf8StrFmt(" %s", pFrame->pSymPC->szName));
1463	}
1464	if (pFrame->pLinePC)
1465	aStack.append(Utf8StrFmt(" [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo));
1466	aStack.append(Utf8StrFmt("\n"));
1467
1468	fBitFlags = fCurBitFlags;
1469	}
1470	}
1471	catch (std::bad_alloc &)
1472	{
1473	hrc = E_OUTOFMEMORY;
1474	}
1475
1476	DBGFR3StackWalkEnd(pFirstFrame);
1477	}
1478	else
1479	hrc = setErrorBoth(E_FAIL, vrc, tr("DBGFR3StackWalkBegin failed with %Rrc"), vrc);
1480
1481	/*
1482	* Resume the VM if we suspended it.
1483	*/
1484	if (fPaused)
1485	{
1486	alock.release();
1487	VMR3Resume(ptrVM.rawUVM(), VMRESUMEREASON_USER);
1488	}
1489	}
1490	else
1491	hrc = setErrorBoth(E_FAIL, vrc, tr("Suspending the VM failed with %Rrc\n"), vrc);
1492	}
1493
1494	return hrc;
1495	}
1496
1497	/**
1498	* Resets VM statistics.
1499	*
1500	* @returns COM status code.
1501	* @param aPattern The selection pattern. A bit similar to filename globbing.
1502	*/
1503	HRESULT MachineDebugger::resetStats(const com::Utf8Str &aPattern)
1504	{
1505	Console::SafeVMPtrQuiet ptrVM(mParent);
1506
1507	if (!ptrVM.isOk())
1508	return setError(VBOX_E_INVALID_VM_STATE, "Machine is not running");
1509
1510	STAMR3Reset(ptrVM.rawUVM(), aPattern.c_str());
1511
1512	return S_OK;
1513	}
1514
1515	/**
1516	* Dumps VM statistics to the log.
1517	*
1518	* @returns COM status code.
1519	* @param aPattern The selection pattern. A bit similar to filename globbing.
1520	*/
1521	HRESULT MachineDebugger::dumpStats(const com::Utf8Str &aPattern)
1522	{
1523	Console::SafeVMPtrQuiet ptrVM(mParent);
1524
1525	if (!ptrVM.isOk())
1526	return setError(VBOX_E_INVALID_VM_STATE, "Machine is not running");
1527
1528	STAMR3Dump(ptrVM.rawUVM(), aPattern.c_str());
1529
1530	return S_OK;
1531	}
1532
1533	/**
1534	* Get the VM statistics in an XML format.
1535	*
1536	* @returns COM status code.
1537	* @param aPattern The selection pattern. A bit similar to filename globbing.
1538	* @param aWithDescriptions Whether to include the descriptions.
1539	* @param aStats The XML document containing the statistics.
1540	*/
1541	HRESULT MachineDebugger::getStats(const com::Utf8Str &aPattern, BOOL aWithDescriptions, com::Utf8Str &aStats)
1542	{
1543	Console::SafeVMPtrQuiet ptrVM(mParent);
1544
1545	if (!ptrVM.isOk())
1546	return setError(VBOX_E_INVALID_VM_STATE, "Machine is not running");
1547
1548	char *pszSnapshot;
1549	int vrc = STAMR3Snapshot(ptrVM.rawUVM(), aPattern.c_str(), &pszSnapshot, NULL,
1550	!!aWithDescriptions);
1551	if (RT_FAILURE(vrc))
1552	return vrc == VERR_NO_MEMORY ? E_OUTOFMEMORY : E_FAIL;
1553
1554	/** @todo this is horribly inefficient! And it's kinda difficult to tell whether it failed...
1555	* Must use UTF-8 or ASCII here and completely avoid these two extra copy operations.
1556	* Until that's done, this method is kind of useless for debugger statistics GUI because
1557	* of the amount statistics in a debug build. */
1558	aStats = Utf8Str(pszSnapshot);
1559	STAMR3SnapshotFree(ptrVM.rawUVM(), pszSnapshot);
1560
1561	return S_OK;
1562	}
1563
1564
1565	// public methods only for internal purposes
1566	/////////////////////////////////////////////////////////////////////////////
1567
1568	void MachineDebugger::i_flushQueuedSettings()
1569	{
1570	mFlushMode = true;
1571	if (mSingleStepQueued != -1)
1572	{
1573	COMSETTER(SingleStep)(mSingleStepQueued);
1574	mSingleStepQueued = -1;
1575	}
1576	for (unsigned i = 0; i < EMEXECPOLICY_END; i++)
1577	if (maiQueuedEmExecPolicyParams[i] != UINT8_MAX)
1578	{
1579	i_setEmExecPolicyProperty((EMEXECPOLICY)i, RT_BOOL(maiQueuedEmExecPolicyParams[i]));
1580	maiQueuedEmExecPolicyParams[i] = UINT8_MAX;
1581	}
1582	if (mPatmEnabledQueued != -1)
1583	{
1584	COMSETTER(PATMEnabled)(mPatmEnabledQueued);
1585	mPatmEnabledQueued = -1;
1586	}
1587	if (mCsamEnabledQueued != -1)
1588	{
1589	COMSETTER(CSAMEnabled)(mCsamEnabledQueued);
1590	mCsamEnabledQueued = -1;
1591	}
1592	if (mLogEnabledQueued != -1)
1593	{
1594	COMSETTER(LogEnabled)(mLogEnabledQueued);
1595	mLogEnabledQueued = -1;
1596	}
1597	if (mVirtualTimeRateQueued != UINT32_MAX)
1598	{
1599	COMSETTER(VirtualTimeRate)(mVirtualTimeRateQueued);
1600	mVirtualTimeRateQueued = UINT32_MAX;
1601	}
1602	mFlushMode = false;
1603	}
1604
1605	// private methods
1606	/////////////////////////////////////////////////////////////////////////////
1607
1608	bool MachineDebugger::i_queueSettings() const
1609	{
1610	if (!mFlushMode)
1611	{
1612	// check if the machine is running
1613	MachineState_T machineState;
1614	mParent->COMGETTER(State)(&machineState);
1615	switch (machineState)
1616	{
1617	// queue the request
1618	default:
1619	return true;
1620
1621	case MachineState_Running:
1622	case MachineState_Paused:
1623	case MachineState_Stuck:
1624	case MachineState_LiveSnapshotting:
1625	case MachineState_Teleporting:
1626	break;
1627	}
1628	}
1629	return false;
1630	}
1631	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/src-client/MachineDebuggerImpl.cpp@ 80008

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