DBGCCmdHlp.cpp@ 60550

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1	/* $Id: DBGCCmdHlp.cpp 58132 2015-10-09 00:09:37Z vboxsync $ */
2	/** @file
3	* DBGC - Debugger Console, Command Helpers.
4	*/
5
6	/*
7	* Copyright (C) 2006-2015 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->pBack->pfnWrite(pDbgc->pBack, pachChars, cbChars, NULL);
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,pfnStrPrintf}
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	case DBGCVAR_TYPE_HC_FLAT:
435	{
436	DBGCVAR Var2;
437	rc = dbgcOpAddrFlat(pDbgc, &Var, DBGCVAR_CAT_ANY, &Var2);
438	if (RT_SUCCESS(rc))
439	{
440	/** @todo protect this!!! */
441	memcpy(pvBuffer, Var2.u.pvHCFlat, cb);
442	rc = 0;
443	}
444	else
445	rc = VERR_INVALID_POINTER;
446	break;
447	}
448
449	default:
450	rc = VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
451	}
452
453	/*
454	* Check for failure.
455	*/
456	if (RT_FAILURE(rc))
457	{
458	if (pcbRead && (*pcbRead = cbRead - cbLeft) > 0)
459	return VINF_SUCCESS;
460	return rc;
461	}
462
463	/*
464	* Next.
465	*/
466	cbLeft -= cb;
467	if (!cbLeft)
468	break;
469	pvBuffer = (char *)pvBuffer + cb;
470	rc = DBGCCmdHlpEval(pCmdHlp, &Var, "%DV + %#zx", &Var, cb);
471	if (RT_FAILURE(rc))
472	{
473	if (pcbRead && (*pcbRead = cbRead - cbLeft) > 0)
474	return VINF_SUCCESS;
475	return rc;
476	}
477	}
478
479	/*
480	* Done
481	*/
482	if (pcbRead)
483	*pcbRead = cbRead;
484	return 0;
485	}
486
487
488	/**
489	* @interface_method_impl{DBGCCMDHLP,pfnMemWrite}
490	*/
491	static DECLCALLBACK(int) dbgcHlpMemWrite(PDBGCCMDHLP pCmdHlp, const void pvBuffer, size_t cbWrite, PCDBGCVAR pVarPointer, size_t pcbWritten)
492	{
493	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
494	DBGFADDRESS Address;
495	int rc;
496
497	/*
498	* Dummy check.
499	*/
500	if (cbWrite == 0)
501	{
502	if (*pcbWritten)
503	*pcbWritten = 0;
504	return VINF_SUCCESS;
505	}
506
507	/*
508	* Convert Far addresses getting size and the correct base address.
509	* Getting and checking the size is what makes this messy and slow.
510	*/
511	DBGCVAR Var = *pVarPointer;
512	switch (pVarPointer->enmType)
513	{
514	case DBGCVAR_TYPE_GC_FAR:
515	{
516	/* Use DBGFR3AddrFromSelOff for the conversion. */
517	Assert(pDbgc->pUVM);
518	rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Address, Var.u.GCFar.sel, Var.u.GCFar.off);
519	if (RT_FAILURE(rc))
520	return rc;
521
522	/* don't bother with flat selectors (for now). */
523	if (!DBGFADDRESS_IS_FLAT(&Address))
524	{
525	DBGFSELINFO SelInfo;
526	rc = DBGFR3SelQueryInfo(pDbgc->pUVM, pDbgc->idCpu, Address.Sel,
527	DBGFSELQI_FLAGS_DT_GUEST \| DBGFSELQI_FLAGS_DT_ADJ_64BIT_MODE, &SelInfo);
528	if (RT_SUCCESS(rc))
529	{
530	RTGCUINTPTR cb; /* -1 byte */
531	if (DBGFSelInfoIsExpandDown(&SelInfo))
532	{
533	if ( !SelInfo.u.Raw.Gen.u1Granularity
534	&& Address.off > UINT16_C(0xffff))
535	return VERR_OUT_OF_SELECTOR_BOUNDS;
536	if (Address.off <= SelInfo.cbLimit)
537	return VERR_OUT_OF_SELECTOR_BOUNDS;
538	cb = (SelInfo.u.Raw.Gen.u1Granularity ? UINT32_C(0xffffffff) : UINT32_C(0xffff)) - Address.off;
539	}
540	else
541	{
542	if (Address.off > SelInfo.cbLimit)
543	return VERR_OUT_OF_SELECTOR_BOUNDS;
544	cb = SelInfo.cbLimit - Address.off;
545	}
546	if (cbWrite - 1 > cb)
547	{
548	if (!pcbWritten)
549	return VERR_OUT_OF_SELECTOR_BOUNDS;
550	cbWrite = cb + 1;
551	}
552	}
553	}
554	Var.enmType = DBGCVAR_TYPE_GC_FLAT;
555	Var.u.GCFlat = Address.FlatPtr;
556	}
557	/* fall thru */
558	case DBGCVAR_TYPE_GC_FLAT:
559	rc = DBGFR3MemWrite(pDbgc->pUVM, pDbgc->idCpu,
560	DBGFR3AddrFromFlat(pDbgc->pUVM, &Address, Var.u.GCFlat),
561	pvBuffer, cbWrite);
562	if (pcbWritten && RT_SUCCESS(rc))
563	*pcbWritten = cbWrite;
564	return rc;
565
566	case DBGCVAR_TYPE_GC_PHYS:
567	rc = DBGFR3MemWrite(pDbgc->pUVM, pDbgc->idCpu,
568	DBGFR3AddrFromPhys(pDbgc->pUVM, &Address, Var.u.GCPhys),
569	pvBuffer, cbWrite);
570	if (pcbWritten && RT_SUCCESS(rc))
571	*pcbWritten = cbWrite;
572	return rc;
573
574	case DBGCVAR_TYPE_HC_FLAT:
575	case DBGCVAR_TYPE_HC_PHYS:
576	{
577	/*
578	* Copy HC memory page by page.
579	*/
580	if (pcbWritten)
581	*pcbWritten = 0;
582	while (cbWrite > 0)
583	{
584	/* convert to flat address */
585	DBGCVAR Var2;
586	rc = dbgcOpAddrFlat(pDbgc, &Var, DBGCVAR_CAT_ANY, &Var2);
587	if (RT_FAILURE(rc))
588	{
589	if (pcbWritten && *pcbWritten)
590	return -VERR_INVALID_POINTER;
591	return VERR_INVALID_POINTER;
592	}
593
594	/* calc size. */
595	size_t cbChunk = PAGE_SIZE;
596	cbChunk -= (uintptr_t)Var.u.pvHCFlat & PAGE_OFFSET_MASK;
597	if (cbChunk > cbWrite)
598	cbChunk = cbWrite;
599
600	/** @todo protect this!!! */
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	default:
618	return VERR_NOT_IMPLEMENTED;
619	}
620	}
621
622
623	/**
624	* @interface_method_impl{DBGCCMDHLP,pfnExec}
625	*/
626	static DECLCALLBACK(int) dbgcHlpExec(PDBGCCMDHLP pCmdHlp, const char *pszExpr, ...)
627	{
628	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
629	/* Save the scratch state. */
630	char *pszScratch = pDbgc->pszScratch;
631	unsigned iArg = pDbgc->iArg;
632
633	/*
634	* Format the expression.
635	*/
636	va_list args;
637	va_start(args, pszExpr);
638	size_t cbScratch = sizeof(pDbgc->achScratch) - (pDbgc->pszScratch - &pDbgc->achScratch[0]);
639	size_t cb = RTStrPrintfExV(dbgcStringFormatter, pDbgc, pDbgc->pszScratch, cbScratch, pszExpr, args);
640	va_end(args);
641	if (cb >= cbScratch)
642	return VERR_BUFFER_OVERFLOW;
643
644	/*
645	* Execute the command.
646	* We save and restore the arg index and scratch buffer pointer.
647	*/
648	pDbgc->pszScratch = pDbgc->pszScratch + cb + 1;
649	int rc = dbgcEvalCommand(pDbgc, pszScratch, cb, false /* fNoExecute */);
650
651	/* Restore the scratch state. */
652	pDbgc->iArg = iArg;
653	pDbgc->pszScratch = pszScratch;
654
655	return rc;
656	}
657
658
659	/**
660	* @interface_method_impl{DBGCCMDHLP,pfnEvalV}
661	*/
662	static DECLCALLBACK(int) dbgcHlpEvalV(PDBGCCMDHLP pCmdHlp, PDBGCVAR pResult, const char *pszExpr, va_list va)
663	{
664	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
665
666	/*
667	* Format the expression.
668	*/
669	char szExprFormatted[2048];
670	size_t cb = RTStrPrintfExV(dbgcStringFormatter, pDbgc, szExprFormatted, sizeof(szExprFormatted), pszExpr, va);
671	/* ignore overflows. */
672
673	return dbgcEvalSub(pDbgc, &szExprFormatted[0], cb, DBGCVAR_CAT_ANY, pResult);
674	}
675
676
677	/**
678	* @interface_method_impl{DBGCCMDHLP,pfnFailV}
679	*/
680	static DECLCALLBACK(int) dbgcHlpFailV(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, const char *pszFormat, va_list va)
681	{
682	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
683
684	/*
685	* Do the formatting and output.
686	*/
687	pDbgc->rcOutput = VINF_SUCCESS;
688	RTStrFormat(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, "%s: error: ", pCmd->pszCmd);
689	if (RT_FAILURE(pDbgc->rcOutput))
690	return pDbgc->rcOutput;
691	RTStrFormatV(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, pszFormat, va);
692	if (RT_FAILURE(pDbgc->rcOutput))
693	return pDbgc->rcOutput;
694	if (pDbgc->chLastOutput != '\n')
695	dbgcFormatOutput(pDbgc, "\n", 1);
696	return VERR_DBGC_COMMAND_FAILED;
697	}
698
699
700	/**
701	* @interface_method_impl{DBGCCMDHLP,pfnFailV}
702	*/
703	static DECLCALLBACK(int) dbgcHlpFailRcV(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, int rc, const char *pszFormat, va_list va)
704	{
705	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
706
707	/*
708	* Do the formatting and output.
709	*/
710	pDbgc->rcOutput = VINF_SUCCESS;
711	RTStrFormat(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, "%s: error: ", pCmd->pszCmd);
712	if (RT_FAILURE(pDbgc->rcOutput))
713	return pDbgc->rcOutput;
714	RTStrFormatV(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, pszFormat, va);
715	if (RT_FAILURE(pDbgc->rcOutput))
716	return pDbgc->rcOutput;
717	RTStrFormat(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, ": %Rrc\n", rc);
718	if (RT_FAILURE(pDbgc->rcOutput))
719	return pDbgc->rcOutput;
720
721	return VERR_DBGC_COMMAND_FAILED;
722	}
723
724
725	/**
726	* @interface_method_impl{DBGCCMDHLP,pfnParserError}
727	*/
728	static DECLCALLBACK(int) dbgcHlpParserError(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, int iArg, const char *pszExpr, unsigned iLine)
729	{
730	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
731
732	/*
733	* Do the formatting and output.
734	*/
735	pDbgc->rcOutput = VINF_SUCCESS;
736	RTStrFormat(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, "%s: parser error: iArg=%d iLine=%u pszExpr=%s\n",
737	pCmd->pszCmd, iArg, iLine, pszExpr);
738	if (RT_FAILURE(pDbgc->rcOutput))
739	return pDbgc->rcOutput;
740	return VERR_DBGC_COMMAND_FAILED;
741	}
742
743
744	/**
745	* @interface_method_impl{DBGCCMDHLP,pfnVarToDbgfAddr}
746	*/
747	static DECLCALLBACK(int) dbgcHlpVarToDbgfAddr(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, PDBGFADDRESS pAddress)
748	{
749	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
750	AssertPtr(pVar);
751	AssertPtr(pAddress);
752
753	switch (pVar->enmType)
754	{
755	case DBGCVAR_TYPE_GC_FLAT:
756	DBGFR3AddrFromFlat(pDbgc->pUVM, pAddress, pVar->u.GCFlat);
757	return VINF_SUCCESS;
758
759	case DBGCVAR_TYPE_NUMBER:
760	DBGFR3AddrFromFlat(pDbgc->pUVM, pAddress, (RTGCUINTPTR)pVar->u.u64Number);
761	return VINF_SUCCESS;
762
763	case DBGCVAR_TYPE_GC_FAR:
764	return DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, pAddress, pVar->u.GCFar.sel, pVar->u.GCFar.off);
765
766	case DBGCVAR_TYPE_GC_PHYS:
767	DBGFR3AddrFromPhys(pDbgc->pUVM, pAddress, pVar->u.GCPhys);
768	return VINF_SUCCESS;
769
770	case DBGCVAR_TYPE_SYMBOL:
771	{
772	DBGCVAR Var;
773	int rc = DBGCCmdHlpEval(&pDbgc->CmdHlp, &Var, "%%(%DV)", pVar);
774	if (RT_FAILURE(rc))
775	return rc;
776	return dbgcHlpVarToDbgfAddr(pCmdHlp, &Var, pAddress);
777	}
778
779	case DBGCVAR_TYPE_STRING:
780	case DBGCVAR_TYPE_HC_FLAT:
781	case DBGCVAR_TYPE_HC_PHYS:
782	default:
783	return VERR_DBGC_PARSE_CONVERSION_FAILED;
784	}
785	}
786
787
788	/**
789	* @interface_method_impl{DBGCCMDHLP,pfnVarFromDbgfAddr}
790	*/
791	static DECLCALLBACK(int) dbgcHlpVarFromDbgfAddr(PDBGCCMDHLP pCmdHlp, PCDBGFADDRESS pAddress, PDBGCVAR pResult)
792	{
793	AssertPtrReturn(pAddress, VERR_INVALID_POINTER);
794	AssertReturn(DBGFADDRESS_IS_VALID(pAddress), VERR_INVALID_PARAMETER);
795	AssertPtrReturn(pResult, VERR_INVALID_POINTER);
796
797	switch (pAddress->fFlags & DBGFADDRESS_FLAGS_TYPE_MASK)
798	{
799	case DBGFADDRESS_FLAGS_FAR16:
800	case DBGFADDRESS_FLAGS_FAR32:
801	case DBGFADDRESS_FLAGS_FAR64:
802	DBGCVAR_INIT_GC_FAR(pResult, pAddress->Sel, pAddress->off);
803	break;
804
805	case DBGFADDRESS_FLAGS_FLAT:
806	DBGCVAR_INIT_GC_FLAT(pResult, pAddress->FlatPtr);
807	break;
808
809	case DBGFADDRESS_FLAGS_PHYS:
810	DBGCVAR_INIT_GC_PHYS(pResult, pAddress->FlatPtr);
811	break;
812
813	default:
814	DBGCVAR_INIT(pResult);
815	AssertMsgFailedReturn(("%#x\n", pAddress->fFlags), VERR_INVALID_PARAMETER);
816	break;
817	}
818
819	return VINF_SUCCESS;
820	}
821
822
823	/**
824	* @interface_method_impl{DBGCCMDHLP,pfnVarToNumber}
825	*/
826	static DECLCALLBACK(int) dbgcHlpVarToNumber(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, uint64_t *pu64Number)
827	{
828	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
829	NOREF(pDbgc);
830
831	uint64_t u64Number;
832	switch (pVar->enmType)
833	{
834	case DBGCVAR_TYPE_GC_FLAT:
835	u64Number = pVar->u.GCFlat;
836	break;
837	case DBGCVAR_TYPE_GC_PHYS:
838	u64Number = pVar->u.GCPhys;
839	break;
840	case DBGCVAR_TYPE_HC_FLAT:
841	u64Number = (uintptr_t)pVar->u.pvHCFlat;
842	break;
843	case DBGCVAR_TYPE_HC_PHYS:
844	u64Number = (uintptr_t)pVar->u.HCPhys;
845	break;
846	case DBGCVAR_TYPE_NUMBER:
847	u64Number = (uintptr_t)pVar->u.u64Number;
848	break;
849	case DBGCVAR_TYPE_GC_FAR:
850	u64Number = (uintptr_t)pVar->u.GCFar.off;
851	break;
852	case DBGCVAR_TYPE_SYMBOL:
853	/** @todo try convert as symbol? */
854	case DBGCVAR_TYPE_STRING:
855	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE; /** @todo better error code! */
856	default:
857	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
858	}
859	*pu64Number = u64Number;
860	return VINF_SUCCESS;
861	}
862
863
864	/**
865	* @interface_method_impl{DBGCCMDHLP,pfnVarToBool}
866	*/
867	static DECLCALLBACK(int) dbgcHlpVarToBool(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, bool *pf)
868	{
869	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
870	NOREF(pDbgc);
871
872	switch (pVar->enmType)
873	{
874	case DBGCVAR_TYPE_SYMBOL:
875	case DBGCVAR_TYPE_STRING:
876	if ( !RTStrICmp(pVar->u.pszString, "true")
877	\|\| !RTStrICmp(pVar->u.pszString, "on")
878	\|\| !RTStrICmp(pVar->u.pszString, "no")
879	\|\| !RTStrICmp(pVar->u.pszString, "enabled"))
880	{
881	*pf = true;
882	return VINF_SUCCESS;
883	}
884	if ( !RTStrICmp(pVar->u.pszString, "false")
885	\|\| !RTStrICmp(pVar->u.pszString, "off")
886	\|\| !RTStrICmp(pVar->u.pszString, "yes")
887	\|\| !RTStrICmp(pVar->u.pszString, "disabled"))
888	{
889	*pf = false;
890	return VINF_SUCCESS;
891	}
892	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE; /** @todo better error code! */
893
894	case DBGCVAR_TYPE_GC_FLAT:
895	case DBGCVAR_TYPE_GC_PHYS:
896	case DBGCVAR_TYPE_HC_FLAT:
897	case DBGCVAR_TYPE_HC_PHYS:
898	case DBGCVAR_TYPE_NUMBER:
899	*pf = pVar->u.u64Number != 0;
900	return VINF_SUCCESS;
901
902	case DBGCVAR_TYPE_GC_FAR:
903	default:
904	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
905	}
906	}
907
908
909	/**
910	* @interface_method_impl{DBGCCMDHLP,pfnVarGetRange}
911	*/
912	static DECLCALLBACK(int) dbgcHlpVarGetRange(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, uint64_t cbElement, uint64_t cbDefault,
913	uint64_t *pcbRange)
914	{
915	/** @todo implement this properly, strings/symbols are not resolved now. */
916	switch (pVar->enmRangeType)
917	{
918	default:
919	case DBGCVAR_RANGE_NONE:
920	*pcbRange = cbDefault;
921	break;
922	case DBGCVAR_RANGE_BYTES:
923	*pcbRange = pVar->u64Range;
924	break;
925	case DBGCVAR_RANGE_ELEMENTS:
926	pcbRange = pVar->u64Range cbElement;
927	break;
928	}
929	return VINF_SUCCESS;
930	}
931
932
933	/**
934	* @interface_method_impl{DBGCCMDHLP,pfnVarConvert}
935	*/
936	static DECLCALLBACK(int) dbgcHlpVarConvert(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pInVar, DBGCVARTYPE enmToType, bool fConvSyms,
937	PDBGCVAR pResult)
938	{
939	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
940	DBGCVAR const InVar = pInVar; / if pInVar == pResult */
941	PCDBGCVAR pArg = &InVar; /* lazy bird, clean up later */
942	DBGFADDRESS Address;
943	int rc;
944
945	Assert(pDbgc->pUVM);
946
947	*pResult = InVar;
948	switch (InVar.enmType)
949	{
950	case DBGCVAR_TYPE_GC_FLAT:
951	switch (enmToType)
952	{
953	case DBGCVAR_TYPE_GC_FLAT:
954	return VINF_SUCCESS;
955
956	case DBGCVAR_TYPE_GC_FAR:
957	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
958
959	case DBGCVAR_TYPE_GC_PHYS:
960	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
961	rc = DBGFR3AddrToPhys(pDbgc->pUVM, pDbgc->idCpu,
962	DBGFR3AddrFromFlat(pDbgc->pUVM, &Address, pArg->u.GCFlat),
963	&pResult->u.GCPhys);
964	if (RT_SUCCESS(rc))
965	return VINF_SUCCESS;
966	return VERR_DBGC_PARSE_CONVERSION_FAILED;
967
968	case DBGCVAR_TYPE_HC_FLAT:
969	pResult->enmType = DBGCVAR_TYPE_HC_FLAT;
970	rc = DBGFR3AddrToVolatileR3Ptr(pDbgc->pUVM, pDbgc->idCpu,
971	DBGFR3AddrFromFlat(pDbgc->pUVM, &Address, pArg->u.GCFlat),
972	false /fReadOnly /,
973	&pResult->u.pvHCFlat);
974	if (RT_SUCCESS(rc))
975	return VINF_SUCCESS;
976	return VERR_DBGC_PARSE_CONVERSION_FAILED;
977
978	case DBGCVAR_TYPE_HC_PHYS:
979	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
980	rc = DBGFR3AddrToHostPhys(pDbgc->pUVM, pDbgc->idCpu,
981	DBGFR3AddrFromFlat(pDbgc->pUVM, &Address, pArg->u.GCFlat),
982	&pResult->u.GCPhys);
983	if (RT_SUCCESS(rc))
984	return VINF_SUCCESS;
985	return VERR_DBGC_PARSE_CONVERSION_FAILED;
986
987	case DBGCVAR_TYPE_NUMBER:
988	pResult->enmType = enmToType;
989	pResult->u.u64Number = InVar.u.GCFlat;
990	return VINF_SUCCESS;
991
992	case DBGCVAR_TYPE_STRING:
993	case DBGCVAR_TYPE_SYMBOL:
994	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
995
996	case DBGCVAR_TYPE_UNKNOWN:
997	case DBGCVAR_TYPE_ANY:
998	break;
999	}
1000	break;
1001
1002	case DBGCVAR_TYPE_GC_FAR:
1003	switch (enmToType)
1004	{
1005	case DBGCVAR_TYPE_GC_FLAT:
1006	rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off);
1007	if (RT_SUCCESS(rc))
1008	{
1009	pResult->enmType = DBGCVAR_TYPE_GC_FLAT;
1010	pResult->u.GCFlat = Address.FlatPtr;
1011	return VINF_SUCCESS;
1012	}
1013	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1014
1015	case DBGCVAR_TYPE_GC_FAR:
1016	return VINF_SUCCESS;
1017
1018	case DBGCVAR_TYPE_GC_PHYS:
1019	rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off);
1020	if (RT_SUCCESS(rc))
1021	{
1022	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
1023	rc = DBGFR3AddrToPhys(pDbgc->pUVM, pDbgc->idCpu, &Address, &pResult->u.GCPhys);
1024	if (RT_SUCCESS(rc))
1025	return VINF_SUCCESS;
1026	}
1027	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1028
1029	case DBGCVAR_TYPE_HC_FLAT:
1030	rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off);
1031	if (RT_SUCCESS(rc))
1032	{
1033	pResult->enmType = DBGCVAR_TYPE_HC_FLAT;
1034	rc = DBGFR3AddrToVolatileR3Ptr(pDbgc->pUVM, pDbgc->idCpu, &Address,
1035	false /fReadOnly/, &pResult->u.pvHCFlat);
1036	if (RT_SUCCESS(rc))
1037	return VINF_SUCCESS;
1038	}
1039	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1040
1041	case DBGCVAR_TYPE_HC_PHYS:
1042	rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off);
1043	if (RT_SUCCESS(rc))
1044	{
1045	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
1046	rc = DBGFR3AddrToHostPhys(pDbgc->pUVM, pDbgc->idCpu, &Address, &pResult->u.GCPhys);
1047	if (RT_SUCCESS(rc))
1048	return VINF_SUCCESS;
1049	}
1050	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1051
1052	case DBGCVAR_TYPE_NUMBER:
1053	pResult->enmType = enmToType;
1054	pResult->u.u64Number = InVar.u.GCFar.off;
1055	return VINF_SUCCESS;
1056
1057	case DBGCVAR_TYPE_STRING:
1058	case DBGCVAR_TYPE_SYMBOL:
1059	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1060
1061	case DBGCVAR_TYPE_UNKNOWN:
1062	case DBGCVAR_TYPE_ANY:
1063	break;
1064	}
1065	break;
1066
1067	case DBGCVAR_TYPE_GC_PHYS:
1068	switch (enmToType)
1069	{
1070	case DBGCVAR_TYPE_GC_FLAT:
1071	//rc = MMR3PhysGCPhys2GCVirtEx(pDbgc->pVM, pResult->u.GCPhys, ..., &pResult->u.GCFlat); - yea, sure.
1072	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1073
1074	case DBGCVAR_TYPE_GC_FAR:
1075	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1076
1077	case DBGCVAR_TYPE_GC_PHYS:
1078	return VINF_SUCCESS;
1079
1080	case DBGCVAR_TYPE_HC_FLAT:
1081	pResult->enmType = DBGCVAR_TYPE_HC_FLAT;
1082	rc = DBGFR3AddrToVolatileR3Ptr(pDbgc->pUVM, pDbgc->idCpu,
1083	DBGFR3AddrFromPhys(pDbgc->pUVM, &Address, pArg->u.GCPhys),
1084	false /fReadOnly /,
1085	&pResult->u.pvHCFlat);
1086	if (RT_SUCCESS(rc))
1087	return VINF_SUCCESS;
1088	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1089
1090	case DBGCVAR_TYPE_HC_PHYS:
1091	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
1092	rc = DBGFR3AddrToHostPhys(pDbgc->pUVM, pDbgc->idCpu,
1093	DBGFR3AddrFromPhys(pDbgc->pUVM, &Address, pArg->u.GCPhys),
1094	&pResult->u.HCPhys);
1095	if (RT_SUCCESS(rc))
1096	return VINF_SUCCESS;
1097	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1098
1099	case DBGCVAR_TYPE_NUMBER:
1100	pResult->enmType = enmToType;
1101	pResult->u.u64Number = InVar.u.GCPhys;
1102	return VINF_SUCCESS;
1103
1104	case DBGCVAR_TYPE_STRING:
1105	case DBGCVAR_TYPE_SYMBOL:
1106	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1107
1108	case DBGCVAR_TYPE_UNKNOWN:
1109	case DBGCVAR_TYPE_ANY:
1110	break;
1111	}
1112	break;
1113
1114	case DBGCVAR_TYPE_HC_FLAT:
1115	switch (enmToType)
1116	{
1117	case DBGCVAR_TYPE_GC_FLAT:
1118	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1119
1120	case DBGCVAR_TYPE_GC_FAR:
1121	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1122
1123	case DBGCVAR_TYPE_GC_PHYS:
1124	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
1125	rc = PGMR3DbgR3Ptr2GCPhys(pDbgc->pUVM, pArg->u.pvHCFlat, &pResult->u.GCPhys);
1126	if (RT_SUCCESS(rc))
1127	return VINF_SUCCESS;
1128	/** @todo more memory types! */
1129	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1130
1131	case DBGCVAR_TYPE_HC_FLAT:
1132	return VINF_SUCCESS;
1133
1134	case DBGCVAR_TYPE_HC_PHYS:
1135	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
1136	rc = PGMR3DbgR3Ptr2HCPhys(pDbgc->pUVM, pArg->u.pvHCFlat, &pResult->u.HCPhys);
1137	if (RT_SUCCESS(rc))
1138	return VINF_SUCCESS;
1139	/** @todo more memory types! */
1140	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1141
1142	case DBGCVAR_TYPE_NUMBER:
1143	pResult->enmType = enmToType;
1144	pResult->u.u64Number = (uintptr_t)InVar.u.pvHCFlat;
1145	return VINF_SUCCESS;
1146
1147	case DBGCVAR_TYPE_STRING:
1148	case DBGCVAR_TYPE_SYMBOL:
1149	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1150
1151	case DBGCVAR_TYPE_UNKNOWN:
1152	case DBGCVAR_TYPE_ANY:
1153	break;
1154	}
1155	break;
1156
1157	case DBGCVAR_TYPE_HC_PHYS:
1158	switch (enmToType)
1159	{
1160	case DBGCVAR_TYPE_GC_FLAT:
1161	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1162
1163	case DBGCVAR_TYPE_GC_FAR:
1164	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1165
1166	case DBGCVAR_TYPE_GC_PHYS:
1167	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
1168	rc = PGMR3DbgHCPhys2GCPhys(pDbgc->pUVM, pArg->u.HCPhys, &pResult->u.GCPhys);
1169	if (RT_SUCCESS(rc))
1170	return VINF_SUCCESS;
1171	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1172
1173	case DBGCVAR_TYPE_HC_FLAT:
1174	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1175
1176	case DBGCVAR_TYPE_HC_PHYS:
1177	return VINF_SUCCESS;
1178
1179	case DBGCVAR_TYPE_NUMBER:
1180	pResult->enmType = enmToType;
1181	pResult->u.u64Number = InVar.u.HCPhys;
1182	return VINF_SUCCESS;
1183
1184	case DBGCVAR_TYPE_STRING:
1185	case DBGCVAR_TYPE_SYMBOL:
1186	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1187
1188	case DBGCVAR_TYPE_UNKNOWN:
1189	case DBGCVAR_TYPE_ANY:
1190	break;
1191	}
1192	break;
1193
1194	case DBGCVAR_TYPE_NUMBER:
1195	switch (enmToType)
1196	{
1197	case DBGCVAR_TYPE_GC_FLAT:
1198	pResult->enmType = DBGCVAR_TYPE_GC_FLAT;
1199	pResult->u.GCFlat = (RTGCPTR)InVar.u.u64Number;
1200	return VINF_SUCCESS;
1201
1202	case DBGCVAR_TYPE_GC_FAR:
1203	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1204
1205	case DBGCVAR_TYPE_GC_PHYS:
1206	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
1207	pResult->u.GCPhys = (RTGCPHYS)InVar.u.u64Number;
1208	return VINF_SUCCESS;
1209
1210	case DBGCVAR_TYPE_HC_FLAT:
1211	pResult->enmType = DBGCVAR_TYPE_HC_FLAT;
1212	pResult->u.pvHCFlat = (void *)(uintptr_t)InVar.u.u64Number;
1213	return VINF_SUCCESS;
1214
1215	case DBGCVAR_TYPE_HC_PHYS:
1216	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
1217	pResult->u.HCPhys = (RTHCPHYS)InVar.u.u64Number;
1218	return VINF_SUCCESS;
1219
1220	case DBGCVAR_TYPE_NUMBER:
1221	return VINF_SUCCESS;
1222
1223	case DBGCVAR_TYPE_STRING:
1224	case DBGCVAR_TYPE_SYMBOL:
1225	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1226
1227	case DBGCVAR_TYPE_UNKNOWN:
1228	case DBGCVAR_TYPE_ANY:
1229	break;
1230	}
1231	break;
1232
1233	case DBGCVAR_TYPE_SYMBOL:
1234	case DBGCVAR_TYPE_STRING:
1235	switch (enmToType)
1236	{
1237	case DBGCVAR_TYPE_GC_FLAT:
1238	case DBGCVAR_TYPE_GC_FAR:
1239	case DBGCVAR_TYPE_GC_PHYS:
1240	case DBGCVAR_TYPE_HC_FLAT:
1241	case DBGCVAR_TYPE_HC_PHYS:
1242	case DBGCVAR_TYPE_NUMBER:
1243	if (fConvSyms)
1244	{
1245	rc = dbgcSymbolGet(pDbgc, InVar.u.pszString, enmToType, pResult);
1246	if (RT_SUCCESS(rc))
1247	return VINF_SUCCESS;
1248	}
1249	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1250
1251	case DBGCVAR_TYPE_STRING:
1252	case DBGCVAR_TYPE_SYMBOL:
1253	pResult->enmType = enmToType;
1254	return VINF_SUCCESS;
1255
1256	case DBGCVAR_TYPE_UNKNOWN:
1257	case DBGCVAR_TYPE_ANY:
1258	break;
1259	}
1260	break;
1261
1262	case DBGCVAR_TYPE_UNKNOWN:
1263	case DBGCVAR_TYPE_ANY:
1264	break;
1265	}
1266
1267	AssertMsgFailed(("f=%d t=%d\n", InVar.enmType, enmToType));
1268	return VERR_INVALID_PARAMETER;
1269	}
1270
1271
1272	/**
1273	* @interface_method_impl{DBGFINFOHLP,pfnPrintf}
1274	*/
1275	static DECLCALLBACK(void) dbgcHlpGetDbgfOutputHlp_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
1276	{
1277	PDBGC pDbgc = RT_FROM_MEMBER(pHlp, DBGC, DbgfOutputHlp);
1278	va_list va;
1279	va_start(va, pszFormat);
1280	pDbgc->CmdHlp.pfnPrintfV(&pDbgc->CmdHlp, NULL, pszFormat, va);
1281	va_end(va);
1282	}
1283
1284
1285	/**
1286	* @interface_method_impl{DBGFINFOHLP,pfnPrintfV}
1287	*/
1288	static DECLCALLBACK(void) dbgcHlpGetDbgfOutputHlp_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
1289	{
1290	PDBGC pDbgc = RT_FROM_MEMBER(pHlp, DBGC, DbgfOutputHlp);
1291	pDbgc->CmdHlp.pfnPrintfV(&pDbgc->CmdHlp, NULL, pszFormat, args);
1292	}
1293
1294
1295	/**
1296	* @interface_method_impl{DBGCCMDHLP,pfnGetDbgfOutputHlp}
1297	*/
1298	static DECLCALLBACK(PCDBGFINFOHLP) dbgcHlpGetDbgfOutputHlp(PDBGCCMDHLP pCmdHlp)
1299	{
1300	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1301
1302	/* Lazy init */
1303	if (!pDbgc->DbgfOutputHlp.pfnPrintf)
1304	{
1305	pDbgc->DbgfOutputHlp.pfnPrintf = dbgcHlpGetDbgfOutputHlp_Printf;
1306	pDbgc->DbgfOutputHlp.pfnPrintfV = dbgcHlpGetDbgfOutputHlp_PrintfV;
1307	}
1308
1309	return &pDbgc->DbgfOutputHlp;
1310	}
1311
1312
1313	/**
1314	* @interface_method_impl{DBGCCMDHLP,pfnGetCurrentCpu}
1315	*/
1316	static DECLCALLBACK(VMCPUID) dbgcHlpGetCurrentCpu(PDBGCCMDHLP pCmdHlp)
1317	{
1318	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1319	return pDbgc->idCpu;
1320	}
1321
1322
1323	/**
1324	* @interface_method_impl{DBGCCMDHLP,pfnGetCpuMode}
1325	*/
1326	static DECLCALLBACK(CPUMMODE) dbgcHlpGetCpuMode(PDBGCCMDHLP pCmdHlp)
1327	{
1328	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1329	CPUMMODE enmMode = CPUMMODE_INVALID;
1330	if (pDbgc->fRegCtxGuest)
1331	{
1332	if (pDbgc->pUVM)
1333	enmMode = DBGFR3CpuGetMode(pDbgc->pUVM, DBGCCmdHlpGetCurrentCpu(pCmdHlp));
1334	if (enmMode == CPUMMODE_INVALID)
1335	#if HC_ARCH_BITS == 64
1336	enmMode = CPUMMODE_LONG;
1337	#else
1338	enmMode = CPUMMODE_PROTECTED;
1339	#endif
1340	}
1341	else
1342	enmMode = CPUMMODE_PROTECTED;
1343	return enmMode;
1344	}
1345
1346
1347	/**
1348	* Initializes the Command Helpers for a DBGC instance.
1349	*
1350	* @param pDbgc Pointer to the DBGC instance.
1351	*/
1352	void dbgcInitCmdHlp(PDBGC pDbgc)
1353	{
1354	pDbgc->CmdHlp.u32Magic = DBGCCMDHLP_MAGIC;
1355	pDbgc->CmdHlp.pfnPrintfV = dbgcHlpPrintfV;
1356	pDbgc->CmdHlp.pfnPrintf = dbgcHlpPrintf;
1357	pDbgc->CmdHlp.pfnStrPrintf = dbgcHlpStrPrintf;
1358	pDbgc->CmdHlp.pfnStrPrintfV = dbgcHlpStrPrintfV;
1359	pDbgc->CmdHlp.pfnVBoxErrorV = dbgcHlpVBoxErrorV;
1360	pDbgc->CmdHlp.pfnVBoxError = dbgcHlpVBoxError;
1361	pDbgc->CmdHlp.pfnMemRead = dbgcHlpMemRead;
1362	pDbgc->CmdHlp.pfnMemWrite = dbgcHlpMemWrite;
1363	pDbgc->CmdHlp.pfnEvalV = dbgcHlpEvalV;
1364	pDbgc->CmdHlp.pfnExec = dbgcHlpExec;
1365	pDbgc->CmdHlp.pfnFailV = dbgcHlpFailV;
1366	pDbgc->CmdHlp.pfnFailRcV = dbgcHlpFailRcV;
1367	pDbgc->CmdHlp.pfnParserError = dbgcHlpParserError;
1368	pDbgc->CmdHlp.pfnVarToDbgfAddr = dbgcHlpVarToDbgfAddr;
1369	pDbgc->CmdHlp.pfnVarFromDbgfAddr = dbgcHlpVarFromDbgfAddr;
1370	pDbgc->CmdHlp.pfnVarToNumber = dbgcHlpVarToNumber;
1371	pDbgc->CmdHlp.pfnVarToBool = dbgcHlpVarToBool;
1372	pDbgc->CmdHlp.pfnVarGetRange = dbgcHlpVarGetRange;
1373	pDbgc->CmdHlp.pfnVarConvert = dbgcHlpVarConvert;
1374	pDbgc->CmdHlp.pfnGetDbgfOutputHlp = dbgcHlpGetDbgfOutputHlp;
1375	pDbgc->CmdHlp.pfnGetCurrentCpu = dbgcHlpGetCurrentCpu;
1376	pDbgc->CmdHlp.pfnGetCpuMode = dbgcHlpGetCpuMode;
1377	pDbgc->CmdHlp.u32EndMarker = DBGCCMDHLP_MAGIC;
1378	}
1379

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source: vbox/trunk/src/VBox/Debugger/DBGCCmdHlp.cpp@ 60550

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