DBGCCmdHlp.cpp@ 93552

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1	/* $Id: DBGCCmdHlp.cpp 93115 2022-01-01 11:31:46Z vboxsync $ */
2	/** @file
3	* DBGC - Debugger Console, Command Helpers.
4	*/
5
6	/*
7	* Copyright (C) 2006-2022 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_DBGC
23	#include <VBox/dbg.h>
24	#include <VBox/vmm/dbgf.h>
25	#include <VBox/vmm/pgm.h>
26	#include <VBox/param.h>
27	#include <VBox/err.h>
28	#include <VBox/log.h>
29
30	#include <iprt/assert.h>
31	#include <iprt/ctype.h>
32	#include <iprt/mem.h>
33	#include <iprt/string.h>
34
35	#include "DBGCInternal.h"
36
37
38
39	/**
40	* @interface_method_impl{DBGCCMDHLP,pfnPrintf}
41	*/
42	static DECLCALLBACK(int) dbgcHlpPrintf(PDBGCCMDHLP pCmdHlp, size_t pcbWritten, const char pszFormat, ...)
43	{
44	/*
45	* Do the formatting and output.
46	*/
47	va_list args;
48	va_start(args, pszFormat);
49	int rc = pCmdHlp->pfnPrintfV(pCmdHlp, pcbWritten, pszFormat, args);
50	va_end(args);
51
52	return rc;
53	}
54
55
56	/**
57	* Outputs a string in quotes.
58	*
59	* @returns The number of bytes formatted.
60	* @param pfnOutput Pointer to output function.
61	* @param pvArgOutput Argument for the output function.
62	* @param chQuote The quote character.
63	* @param psz The string to quote.
64	* @param cch The string length.
65	*/
66	static size_t dbgcStringOutputInQuotes(PFNRTSTROUTPUT pfnOutput, void pvArgOutput, char chQuote, const char psz, size_t cch)
67	{
68	size_t cchOutput = pfnOutput(pvArgOutput, &chQuote, 1);
69
70	while (cch > 0)
71	{
72	char pchQuote = (char )memchr(psz, chQuote, cch);
73	if (!pchQuote)
74	{
75	cchOutput += pfnOutput(pvArgOutput, psz, cch);
76	break;
77	}
78	size_t cchSub = pchQuote - psz + 1;
79	cchOutput += pfnOutput(pvArgOutput, psz, cchSub);
80	cchOutput += pfnOutput(pvArgOutput, &chQuote, 1);
81	cch -= cchSub;
82	psz += cchSub;
83	}
84
85	cchOutput += pfnOutput(pvArgOutput, &chQuote, 1);
86	return cchOutput;
87	}
88
89
90	/**
91	* Callback to format non-standard format specifiers, employed by dbgcPrintfV
92	* and others.
93	*
94	* @returns The number of bytes formatted.
95	* @param pvArg Formatter argument.
96	* @param pfnOutput Pointer to output function.
97	* @param pvArgOutput Argument for the output function.
98	* @param ppszFormat Pointer to the format string pointer. Advance this till the char
99	* after the format specifier.
100	* @param pArgs Pointer to the argument list. Use this to fetch the arguments.
101	* @param cchWidth Format Width. -1 if not specified.
102	* @param cchPrecision Format Precision. -1 if not specified.
103	* @param fFlags Flags (RTSTR_NTFS_*).
104	* @param chArgSize The argument size specifier, 'l' or 'L'.
105	*/
106	static DECLCALLBACK(size_t) dbgcStringFormatter(void pvArg, PFNRTSTROUTPUT pfnOutput, void pvArgOutput,
107	const char *ppszFormat, va_list pArgs, int cchWidth,
108	int cchPrecision, unsigned fFlags, char chArgSize)
109	{
110	NOREF(cchWidth); NOREF(cchPrecision); NOREF(fFlags); NOREF(chArgSize); NOREF(pvArg);
111	if (**ppszFormat != 'D')
112	{
113	(*ppszFormat)++;
114	return 0;
115	}
116
117	(*ppszFormat)++;
118	switch (**ppszFormat)
119	{
120	/*
121	* Print variable without range.
122	* The argument is a const pointer to the variable.
123	*/
124	case 'V':
125	{
126	(*ppszFormat)++;
127	PCDBGCVAR pVar = va_arg(*pArgs, PCDBGCVAR);
128	switch (pVar->enmType)
129	{
130	case DBGCVAR_TYPE_GC_FLAT:
131	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%%RGv", pVar->u.GCFlat);
132	case DBGCVAR_TYPE_GC_FAR:
133	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%04x:%08x", pVar->u.GCFar.sel, pVar->u.GCFar.off);
134	case DBGCVAR_TYPE_GC_PHYS:
135	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%%%%RGp", pVar->u.GCPhys);
136	case DBGCVAR_TYPE_HC_FLAT:
137	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%#%RHv", (uintptr_t)pVar->u.pvHCFlat);
138	case DBGCVAR_TYPE_HC_PHYS:
139	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "#%%%%%RHp", pVar->u.HCPhys);
140	case DBGCVAR_TYPE_NUMBER:
141	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%llx", pVar->u.u64Number);
142	case DBGCVAR_TYPE_STRING:
143	return dbgcStringOutputInQuotes(pfnOutput, pvArgOutput, '"', pVar->u.pszString, (size_t)pVar->u64Range);
144	case DBGCVAR_TYPE_SYMBOL:
145	return dbgcStringOutputInQuotes(pfnOutput, pvArgOutput, '\'', pVar->u.pszString, (size_t)pVar->u64Range);
146
147	case DBGCVAR_TYPE_UNKNOWN:
148	default:
149	return pfnOutput(pvArgOutput, "??", 2);
150	}
151	}
152
153	/*
154	* Print variable with range.
155	* The argument is a const pointer to the variable.
156	*/
157	case 'v':
158	{
159	(*ppszFormat)++;
160	PCDBGCVAR pVar = va_arg(*pArgs, PCDBGCVAR);
161
162	char szRange[32];
163	switch (pVar->enmRangeType)
164	{
165	case DBGCVAR_RANGE_NONE:
166	szRange[0] = '\0';
167	break;
168	case DBGCVAR_RANGE_ELEMENTS:
169	RTStrPrintf(szRange, sizeof(szRange), " L %llx", pVar->u64Range);
170	break;
171	case DBGCVAR_RANGE_BYTES:
172	RTStrPrintf(szRange, sizeof(szRange), " LB %llx", pVar->u64Range);
173	break;
174	}
175
176	switch (pVar->enmType)
177	{
178	case DBGCVAR_TYPE_GC_FLAT:
179	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%%RGv%s", pVar->u.GCFlat, szRange);
180	case DBGCVAR_TYPE_GC_FAR:
181	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%04x:%08x%s", pVar->u.GCFar.sel, pVar->u.GCFar.off, szRange);
182	case DBGCVAR_TYPE_GC_PHYS:
183	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%%%%RGp%s", pVar->u.GCPhys, szRange);
184	case DBGCVAR_TYPE_HC_FLAT:
185	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%#%RHv%s", (uintptr_t)pVar->u.pvHCFlat, szRange);
186	case DBGCVAR_TYPE_HC_PHYS:
187	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "#%%%%%RHp%s", pVar->u.HCPhys, szRange);
188	case DBGCVAR_TYPE_NUMBER:
189	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%llx%s", pVar->u.u64Number, szRange);
190	case DBGCVAR_TYPE_STRING:
191	return dbgcStringOutputInQuotes(pfnOutput, pvArgOutput, '"', pVar->u.pszString, (size_t)pVar->u64Range);
192	case DBGCVAR_TYPE_SYMBOL:
193	return dbgcStringOutputInQuotes(pfnOutput, pvArgOutput, '\'', pVar->u.pszString, (size_t)pVar->u64Range);
194
195	case DBGCVAR_TYPE_UNKNOWN:
196	default:
197	return pfnOutput(pvArgOutput, "??", 2);
198	}
199	}
200
201	default:
202	AssertMsgFailed(("Invalid format type '%s'!\n", **ppszFormat));
203	return 0;
204	}
205	}
206
207
208	/**
209	* Output callback employed by dbgcHlpPrintfV.
210	*
211	* @returns number of bytes written.
212	* @param pvArg User argument.
213	* @param pachChars Pointer to an array of utf-8 characters.
214	* @param cbChars Number of bytes in the character array pointed to by pachChars.
215	*/
216	static DECLCALLBACK(size_t) dbgcFormatOutput(void pvArg, const char pachChars, size_t cbChars)
217	{
218	PDBGC pDbgc = (PDBGC)pvArg;
219	if (cbChars)
220	{
221	int rc = pDbgc->pfnOutput(pDbgc->pvOutputUser, pachChars, cbChars);
222	if (RT_SUCCESS(rc))
223	pDbgc->chLastOutput = pachChars[cbChars - 1];
224	else
225	{
226	pDbgc->rcOutput = rc;
227	cbChars = 0;
228	}
229	}
230
231	return cbChars;
232	}
233
234
235
236	/**
237	* @interface_method_impl{DBGCCMDHLP,pfnPrintfV}
238	*/
239	static DECLCALLBACK(int) dbgcHlpPrintfV(PDBGCCMDHLP pCmdHlp, size_t pcbWritten, const char pszFormat, va_list args)
240	{
241	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
242
243	/*
244	* Do the formatting and output.
245	*/
246	pDbgc->rcOutput = 0;
247	size_t cb = RTStrFormatV(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, pszFormat, args);
248
249	if (pcbWritten)
250	*pcbWritten = cb;
251
252	return pDbgc->rcOutput;
253	}
254
255
256	/**
257	* @interface_method_impl{DBGCCMDHLP,pfnStrPrintfV}
258	*/
259	static DECLCALLBACK(size_t) dbgcHlpStrPrintfV(PDBGCCMDHLP pCmdHlp, char *pszBuf, size_t cbBuf,
260	const char *pszFormat, va_list va)
261	{
262	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
263	return RTStrPrintfExV(dbgcStringFormatter, pDbgc, pszBuf, cbBuf, pszFormat, va);
264	}
265
266
267	/**
268	* @interface_method_impl{DBGCCMDHLP,pfnStrPrintf}
269	*/
270	static DECLCALLBACK(size_t) dbgcHlpStrPrintf(PDBGCCMDHLP pCmdHlp, char pszBuf, size_t cbBuf, const char pszFormat, ...)
271	{
272	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
273	va_list va;
274	va_start(va, pszFormat);
275	size_t cch = RTStrPrintfExV(dbgcStringFormatter, pDbgc, pszBuf, cbBuf, pszFormat, va);
276	va_end(va);
277	return cch;
278	}
279
280
281	/**
282	* @interface_method_impl{DBGCCMDHLP,pfnVBoxErrorV}
283	*/
284	static DECLCALLBACK(int) dbgcHlpVBoxErrorV(PDBGCCMDHLP pCmdHlp, int rc, const char *pszFormat, va_list args)
285	{
286	switch (rc)
287	{
288	case VINF_SUCCESS:
289	break;
290
291	default:
292	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: %Rrc: %s", rc, pszFormat ? " " : "\n");
293	if (RT_SUCCESS(rc) && pszFormat)
294	rc = pCmdHlp->pfnPrintfV(pCmdHlp, NULL, pszFormat, args);
295	if (RT_SUCCESS(rc))
296	rc = VERR_DBGC_COMMAND_FAILED;
297	break;
298	}
299	return rc;
300	}
301
302
303	/**
304	* @interface_method_impl{DBGCCMDHLP,pfnVBoxError}
305	*/
306	static DECLCALLBACK(int) dbgcHlpVBoxError(PDBGCCMDHLP pCmdHlp, int rc, const char *pszFormat, ...)
307	{
308	va_list args;
309	va_start(args, pszFormat);
310	int rcRet = pCmdHlp->pfnVBoxErrorV(pCmdHlp, rc, pszFormat, args);
311	va_end(args);
312	return rcRet;
313	}
314
315
316	/**
317	* @interface_method_impl{DBGCCMDHLP,pfnMemRead}
318	*/
319	static DECLCALLBACK(int) dbgcHlpMemRead(PDBGCCMDHLP pCmdHlp, void pvBuffer, size_t cbRead, PCDBGCVAR pVarPointer, size_t pcbRead)
320	{
321	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
322	DBGFADDRESS Address;
323	int rc;
324
325	/*
326	* Dummy check.
327	*/
328	if (cbRead == 0)
329	{
330	if (*pcbRead)
331	*pcbRead = 0;
332	return VINF_SUCCESS;
333	}
334
335	/*
336	* Convert Far addresses getting size and the correct base address.
337	* Getting and checking the size is what makes this messy and slow.
338	*/
339	DBGCVAR Var = *pVarPointer;
340	switch (pVarPointer->enmType)
341	{
342	case DBGCVAR_TYPE_GC_FAR:
343	/* Use DBGFR3AddrFromSelOff for the conversion. */
344	Assert(pDbgc->pUVM);
345	rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Address, Var.u.GCFar.sel, Var.u.GCFar.off);
346	if (RT_FAILURE(rc))
347	return rc;
348
349	/* don't bother with flat selectors (for now). */
350	if (!DBGFADDRESS_IS_FLAT(&Address))
351	{
352	DBGFSELINFO SelInfo;
353	rc = DBGFR3SelQueryInfo(pDbgc->pUVM, pDbgc->idCpu, Address.Sel,
354	DBGFSELQI_FLAGS_DT_GUEST \| DBGFSELQI_FLAGS_DT_ADJ_64BIT_MODE, &SelInfo);
355	if (RT_SUCCESS(rc))
356	{
357	RTGCUINTPTR cb; /* -1 byte */
358	if (DBGFSelInfoIsExpandDown(&SelInfo))
359	{
360	if ( !SelInfo.u.Raw.Gen.u1Granularity
361	&& Address.off > UINT16_C(0xffff))
362	return VERR_OUT_OF_SELECTOR_BOUNDS;
363	if (Address.off <= SelInfo.cbLimit)
364	return VERR_OUT_OF_SELECTOR_BOUNDS;
365	cb = (SelInfo.u.Raw.Gen.u1Granularity ? UINT32_C(0xffffffff) : UINT32_C(0xffff)) - Address.off;
366	}
367	else
368	{
369	if (Address.off > SelInfo.cbLimit)
370	return VERR_OUT_OF_SELECTOR_BOUNDS;
371	cb = SelInfo.cbLimit - Address.off;
372	}
373	if (cbRead - 1 > cb)
374	{
375	if (!pcbRead)
376	return VERR_OUT_OF_SELECTOR_BOUNDS;
377	cbRead = cb + 1;
378	}
379	}
380	}
381	Var.enmType = DBGCVAR_TYPE_GC_FLAT;
382	Var.u.GCFlat = Address.FlatPtr;
383	break;
384
385	case DBGCVAR_TYPE_GC_FLAT:
386	case DBGCVAR_TYPE_GC_PHYS:
387	case DBGCVAR_TYPE_HC_FLAT:
388	case DBGCVAR_TYPE_HC_PHYS:
389	break;
390
391	default:
392	return VERR_NOT_IMPLEMENTED;
393	}
394
395
396
397	/*
398	* Copy page by page.
399	*/
400	size_t cbLeft = cbRead;
401	for (;;)
402	{
403	/*
404	* Calc read size.
405	*/
406	size_t cb = RT_MIN(PAGE_SIZE, cbLeft);
407	switch (pVarPointer->enmType)
408	{
409	case DBGCVAR_TYPE_GC_FLAT: cb = RT_MIN(cb, PAGE_SIZE - (Var.u.GCFlat & PAGE_OFFSET_MASK)); break;
410	case DBGCVAR_TYPE_GC_PHYS: cb = RT_MIN(cb, PAGE_SIZE - (Var.u.GCPhys & PAGE_OFFSET_MASK)); break;
411	case DBGCVAR_TYPE_HC_FLAT: cb = RT_MIN(cb, PAGE_SIZE - ((uintptr_t)Var.u.pvHCFlat & PAGE_OFFSET_MASK)); break;
412	case DBGCVAR_TYPE_HC_PHYS: cb = RT_MIN(cb, PAGE_SIZE - ((size_t)Var.u.HCPhys & PAGE_OFFSET_MASK)); break; /* size_t: MSC has braindead loss of data warnings! */
413	default: break;
414	}
415
416	/*
417	* Perform read.
418	*/
419	switch (Var.enmType)
420	{
421	case DBGCVAR_TYPE_GC_FLAT:
422	rc = DBGFR3MemRead(pDbgc->pUVM, pDbgc->idCpu,
423	DBGFR3AddrFromFlat(pDbgc->pUVM, &Address, Var.u.GCFlat),
424	pvBuffer, cb);
425	break;
426
427	case DBGCVAR_TYPE_GC_PHYS:
428	rc = DBGFR3MemRead(pDbgc->pUVM, pDbgc->idCpu,
429	DBGFR3AddrFromPhys(pDbgc->pUVM, &Address, Var.u.GCPhys),
430	pvBuffer, cb);
431	break;
432
433	case DBGCVAR_TYPE_HC_PHYS:
434	{
435	DBGCVAR Var2;
436	rc = dbgcOpAddrFlat(pDbgc, &Var, DBGCVAR_CAT_ANY, &Var2);
437	if (RT_SUCCESS(rc))
438	{
439	memcpy(pvBuffer, Var2.u.pvHCFlat, cb);
440	rc = VINF_SUCCESS;
441	}
442	else
443	rc = VERR_INVALID_POINTER;
444	break;
445	}
446
447	case DBGCVAR_TYPE_HC_FLAT:
448	rc = VERR_NOT_SUPPORTED;
449	break;
450
451	default:
452	rc = VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
453	}
454
455	/*
456	* Check for failure.
457	*/
458	if (RT_FAILURE(rc))
459	{
460	if (pcbRead && (*pcbRead = cbRead - cbLeft) > 0)
461	return VINF_SUCCESS;
462	return rc;
463	}
464
465	/*
466	* Next.
467	*/
468	cbLeft -= cb;
469	if (!cbLeft)
470	break;
471	pvBuffer = (char *)pvBuffer + cb;
472	rc = DBGCCmdHlpEval(pCmdHlp, &Var, "%DV + %#zx", &Var, cb);
473	if (RT_FAILURE(rc))
474	{
475	if (pcbRead && (*pcbRead = cbRead - cbLeft) > 0)
476	return VINF_SUCCESS;
477	return rc;
478	}
479	}
480
481	/*
482	* Done
483	*/
484	if (pcbRead)
485	*pcbRead = cbRead;
486	return 0;
487	}
488
489
490	/**
491	* @interface_method_impl{DBGCCMDHLP,pfnMemWrite}
492	*/
493	static DECLCALLBACK(int) dbgcHlpMemWrite(PDBGCCMDHLP pCmdHlp, const void pvBuffer, size_t cbWrite, PCDBGCVAR pVarPointer, size_t pcbWritten)
494	{
495	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
496	DBGFADDRESS Address;
497	int rc;
498
499	/*
500	* Dummy check.
501	*/
502	if (cbWrite == 0)
503	{
504	if (*pcbWritten)
505	*pcbWritten = 0;
506	return VINF_SUCCESS;
507	}
508
509	/*
510	* Convert Far addresses getting size and the correct base address.
511	* Getting and checking the size is what makes this messy and slow.
512	*/
513	DBGCVAR Var = *pVarPointer;
514	switch (pVarPointer->enmType)
515	{
516	case DBGCVAR_TYPE_GC_FAR:
517	{
518	/* Use DBGFR3AddrFromSelOff for the conversion. */
519	Assert(pDbgc->pUVM);
520	rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Address, Var.u.GCFar.sel, Var.u.GCFar.off);
521	if (RT_FAILURE(rc))
522	return rc;
523
524	/* don't bother with flat selectors (for now). */
525	if (!DBGFADDRESS_IS_FLAT(&Address))
526	{
527	DBGFSELINFO SelInfo;
528	rc = DBGFR3SelQueryInfo(pDbgc->pUVM, pDbgc->idCpu, Address.Sel,
529	DBGFSELQI_FLAGS_DT_GUEST \| DBGFSELQI_FLAGS_DT_ADJ_64BIT_MODE, &SelInfo);
530	if (RT_SUCCESS(rc))
531	{
532	RTGCUINTPTR cb; /* -1 byte */
533	if (DBGFSelInfoIsExpandDown(&SelInfo))
534	{
535	if ( !SelInfo.u.Raw.Gen.u1Granularity
536	&& Address.off > UINT16_C(0xffff))
537	return VERR_OUT_OF_SELECTOR_BOUNDS;
538	if (Address.off <= SelInfo.cbLimit)
539	return VERR_OUT_OF_SELECTOR_BOUNDS;
540	cb = (SelInfo.u.Raw.Gen.u1Granularity ? UINT32_C(0xffffffff) : UINT32_C(0xffff)) - Address.off;
541	}
542	else
543	{
544	if (Address.off > SelInfo.cbLimit)
545	return VERR_OUT_OF_SELECTOR_BOUNDS;
546	cb = SelInfo.cbLimit - Address.off;
547	}
548	if (cbWrite - 1 > cb)
549	{
550	if (!pcbWritten)
551	return VERR_OUT_OF_SELECTOR_BOUNDS;
552	cbWrite = cb + 1;
553	}
554	}
555	}
556	Var.enmType = DBGCVAR_TYPE_GC_FLAT;
557	Var.u.GCFlat = Address.FlatPtr;
558	}
559	RT_FALL_THRU();
560	case DBGCVAR_TYPE_GC_FLAT:
561	rc = DBGFR3MemWrite(pDbgc->pUVM, pDbgc->idCpu,
562	DBGFR3AddrFromFlat(pDbgc->pUVM, &Address, Var.u.GCFlat),
563	pvBuffer, cbWrite);
564	if (pcbWritten && RT_SUCCESS(rc))
565	*pcbWritten = cbWrite;
566	return rc;
567
568	case DBGCVAR_TYPE_GC_PHYS:
569	rc = DBGFR3MemWrite(pDbgc->pUVM, pDbgc->idCpu,
570	DBGFR3AddrFromPhys(pDbgc->pUVM, &Address, Var.u.GCPhys),
571	pvBuffer, cbWrite);
572	if (pcbWritten && RT_SUCCESS(rc))
573	*pcbWritten = cbWrite;
574	return rc;
575
576	case DBGCVAR_TYPE_HC_PHYS:
577	{
578	/*
579	* Copy HC memory page by page.
580	*/
581	if (pcbWritten)
582	*pcbWritten = 0;
583	while (cbWrite > 0)
584	{
585	/* convert to flat address */
586	DBGCVAR Var2;
587	rc = dbgcOpAddrFlat(pDbgc, &Var, DBGCVAR_CAT_ANY, &Var2);
588	if (RT_FAILURE(rc))
589	{
590	if (pcbWritten && *pcbWritten)
591	return -VERR_INVALID_POINTER;
592	return VERR_INVALID_POINTER;
593	}
594
595	/* calc size. */
596	size_t cbChunk = PAGE_SIZE;
597	cbChunk -= (uintptr_t)Var.u.pvHCFlat & PAGE_OFFSET_MASK;
598	if (cbChunk > cbWrite)
599	cbChunk = cbWrite;
600
601	memcpy(Var2.u.pvHCFlat, pvBuffer, cbChunk);
602
603	/* advance */
604	if (Var.enmType == DBGCVAR_TYPE_HC_FLAT)
605	Var.u.pvHCFlat = (uint8_t *)Var.u.pvHCFlat + cbChunk;
606	else
607	Var.u.HCPhys += cbChunk;
608	pvBuffer = (uint8_t const *)pvBuffer + cbChunk;
609	if (pcbWritten)
610	*pcbWritten += cbChunk;
611	cbWrite -= cbChunk;
612	}
613
614	return VINF_SUCCESS;
615	}
616
617	case DBGCVAR_TYPE_HC_FLAT:
618	return VERR_NOT_SUPPORTED;
619
620	default:
621	return VERR_NOT_IMPLEMENTED;
622	}
623	}
624
625
626	/**
627	* @interface_method_impl{DBGCCMDHLP,pfnExec}
628	*/
629	static DECLCALLBACK(int) dbgcHlpExec(PDBGCCMDHLP pCmdHlp, const char *pszExpr, ...)
630	{
631	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
632	/* Save the scratch state. */
633	char *pszScratch = pDbgc->pszScratch;
634	unsigned iArg = pDbgc->iArg;
635
636	/*
637	* Format the expression.
638	*/
639	va_list args;
640	va_start(args, pszExpr);
641	size_t cbScratch = sizeof(pDbgc->achScratch) - (pDbgc->pszScratch - &pDbgc->achScratch[0]);
642	size_t cb = RTStrPrintfExV(dbgcStringFormatter, pDbgc, pDbgc->pszScratch, cbScratch, pszExpr, args);
643	va_end(args);
644	if (cb >= cbScratch)
645	return VERR_BUFFER_OVERFLOW;
646
647	/*
648	* Execute the command.
649	* We save and restore the arg index and scratch buffer pointer.
650	*/
651	pDbgc->pszScratch = pDbgc->pszScratch + cb + 1;
652	int rc = dbgcEvalCommand(pDbgc, pszScratch, cb, false /* fNoExecute */);
653
654	/* Restore the scratch state. */
655	pDbgc->iArg = iArg;
656	pDbgc->pszScratch = pszScratch;
657
658	return rc;
659	}
660
661
662	/**
663	* @interface_method_impl{DBGCCMDHLP,pfnEvalV}
664	*/
665	static DECLCALLBACK(int) dbgcHlpEvalV(PDBGCCMDHLP pCmdHlp, PDBGCVAR pResult, const char *pszExpr, va_list va)
666	{
667	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
668
669	/*
670	* Format the expression.
671	*/
672	char szExprFormatted[2048];
673	size_t cb = RTStrPrintfExV(dbgcStringFormatter, pDbgc, szExprFormatted, sizeof(szExprFormatted), pszExpr, va);
674	/* ignore overflows. */
675
676	return dbgcEvalSub(pDbgc, &szExprFormatted[0], cb, DBGCVAR_CAT_ANY, pResult);
677	}
678
679
680	/**
681	* @interface_method_impl{DBGCCMDHLP,pfnFailV}
682	*/
683	static DECLCALLBACK(int) dbgcHlpFailV(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, const char *pszFormat, va_list va)
684	{
685	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
686
687	/*
688	* Do the formatting and output.
689	*/
690	pDbgc->rcOutput = VINF_SUCCESS;
691	RTStrFormat(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, "%s: error: ", pCmd->pszCmd);
692	if (RT_FAILURE(pDbgc->rcOutput))
693	return pDbgc->rcOutput;
694	RTStrFormatV(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, pszFormat, va);
695	if (RT_FAILURE(pDbgc->rcOutput))
696	return pDbgc->rcOutput;
697	if (pDbgc->chLastOutput != '\n')
698	dbgcFormatOutput(pDbgc, "\n", 1);
699	return VERR_DBGC_COMMAND_FAILED;
700	}
701
702
703	/**
704	* @interface_method_impl{DBGCCMDHLP,pfnFailRcV}
705	*/
706	static DECLCALLBACK(int) dbgcHlpFailRcV(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, int rc, const char *pszFormat, va_list va)
707	{
708	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
709
710	/*
711	* Do the formatting and output.
712	*/
713	pDbgc->rcOutput = VINF_SUCCESS;
714	RTStrFormat(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, "%s: error: ", pCmd->pszCmd);
715	if (RT_FAILURE(pDbgc->rcOutput))
716	return pDbgc->rcOutput;
717	RTStrFormatV(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, pszFormat, va);
718	if (RT_FAILURE(pDbgc->rcOutput))
719	return pDbgc->rcOutput;
720	RTStrFormat(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, ": %Rrc\n", rc);
721	if (RT_FAILURE(pDbgc->rcOutput))
722	return pDbgc->rcOutput;
723
724	return VERR_DBGC_COMMAND_FAILED;
725	}
726
727
728	/**
729	* @interface_method_impl{DBGCCMDHLP,pfnParserError}
730	*/
731	static DECLCALLBACK(int) dbgcHlpParserError(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, int iArg, const char *pszExpr, unsigned iLine)
732	{
733	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
734
735	/*
736	* Do the formatting and output.
737	*/
738	pDbgc->rcOutput = VINF_SUCCESS;
739	RTStrFormat(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, "%s: parser error: iArg=%d iLine=%u pszExpr=%s\n",
740	pCmd->pszCmd, iArg, iLine, pszExpr);
741	if (RT_FAILURE(pDbgc->rcOutput))
742	return pDbgc->rcOutput;
743	return VERR_DBGC_COMMAND_FAILED;
744	}
745
746
747	/**
748	* @interface_method_impl{DBGCCMDHLP,pfnVarToDbgfAddr}
749	*/
750	static DECLCALLBACK(int) dbgcHlpVarToDbgfAddr(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, PDBGFADDRESS pAddress)
751	{
752	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
753	AssertPtr(pVar);
754	AssertPtr(pAddress);
755
756	switch (pVar->enmType)
757	{
758	case DBGCVAR_TYPE_GC_FLAT:
759	DBGFR3AddrFromFlat(pDbgc->pUVM, pAddress, pVar->u.GCFlat);
760	return VINF_SUCCESS;
761
762	case DBGCVAR_TYPE_NUMBER:
763	DBGFR3AddrFromFlat(pDbgc->pUVM, pAddress, (RTGCUINTPTR)pVar->u.u64Number);
764	return VINF_SUCCESS;
765
766	case DBGCVAR_TYPE_GC_FAR:
767	return DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, pAddress, pVar->u.GCFar.sel, pVar->u.GCFar.off);
768
769	case DBGCVAR_TYPE_GC_PHYS:
770	DBGFR3AddrFromPhys(pDbgc->pUVM, pAddress, pVar->u.GCPhys);
771	return VINF_SUCCESS;
772
773	case DBGCVAR_TYPE_SYMBOL:
774	{
775	DBGCVAR Var;
776	int rc = DBGCCmdHlpEval(&pDbgc->CmdHlp, &Var, "%%(%DV)", pVar);
777	if (RT_FAILURE(rc))
778	return rc;
779	return dbgcHlpVarToDbgfAddr(pCmdHlp, &Var, pAddress);
780	}
781
782	case DBGCVAR_TYPE_STRING:
783	case DBGCVAR_TYPE_HC_FLAT:
784	case DBGCVAR_TYPE_HC_PHYS:
785	default:
786	return VERR_DBGC_PARSE_CONVERSION_FAILED;
787	}
788	}
789
790
791	/**
792	* @interface_method_impl{DBGCCMDHLP,pfnVarFromDbgfAddr}
793	*/
794	static DECLCALLBACK(int) dbgcHlpVarFromDbgfAddr(PDBGCCMDHLP pCmdHlp, PCDBGFADDRESS pAddress, PDBGCVAR pResult)
795	{
796	RT_NOREF1(pCmdHlp);
797	AssertPtrReturn(pAddress, VERR_INVALID_POINTER);
798	AssertReturn(DBGFADDRESS_IS_VALID(pAddress), VERR_INVALID_PARAMETER);
799	AssertPtrReturn(pResult, VERR_INVALID_POINTER);
800
801	switch (pAddress->fFlags & DBGFADDRESS_FLAGS_TYPE_MASK)
802	{
803	case DBGFADDRESS_FLAGS_FAR16:
804	case DBGFADDRESS_FLAGS_FAR32:
805	case DBGFADDRESS_FLAGS_FAR64:
806	DBGCVAR_INIT_GC_FAR(pResult, pAddress->Sel, pAddress->off);
807	break;
808
809	case DBGFADDRESS_FLAGS_FLAT:
810	DBGCVAR_INIT_GC_FLAT(pResult, pAddress->FlatPtr);
811	break;
812
813	case DBGFADDRESS_FLAGS_PHYS:
814	DBGCVAR_INIT_GC_PHYS(pResult, pAddress->FlatPtr);
815	break;
816
817	default:
818	DBGCVAR_INIT(pResult);
819	AssertMsgFailedReturn(("%#x\n", pAddress->fFlags), VERR_INVALID_PARAMETER);
820	break;
821	}
822
823	return VINF_SUCCESS;
824	}
825
826
827	/**
828	* @interface_method_impl{DBGCCMDHLP,pfnVarToNumber}
829	*/
830	static DECLCALLBACK(int) dbgcHlpVarToNumber(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, uint64_t *pu64Number)
831	{
832	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
833	NOREF(pDbgc);
834
835	uint64_t u64Number;
836	switch (pVar->enmType)
837	{
838	case DBGCVAR_TYPE_GC_FLAT:
839	u64Number = pVar->u.GCFlat;
840	break;
841	case DBGCVAR_TYPE_GC_PHYS:
842	u64Number = pVar->u.GCPhys;
843	break;
844	case DBGCVAR_TYPE_HC_FLAT:
845	u64Number = (uintptr_t)pVar->u.pvHCFlat;
846	break;
847	case DBGCVAR_TYPE_HC_PHYS:
848	u64Number = (uintptr_t)pVar->u.HCPhys;
849	break;
850	case DBGCVAR_TYPE_NUMBER:
851	u64Number = (uintptr_t)pVar->u.u64Number;
852	break;
853	case DBGCVAR_TYPE_GC_FAR:
854	u64Number = (uintptr_t)pVar->u.GCFar.off;
855	break;
856	case DBGCVAR_TYPE_SYMBOL:
857	/** @todo try convert as symbol? */
858	case DBGCVAR_TYPE_STRING:
859	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE; /** @todo better error code! */
860	default:
861	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
862	}
863	*pu64Number = u64Number;
864	return VINF_SUCCESS;
865	}
866
867
868	/**
869	* @interface_method_impl{DBGCCMDHLP,pfnVarToBool}
870	*/
871	static DECLCALLBACK(int) dbgcHlpVarToBool(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, bool *pf)
872	{
873	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
874	NOREF(pDbgc);
875
876	switch (pVar->enmType)
877	{
878	case DBGCVAR_TYPE_SYMBOL:
879	case DBGCVAR_TYPE_STRING:
880	if ( !RTStrICmp(pVar->u.pszString, "true")
881	\|\| !RTStrICmp(pVar->u.pszString, "on")
882	\|\| !RTStrICmp(pVar->u.pszString, "no")
883	\|\| !RTStrICmp(pVar->u.pszString, "enabled"))
884	{
885	*pf = true;
886	return VINF_SUCCESS;
887	}
888	if ( !RTStrICmp(pVar->u.pszString, "false")
889	\|\| !RTStrICmp(pVar->u.pszString, "off")
890	\|\| !RTStrICmp(pVar->u.pszString, "yes")
891	\|\| !RTStrICmp(pVar->u.pszString, "disabled"))
892	{
893	*pf = false;
894	return VINF_SUCCESS;
895	}
896	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE; /** @todo better error code! */
897
898	case DBGCVAR_TYPE_GC_FLAT:
899	case DBGCVAR_TYPE_GC_PHYS:
900	case DBGCVAR_TYPE_HC_FLAT:
901	case DBGCVAR_TYPE_HC_PHYS:
902	case DBGCVAR_TYPE_NUMBER:
903	*pf = pVar->u.u64Number != 0;
904	return VINF_SUCCESS;
905
906	case DBGCVAR_TYPE_GC_FAR:
907	default:
908	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
909	}
910	}
911
912
913	/**
914	* @interface_method_impl{DBGCCMDHLP,pfnVarGetRange}
915	*/
916	static DECLCALLBACK(int) dbgcHlpVarGetRange(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, uint64_t cbElement, uint64_t cbDefault,
917	uint64_t *pcbRange)
918	{
919	RT_NOREF1(pCmdHlp);
920	/** @todo implement this properly, strings/symbols are not resolved now. */
921	switch (pVar->enmRangeType)
922	{
923	default:
924	case DBGCVAR_RANGE_NONE:
925	*pcbRange = cbDefault;
926	break;
927	case DBGCVAR_RANGE_BYTES:
928	*pcbRange = pVar->u64Range;
929	break;
930	case DBGCVAR_RANGE_ELEMENTS:
931	pcbRange = pVar->u64Range cbElement;
932	break;
933	}
934	return VINF_SUCCESS;
935	}
936
937
938	/**
939	* @interface_method_impl{DBGCCMDHLP,pfnVarConvert}
940	*/
941	static DECLCALLBACK(int) dbgcHlpVarConvert(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, DBGCVARTYPE enmToType, bool fConvSyms,
942	PDBGCVAR pResult)
943	{
944	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
945	DBGCVAR const InVar = pVar; / if pVar == pResult */
946	PCDBGCVAR pArg = &InVar; /* lazy bird, clean up later */
947	DBGFADDRESS Address;
948	int rc;
949
950	Assert(pDbgc->pUVM);
951
952	*pResult = InVar;
953	switch (InVar.enmType)
954	{
955	case DBGCVAR_TYPE_GC_FLAT:
956	switch (enmToType)
957	{
958	case DBGCVAR_TYPE_GC_FLAT:
959	return VINF_SUCCESS;
960
961	case DBGCVAR_TYPE_GC_FAR:
962	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
963
964	case DBGCVAR_TYPE_GC_PHYS:
965	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
966	rc = DBGFR3AddrToPhys(pDbgc->pUVM, pDbgc->idCpu,
967	DBGFR3AddrFromFlat(pDbgc->pUVM, &Address, pArg->u.GCFlat),
968	&pResult->u.GCPhys);
969	if (RT_SUCCESS(rc))
970	return VINF_SUCCESS;
971	return VERR_DBGC_PARSE_CONVERSION_FAILED;
972
973	case DBGCVAR_TYPE_HC_FLAT:
974	pResult->enmType = DBGCVAR_TYPE_HC_FLAT;
975	rc = DBGFR3AddrToVolatileR3Ptr(pDbgc->pUVM, pDbgc->idCpu,
976	DBGFR3AddrFromFlat(pDbgc->pUVM, &Address, pArg->u.GCFlat),
977	false /fReadOnly /,
978	&pResult->u.pvHCFlat);
979	if (RT_SUCCESS(rc))
980	return VINF_SUCCESS;
981	return VERR_DBGC_PARSE_CONVERSION_FAILED;
982
983	case DBGCVAR_TYPE_HC_PHYS:
984	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
985	rc = DBGFR3AddrToHostPhys(pDbgc->pUVM, pDbgc->idCpu,
986	DBGFR3AddrFromFlat(pDbgc->pUVM, &Address, pArg->u.GCFlat),
987	&pResult->u.GCPhys);
988	if (RT_SUCCESS(rc))
989	return VINF_SUCCESS;
990	return VERR_DBGC_PARSE_CONVERSION_FAILED;
991
992	case DBGCVAR_TYPE_NUMBER:
993	pResult->enmType = enmToType;
994	pResult->u.u64Number = InVar.u.GCFlat;
995	return VINF_SUCCESS;
996
997	case DBGCVAR_TYPE_STRING:
998	case DBGCVAR_TYPE_SYMBOL:
999	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1000
1001	case DBGCVAR_TYPE_UNKNOWN:
1002	case DBGCVAR_TYPE_ANY:
1003	break;
1004	}
1005	break;
1006
1007	case DBGCVAR_TYPE_GC_FAR:
1008	switch (enmToType)
1009	{
1010	case DBGCVAR_TYPE_GC_FLAT:
1011	rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off);
1012	if (RT_SUCCESS(rc))
1013	{
1014	pResult->enmType = DBGCVAR_TYPE_GC_FLAT;
1015	pResult->u.GCFlat = Address.FlatPtr;
1016	return VINF_SUCCESS;
1017	}
1018	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1019
1020	case DBGCVAR_TYPE_GC_FAR:
1021	return VINF_SUCCESS;
1022
1023	case DBGCVAR_TYPE_GC_PHYS:
1024	rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off);
1025	if (RT_SUCCESS(rc))
1026	{
1027	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
1028	rc = DBGFR3AddrToPhys(pDbgc->pUVM, pDbgc->idCpu, &Address, &pResult->u.GCPhys);
1029	if (RT_SUCCESS(rc))
1030	return VINF_SUCCESS;
1031	}
1032	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1033
1034	case DBGCVAR_TYPE_HC_FLAT:
1035	rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off);
1036	if (RT_SUCCESS(rc))
1037	{
1038	pResult->enmType = DBGCVAR_TYPE_HC_FLAT;
1039	rc = DBGFR3AddrToVolatileR3Ptr(pDbgc->pUVM, pDbgc->idCpu, &Address,
1040	false /fReadOnly/, &pResult->u.pvHCFlat);
1041	if (RT_SUCCESS(rc))
1042	return VINF_SUCCESS;
1043	}
1044	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1045
1046	case DBGCVAR_TYPE_HC_PHYS:
1047	rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off);
1048	if (RT_SUCCESS(rc))
1049	{
1050	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
1051	rc = DBGFR3AddrToHostPhys(pDbgc->pUVM, pDbgc->idCpu, &Address, &pResult->u.GCPhys);
1052	if (RT_SUCCESS(rc))
1053	return VINF_SUCCESS;
1054	}
1055	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1056
1057	case DBGCVAR_TYPE_NUMBER:
1058	pResult->enmType = enmToType;
1059	pResult->u.u64Number = InVar.u.GCFar.off;
1060	return VINF_SUCCESS;
1061
1062	case DBGCVAR_TYPE_STRING:
1063	case DBGCVAR_TYPE_SYMBOL:
1064	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1065
1066	case DBGCVAR_TYPE_UNKNOWN:
1067	case DBGCVAR_TYPE_ANY:
1068	break;
1069	}
1070	break;
1071
1072	case DBGCVAR_TYPE_GC_PHYS:
1073	switch (enmToType)
1074	{
1075	case DBGCVAR_TYPE_GC_FLAT:
1076	//rc = MMR3PhysGCPhys2GCVirtEx(pDbgc->pVM, pResult->u.GCPhys, ..., &pResult->u.GCFlat); - yea, sure.
1077	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1078
1079	case DBGCVAR_TYPE_GC_FAR:
1080	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1081
1082	case DBGCVAR_TYPE_GC_PHYS:
1083	return VINF_SUCCESS;
1084
1085	case DBGCVAR_TYPE_HC_FLAT:
1086	pResult->enmType = DBGCVAR_TYPE_HC_FLAT;
1087	rc = DBGFR3AddrToVolatileR3Ptr(pDbgc->pUVM, pDbgc->idCpu,
1088	DBGFR3AddrFromPhys(pDbgc->pUVM, &Address, pArg->u.GCPhys),
1089	false /fReadOnly /,
1090	&pResult->u.pvHCFlat);
1091	if (RT_SUCCESS(rc))
1092	return VINF_SUCCESS;
1093	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1094
1095	case DBGCVAR_TYPE_HC_PHYS:
1096	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
1097	rc = DBGFR3AddrToHostPhys(pDbgc->pUVM, pDbgc->idCpu,
1098	DBGFR3AddrFromPhys(pDbgc->pUVM, &Address, pArg->u.GCPhys),
1099	&pResult->u.HCPhys);
1100	if (RT_SUCCESS(rc))
1101	return VINF_SUCCESS;
1102	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1103
1104	case DBGCVAR_TYPE_NUMBER:
1105	pResult->enmType = enmToType;
1106	pResult->u.u64Number = InVar.u.GCPhys;
1107	return VINF_SUCCESS;
1108
1109	case DBGCVAR_TYPE_STRING:
1110	case DBGCVAR_TYPE_SYMBOL:
1111	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1112
1113	case DBGCVAR_TYPE_UNKNOWN:
1114	case DBGCVAR_TYPE_ANY:
1115	break;
1116	}
1117	break;
1118
1119	case DBGCVAR_TYPE_HC_FLAT:
1120	switch (enmToType)
1121	{
1122	case DBGCVAR_TYPE_GC_FLAT:
1123	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1124
1125	case DBGCVAR_TYPE_GC_FAR:
1126	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1127
1128	case DBGCVAR_TYPE_GC_PHYS:
1129	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
1130	rc = PGMR3DbgR3Ptr2GCPhys(pDbgc->pUVM, pArg->u.pvHCFlat, &pResult->u.GCPhys);
1131	if (RT_SUCCESS(rc))
1132	return VINF_SUCCESS;
1133	/** @todo more memory types! */
1134	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1135
1136	case DBGCVAR_TYPE_HC_FLAT:
1137	return VINF_SUCCESS;
1138
1139	case DBGCVAR_TYPE_HC_PHYS:
1140	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
1141	rc = PGMR3DbgR3Ptr2HCPhys(pDbgc->pUVM, pArg->u.pvHCFlat, &pResult->u.HCPhys);
1142	if (RT_SUCCESS(rc))
1143	return VINF_SUCCESS;
1144	/** @todo more memory types! */
1145	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1146
1147	case DBGCVAR_TYPE_NUMBER:
1148	pResult->enmType = enmToType;
1149	pResult->u.u64Number = (uintptr_t)InVar.u.pvHCFlat;
1150	return VINF_SUCCESS;
1151
1152	case DBGCVAR_TYPE_STRING:
1153	case DBGCVAR_TYPE_SYMBOL:
1154	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1155
1156	case DBGCVAR_TYPE_UNKNOWN:
1157	case DBGCVAR_TYPE_ANY:
1158	break;
1159	}
1160	break;
1161
1162	case DBGCVAR_TYPE_HC_PHYS:
1163	switch (enmToType)
1164	{
1165	case DBGCVAR_TYPE_GC_FLAT:
1166	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1167
1168	case DBGCVAR_TYPE_GC_FAR:
1169	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1170
1171	case DBGCVAR_TYPE_GC_PHYS:
1172	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
1173	rc = PGMR3DbgHCPhys2GCPhys(pDbgc->pUVM, pArg->u.HCPhys, &pResult->u.GCPhys);
1174	if (RT_SUCCESS(rc))
1175	return VINF_SUCCESS;
1176	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1177
1178	case DBGCVAR_TYPE_HC_FLAT:
1179	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1180
1181	case DBGCVAR_TYPE_HC_PHYS:
1182	return VINF_SUCCESS;
1183
1184	case DBGCVAR_TYPE_NUMBER:
1185	pResult->enmType = enmToType;
1186	pResult->u.u64Number = InVar.u.HCPhys;
1187	return VINF_SUCCESS;
1188
1189	case DBGCVAR_TYPE_STRING:
1190	case DBGCVAR_TYPE_SYMBOL:
1191	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1192
1193	case DBGCVAR_TYPE_UNKNOWN:
1194	case DBGCVAR_TYPE_ANY:
1195	break;
1196	}
1197	break;
1198
1199	case DBGCVAR_TYPE_NUMBER:
1200	switch (enmToType)
1201	{
1202	case DBGCVAR_TYPE_GC_FLAT:
1203	pResult->enmType = DBGCVAR_TYPE_GC_FLAT;
1204	pResult->u.GCFlat = (RTGCPTR)InVar.u.u64Number;
1205	return VINF_SUCCESS;
1206
1207	case DBGCVAR_TYPE_GC_FAR:
1208	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1209
1210	case DBGCVAR_TYPE_GC_PHYS:
1211	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
1212	pResult->u.GCPhys = (RTGCPHYS)InVar.u.u64Number;
1213	return VINF_SUCCESS;
1214
1215	case DBGCVAR_TYPE_HC_FLAT:
1216	pResult->enmType = DBGCVAR_TYPE_HC_FLAT;
1217	pResult->u.pvHCFlat = (void *)(uintptr_t)InVar.u.u64Number;
1218	return VINF_SUCCESS;
1219
1220	case DBGCVAR_TYPE_HC_PHYS:
1221	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
1222	pResult->u.HCPhys = (RTHCPHYS)InVar.u.u64Number;
1223	return VINF_SUCCESS;
1224
1225	case DBGCVAR_TYPE_NUMBER:
1226	return VINF_SUCCESS;
1227
1228	case DBGCVAR_TYPE_STRING:
1229	case DBGCVAR_TYPE_SYMBOL:
1230	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1231
1232	case DBGCVAR_TYPE_UNKNOWN:
1233	case DBGCVAR_TYPE_ANY:
1234	break;
1235	}
1236	break;
1237
1238	case DBGCVAR_TYPE_SYMBOL:
1239	case DBGCVAR_TYPE_STRING:
1240	switch (enmToType)
1241	{
1242	case DBGCVAR_TYPE_GC_FLAT:
1243	case DBGCVAR_TYPE_GC_FAR:
1244	case DBGCVAR_TYPE_GC_PHYS:
1245	case DBGCVAR_TYPE_HC_FLAT:
1246	case DBGCVAR_TYPE_HC_PHYS:
1247	case DBGCVAR_TYPE_NUMBER:
1248	if (fConvSyms)
1249	{
1250	rc = dbgcSymbolGet(pDbgc, InVar.u.pszString, enmToType, pResult);
1251	if (RT_SUCCESS(rc))
1252	return VINF_SUCCESS;
1253	}
1254	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1255
1256	case DBGCVAR_TYPE_STRING:
1257	case DBGCVAR_TYPE_SYMBOL:
1258	pResult->enmType = enmToType;
1259	return VINF_SUCCESS;
1260
1261	case DBGCVAR_TYPE_UNKNOWN:
1262	case DBGCVAR_TYPE_ANY:
1263	break;
1264	}
1265	break;
1266
1267	case DBGCVAR_TYPE_UNKNOWN:
1268	case DBGCVAR_TYPE_ANY:
1269	break;
1270	}
1271
1272	AssertMsgFailed(("f=%d t=%d\n", InVar.enmType, enmToType));
1273	return VERR_INVALID_PARAMETER;
1274	}
1275
1276
1277	/**
1278	* @interface_method_impl{DBGFINFOHLP,pfnPrintf}
1279	*/
1280	static DECLCALLBACK(void) dbgcHlpGetDbgfOutputHlp_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
1281	{
1282	PDBGC pDbgc = RT_FROM_MEMBER(pHlp, DBGC, DbgfOutputHlp);
1283	va_list va;
1284	va_start(va, pszFormat);
1285	pDbgc->CmdHlp.pfnPrintfV(&pDbgc->CmdHlp, NULL, pszFormat, va);
1286	va_end(va);
1287	}
1288
1289
1290	/**
1291	* @interface_method_impl{DBGFINFOHLP,pfnPrintfV}
1292	*/
1293	static DECLCALLBACK(void) dbgcHlpGetDbgfOutputHlp_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
1294	{
1295	PDBGC pDbgc = RT_FROM_MEMBER(pHlp, DBGC, DbgfOutputHlp);
1296	pDbgc->CmdHlp.pfnPrintfV(&pDbgc->CmdHlp, NULL, pszFormat, args);
1297	}
1298
1299
1300	/**
1301	* @interface_method_impl{DBGCCMDHLP,pfnGetDbgfOutputHlp}
1302	*/
1303	static DECLCALLBACK(PCDBGFINFOHLP) dbgcHlpGetDbgfOutputHlp(PDBGCCMDHLP pCmdHlp)
1304	{
1305	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1306
1307	/* Lazy init */
1308	if (!pDbgc->DbgfOutputHlp.pfnPrintf)
1309	{
1310	pDbgc->DbgfOutputHlp.pfnPrintf = dbgcHlpGetDbgfOutputHlp_Printf;
1311	pDbgc->DbgfOutputHlp.pfnPrintfV = dbgcHlpGetDbgfOutputHlp_PrintfV;
1312	pDbgc->DbgfOutputHlp.pfnGetOptError = DBGFR3InfoGenericGetOptError;
1313	}
1314
1315	return &pDbgc->DbgfOutputHlp;
1316	}
1317
1318
1319	/**
1320	* @interface_method_impl{DBGCCMDHLP,pfnGetCurrentCpu}
1321	*/
1322	static DECLCALLBACK(VMCPUID) dbgcHlpGetCurrentCpu(PDBGCCMDHLP pCmdHlp)
1323	{
1324	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1325	return pDbgc->idCpu;
1326	}
1327
1328
1329	/**
1330	* @interface_method_impl{DBGCCMDHLP,pfnGetCpuMode}
1331	*/
1332	static DECLCALLBACK(CPUMMODE) dbgcHlpGetCpuMode(PDBGCCMDHLP pCmdHlp)
1333	{
1334	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1335	CPUMMODE enmMode = CPUMMODE_INVALID;
1336	if (pDbgc->pUVM)
1337	enmMode = DBGFR3CpuGetMode(pDbgc->pUVM, DBGCCmdHlpGetCurrentCpu(pCmdHlp));
1338	if (enmMode == CPUMMODE_INVALID)
1339	#if HC_ARCH_BITS == 64
1340	enmMode = CPUMMODE_LONG;
1341	#else
1342	enmMode = CPUMMODE_PROTECTED;
1343	#endif
1344	return enmMode;
1345	}
1346
1347
1348	/**
1349	* @interface_method_impl{DBGCCMDHLP,pfnRegPrintf}
1350	*/
1351	static DECLCALLBACK(int) dbgcHlpRegPrintf(PDBGCCMDHLP pCmdHlp, VMCPUID idCpu, int f64BitMode, bool fTerse)
1352	{
1353	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1354	char szDisAndRegs[8192];
1355	int rc;
1356
1357	if (f64BitMode < 0)
1358	f64BitMode = DBGFR3CpuIsIn64BitCode(pDbgc->pUVM, idCpu);
1359
1360	if (fTerse)
1361	{
1362	if (f64BitMode)
1363	rc = DBGFR3RegPrintf(pDbgc->pUVM, idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs),
1364	"u %016VR{rip} L 0\n"
1365	"rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n"
1366	"rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n"
1367	"r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n"
1368	"r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n"
1369	"rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n"
1370	"cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} rflags=%08VR{rflags}\n");
1371	else
1372	rc = DBGFR3RegPrintf(pDbgc->pUVM, idCpu, szDisAndRegs, sizeof(szDisAndRegs),
1373	"u %04VR{cs}:%08VR{eip} L 0\n"
1374	"eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n"
1375	"eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n"
1376	"cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} eflags=%08VR{eflags}\n");
1377	}
1378	else
1379	{
1380	if (f64BitMode)
1381	rc = DBGFR3RegPrintf(pDbgc->pUVM, idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs),
1382	"u %016VR{rip} L 0\n"
1383	"rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n"
1384	"rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n"
1385	"r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n"
1386	"r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n"
1387	"rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n"
1388	"cs={%04VR{cs} base=%016VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} cr0=%016VR{cr0}\n"
1389	"ds={%04VR{ds} base=%016VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} cr2=%016VR{cr2}\n"
1390	"es={%04VR{es} base=%016VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} cr3=%016VR{cr3}\n"
1391	"fs={%04VR{fs} base=%016VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr4=%016VR{cr4}\n"
1392	"gs={%04VR{gs} base=%016VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr8=%016VR{cr8}\n"
1393	"ss={%04VR{ss} base=%016VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n"
1394	"dr0=%016VR{dr0} dr1=%016VR{dr1} dr2=%016VR{dr2} dr3=%016VR{dr3}\n"
1395	"dr6=%016VR{dr6} dr7=%016VR{dr7}\n"
1396	"gdtr=%016VR{gdtr_base}:%04VR{gdtr_lim} idtr=%016VR{idtr_base}:%04VR{idtr_lim} rflags=%08VR{rflags}\n"
1397	"ldtr={%04VR{ldtr} base=%016VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%08VR{ldtr_attr}}\n"
1398	"tr ={%04VR{tr} base=%016VR{tr_base} limit=%08VR{tr_lim} flags=%08VR{tr_attr}}\n"
1399	" sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n"
1400	" efer=%016VR{efer}\n"
1401	" pat=%016VR{pat}\n"
1402	" sf_mask=%016VR{sf_mask}\n"
1403	"krnl_gs_base=%016VR{krnl_gs_base}\n"
1404	" lstar=%016VR{lstar}\n"
1405	" star=%016VR{star} cstar=%016VR{cstar}\n"
1406	"fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n"
1407	);
1408	else
1409	rc = DBGFR3RegPrintf(pDbgc->pUVM, idCpu, szDisAndRegs, sizeof(szDisAndRegs),
1410	"u %04VR{cs}:%08VR{eip} L 0\n"
1411	"eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n"
1412	"eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n"
1413	"cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} dr0=%08VR{dr0} dr1=%08VR{dr1}\n"
1414	"ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} dr2=%08VR{dr2} dr3=%08VR{dr3}\n"
1415	"es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} dr6=%08VR{dr6} dr7=%08VR{dr7}\n"
1416	"fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr0=%08VR{cr0} cr2=%08VR{cr2}\n"
1417	"gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr3=%08VR{cr3} cr4=%08VR{cr4}\n"
1418	"ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}} cr8=%08VR{cr8}\n"
1419	"gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} idtr=%08VR{idtr_base}:%04VR{idtr_lim} eflags=%08VR{eflags}\n"
1420	"ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n"
1421	"tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n"
1422	"sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n"
1423	"fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n"
1424	);
1425	}
1426	if (RT_FAILURE(rc))
1427	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed");
1428	char *pszRegs = strchr(szDisAndRegs, '\n');
1429	*pszRegs++ = '\0';
1430	rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs);
1431
1432	/*
1433	* Disassemble one instruction at cs:[r\|e]ip.
1434	*/
1435	if (!f64BitMode && strstr(pszRegs, " vm ")) /* a bit ugly... */
1436	return pCmdHlp->pfnExec(pCmdHlp, "uv86 %s", szDisAndRegs + 2);
1437	return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs);
1438	}
1439
1440
1441	/**
1442	* Initializes the Command Helpers for a DBGC instance.
1443	*
1444	* @param pDbgc Pointer to the DBGC instance.
1445	*/
1446	void dbgcInitCmdHlp(PDBGC pDbgc)
1447	{
1448	pDbgc->CmdHlp.u32Magic = DBGCCMDHLP_MAGIC;
1449	pDbgc->CmdHlp.pfnPrintfV = dbgcHlpPrintfV;
1450	pDbgc->CmdHlp.pfnPrintf = dbgcHlpPrintf;
1451	pDbgc->CmdHlp.pfnStrPrintf = dbgcHlpStrPrintf;
1452	pDbgc->CmdHlp.pfnStrPrintfV = dbgcHlpStrPrintfV;
1453	pDbgc->CmdHlp.pfnVBoxErrorV = dbgcHlpVBoxErrorV;
1454	pDbgc->CmdHlp.pfnVBoxError = dbgcHlpVBoxError;
1455	pDbgc->CmdHlp.pfnMemRead = dbgcHlpMemRead;
1456	pDbgc->CmdHlp.pfnMemWrite = dbgcHlpMemWrite;
1457	pDbgc->CmdHlp.pfnEvalV = dbgcHlpEvalV;
1458	pDbgc->CmdHlp.pfnExec = dbgcHlpExec;
1459	pDbgc->CmdHlp.pfnFailV = dbgcHlpFailV;
1460	pDbgc->CmdHlp.pfnFailRcV = dbgcHlpFailRcV;
1461	pDbgc->CmdHlp.pfnParserError = dbgcHlpParserError;
1462	pDbgc->CmdHlp.pfnVarToDbgfAddr = dbgcHlpVarToDbgfAddr;
1463	pDbgc->CmdHlp.pfnVarFromDbgfAddr = dbgcHlpVarFromDbgfAddr;
1464	pDbgc->CmdHlp.pfnVarToNumber = dbgcHlpVarToNumber;
1465	pDbgc->CmdHlp.pfnVarToBool = dbgcHlpVarToBool;
1466	pDbgc->CmdHlp.pfnVarGetRange = dbgcHlpVarGetRange;
1467	pDbgc->CmdHlp.pfnVarConvert = dbgcHlpVarConvert;
1468	pDbgc->CmdHlp.pfnGetDbgfOutputHlp = dbgcHlpGetDbgfOutputHlp;
1469	pDbgc->CmdHlp.pfnGetCurrentCpu = dbgcHlpGetCurrentCpu;
1470	pDbgc->CmdHlp.pfnGetCpuMode = dbgcHlpGetCpuMode;
1471	pDbgc->CmdHlp.pfnRegPrintf = dbgcHlpRegPrintf;
1472	pDbgc->CmdHlp.u32EndMarker = DBGCCMDHLP_MAGIC;
1473	}
1474

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source: vbox/trunk/src/VBox/Debugger/DBGCCmdHlp.cpp@ 93552

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