DBGCCmdHlp.cpp@ 41889

Last change on this file since 41889 was 41573, checked in by vboxsync, 13 years ago
DBGC: Working on making STRING the inflexible type and SYMBOL the flexible one.
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1	/* $Id: DBGCCmdHlp.cpp 41573 2012-06-04 21:13:23Z vboxsync $ */
2	/** @file
3	* DBGC - Debugger Console, Command Helpers.
4	*/
5
6	/*
7	* Copyright (C) 2006-2012 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	* Header Files *
20	*******************************************************************************/
21	#define LOG_GROUP LOG_GROUP_DBGC
22	#include <VBox/dbg.h>
23	#include <VBox/vmm/dbgf.h>
24	#include <VBox/vmm/pgm.h>
25	#include <VBox/param.h>
26	#include <VBox/err.h>
27	#include <VBox/log.h>
28
29	#include <iprt/assert.h>
30	#include <iprt/ctype.h>
31	#include <iprt/mem.h>
32	#include <iprt/string.h>
33
34	#include "DBGCInternal.h"
35
36
37
38	/**
39	* @interface_method_impl{DBGCCMDHLP,pfnPrintf}
40	*/
41	static DECLCALLBACK(int) dbgcHlpPrintf(PDBGCCMDHLP pCmdHlp, size_t pcbWritten, const char pszFormat, ...)
42	{
43	/*
44	* Do the formatting and output.
45	*/
46	va_list args;
47	va_start(args, pszFormat);
48	int rc = pCmdHlp->pfnPrintfV(pCmdHlp, pcbWritten, pszFormat, args);
49	va_end(args);
50
51	return rc;
52	}
53
54
55	/**
56	* Outputs a string in quotes.
57	*
58	* @returns The number of bytes formatted.
59	* @param pfnOutput Pointer to output function.
60	* @param pvArgOutput Argument for the output function.
61	* @param chQuote The quote character.
62	* @param psz The string to quote.
63	* @param cch The string length.
64	*/
65	static size_t dbgcStringOutputInQuotes(PFNRTSTROUTPUT pfnOutput, void pvArgOutput, char chQuote, const char psz, size_t cch)
66	{
67	size_t cchOutput = pfnOutput(pvArgOutput, &chQuote, 1);
68
69	while (cch > 0)
70	{
71	char pchQuote = (char )memchr(psz, chQuote, cch);
72	if (!pchQuote)
73	{
74	cchOutput += pfnOutput(pvArgOutput, psz, cch);
75	break;
76	}
77	size_t cchSub = pchQuote - psz + 1;
78	cchOutput += pfnOutput(pvArgOutput, psz, cchSub);
79	cchOutput += pfnOutput(pvArgOutput, &chQuote, 1);
80	cchSub -= cchSub;
81	psz += cchSub;
82	}
83
84	cchOutput += pfnOutput(pvArgOutput, &chQuote, 1);
85	return cchOutput;
86	}
87
88
89	/**
90	* Callback to format non-standard format specifiers, employed by dbgcPrintfV
91	* and others.
92	*
93	* @returns The number of bytes formatted.
94	* @param pvArg Formatter argument.
95	* @param pfnOutput Pointer to output function.
96	* @param pvArgOutput Argument for the output function.
97	* @param ppszFormat Pointer to the format string pointer. Advance this till the char
98	* after the format specifier.
99	* @param pArgs Pointer to the argument list. Use this to fetch the arguments.
100	* @param cchWidth Format Width. -1 if not specified.
101	* @param cchPrecision Format Precision. -1 if not specified.
102	* @param fFlags Flags (RTSTR_NTFS_*).
103	* @param chArgSize The argument size specifier, 'l' or 'L'.
104	*/
105	static DECLCALLBACK(size_t) dbgcStringFormatter(void pvArg, PFNRTSTROUTPUT pfnOutput, void pvArgOutput,
106	const char *ppszFormat, va_list pArgs, int cchWidth,
107	int cchPrecision, unsigned fFlags, char chArgSize)
108	{
109	NOREF(cchWidth); NOREF(cchPrecision); NOREF(fFlags); NOREF(chArgSize); NOREF(pvArg);
110	if (**ppszFormat != 'D')
111	{
112	(*ppszFormat)++;
113	return 0;
114	}
115
116	(*ppszFormat)++;
117	switch (**ppszFormat)
118	{
119	/*
120	* Print variable without range.
121	* The argument is a const pointer to the variable.
122	*/
123	case 'V':
124	{
125	(*ppszFormat)++;
126	PCDBGCVAR pVar = va_arg(*pArgs, PCDBGCVAR);
127	switch (pVar->enmType)
128	{
129	case DBGCVAR_TYPE_GC_FLAT:
130	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%%RGv", pVar->u.GCFlat);
131	case DBGCVAR_TYPE_GC_FAR:
132	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%04x:%08x", pVar->u.GCFar.sel, pVar->u.GCFar.off);
133	case DBGCVAR_TYPE_GC_PHYS:
134	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%%%%RGp", pVar->u.GCPhys);
135	case DBGCVAR_TYPE_HC_FLAT:
136	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%#%RHv", (uintptr_t)pVar->u.pvHCFlat);
137	case DBGCVAR_TYPE_HC_PHYS:
138	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "#%%%%%RHp", pVar->u.HCPhys);
139	case DBGCVAR_TYPE_NUMBER:
140	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%llx", pVar->u.u64Number);
141	case DBGCVAR_TYPE_STRING:
142	return dbgcStringOutputInQuotes(pfnOutput, pvArgOutput, '"', pVar->u.pszString, (size_t)pVar->u64Range);
143	case DBGCVAR_TYPE_SYMBOL:
144	return dbgcStringOutputInQuotes(pfnOutput, pvArgOutput, '\'', pVar->u.pszString, (size_t)pVar->u64Range);
145
146	case DBGCVAR_TYPE_UNKNOWN:
147	default:
148	return pfnOutput(pvArgOutput, "??", 2);
149	}
150	}
151
152	/*
153	* Print variable with range.
154	* The argument is a const pointer to the variable.
155	*/
156	case 'v':
157	{
158	(*ppszFormat)++;
159	PCDBGCVAR pVar = va_arg(*pArgs, PCDBGCVAR);
160
161	char szRange[32];
162	switch (pVar->enmRangeType)
163	{
164	case DBGCVAR_RANGE_NONE:
165	szRange[0] = '\0';
166	break;
167	case DBGCVAR_RANGE_ELEMENTS:
168	RTStrPrintf(szRange, sizeof(szRange), " L %llx", pVar->u64Range);
169	break;
170	case DBGCVAR_RANGE_BYTES:
171	RTStrPrintf(szRange, sizeof(szRange), " LB %llx", pVar->u64Range);
172	break;
173	}
174
175	switch (pVar->enmType)
176	{
177	case DBGCVAR_TYPE_GC_FLAT:
178	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%%RGv%s", pVar->u.GCFlat, szRange);
179	case DBGCVAR_TYPE_GC_FAR:
180	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%04x:%08x%s", pVar->u.GCFar.sel, pVar->u.GCFar.off, szRange);
181	case DBGCVAR_TYPE_GC_PHYS:
182	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%%%%RGp%s", pVar->u.GCPhys, szRange);
183	case DBGCVAR_TYPE_HC_FLAT:
184	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%%#%RHv%s", (uintptr_t)pVar->u.pvHCFlat, szRange);
185	case DBGCVAR_TYPE_HC_PHYS:
186	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "#%%%%%RHp%s", pVar->u.HCPhys, szRange);
187	case DBGCVAR_TYPE_NUMBER:
188	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%llx%s", pVar->u.u64Number, szRange);
189	case DBGCVAR_TYPE_STRING:
190	return dbgcStringOutputInQuotes(pfnOutput, pvArgOutput, '"', pVar->u.pszString, (size_t)pVar->u64Range);
191	case DBGCVAR_TYPE_SYMBOL:
192	return dbgcStringOutputInQuotes(pfnOutput, pvArgOutput, '\'', pVar->u.pszString, (size_t)pVar->u64Range);
193
194	case DBGCVAR_TYPE_UNKNOWN:
195	default:
196	return pfnOutput(pvArgOutput, "??", 2);
197	}
198	}
199
200	default:
201	AssertMsgFailed(("Invalid format type '%s'!\n", **ppszFormat));
202	return 0;
203	}
204	}
205
206
207	/**
208	* Output callback employed by dbgcHlpPrintfV.
209	*
210	* @returns number of bytes written.
211	* @param pvArg User argument.
212	* @param pachChars Pointer to an array of utf-8 characters.
213	* @param cbChars Number of bytes in the character array pointed to by pachChars.
214	*/
215	static DECLCALLBACK(size_t) dbgcFormatOutput(void pvArg, const char pachChars, size_t cbChars)
216	{
217	PDBGC pDbgc = (PDBGC)pvArg;
218	if (cbChars)
219	{
220	int rc = pDbgc->pBack->pfnWrite(pDbgc->pBack, pachChars, cbChars, NULL);
221	if (RT_SUCCESS(rc))
222	pDbgc->chLastOutput = pachChars[cbChars - 1];
223	else
224	{
225	pDbgc->rcOutput = rc;
226	cbChars = 0;
227	}
228	}
229
230	return cbChars;
231	}
232
233
234
235	/**
236	* @interface_method_impl{DBGCCMDHLP,pfnPrintfV}
237	*/
238	static DECLCALLBACK(int) dbgcHlpPrintfV(PDBGCCMDHLP pCmdHlp, size_t pcbWritten, const char pszFormat, va_list args)
239	{
240	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
241
242	/*
243	* Do the formatting and output.
244	*/
245	pDbgc->rcOutput = 0;
246	size_t cb = RTStrFormatV(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, pszFormat, args);
247
248	if (pcbWritten)
249	*pcbWritten = cb;
250
251	return pDbgc->rcOutput;
252	}
253
254
255	/**
256	* @interface_method_impl{DBGCCMDHLP,pfnStrPrintf}
257	*/
258	static DECLCALLBACK(size_t) dbgcHlpStrPrintfV(PDBGCCMDHLP pCmdHlp, char *pszBuf, size_t cbBuf,
259	const char *pszFormat, va_list va)
260	{
261	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
262	return RTStrPrintfExV(dbgcStringFormatter, pDbgc, pszBuf, cbBuf, pszFormat, va);
263	}
264
265
266	/**
267	* @interface_method_impl{DBGCCMDHLP,pfnStrPrintf}
268	*/
269	static DECLCALLBACK(size_t) dbgcHlpStrPrintf(PDBGCCMDHLP pCmdHlp, char pszBuf, size_t cbBuf, const char pszFormat, ...)
270	{
271	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
272	va_list va;
273	va_start(va, pszFormat);
274	size_t cch = RTStrPrintfExV(dbgcStringFormatter, pDbgc, pszBuf, cbBuf, pszFormat, va);
275	va_end(va);
276	return cch;
277	}
278
279
280	/**
281	* @interface_method_impl{DBGCCMDHLP,pfnVBoxErrorV}
282	*/
283	static DECLCALLBACK(int) dbgcHlpVBoxErrorV(PDBGCCMDHLP pCmdHlp, int rc, const char *pszFormat, va_list args)
284	{
285	switch (rc)
286	{
287	case VINF_SUCCESS:
288	break;
289
290	default:
291	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: %Rrc: %s", rc, pszFormat ? " " : "\n");
292	if (RT_SUCCESS(rc) && pszFormat)
293	rc = pCmdHlp->pfnPrintfV(pCmdHlp, NULL, pszFormat, args);
294	if (RT_SUCCESS(rc))
295	rc = VERR_DBGC_COMMAND_FAILED;
296	break;
297	}
298	return rc;
299	}
300
301
302	/**
303	* @interface_method_impl{DBGCCMDHLP,pfnVBoxError}
304	*/
305	static DECLCALLBACK(int) dbgcHlpVBoxError(PDBGCCMDHLP pCmdHlp, int rc, const char *pszFormat, ...)
306	{
307	va_list args;
308	va_start(args, pszFormat);
309	int rcRet = pCmdHlp->pfnVBoxErrorV(pCmdHlp, rc, pszFormat, args);
310	va_end(args);
311	return rcRet;
312	}
313
314
315	/**
316	* @interface_method_impl{DBGCCMDHLP,pfnMemRead}
317	*/
318	static DECLCALLBACK(int) dbgcHlpMemRead(PDBGCCMDHLP pCmdHlp, PVM pVM, void pvBuffer, size_t cbRead, PCDBGCVAR pVarPointer, size_t pcbRead)
319	{
320	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
321	DBGFADDRESS Address;
322	int rc;
323
324	/*
325	* Dummy check.
326	*/
327	if (cbRead == 0)
328	{
329	if (*pcbRead)
330	*pcbRead = 0;
331	return VINF_SUCCESS;
332	}
333
334	/*
335	* Convert Far addresses getting size and the correct base address.
336	* Getting and checking the size is what makes this messy and slow.
337	*/
338	DBGCVAR Var = *pVarPointer;
339	switch (pVarPointer->enmType)
340	{
341	case DBGCVAR_TYPE_GC_FAR:
342	/* Use DBGFR3AddrFromSelOff for the conversion. */
343	Assert(pDbgc->pVM);
344	rc = DBGFR3AddrFromSelOff(pDbgc->pVM, pDbgc->idCpu, &Address, Var.u.GCFar.sel, Var.u.GCFar.off);
345	if (RT_FAILURE(rc))
346	return rc;
347
348	/* don't bother with flat selectors (for now). */
349	if (!DBGFADDRESS_IS_FLAT(&Address))
350	{
351	DBGFSELINFO SelInfo;
352	rc = DBGFR3SelQueryInfo(pDbgc->pVM, pDbgc->idCpu, Address.Sel,
353	DBGFSELQI_FLAGS_DT_GUEST \| DBGFSELQI_FLAGS_DT_ADJ_64BIT_MODE, &SelInfo);
354	if (RT_SUCCESS(rc))
355	{
356	RTGCUINTPTR cb; /* -1 byte */
357	if (DBGFSelInfoIsExpandDown(&SelInfo))
358	{
359	if ( !SelInfo.u.Raw.Gen.u1Granularity
360	&& Address.off > UINT16_C(0xffff))
361	return VERR_OUT_OF_SELECTOR_BOUNDS;
362	if (Address.off <= SelInfo.cbLimit)
363	return VERR_OUT_OF_SELECTOR_BOUNDS;
364	cb = (SelInfo.u.Raw.Gen.u1Granularity ? UINT32_C(0xffffffff) : UINT32_C(0xffff)) - Address.off;
365	}
366	else
367	{
368	if (Address.off > SelInfo.cbLimit)
369	return VERR_OUT_OF_SELECTOR_BOUNDS;
370	cb = SelInfo.cbLimit - Address.off;
371	}
372	if (cbRead - 1 > cb)
373	{
374	if (!pcbRead)
375	return VERR_OUT_OF_SELECTOR_BOUNDS;
376	cbRead = cb + 1;
377	}
378	}
379	}
380	Var.enmType = DBGCVAR_TYPE_GC_FLAT;
381	Var.u.GCFlat = Address.FlatPtr;
382	break;
383
384	case DBGCVAR_TYPE_GC_FLAT:
385	case DBGCVAR_TYPE_GC_PHYS:
386	case DBGCVAR_TYPE_HC_FLAT:
387	case DBGCVAR_TYPE_HC_PHYS:
388	break;
389
390	default:
391	return VERR_NOT_IMPLEMENTED;
392	}
393
394
395
396	/*
397	* Copy page by page.
398	*/
399	size_t cbLeft = cbRead;
400	for (;;)
401	{
402	/*
403	* Calc read size.
404	*/
405	size_t cb = RT_MIN(PAGE_SIZE, cbLeft);
406	switch (pVarPointer->enmType)
407	{
408	case DBGCVAR_TYPE_GC_FLAT: cb = RT_MIN(cb, PAGE_SIZE - (Var.u.GCFlat & PAGE_OFFSET_MASK)); break;
409	case DBGCVAR_TYPE_GC_PHYS: cb = RT_MIN(cb, PAGE_SIZE - (Var.u.GCPhys & PAGE_OFFSET_MASK)); break;
410	case DBGCVAR_TYPE_HC_FLAT: cb = RT_MIN(cb, PAGE_SIZE - ((uintptr_t)Var.u.pvHCFlat & PAGE_OFFSET_MASK)); break;
411	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! */
412	default: break;
413	}
414
415	/*
416	* Perform read.
417	*/
418	switch (Var.enmType)
419	{
420	case DBGCVAR_TYPE_GC_FLAT:
421	rc = DBGFR3MemRead(pDbgc->pVM, pDbgc->idCpu,
422	DBGFR3AddrFromFlat(pVM, &Address, Var.u.GCFlat),
423	pvBuffer, cb);
424	break;
425
426	case DBGCVAR_TYPE_GC_PHYS:
427	rc = DBGFR3MemRead(pDbgc->pVM, pDbgc->idCpu,
428	DBGFR3AddrFromPhys(pVM, &Address, Var.u.GCPhys),
429	pvBuffer, cb);
430	break;
431
432	case DBGCVAR_TYPE_HC_PHYS:
433	case DBGCVAR_TYPE_HC_FLAT:
434	{
435	DBGCVAR Var2;
436	rc = dbgcOpAddrFlat(pDbgc, &Var, DBGCVAR_CAT_ANY, &Var2);
437	if (RT_SUCCESS(rc))
438	{
439	/** @todo protect this!!! */
440	memcpy(pvBuffer, Var2.u.pvHCFlat, cb);
441	rc = 0;
442	}
443	else
444	rc = VERR_INVALID_POINTER;
445	break;
446	}
447
448	default:
449	rc = VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
450	}
451
452	/*
453	* Check for failure.
454	*/
455	if (RT_FAILURE(rc))
456	{
457	if (pcbRead && (*pcbRead = cbRead - cbLeft) > 0)
458	return VINF_SUCCESS;
459	return rc;
460	}
461
462	/*
463	* Next.
464	*/
465	cbLeft -= cb;
466	if (!cbLeft)
467	break;
468	pvBuffer = (char *)pvBuffer + cb;
469	rc = DBGCCmdHlpEval(pCmdHlp, &Var, "%DV + %d", &Var, cb);
470	if (RT_FAILURE(rc))
471	{
472	if (pcbRead && (*pcbRead = cbRead - cbLeft) > 0)
473	return VINF_SUCCESS;
474	return rc;
475	}
476	}
477
478	/*
479	* Done
480	*/
481	if (pcbRead)
482	*pcbRead = cbRead;
483	return 0;
484	}
485
486
487	/**
488	* @interface_method_impl{DBGCCMDHLP,pfnMemWrite}
489	*/
490	static DECLCALLBACK(int) dbgcHlpMemWrite(PDBGCCMDHLP pCmdHlp, PVM pVM, const void pvBuffer, size_t cbWrite, PCDBGCVAR pVarPointer, size_t pcbWritten)
491	{
492	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
493	DBGFADDRESS Address;
494	int rc;
495
496	/*
497	* Dummy check.
498	*/
499	if (cbWrite == 0)
500	{
501	if (*pcbWritten)
502	*pcbWritten = 0;
503	return VINF_SUCCESS;
504	}
505
506	/*
507	* Convert Far addresses getting size and the correct base address.
508	* Getting and checking the size is what makes this messy and slow.
509	*/
510	DBGCVAR Var = *pVarPointer;
511	switch (pVarPointer->enmType)
512	{
513	case DBGCVAR_TYPE_GC_FAR:
514	{
515	/* Use DBGFR3AddrFromSelOff for the conversion. */
516	Assert(pDbgc->pVM);
517	rc = DBGFR3AddrFromSelOff(pDbgc->pVM, pDbgc->idCpu, &Address, Var.u.GCFar.sel, Var.u.GCFar.off);
518	if (RT_FAILURE(rc))
519	return rc;
520
521	/* don't bother with flat selectors (for now). */
522	if (!DBGFADDRESS_IS_FLAT(&Address))
523	{
524	DBGFSELINFO SelInfo;
525	rc = DBGFR3SelQueryInfo(pDbgc->pVM, pDbgc->idCpu, Address.Sel,
526	DBGFSELQI_FLAGS_DT_GUEST \| DBGFSELQI_FLAGS_DT_ADJ_64BIT_MODE, &SelInfo);
527	if (RT_SUCCESS(rc))
528	{
529	RTGCUINTPTR cb; /* -1 byte */
530	if (DBGFSelInfoIsExpandDown(&SelInfo))
531	{
532	if ( !SelInfo.u.Raw.Gen.u1Granularity
533	&& Address.off > UINT16_C(0xffff))
534	return VERR_OUT_OF_SELECTOR_BOUNDS;
535	if (Address.off <= SelInfo.cbLimit)
536	return VERR_OUT_OF_SELECTOR_BOUNDS;
537	cb = (SelInfo.u.Raw.Gen.u1Granularity ? UINT32_C(0xffffffff) : UINT32_C(0xffff)) - Address.off;
538	}
539	else
540	{
541	if (Address.off > SelInfo.cbLimit)
542	return VERR_OUT_OF_SELECTOR_BOUNDS;
543	cb = SelInfo.cbLimit - Address.off;
544	}
545	if (cbWrite - 1 > cb)
546	{
547	if (!pcbWritten)
548	return VERR_OUT_OF_SELECTOR_BOUNDS;
549	cbWrite = cb + 1;
550	}
551	}
552	}
553	Var.enmType = DBGCVAR_TYPE_GC_FLAT;
554	Var.u.GCFlat = Address.FlatPtr;
555	}
556	/* fall thru */
557	case DBGCVAR_TYPE_GC_FLAT:
558	rc = DBGFR3MemWrite(pVM, pDbgc->idCpu,
559	DBGFR3AddrFromFlat(pVM, &Address, Var.u.GCFlat),
560	pvBuffer, cbWrite);
561	if (pcbWritten && RT_SUCCESS(rc))
562	*pcbWritten = cbWrite;
563	return rc;
564
565	case DBGCVAR_TYPE_GC_PHYS:
566	rc = DBGFR3MemWrite(pVM, pDbgc->idCpu,
567	DBGFR3AddrFromPhys(pVM, &Address, Var.u.GCPhys),
568	pvBuffer, cbWrite);
569	if (pcbWritten && RT_SUCCESS(rc))
570	*pcbWritten = cbWrite;
571	return rc;
572
573	case DBGCVAR_TYPE_HC_FLAT:
574	case DBGCVAR_TYPE_HC_PHYS:
575	{
576	/*
577	* Copy HC memory page by page.
578	*/
579	if (pcbWritten)
580	*pcbWritten = 0;
581	while (cbWrite > 0)
582	{
583	/* convert to flat address */
584	DBGCVAR Var2;
585	rc = dbgcOpAddrFlat(pDbgc, &Var, DBGCVAR_CAT_ANY, &Var2);
586	if (RT_FAILURE(rc))
587	{
588	if (pcbWritten && *pcbWritten)
589	return -VERR_INVALID_POINTER;
590	return VERR_INVALID_POINTER;
591	}
592
593	/* calc size. */
594	size_t cbChunk = PAGE_SIZE;
595	cbChunk -= (uintptr_t)Var.u.pvHCFlat & PAGE_OFFSET_MASK;
596	if (cbChunk > cbWrite)
597	cbChunk = cbWrite;
598
599	/** @todo protect this!!! */
600	memcpy(Var2.u.pvHCFlat, pvBuffer, cbChunk);
601
602	/* advance */
603	if (Var.enmType == DBGCVAR_TYPE_HC_FLAT)
604	Var.u.pvHCFlat = (uint8_t *)Var.u.pvHCFlat + cbChunk;
605	else
606	Var.u.HCPhys += cbChunk;
607	pvBuffer = (uint8_t const *)pvBuffer + cbChunk;
608	if (pcbWritten)
609	*pcbWritten += cbChunk;
610	cbWrite -= cbChunk;
611	}
612
613	return VINF_SUCCESS;
614	}
615
616	default:
617	return VERR_NOT_IMPLEMENTED;
618	}
619	}
620
621
622	/**
623	* @interface_method_impl{DBGCCMDHLP,pfnHlpExec}
624	*/
625	static DECLCALLBACK(int) dbgcHlpExec(PDBGCCMDHLP pCmdHlp, const char *pszExpr, ...)
626	{
627	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
628	/* Save the scratch state. */
629	char *pszScratch = pDbgc->pszScratch;
630	unsigned iArg = pDbgc->iArg;
631
632	/*
633	* Format the expression.
634	*/
635	va_list args;
636	va_start(args, pszExpr);
637	size_t cbScratch = sizeof(pDbgc->achScratch) - (pDbgc->pszScratch - &pDbgc->achScratch[0]);
638	size_t cb = RTStrPrintfExV(dbgcStringFormatter, pDbgc, pDbgc->pszScratch, cbScratch, pszExpr, args);
639	va_end(args);
640	if (cb >= cbScratch)
641	return VERR_BUFFER_OVERFLOW;
642
643	/*
644	* Execute the command.
645	* We save and restore the arg index and scratch buffer pointer.
646	*/
647	pDbgc->pszScratch = pDbgc->pszScratch + cb + 1;
648	int rc = dbgcEvalCommand(pDbgc, pszScratch, cb, false /* fNoExecute */);
649
650	/* Restore the scratch state. */
651	pDbgc->iArg = iArg;
652	pDbgc->pszScratch = pszScratch;
653
654	return rc;
655	}
656
657
658	/**
659	* @copydoc DBGCCMDHLP::pfnEvalV
660	*/
661	static DECLCALLBACK(int) dbgcHlpEvalV(PDBGCCMDHLP pCmdHlp, PDBGCVAR pResult, const char *pszExpr, va_list va)
662	{
663	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
664
665	/*
666	* Format the expression.
667	*/
668	char szExprFormatted[2048];
669	size_t cb = RTStrPrintfExV(dbgcStringFormatter, pDbgc, szExprFormatted, sizeof(szExprFormatted), pszExpr, va);
670	/* ignore overflows. */
671
672	return dbgcEvalSub(pDbgc, &szExprFormatted[0], cb, DBGCVAR_CAT_ANY, pResult);
673	}
674
675
676	/**
677	* @copydoc DBGCCMDHLP::pfnFailV
678	*/
679	static DECLCALLBACK(int) dbgcHlpFailV(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, const char *pszFormat, va_list va)
680	{
681	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
682
683	/*
684	* Do the formatting and output.
685	*/
686	pDbgc->rcOutput = VINF_SUCCESS;
687	RTStrFormat(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, "%s: error: ", pCmd->pszCmd);
688	if (RT_FAILURE(pDbgc->rcOutput))
689	return pDbgc->rcOutput;
690	RTStrFormatV(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, pszFormat, va);
691	if (RT_FAILURE(pDbgc->rcOutput))
692	return pDbgc->rcOutput;
693	if (pDbgc->chLastOutput != '\n')
694	dbgcFormatOutput(pDbgc, "\n", 1);
695	return VERR_DBGC_COMMAND_FAILED;
696	}
697
698
699	/**
700	* @copydoc DBGCCMDHLP::pfnFailV
701	*/
702	static DECLCALLBACK(int) dbgcHlpFailRcV(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, int rc, const char *pszFormat, va_list va)
703	{
704	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
705
706	/*
707	* Do the formatting and output.
708	*/
709	pDbgc->rcOutput = VINF_SUCCESS;
710	RTStrFormat(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, "%s: error: ", pCmd->pszCmd);
711	if (RT_FAILURE(pDbgc->rcOutput))
712	return pDbgc->rcOutput;
713	RTStrFormatV(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, pszFormat, va);
714	if (RT_FAILURE(pDbgc->rcOutput))
715	return pDbgc->rcOutput;
716	RTStrFormat(dbgcFormatOutput, pDbgc, dbgcStringFormatter, pDbgc, ": %Rrc\n", rc);
717	if (RT_FAILURE(pDbgc->rcOutput))
718	return pDbgc->rcOutput;
719
720	return VERR_DBGC_COMMAND_FAILED;
721	}
722
723
724	/**
725	* @interface_method_impl{DBGCCMDHLP,pfnVarToDbgfAddr}
726	*/
727	static DECLCALLBACK(int) dbgcHlpVarToDbgfAddr(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, PDBGFADDRESS pAddress)
728	{
729	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
730	AssertPtr(pVar);
731	AssertPtr(pAddress);
732
733	switch (pVar->enmType)
734	{
735	case DBGCVAR_TYPE_GC_FLAT:
736	DBGFR3AddrFromFlat(pDbgc->pVM, pAddress, pVar->u.GCFlat);
737	return VINF_SUCCESS;
738
739	case DBGCVAR_TYPE_NUMBER:
740	DBGFR3AddrFromFlat(pDbgc->pVM, pAddress, (RTGCUINTPTR)pVar->u.u64Number);
741	return VINF_SUCCESS;
742
743	case DBGCVAR_TYPE_GC_FAR:
744	return DBGFR3AddrFromSelOff(pDbgc->pVM, pDbgc->idCpu, pAddress, pVar->u.GCFar.sel, pVar->u.GCFar.off);
745
746	case DBGCVAR_TYPE_GC_PHYS:
747	DBGFR3AddrFromPhys(pDbgc->pVM, pAddress, pVar->u.GCPhys);
748	return VINF_SUCCESS;
749
750	case DBGCVAR_TYPE_SYMBOL:
751	{
752	DBGCVAR Var;
753	int rc = DBGCCmdHlpEval(&pDbgc->CmdHlp, &Var, "%%(%DV)", pVar);
754	if (RT_FAILURE(rc))
755	return rc;
756	return dbgcHlpVarToDbgfAddr(pCmdHlp, &Var, pAddress);
757	}
758
759	case DBGCVAR_TYPE_STRING:
760	case DBGCVAR_TYPE_HC_FLAT:
761	case DBGCVAR_TYPE_HC_PHYS:
762	default:
763	return VERR_DBGC_PARSE_CONVERSION_FAILED;
764	}
765	}
766
767
768	/**
769	* @interface_method_impl{DBGCCMDHLP,pfnVarFromDbgfAddr}
770	*/
771	static DECLCALLBACK(int) dbgcHlpVarFromDbgfAddr(PDBGCCMDHLP pCmdHlp, PCDBGFADDRESS pAddress, PDBGCVAR pResult)
772	{
773	AssertPtrReturn(pAddress, VERR_INVALID_POINTER);
774	AssertReturn(DBGFADDRESS_IS_VALID(pAddress), VERR_INVALID_PARAMETER);
775	AssertPtrReturn(pResult, VERR_INVALID_POINTER);
776
777	switch (pAddress->fFlags & DBGFADDRESS_FLAGS_TYPE_MASK)
778	{
779	case DBGFADDRESS_FLAGS_FAR16:
780	case DBGFADDRESS_FLAGS_FAR32:
781	case DBGFADDRESS_FLAGS_FAR64:
782	DBGCVAR_INIT_GC_FAR(pResult, pAddress->Sel, pAddress->off);
783	break;
784
785	case DBGFADDRESS_FLAGS_FLAT:
786	DBGCVAR_INIT_GC_FLAT(pResult, pAddress->FlatPtr);
787	break;
788
789	case DBGFADDRESS_FLAGS_PHYS:
790	DBGCVAR_INIT_GC_PHYS(pResult, pAddress->FlatPtr);
791	break;
792
793	default:
794	DBGCVAR_INIT(pResult);
795	AssertMsgFailedReturn(("%#x\n", pAddress->fFlags), VERR_INVALID_PARAMETER);
796	break;
797	}
798
799	return VINF_SUCCESS;
800	}
801
802
803	/**
804	* @interface_method_impl{DBGCCMDHLP,pfnVarToNumber}
805	*/
806	static DECLCALLBACK(int) dbgcHlpVarToNumber(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, uint64_t *pu64Number)
807	{
808	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
809	NOREF(pDbgc);
810
811	uint64_t u64Number;
812	switch (pVar->enmType)
813	{
814	case DBGCVAR_TYPE_GC_FLAT:
815	u64Number = pVar->u.GCFlat;
816	break;
817	case DBGCVAR_TYPE_GC_PHYS:
818	u64Number = pVar->u.GCPhys;
819	break;
820	case DBGCVAR_TYPE_HC_FLAT:
821	u64Number = (uintptr_t)pVar->u.pvHCFlat;
822	break;
823	case DBGCVAR_TYPE_HC_PHYS:
824	u64Number = (uintptr_t)pVar->u.HCPhys;
825	break;
826	case DBGCVAR_TYPE_NUMBER:
827	u64Number = (uintptr_t)pVar->u.u64Number;
828	break;
829	case DBGCVAR_TYPE_GC_FAR:
830	u64Number = (uintptr_t)pVar->u.GCFar.off;
831	break;
832	case DBGCVAR_TYPE_SYMBOL:
833	/** @todo try convert as symbol? */
834	case DBGCVAR_TYPE_STRING:
835	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE; /** @todo better error code! */
836	default:
837	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
838	}
839	*pu64Number = u64Number;
840	return VINF_SUCCESS;
841	}
842
843
844	/**
845	* @interface_method_impl{DBGCCMDHLP,pfnVarToBool}
846	*/
847	static DECLCALLBACK(int) dbgcHlpVarToBool(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, bool *pf)
848	{
849	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
850	NOREF(pDbgc);
851
852	switch (pVar->enmType)
853	{
854	case DBGCVAR_TYPE_SYMBOL:
855	case DBGCVAR_TYPE_STRING:
856	if ( !RTStrICmp(pVar->u.pszString, "true")
857	\|\| !RTStrICmp(pVar->u.pszString, "on")
858	\|\| !RTStrICmp(pVar->u.pszString, "no")
859	\|\| !RTStrICmp(pVar->u.pszString, "enabled"))
860	{
861	*pf = true;
862	return VINF_SUCCESS;
863	}
864	if ( !RTStrICmp(pVar->u.pszString, "false")
865	\|\| !RTStrICmp(pVar->u.pszString, "off")
866	\|\| !RTStrICmp(pVar->u.pszString, "yes")
867	\|\| !RTStrICmp(pVar->u.pszString, "disabled"))
868	{
869	*pf = false;
870	return VINF_SUCCESS;
871	}
872	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE; /** @todo better error code! */
873
874	case DBGCVAR_TYPE_GC_FLAT:
875	case DBGCVAR_TYPE_GC_PHYS:
876	case DBGCVAR_TYPE_HC_FLAT:
877	case DBGCVAR_TYPE_HC_PHYS:
878	case DBGCVAR_TYPE_NUMBER:
879	*pf = pVar->u.u64Number != 0;
880	return VINF_SUCCESS;
881
882	case DBGCVAR_TYPE_GC_FAR:
883	default:
884	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
885	}
886	}
887
888
889	/**
890	* @interface_method_impl{DBGCCMDHLP,pfnVarGetRange}
891	*/
892	static DECLCALLBACK(int) dbgcHlpVarGetRange(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pVar, uint64_t cbElement, uint64_t cbDefault,
893	uint64_t *pcbRange)
894	{
895	/** @todo implement this properly, strings/symbols are not resolved now. */
896	switch (pVar->enmRangeType)
897	{
898	default:
899	case DBGCVAR_RANGE_NONE:
900	*pcbRange = cbDefault;
901	break;
902	case DBGCVAR_RANGE_BYTES:
903	*pcbRange = pVar->u64Range;
904	break;
905	case DBGCVAR_RANGE_ELEMENTS:
906	pcbRange = pVar->u64Range cbElement;
907	break;
908	}
909	return VINF_SUCCESS;
910	}
911
912
913	/**
914	* @interface_method_impl{DBGCCMDHLP,pfnVarConvert}
915	*/
916	static DECLCALLBACK(int) dbgcHlpVarConvert(PDBGCCMDHLP pCmdHlp, PCDBGCVAR pInVar, DBGCVARTYPE enmToType, bool fConvSyms,
917	PDBGCVAR pResult)
918	{
919	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
920	DBGCVAR const InVar = pInVar; / if pInVar == pResult */
921	PCDBGCVAR pArg = &InVar; /* lazy bird, clean up later */
922	DBGFADDRESS Address;
923	int rc;
924
925	Assert(pDbgc->pVM);
926
927	*pResult = InVar;
928	switch (InVar.enmType)
929	{
930	case DBGCVAR_TYPE_GC_FLAT:
931	switch (enmToType)
932	{
933	case DBGCVAR_TYPE_GC_FLAT:
934	return VINF_SUCCESS;
935
936	case DBGCVAR_TYPE_GC_FAR:
937	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
938
939	case DBGCVAR_TYPE_GC_PHYS:
940	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
941	rc = DBGFR3AddrToPhys(pDbgc->pVM, pDbgc->idCpu,
942	DBGFR3AddrFromFlat(pDbgc->pVM, &Address, pArg->u.GCFlat),
943	&pResult->u.GCPhys);
944	if (RT_SUCCESS(rc))
945	return VINF_SUCCESS;
946	return VERR_DBGC_PARSE_CONVERSION_FAILED;
947
948	case DBGCVAR_TYPE_HC_FLAT:
949	pResult->enmType = DBGCVAR_TYPE_HC_FLAT;
950	rc = DBGFR3AddrToVolatileR3Ptr(pDbgc->pVM, pDbgc->idCpu,
951	DBGFR3AddrFromFlat(pDbgc->pVM, &Address, pArg->u.GCFlat),
952	false /fReadOnly /,
953	&pResult->u.pvHCFlat);
954	if (RT_SUCCESS(rc))
955	return VINF_SUCCESS;
956	return VERR_DBGC_PARSE_CONVERSION_FAILED;
957
958	case DBGCVAR_TYPE_HC_PHYS:
959	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
960	rc = DBGFR3AddrToHostPhys(pDbgc->pVM, pDbgc->idCpu,
961	DBGFR3AddrFromFlat(pDbgc->pVM, &Address, pArg->u.GCFlat),
962	&pResult->u.GCPhys);
963	if (RT_SUCCESS(rc))
964	return VINF_SUCCESS;
965	return VERR_DBGC_PARSE_CONVERSION_FAILED;
966
967	case DBGCVAR_TYPE_NUMBER:
968	pResult->enmType = enmToType;
969	pResult->u.u64Number = InVar.u.GCFlat;
970	return VINF_SUCCESS;
971
972	case DBGCVAR_TYPE_STRING:
973	case DBGCVAR_TYPE_SYMBOL:
974	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
975
976	case DBGCVAR_TYPE_UNKNOWN:
977	case DBGCVAR_TYPE_ANY:
978	break;
979	}
980	break;
981
982	case DBGCVAR_TYPE_GC_FAR:
983	switch (enmToType)
984	{
985	case DBGCVAR_TYPE_GC_FLAT:
986	rc = DBGFR3AddrFromSelOff(pDbgc->pVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off);
987	if (RT_SUCCESS(rc))
988	{
989	pResult->enmType = DBGCVAR_TYPE_GC_FLAT;
990	pResult->u.GCFlat = Address.FlatPtr;
991	return VINF_SUCCESS;
992	}
993	return VERR_DBGC_PARSE_CONVERSION_FAILED;
994
995	case DBGCVAR_TYPE_GC_FAR:
996	return VINF_SUCCESS;
997
998	case DBGCVAR_TYPE_GC_PHYS:
999	rc = DBGFR3AddrFromSelOff(pDbgc->pVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off);
1000	if (RT_SUCCESS(rc))
1001	{
1002	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
1003	rc = DBGFR3AddrToPhys(pDbgc->pVM, pDbgc->idCpu, &Address, &pResult->u.GCPhys);
1004	if (RT_SUCCESS(rc))
1005	return VINF_SUCCESS;
1006	}
1007	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1008
1009	case DBGCVAR_TYPE_HC_FLAT:
1010	rc = DBGFR3AddrFromSelOff(pDbgc->pVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off);
1011	if (RT_SUCCESS(rc))
1012	{
1013	pResult->enmType = DBGCVAR_TYPE_HC_FLAT;
1014	rc = DBGFR3AddrToVolatileR3Ptr(pDbgc->pVM, pDbgc->idCpu, &Address,
1015	false /fReadOnly/, &pResult->u.pvHCFlat);
1016	if (RT_SUCCESS(rc))
1017	return VINF_SUCCESS;
1018	}
1019	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1020
1021	case DBGCVAR_TYPE_HC_PHYS:
1022	rc = DBGFR3AddrFromSelOff(pDbgc->pVM, pDbgc->idCpu, &Address, pArg->u.GCFar.sel, pArg->u.GCFar.off);
1023	if (RT_SUCCESS(rc))
1024	{
1025	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
1026	rc = DBGFR3AddrToHostPhys(pDbgc->pVM, pDbgc->idCpu, &Address, &pResult->u.GCPhys);
1027	if (RT_SUCCESS(rc))
1028	return VINF_SUCCESS;
1029	}
1030	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1031
1032	case DBGCVAR_TYPE_NUMBER:
1033	pResult->enmType = enmToType;
1034	pResult->u.u64Number = InVar.u.GCFar.off;
1035	return VINF_SUCCESS;
1036
1037	case DBGCVAR_TYPE_STRING:
1038	case DBGCVAR_TYPE_SYMBOL:
1039	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1040
1041	case DBGCVAR_TYPE_UNKNOWN:
1042	case DBGCVAR_TYPE_ANY:
1043	break;
1044	}
1045	break;
1046
1047	case DBGCVAR_TYPE_GC_PHYS:
1048	switch (enmToType)
1049	{
1050	case DBGCVAR_TYPE_GC_FLAT:
1051	//rc = MMR3PhysGCPhys2GCVirtEx(pDbgc->pVM, pResult->u.GCPhys, ..., &pResult->u.GCFlat); - yea, sure.
1052	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1053
1054	case DBGCVAR_TYPE_GC_FAR:
1055	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1056
1057	case DBGCVAR_TYPE_GC_PHYS:
1058	return VINF_SUCCESS;
1059
1060	case DBGCVAR_TYPE_HC_FLAT:
1061	pResult->enmType = DBGCVAR_TYPE_HC_FLAT;
1062	rc = DBGFR3AddrToVolatileR3Ptr(pDbgc->pVM, pDbgc->idCpu,
1063	DBGFR3AddrFromPhys(pDbgc->pVM, &Address, pArg->u.GCPhys),
1064	false /fReadOnly /,
1065	&pResult->u.pvHCFlat);
1066	if (RT_SUCCESS(rc))
1067	return VINF_SUCCESS;
1068	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1069
1070	case DBGCVAR_TYPE_HC_PHYS:
1071	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
1072	rc = DBGFR3AddrToHostPhys(pDbgc->pVM, pDbgc->idCpu,
1073	DBGFR3AddrFromPhys(pDbgc->pVM, &Address, pArg->u.GCPhys),
1074	&pResult->u.HCPhys);
1075	if (RT_SUCCESS(rc))
1076	return VINF_SUCCESS;
1077	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1078
1079	case DBGCVAR_TYPE_NUMBER:
1080	pResult->enmType = enmToType;
1081	pResult->u.u64Number = InVar.u.GCPhys;
1082	return VINF_SUCCESS;
1083
1084	case DBGCVAR_TYPE_STRING:
1085	case DBGCVAR_TYPE_SYMBOL:
1086	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1087
1088	case DBGCVAR_TYPE_UNKNOWN:
1089	case DBGCVAR_TYPE_ANY:
1090	break;
1091	}
1092	break;
1093
1094	case DBGCVAR_TYPE_HC_FLAT:
1095	switch (enmToType)
1096	{
1097	case DBGCVAR_TYPE_GC_FLAT:
1098	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1099
1100	case DBGCVAR_TYPE_GC_FAR:
1101	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1102
1103	case DBGCVAR_TYPE_GC_PHYS:
1104	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
1105	rc = PGMR3DbgR3Ptr2GCPhys(pDbgc->pVM, pArg->u.pvHCFlat, &pResult->u.GCPhys);
1106	if (RT_SUCCESS(rc))
1107	return VINF_SUCCESS;
1108	/** @todo more memory types! */
1109	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1110
1111	case DBGCVAR_TYPE_HC_FLAT:
1112	return VINF_SUCCESS;
1113
1114	case DBGCVAR_TYPE_HC_PHYS:
1115	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
1116	rc = PGMR3DbgR3Ptr2HCPhys(pDbgc->pVM, pArg->u.pvHCFlat, &pResult->u.HCPhys);
1117	if (RT_SUCCESS(rc))
1118	return VINF_SUCCESS;
1119	/** @todo more memory types! */
1120	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1121
1122	case DBGCVAR_TYPE_NUMBER:
1123	pResult->enmType = enmToType;
1124	pResult->u.u64Number = (uintptr_t)InVar.u.pvHCFlat;
1125	return VINF_SUCCESS;
1126
1127	case DBGCVAR_TYPE_STRING:
1128	case DBGCVAR_TYPE_SYMBOL:
1129	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1130
1131	case DBGCVAR_TYPE_UNKNOWN:
1132	case DBGCVAR_TYPE_ANY:
1133	break;
1134	}
1135	break;
1136
1137	case DBGCVAR_TYPE_HC_PHYS:
1138	switch (enmToType)
1139	{
1140	case DBGCVAR_TYPE_GC_FLAT:
1141	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1142
1143	case DBGCVAR_TYPE_GC_FAR:
1144	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1145
1146	case DBGCVAR_TYPE_GC_PHYS:
1147	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
1148	rc = PGMR3DbgHCPhys2GCPhys(pDbgc->pVM, pArg->u.HCPhys, &pResult->u.GCPhys);
1149	if (RT_SUCCESS(rc))
1150	return VINF_SUCCESS;
1151	return VERR_DBGC_PARSE_CONVERSION_FAILED;
1152
1153	case DBGCVAR_TYPE_HC_FLAT:
1154	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1155
1156	case DBGCVAR_TYPE_HC_PHYS:
1157	return VINF_SUCCESS;
1158
1159	case DBGCVAR_TYPE_NUMBER:
1160	pResult->enmType = enmToType;
1161	pResult->u.u64Number = InVar.u.HCPhys;
1162	return VINF_SUCCESS;
1163
1164	case DBGCVAR_TYPE_STRING:
1165	case DBGCVAR_TYPE_SYMBOL:
1166	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1167
1168	case DBGCVAR_TYPE_UNKNOWN:
1169	case DBGCVAR_TYPE_ANY:
1170	break;
1171	}
1172	break;
1173
1174	case DBGCVAR_TYPE_NUMBER:
1175	switch (enmToType)
1176	{
1177	case DBGCVAR_TYPE_GC_FLAT:
1178	pResult->enmType = DBGCVAR_TYPE_GC_FLAT;
1179	pResult->u.GCFlat = (RTGCPTR)InVar.u.u64Number;
1180	return VINF_SUCCESS;
1181
1182	case DBGCVAR_TYPE_GC_FAR:
1183	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1184
1185	case DBGCVAR_TYPE_GC_PHYS:
1186	pResult->enmType = DBGCVAR_TYPE_GC_PHYS;
1187	pResult->u.GCPhys = (RTGCPHYS)InVar.u.u64Number;
1188	return VINF_SUCCESS;
1189
1190	case DBGCVAR_TYPE_HC_FLAT:
1191	pResult->enmType = DBGCVAR_TYPE_HC_FLAT;
1192	pResult->u.pvHCFlat = (void *)(uintptr_t)InVar.u.u64Number;
1193	return VINF_SUCCESS;
1194
1195	case DBGCVAR_TYPE_HC_PHYS:
1196	pResult->enmType = DBGCVAR_TYPE_HC_PHYS;
1197	pResult->u.HCPhys = (RTHCPHYS)InVar.u.u64Number;
1198	return VINF_SUCCESS;
1199
1200	case DBGCVAR_TYPE_NUMBER:
1201	return VINF_SUCCESS;
1202
1203	case DBGCVAR_TYPE_STRING:
1204	case DBGCVAR_TYPE_SYMBOL:
1205	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1206
1207	case DBGCVAR_TYPE_UNKNOWN:
1208	case DBGCVAR_TYPE_ANY:
1209	break;
1210	}
1211	break;
1212
1213	case DBGCVAR_TYPE_SYMBOL:
1214	case DBGCVAR_TYPE_STRING:
1215	switch (enmToType)
1216	{
1217	case DBGCVAR_TYPE_GC_FLAT:
1218	case DBGCVAR_TYPE_GC_FAR:
1219	case DBGCVAR_TYPE_GC_PHYS:
1220	case DBGCVAR_TYPE_HC_FLAT:
1221	case DBGCVAR_TYPE_HC_PHYS:
1222	case DBGCVAR_TYPE_NUMBER:
1223	if (fConvSyms)
1224	{
1225	rc = dbgcSymbolGet(pDbgc, InVar.u.pszString, enmToType, pResult);
1226	if (RT_SUCCESS(rc))
1227	return VINF_SUCCESS;
1228	}
1229	return VERR_DBGC_PARSE_INCORRECT_ARG_TYPE;
1230
1231	case DBGCVAR_TYPE_STRING:
1232	case DBGCVAR_TYPE_SYMBOL:
1233	pResult->enmType = enmToType;
1234	return VINF_SUCCESS;
1235
1236	case DBGCVAR_TYPE_UNKNOWN:
1237	case DBGCVAR_TYPE_ANY:
1238	break;
1239	}
1240	break;
1241
1242	case DBGCVAR_TYPE_UNKNOWN:
1243	case DBGCVAR_TYPE_ANY:
1244	break;
1245	}
1246
1247	AssertMsgFailed(("f=%d t=%d\n", InVar.enmType, enmToType));
1248	return VERR_INVALID_PARAMETER;
1249	}
1250
1251
1252	/**
1253	* @interface_method_impl{DBGFINFOHLP,pfnPrintf}
1254	*/
1255	static DECLCALLBACK(void) dbgcHlpGetDbgfOutputHlp_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
1256	{
1257	PDBGC pDbgc = RT_FROM_MEMBER(pHlp, DBGC, DbgfOutputHlp);
1258	va_list va;
1259	va_start(va, pszFormat);
1260	pDbgc->CmdHlp.pfnPrintfV(&pDbgc->CmdHlp, NULL, pszFormat, va);
1261	va_end(va);
1262	}
1263
1264
1265	/**
1266	* @interface_method_impl{DBGFINFOHLP,pfnPrintfV}
1267	*/
1268	static DECLCALLBACK(void) dbgcHlpGetDbgfOutputHlp_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
1269	{
1270	PDBGC pDbgc = RT_FROM_MEMBER(pHlp, DBGC, DbgfOutputHlp);
1271	pDbgc->CmdHlp.pfnPrintfV(&pDbgc->CmdHlp, NULL, pszFormat, args);
1272	}
1273
1274
1275	/**
1276	* @interface_method_impl{DBGCCMDHLP,pfnGetDbgfOutputHlp}
1277	*/
1278	static DECLCALLBACK(PCDBGFINFOHLP) dbgcHlpGetDbgfOutputHlp(PDBGCCMDHLP pCmdHlp)
1279	{
1280	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1281
1282	/* Lazy init */
1283	if (!pDbgc->DbgfOutputHlp.pfnPrintf)
1284	{
1285	pDbgc->DbgfOutputHlp.pfnPrintf = dbgcHlpGetDbgfOutputHlp_Printf;
1286	pDbgc->DbgfOutputHlp.pfnPrintfV = dbgcHlpGetDbgfOutputHlp_PrintfV;
1287	}
1288
1289	return &pDbgc->DbgfOutputHlp;
1290	}
1291
1292
1293	/**
1294	* @interface_method_impl{DBGCCMDHLP,pfnGetCurrentCpu}
1295	*/
1296	static DECLCALLBACK(VMCPUID) dbgcHlpGetCurrentCpu(PDBGCCMDHLP pCmdHlp)
1297	{
1298	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1299	return pDbgc->idCpu;
1300	}
1301
1302
1303	/**
1304	* @interface_method_impl{DBGCCMDHLP,pfnGetCpuMode}
1305	*/
1306	static DECLCALLBACK(CPUMMODE) dbgcHlpGetCpuMode(PDBGCCMDHLP pCmdHlp)
1307	{
1308	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1309	CPUMMODE enmMode = CPUMMODE_INVALID;
1310	if (pDbgc->fRegCtxGuest)
1311	{
1312	if (pDbgc->pVM)
1313	enmMode = DBGFR3CpuGetMode(pDbgc->pVM, DBGCCmdHlpGetCurrentCpu(pCmdHlp));
1314	if (enmMode == CPUMMODE_INVALID)
1315	#if HC_ARCH_BITS == 64
1316	enmMode = CPUMMODE_LONG;
1317	#else
1318	enmMode = CPUMMODE_PROTECTED;
1319	#endif
1320	}
1321	else
1322	enmMode = CPUMMODE_PROTECTED;
1323	return enmMode;
1324	}
1325
1326
1327	/**
1328	* Initializes the Command Helpers for a DBGC instance.
1329	*
1330	* @param pDbgc Pointer to the DBGC instance.
1331	*/
1332	void dbgcInitCmdHlp(PDBGC pDbgc)
1333	{
1334	pDbgc->CmdHlp.u32Magic = DBGCCMDHLP_MAGIC;
1335	pDbgc->CmdHlp.pfnPrintfV = dbgcHlpPrintfV;
1336	pDbgc->CmdHlp.pfnPrintf = dbgcHlpPrintf;
1337	pDbgc->CmdHlp.pfnStrPrintf = dbgcHlpStrPrintf;
1338	pDbgc->CmdHlp.pfnStrPrintfV = dbgcHlpStrPrintfV;
1339	pDbgc->CmdHlp.pfnVBoxErrorV = dbgcHlpVBoxErrorV;
1340	pDbgc->CmdHlp.pfnVBoxError = dbgcHlpVBoxError;
1341	pDbgc->CmdHlp.pfnMemRead = dbgcHlpMemRead;
1342	pDbgc->CmdHlp.pfnMemWrite = dbgcHlpMemWrite;
1343	pDbgc->CmdHlp.pfnEvalV = dbgcHlpEvalV;
1344	pDbgc->CmdHlp.pfnExec = dbgcHlpExec;
1345	pDbgc->CmdHlp.pfnFailV = dbgcHlpFailV;
1346	pDbgc->CmdHlp.pfnFailRcV = dbgcHlpFailRcV;
1347	pDbgc->CmdHlp.pfnVarToDbgfAddr = dbgcHlpVarToDbgfAddr;
1348	pDbgc->CmdHlp.pfnVarFromDbgfAddr = dbgcHlpVarFromDbgfAddr;
1349	pDbgc->CmdHlp.pfnVarToNumber = dbgcHlpVarToNumber;
1350	pDbgc->CmdHlp.pfnVarToBool = dbgcHlpVarToBool;
1351	pDbgc->CmdHlp.pfnVarGetRange = dbgcHlpVarGetRange;
1352	pDbgc->CmdHlp.pfnVarConvert = dbgcHlpVarConvert;
1353	pDbgc->CmdHlp.pfnGetDbgfOutputHlp = dbgcHlpGetDbgfOutputHlp;
1354	pDbgc->CmdHlp.pfnGetCurrentCpu = dbgcHlpGetCurrentCpu;
1355	pDbgc->CmdHlp.pfnGetCpuMode = dbgcHlpGetCpuMode;
1356	pDbgc->CmdHlp.u32EndMarker = DBGCCMDHLP_MAGIC;
1357	}
1358

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source: vbox/trunk/src/VBox/Debugger/DBGCCmdHlp.cpp@ 41889

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