DBGCEmulateCodeView.cpp@ 88570

Last change on this file since 88570 was 87788, checked in by vboxsync, 4 years ago
Debugger: Some early access to the DBGFR3FlowTrace* API for toying around, bugref:8650
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File size: 312.0 KB

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1	/* $Id: DBGCEmulateCodeView.cpp 87788 2021-02-18 15:12:31Z vboxsync $ */
2	/** @file
3	* DBGC - Debugger Console, CodeView / WinDbg Emulation.
4	*/
5
6	/*
7	* Copyright (C) 2006-2020 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/dbgfflowtrace.h>
26	#include <VBox/vmm/pgm.h>
27	#include <VBox/vmm/cpum.h>
28	#include <VBox/dis.h>
29	#include <VBox/param.h>
30	#include <VBox/err.h>
31	#include <VBox/log.h>
32
33	#include <iprt/asm.h>
34	#include <iprt/mem.h>
35	#include <iprt/string.h>
36	#include <iprt/assert.h>
37	#include <iprt/ctype.h>
38	#include <iprt/time.h>
39
40	#include <stdlib.h>
41	#include <stdio.h>
42
43	#include "DBGCInternal.h"
44
45
46	/*********************************************************************************************************************************
47	* Internal Functions *
48	*********************************************************************************************************************************/
49	static FNDBGCCMD dbgcCmdBrkAccess;
50	static FNDBGCCMD dbgcCmdBrkClear;
51	static FNDBGCCMD dbgcCmdBrkDisable;
52	static FNDBGCCMD dbgcCmdBrkEnable;
53	static FNDBGCCMD dbgcCmdBrkList;
54	static FNDBGCCMD dbgcCmdBrkSet;
55	static FNDBGCCMD dbgcCmdBrkREM;
56	static FNDBGCCMD dbgcCmdDumpMem;
57	static FNDBGCCMD dbgcCmdDumpDT;
58	static FNDBGCCMD dbgcCmdDumpIDT;
59	static FNDBGCCMD dbgcCmdDumpPageDir;
60	static FNDBGCCMD dbgcCmdDumpPageDirBoth;
61	static FNDBGCCMD dbgcCmdDumpPageHierarchy;
62	static FNDBGCCMD dbgcCmdDumpPageTable;
63	static FNDBGCCMD dbgcCmdDumpPageTableBoth;
64	static FNDBGCCMD dbgcCmdDumpTSS;
65	static FNDBGCCMD dbgcCmdDumpTypeInfo;
66	static FNDBGCCMD dbgcCmdDumpTypedVal;
67	static FNDBGCCMD dbgcCmdEditMem;
68	static FNDBGCCMD dbgcCmdGo;
69	static FNDBGCCMD dbgcCmdGoUp;
70	static FNDBGCCMD dbgcCmdListModules;
71	static FNDBGCCMD dbgcCmdListNear;
72	static FNDBGCCMD dbgcCmdListSource;
73	static FNDBGCCMD dbgcCmdListSymbols;
74	static FNDBGCCMD dbgcCmdMemoryInfo;
75	static FNDBGCCMD dbgcCmdReg;
76	static FNDBGCCMD dbgcCmdRegGuest;
77	static FNDBGCCMD dbgcCmdRegTerse;
78	static FNDBGCCMD dbgcCmdSearchMem;
79	static FNDBGCCMD dbgcCmdSearchMemType;
80	static FNDBGCCMD dbgcCmdStepTrace;
81	static FNDBGCCMD dbgcCmdStepTraceTo;
82	static FNDBGCCMD dbgcCmdStepTraceToggle;
83	static FNDBGCCMD dbgcCmdEventCtrl;
84	static FNDBGCCMD dbgcCmdEventCtrlList;
85	static FNDBGCCMD dbgcCmdEventCtrlReset;
86	static FNDBGCCMD dbgcCmdStack;
87	static FNDBGCCMD dbgcCmdUnassemble;
88	static FNDBGCCMD dbgcCmdUnassembleCfg;
89	static FNDBGCCMD dbgcCmdTraceFlowClear;
90	static FNDBGCCMD dbgcCmdTraceFlowDisable;
91	static FNDBGCCMD dbgcCmdTraceFlowEnable;
92	static FNDBGCCMD dbgcCmdTraceFlowPrint;
93	static FNDBGCCMD dbgcCmdTraceFlowReset;
94
95
96	/*********************************************************************************************************************************
97	* Global Variables *
98	*********************************************************************************************************************************/
99	/** 'ba' arguments. */
100	static const DBGCVARDESC g_aArgBrkAcc[] =
101	{
102	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
103	{ 1, 1, DBGCVAR_CAT_STRING, 0, "access", "The access type: x=execute, rw=read/write (alias r), w=write, i=not implemented." },
104	{ 1, 1, DBGCVAR_CAT_NUMBER, 0, "size", "The access size: 1, 2, 4, or 8. 'x' access requires 1, and 8 requires amd64 long mode." },
105	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
106	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
107	{ 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "max passes", "The number of passes after which we stop triggering the breakpoint. (~0 is default)" },
108	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
109	};
110
111
112	/** 'bc', 'bd', 'be' arguments. */
113	static const DBGCVARDESC g_aArgBrks[] =
114	{
115	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
116	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#bp", "Breakpoint number." },
117	{ 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All breakpoints." },
118	};
119
120
121	/** 'bp' arguments. */
122	static const DBGCVARDESC g_aArgBrkSet[] =
123	{
124	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
125	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
126	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
127	{ 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "max passes", "The number of passes after which we stop triggering the breakpoint. (~0 is default)" },
128	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
129	};
130
131
132	/** 'br' arguments. */
133	static const DBGCVARDESC g_aArgBrkREM[] =
134	{
135	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
136	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
137	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
138	{ 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "max passes", "The number of passes after which we stop triggering the breakpoint. (~0 is default)" },
139	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
140	};
141
142
143	/** 'd?' arguments. */
144	static const DBGCVARDESC g_aArgDumpMem[] =
145	{
146	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
147	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start dumping memory." },
148	};
149
150
151	/** 'dg', 'dga', 'dl', 'dla' arguments. */
152	static const DBGCVARDESC g_aArgDumpDT[] =
153	{
154	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
155	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "sel", "Selector or selector range." },
156	{ 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Far address which selector should be dumped." },
157	};
158
159
160	/** 'di', 'dia' arguments. */
161	static const DBGCVARDESC g_aArgDumpIDT[] =
162	{
163	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
164	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "int", "The interrupt vector or interrupt vector range." },
165	};
166
167
168	/** 'dpd' arguments. /
169	static const DBGCVARDESC g_aArgDumpPD[] =
170	{
171	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
172	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "index", "Index into the page directory." },
173	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from. Range is applied to the page directory." },
174	};
175
176
177	/** 'dpda' arguments. */
178	static const DBGCVARDESC g_aArgDumpPDAddr[] =
179	{
180	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
181	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page directory entry to start dumping from." },
182	};
183
184
185	/** 'dph' arguments. /
186	static const DBGCVARDESC g_aArgDumpPH[] =
187	{
188	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
189	{ 0, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "Where in the address space to start dumping and for how long (range). The default address/range will be used if omitted." },
190	{ 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "cr3", "The CR3 value to use. The current CR3 of the context will be used if omitted." },
191	{ 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "mode", "The paging mode: legacy, pse, pae, long, ept. Append '-np' for nested paging and '-nx' for no-execute. The current mode will be used if omitted." },
192	};
193
194
195	/** 'dpt?' arguments. */
196	static const DBGCVARDESC g_aArgDumpPT[] =
197	{
198	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
199	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from." },
200	};
201
202
203	/** 'dpta' arguments. */
204	static const DBGCVARDESC g_aArgDumpPTAddr[] =
205	{
206	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
207	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page table entry to start dumping from." },
208	};
209
210
211	/** 'dt' arguments. */
212	static const DBGCVARDESC g_aArgDumpTSS[] =
213	{
214	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
215	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "tss", "TSS selector number." },
216	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "tss:ign\|addr", "TSS address. If the selector is a TSS selector, the offset will be ignored." }
217	};
218
219
220	/** 'dti' arguments. */
221	static const DBGCVARDESC g_aArgDumpTypeInfo[] =
222	{
223	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
224	{ 1, 1, DBGCVAR_CAT_STRING, 0, "type", "The type to dump" },
225	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "levels", "How many levels to dump the type information" }
226	};
227
228
229	/** 'dtv' arguments. */
230	static const DBGCVARDESC g_aArgDumpTypedVal[] =
231	{
232	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
233	{ 1, 1, DBGCVAR_CAT_STRING, 0, "type", "The type to use" },
234	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address to start dumping from." },
235	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "levels", "How many levels to dump" }
236	};
237
238
239	/** 'e?' arguments. */
240	static const DBGCVARDESC g_aArgEditMem[] =
241	{
242	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
243	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to write." },
244	{ 1, ~0U, DBGCVAR_CAT_NUMBER, 0, "value", "Value to write." },
245	};
246
247
248	/** 'g' arguments. */
249	static const DBGCVARDESC g_aArgGo[] =
250	{
251	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
252	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "idCpu", "CPU ID." },
253	};
254
255
256	/** 'lm' arguments. */
257	static const DBGCVARDESC g_aArgListMods[] =
258	{
259	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
260	{ 0, ~0U, DBGCVAR_CAT_STRING, 0, "module", "Module name." },
261	};
262
263
264	/** 'ln' arguments. */
265	static const DBGCVARDESC g_aArgListNear[] =
266	{
267	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
268	{ 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Address of the symbol to look up." },
269	{ 0, ~0U, DBGCVAR_CAT_SYMBOL, 0, "symbol", "Symbol to lookup." },
270	};
271
272
273	/** 'ls' arguments. */
274	static const DBGCVARDESC g_aArgListSource[] =
275	{
276	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
277	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start looking for source lines." },
278	};
279
280
281	/** 'm' argument. */
282	static const DBGCVARDESC g_aArgMemoryInfo[] =
283	{
284	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
285	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Pointer to obtain info about." },
286	};
287
288
289	/** 'p', 'pc', 'pt', 't', 'tc' and 'tt' arguments. */
290	static const DBGCVARDESC g_aArgStepTrace[] =
291	{
292	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
293	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "count", "Number of instructions or source lines to step." },
294	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed afterwards. Quote it!" },
295	};
296
297
298	/** 'pa' and 'ta' arguments. */
299	static const DBGCVARDESC g_aArgStepTraceTo[] =
300	{
301	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
302	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Where to stop" },
303	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed afterwards. Quote it!" },
304	};
305
306
307	/** 'r' arguments. */
308	static const DBGCVARDESC g_aArgReg[] =
309	{
310	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
311	{ 0, 1, DBGCVAR_CAT_SYMBOL, 0, "register", "Register to show or set." },
312	{ 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "=", "Equal sign." },
313	{ 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "value", "New register value." },
314	};
315
316
317	/** 's' arguments. */
318	static const DBGCVARDESC g_aArgSearchMem[] =
319	{
320	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
321	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-b", "Byte string." },
322	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-w", "Word string." },
323	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-d", "DWord string." },
324	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-q", "QWord string." },
325	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-a", "ASCII string." },
326	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-u", "Unicode string." },
327	{ 0, 1, DBGCVAR_CAT_OPTION_NUMBER, 0, "-n <Hits>", "Maximum number of hits." },
328	{ 0, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
329	{ 0, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
330	};
331
332
333	/** 's?' arguments. */
334	static const DBGCVARDESC g_aArgSearchMemType[] =
335	{
336	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
337	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
338	{ 1, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
339	};
340
341
342	/** 'sxe', 'sxn', 'sxi', 'sx-' arguments. */
343	static const DBGCVARDESC g_aArgEventCtrl[] =
344	{
345	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
346	{ 0, 1, DBGCVAR_CAT_STRING, 0, "-c", "The -c option, requires <cmds>." },
347	{ 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "cmds", "Command to execute on this event." },
348	{ 0 /weird/, ~0U, DBGCVAR_CAT_STRING, 0, "event", "One or more events, 'all' refering to all events." },
349	};
350
351	/** 'sx' and 'sr' arguments. */
352	static const DBGCVARDESC g_aArgEventCtrlOpt[] =
353	{
354	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
355	{ 0, ~0U, DBGCVAR_CAT_STRING, 0, "event", "Zero or more events, 'all' refering to all events and being the default." },
356	};
357
358	/** 'u' arguments. */
359	static const DBGCVARDESC g_aArgUnassemble[] =
360	{
361	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
362	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." },
363	};
364
365	/** 'ucfg' arguments. */
366	static const DBGCVARDESC g_aArgUnassembleCfg[] =
367	{
368	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
369	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." },
370	};
371
372	/** 'x' arguments. */
373	static const DBGCVARDESC g_aArgListSyms[] =
374	{
375	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
376	{ 1, 1, DBGCVAR_CAT_STRING, 0, "symbols", "The symbols to list, format is Module!Symbol with wildcards being supoprted." }
377	};
378
379	/** 'tflowc' arguments. */
380	static const DBGCVARDESC g_aArgTraceFlowClear[] =
381	{
382	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
383	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#tf", "Trace flow module number." },
384	{ 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All trace flow modules." },
385	};
386
387	/** 'tflowd' arguments. */
388	static const DBGCVARDESC g_aArgTraceFlowDisable[] =
389	{
390	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
391	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#tf", "Trace flow module number." },
392	{ 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All trace flow modules." },
393	};
394
395	/** 'tflowe' arguments. */
396	static const DBGCVARDESC g_aArgTraceFlowEnable[] =
397	{
398	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
399	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start tracing." },
400	{ 0, 1, DBGCVAR_CAT_OPTION_NUMBER, 0, "<Hits>", "Maximum number of hits before the module is disabled." }
401	};
402
403	/** 'tflowp', 'tflowr' arguments. */
404	static const DBGCVARDESC g_aArgTraceFlowPrintReset[] =
405	{
406	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
407	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#tf", "Trace flow module number." },
408	{ 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All trace flow modules." },
409	};
410
411	/** Command descriptors for the CodeView / WinDbg emulation.
412	* The emulation isn't attempting to be identical, only somewhat similar.
413	*/
414	const DBGCCMD g_aCmdsCodeView[] =
415	{
416	/* pszCmd, cArgsMin, cArgsMax, paArgDescs, cArgDescs, fFlags, pfnHandler pszSyntax, ....pszDescription */
417	{ "ba", 3, 6, &g_aArgBrkAcc[0], RT_ELEMENTS(g_aArgBrkAcc), 0, dbgcCmdBrkAccess, "<access> <size> <address> [passes [max passes]] [cmds]",
418	"Sets a data access breakpoint." },
419	{ "bc", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkClear, "all \| <bp#> [bp# []]", "Deletes a set of breakpoints." },
420	{ "bd", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkDisable, "all \| <bp#> [bp# []]", "Disables a set of breakpoints." },
421	{ "be", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkEnable, "all \| <bp#> [bp# []]", "Enables a set of breakpoints." },
422	{ "bl", 0, 0, NULL, 0, 0, dbgcCmdBrkList, "", "Lists all the breakpoints." },
423	{ "bp", 1, 4, &g_aArgBrkSet[0], RT_ELEMENTS(g_aArgBrkSet), 0, dbgcCmdBrkSet, "<address> [passes [max passes]] [cmds]",
424	"Sets a breakpoint (int 3)." },
425	{ "br", 1, 4, &g_aArgBrkREM[0], RT_ELEMENTS(g_aArgBrkREM), 0, dbgcCmdBrkREM, "<address> [passes [max passes]] [cmds]",
426	"Sets a recompiler specific breakpoint." },
427	{ "d", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory using last element size and type." },
428	{ "dF", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as far 16:16." },
429	{ "dFs", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as far 16:16 with near symbols." },
430	{ "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
431	{ "db", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in bytes." },
432	{ "dd", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in double words." },
433	{ "dds", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as double words with near symbols." },
434	{ "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
435	{ "dg", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT)." },
436	{ "dga", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT) including not-present entries." },
437	{ "di", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT)." },
438	{ "dia", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT) including not-present entries." },
439	{ "dl", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT)." },
440	{ "dla", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT) including not-present entries." },
441	{ "dpd", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr\|index]", "Dumps page directory entries of the default context." },
442	{ "dpda", 0, 1, &g_aArgDumpPDAddr[0],RT_ELEMENTS(g_aArgDumpPDAddr), 0, dbgcCmdDumpPageDir, "[addr]", "Dumps memory at given address as a page directory." },
443	{ "dpdb", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDirBoth, "[addr\|index]", "Dumps page directory entries of the guest and the hypervisor. " },
444	{ "dpdg", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr\|index]", "Dumps page directory entries of the guest." },
445	{ "dpdh", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr\|index]", "Dumps page directory entries of the hypervisor. " },
446	{ "dph", 0, 3, &g_aArgDumpPH[0], RT_ELEMENTS(g_aArgDumpPH), 0, dbgcCmdDumpPageHierarchy, "[addr [cr3 [mode]]", "Dumps the paging hierarchy at for specfied address range. Default context." },
447	{ "dphg", 0, 3, &g_aArgDumpPH[0], RT_ELEMENTS(g_aArgDumpPH), 0, dbgcCmdDumpPageHierarchy, "[addr [cr3 [mode]]", "Dumps the paging hierarchy at for specfied address range. Guest context." },
448	{ "dphh", 0, 3, &g_aArgDumpPH[0], RT_ELEMENTS(g_aArgDumpPH), 0, dbgcCmdDumpPageHierarchy, "[addr [cr3 [mode]]", "Dumps the paging hierarchy at for specfied address range. Hypervisor context." },
449	{ "dp", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in mode sized words." },
450	{ "dps", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in mode sized words with near symbols." },
451	{ "dpt", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the default context." },
452	{ "dpta", 1, 1, &g_aArgDumpPTAddr[0],RT_ELEMENTS(g_aArgDumpPTAddr), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps memory at given address as a page table." },
453	{ "dptb", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTableBoth,"<addr>", "Dumps page table entries of the guest and the hypervisor." },
454	{ "dptg", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the guest." },
455	{ "dpth", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the hypervisor." },
456	{ "dq", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in quad words." },
457	{ "dqs", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as quad words with near symbols." },
458	{ "dt", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the task state segment (TSS)." },
459	{ "dt16", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the 16-bit task state segment (TSS)." },
460	{ "dt32", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the 32-bit task state segment (TSS)." },
461	{ "dt64", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the 64-bit task state segment (TSS)." },
462	{ "dti", 1, 2, &g_aArgDumpTypeInfo[0],RT_ELEMENTS(g_aArgDumpTypeInfo), 0, dbgcCmdDumpTypeInfo,"<type> [levels]", "Dump type information." },
463	{ "dtv", 2, 3, &g_aArgDumpTypedVal[0],RT_ELEMENTS(g_aArgDumpTypedVal), 0, dbgcCmdDumpTypedVal,"<type> <addr> [levels]", "Dump a memory buffer using the information in the given type." },
464	{ "du", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as unicode string (little endian)." },
465	{ "dw", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in words." },
466	/** @todo add 'e', 'ea str', 'eza str', 'eu str' and 'ezu str'. See also
467	* dbgcCmdSearchMem and its dbgcVarsToBytes usage. */
468	{ "eb", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 1-byte value to memory." },
469	{ "ew", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 2-byte value to memory." },
470	{ "ed", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 4-byte value to memory." },
471	{ "eq", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 8-byte value to memory." },
472	{ "g", 0, 1, &g_aArgGo[0], RT_ELEMENTS(g_aArgGo), 0, dbgcCmdGo, "[idCpu]", "Continue execution of all or the specified CPU. (The latter is not recommended unless you know exactly what you're doing.)" },
473	{ "gu", 0, 0, NULL, 0, 0, dbgcCmdGoUp, "", "Go up - continue execution till after return." },
474	{ "k", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack." },
475	{ "kv", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Verbose callstack." },
476	{ "kg", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - guest." },
477	{ "kgv", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Verbose callstack - guest." },
478	{ "kh", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - hypervisor." },
479	{ "lm", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules." },
480	{ "lmv", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules, verbose." },
481	{ "lmo", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments." },
482	{ "lmov", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments, verbose." },
483	{ "ln", 0, ~0U, &g_aArgListNear[0], RT_ELEMENTS(g_aArgListNear), 0, dbgcCmdListNear, "[addr/sym [..]]", "List symbols near to the address. Default address is CS:EIP." },
484	{ "ls", 0, 1, &g_aArgListSource[0],RT_ELEMENTS(g_aArgListSource), 0, dbgcCmdListSource, "[addr]", "Source." },
485	{ "m", 1, 1, &g_aArgMemoryInfo[0],RT_ELEMENTS(g_aArgMemoryInfo), 0, dbgcCmdMemoryInfo, "<addr>", "Display information about that piece of memory." },
486	{ "p", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step over." },
487	{ "pr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." },
488	{ "pa", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Step to the given address." },
489	{ "pc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step to the next call instruction." },
490	{ "pt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step to the next return instruction." },
491	{ "r", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdReg, "[reg [[=] newval]]", "Show or set register(s) - active reg set." },
492	{ "rg", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegGuest, "[reg [[=] newval]]", "Show or set register(s) - guest reg set." },
493	{ "rg32", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 32-bit guest registers." },
494	{ "rg64", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 64-bit guest registers." },
495	{ "rt", 0, 0, NULL, 0, 0, dbgcCmdRegTerse, "", "Toggles terse / verbose register info." },
496	{ "s", 0, ~0U, &g_aArgSearchMem[0], RT_ELEMENTS(g_aArgSearchMem), 0, dbgcCmdSearchMem, "[options] <range> <pattern>", "Continue last search." },
497	{ "sa", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an ascii string." },
498	{ "sb", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more bytes." },
499	{ "sd", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more double words." },
500	{ "sq", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more quad words." },
501	{ "su", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an unicode string." },
502	{ "sw", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more words." },
503	{ "sx", 0, ~0U, &g_aArgEventCtrlOpt[0], RT_ELEMENTS(g_aArgEventCtrlOpt), 0, dbgcCmdEventCtrlList, "[<event> [..]]", "Lists settings for exceptions, exits and other events. All if no filter is specified." },
504	{ "sx-", 3, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "-c <cmd> <event> [..]", "Modifies the command for one or more exceptions, exits or other event. 'all' addresses all." },
505	{ "sxe", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Enable: Break into the debugger on the specified exceptions, exits and other events. 'all' addresses all." },
506	{ "sxn", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Notify: Display info in the debugger and continue on the specified exceptions, exits and other events. 'all' addresses all." },
507	{ "sxi", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Ignore: Ignore the specified exceptions, exits and other events ('all' = all of them). Without the -c option, the guest runs like normal." },
508	{ "sxr", 0, 0, &g_aArgEventCtrlOpt[0], RT_ELEMENTS(g_aArgEventCtrlOpt), 0, dbgcCmdEventCtrlReset, "", "Reset the settings to default for exceptions, exits and other events. All if no filter is specified." },
509	{ "t", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace ." },
510	{ "tflowc", 1, ~0U, &g_aArgTraceFlowClear[0], RT_ELEMENTS(g_aArgTraceFlowClear), 0, dbgcCmdTraceFlowClear, "all \| <tf#> [tf# []]", "Clears trace execution flow for the given method." },
511	{ "tflowd", 0, 1, &g_aArgTraceFlowDisable[0], RT_ELEMENTS(g_aArgTraceFlowDisable), 0, dbgcCmdTraceFlowDisable, "all \| <tf#> [tf# []]", "Disables trace execution flow for the given method." },
512	{ "tflowe", 0, 2, &g_aArgTraceFlowEnable[0], RT_ELEMENTS(g_aArgTraceFlowEnable), 0, dbgcCmdTraceFlowEnable, "<addr> <hits>", "Enable trace execution flow of the given method." },
513	{ "tflowp", 0, 1, &g_aArgTraceFlowPrintReset[0], RT_ELEMENTS(g_aArgTraceFlowPrintReset), 0, dbgcCmdTraceFlowPrint, "all \| <tf#> [tf# []]", "Prints the collected trace data of the given method." },
514	{ "tflowr", 0, 1, &g_aArgTraceFlowPrintReset[0], RT_ELEMENTS(g_aArgTraceFlowPrintReset), 0, dbgcCmdTraceFlowReset, "all \| <tf#> [tf# []]", "Resets the collected trace data of the given trace flow module." },
515	{ "tr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." },
516	{ "ta", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Trace to the given address." },
517	{ "tc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next call instruction." },
518	{ "tt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next return instruction." },
519	{ "u", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble." },
520	{ "u64", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 64-bit code." },
521	{ "u32", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 32-bit code." },
522	{ "u16", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code." },
523	{ "uv86", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code with v8086/real mode addressing." },
524	{ "ucfg", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph." },
525	{ "ucfgc", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph with colors." },
526	{ "x", 1, 1, &g_aArgListSyms[0], RT_ELEMENTS(g_aArgListSyms), 0, dbgcCmdListSymbols, "* \| <Module!Symbol>", "Examine symbols." },
527	};
528
529	/** The number of commands in the CodeView/WinDbg emulation. */
530	const uint32_t g_cCmdsCodeView = RT_ELEMENTS(g_aCmdsCodeView);
531
532
533	/**
534	* Selectable debug event descriptors.
535	*
536	* @remarks Sorted by DBGCSXEVT::enmType value.
537	*/
538	const DBGCSXEVT g_aDbgcSxEvents[] =
539	{
540	{ DBGFEVENT_INTERRUPT_HARDWARE, "hwint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Hardware interrupt" },
541	{ DBGFEVENT_INTERRUPT_SOFTWARE, "swint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Software interrupt" },
542	{ DBGFEVENT_TRIPLE_FAULT, "triplefault", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Enabled, 0, "Triple fault "},
543	{ DBGFEVENT_XCPT_DE, "xcpt_de", "de", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DE (integer divide error)" },
544	{ DBGFEVENT_XCPT_DB, "xcpt_db", "db", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DB (debug)" },
545	{ DBGFEVENT_XCPT_02, "xcpt_02", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
546	{ DBGFEVENT_XCPT_BP, "xcpt_bp", "bp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BP (breakpoint)" },
547	{ DBGFEVENT_XCPT_OF, "xcpt_of", "of", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#OF (overflow (INTO))" },
548	{ DBGFEVENT_XCPT_BR, "xcpt_br", "br", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BR (bound range exceeded)" },
549	{ DBGFEVENT_XCPT_UD, "xcpt_ud", "ud", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#UD (undefined opcode)" },
550	{ DBGFEVENT_XCPT_NM, "xcpt_nm", "nm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#NM (FPU not available)" },
551	{ DBGFEVENT_XCPT_DF, "xcpt_df", "df", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DF (double fault)" },
552	{ DBGFEVENT_XCPT_09, "xcpt_09", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "Coprocessor segment overrun" },
553	{ DBGFEVENT_XCPT_TS, "xcpt_ts", "ts", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#TS (task switch)" },
554	{ DBGFEVENT_XCPT_NP, "xcpt_np", "np", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#NP (segment not present)" },
555	{ DBGFEVENT_XCPT_SS, "xcpt_ss", "ss", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SS (stack segment fault)" },
556	{ DBGFEVENT_XCPT_GP, "xcpt_gp", "gp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#GP (general protection fault)" },
557	{ DBGFEVENT_XCPT_PF, "xcpt_pf", "pf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#PF (page fault)" },
558	{ DBGFEVENT_XCPT_0f, "xcpt_0f", "xcpt0f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
559	{ DBGFEVENT_XCPT_MF, "xcpt_mf", "mf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MF (math fault)" },
560	{ DBGFEVENT_XCPT_AC, "xcpt_ac", "ac", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#AC (alignment check)" },
561	{ DBGFEVENT_XCPT_MC, "xcpt_mc", "mc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MC (machine check)" },
562	{ DBGFEVENT_XCPT_XF, "xcpt_xf", "xf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#XF (SIMD floating-point exception)" },
563	{ DBGFEVENT_XCPT_VE, "xcpt_vd", "ve", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#VE (virtualization exception)" },
564	{ DBGFEVENT_XCPT_15, "xcpt_15", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
565	{ DBGFEVENT_XCPT_16, "xcpt_16", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
566	{ DBGFEVENT_XCPT_17, "xcpt_17", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
567	{ DBGFEVENT_XCPT_18, "xcpt_18", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
568	{ DBGFEVENT_XCPT_19, "xcpt_19", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
569	{ DBGFEVENT_XCPT_1a, "xcpt_1a", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
570	{ DBGFEVENT_XCPT_1b, "xcpt_1b", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
571	{ DBGFEVENT_XCPT_1c, "xcpt_1c", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
572	{ DBGFEVENT_XCPT_1d, "xcpt_1d", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
573	{ DBGFEVENT_XCPT_SX, "xcpt_sx", "sx", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SX (security exception)" },
574	{ DBGFEVENT_XCPT_1f, "xcpt_1f", "xcpt1f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
575	{ DBGFEVENT_INSTR_HALT, "instr_halt", "hlt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
576	{ DBGFEVENT_INSTR_MWAIT, "instr_mwait", "mwait", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
577	{ DBGFEVENT_INSTR_MONITOR, "instr_monitor", "monitor", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
578	{ DBGFEVENT_INSTR_CPUID, "instr_cpuid", "cpuid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
579	{ DBGFEVENT_INSTR_INVD, "instr_invd", "invd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
580	{ DBGFEVENT_INSTR_WBINVD, "instr_wbinvd", "wbinvd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
581	{ DBGFEVENT_INSTR_INVLPG, "instr_invlpg", "invlpg", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
582	{ DBGFEVENT_INSTR_RDTSC, "instr_rdtsc", "rdtsc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
583	{ DBGFEVENT_INSTR_RDTSCP, "instr_rdtscp", "rdtscp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
584	{ DBGFEVENT_INSTR_RDPMC, "instr_rdpmc", "rdpmc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
585	{ DBGFEVENT_INSTR_RDMSR, "instr_rdmsr", "rdmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
586	{ DBGFEVENT_INSTR_WRMSR, "instr_wrmsr", "wrmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
587	{ DBGFEVENT_INSTR_CRX_READ, "instr_crx_read", "crx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
588	{ DBGFEVENT_INSTR_CRX_WRITE, "instr_crx_write", "crx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
589	{ DBGFEVENT_INSTR_DRX_READ, "instr_drx_read", "drx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
590	{ DBGFEVENT_INSTR_DRX_WRITE, "instr_drx_write", "drx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
591	{ DBGFEVENT_INSTR_PAUSE, "instr_pause", "pause", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
592	{ DBGFEVENT_INSTR_XSETBV, "instr_xsetbv", "xsetbv", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
593	{ DBGFEVENT_INSTR_SIDT, "instr_sidt", "sidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
594	{ DBGFEVENT_INSTR_LIDT, "instr_lidt", "lidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
595	{ DBGFEVENT_INSTR_SGDT, "instr_sgdt", "sgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
596	{ DBGFEVENT_INSTR_LGDT, "instr_lgdt", "lgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
597	{ DBGFEVENT_INSTR_SLDT, "instr_sldt", "sldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
598	{ DBGFEVENT_INSTR_LLDT, "instr_lldt", "lldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
599	{ DBGFEVENT_INSTR_STR, "instr_str", "str", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
600	{ DBGFEVENT_INSTR_LTR, "instr_ltr", "ltr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
601	{ DBGFEVENT_INSTR_GETSEC, "instr_getsec", "getsec", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
602	{ DBGFEVENT_INSTR_RSM, "instr_rsm", "rsm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
603	{ DBGFEVENT_INSTR_RDRAND, "instr_rdrand", "rdrand", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
604	{ DBGFEVENT_INSTR_RDSEED, "instr_rdseed", "rdseed", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
605	{ DBGFEVENT_INSTR_XSAVES, "instr_xsaves", "xsaves", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
606	{ DBGFEVENT_INSTR_XRSTORS, "instr_xrstors", "xrstors", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
607	{ DBGFEVENT_INSTR_VMM_CALL, "instr_vmm_call", "vmm_call", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
608	{ DBGFEVENT_INSTR_VMX_VMCLEAR, "instr_vmx_vmclear", "vmclear", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
609	{ DBGFEVENT_INSTR_VMX_VMLAUNCH, "instr_vmx_vmlaunch", "vmlaunch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
610	{ DBGFEVENT_INSTR_VMX_VMPTRLD, "instr_vmx_vmptrld", "vmptrld", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
611	{ DBGFEVENT_INSTR_VMX_VMPTRST, "instr_vmx_vmptrst", "vmptrst", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
612	{ DBGFEVENT_INSTR_VMX_VMREAD, "instr_vmx_vmread", "vmread", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
613	{ DBGFEVENT_INSTR_VMX_VMRESUME, "instr_vmx_vmresume", "vmresume", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
614	{ DBGFEVENT_INSTR_VMX_VMWRITE, "instr_vmx_vmwrite", "vmwrite", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
615	{ DBGFEVENT_INSTR_VMX_VMXOFF, "instr_vmx_vmxoff", "vmxoff", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
616	{ DBGFEVENT_INSTR_VMX_VMXON, "instr_vmx_vmxon", "vmxon", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
617	{ DBGFEVENT_INSTR_VMX_VMFUNC, "instr_vmx_vmfunc", "vmfunc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
618	{ DBGFEVENT_INSTR_VMX_INVEPT, "instr_vmx_invept", "invept", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
619	{ DBGFEVENT_INSTR_VMX_INVVPID, "instr_vmx_invvpid", "invvpid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
620	{ DBGFEVENT_INSTR_VMX_INVPCID, "instr_vmx_invpcid", "invpcid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
621	{ DBGFEVENT_INSTR_SVM_VMRUN, "instr_svm_vmrun", "vmrun", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
622	{ DBGFEVENT_INSTR_SVM_VMLOAD, "instr_svm_vmload", "vmload", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
623	{ DBGFEVENT_INSTR_SVM_VMSAVE, "instr_svm_vmsave", "vmsave", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
624	{ DBGFEVENT_INSTR_SVM_STGI, "instr_svm_stgi", "stgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
625	{ DBGFEVENT_INSTR_SVM_CLGI, "instr_svm_clgi", "clgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
626	{ DBGFEVENT_EXIT_TASK_SWITCH, "exit_task_switch", "task_switch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
627	{ DBGFEVENT_EXIT_HALT, "exit_halt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
628	{ DBGFEVENT_EXIT_MWAIT, "exit_mwait", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
629	{ DBGFEVENT_EXIT_MONITOR, "exit_monitor", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
630	{ DBGFEVENT_EXIT_CPUID, "exit_cpuid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
631	{ DBGFEVENT_EXIT_INVD, "exit_invd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
632	{ DBGFEVENT_EXIT_WBINVD, "exit_wbinvd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
633	{ DBGFEVENT_EXIT_INVLPG, "exit_invlpg", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
634	{ DBGFEVENT_EXIT_RDTSC, "exit_rdtsc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
635	{ DBGFEVENT_EXIT_RDTSCP, "exit_rdtscp", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
636	{ DBGFEVENT_EXIT_RDPMC, "exit_rdpmc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
637	{ DBGFEVENT_EXIT_RDMSR, "exit_rdmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
638	{ DBGFEVENT_EXIT_WRMSR, "exit_wrmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
639	{ DBGFEVENT_EXIT_CRX_READ, "exit_crx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
640	{ DBGFEVENT_EXIT_CRX_WRITE, "exit_crx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
641	{ DBGFEVENT_EXIT_DRX_READ, "exit_drx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
642	{ DBGFEVENT_EXIT_DRX_WRITE, "exit_drx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
643	{ DBGFEVENT_EXIT_PAUSE, "exit_pause", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
644	{ DBGFEVENT_EXIT_XSETBV, "exit_xsetbv", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
645	{ DBGFEVENT_EXIT_SIDT, "exit_sidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
646	{ DBGFEVENT_EXIT_LIDT, "exit_lidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
647	{ DBGFEVENT_EXIT_SGDT, "exit_sgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
648	{ DBGFEVENT_EXIT_LGDT, "exit_lgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
649	{ DBGFEVENT_EXIT_SLDT, "exit_sldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
650	{ DBGFEVENT_EXIT_LLDT, "exit_lldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
651	{ DBGFEVENT_EXIT_STR, "exit_str", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
652	{ DBGFEVENT_EXIT_LTR, "exit_ltr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
653	{ DBGFEVENT_EXIT_GETSEC, "exit_getsec", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
654	{ DBGFEVENT_EXIT_RSM, "exit_rsm", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
655	{ DBGFEVENT_EXIT_RDRAND, "exit_rdrand", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
656	{ DBGFEVENT_EXIT_RDSEED, "exit_rdseed", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
657	{ DBGFEVENT_EXIT_XSAVES, "exit_xsaves", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
658	{ DBGFEVENT_EXIT_XRSTORS, "exit_xrstors", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
659	{ DBGFEVENT_EXIT_VMM_CALL, "exit_vmm_call", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
660	{ DBGFEVENT_EXIT_VMX_VMCLEAR, "exit_vmx_vmclear", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
661	{ DBGFEVENT_EXIT_VMX_VMLAUNCH, "exit_vmx_vmlaunch", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
662	{ DBGFEVENT_EXIT_VMX_VMPTRLD, "exit_vmx_vmptrld", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
663	{ DBGFEVENT_EXIT_VMX_VMPTRST, "exit_vmx_vmptrst", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
664	{ DBGFEVENT_EXIT_VMX_VMREAD, "exit_vmx_vmread", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
665	{ DBGFEVENT_EXIT_VMX_VMRESUME, "exit_vmx_vmresume", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
666	{ DBGFEVENT_EXIT_VMX_VMWRITE, "exit_vmx_vmwrite", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
667	{ DBGFEVENT_EXIT_VMX_VMXOFF, "exit_vmx_vmxoff", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
668	{ DBGFEVENT_EXIT_VMX_VMXON, "exit_vmx_vmxon", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
669	{ DBGFEVENT_EXIT_VMX_VMFUNC, "exit_vmx_vmfunc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
670	{ DBGFEVENT_EXIT_VMX_INVEPT, "exit_vmx_invept", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
671	{ DBGFEVENT_EXIT_VMX_INVVPID, "exit_vmx_invvpid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
672	{ DBGFEVENT_EXIT_VMX_INVPCID, "exit_vmx_invpcid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
673	{ DBGFEVENT_EXIT_VMX_EPT_VIOLATION, "exit_vmx_ept_violation", "eptvio", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
674	{ DBGFEVENT_EXIT_VMX_EPT_MISCONFIG, "exit_vmx_ept_misconfig", "eptmis", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
675	{ DBGFEVENT_EXIT_VMX_VAPIC_ACCESS, "exit_vmx_vapic_access", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
676	{ DBGFEVENT_EXIT_VMX_VAPIC_WRITE, "exit_vmx_vapic_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
677	{ DBGFEVENT_EXIT_SVM_VMRUN, "exit_svm_vmrun", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
678	{ DBGFEVENT_EXIT_SVM_VMLOAD, "exit_svm_vmload", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
679	{ DBGFEVENT_EXIT_SVM_VMSAVE, "exit_svm_vmsave", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
680	{ DBGFEVENT_EXIT_SVM_STGI, "exit_svm_stgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
681	{ DBGFEVENT_EXIT_SVM_CLGI, "exit_svm_clgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
682	{ DBGFEVENT_IOPORT_UNASSIGNED, "pio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
683	{ DBGFEVENT_IOPORT_UNUSED, "pio_unused", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
684	{ DBGFEVENT_MEMORY_UNASSIGNED, "mmio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
685	{ DBGFEVENT_MEMORY_ROM_WRITE, "rom_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
686	{ DBGFEVENT_BSOD_MSR, "bsod_msr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL },
687	{ DBGFEVENT_BSOD_EFI, "bsod_efi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL },
688	{ DBGFEVENT_BSOD_VMMDEV, "bsod_vmmdev", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL },
689	};
690	/** Number of entries in g_aDbgcSxEvents. */
691	const uint32_t g_cDbgcSxEvents = RT_ELEMENTS(g_aDbgcSxEvents);
692
693
694
695	/**
696	* @callback_method_impl{FNDBGCCMD, The 'g' command.}
697	*/
698	static DECLCALLBACK(int) dbgcCmdGo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
699	{
700	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
701
702	/*
703	* Parse arguments.
704	*/
705	VMCPUID idCpu = VMCPUID_ALL;
706	if (cArgs == 1)
707	{
708	VMCPUID cCpus = DBGFR3CpuGetCount(pUVM);
709	if (paArgs[0].u.u64Number >= cCpus)
710	return DBGCCmdHlpFail(pCmdHlp, pCmd, "idCpu %RU64 is out of range! Highest valid ID is %u.\n",
711	paArgs[0].u.u64Number, cCpus - 1);
712	idCpu = (VMCPUID)paArgs[0].u.u64Number;
713	}
714	else
715	Assert(cArgs == 0);
716
717	/*
718	* Try resume the VM or CPU.
719	*/
720	int rc = DBGFR3Resume(pUVM, idCpu);
721	if (RT_SUCCESS(rc))
722	{
723	Assert(rc == VINF_SUCCESS \|\| rc == VWRN_DBGF_ALREADY_RUNNING);
724	if (rc != VWRN_DBGF_ALREADY_RUNNING)
725	return VINF_SUCCESS;
726	if (idCpu == VMCPUID_ALL)
727	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The VM is already running");
728	return DBGCCmdHlpFail(pCmdHlp, pCmd, "CPU %u is already running", idCpu);
729	}
730	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3Resume");
731	}
732
733
734	/**
735	* @callback_method_impl{FNDBGCCMD, The 'gu' command.}
736	*/
737	static DECLCALLBACK(int) dbgcCmdGoUp(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
738	{
739	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
740	RT_NOREF(pCmd, paArgs, cArgs);
741
742	/* The simple way out. */
743	PDBGFADDRESS pStackPop = NULL; /** @todo try set up some stack limitations */
744	RTGCPTR cbStackPop = 0;
745	int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, DBGF_STEP_F_OVER \| DBGF_STEP_F_STOP_AFTER_RET, NULL, pStackPop, cbStackPop, _512K);
746	if (RT_SUCCESS(rc))
747	pDbgc->fReady = false;
748	else
749	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,DBGF_STEP_F_OVER \| DBGF_STEP_F_STOP_AFTER_RET,) failed");
750	return rc;
751	}
752
753
754	/**
755	* @callback_method_impl{FNDBGCCMD, The 'ba' command.}
756	*/
757	static DECLCALLBACK(int) dbgcCmdBrkAccess(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
758	{
759	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
760
761	/*
762	* Interpret access type.
763	*/
764	if ( !strchr("xrwi", paArgs[0].u.pszString[0])
765	\|\| paArgs[0].u.pszString[1])
766	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access type '%s' for '%s'. Valid types are 'e', 'r', 'w' and 'i'",
767	paArgs[0].u.pszString, pCmd->pszCmd);
768	uint8_t fType = 0;
769	switch (paArgs[0].u.pszString[0])
770	{
771	case 'x': fType = X86_DR7_RW_EO; break;
772	case 'r': fType = X86_DR7_RW_RW; break;
773	case 'w': fType = X86_DR7_RW_WO; break;
774	case 'i': fType = X86_DR7_RW_IO; break;
775	}
776
777	/*
778	* Validate size.
779	*/
780	if (fType == X86_DR7_RW_EO && paArgs[1].u.u64Number != 1)
781	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 'x' access type requires size 1!",
782	paArgs[1].u.u64Number, pCmd->pszCmd);
783	switch (paArgs[1].u.u64Number)
784	{
785	case 1:
786	case 2:
787	case 4:
788	break;
789	/case 8: - later/
790	default:
791	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 1, 2 or 4!",
792	paArgs[1].u.u64Number, pCmd->pszCmd);
793	}
794	uint8_t cb = (uint8_t)paArgs[1].u.u64Number;
795
796	/*
797	* Convert the pointer to a DBGF address.
798	*/
799	DBGFADDRESS Address;
800	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[2], &Address);
801	if (RT_FAILURE(rc))
802	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%DV,)", &paArgs[2]);
803
804	/*
805	* Pick out the optional arguments.
806	*/
807	uint64_t iHitTrigger = 0;
808	uint64_t iHitDisable = UINT64_MAX;
809	const char *pszCmds = NULL;
810	unsigned iArg = 3;
811	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
812	{
813	iHitTrigger = paArgs[iArg].u.u64Number;
814	iArg++;
815	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
816	{
817	iHitDisable = paArgs[iArg].u.u64Number;
818	iArg++;
819	}
820	}
821	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
822	{
823	pszCmds = paArgs[iArg].u.pszString;
824	iArg++;
825	}
826
827	/*
828	* Try set the breakpoint.
829	*/
830	uint32_t iBp;
831	rc = DBGFR3BpSetReg(pUVM, &Address, iHitTrigger, iHitDisable, fType, cb, &iBp);
832	if (RT_SUCCESS(rc))
833	{
834	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
835	rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
836	if (RT_SUCCESS(rc))
837	return DBGCCmdHlpPrintf(pCmdHlp, "Set access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
838	if (rc == VERR_DBGC_BP_EXISTS)
839	{
840	rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
841	if (RT_SUCCESS(rc))
842	return DBGCCmdHlpPrintf(pCmdHlp, "Updated access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
843	}
844	int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
845	AssertRC(rc2);
846	}
847	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set access breakpoint at %RGv", Address.FlatPtr);
848	}
849
850
851	/**
852	* @callback_method_impl{FNDBGCCMD, The 'bc' command.}
853	*/
854	static DECLCALLBACK(int) dbgcCmdBrkClear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
855	{
856	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
857
858	/*
859	* Enumerate the arguments.
860	*/
861	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
862	int rc = VINF_SUCCESS;
863	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
864	{
865	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
866	{
867	/* one */
868	uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
869	if (iBp == paArgs[iArg].u.u64Number)
870	{
871	int rc2 = DBGFR3BpClear(pUVM, iBp);
872	if (RT_FAILURE(rc2))
873	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
874	if (RT_SUCCESS(rc2) \|\| rc2 == VERR_DBGF_BP_NOT_FOUND)
875	dbgcBpDelete(pDbgc, iBp);
876	}
877	else
878	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
879	}
880	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
881	{
882	/* all */
883	PDBGCBP pBp = pDbgc->pFirstBp;
884	while (pBp)
885	{
886	uint32_t iBp = pBp->iBp;
887	pBp = pBp->pNext;
888
889	int rc2 = DBGFR3BpClear(pUVM, iBp);
890	if (RT_FAILURE(rc2))
891	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
892	if (RT_SUCCESS(rc2) \|\| rc2 == VERR_DBGF_BP_NOT_FOUND)
893	dbgcBpDelete(pDbgc, iBp);
894	}
895	}
896	else
897	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
898	}
899	return rc;
900	}
901
902
903	/**
904	* @callback_method_impl{FNDBGCCMD, The 'bd' command.}
905	*/
906	static DECLCALLBACK(int) dbgcCmdBrkDisable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
907	{
908	/*
909	* Enumerate the arguments.
910	*/
911	int rc = VINF_SUCCESS;
912	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
913	{
914	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
915	{
916	/* one */
917	uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
918	if (iBp == paArgs[iArg].u.u64Number)
919	{
920	rc = DBGFR3BpDisable(pUVM, iBp);
921	if (RT_FAILURE(rc))
922	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpDisable failed for breakpoint %#x", iBp);
923	}
924	else
925	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
926	}
927	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
928	{
929	/* all */
930	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
931	for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
932	{
933	int rc2 = DBGFR3BpDisable(pUVM, pBp->iBp);
934	if (RT_FAILURE(rc2))
935	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpDisable failed for breakpoint %#x", pBp->iBp);
936	}
937	}
938	else
939	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
940	}
941	return rc;
942	}
943
944
945	/**
946	* @callback_method_impl{FNDBGCCMD, The 'be' command.}
947	*/
948	static DECLCALLBACK(int) dbgcCmdBrkEnable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
949	{
950	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
951
952	/*
953	* Enumerate the arguments.
954	*/
955	int rc = VINF_SUCCESS;
956	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
957	{
958	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
959	{
960	/* one */
961	uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
962	if (iBp == paArgs[iArg].u.u64Number)
963	{
964	rc = DBGFR3BpEnable(pUVM, iBp);
965	if (RT_FAILURE(rc))
966	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnable failed for breakpoint %#x", iBp);
967	}
968	else
969	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
970	}
971	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
972	{
973	/* all */
974	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
975	for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
976	{
977	int rc2 = DBGFR3BpEnable(pUVM, pBp->iBp);
978	if (RT_FAILURE(rc2))
979	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpEnable failed for breakpoint %#x", pBp->iBp);
980	}
981	}
982	else
983	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
984	}
985	return rc;
986	}
987
988
989	/**
990	* Breakpoint enumeration callback function.
991	*
992	* @returns VBox status code. Any failure will stop the enumeration.
993	* @param pUVM The user mode VM handle.
994	* @param pvUser The user argument.
995	* @param hBp The DBGF breakpoint handle.
996	* @param pBp Pointer to the breakpoint information. (readonly)
997	*/
998	static DECLCALLBACK(int) dbgcEnumBreakpointsCallback(PUVM pUVM, void *pvUser, DBGFBP hBp, PCDBGFBPPUB pBp)
999	{
1000	PDBGC pDbgc = (PDBGC)pvUser;
1001	PDBGCBP pDbgcBp = dbgcBpGet(pDbgc, hBp);
1002
1003	/*
1004	* BP type and size.
1005	*/
1006	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%#4x %c ", hBp, DBGF_BP_PUB_IS_ENABLED(pBp) ? 'e' : 'd');
1007	bool fHasAddress = false;
1008	switch (DBGF_BP_PUB_GET_TYPE(pBp))
1009	{
1010	case DBGFBPTYPE_INT3:
1011	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " p %RGv", pBp->u.Int3.GCPtr);
1012	fHasAddress = true;
1013	break;
1014	case DBGFBPTYPE_REG:
1015	{
1016	char chType;
1017	switch (pBp->u.Reg.fType)
1018	{
1019	case X86_DR7_RW_EO: chType = 'x'; break;
1020	case X86_DR7_RW_WO: chType = 'w'; break;
1021	case X86_DR7_RW_IO: chType = 'i'; break;
1022	case X86_DR7_RW_RW: chType = 'r'; break;
1023	default: chType = '?'; break;
1024
1025	}
1026	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%d %c %RGv", pBp->u.Reg.cb, chType, pBp->u.Reg.GCPtr);
1027	fHasAddress = true;
1028	break;
1029	}
1030
1031	/** @todo realign the list when I/O and MMIO breakpoint command have been added and it's possible to test this code. */
1032	case DBGFBPTYPE_PORT_IO:
1033	case DBGFBPTYPE_MMIO:
1034	{
1035	uint32_t fAccess = DBGF_BP_PUB_GET_TYPE(pBp) == DBGFBPTYPE_PORT_IO ? pBp->u.PortIo.fAccess : pBp->u.Mmio.fAccess;
1036	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, DBGF_BP_PUB_GET_TYPE(pBp) == DBGFBPTYPE_PORT_IO ? " i" : " m");
1037	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
1038	fAccess & DBGFBPIOACCESS_READ_MASK ? 'r' : '-',
1039	fAccess & DBGFBPIOACCESS_READ_BYTE ? '1' : '-',
1040	fAccess & DBGFBPIOACCESS_READ_WORD ? '2' : '-',
1041	fAccess & DBGFBPIOACCESS_READ_DWORD ? '4' : '-',
1042	fAccess & DBGFBPIOACCESS_READ_QWORD ? '8' : '-',
1043	fAccess & DBGFBPIOACCESS_READ_OTHER ? '+' : '-');
1044	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
1045	fAccess & DBGFBPIOACCESS_WRITE_MASK ? 'w' : '-',
1046	fAccess & DBGFBPIOACCESS_WRITE_BYTE ? '1' : '-',
1047	fAccess & DBGFBPIOACCESS_WRITE_WORD ? '2' : '-',
1048	fAccess & DBGFBPIOACCESS_WRITE_DWORD ? '4' : '-',
1049	fAccess & DBGFBPIOACCESS_WRITE_QWORD ? '8' : '-',
1050	fAccess & DBGFBPIOACCESS_WRITE_OTHER ? '+' : '-');
1051	if (DBGF_BP_PUB_GET_TYPE(pBp) == DBGFBPTYPE_PORT_IO)
1052	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04x-%04x",
1053	pBp->u.PortIo.uPort, pBp->u.PortIo.uPort + pBp->u.PortIo.cPorts - 1);
1054	else
1055	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%RGp LB %03x", pBp->u.Mmio.PhysAddr, pBp->u.Mmio.cb);
1056	break;
1057	}
1058
1059	default:
1060	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " unknown type %d!!", DBGF_BP_PUB_GET_TYPE(pBp));
1061	AssertFailed();
1062	break;
1063
1064	}
1065	if (pBp->iHitDisable == ~(uint64_t)0)
1066	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to ~0) ", pBp->cHits, pBp->iHitTrigger);
1067	else
1068	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to %04RX64)", pBp->cHits, pBp->iHitTrigger, pBp->iHitDisable);
1069
1070	/*
1071	* Try resolve the address if it has one.
1072	*/
1073	if (fHasAddress)
1074	{
1075	RTDBGSYMBOL Sym;
1076	RTINTPTR off;
1077	DBGFADDRESS Addr;
1078	int rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, pBp->u.GCPtr),
1079	RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL \| RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
1080	&off, &Sym, NULL);
1081	if (RT_SUCCESS(rc))
1082	{
1083	if (!off)
1084	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s", Sym.szName);
1085	else if (off > 0)
1086	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s+%RGv", Sym.szName, off);
1087	else
1088	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s-%RGv", Sym.szName, -off);
1089	}
1090	}
1091
1092	/*
1093	* The commands.
1094	*/
1095	if (pDbgcBp)
1096	{
1097	if (pDbgcBp->cchCmd)
1098	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n cmds: '%s'\n", pDbgcBp->szCmd);
1099	else
1100	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n");
1101	}
1102	else
1103	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " [unknown bp]\n");
1104
1105	return VINF_SUCCESS;
1106	}
1107
1108
1109	/**
1110	* @callback_method_impl{FNDBGCCMD, The 'bl' command.}
1111	*/
1112	static DECLCALLBACK(int) dbgcCmdBrkList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1113	{
1114	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1115	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs == 0);
1116	NOREF(paArgs);
1117
1118	/*
1119	* Enumerate the breakpoints.
1120	*/
1121	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1122	int rc = DBGFR3BpEnum(pUVM, dbgcEnumBreakpointsCallback, pDbgc);
1123	if (RT_FAILURE(rc))
1124	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnum");
1125	return rc;
1126	}
1127
1128
1129	/**
1130	* @callback_method_impl{FNDBGCCMD, The 'bp' command.}
1131	*/
1132	static DECLCALLBACK(int) dbgcCmdBrkSet(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1133	{
1134	/*
1135	* Convert the pointer to a DBGF address.
1136	*/
1137	DBGFADDRESS Address;
1138	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1139	if (RT_FAILURE(rc))
1140	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1141
1142	/*
1143	* Pick out the optional arguments.
1144	*/
1145	uint64_t iHitTrigger = 0;
1146	uint64_t iHitDisable = UINT64_MAX;
1147	const char *pszCmds = NULL;
1148	unsigned iArg = 1;
1149	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1150	{
1151	iHitTrigger = paArgs[iArg].u.u64Number;
1152	iArg++;
1153	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1154	{
1155	iHitDisable = paArgs[iArg].u.u64Number;
1156	iArg++;
1157	}
1158	}
1159	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1160	{
1161	pszCmds = paArgs[iArg].u.pszString;
1162	iArg++;
1163	}
1164
1165	/*
1166	* Try set the breakpoint.
1167	*/
1168	uint32_t iBp;
1169	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1170	rc = DBGFR3BpSetInt3(pUVM, pDbgc->idCpu, &Address, iHitTrigger, iHitDisable, &iBp);
1171	if (RT_SUCCESS(rc))
1172	{
1173	rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1174	if (RT_SUCCESS(rc))
1175	return DBGCCmdHlpPrintf(pCmdHlp, "Set breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1176	if (rc == VERR_DBGC_BP_EXISTS)
1177	{
1178	rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1179	if (RT_SUCCESS(rc))
1180	return DBGCCmdHlpPrintf(pCmdHlp, "Updated breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1181	}
1182	int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1183	AssertRC(rc2);
1184	}
1185	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set breakpoint at %RGv", Address.FlatPtr);
1186	}
1187
1188
1189	/**
1190	* @callback_method_impl{FNDBGCCMD, The 'br' command.}
1191	*/
1192	static DECLCALLBACK(int) dbgcCmdBrkREM(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1193	{
1194	/*
1195	* Convert the pointer to a DBGF address.
1196	*/
1197	DBGFADDRESS Address;
1198	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1199	if (RT_FAILURE(rc))
1200	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1201
1202	/*
1203	* Pick out the optional arguments.
1204	*/
1205	uint64_t iHitTrigger = 0;
1206	uint64_t iHitDisable = UINT64_MAX;
1207	const char *pszCmds = NULL;
1208	unsigned iArg = 1;
1209	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1210	{
1211	iHitTrigger = paArgs[iArg].u.u64Number;
1212	iArg++;
1213	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1214	{
1215	iHitDisable = paArgs[iArg].u.u64Number;
1216	iArg++;
1217	}
1218	}
1219	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1220	{
1221	pszCmds = paArgs[iArg].u.pszString;
1222	iArg++;
1223	}
1224
1225	/*
1226	* Try set the breakpoint.
1227	*/
1228	uint32_t iBp;
1229	rc = DBGFR3BpSetREM(pUVM, &Address, iHitTrigger, iHitDisable, &iBp);
1230	if (RT_SUCCESS(rc))
1231	{
1232	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1233	rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1234	if (RT_SUCCESS(rc))
1235	return DBGCCmdHlpPrintf(pCmdHlp, "Set REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1236	if (rc == VERR_DBGC_BP_EXISTS)
1237	{
1238	rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1239	if (RT_SUCCESS(rc))
1240	return DBGCCmdHlpPrintf(pCmdHlp, "Updated REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1241	}
1242	int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1243	AssertRC(rc2);
1244	}
1245	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set REM breakpoint at %RGv", Address.FlatPtr);
1246	}
1247
1248
1249	/**
1250	* Helps the unassmble ('u') command display symbols it starts at and passes.
1251	*
1252	* @param pUVM The user mode VM handle.
1253	* @param pCmdHlp The command helpers for printing via.
1254	* @param hDbgAs The address space to look up addresses in.
1255	* @param pAddress The current address.
1256	* @param pcbCallAgain Where to return the distance to the next check (in
1257	* instruction bytes).
1258	*/
1259	static void dbgcCmdUnassambleHelpListNear(PUVM pUVM, PDBGCCMDHLP pCmdHlp, RTDBGAS hDbgAs, PCDBGFADDRESS pAddress,
1260	PRTUINTPTR pcbCallAgain)
1261	{
1262	RTDBGSYMBOL Symbol;
1263	RTGCINTPTR offDispSym;
1264	int rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress,
1265	RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL \| RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
1266	&offDispSym, &Symbol, NULL);
1267	if (RT_FAILURE(rc) \|\| offDispSym > _1G)
1268	rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress,
1269	RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL \| RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
1270	&offDispSym, &Symbol, NULL);
1271	if (RT_SUCCESS(rc) && offDispSym < _1G)
1272	{
1273	if (!offDispSym)
1274	{
1275	DBGCCmdHlpPrintf(pCmdHlp, "%s:\n", Symbol.szName);
1276	*pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb;
1277	}
1278	else if (offDispSym > 0)
1279	{
1280	DBGCCmdHlpPrintf(pCmdHlp, "%s+%#llx:\n", Symbol.szName, (uint64_t)offDispSym);
1281	*pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb > (RTGCUINTPTR)offDispSym ? Symbol.cb - (RTGCUINTPTR)offDispSym : 1;
1282	}
1283	else
1284	{
1285	DBGCCmdHlpPrintf(pCmdHlp, "%s-%#llx:\n", Symbol.szName, (uint64_t)-offDispSym);
1286	*pcbCallAgain = !Symbol.cb ? 64 : (RTGCUINTPTR)-offDispSym + Symbol.cb;
1287	}
1288	}
1289	else
1290	*pcbCallAgain = UINT32_MAX;
1291	}
1292
1293
1294	/**
1295	* @callback_method_impl{FNDBGCCMD, The 'u' command.}
1296	*/
1297	static DECLCALLBACK(int) dbgcCmdUnassemble(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1298	{
1299	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1300
1301	/*
1302	* Validate input.
1303	*/
1304	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1305	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
1306	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 \|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
1307
1308	if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1309	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
1310
1311	/*
1312	* Check the desired mode.
1313	*/
1314	unsigned fFlags = DBGF_DISAS_FLAGS_NO_ADDRESS \| DBGF_DISAS_FLAGS_UNPATCHED_BYTES \| DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
1315	switch (pCmd->pszCmd[1])
1316	{
1317	default: AssertFailed(); RT_FALL_THRU();
1318	case '\0': fFlags \|= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
1319	case '6': fFlags \|= DBGF_DISAS_FLAGS_64BIT_MODE; break;
1320	case '3': fFlags \|= DBGF_DISAS_FLAGS_32BIT_MODE; break;
1321	case '1': fFlags \|= DBGF_DISAS_FLAGS_16BIT_MODE; break;
1322	case 'v': fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
1323	}
1324
1325	/** @todo should use DBGFADDRESS for everything */
1326
1327	/*
1328	* Find address.
1329	*/
1330	if (!cArgs)
1331	{
1332	if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1333	{
1334	/** @todo Batch query CS, RIP, CPU mode and flags. */
1335	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
1336	if (CPUMIsGuestIn64BitCode(pVCpu))
1337	{
1338	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
1339	pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
1340	}
1341	else
1342	{
1343	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
1344	pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
1345	pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
1346	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
1347	&& (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
1348	{
1349	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1350	fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
1351	}
1352	}
1353
1354	fFlags \|= DBGF_DISAS_FLAGS_CURRENT_GUEST;
1355	}
1356	else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
1357	{
1358	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1359	fFlags \|= pDbgc->fDisasm & DBGF_DISAS_FLAGS_MODE_MASK;
1360	}
1361	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
1362	}
1363	else
1364	pDbgc->DisasmPos = paArgs[0];
1365	pDbgc->pLastPos = &pDbgc->DisasmPos;
1366
1367	/*
1368	* Range.
1369	*/
1370	switch (pDbgc->DisasmPos.enmRangeType)
1371	{
1372	case DBGCVAR_RANGE_NONE:
1373	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
1374	pDbgc->DisasmPos.u64Range = 10;
1375	break;
1376
1377	case DBGCVAR_RANGE_ELEMENTS:
1378	if (pDbgc->DisasmPos.u64Range > 2048)
1379	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
1380	break;
1381
1382	case DBGCVAR_RANGE_BYTES:
1383	if (pDbgc->DisasmPos.u64Range > 65536)
1384	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
1385	break;
1386
1387	default:
1388	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
1389	}
1390
1391	/*
1392	* Convert physical and host addresses to guest addresses.
1393	*/
1394	RTDBGAS hDbgAs = pDbgc->hDbgAs;
1395	int rc;
1396	switch (pDbgc->DisasmPos.enmType)
1397	{
1398	case DBGCVAR_TYPE_GC_FLAT:
1399	case DBGCVAR_TYPE_GC_FAR:
1400	break;
1401	case DBGCVAR_TYPE_GC_PHYS:
1402	hDbgAs = DBGF_AS_PHYS;
1403	RT_FALL_THRU();
1404	case DBGCVAR_TYPE_HC_FLAT:
1405	case DBGCVAR_TYPE_HC_PHYS:
1406	{
1407	DBGCVAR VarTmp;
1408	rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
1409	if (RT_FAILURE(rc))
1410	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
1411	pDbgc->DisasmPos = VarTmp;
1412	break;
1413	}
1414	default: AssertFailed(); break;
1415	}
1416
1417	DBGFADDRESS CurAddr;
1418	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1419	&& pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1420	DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1421	else
1422	{
1423	rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1424	if (RT_FAILURE(rc))
1425	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
1426	}
1427
1428	pDbgc->fDisasm = fFlags;
1429
1430	/*
1431	* Figure out where we are and display it. Also calculate when we need to
1432	* check for a new symbol if possible.
1433	*/
1434	RTGCUINTPTR cbCheckSymbol;
1435	dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1436
1437	/*
1438	* Do the disassembling.
1439	*/
1440	unsigned cTries = 32;
1441	int iRangeLeft = (int)pDbgc->DisasmPos.u64Range;
1442	if (iRangeLeft == 0) /* kludge for 'r'. */
1443	iRangeLeft = -1;
1444	for (;;)
1445	{
1446	/*
1447	* Disassemble the instruction.
1448	*/
1449	char szDis[256];
1450	uint32_t cbInstr = 1;
1451	if (pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FLAT)
1452	rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, DBGF_SEL_FLAT, pDbgc->DisasmPos.u.GCFlat, fFlags,
1453	&szDis[0], sizeof(szDis), &cbInstr);
1454	else
1455	rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, pDbgc->DisasmPos.u.GCFar.sel, pDbgc->DisasmPos.u.GCFar.off, fFlags,
1456	&szDis[0], sizeof(szDis), &cbInstr);
1457	if (RT_SUCCESS(rc))
1458	{
1459	/* print it */
1460	rc = DBGCCmdHlpPrintf(pCmdHlp, "%-16DV %s\n", &pDbgc->DisasmPos, &szDis[0]);
1461	if (RT_FAILURE(rc))
1462	return rc;
1463	}
1464	else
1465	{
1466	/* bitch. */
1467	int rc2 = DBGCCmdHlpPrintf(pCmdHlp, "Failed to disassemble instruction, skipping one byte.\n");
1468	if (RT_FAILURE(rc2))
1469	return rc2;
1470	if (cTries-- > 0)
1471	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Too many disassembly failures. Giving up");
1472	cbInstr = 1;
1473	}
1474
1475	/* advance */
1476	if (iRangeLeft < 0) /* 'r' */
1477	break;
1478	if (pDbgc->DisasmPos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
1479	iRangeLeft--;
1480	else
1481	iRangeLeft -= cbInstr;
1482	rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DisasmPos, "(%Dv) + %x", &pDbgc->DisasmPos, cbInstr);
1483	if (RT_FAILURE(rc))
1484	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpEval(,,'(%Dv) + %x')", &pDbgc->DisasmPos, cbInstr);
1485	if (iRangeLeft <= 0)
1486	break;
1487	fFlags &= ~DBGF_DISAS_FLAGS_CURRENT_GUEST;
1488
1489	/* Print next symbol? */
1490	if (cbCheckSymbol <= cbInstr)
1491	{
1492	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1493	&& pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1494	DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1495	else
1496	rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1497	if (RT_SUCCESS(rc))
1498	dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1499	else
1500	cbCheckSymbol = UINT32_MAX;
1501	}
1502	else
1503	cbCheckSymbol -= cbInstr;
1504	}
1505
1506	NOREF(pCmd);
1507	return VINF_SUCCESS;
1508	}
1509
1510
1511	/**
1512	* @callback_method_impl{FNDGCSCREENBLIT}
1513	*/
1514	static DECLCALLBACK(int) dbgcCmdUnassembleCfgBlit(const char psz, void pvUser)
1515	{
1516	PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
1517	return DBGCCmdHlpPrintf(pCmdHlp, "%s", psz);
1518	}
1519
1520
1521	/**
1522	* Checks whether both addresses are equal.
1523	*
1524	* @returns true if both addresses point to the same location, false otherwise.
1525	* @param pAddr1 First address.
1526	* @param pAddr2 Second address.
1527	*/
1528	static bool dbgcCmdUnassembleCfgAddrEqual(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1529	{
1530	return pAddr1->Sel == pAddr2->Sel
1531	&& pAddr1->off == pAddr2->off;
1532	}
1533
1534
1535	/**
1536	* Checks whether the first given address is lower than the second one.
1537	*
1538	* @returns true if both addresses point to the same location, false otherwise.
1539	* @param pAddr1 First address.
1540	* @param pAddr2 Second address.
1541	*/
1542	static bool dbgcCmdUnassembleCfgAddrLower(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1543	{
1544	return pAddr1->Sel == pAddr2->Sel
1545	&& pAddr1->off < pAddr2->off;
1546	}
1547
1548
1549	/**
1550	* Calculates the size required for the given basic block including the
1551	* border and spacing on the edges.
1552	*
1553	* @returns nothing.
1554	* @param hFlowBb The basic block handle.
1555	* @param pDumpBb The dumper state to fill in for the basic block.
1556	*/
1557	static void dbgcCmdUnassembleCfgDumpCalcBbSize(DBGFFLOWBB hFlowBb, PDBGCFLOWBBDUMP pDumpBb)
1558	{
1559	uint32_t fFlags = DBGFR3FlowBbGetFlags(hFlowBb);
1560	uint32_t cInstr = DBGFR3FlowBbGetInstrCount(hFlowBb);
1561
1562	pDumpBb->hFlowBb = hFlowBb;
1563	pDumpBb->cchHeight = cInstr + 4; /* Include spacing and border top and bottom. */
1564	pDumpBb->cchWidth = 0;
1565	DBGFR3FlowBbGetStartAddress(hFlowBb, &pDumpBb->AddrStart);
1566
1567	DBGFFLOWBBENDTYPE enmType = DBGFR3FlowBbGetType(hFlowBb);
1568	if ( enmType == DBGFFLOWBBENDTYPE_COND
1569	\|\| enmType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1570	\|\| enmType == DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP)
1571	DBGFR3FlowBbGetBranchAddress(hFlowBb, &pDumpBb->AddrTarget);
1572
1573	if (fFlags & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1574	{
1575	const char *pszErr = NULL;
1576	DBGFR3FlowBbQueryError(hFlowBb, &pszErr);
1577	if (pszErr)
1578	{
1579	pDumpBb->cchHeight++;
1580	pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszErr));
1581	}
1582	}
1583	for (unsigned i = 0; i < cInstr; i++)
1584	{
1585	const char *pszInstr = NULL;
1586	int rc = DBGFR3FlowBbQueryInstr(hFlowBb, i, NULL, NULL, &pszInstr);
1587	AssertRC(rc);
1588	pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszInstr));
1589	}
1590	pDumpBb->cchWidth += 4; /* Include spacing and border left and right. */
1591	}
1592
1593
1594	/**
1595	* Dumps a top or bottom boundary line.
1596	*
1597	* @returns nothing.
1598	* @param hScreen The screen to draw to.
1599	* @param uStartX Where to start drawing the boundary.
1600	* @param uStartY Y coordinate.
1601	* @param cchWidth Width of the boundary.
1602	* @param enmColor The color to use for drawing.
1603	*/
1604	static void dbgcCmdUnassembleCfgDumpBbBoundary(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1605	DBGCSCREENCOLOR enmColor)
1606	{
1607	dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '+', enmColor);
1608	dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1609	uStartY, '-', enmColor);
1610	dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '+', enmColor);
1611	}
1612
1613
1614	/**
1615	* Dumps a spacing line between the top or bottom boundary and the actual disassembly.
1616	*
1617	* @returns nothing.
1618	* @param hScreen The screen to draw to.
1619	* @param uStartX Where to start drawing the spacing.
1620	* @param uStartY Y coordinate.
1621	* @param cchWidth Width of the spacing.
1622	* @param enmColor The color to use for drawing.
1623	*/
1624	static void dbgcCmdUnassembleCfgDumpBbSpacing(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1625	DBGCSCREENCOLOR enmColor)
1626	{
1627	dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '\|', enmColor);
1628	dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1629	uStartY, ' ', enmColor);
1630	dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '\|', enmColor);
1631	}
1632
1633
1634	/**
1635	* Writes a given text to the screen.
1636	*
1637	* @returns nothing.
1638	* @param hScreen The screen to draw to.
1639	* @param uStartX Where to start drawing the line.
1640	* @param uStartY Y coordinate.
1641	* @param cchWidth Maximum width of the text.
1642	* @param pszText The text to write.
1643	* @param enmTextColor The color to use for drawing the text.
1644	* @param enmBorderColor The color to use for drawing the border.
1645	*/
1646	static void dbgcCmdUnassembleCfgDumpBbText(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY,
1647	uint32_t cchWidth, const char *pszText,
1648	DBGCSCREENCOLOR enmTextColor, DBGCSCREENCOLOR enmBorderColor)
1649	{
1650	dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '\|', enmBorderColor);
1651	dbgcScreenAsciiDrawCharacter(hScreen, uStartX + 1, uStartY, ' ', enmTextColor);
1652	dbgcScreenAsciiDrawString(hScreen, uStartX + 2, uStartY, pszText, enmTextColor);
1653	dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '\|', enmBorderColor);
1654	}
1655
1656
1657	/**
1658	* Dumps one basic block using the dumper callback.
1659	*
1660	* @returns nothing.
1661	* @param pDumpBb The basic block dump state to dump.
1662	* @param hScreen The screen to draw to.
1663	*/
1664	static void dbgcCmdUnassembleCfgDumpBb(PDBGCFLOWBBDUMP pDumpBb, DBGCSCREEN hScreen)
1665	{
1666	uint32_t uStartY = pDumpBb->uStartY;
1667	bool fError = RT_BOOL(DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR);
1668	DBGCSCREENCOLOR enmColor = fError ? DBGCSCREENCOLOR_RED_BRIGHT : DBGCSCREENCOLOR_DEFAULT;
1669
1670	dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1671	uStartY++;
1672	dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1673	uStartY++;
1674
1675	uint32_t cInstr = DBGFR3FlowBbGetInstrCount(pDumpBb->hFlowBb);
1676	for (unsigned i = 0; i < cInstr; i++)
1677	{
1678	const char *pszInstr = NULL;
1679	DBGFR3FlowBbQueryInstr(pDumpBb->hFlowBb, i, NULL, NULL, &pszInstr);
1680	dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY + i,
1681	pDumpBb->cchWidth, pszInstr, DBGCSCREENCOLOR_DEFAULT,
1682	enmColor);
1683	}
1684	uStartY += cInstr;
1685
1686	if (fError)
1687	{
1688	const char *pszErr = NULL;
1689	DBGFR3FlowBbQueryError(pDumpBb->hFlowBb, &pszErr);
1690	if (pszErr)
1691	dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY,
1692	pDumpBb->cchWidth, pszErr, enmColor,
1693	enmColor);
1694	uStartY++;
1695	}
1696
1697	dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1698	uStartY++;
1699	dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1700	uStartY++;
1701	}
1702
1703
1704	/**
1705	* Dumps one branch table using the dumper callback.
1706	*
1707	* @returns nothing.
1708	* @param pDumpBranchTbl The basic block dump state to dump.
1709	* @param hScreen The screen to draw to.
1710	*/
1711	static void dbgcCmdUnassembleCfgDumpBranchTbl(PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl, DBGCSCREEN hScreen)
1712	{
1713	uint32_t uStartY = pDumpBranchTbl->uStartY;
1714	DBGCSCREENCOLOR enmColor = DBGCSCREENCOLOR_CYAN_BRIGHT;
1715
1716	dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1717	uStartY++;
1718	dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1719	uStartY++;
1720
1721	uint32_t cSlots = DBGFR3FlowBranchTblGetSlots(pDumpBranchTbl->hFlowBranchTbl);
1722	for (unsigned i = 0; i < cSlots; i++)
1723	{
1724	DBGFADDRESS Addr;
1725	char szAddr[128];
1726
1727	RT_ZERO(szAddr);
1728	DBGFR3FlowBranchTblGetAddrAtSlot(pDumpBranchTbl->hFlowBranchTbl, i, &Addr);
1729
1730	if (Addr.Sel == DBGF_SEL_FLAT)
1731	RTStrPrintf(&szAddr[0], sizeof(szAddr), "%RGv", Addr.FlatPtr);
1732	else
1733	RTStrPrintf(&szAddr[0], sizeof(szAddr), "%04x:%RGv", Addr.Sel, Addr.off);
1734
1735	dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBranchTbl->uStartX, uStartY + i,
1736	pDumpBranchTbl->cchWidth, &szAddr[0], DBGCSCREENCOLOR_DEFAULT,
1737	enmColor);
1738	}
1739	uStartY += cSlots;
1740
1741	dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1742	uStartY++;
1743	dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1744	uStartY++;
1745	}
1746
1747
1748	/**
1749	* Fills in the dump states for the basic blocks and branch tables.
1750	*
1751	* @returns VBox status code.
1752	* @param hFlowIt The control flow graph iterator handle.
1753	* @param hFlowBranchTblIt The control flow graph branch table iterator handle.
1754	* @param paDumpBb The array of basic block dump states.
1755	* @param paDumpBranchTbl The array of branch table dump states.
1756	* @param cBbs Number of basic blocks.
1757	* @param cBranchTbls Number of branch tables.
1758	*/
1759	static int dbgcCmdUnassembleCfgDumpCalcDimensions(DBGFFLOWIT hFlowIt, DBGFFLOWBRANCHTBLIT hFlowBranchTblIt,
1760	PDBGCFLOWBBDUMP paDumpBb, PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl,
1761	uint32_t cBbs, uint32_t cBranchTbls)
1762	{
1763	RT_NOREF2(cBbs, cBranchTbls);
1764
1765	/* Calculate the sizes of each basic block first. */
1766	DBGFFLOWBB hFlowBb = DBGFR3FlowItNext(hFlowIt);
1767	uint32_t idx = 0;
1768	while (hFlowBb)
1769	{
1770	dbgcCmdUnassembleCfgDumpCalcBbSize(hFlowBb, &paDumpBb[idx]);
1771	idx++;
1772	hFlowBb = DBGFR3FlowItNext(hFlowIt);
1773	}
1774
1775	if (paDumpBranchTbl)
1776	{
1777	idx = 0;
1778	DBGFFLOWBRANCHTBL hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1779	while (hFlowBranchTbl)
1780	{
1781	paDumpBranchTbl[idx].hFlowBranchTbl = hFlowBranchTbl;
1782	paDumpBranchTbl[idx].cchHeight = DBGFR3FlowBranchTblGetSlots(hFlowBranchTbl) + 4; /* Spacing and border. */
1783	paDumpBranchTbl[idx].cchWidth = 25 + 4; /* Spacing and border. */
1784	idx++;
1785	hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1786	}
1787	}
1788
1789	return VINF_SUCCESS;
1790	}
1791
1792	/**
1793	* Dumps the given control flow graph to the output.
1794	*
1795	* @returns VBox status code.
1796	* @param hCfg The control flow graph handle.
1797	* @param fUseColor Flag whether the output should be colorized.
1798	* @param pCmdHlp The command helper callback table.
1799	*/
1800	static int dbgcCmdUnassembleCfgDump(DBGFFLOW hCfg, bool fUseColor, PDBGCCMDHLP pCmdHlp)
1801	{
1802	int rc = VINF_SUCCESS;
1803	DBGFFLOWIT hCfgIt = NULL;
1804	DBGFFLOWBRANCHTBLIT hFlowBranchTblIt = NULL;
1805	uint32_t cBbs = DBGFR3FlowGetBbCount(hCfg);
1806	uint32_t cBranchTbls = DBGFR3FlowGetBranchTblCount(hCfg);
1807	PDBGCFLOWBBDUMP paDumpBb = (PDBGCFLOWBBDUMP)RTMemTmpAllocZ(cBbs * sizeof(DBGCFLOWBBDUMP));
1808	PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl = NULL;
1809
1810	if (cBranchTbls)
1811	paDumpBranchTbl = (PDBGCFLOWBRANCHTBLDUMP)RTMemAllocZ(cBranchTbls * sizeof(DBGCFLOWBRANCHTBLDUMP));
1812
1813	if (RT_UNLIKELY(!paDumpBb \|\| (!paDumpBranchTbl && cBranchTbls > 0)))
1814	rc = VERR_NO_MEMORY;
1815	if (RT_SUCCESS(rc))
1816	rc = DBGFR3FlowItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hCfgIt);
1817	if (RT_SUCCESS(rc) && cBranchTbls > 0)
1818	rc = DBGFR3FlowBranchTblItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hFlowBranchTblIt);
1819
1820	if (RT_SUCCESS(rc))
1821	{
1822	rc = dbgcCmdUnassembleCfgDumpCalcDimensions(hCfgIt, hFlowBranchTblIt, paDumpBb, paDumpBranchTbl,
1823	cBbs, cBranchTbls);
1824
1825	/* Calculate the ASCII screen dimensions and create one. */
1826	uint32_t cchWidth = 0;
1827	uint32_t cchLeftExtra = 5;
1828	uint32_t cchRightExtra = 5;
1829	uint32_t cchHeight = 0;
1830	for (unsigned i = 0; i < cBbs; i++)
1831	{
1832	PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1833	cchWidth = RT_MAX(cchWidth, pDumpBb->cchWidth);
1834	cchHeight += pDumpBb->cchHeight;
1835
1836	/* Incomplete blocks don't have a successor. */
1837	if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1838	continue;
1839
1840	switch (DBGFR3FlowBbGetType(pDumpBb->hFlowBb))
1841	{
1842	case DBGFFLOWBBENDTYPE_EXIT:
1843	case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1844	break;
1845	case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1846	if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1847	\|\| dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1848	cchLeftExtra++;
1849	else
1850	cchRightExtra++;
1851	break;
1852	case DBGFFLOWBBENDTYPE_UNCOND:
1853	cchHeight += 2; /* For the arrow down to the next basic block. */
1854	break;
1855	case DBGFFLOWBBENDTYPE_COND:
1856	cchHeight += 2; /* For the arrow down to the next basic block. */
1857	if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1858	\|\| dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1859	cchLeftExtra++;
1860	else
1861	cchRightExtra++;
1862	break;
1863	case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1864	default:
1865	AssertFailed();
1866	}
1867	}
1868
1869	for (unsigned i = 0; i < cBranchTbls; i++)
1870	{
1871	PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl = &paDumpBranchTbl[i];
1872	cchWidth = RT_MAX(cchWidth, pDumpBranchTbl->cchWidth);
1873	cchHeight += pDumpBranchTbl->cchHeight;
1874	}
1875
1876	cchWidth += 2;
1877
1878	DBGCSCREEN hScreen = NULL;
1879	rc = dbgcScreenAsciiCreate(&hScreen, cchWidth + cchLeftExtra + cchRightExtra, cchHeight);
1880	if (RT_SUCCESS(rc))
1881	{
1882	uint32_t uY = 0;
1883
1884	/* Dump the branch tables first. */
1885	for (unsigned i = 0; i < cBranchTbls; i++)
1886	{
1887	paDumpBranchTbl[i].uStartX = cchLeftExtra + (cchWidth - paDumpBranchTbl[i].cchWidth) / 2;
1888	paDumpBranchTbl[i].uStartY = uY;
1889	dbgcCmdUnassembleCfgDumpBranchTbl(&paDumpBranchTbl[i], hScreen);
1890	uY += paDumpBranchTbl[i].cchHeight;
1891	}
1892
1893	/* Dump the basic blocks and connections to the immediate successor. */
1894	for (unsigned i = 0; i < cBbs; i++)
1895	{
1896	paDumpBb[i].uStartX = cchLeftExtra + (cchWidth - paDumpBb[i].cchWidth) / 2;
1897	paDumpBb[i].uStartY = uY;
1898	dbgcCmdUnassembleCfgDumpBb(&paDumpBb[i], hScreen);
1899	uY += paDumpBb[i].cchHeight;
1900
1901	/* Incomplete blocks don't have a successor. */
1902	if (DBGFR3FlowBbGetFlags(paDumpBb[i].hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1903	continue;
1904
1905	switch (DBGFR3FlowBbGetType(paDumpBb[i].hFlowBb))
1906	{
1907	case DBGFFLOWBBENDTYPE_EXIT:
1908	case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1909	case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1910	case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1911	break;
1912	case DBGFFLOWBBENDTYPE_UNCOND:
1913	/* Draw the arrow down to the next block. */
1914	dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1915	'\|', DBGCSCREENCOLOR_BLUE_BRIGHT);
1916	uY++;
1917	dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1918	'V', DBGCSCREENCOLOR_BLUE_BRIGHT);
1919	uY++;
1920	break;
1921	case DBGFFLOWBBENDTYPE_COND:
1922	/* Draw the arrow down to the next block. */
1923	dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1924	'\|', DBGCSCREENCOLOR_RED_BRIGHT);
1925	uY++;
1926	dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1927	'V', DBGCSCREENCOLOR_RED_BRIGHT);
1928	uY++;
1929	break;
1930	default:
1931	AssertFailed();
1932	}
1933	}
1934
1935	/* Last pass, connect all remaining branches. */
1936	uint32_t uBackConns = 0;
1937	uint32_t uFwdConns = 0;
1938	for (unsigned i = 0; i < cBbs; i++)
1939	{
1940	PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1941	DBGFFLOWBBENDTYPE enmEndType = DBGFR3FlowBbGetType(pDumpBb->hFlowBb);
1942
1943	/* Incomplete blocks don't have a successor. */
1944	if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1945	continue;
1946
1947	switch (enmEndType)
1948	{
1949	case DBGFFLOWBBENDTYPE_EXIT:
1950	case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1951	case DBGFFLOWBBENDTYPE_UNCOND:
1952	break;
1953	case DBGFFLOWBBENDTYPE_COND:
1954	case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1955	{
1956	/* Find the target first to get the coordinates. */
1957	PDBGCFLOWBBDUMP pDumpBbTgt = NULL;
1958	for (unsigned idxDumpBb = 0; idxDumpBb < cBbs; idxDumpBb++)
1959	{
1960	pDumpBbTgt = &paDumpBb[idxDumpBb];
1961	if (dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBbTgt->AddrStart))
1962	break;
1963	}
1964
1965	DBGCSCREENCOLOR enmColor = enmEndType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1966	? DBGCSCREENCOLOR_YELLOW_BRIGHT
1967	: DBGCSCREENCOLOR_GREEN_BRIGHT;
1968
1969	/*
1970	* Use the right side for targets with higher addresses,
1971	* left when jumping backwards.
1972	*/
1973	if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1974	\|\| dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1975	{
1976	/* Going backwards. */
1977	uint32_t uXVerLine = /cchLeftExtra - 1 -/ uBackConns + 1;
1978	uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
1979	uBackConns++;
1980
1981	/* Draw the arrow pointing to the target block. */
1982	dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX - 1, pDumpBbTgt->uStartY,
1983	'>', enmColor);
1984	/* Draw the horizontal line. */
1985	dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBbTgt->uStartX - 2,
1986	pDumpBbTgt->uStartY, '-', enmColor);
1987	dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
1988	enmColor);
1989	/* Draw the vertical line down to the source block. */
1990	dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, pDumpBbTgt->uStartY + 1, uYHorLine - 1,
1991	'\|', enmColor);
1992	dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
1993	/* Draw the horizontal connection between the source block and vertical part. */
1994	dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBb->uStartX - 1,
1995	uYHorLine, '-', enmColor);
1996
1997	}
1998	else
1999	{
2000	/* Going forward. */
2001	uint32_t uXVerLine = cchWidth + cchLeftExtra + (cchRightExtra - uFwdConns) - 1;
2002	uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
2003	uFwdConns++;
2004
2005	/* Draw the horizontal line. */
2006	dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBb->uStartX + pDumpBb->cchWidth,
2007	uXVerLine - 1, uYHorLine, '-', enmColor);
2008	dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
2009	/* Draw the vertical line down to the target block. */
2010	dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, uYHorLine + 1, pDumpBbTgt->uStartY - 1,
2011	'\|', enmColor);
2012	/* Draw the horizontal connection between the target block and vertical part. */
2013	dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
2014	uXVerLine, pDumpBbTgt->uStartY, '-', enmColor);
2015	dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
2016	enmColor);
2017	/* Draw the arrow pointing to the target block. */
2018	dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
2019	pDumpBbTgt->uStartY, '<', enmColor);
2020	}
2021	break;
2022	}
2023	case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
2024	default:
2025	AssertFailed();
2026	}
2027	}
2028
2029	rc = dbgcScreenAsciiBlit(hScreen, dbgcCmdUnassembleCfgBlit, pCmdHlp, fUseColor);
2030	dbgcScreenAsciiDestroy(hScreen);
2031	}
2032	}
2033
2034	if (paDumpBb)
2035	{
2036	for (unsigned i = 0; i < cBbs; i++)
2037	DBGFR3FlowBbRelease(paDumpBb[i].hFlowBb);
2038	RTMemTmpFree(paDumpBb);
2039	}
2040
2041	if (paDumpBranchTbl)
2042	{
2043	for (unsigned i = 0; i < cBranchTbls; i++)
2044	DBGFR3FlowBranchTblRelease(paDumpBranchTbl[i].hFlowBranchTbl);
2045	RTMemTmpFree(paDumpBranchTbl);
2046	}
2047
2048	if (hCfgIt)
2049	DBGFR3FlowItDestroy(hCfgIt);
2050	if (hFlowBranchTblIt)
2051	DBGFR3FlowBranchTblItDestroy(hFlowBranchTblIt);
2052
2053	return rc;
2054	}
2055
2056
2057	/**
2058	* @callback_method_impl{FNDBGCCMD, The 'ucfg' command.}
2059	*/
2060	static DECLCALLBACK(int) dbgcCmdUnassembleCfg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2061	{
2062	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2063
2064	/*
2065	* Validate input.
2066	*/
2067	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2068	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
2069	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 \|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
2070
2071	if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2072	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
2073
2074	/*
2075	* Check the desired mode.
2076	*/
2077	unsigned fFlags = DBGF_DISAS_FLAGS_UNPATCHED_BYTES \| DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
2078	bool fUseColor = false;
2079	switch (pCmd->pszCmd[4])
2080	{
2081	default: AssertFailed(); RT_FALL_THRU();
2082	case '\0': fFlags \|= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
2083	case '6': fFlags \|= DBGF_DISAS_FLAGS_64BIT_MODE; break;
2084	case '3': fFlags \|= DBGF_DISAS_FLAGS_32BIT_MODE; break;
2085	case '1': fFlags \|= DBGF_DISAS_FLAGS_16BIT_MODE; break;
2086	case 'v': fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
2087	case 'c': fUseColor = true; break;
2088	}
2089
2090	/** @todo should use DBGFADDRESS for everything */
2091
2092	/*
2093	* Find address.
2094	*/
2095	if (!cArgs)
2096	{
2097	if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2098	{
2099	/** @todo Batch query CS, RIP, CPU mode and flags. */
2100	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2101	if (CPUMIsGuestIn64BitCode(pVCpu))
2102	{
2103	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
2104	pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
2105	}
2106	else
2107	{
2108	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
2109	pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
2110	pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
2111	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
2112	&& (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
2113	{
2114	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2115	fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
2116	}
2117	}
2118
2119	fFlags \|= DBGF_DISAS_FLAGS_CURRENT_GUEST;
2120	}
2121	else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
2122	{
2123	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2124	fFlags \|= pDbgc->fDisasm & DBGF_DISAS_FLAGS_MODE_MASK;
2125	}
2126	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
2127	}
2128	else
2129	pDbgc->DisasmPos = paArgs[0];
2130	pDbgc->pLastPos = &pDbgc->DisasmPos;
2131
2132	/*
2133	* Range.
2134	*/
2135	switch (pDbgc->DisasmPos.enmRangeType)
2136	{
2137	case DBGCVAR_RANGE_NONE:
2138	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2139	pDbgc->DisasmPos.u64Range = 10;
2140	break;
2141
2142	case DBGCVAR_RANGE_ELEMENTS:
2143	if (pDbgc->DisasmPos.u64Range > 2048)
2144	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
2145	break;
2146
2147	case DBGCVAR_RANGE_BYTES:
2148	if (pDbgc->DisasmPos.u64Range > 65536)
2149	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
2150	break;
2151
2152	default:
2153	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
2154	}
2155
2156	/*
2157	* Convert physical and host addresses to guest addresses.
2158	*/
2159	RTDBGAS hDbgAs = pDbgc->hDbgAs;
2160	int rc;
2161	switch (pDbgc->DisasmPos.enmType)
2162	{
2163	case DBGCVAR_TYPE_GC_FLAT:
2164	case DBGCVAR_TYPE_GC_FAR:
2165	break;
2166	case DBGCVAR_TYPE_GC_PHYS:
2167	hDbgAs = DBGF_AS_PHYS;
2168	RT_FALL_THRU();
2169	case DBGCVAR_TYPE_HC_FLAT:
2170	case DBGCVAR_TYPE_HC_PHYS:
2171	{
2172	DBGCVAR VarTmp;
2173	rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
2174	if (RT_FAILURE(rc))
2175	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
2176	pDbgc->DisasmPos = VarTmp;
2177	break;
2178	}
2179	default: AssertFailed(); break;
2180	}
2181
2182	DBGFADDRESS CurAddr;
2183	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
2184	&& pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
2185	DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
2186	else
2187	{
2188	rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
2189	if (RT_FAILURE(rc))
2190	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
2191	}
2192
2193	DBGFFLOW hCfg;
2194	rc = DBGFR3FlowCreate(pUVM, pDbgc->idCpu, &CurAddr, 0 /cbDisasmMax/,
2195	DBGF_FLOW_CREATE_F_TRY_RESOLVE_INDIRECT_BRANCHES, fFlags, &hCfg);
2196	if (RT_SUCCESS(rc))
2197	{
2198	/* Dump the graph. */
2199	rc = dbgcCmdUnassembleCfgDump(hCfg, fUseColor, pCmdHlp);
2200	DBGFR3FlowRelease(hCfg);
2201	}
2202	else
2203	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowCreate failed on '%Dv'", &pDbgc->DisasmPos);
2204
2205	NOREF(pCmd);
2206	return rc;
2207	}
2208
2209
2210	/**
2211	* @callback_method_impl{FNDBGCCMD, The 'ls' command.}
2212	*/
2213	static DECLCALLBACK(int) dbgcCmdListSource(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2214	{
2215	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2216
2217	/*
2218	* Validate input.
2219	*/
2220	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
2221	if (cArgs == 1)
2222	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
2223	if (!pUVM && !cArgs && !DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2224	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start listing...");
2225	if (!pUVM && cArgs && DBGCVAR_ISGCPOINTER(paArgs[0].enmType))
2226	return DBGCCmdHlpFail(pCmdHlp, pCmd, "GC address but no VM");
2227
2228	/*
2229	* Find address.
2230	*/
2231	if (!cArgs)
2232	{
2233	if (!DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2234	{
2235	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2236	pDbgc->SourcePos.enmType = DBGCVAR_TYPE_GC_FAR;
2237	pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
2238	pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
2239	}
2240	pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_NONE;
2241	}
2242	else
2243	pDbgc->SourcePos = paArgs[0];
2244	pDbgc->pLastPos = &pDbgc->SourcePos;
2245
2246	/*
2247	* Ensure the source address is flat GC.
2248	*/
2249	switch (pDbgc->SourcePos.enmType)
2250	{
2251	case DBGCVAR_TYPE_GC_FLAT:
2252	break;
2253	case DBGCVAR_TYPE_GC_PHYS:
2254	case DBGCVAR_TYPE_GC_FAR:
2255	case DBGCVAR_TYPE_HC_FLAT:
2256	case DBGCVAR_TYPE_HC_PHYS:
2257	{
2258	int rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "%%(%Dv)", &pDbgc->SourcePos);
2259	if (RT_FAILURE(rc))
2260	return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid address or address type. (rc=%d)\n", rc);
2261	break;
2262	}
2263	default: AssertFailed(); break;
2264	}
2265
2266	/*
2267	* Range.
2268	*/
2269	switch (pDbgc->SourcePos.enmRangeType)
2270	{
2271	case DBGCVAR_RANGE_NONE:
2272	pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2273	pDbgc->SourcePos.u64Range = 10;
2274	break;
2275
2276	case DBGCVAR_RANGE_ELEMENTS:
2277	if (pDbgc->SourcePos.u64Range > 2048)
2278	return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many lines requested. Max is 2048 lines.\n");
2279	break;
2280
2281	case DBGCVAR_RANGE_BYTES:
2282	if (pDbgc->SourcePos.u64Range > 65536)
2283	return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
2284	break;
2285
2286	default:
2287	return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->SourcePos.enmRangeType);
2288	}
2289
2290	/*
2291	* Do the disassembling.
2292	*/
2293	bool fFirst = 1;
2294	RTDBGLINE LinePrev = { 0, 0, 0, 0, 0, "" };
2295	int iRangeLeft = (int)pDbgc->SourcePos.u64Range;
2296	if (iRangeLeft == 0) /* kludge for 'r'. */
2297	iRangeLeft = -1;
2298	for (;;)
2299	{
2300	/*
2301	* Get line info.
2302	*/
2303	RTDBGLINE Line;
2304	RTGCINTPTR off;
2305	DBGFADDRESS SourcePosAddr;
2306	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->SourcePos, &SourcePosAddr);
2307	if (RT_FAILURE(rc))
2308	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%Dv)", &pDbgc->SourcePos);
2309	rc = DBGFR3AsLineByAddr(pUVM, pDbgc->hDbgAs, &SourcePosAddr, &off, &Line, NULL);
2310	if (RT_FAILURE(rc))
2311	return VINF_SUCCESS;
2312
2313	unsigned cLines = 0;
2314	if (memcmp(&Line, &LinePrev, sizeof(Line)))
2315	{
2316	/*
2317	* Print filenamename
2318	*/
2319	if (!fFirst && strcmp(Line.szFilename, LinePrev.szFilename))
2320	fFirst = true;
2321	if (fFirst)
2322	{
2323	rc = DBGCCmdHlpPrintf(pCmdHlp, "[%s @ %d]\n", Line.szFilename, Line.uLineNo);
2324	if (RT_FAILURE(rc))
2325	return rc;
2326	}
2327
2328	/*
2329	* Try open the file and read the line.
2330	*/
2331	FILE *phFile = fopen(Line.szFilename, "r");
2332	if (phFile)
2333	{
2334	/* Skip ahead to the desired line. */
2335	char szLine[4096];
2336	unsigned cBefore = fFirst ? RT_MIN(2, Line.uLineNo - 1) : Line.uLineNo - LinePrev.uLineNo - 1;
2337	if (cBefore > 7)
2338	cBefore = 0;
2339	unsigned cLeft = Line.uLineNo - cBefore;
2340	while (cLeft > 0)
2341	{
2342	szLine[0] = '\0';
2343	if (!fgets(szLine, sizeof(szLine), phFile))
2344	break;
2345	cLeft--;
2346	}
2347	if (!cLeft)
2348	{
2349	/* print the before lines */
2350	for (;;)
2351	{
2352	size_t cch = strlen(szLine);
2353	while (cch > 0 && (szLine[cch - 1] == '\r' \|\| szLine[cch - 1] == '\n' \|\| RT_C_IS_SPACE(szLine[cch - 1])) )
2354	szLine[--cch] = '\0';
2355	if (cBefore-- <= 0)
2356	break;
2357
2358	rc = DBGCCmdHlpPrintf(pCmdHlp, " %4d: %s\n", Line.uLineNo - cBefore - 1, szLine);
2359	szLine[0] = '\0';
2360	const char *pszShutUpGcc = fgets(szLine, sizeof(szLine), phFile); NOREF(pszShutUpGcc);
2361	cLines++;
2362	}
2363	/* print the actual line */
2364	rc = DBGCCmdHlpPrintf(pCmdHlp, "%08llx %4d: %s\n", Line.Address, Line.uLineNo, szLine);
2365	}
2366	fclose(phFile);
2367	if (RT_FAILURE(rc))
2368	return rc;
2369	fFirst = false;
2370	}
2371	else
2372	return DBGCCmdHlpPrintf(pCmdHlp, "Warning: couldn't open source file '%s'\n", Line.szFilename);
2373
2374	LinePrev = Line;
2375	}
2376
2377
2378	/*
2379	* Advance
2380	*/
2381	if (iRangeLeft < 0) /* 'r' */
2382	break;
2383	if (pDbgc->SourcePos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
2384	iRangeLeft -= cLines;
2385	else
2386	iRangeLeft -= 1;
2387	rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "(%Dv) + %x", &pDbgc->SourcePos, 1);
2388	if (RT_FAILURE(rc))
2389	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->SourcePos, 1);
2390	if (iRangeLeft <= 0)
2391	break;
2392	}
2393
2394	NOREF(pCmd);
2395	return 0;
2396	}
2397
2398
2399	/**
2400	* @callback_method_impl{FNDBGCCMD, The 'r' command.}
2401	*/
2402	static DECLCALLBACK(int) dbgcCmdReg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2403	{
2404	return dbgcCmdRegGuest(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
2405	}
2406
2407
2408	/**
2409	* @callback_method_impl{FNDBGCCMD, Common worker for the dbgcCmdReg*()
2410	* commands.}
2411	*/
2412	static DECLCALLBACK(int) dbgcCmdRegCommon(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs,
2413	const char *pszPrefix)
2414	{
2415	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2416	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 \|\| cArgs == 2 \|\| cArgs == 3);
2417	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING
2418	\|\| paArgs[0].enmType == DBGCVAR_TYPE_SYMBOL);
2419
2420	/*
2421	* Parse the register name and kind.
2422	*/
2423	const char *pszReg = paArgs[0].u.pszString;
2424	if (*pszReg == '@')
2425	pszReg++;
2426	VMCPUID idCpu = pDbgc->idCpu;
2427	if (*pszPrefix)
2428	idCpu \|= DBGFREG_HYPER_VMCPUID;
2429	if (*pszReg == '.')
2430	{
2431	pszReg++;
2432	idCpu \|= DBGFREG_HYPER_VMCPUID;
2433	}
2434	const char * const pszActualPrefix = idCpu & DBGFREG_HYPER_VMCPUID ? "." : "";
2435
2436	/*
2437	* Query the register type & value (the setter needs the type).
2438	*/
2439	DBGFREGVALTYPE enmType;
2440	DBGFREGVAL Value;
2441	int rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType);
2442	if (RT_FAILURE(rc))
2443	{
2444	if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
2445	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
2446	pszActualPrefix, pszReg);
2447	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n",
2448	pszActualPrefix, pszReg, rc);
2449	}
2450	if (cArgs == 1)
2451	{
2452	/*
2453	* Show the register.
2454	*/
2455	char szValue[160];
2456	rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &Value, enmType, true /fSpecial/);
2457	if (RT_SUCCESS(rc))
2458	rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, pszReg, szValue);
2459	else
2460	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2461	}
2462	else
2463	{
2464	DBGCVAR NewValueTmp;
2465	PCDBGCVAR pNewValue;
2466	if (cArgs == 3)
2467	{
2468	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, paArgs[1].enmType == DBGCVAR_TYPE_STRING);
2469	if (strcmp(paArgs[1].u.pszString, "="))
2470	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Second argument must be '='.");
2471	pNewValue = &paArgs[2];
2472	}
2473	else
2474	{
2475	/* Not possible to convince the parser to support both codeview and
2476	windbg syntax and make the equal sign optional. Try help it. */
2477	/** @todo make DBGCCmdHlpConvert do more with strings. */
2478	rc = DBGCCmdHlpConvert(pCmdHlp, &paArgs[1], DBGCVAR_TYPE_NUMBER, true /fConvSyms/, &NewValueTmp);
2479	if (RT_FAILURE(rc))
2480	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "The last argument must be a value or valid symbol.");
2481	pNewValue = &NewValueTmp;
2482	}
2483
2484	/*
2485	* Modify the register.
2486	*/
2487	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, pNewValue->enmType == DBGCVAR_TYPE_NUMBER);
2488	if (enmType != DBGFREGVALTYPE_DTR)
2489	{
2490	enmType = DBGFREGVALTYPE_U64;
2491	rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.u64);
2492	}
2493	else
2494	{
2495	enmType = DBGFREGVALTYPE_DTR;
2496	rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.dtr.u64Base);
2497	if (RT_SUCCESS(rc) && pNewValue->enmRangeType != DBGCVAR_RANGE_NONE)
2498	Value.dtr.u32Limit = (uint32_t)pNewValue->u64Range;
2499	}
2500	if (RT_SUCCESS(rc))
2501	{
2502	rc = DBGFR3RegNmSet(pUVM, idCpu, pszReg, &Value, enmType);
2503	if (RT_FAILURE(rc))
2504	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmSet failed settings '%s%s': %Rrc\n",
2505	pszActualPrefix, pszReg, rc);
2506	if (rc != VINF_SUCCESS)
2507	DBGCCmdHlpPrintf(pCmdHlp, "%s: warning: %Rrc\n", pCmd->pszCmd, rc);
2508	}
2509	else
2510	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2511	}
2512	return rc;
2513	}
2514
2515
2516	/**
2517	* @callback_method_impl{FNDBGCCMD,
2518	* The 'rg'\, 'rg64' and 'rg32' commands\, worker for 'r'.}
2519	*/
2520	static DECLCALLBACK(int) dbgcCmdRegGuest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2521	{
2522	/*
2523	* Show all registers our selves.
2524	*/
2525	if (cArgs == 0)
2526	{
2527	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2528	bool const f64BitMode = !strcmp(pCmd->pszCmd, "rg64")
2529	\|\| ( strcmp(pCmd->pszCmd, "rg32") != 0
2530	&& DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu));
2531	return DBGCCmdHlpRegPrintf(pCmdHlp, pDbgc->idCpu, f64BitMode, pDbgc->fRegTerse);
2532	}
2533	return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, "");
2534	}
2535
2536
2537	/**
2538	* @callback_method_impl{FNDBGCCMD, The 'rt' command.}
2539	*/
2540	static DECLCALLBACK(int) dbgcCmdRegTerse(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2541	{
2542	NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2543
2544	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2545	pDbgc->fRegTerse = !pDbgc->fRegTerse;
2546	return DBGCCmdHlpPrintf(pCmdHlp, pDbgc->fRegTerse ? "info: Terse register info.\n" : "info: Verbose register info.\n");
2547	}
2548
2549
2550	/**
2551	* @callback_method_impl{FNDBGCCMD, The 'pr' and 'tr' commands.}
2552	*/
2553	static DECLCALLBACK(int) dbgcCmdStepTraceToggle(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2554	{
2555	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2556	Assert(cArgs == 0); NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2557
2558	/* Note! windbg accepts 'r' as a flag to 'p', 'pa', 'pc', 'pt', 't',
2559	'ta', 'tc' and 'tt'. We've simplified it. */
2560	pDbgc->fStepTraceRegs = !pDbgc->fStepTraceRegs;
2561	return VINF_SUCCESS;
2562	}
2563
2564
2565	/**
2566	* @callback_method_impl{FNDBGCCMD, The 'p'\, 'pc'\, 'pt'\, 't'\, 'tc'\, and 'tt' commands.}
2567	*/
2568	static DECLCALLBACK(int) dbgcCmdStepTrace(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2569	{
2570	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2571	if (cArgs != 0)
2572	return DBGCCmdHlpFail(pCmdHlp, pCmd,
2573	"Sorry, but the '%s' command does not currently implement any arguments.\n", pCmd->pszCmd);
2574
2575	/* The 'count' has to be implemented by DBGC, whereas the
2576	filtering is taken care of by DBGF. */
2577
2578	/*
2579	* Convert the command to DBGF_STEP_F_XXX and other API input.
2580	*/
2581	//DBGFADDRESS StackPop;
2582	PDBGFADDRESS pStackPop = NULL;
2583	RTGCPTR cbStackPop = 0;
2584	uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : _64K;
2585	uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2586	if (pCmd->pszCmd[1] == 'c')
2587	fFlags \|= DBGF_STEP_F_STOP_ON_CALL;
2588	else if (pCmd->pszCmd[1] == 't')
2589	fFlags \|= DBGF_STEP_F_STOP_ON_RET;
2590	else if (pCmd->pszCmd[0] != 'p')
2591	cMaxSteps = 1;
2592	else
2593	{
2594	/** @todo consider passing RSP + 1 in for 'p' and something else sensible for
2595	* the 'pt' command. */
2596	}
2597
2598	int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, NULL, pStackPop, cbStackPop, cMaxSteps);
2599	if (RT_SUCCESS(rc))
2600	pDbgc->fReady = false;
2601	else
2602	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2603
2604	NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
2605	return rc;
2606	}
2607
2608
2609	/**
2610	* @callback_method_impl{FNDBGCCMD, The 'pa' and 'ta' commands.}
2611	*/
2612	static DECLCALLBACK(int) dbgcCmdStepTraceTo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2613	{
2614	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2615	if (cArgs != 1)
2616	return DBGCCmdHlpFail(pCmdHlp, pCmd,
2617	"Sorry, but the '%s' command only implements a single argument at present.\n", pCmd->pszCmd);
2618	DBGFADDRESS Address;
2619	int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
2620	if (RT_FAILURE(rc))
2621	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[0]);
2622
2623	uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : 1;
2624	uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2625	rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, &Address, NULL, 0, cMaxSteps);
2626	if (RT_SUCCESS(rc))
2627	pDbgc->fReady = false;
2628	else
2629	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2630	return rc;
2631	}
2632
2633
2634	/**
2635	* Helper that tries to resolve a far address to a symbol and formats it.
2636	*
2637	* @returns Pointer to symbol string on success, NULL if not resolved.
2638	* Free using RTStrFree.
2639	* @param pCmdHlp The command helper structure.
2640	* @param hAs The address space to use. NIL_RTDBGAS means no symbol resolving.
2641	* @param sel The selector part of the address.
2642	* @param off The offset part of the address.
2643	* @param pszPrefix How to prefix the symbol string.
2644	* @param pszSuffix How to suffix the symbol string.
2645	*/
2646	static char *dbgcCmdHlpFarAddrToSymbol(PDBGCCMDHLP pCmdHlp, RTDBGAS hAs, RTSEL sel, uint64_t off,
2647	const char pszPrefix, const char pszSuffix)
2648	{
2649	char *pszRet = NULL;
2650	if (hAs != NIL_RTDBGAS)
2651	{
2652	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2653	DBGFADDRESS Addr;
2654	int rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr, sel, off);
2655	if (RT_SUCCESS(rc))
2656	{
2657	RTGCINTPTR offDispSym = 0;
2658	PRTDBGSYMBOL pSymbol = DBGFR3AsSymbolByAddrA(pDbgc->pUVM, hAs, &Addr,
2659	RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL
2660	\| RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
2661	&offDispSym, NULL);
2662	if (pSymbol)
2663	{
2664	if (offDispSym == 0)
2665	pszRet = RTStrAPrintf2("%s%s%s", pszPrefix, pSymbol->szName, pszSuffix);
2666	else if (offDispSym > 0)
2667	pszRet = RTStrAPrintf2("%s%s+%llx%s", pszPrefix, pSymbol->szName, (int64_t)offDispSym, pszSuffix);
2668	else
2669	pszRet = RTStrAPrintf2("%s%s-%llx%s", pszPrefix, pSymbol->szName, -(int64_t)offDispSym, pszSuffix);
2670	RTDbgSymbolFree(pSymbol);
2671	}
2672	}
2673	}
2674	return pszRet;
2675	}
2676
2677
2678	/**
2679	* @callback_method_impl{FNDBGCCMD, The 'k'\, 'kg' and 'kh' commands.}
2680	*/
2681	static DECLCALLBACK(int) dbgcCmdStack(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2682	{
2683	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2684
2685	/*
2686	* Figure which context we're called for and start walking that stack.
2687	*/
2688	int rc;
2689	PCDBGFSTACKFRAME pFirstFrame;
2690	bool const fGuest = true;
2691	bool const fVerbose = pCmd->pszCmd[1] == 'v'
2692	\|\| (pCmd->pszCmd[1] != '\0' && pCmd->pszCmd[2] == 'v');
2693	rc = DBGFR3StackWalkBegin(pUVM, pDbgc->idCpu, fGuest ? DBGFCODETYPE_GUEST : DBGFCODETYPE_HYPER, &pFirstFrame);
2694	if (RT_FAILURE(rc))
2695	return DBGCCmdHlpPrintf(pCmdHlp, "Failed to begin stack walk, rc=%Rrc\n", rc);
2696
2697	/*
2698	* Print the frames.
2699	*/
2700	char szTmp[1024];
2701	uint32_t fBitFlags = 0;
2702	for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
2703	pFrame;
2704	pFrame = DBGFR3StackWalkNext(pFrame))
2705	{
2706	uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT \| DBGFSTACKFRAME_FLAGS_32BIT \| DBGFSTACKFRAME_FLAGS_64BIT);
2707	if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
2708	{
2709	if (fCurBitFlags != fBitFlags)
2710	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2711	rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2712	pFrame->iFrame,
2713	pFrame->AddrFrame.Sel,
2714	(uint16_t)pFrame->AddrFrame.off,
2715	pFrame->AddrReturnFrame.Sel,
2716	(uint16_t)pFrame->AddrReturnFrame.off,
2717	(uint32_t)pFrame->AddrReturnPC.Sel,
2718	(uint32_t)pFrame->AddrReturnPC.off,
2719	pFrame->Args.au32[0],
2720	pFrame->Args.au32[1],
2721	pFrame->Args.au32[2],
2722	pFrame->Args.au32[3]);
2723	}
2724	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
2725	{
2726	if (fCurBitFlags != fBitFlags)
2727	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2728	rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2729	pFrame->iFrame,
2730	(uint32_t)pFrame->AddrFrame.off,
2731	(uint32_t)pFrame->AddrReturnFrame.off,
2732	(uint32_t)pFrame->AddrReturnPC.Sel,
2733	(uint32_t)pFrame->AddrReturnPC.off,
2734	pFrame->Args.au32[0],
2735	pFrame->Args.au32[1],
2736	pFrame->Args.au32[2],
2737	pFrame->Args.au32[3]);
2738	}
2739	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
2740	{
2741	if (fCurBitFlags != fBitFlags)
2742	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
2743	rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %016RX64 %04RX16:%016RX64 %016RX64",
2744	pFrame->iFrame,
2745	(uint64_t)pFrame->AddrFrame.off,
2746	pFrame->AddrReturnFrame.Sel,
2747	(uint64_t)pFrame->AddrReturnFrame.off,
2748	(uint64_t)pFrame->AddrReturnPC.off);
2749	}
2750	if (RT_FAILURE(rc))
2751	break;
2752	if (!pFrame->pSymPC)
2753	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
2754	fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
2755	? " %RTsel:%016RGv"
2756	: fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
2757	? " %RTsel:%08RGv"
2758	: " %RTsel:%04RGv"
2759	, pFrame->AddrPC.Sel, pFrame->AddrPC.off);
2760	else
2761	{
2762	RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
2763	if (offDisp > 0)
2764	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
2765	else if (offDisp < 0)
2766	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
2767	else
2768	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", pFrame->pSymPC->szName);
2769	}
2770	if (RT_SUCCESS(rc) && pFrame->pLinePC)
2771	rc = DBGCCmdHlpPrintf(pCmdHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
2772	if (RT_SUCCESS(rc))
2773	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2774
2775	if (fVerbose && RT_SUCCESS(rc))
2776	{
2777	/*
2778	* Display verbose frame info.
2779	*/
2780	const char *pszRetType = "invalid";
2781	switch (pFrame->enmReturnType)
2782	{
2783	case RTDBGRETURNTYPE_NEAR16: pszRetType = "retn/16"; break;
2784	case RTDBGRETURNTYPE_NEAR32: pszRetType = "retn/32"; break;
2785	case RTDBGRETURNTYPE_NEAR64: pszRetType = "retn/64"; break;
2786	case RTDBGRETURNTYPE_FAR16: pszRetType = "retf/16"; break;
2787	case RTDBGRETURNTYPE_FAR32: pszRetType = "retf/32"; break;
2788	case RTDBGRETURNTYPE_FAR64: pszRetType = "retf/64"; break;
2789	case RTDBGRETURNTYPE_IRET16: pszRetType = "iret-16"; break;
2790	case RTDBGRETURNTYPE_IRET32: pszRetType = "iret/32s"; break;
2791	case RTDBGRETURNTYPE_IRET32_PRIV: pszRetType = "iret/32p"; break;
2792	case RTDBGRETURNTYPE_IRET32_V86: pszRetType = "iret/v86"; break;
2793	case RTDBGRETURNTYPE_IRET64: pszRetType = "iret/64"; break;
2794
2795	case RTDBGRETURNTYPE_END:
2796	case RTDBGRETURNTYPE_INVALID:
2797	case RTDBGRETURNTYPE_32BIT_HACK:
2798	break;
2799	}
2800	size_t cchLine = DBGCCmdHlpPrintfLen(pCmdHlp, " %s", pszRetType);
2801	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_UNWIND_INFO)
2802	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-unwind-info");
2803	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_ODD_EVEN)
2804	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-odd-even");
2805	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_REAL_V86)
2806	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " real-v86");
2807	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_MAX_DEPTH)
2808	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " max-depth");
2809	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_TRAP_FRAME)
2810	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " trap-frame");
2811
2812	if (pFrame->cSureRegs > 0)
2813	{
2814	cchLine = 1024; /* force new line */
2815	for (uint32_t i = 0; i < pFrame->cSureRegs; i++)
2816	{
2817	if (cchLine > 80)
2818	{
2819	DBGCCmdHlpPrintf(pCmdHlp, "\n ");
2820	cchLine = 2;
2821	}
2822
2823	szTmp[0] = '\0';
2824	DBGFR3RegFormatValue(szTmp, sizeof(szTmp), &pFrame->paSureRegs[i].Value,
2825	pFrame->paSureRegs[i].enmType, false);
2826	const char *pszName = pFrame->paSureRegs[i].enmReg != DBGFREG_END
2827	? DBGFR3RegCpuName(pUVM, pFrame->paSureRegs[i].enmReg, pFrame->paSureRegs[i].enmType)
2828	: pFrame->paSureRegs[i].pszName;
2829	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " %s=%s", pszName, szTmp);
2830	}
2831	}
2832
2833	if (RT_SUCCESS(rc))
2834	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2835	}
2836
2837	if (RT_FAILURE(rc))
2838	break;
2839
2840	fBitFlags = fCurBitFlags;
2841	}
2842
2843	DBGFR3StackWalkEnd(pFirstFrame);
2844
2845	NOREF(paArgs); NOREF(cArgs);
2846	return rc;
2847	}
2848
2849
2850	/**
2851	* Worker function that displays one descriptor entry (GDT, LDT, IDT).
2852	*
2853	* @returns pfnPrintf status code.
2854	* @param pCmdHlp The DBGC command helpers.
2855	* @param pDesc The descriptor to display.
2856	* @param iEntry The descriptor entry number.
2857	* @param fHyper Whether the selector belongs to the hypervisor or not.
2858	* @param hAs Address space to use when resolving symbols.
2859	* @param pfDblEntry Where to indicate whether the entry is two entries wide.
2860	* Optional.
2861	*/
2862	static int dbgcCmdDumpDTWorker64(PDBGCCMDHLP pCmdHlp, PCX86DESC64 pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs,
2863	bool *pfDblEntry)
2864	{
2865	/* GUEST64 */
2866	int rc;
2867
2868	const char *pszHyper = fHyper ? " HYPER" : "";
2869	const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
2870	if (pDesc->Gen.u1DescType)
2871	{
2872	static const char * const s_apszTypes[] =
2873	{
2874	"DataRO", /* 0 Read-Only */
2875	"DataRO", /* 1 Read-Only - Accessed */
2876	"DataRW", /* 2 Read/Write */
2877	"DataRW", /* 3 Read/Write - Accessed */
2878	"DownRO", /* 4 Expand-down, Read-Only */
2879	"DownRO", /* 5 Expand-down, Read-Only - Accessed */
2880	"DownRW", /* 6 Expand-down, Read/Write */
2881	"DownRW", /* 7 Expand-down, Read/Write - Accessed */
2882	"CodeEO", /* 8 Execute-Only */
2883	"CodeEO", /* 9 Execute-Only - Accessed */
2884	"CodeER", /* A Execute/Readable */
2885	"CodeER", /* B Execute/Readable - Accessed */
2886	"ConfE0", /* C Conforming, Execute-Only */
2887	"ConfE0", /* D Conforming, Execute-Only - Accessed */
2888	"ConfER", /* E Conforming, Execute/Readable */
2889	"ConfER" /* F Conforming, Execute/Readable - Accessed */
2890	};
2891	const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
2892	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
2893	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2894	uint32_t u32Base = X86DESC_BASE(pDesc);
2895	uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2896
2897	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
2898	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
2899	pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
2900	pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
2901	}
2902	else
2903	{
2904	static const char * const s_apszTypes[] =
2905	{
2906	"Ill-0 ", /* 0 0000 Reserved (Illegal) */
2907	"Ill-1 ", /* 1 0001 Available 16-bit TSS */
2908	"LDT ", /* 2 0010 LDT */
2909	"Ill-3 ", /* 3 0011 Busy 16-bit TSS */
2910	"Ill-4 ", /* 4 0100 16-bit Call Gate */
2911	"Ill-5 ", /* 5 0101 Task Gate */
2912	"Ill-6 ", /* 6 0110 16-bit Interrupt Gate */
2913	"Ill-7 ", /* 7 0111 16-bit Trap Gate */
2914	"Ill-8 ", /* 8 1000 Reserved (Illegal) */
2915	"Tss64A", /* 9 1001 Available 32-bit TSS */
2916	"Ill-A ", /* A 1010 Reserved (Illegal) */
2917	"Tss64B", /* B 1011 Busy 32-bit TSS */
2918	"Call64", /* C 1100 32-bit Call Gate */
2919	"Ill-D ", /* D 1101 Reserved (Illegal) */
2920	"Int64 ", /* E 1110 32-bit Interrupt Gate */
2921	"Trap64" /* F 1111 32-bit Trap Gate */
2922	};
2923	switch (pDesc->Gen.u4Type)
2924	{
2925	/* raw */
2926	case X86_SEL_TYPE_SYS_UNDEFINED:
2927	case X86_SEL_TYPE_SYS_UNDEFINED2:
2928	case X86_SEL_TYPE_SYS_UNDEFINED4:
2929	case X86_SEL_TYPE_SYS_UNDEFINED3:
2930	case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
2931	case X86_SEL_TYPE_SYS_286_TSS_BUSY:
2932	case X86_SEL_TYPE_SYS_286_CALL_GATE:
2933	case X86_SEL_TYPE_SYS_286_INT_GATE:
2934	case X86_SEL_TYPE_SYS_286_TRAP_GATE:
2935	case X86_SEL_TYPE_SYS_TASK_GATE:
2936	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
2937	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
2938	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
2939	break;
2940
2941	case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
2942	case X86_SEL_TYPE_SYS_386_TSS_BUSY:
2943	case X86_SEL_TYPE_SYS_LDT:
2944	{
2945	const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
2946	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2947	const char *pszLong = pDesc->Gen.u1Long ? "LONG" : " ";
2948
2949	uint64_t u64Base = X86DESC64_BASE(pDesc);
2950	uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2951
2952	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%016RX64 Lim=%08x DPL=%d %s %s %s %sAVL=%d R=%d%s\n",
2953	iEntry, s_apszTypes[pDesc->Gen.u4Type], u64Base, cbLimit,
2954	pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszLong, pszBig,
2955	pDesc->Gen.u1Available, pDesc->Gen.u1Long \| (pDesc->Gen.u1DefBig << 1),
2956	pszHyper);
2957	if (pfDblEntry)
2958	*pfDblEntry = true;
2959	break;
2960	}
2961
2962	case X86_SEL_TYPE_SYS_386_CALL_GATE:
2963	{
2964	unsigned cParams = pDesc->au8[4] & 0x1f;
2965	const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
2966	RTSEL sel = pDesc->au16[1];
2967	uint64_t off = pDesc->au16[0]
2968	\| ((uint64_t)pDesc->au16[3] << 16)
2969	\| ((uint64_t)pDesc->Gen.u32BaseHigh3 << 32);
2970	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
2971	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%d %s %s=%d%s%s\n",
2972	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
2973	pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : "");
2974	RTStrFree(pszSymbol);
2975	if (pfDblEntry)
2976	*pfDblEntry = true;
2977	break;
2978	}
2979
2980	case X86_SEL_TYPE_SYS_386_INT_GATE:
2981	case X86_SEL_TYPE_SYS_386_TRAP_GATE:
2982	{
2983	RTSEL sel = pDesc->Gate.u16Sel;
2984	uint64_t off = pDesc->Gate.u16OffsetLow
2985	\| ((uint64_t)pDesc->Gate.u16OffsetHigh << 16)
2986	\| ((uint64_t)pDesc->Gate.u32OffsetTop << 32);
2987	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
2988	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%u %s IST=%u%s%s\n",
2989	iEntry, s_apszTypes[pDesc->Gate.u4Type], sel, off,
2990	pDesc->Gate.u2Dpl, pszPresent, pDesc->Gate.u3IST, pszHyper, pszSymbol ? pszSymbol : "");
2991	RTStrFree(pszSymbol);
2992	if (pfDblEntry)
2993	*pfDblEntry = true;
2994	break;
2995	}
2996
2997	/* impossible, just it's necessary to keep gcc happy. */
2998	default:
2999	return VINF_SUCCESS;
3000	}
3001	}
3002	return VINF_SUCCESS;
3003	}
3004
3005
3006	/**
3007	* Worker function that displays one descriptor entry (GDT, LDT, IDT).
3008	*
3009	* @returns pfnPrintf status code.
3010	* @param pCmdHlp The DBGC command helpers.
3011	* @param pDesc The descriptor to display.
3012	* @param iEntry The descriptor entry number.
3013	* @param fHyper Whether the selector belongs to the hypervisor or not.
3014	* @param hAs Address space to use when resolving symbols.
3015	*/
3016	static int dbgcCmdDumpDTWorker32(PDBGCCMDHLP pCmdHlp, PCX86DESC pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs)
3017	{
3018	int rc;
3019
3020	const char *pszHyper = fHyper ? " HYPER" : "";
3021	const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
3022	if (pDesc->Gen.u1DescType)
3023	{
3024	static const char * const s_apszTypes[] =
3025	{
3026	"DataRO", /* 0 Read-Only */
3027	"DataRO", /* 1 Read-Only - Accessed */
3028	"DataRW", /* 2 Read/Write */
3029	"DataRW", /* 3 Read/Write - Accessed */
3030	"DownRO", /* 4 Expand-down, Read-Only */
3031	"DownRO", /* 5 Expand-down, Read-Only - Accessed */
3032	"DownRW", /* 6 Expand-down, Read/Write */
3033	"DownRW", /* 7 Expand-down, Read/Write - Accessed */
3034	"CodeEO", /* 8 Execute-Only */
3035	"CodeEO", /* 9 Execute-Only - Accessed */
3036	"CodeER", /* A Execute/Readable */
3037	"CodeER", /* B Execute/Readable - Accessed */
3038	"ConfE0", /* C Conforming, Execute-Only */
3039	"ConfE0", /* D Conforming, Execute-Only - Accessed */
3040	"ConfER", /* E Conforming, Execute/Readable */
3041	"ConfER" /* F Conforming, Execute/Readable - Accessed */
3042	};
3043	const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
3044	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3045	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3046	uint32_t u32Base = pDesc->Gen.u16BaseLow
3047	\| ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3048	\| ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3049	uint32_t cbLimit = pDesc->Gen.u16LimitLow \| (pDesc->Gen.u4LimitHigh << 16);
3050	if (pDesc->Gen.u1Granularity)
3051	cbLimit <<= PAGE_SHIFT;
3052
3053	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
3054	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3055	pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
3056	pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
3057	}
3058	else
3059	{
3060	static const char * const s_apszTypes[] =
3061	{
3062	"Ill-0 ", /* 0 0000 Reserved (Illegal) */
3063	"Tss16A", /* 1 0001 Available 16-bit TSS */
3064	"LDT ", /* 2 0010 LDT */
3065	"Tss16B", /* 3 0011 Busy 16-bit TSS */
3066	"Call16", /* 4 0100 16-bit Call Gate */
3067	"TaskG ", /* 5 0101 Task Gate */
3068	"Int16 ", /* 6 0110 16-bit Interrupt Gate */
3069	"Trap16", /* 7 0111 16-bit Trap Gate */
3070	"Ill-8 ", /* 8 1000 Reserved (Illegal) */
3071	"Tss32A", /* 9 1001 Available 32-bit TSS */
3072	"Ill-A ", /* A 1010 Reserved (Illegal) */
3073	"Tss32B", /* B 1011 Busy 32-bit TSS */
3074	"Call32", /* C 1100 32-bit Call Gate */
3075	"Ill-D ", /* D 1101 Reserved (Illegal) */
3076	"Int32 ", /* E 1110 32-bit Interrupt Gate */
3077	"Trap32" /* F 1111 32-bit Trap Gate */
3078	};
3079	switch (pDesc->Gen.u4Type)
3080	{
3081	/* raw */
3082	case X86_SEL_TYPE_SYS_UNDEFINED:
3083	case X86_SEL_TYPE_SYS_UNDEFINED2:
3084	case X86_SEL_TYPE_SYS_UNDEFINED4:
3085	case X86_SEL_TYPE_SYS_UNDEFINED3:
3086	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
3087	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
3088	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3089	break;
3090
3091	case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
3092	case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
3093	case X86_SEL_TYPE_SYS_286_TSS_BUSY:
3094	case X86_SEL_TYPE_SYS_386_TSS_BUSY:
3095	case X86_SEL_TYPE_SYS_LDT:
3096	{
3097	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3098	const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
3099	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3100	uint32_t u32Base = pDesc->Gen.u16BaseLow
3101	\| ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3102	\| ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3103	uint32_t cbLimit = pDesc->Gen.u16LimitLow \| (pDesc->Gen.u4LimitHigh << 16);
3104	if (pDesc->Gen.u1Granularity)
3105	cbLimit <<= PAGE_SHIFT;
3106
3107	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d R=%d%s\n",
3108	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3109	pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszGranularity, pszBig,
3110	pDesc->Gen.u1Available, pDesc->Gen.u1Long \| (pDesc->Gen.u1DefBig << 1),
3111	pszHyper);
3112	break;
3113	}
3114
3115	case X86_SEL_TYPE_SYS_TASK_GATE:
3116	{
3117	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s TSS=%04x DPL=%d %s%s\n",
3118	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc->au16[1],
3119	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3120	break;
3121	}
3122
3123	case X86_SEL_TYPE_SYS_286_CALL_GATE:
3124	case X86_SEL_TYPE_SYS_386_CALL_GATE:
3125	{
3126	unsigned cParams = pDesc->au8[4] & 0x1f;
3127	const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
3128	RTSEL sel = pDesc->au16[1];
3129	uint32_t off = pDesc->au16[0] \| ((uint32_t)pDesc->au16[3] << 16);
3130	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3131	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s %s=%d%s%s\n",
3132	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3133	pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : "");
3134	RTStrFree(pszSymbol);
3135	break;
3136	}
3137
3138	case X86_SEL_TYPE_SYS_286_INT_GATE:
3139	case X86_SEL_TYPE_SYS_386_INT_GATE:
3140	case X86_SEL_TYPE_SYS_286_TRAP_GATE:
3141	case X86_SEL_TYPE_SYS_386_TRAP_GATE:
3142	{
3143	RTSEL sel = pDesc->au16[1];
3144	uint32_t off = pDesc->au16[0] \| ((uint32_t)pDesc->au16[3] << 16);
3145	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3146	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s%s%s\n",
3147	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3148	pDesc->Gen.u2Dpl, pszPresent, pszHyper, pszSymbol ? pszSymbol : "");
3149	RTStrFree(pszSymbol);
3150	break;
3151	}
3152
3153	/* impossible, just it's necessary to keep gcc happy. */
3154	default:
3155	return VINF_SUCCESS;
3156	}
3157	}
3158	return rc;
3159	}
3160
3161
3162	/**
3163	* @callback_method_impl{FNDBGCCMD, The 'dg'\, 'dga'\, 'dl' and 'dla' commands.}
3164	*/
3165	static DECLCALLBACK(int) dbgcCmdDumpDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3166	{
3167	/*
3168	* Validate input.
3169	*/
3170	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3171
3172	/*
3173	* Get the CPU mode, check which command variation this is
3174	* and fix a default parameter if needed.
3175	*/
3176	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3177	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
3178	CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
3179	bool fGdt = pCmd->pszCmd[1] == 'g';
3180	bool fAll = pCmd->pszCmd[2] == 'a';
3181	RTSEL SelTable = fGdt ? 0 : X86_SEL_LDT;
3182
3183	DBGCVAR Var;
3184	if (!cArgs)
3185	{
3186	cArgs = 1;
3187	paArgs = &Var;
3188	Var.enmType = DBGCVAR_TYPE_NUMBER;
3189	Var.u.u64Number = fGdt ? 0 : 4;
3190	Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3191	Var.u64Range = 1024;
3192	}
3193
3194	/*
3195	* Process the arguments.
3196	*/
3197	for (unsigned i = 0; i < cArgs; i++)
3198	{
3199	/*
3200	* Retrieve the selector value from the argument.
3201	* The parser may confuse pointers and numbers if more than one
3202	* argument is given, that that into account.
3203	*/
3204	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER \|\| DBGCVAR_ISPOINTER(paArgs[i].enmType));
3205	uint64_t u64;
3206	unsigned cSels = 1;
3207	switch (paArgs[i].enmType)
3208	{
3209	case DBGCVAR_TYPE_NUMBER:
3210	u64 = paArgs[i].u.u64Number;
3211	if (paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE)
3212	cSels = RT_MIN(paArgs[i].u64Range, 1024);
3213	break;
3214	case DBGCVAR_TYPE_GC_FAR: u64 = paArgs[i].u.GCFar.sel; break;
3215	case DBGCVAR_TYPE_GC_FLAT: u64 = paArgs[i].u.GCFlat; break;
3216	case DBGCVAR_TYPE_GC_PHYS: u64 = paArgs[i].u.GCPhys; break;
3217	case DBGCVAR_TYPE_HC_FLAT: u64 = (uintptr_t)paArgs[i].u.pvHCFlat; break;
3218	case DBGCVAR_TYPE_HC_PHYS: u64 = paArgs[i].u.HCPhys; break;
3219	default: u64 = _64K; break;
3220	}
3221	if (u64 < _64K)
3222	{
3223	unsigned Sel = (RTSEL)u64;
3224
3225	/*
3226	* Dump the specified range.
3227	*/
3228	bool fSingle = cSels == 1;
3229	while ( cSels-- > 0
3230	&& Sel < _64K)
3231	{
3232	DBGFSELINFO SelInfo;
3233	int rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, Sel \| SelTable, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
3234	if (RT_SUCCESS(rc))
3235	{
3236	if (SelInfo.fFlags & DBGFSELINFO_FLAGS_REAL_MODE)
3237	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x RealM Bas=%04x Lim=%04x\n",
3238	Sel, (unsigned)SelInfo.GCPtrBase, (unsigned)SelInfo.cbLimit);
3239	else if ( fAll
3240	\|\| fSingle
3241	\|\| SelInfo.u.Raw.Gen.u1Present)
3242	{
3243	if (enmMode == CPUMMODE_PROTECTED)
3244	rc = dbgcCmdDumpDTWorker32(pCmdHlp, &SelInfo.u.Raw, Sel,
3245	!!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL);
3246	else
3247	{
3248	bool fDblSkip = false;
3249	rc = dbgcCmdDumpDTWorker64(pCmdHlp, &SelInfo.u.Raw64, Sel,
3250	!!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL, &fDblSkip);
3251	if (fDblSkip)
3252	Sel += 4;
3253	}
3254	}
3255	}
3256	else
3257	{
3258	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %Rrc\n", Sel, rc);
3259	if (!fAll)
3260	return rc;
3261	}
3262	if (RT_FAILURE(rc))
3263	return rc;
3264
3265	/* next */
3266	Sel += 8;
3267	}
3268	}
3269	else
3270	DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds\n", u64);
3271	}
3272
3273	return VINF_SUCCESS;
3274	}
3275
3276
3277	/**
3278	* @callback_method_impl{FNDBGCCMD, The 'di' and 'dia' commands.}
3279	*/
3280	static DECLCALLBACK(int) dbgcCmdDumpIDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3281	{
3282	/*
3283	* Validate input.
3284	*/
3285	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3286
3287	/*
3288	* Establish some stuff like the current IDTR and CPU mode,
3289	* and fix a default parameter.
3290	*/
3291	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3292	CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp);
3293	uint16_t cbLimit = 0;
3294	uint64_t GCFlat = 0;
3295	int rc = DBGFR3RegCpuQueryXdtr(pDbgc->pUVM, pDbgc->idCpu, DBGFREG_IDTR, &GCFlat, &cbLimit);
3296	if (RT_FAILURE(rc))
3297	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3RegCpuQueryXdtr/DBGFREG_IDTR");
3298	unsigned cbEntry;
3299	switch (enmMode)
3300	{
3301	case CPUMMODE_REAL: cbEntry = sizeof(RTFAR16); break;
3302	case CPUMMODE_PROTECTED: cbEntry = sizeof(X86DESC); break;
3303	case CPUMMODE_LONG: cbEntry = sizeof(X86DESC64); break;
3304	default:
3305	return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid CPU mode %d.\n", enmMode);
3306	}
3307
3308	bool fAll = pCmd->pszCmd[2] == 'a';
3309	DBGCVAR Var;
3310	if (!cArgs)
3311	{
3312	cArgs = 1;
3313	paArgs = &Var;
3314	Var.enmType = DBGCVAR_TYPE_NUMBER;
3315	Var.u.u64Number = 0;
3316	Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3317	Var.u64Range = 256;
3318	}
3319
3320	/*
3321	* Process the arguments.
3322	*/
3323	for (unsigned i = 0; i < cArgs; i++)
3324	{
3325	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER);
3326	if (paArgs[i].u.u64Number < 256)
3327	{
3328	RTGCUINTPTR iInt = (RTGCUINTPTR)paArgs[i].u.u64Number;
3329	unsigned cInts = paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE
3330	? paArgs[i].u64Range
3331	: 1;
3332	bool fSingle = cInts == 1;
3333	while ( cInts-- > 0
3334	&& iInt < 256)
3335	{
3336	/*
3337	* Try read it.
3338	*/
3339	union
3340	{
3341	RTFAR16 Real;
3342	X86DESC Prot;
3343	X86DESC64 Long;
3344	} u;
3345	if (iInt * cbEntry + (cbEntry - 1) > cbLimit)
3346	{
3347	DBGCCmdHlpPrintf(pCmdHlp, "%04x not within the IDT\n", (unsigned)iInt);
3348	if (!fAll && !fSingle)
3349	return VINF_SUCCESS;
3350	}
3351	DBGCVAR AddrVar;
3352	AddrVar.enmType = DBGCVAR_TYPE_GC_FLAT;
3353	AddrVar.u.GCFlat = GCFlat + iInt * cbEntry;
3354	AddrVar.enmRangeType = DBGCVAR_RANGE_NONE;
3355	rc = pCmdHlp->pfnMemRead(pCmdHlp, &u, cbEntry, &AddrVar, NULL);
3356	if (RT_FAILURE(rc))
3357	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading IDT entry %#04x.\n", (unsigned)iInt);
3358
3359	/*
3360	* Display it.
3361	*/
3362	switch (enmMode)
3363	{
3364	case CPUMMODE_REAL:
3365	{
3366	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, DBGF_AS_GLOBAL, u.Real.sel, u.Real.off, " (", ")");
3367	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %RTfp16%s\n", (unsigned)iInt, u.Real, pszSymbol ? pszSymbol : "");
3368	RTStrFree(pszSymbol);
3369	break;
3370	}
3371	case CPUMMODE_PROTECTED:
3372	if (fAll \|\| fSingle \|\| u.Prot.Gen.u1Present)
3373	rc = dbgcCmdDumpDTWorker32(pCmdHlp, &u.Prot, iInt, false, DBGF_AS_GLOBAL);
3374	break;
3375	case CPUMMODE_LONG:
3376	if (fAll \|\| fSingle \|\| u.Long.Gen.u1Present)
3377	rc = dbgcCmdDumpDTWorker64(pCmdHlp, &u.Long, iInt, false, DBGF_AS_GLOBAL, NULL);
3378	break;
3379	default: break; /* to shut up gcc */
3380	}
3381	if (RT_FAILURE(rc))
3382	return rc;
3383
3384	/* next */
3385	iInt++;
3386	}
3387	}
3388	else
3389	DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds (max 256)\n", paArgs[i].u.u64Number);
3390	}
3391
3392	return VINF_SUCCESS;
3393	}
3394
3395
3396	/**
3397	* @callback_method_impl{FNDBGCCMD,
3398	* The 'da'\, 'dq'\, 'dqs'\, 'dd'\, 'dds'\, 'dw'\, 'db'\, 'dp'\, 'dps'\,
3399	* and 'du' commands.}
3400	*/
3401	static DECLCALLBACK(int) dbgcCmdDumpMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3402	{
3403	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3404
3405	/*
3406	* Validate input.
3407	*/
3408	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3409	if (cArgs == 1)
3410	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3411	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3412
3413	#define DBGC_DUMP_MEM_F_ASCII RT_BIT_32(31)
3414	#define DBGC_DUMP_MEM_F_UNICODE RT_BIT_32(30)
3415	#define DBGC_DUMP_MEM_F_FAR RT_BIT_32(29)
3416	#define DBGC_DUMP_MEM_F_SYMBOLS RT_BIT_32(28)
3417	#define DBGC_DUMP_MEM_F_SIZE UINT32_C(0x0000ffff)
3418
3419	/*
3420	* Figure out the element size.
3421	*/
3422	unsigned cbElement;
3423	bool fAscii = false;
3424	bool fUnicode = false;
3425	bool fFar = false;
3426	bool fSymbols = pCmd->pszCmd[1] && pCmd->pszCmd[2] == 's';
3427	switch (pCmd->pszCmd[1])
3428	{
3429	default:
3430	case 'b': cbElement = 1; break;
3431	case 'w': cbElement = 2; break;
3432	case 'd': cbElement = 4; break;
3433	case 'q': cbElement = 8; break;
3434	case 'a':
3435	cbElement = 1;
3436	fAscii = true;
3437	break;
3438	case 'F':
3439	cbElement = 4;
3440	fFar = true;
3441	break;
3442	case 'p':
3443	cbElement = DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu) ? 8 : 4;
3444	break;
3445	case 'u':
3446	cbElement = 2;
3447	fUnicode = true;
3448	break;
3449	case '\0':
3450	fAscii = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_ASCII);
3451	fSymbols = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SYMBOLS);
3452	fUnicode = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_UNICODE);
3453	fFar = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_FAR);
3454	cbElement = pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SIZE;
3455	if (!cbElement)
3456	cbElement = 1;
3457	break;
3458	}
3459	uint32_t const cbDumpElement = cbElement
3460	\| (fSymbols ? DBGC_DUMP_MEM_F_SYMBOLS : 0)
3461	\| (fFar ? DBGC_DUMP_MEM_F_FAR : 0)
3462	\| (fUnicode ? DBGC_DUMP_MEM_F_UNICODE : 0)
3463	\| (fAscii ? DBGC_DUMP_MEM_F_ASCII : 0);
3464	pDbgc->cbDumpElement = cbDumpElement;
3465
3466	/*
3467	* Find address.
3468	*/
3469	if (!cArgs)
3470	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_NONE;
3471	else
3472	pDbgc->DumpPos = paArgs[0];
3473
3474	/*
3475	* Range.
3476	*/
3477	switch (pDbgc->DumpPos.enmRangeType)
3478	{
3479	case DBGCVAR_RANGE_NONE:
3480	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3481	pDbgc->DumpPos.u64Range = 0x60;
3482	break;
3483
3484	case DBGCVAR_RANGE_ELEMENTS:
3485	if (pDbgc->DumpPos.u64Range > 2048)
3486	return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many elements requested. Max is 2048 elements.\n");
3487	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3488	pDbgc->DumpPos.u64Range = (cbElement ? cbElement : 1) * pDbgc->DumpPos.u64Range;
3489	break;
3490
3491	case DBGCVAR_RANGE_BYTES:
3492	if (pDbgc->DumpPos.u64Range > 65536)
3493	return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
3494	break;
3495
3496	default:
3497	return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->DumpPos.enmRangeType);
3498	}
3499
3500	pDbgc->pLastPos = &pDbgc->DumpPos;
3501
3502	/*
3503	* Do the dumping.
3504	*/
3505	int cbLeft = (int)pDbgc->DumpPos.u64Range;
3506	uint8_t u16Prev = '\0';
3507	for (;;)
3508	{
3509	/*
3510	* Read memory.
3511	*/
3512	char achBuffer[16];
3513	size_t cbReq = RT_MIN((int)sizeof(achBuffer), cbLeft);
3514	size_t cb = RT_MIN((int)sizeof(achBuffer), cbLeft);
3515	int rc = pCmdHlp->pfnMemRead(pCmdHlp, &achBuffer, cbReq, &pDbgc->DumpPos, &cb);
3516	if (RT_FAILURE(rc))
3517	{
3518	if (u16Prev && u16Prev != '\n')
3519	DBGCCmdHlpPrintf(pCmdHlp, "\n");
3520	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading memory at %DV.\n", &pDbgc->DumpPos);
3521	}
3522
3523	/*
3524	* Display it.
3525	*/
3526	memset(&achBuffer[cb], 0, sizeof(achBuffer) - cb);
3527	if (!fAscii && !fUnicode)
3528	{
3529	DBGCCmdHlpPrintf(pCmdHlp, "%DV:", &pDbgc->DumpPos);
3530	unsigned i;
3531	for (i = 0; i < cb; i += cbElement)
3532	{
3533	const char *pszSpace = " ";
3534	if (cbElement <= 2 && i == 8)
3535	pszSpace = "-";
3536	switch (cbElement)
3537	{
3538	case 1:
3539	DBGCCmdHlpPrintf(pCmdHlp, "%s%02x", pszSpace, (uint8_t )&achBuffer[i]);
3540	break;
3541	case 2:
3542	DBGCCmdHlpPrintf(pCmdHlp, "%s%04x", pszSpace, (uint16_t )&achBuffer[i]);
3543	break;
3544	case 4:
3545	if (!fFar)
3546	DBGCCmdHlpPrintf(pCmdHlp, "%s%08x", pszSpace, (uint32_t )&achBuffer[i]);
3547	else
3548	DBGCCmdHlpPrintf(pCmdHlp, "%s%04x:%04x:",
3549	pszSpace, (uint16_t )&achBuffer[i + 2], (uint16_t )&achBuffer[i]);
3550	break;
3551	case 8:
3552	DBGCCmdHlpPrintf(pCmdHlp, "%s%016llx", pszSpace, (uint64_t )&achBuffer[i]);
3553	break;
3554	}
3555
3556	if (fSymbols)
3557	{
3558	/* Try lookup symbol for the above address. */
3559	DBGFADDRESS Addr;
3560	rc = VINF_SUCCESS;
3561	if (cbElement == 8)
3562	DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, (uint64_t )&achBuffer[i]);
3563	else if (!fFar)
3564	DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, (uint32_t )&achBuffer[i]);
3565	else
3566	rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr,
3567	(uint16_t )&achBuffer[i + 2], (uint16_t )&achBuffer[i]);
3568	if (RT_SUCCESS(rc))
3569	{
3570	RTINTPTR offDisp;
3571	RTDBGSYMBOL Symbol;
3572	rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, &Addr,
3573	RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL \| RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
3574	&offDisp, &Symbol, NULL);
3575	if (RT_SUCCESS(rc))
3576	{
3577	if (!offDisp)
3578	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", Symbol.szName);
3579	else if (offDisp > 0)
3580	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s + %RGv", Symbol.szName, offDisp);
3581	else
3582	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s - %RGv", Symbol.szName, -offDisp);
3583	if (Symbol.cb > 0)
3584	rc = DBGCCmdHlpPrintf(pCmdHlp, " (LB %RGv)", Symbol.cb);
3585	}
3586	}
3587
3588	/* Next line prefix. */
3589	unsigned iNext = i + cbElement;
3590	if (iNext < cb)
3591	{
3592	DBGCVAR TmpPos = pDbgc->DumpPos;
3593	DBGCCmdHlpEval(pCmdHlp, &TmpPos, "(%Dv) + %x", &pDbgc->DumpPos, iNext);
3594	DBGCCmdHlpPrintf(pCmdHlp, "\n%DV:", &pDbgc->DumpPos);
3595	}
3596	}
3597	}
3598
3599	/* Chars column. */
3600	if (cbElement == 1)
3601	{
3602	while (i++ < sizeof(achBuffer))
3603	DBGCCmdHlpPrintf(pCmdHlp, " ");
3604	DBGCCmdHlpPrintf(pCmdHlp, " ");
3605	for (i = 0; i < cb; i += cbElement)
3606	{
3607	uint8_t u8 = (uint8_t )&achBuffer[i];
3608	if (RT_C_IS_PRINT(u8) && u8 < 127 && u8 >= 32)
3609	DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
3610	else
3611	DBGCCmdHlpPrintf(pCmdHlp, ".");
3612	}
3613	}
3614	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3615	}
3616	else
3617	{
3618	/*
3619	* We print up to the first zero and stop there.
3620	* Only printables + '\t' and '\n' are printed.
3621	*/
3622	if (!u16Prev)
3623	DBGCCmdHlpPrintf(pCmdHlp, "%DV:\n", &pDbgc->DumpPos);
3624	uint16_t u16 = '\0';
3625	unsigned i;
3626	for (i = 0; i < cb; i += cbElement)
3627	{
3628	u16Prev = u16;
3629	if (cbElement == 1)
3630	u16 = (uint8_t )&achBuffer[i];
3631	else
3632	u16 = (uint16_t )&achBuffer[i];
3633	if ( u16 < 127
3634	&& ( (RT_C_IS_PRINT(u16) && u16 >= 32)
3635	\|\| u16 == '\t'
3636	\|\| u16 == '\n'))
3637	DBGCCmdHlpPrintf(pCmdHlp, "%c", (int)u16);
3638	else if (!u16)
3639	break;
3640	else
3641	DBGCCmdHlpPrintf(pCmdHlp, "\\x%0x", cbElement 2, u16);
3642	}
3643	if (u16 == '\0')
3644	cb = cbLeft = i + 1;
3645	if (cbLeft - cb <= 0 && u16Prev != '\n')
3646	DBGCCmdHlpPrintf(pCmdHlp, "\n");
3647	}
3648
3649	/*
3650	* Advance
3651	*/
3652	cbLeft -= (int)cb;
3653	rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DumpPos, "(%Dv) + %x", &pDbgc->DumpPos, cb);
3654	if (RT_FAILURE(rc))
3655	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->DumpPos, cb);
3656	if (cbLeft <= 0)
3657	break;
3658	}
3659
3660	NOREF(pCmd);
3661	return VINF_SUCCESS;
3662	}
3663
3664
3665	/**
3666	* Best guess at which paging mode currently applies to the guest
3667	* paging structures.
3668	*
3669	* This have to come up with a decent answer even when the guest
3670	* is in non-paged protected mode or real mode.
3671	*
3672	* @returns cr3.
3673	* @param pDbgc The DBGC instance.
3674	* @param pfPAE Where to store the page address extension indicator.
3675	* @param pfLME Where to store the long mode enabled indicator.
3676	* @param pfPSE Where to store the page size extension indicator.
3677	* @param pfPGE Where to store the page global enabled indicator.
3678	* @param pfNXE Where to store the no-execution enabled indicator.
3679	*/
3680	static RTGCPHYS dbgcGetGuestPageMode(PDBGC pDbgc, bool pfPAE, bool pfLME, bool pfPSE, bool pfPGE, bool *pfNXE)
3681	{
3682	PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3683	RTGCUINTREG cr4 = CPUMGetGuestCR4(pVCpu);
3684	*pfPSE = !!(cr4 & X86_CR4_PSE);
3685	*pfPGE = !!(cr4 & X86_CR4_PGE);
3686	if (cr4 & X86_CR4_PAE)
3687	{
3688	*pfPSE = true;
3689	*pfPAE = true;
3690	}
3691	else
3692	*pfPAE = false;
3693
3694	*pfLME = CPUMGetGuestMode(pVCpu) == CPUMMODE_LONG;
3695	pfNXE = false; / GUEST64 GUESTNX */
3696	return CPUMGetGuestCR3(pVCpu);
3697	}
3698
3699
3700	/**
3701	* Determine the shadow paging mode.
3702	*
3703	* @returns cr3.
3704	* @param pDbgc The DBGC instance.
3705	* @param pfPAE Where to store the page address extension indicator.
3706	* @param pfLME Where to store the long mode enabled indicator.
3707	* @param pfPSE Where to store the page size extension indicator.
3708	* @param pfPGE Where to store the page global enabled indicator.
3709	* @param pfNXE Where to store the no-execution enabled indicator.
3710	*/
3711	static RTHCPHYS dbgcGetShadowPageMode(PDBGC pDbgc, bool pfPAE, bool pfLME, bool pfPSE, bool pfPGE, bool *pfNXE)
3712	{
3713	PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3714
3715	*pfPSE = true;
3716	*pfPGE = false;
3717	switch (PGMGetShadowMode(pVCpu))
3718	{
3719	default:
3720	case PGMMODE_32_BIT:
3721	pfPAE = pfLME = *pfNXE = false;
3722	break;
3723	case PGMMODE_PAE:
3724	pfLME = pfNXE = false;
3725	*pfPAE = true;
3726	break;
3727	case PGMMODE_PAE_NX:
3728	*pfLME = false;
3729	pfPAE = pfNXE = true;
3730	break;
3731	case PGMMODE_AMD64:
3732	*pfNXE = false;
3733	pfPAE = pfLME = true;
3734	break;
3735	case PGMMODE_AMD64_NX:
3736	pfPAE = pfLME = *pfNXE = true;
3737	break;
3738	}
3739	return PGMGetHyperCR3(pVCpu);
3740	}
3741
3742
3743	/**
3744	* @callback_method_impl{FNDBGCCMD,
3745	* The 'dpd'\, 'dpda'\, 'dpdb'\, 'dpdg' and 'dpdh' commands.}
3746	*/
3747	static DECLCALLBACK(int) dbgcCmdDumpPageDir(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3748	{
3749	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3750
3751	/*
3752	* Validate input.
3753	*/
3754	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3755	if (cArgs == 1 && pCmd->pszCmd[3] == 'a')
3756	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3757	if (cArgs == 1 && pCmd->pszCmd[3] != 'a')
3758	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3759	\|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
3760	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3761
3762	/*
3763	* Guest or shadow page directories? Get the paging parameters.
3764	*/
3765	bool fGuest = pCmd->pszCmd[3] != 'h';
3766	if (!pCmd->pszCmd[3] \|\| pCmd->pszCmd[3] == 'a')
3767	fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER ? true : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
3768
3769	bool fPAE, fLME, fPSE, fPGE, fNXE;
3770	uint64_t cr3 = fGuest
3771	? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
3772	: dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
3773	const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
3774
3775	/*
3776	* Setup default argument if none was specified.
3777	* Fix address / index confusion.
3778	*/
3779	DBGCVAR VarDefault;
3780	if (!cArgs)
3781	{
3782	if (pCmd->pszCmd[3] == 'a')
3783	{
3784	if (fLME \|\| fPAE)
3785	return DBGCCmdHlpPrintf(pCmdHlp, "Default argument for 'dpda' hasn't been fully implemented yet. Try with an address or use one of the other commands.\n");
3786	if (fGuest)
3787	DBGCVAR_INIT_GC_PHYS(&VarDefault, cr3);
3788	else
3789	DBGCVAR_INIT_HC_PHYS(&VarDefault, cr3);
3790	}
3791	else
3792	DBGCVAR_INIT_GC_FLAT(&VarDefault, 0);
3793	paArgs = &VarDefault;
3794	cArgs = 1;
3795	}
3796	else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
3797	{
3798	/* If it's a number (not an address), it's an index, so convert it to an address. */
3799	Assert(pCmd->pszCmd[3] != 'a');
3800	VarDefault = paArgs[0];
3801	if (fPAE)
3802	return DBGCCmdHlpPrintf(pCmdHlp, "PDE indexing is only implemented for 32-bit paging.\n");
3803	if (VarDefault.u.u64Number >= PAGE_SIZE / cbEntry)
3804	return DBGCCmdHlpPrintf(pCmdHlp, "PDE index is out of range [0..%d].\n", PAGE_SIZE / cbEntry - 1);
3805	VarDefault.u.u64Number <<= X86_PD_SHIFT;
3806	VarDefault.enmType = DBGCVAR_TYPE_GC_FLAT;
3807	paArgs = &VarDefault;
3808	}
3809
3810	/*
3811	* Locate the PDE to start displaying at.
3812	*
3813	* The 'dpda' command takes the address of a PDE, while the others are guest
3814	* virtual address which PDEs should be displayed. So, 'dpda' is rather simple
3815	* while the others require us to do all the tedious walking thru the paging
3816	* hierarchy to find the intended PDE.
3817	*/
3818	unsigned iEntry = ~0U; /* The page directory index. ~0U for 'dpta'. */
3819	DBGCVAR VarGCPtr = { NULL, }; /* The GC address corresponding to the current PDE (iEntry != ~0U). */
3820	DBGCVAR VarPDEAddr; /* The address of the current PDE. */
3821	unsigned cEntries; /* The number of entries to display. */
3822	unsigned cEntriesMax; /* The max number of entries to display. */
3823	int rc;
3824	if (pCmd->pszCmd[3] == 'a')
3825	{
3826	VarPDEAddr = paArgs[0];
3827	switch (VarPDEAddr.enmRangeType)
3828	{
3829	case DBGCVAR_RANGE_BYTES: cEntries = VarPDEAddr.u64Range / cbEntry; break;
3830	case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPDEAddr.u64Range; break;
3831	default: cEntries = 10; break;
3832	}
3833	cEntriesMax = PAGE_SIZE / cbEntry;
3834	}
3835	else
3836	{
3837	/*
3838	* Determine the range.
3839	*/
3840	switch (paArgs[0].enmRangeType)
3841	{
3842	case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
3843	case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
3844	default: cEntries = 10; break;
3845	}
3846
3847	/*
3848	* Normalize the input address, it must be a flat GC address.
3849	*/
3850	rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
3851	if (RT_FAILURE(rc))
3852	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
3853	if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
3854	{
3855	VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
3856	VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
3857	}
3858	if (fPAE)
3859	VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_PAE_SHIFT) - 1);
3860	else
3861	VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_SHIFT) - 1);
3862
3863	/*
3864	* Do the paging walk until we get to the page directory.
3865	*/
3866	DBGCVAR VarCur;
3867	if (fGuest)
3868	DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
3869	else
3870	DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
3871	if (fLME)
3872	{
3873	/* Page Map Level 4 Lookup. */
3874	/* Check if it's a valid address first? */
3875	VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
3876	VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
3877	X86PML4E Pml4e;
3878	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
3879	if (RT_FAILURE(rc))
3880	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
3881	if (!Pml4e.n.u1Present)
3882	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
3883
3884	VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
3885	Assert(fPAE);
3886	}
3887	if (fPAE)
3888	{
3889	/* Page directory pointer table. */
3890	X86PDPE Pdpe;
3891	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
3892	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
3893	if (RT_FAILURE(rc))
3894	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
3895	if (!Pdpe.n.u1Present)
3896	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
3897
3898	iEntry = (VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK;
3899	VarPDEAddr = VarCur;
3900	VarPDEAddr.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
3901	VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDEPAE);
3902	}
3903	else
3904	{
3905	/* 32-bit legacy - CR3 == page directory. */
3906	iEntry = (VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK;
3907	VarPDEAddr = VarCur;
3908	VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDE);
3909	}
3910	cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
3911	}
3912
3913	/* adjust cEntries */
3914	cEntries = RT_MAX(1, cEntries);
3915	cEntries = RT_MIN(cEntries, cEntriesMax);
3916
3917	/*
3918	* The display loop.
3919	*/
3920	DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (index %#x):\n" : "%DV:\n",
3921	&VarPDEAddr, iEntry);
3922	do
3923	{
3924	/*
3925	* Read.
3926	*/
3927	X86PDEPAE Pde;
3928	Pde.u = 0;
3929	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, cbEntry, &VarPDEAddr, NULL);
3930	if (RT_FAILURE(rc))
3931	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarPDEAddr);
3932
3933	/*
3934	* Display.
3935	*/
3936	if (iEntry != ~0U)
3937	{
3938	DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
3939	iEntry++;
3940	}
3941	if (fPSE && Pde.b.u1Size)
3942	DBGCCmdHlpPrintf(pCmdHlp,
3943	fPAE
3944	? "%016llx big phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
3945	: "%08llx big phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
3946	Pde.u,
3947	Pde.u & X86_PDE_PAE_PG_MASK,
3948	Pde.b.u1Present ? "p " : "np",
3949	Pde.b.u1Write ? "w" : "r",
3950	Pde.b.u1User ? "u" : "s",
3951	Pde.b.u1Accessed ? "a " : "na",
3952	Pde.b.u1Dirty ? "d " : "nd",
3953	Pde.b.u3Available,
3954	Pde.b.u1Global ? (fPGE ? "g" : "G") : " ",
3955	Pde.b.u1WriteThru ? "pwt" : " ",
3956	Pde.b.u1CacheDisable ? "pcd" : " ",
3957	Pde.b.u1PAT ? "pat" : "",
3958	Pde.b.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
3959	else
3960	DBGCCmdHlpPrintf(pCmdHlp,
3961	fPAE
3962	? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s"
3963	: "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s",
3964	Pde.u,
3965	Pde.u & X86_PDE_PAE_PG_MASK,
3966	Pde.n.u1Present ? "p " : "np",
3967	Pde.n.u1Write ? "w" : "r",
3968	Pde.n.u1User ? "u" : "s",
3969	Pde.n.u1Accessed ? "a " : "na",
3970	Pde.u & RT_BIT(6) ? "6 " : " ",
3971	Pde.n.u3Available,
3972	Pde.u & RT_BIT(8) ? "8" : " ",
3973	Pde.n.u1WriteThru ? "pwt" : " ",
3974	Pde.n.u1CacheDisable ? "pcd" : " ",
3975	Pde.u & RT_BIT(7) ? "7" : "",
3976	Pde.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
3977	if (Pde.u & UINT64_C(0x7fff000000000000))
3978	DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pde.u & UINT64_C(0x7fff000000000000)));
3979	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3980	if (RT_FAILURE(rc))
3981	return rc;
3982
3983	/*
3984	* Advance.
3985	*/
3986	VarPDEAddr.u.u64Number += cbEntry;
3987	if (iEntry != ~0U)
3988	VarGCPtr.u.GCFlat += fPAE ? RT_BIT_32(X86_PD_PAE_SHIFT) : RT_BIT_32(X86_PD_SHIFT);
3989	} while (cEntries-- > 0);
3990
3991	return VINF_SUCCESS;
3992	}
3993
3994
3995	/**
3996	* @callback_method_impl{FNDBGCCMD, The 'dpdb' command.}
3997	*/
3998	static DECLCALLBACK(int) dbgcCmdDumpPageDirBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3999	{
4000	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4001	int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dpdg %DV", &paArgs[0]);
4002	int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpdh %DV", &paArgs[0]);
4003	if (RT_FAILURE(rc1))
4004	return rc1;
4005	NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
4006	return rc2;
4007	}
4008
4009
4010	/**
4011	* @callback_method_impl{FNDBGCCMD, The 'dph*' commands and main part of 'm'.}
4012	*/
4013	static DECLCALLBACK(int) dbgcCmdDumpPageHierarchy(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4014	{
4015	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4016	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4017
4018	/*
4019	* Figure the context and base flags.
4020	*/
4021	uint32_t fFlags = DBGFPGDMP_FLAGS_PAGE_INFO \| DBGFPGDMP_FLAGS_PRINT_CR3;
4022	if (pCmd->pszCmd[0] == 'm')
4023	fFlags \|= DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW;
4024	else if (pCmd->pszCmd[3] == '\0')
4025	fFlags \|= DBGFPGDMP_FLAGS_GUEST;
4026	else if (pCmd->pszCmd[3] == 'g')
4027	fFlags \|= DBGFPGDMP_FLAGS_GUEST;
4028	else if (pCmd->pszCmd[3] == 'h')
4029	fFlags \|= DBGFPGDMP_FLAGS_SHADOW;
4030	else
4031	AssertFailed();
4032
4033	if (pDbgc->cPagingHierarchyDumps == 0)
4034	fFlags \|= DBGFPGDMP_FLAGS_HEADER;
4035	pDbgc->cPagingHierarchyDumps = (pDbgc->cPagingHierarchyDumps + 1) % 42;
4036
4037	/*
4038	* Get the range.
4039	*/
4040	PCDBGCVAR pRange = cArgs > 0 ? &paArgs[0] : pDbgc->pLastPos;
4041	RTGCPTR GCPtrFirst = NIL_RTGCPTR;
4042	int rc = DBGCCmdHlpVarToFlatAddr(pCmdHlp, pRange, &GCPtrFirst);
4043	if (RT_FAILURE(rc))
4044	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to convert %DV to a flat address: %Rrc", pRange, rc);
4045
4046	uint64_t cbRange;
4047	rc = DBGCCmdHlpVarGetRange(pCmdHlp, pRange, PAGE_SIZE, PAGE_SIZE * 8, &cbRange);
4048	if (RT_FAILURE(rc))
4049	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to obtain the range of %DV: %Rrc", pRange, rc);
4050
4051	RTGCPTR GCPtrLast = RTGCPTR_MAX - GCPtrFirst;
4052	if (cbRange >= GCPtrLast)
4053	GCPtrLast = RTGCPTR_MAX;
4054	else if (!cbRange)
4055	GCPtrLast = GCPtrFirst;
4056	else
4057	GCPtrLast = GCPtrFirst + cbRange - 1;
4058
4059	/*
4060	* Do we have a CR3?
4061	*/
4062	uint64_t cr3 = 0;
4063	if (cArgs > 1)
4064	{
4065	if ((fFlags & (DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW)) == (DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW))
4066	return DBGCCmdHlpFail(pCmdHlp, pCmd, "No CR3 or mode arguments when dumping both context, please.");
4067	if (paArgs[1].enmType != DBGCVAR_TYPE_NUMBER)
4068	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The CR3 argument is not a number: %DV", &paArgs[1]);
4069	cr3 = paArgs[1].u.u64Number;
4070	}
4071	else
4072	fFlags \|= DBGFPGDMP_FLAGS_CURRENT_CR3;
4073
4074	/*
4075	* Do we have a mode?
4076	*/
4077	if (cArgs > 2)
4078	{
4079	if (paArgs[2].enmType != DBGCVAR_TYPE_STRING)
4080	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The mode argument is not a string: %DV", &paArgs[2]);
4081	static const struct MODETOFLAGS
4082	{
4083	const char *pszName;
4084	uint32_t fFlags;
4085	} s_aModeToFlags[] =
4086	{
4087	{ "ept", DBGFPGDMP_FLAGS_EPT },
4088	{ "legacy", 0 },
4089	{ "legacy-np", DBGFPGDMP_FLAGS_NP },
4090	{ "pse", DBGFPGDMP_FLAGS_PSE },
4091	{ "pse-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_NP },
4092	{ "pae", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE },
4093	{ "pae-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_NP },
4094	{ "pae-nx", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_NXE },
4095	{ "pae-nx-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_NXE \| DBGFPGDMP_FLAGS_NP },
4096	{ "long", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME },
4097	{ "long-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME \| DBGFPGDMP_FLAGS_NP },
4098	{ "long-nx", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME \| DBGFPGDMP_FLAGS_NXE },
4099	{ "long-nx-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME \| DBGFPGDMP_FLAGS_NXE \| DBGFPGDMP_FLAGS_NP }
4100	};
4101	int i = RT_ELEMENTS(s_aModeToFlags);
4102	while (i-- > 0)
4103	if (!strcmp(s_aModeToFlags[i].pszName, paArgs[2].u.pszString))
4104	{
4105	fFlags \|= s_aModeToFlags[i].fFlags;
4106	break;
4107	}
4108	if (i < 0)
4109	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown mode: \"%s\"", paArgs[2].u.pszString);
4110	}
4111	else
4112	fFlags \|= DBGFPGDMP_FLAGS_CURRENT_MODE;
4113
4114	/*
4115	* Call the worker.
4116	*/
4117	rc = DBGFR3PagingDumpEx(pUVM, pDbgc->idCpu, fFlags, cr3, GCPtrFirst, GCPtrLast, 99 /cMaxDepth/,
4118	DBGCCmdHlpGetDbgfOutputHlp(pCmdHlp));
4119	if (RT_FAILURE(rc))
4120	return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3PagingDumpEx: %Rrc\n", rc);
4121	return VINF_SUCCESS;
4122	}
4123
4124
4125
4126	/**
4127	* @callback_method_impl{FNDBGCCMD, The 'dpg*' commands.}
4128	*/
4129	static DECLCALLBACK(int) dbgcCmdDumpPageTable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4130	{
4131	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4132
4133	/*
4134	* Validate input.
4135	*/
4136	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1);
4137	if (pCmd->pszCmd[3] == 'a')
4138	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
4139	else
4140	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
4141	\|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
4142	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4143
4144	/*
4145	* Guest or shadow page tables? Get the paging parameters.
4146	*/
4147	bool fGuest = pCmd->pszCmd[3] != 'h';
4148	if (!pCmd->pszCmd[3] \|\| pCmd->pszCmd[3] == 'a')
4149	fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER ? true : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
4150
4151	bool fPAE, fLME, fPSE, fPGE, fNXE;
4152	uint64_t cr3 = fGuest
4153	? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
4154	: dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
4155	const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
4156
4157	/*
4158	* Locate the PTE to start displaying at.
4159	*
4160	* The 'dpta' command takes the address of a PTE, while the others are guest
4161	* virtual address which PTEs should be displayed. So, 'pdta' is rather simple
4162	* while the others require us to do all the tedious walking thru the paging
4163	* hierarchy to find the intended PTE.
4164	*/
4165	unsigned iEntry = ~0U; /* The page table index. ~0U for 'dpta'. */
4166	DBGCVAR VarGCPtr; /* The GC address corresponding to the current PTE (iEntry != ~0U). */
4167	DBGCVAR VarPTEAddr; /* The address of the current PTE. */
4168	unsigned cEntries; /* The number of entries to display. */
4169	unsigned cEntriesMax; /* The max number of entries to display. */
4170	int rc;
4171	if (pCmd->pszCmd[3] == 'a')
4172	{
4173	VarPTEAddr = paArgs[0];
4174	switch (VarPTEAddr.enmRangeType)
4175	{
4176	case DBGCVAR_RANGE_BYTES: cEntries = VarPTEAddr.u64Range / cbEntry; break;
4177	case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPTEAddr.u64Range; break;
4178	default: cEntries = 10; break;
4179	}
4180	cEntriesMax = PAGE_SIZE / cbEntry;
4181	}
4182	else
4183	{
4184	/*
4185	* Determine the range.
4186	*/
4187	switch (paArgs[0].enmRangeType)
4188	{
4189	case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
4190	case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
4191	default: cEntries = 10; break;
4192	}
4193
4194	/*
4195	* Normalize the input address, it must be a flat GC address.
4196	*/
4197	rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
4198	if (RT_FAILURE(rc))
4199	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
4200	if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
4201	{
4202	VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
4203	VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
4204	}
4205	VarGCPtr.u.GCFlat &= ~(RTGCPTR)PAGE_OFFSET_MASK;
4206
4207	/*
4208	* Do the paging walk until we get to the page table.
4209	*/
4210	DBGCVAR VarCur;
4211	if (fGuest)
4212	DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
4213	else
4214	DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
4215	if (fLME)
4216	{
4217	/* Page Map Level 4 Lookup. */
4218	/* Check if it's a valid address first? */
4219	VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
4220	VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
4221	X86PML4E Pml4e;
4222	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
4223	if (RT_FAILURE(rc))
4224	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
4225	if (!Pml4e.n.u1Present)
4226	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
4227
4228	VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
4229	Assert(fPAE);
4230	}
4231	if (fPAE)
4232	{
4233	/* Page directory pointer table. */
4234	X86PDPE Pdpe;
4235	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
4236	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
4237	if (RT_FAILURE(rc))
4238	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
4239	if (!Pdpe.n.u1Present)
4240	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
4241
4242	VarCur.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
4243
4244	/* Page directory (PAE). */
4245	X86PDEPAE Pde;
4246	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK) * sizeof(Pde);
4247	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
4248	if (RT_FAILURE(rc))
4249	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
4250	if (!Pde.n.u1Present)
4251	return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
4252	if (fPSE && Pde.n.u1Size)
4253	return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
4254
4255	iEntry = (VarGCPtr.u.GCFlat >> X86_PT_PAE_SHIFT) & X86_PT_PAE_MASK;
4256	VarPTEAddr = VarCur;
4257	VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PAE_PG_MASK;
4258	VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTEPAE);
4259	}
4260	else
4261	{
4262	/* Page directory (legacy). */
4263	X86PDE Pde;
4264	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK) * sizeof(Pde);
4265	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
4266	if (RT_FAILURE(rc))
4267	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
4268	if (!Pde.n.u1Present)
4269	return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
4270	if (fPSE && Pde.n.u1Size)
4271	return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
4272
4273	iEntry = (VarGCPtr.u.GCFlat >> X86_PT_SHIFT) & X86_PT_MASK;
4274	VarPTEAddr = VarCur;
4275	VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PG_MASK;
4276	VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTE);
4277	}
4278	cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
4279	}
4280
4281	/* adjust cEntries */
4282	cEntries = RT_MAX(1, cEntries);
4283	cEntries = RT_MIN(cEntries, cEntriesMax);
4284
4285	/*
4286	* The display loop.
4287	*/
4288	DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (base %DV / index %#x):\n" : "%DV:\n",
4289	&VarPTEAddr, &VarGCPtr, iEntry);
4290	do
4291	{
4292	/*
4293	* Read.
4294	*/
4295	X86PTEPAE Pte;
4296	Pte.u = 0;
4297	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pte, cbEntry, &VarPTEAddr, NULL);
4298	if (RT_FAILURE(rc))
4299	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PTE memory at %DV.\n", &VarPTEAddr);
4300
4301	/*
4302	* Display.
4303	*/
4304	if (iEntry != ~0U)
4305	{
4306	DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
4307	iEntry++;
4308	}
4309	DBGCCmdHlpPrintf(pCmdHlp,
4310	fPAE
4311	? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
4312	: "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
4313	Pte.u,
4314	Pte.u & X86_PTE_PAE_PG_MASK,
4315	Pte.n.u1Present ? "p " : "np",
4316	Pte.n.u1Write ? "w" : "r",
4317	Pte.n.u1User ? "u" : "s",
4318	Pte.n.u1Accessed ? "a " : "na",
4319	Pte.n.u1Dirty ? "d " : "nd",
4320	Pte.n.u3Available,
4321	Pte.n.u1Global ? (fPGE ? "g" : "G") : " ",
4322	Pte.n.u1WriteThru ? "pwt" : " ",
4323	Pte.n.u1CacheDisable ? "pcd" : " ",
4324	Pte.n.u1PAT ? "pat" : " ",
4325	Pte.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " "
4326	);
4327	if (Pte.u & UINT64_C(0x7fff000000000000))
4328	DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pte.u & UINT64_C(0x7fff000000000000)));
4329	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
4330	if (RT_FAILURE(rc))
4331	return rc;
4332
4333	/*
4334	* Advance.
4335	*/
4336	VarPTEAddr.u.u64Number += cbEntry;
4337	if (iEntry != ~0U)
4338	VarGCPtr.u.GCFlat += PAGE_SIZE;
4339	} while (cEntries-- > 0);
4340
4341	return VINF_SUCCESS;
4342	}
4343
4344
4345	/**
4346	* @callback_method_impl{FNDBGCCMD, The 'dptb' command.}
4347	*/
4348	static DECLCALLBACK(int) dbgcCmdDumpPageTableBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4349	{
4350	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4351	int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dptg %DV", &paArgs[0]);
4352	int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpth %DV", &paArgs[0]);
4353	if (RT_FAILURE(rc1))
4354	return rc1;
4355	NOREF(pCmd); NOREF(cArgs);
4356	return rc2;
4357	}
4358
4359
4360	/**
4361	* @callback_method_impl{FNDBGCCMD, The 'dt' command.}
4362	*/
4363	static DECLCALLBACK(int) dbgcCmdDumpTSS(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4364	{
4365	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4366	int rc;
4367
4368	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4369	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
4370	if (cArgs == 1)
4371	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType != DBGCVAR_TYPE_STRING
4372	&& paArgs[0].enmType != DBGCVAR_TYPE_SYMBOL);
4373
4374	/*
4375	* Check if the command indicates the type.
4376	*/
4377	enum { kTss16, kTss32, kTss64, kTssToBeDetermined } enmTssType = kTssToBeDetermined;
4378	if (!strcmp(pCmd->pszCmd, "dt16"))
4379	enmTssType = kTss16;
4380	else if (!strcmp(pCmd->pszCmd, "dt32"))
4381	enmTssType = kTss32;
4382	else if (!strcmp(pCmd->pszCmd, "dt64"))
4383	enmTssType = kTss64;
4384
4385	/*
4386	* We can get a TSS selector (number), a far pointer using a TSS selector, or some kind of TSS pointer.
4387	*/
4388	uint32_t SelTss = UINT32_MAX;
4389	DBGCVAR VarTssAddr;
4390	if (cArgs == 0)
4391	{
4392	/** @todo consider querying the hidden bits instead (missing API). */
4393	uint16_t SelTR;
4394	rc = DBGFR3RegCpuQueryU16(pUVM, pDbgc->idCpu, DBGFREG_TR, &SelTR);
4395	if (RT_FAILURE(rc))
4396	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to query TR, rc=%Rrc\n", rc);
4397	DBGCVAR_INIT_GC_FAR(&VarTssAddr, SelTR, 0);
4398	SelTss = SelTR;
4399	}
4400	else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
4401	{
4402	if (paArgs[0].u.u64Number < 0xffff)
4403	DBGCVAR_INIT_GC_FAR(&VarTssAddr, (RTSEL)paArgs[0].u.u64Number, 0);
4404	else
4405	{
4406	if (paArgs[0].enmRangeType == DBGCVAR_RANGE_ELEMENTS)
4407	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Element count doesn't combine with a TSS address.\n");
4408	DBGCVAR_INIT_GC_FLAT(&VarTssAddr, paArgs[0].u.u64Number);
4409	if (paArgs[0].enmRangeType == DBGCVAR_RANGE_BYTES)
4410	{
4411	VarTssAddr.enmRangeType = paArgs[0].enmRangeType;
4412	VarTssAddr.u64Range = paArgs[0].u64Range;
4413	}
4414	}
4415	}
4416	else
4417	VarTssAddr = paArgs[0];
4418
4419	/*
4420	* Deal with TSS:ign by means of the GDT.
4421	*/
4422	if (VarTssAddr.enmType == DBGCVAR_TYPE_GC_FAR)
4423	{
4424	SelTss = VarTssAddr.u.GCFar.sel;
4425	DBGFSELINFO SelInfo;
4426	rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, VarTssAddr.u.GCFar.sel, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
4427	if (RT_FAILURE(rc))
4428	return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3SelQueryInfo(,%u,%d,,) -> %Rrc.\n",
4429	pDbgc->idCpu, VarTssAddr.u.GCFar.sel, rc);
4430
4431	if (SelInfo.u.Raw.Gen.u1DescType)
4432	return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (!sys)\n", VarTssAddr.u.GCFar.sel);
4433
4434	switch (SelInfo.u.Raw.Gen.u4Type)
4435	{
4436	case X86_SEL_TYPE_SYS_286_TSS_BUSY:
4437	case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
4438	if (enmTssType == kTssToBeDetermined)
4439	enmTssType = kTss16;
4440	break;
4441
4442	case X86_SEL_TYPE_SYS_386_TSS_BUSY: /* AMD64 too */
4443	case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
4444	if (enmTssType == kTssToBeDetermined)
4445	enmTssType = SelInfo.fFlags & DBGFSELINFO_FLAGS_LONG_MODE ? kTss64 : kTss32;
4446	break;
4447
4448	default:
4449	return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (type=%x)\n",
4450	VarTssAddr.u.GCFar.sel, SelInfo.u.Raw.Gen.u4Type);
4451	}
4452
4453	DBGCVAR_INIT_GC_FLAT(&VarTssAddr, SelInfo.GCPtrBase);
4454	DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, RT_MAX(SelInfo.cbLimit + 1, SelInfo.cbLimit));
4455	}
4456
4457	/*
4458	* Determine the TSS type if none is currently given.
4459	*/
4460	if (enmTssType == kTssToBeDetermined)
4461	{
4462	if ( VarTssAddr.u64Range > 0
4463	&& VarTssAddr.u64Range < sizeof(X86TSS32) - 4)
4464	enmTssType = kTss16;
4465	else
4466	{
4467	uint64_t uEfer;
4468	rc = DBGFR3RegCpuQueryU64(pUVM, pDbgc->idCpu, DBGFREG_MSR_K6_EFER, &uEfer);
4469	if ( RT_FAILURE(rc)
4470	\|\| !(uEfer & MSR_K6_EFER_LMA) )
4471	enmTssType = kTss32;
4472	else
4473	enmTssType = kTss64;
4474	}
4475	}
4476
4477	/*
4478	* Figure the min/max sizes.
4479	* ASSUMES max TSS size is 64 KB.
4480	*/
4481	uint32_t cbTssMin;
4482	uint32_t cbTssMax;
4483	switch (enmTssType)
4484	{
4485	case kTss16:
4486	cbTssMin = cbTssMax = X86_SEL_TYPE_SYS_286_TSS_LIMIT_MIN + 1;
4487	break;
4488	case kTss32:
4489	cbTssMin = X86_SEL_TYPE_SYS_386_TSS_LIMIT_MIN + 1;
4490	cbTssMax = _64K;
4491	break;
4492	case kTss64:
4493	cbTssMin = X86_SEL_TYPE_SYS_386_TSS_LIMIT_MIN + 1;
4494	cbTssMax = _64K;
4495	break;
4496	default:
4497	AssertFailedReturn(VERR_INTERNAL_ERROR);
4498	}
4499	uint32_t cbTss = VarTssAddr.enmRangeType == DBGCVAR_RANGE_BYTES ? (uint32_t)VarTssAddr.u64Range : 0;
4500	if (cbTss == 0)
4501	cbTss = cbTssMin;
4502	else if (cbTss < cbTssMin)
4503	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Minimum TSS size is %u bytes, you specified %llu (%llx) bytes.\n",
4504	cbTssMin, VarTssAddr.u64Range, VarTssAddr.u64Range);
4505	else if (cbTss > cbTssMax)
4506	cbTss = cbTssMax;
4507	DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, cbTss);
4508
4509	/*
4510	* Read the TSS into a temporary buffer.
4511	*/
4512	uint8_t abBuf[_64K];
4513	size_t cbTssRead;
4514	rc = DBGCCmdHlpMemRead(pCmdHlp, abBuf, cbTss, &VarTssAddr, &cbTssRead);
4515	if (RT_FAILURE(rc))
4516	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read TSS at %Dv: %Rrc\n", &VarTssAddr, rc);
4517	if (cbTssRead < cbTssMin)
4518	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read essential parts of the TSS (read %zu, min %zu).\n",
4519	cbTssRead, cbTssMin);
4520	if (cbTssRead < cbTss)
4521	memset(&abBuf[cbTssRead], 0xff, cbTss - cbTssRead);
4522
4523
4524	/*
4525	* Format the TSS.
4526	*/
4527	uint16_t offIoBitmap;
4528	switch (enmTssType)
4529	{
4530	case kTss16:
4531	{
4532	PCX86TSS16 pTss = (PCX86TSS16)&abBuf[0];
4533	if (SelTss != UINT32_MAX)
4534	DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS16 at %Dv\n", SelTss, &VarTssAddr);
4535	else
4536	DBGCCmdHlpPrintf(pCmdHlp, "TSS16 at %Dv\n", &VarTssAddr);
4537	DBGCCmdHlpPrintf(pCmdHlp,
4538	"ax=%04x bx=%04x cx=%04x dx=%04x si=%04x di=%04x\n"
4539	"ip=%04x sp=%04x bp=%04x\n"
4540	"cs=%04x ss=%04x ds=%04x es=%04x flags=%04x\n"
4541	"ss:sp0=%04x:%04x ss:sp1=%04x:%04x ss:sp2=%04x:%04x\n"
4542	"prev=%04x ldtr=%04x\n"
4543	,
4544	pTss->ax, pTss->bx, pTss->cx, pTss->dx, pTss->si, pTss->di,
4545	pTss->ip, pTss->sp, pTss->bp,
4546	pTss->cs, pTss->ss, pTss->ds, pTss->es, pTss->flags,
4547	pTss->ss0, pTss->sp0, pTss->ss1, pTss->sp1, pTss->ss2, pTss->sp2,
4548	pTss->selPrev, pTss->selLdt);
4549	if (pTss->cs != 0)
4550	pCmdHlp->pfnExec(pCmdHlp, "u %04x:%04x L 0", pTss->cs, pTss->ip);
4551	offIoBitmap = 0;
4552	break;
4553	}
4554
4555	case kTss32:
4556	{
4557	PCX86TSS32 pTss = (PCX86TSS32)&abBuf[0];
4558	if (SelTss != UINT32_MAX)
4559	DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS32 at %Dv (min=%04x)\n", SelTss, &VarTssAddr, cbTssMin);
4560	else
4561	DBGCCmdHlpPrintf(pCmdHlp, "TSS32 at %Dv (min=%04x)\n", &VarTssAddr, cbTssMin);
4562	DBGCCmdHlpPrintf(pCmdHlp,
4563	"eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x\n"
4564	"eip=%08x esp=%08x ebp=%08x\n"
4565	"cs=%04x ss=%04x ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n"
4566	"ss:esp0=%04x:%08x ss:esp1=%04x:%08x ss:esp2=%04x:%08x\n"
4567	"prev=%04x ldtr=%04x cr3=%08x debug=%u iomap=%04x\n"
4568	,
4569	pTss->eax, pTss->ebx, pTss->ecx, pTss->edx, pTss->esi, pTss->edi,
4570	pTss->eip, pTss->esp, pTss->ebp,
4571	pTss->cs, pTss->ss, pTss->ds, pTss->es, pTss->fs, pTss->gs, pTss->eflags,
4572	pTss->ss0, pTss->esp0, pTss->ss1, pTss->esp1, pTss->ss2, pTss->esp2,
4573	pTss->selPrev, pTss->selLdt, pTss->cr3, pTss->fDebugTrap, pTss->offIoBitmap);
4574	if (pTss->cs != 0)
4575	pCmdHlp->pfnExec(pCmdHlp, "u %04x:%08x L 0", pTss->cs, pTss->eip);
4576	offIoBitmap = pTss->offIoBitmap;
4577	break;
4578	}
4579
4580	case kTss64:
4581	{
4582	PCX86TSS64 pTss = (PCX86TSS64)&abBuf[0];
4583	if (SelTss != UINT32_MAX)
4584	DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS64 at %Dv (min=%04x)\n", SelTss, &VarTssAddr, cbTssMin);
4585	else
4586	DBGCCmdHlpPrintf(pCmdHlp, "TSS64 at %Dv (min=%04x)\n", &VarTssAddr, cbTssMin);
4587	DBGCCmdHlpPrintf(pCmdHlp,
4588	"rsp0=%016RX64 rsp1=%016RX64 rsp2=%016RX64\n"
4589	"ist1=%016RX64 ist2=%016RX64\n"
4590	"ist3=%016RX64 ist4=%016RX64\n"
4591	"ist5=%016RX64 ist6=%016RX64\n"
4592	"ist7=%016RX64 iomap=%04x\n"
4593	,
4594	pTss->rsp0, pTss->rsp1, pTss->rsp2,
4595	pTss->ist1, pTss->ist2,
4596	pTss->ist3, pTss->ist4,
4597	pTss->ist5, pTss->ist6,
4598	pTss->ist7, pTss->offIoBitmap);
4599	offIoBitmap = pTss->offIoBitmap;
4600	break;
4601	}
4602
4603	default:
4604	AssertFailedReturn(VERR_INTERNAL_ERROR);
4605	}
4606
4607	/*
4608	* Dump the interrupt redirection bitmap.
4609	*/
4610	if (enmTssType != kTss16)
4611	{
4612	if ( offIoBitmap > cbTssMin
4613	&& offIoBitmap < cbTss) /** @todo check exactly what the edge cases are here. */
4614	{
4615	if (offIoBitmap - cbTssMin >= 32)
4616	{
4617	DBGCCmdHlpPrintf(pCmdHlp, "Interrupt redirection:\n");
4618	uint8_t const *pbIntRedirBitmap = &abBuf[offIoBitmap - 32];
4619	uint32_t iStart = 0;
4620	bool fPrev = ASMBitTest(pbIntRedirBitmap, 0); /* LE/BE issue */
4621	for (uint32_t i = 0; i < 256; i++)
4622	{
4623	bool fThis = ASMBitTest(pbIntRedirBitmap, i);
4624	if (fThis != fPrev)
4625	{
4626	DBGCCmdHlpPrintf(pCmdHlp, "%02x-%02x %s\n", iStart, i - 1, fPrev ? "Protected mode" : "Redirected");
4627	fPrev = fThis;
4628	iStart = i;
4629	}
4630	}
4631	DBGCCmdHlpPrintf(pCmdHlp, "%02x-%02x %s\n", iStart, 255, fPrev ? "Protected mode" : "Redirected");
4632	}
4633	else
4634	DBGCCmdHlpPrintf(pCmdHlp, "Invalid interrupt redirection bitmap size: %u (%#x), expected 32 bytes.\n",
4635	offIoBitmap - cbTssMin, offIoBitmap - cbTssMin);
4636	}
4637	else if (offIoBitmap > 0)
4638	DBGCCmdHlpPrintf(pCmdHlp, "No interrupt redirection bitmap (-%#x)\n", cbTssMin - offIoBitmap);
4639	else
4640	DBGCCmdHlpPrintf(pCmdHlp, "No interrupt redirection bitmap\n");
4641	}
4642
4643	/*
4644	* Dump the I/O permission bitmap if present. The IOPM cannot start below offset 0x68
4645	* (that applies to both 32-bit and 64-bit TSSs since their size is the same).
4646	* Note that there is always one padding byte that is not technically part of the bitmap
4647	* and "must have all bits set". It's not clear what happens when it doesn't. All ports
4648	* not covered by the bitmap are considered to be not accessible.
4649	*/
4650	if (enmTssType != kTss16)
4651	{
4652	if (offIoBitmap < cbTss && offIoBitmap >= 0x68)
4653	{
4654	uint32_t cPorts = RT_MIN((cbTss - offIoBitmap) * 8, _64K);
4655	DBGCVAR VarAddr;
4656	DBGCCmdHlpEval(pCmdHlp, &VarAddr, "%DV + %#x", &VarTssAddr, offIoBitmap);
4657	DBGCCmdHlpPrintf(pCmdHlp, "I/O bitmap at %DV - %#x ports:\n", &VarAddr, cPorts);
4658
4659	uint8_t const *pbIoBitmap = &abBuf[offIoBitmap];
4660	uint32_t iStart = 0;
4661	bool fPrev = ASMBitTest(pbIoBitmap, 0);
4662	uint32_t cLine = 0;
4663	for (uint32_t i = 1; i < _64K; i++)
4664	{
4665	bool fThis = i < cPorts ? ASMBitTest(pbIoBitmap, i) : true;
4666	if (fThis != fPrev)
4667	{
4668	cLine++;
4669	DBGCCmdHlpPrintf(pCmdHlp, "%04x-%04x %s%s", iStart, i-1,
4670	fPrev ? "GP" : "OK", (cLine % 6) == 0 ? "\n" : " ");
4671	fPrev = fThis;
4672	iStart = i;
4673	}
4674	}
4675	DBGCCmdHlpPrintf(pCmdHlp, "%04x-%04x %s\n", iStart, _64K-1, fPrev ? "GP" : "OK");
4676	}
4677	else if (offIoBitmap > 0)
4678	DBGCCmdHlpPrintf(pCmdHlp, "No I/O bitmap (-%#x)\n", cbTssMin - offIoBitmap);
4679	else
4680	DBGCCmdHlpPrintf(pCmdHlp, "No I/O bitmap\n");
4681	}
4682
4683	return VINF_SUCCESS;
4684	}
4685
4686
4687	/**
4688	* @callback_method_impl{FNDBGFR3TYPEDUMP, The 'dti' command dumper callback.}
4689	*/
4690	static DECLCALLBACK(int) dbgcCmdDumpTypeInfoCallback(uint32_t off, const char *pszField, uint32_t iLvl,
4691	const char *pszType, uint32_t fTypeFlags,
4692	uint32_t cElements, void *pvUser)
4693	{
4694	PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
4695
4696	/* Pad with spaces to match the level. */
4697	for (uint32_t i = 0; i < iLvl; i++)
4698	DBGCCmdHlpPrintf(pCmdHlp, " ");
4699
4700	size_t cbWritten = 0;
4701	DBGCCmdHlpPrintfEx(pCmdHlp, &cbWritten, "+0x%04x %s", off, pszField);
4702	while (cbWritten < 32)
4703	{
4704	/* Fill with spaces to get proper aligning. */
4705	DBGCCmdHlpPrintf(pCmdHlp, " ");
4706	cbWritten++;
4707	}
4708
4709	DBGCCmdHlpPrintf(pCmdHlp, ": ");
4710	if (fTypeFlags & DBGFTYPEREGMEMBER_F_ARRAY)
4711	DBGCCmdHlpPrintf(pCmdHlp, "[%u] ", cElements);
4712	if (fTypeFlags & DBGFTYPEREGMEMBER_F_POINTER)
4713	DBGCCmdHlpPrintf(pCmdHlp, "Ptr ");
4714	DBGCCmdHlpPrintf(pCmdHlp, "%s\n", pszType);
4715
4716	return VINF_SUCCESS;
4717	}
4718
4719
4720	/**
4721	* @callback_method_impl{FNDBGCCMD, The 'dti' command.}
4722	*/
4723	static DECLCALLBACK(int) dbgcCmdDumpTypeInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4724	{
4725	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4726	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 \|\| cArgs == 2);
4727	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING);
4728	if (cArgs == 2)
4729	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[1].enmType == DBGCVAR_TYPE_NUMBER);
4730
4731	uint32_t cLvlMax = cArgs == 2 ? (uint32_t)paArgs[1].u.u64Number : UINT32_MAX;
4732	return DBGFR3TypeDumpEx(pUVM, paArgs[0].u.pszString, 0 /* fFlags */, cLvlMax,
4733	dbgcCmdDumpTypeInfoCallback, pCmdHlp);
4734	}
4735
4736
4737	static void dbgcCmdDumpTypedValCallbackBuiltin(PDBGCCMDHLP pCmdHlp, DBGFTYPEBUILTIN enmType, size_t cbType,
4738	PDBGFTYPEVALBUF pValBuf)
4739	{
4740	switch (enmType)
4741	{
4742	case DBGFTYPEBUILTIN_UINT8:
4743	DBGCCmdHlpPrintf(pCmdHlp, "%RU8", pValBuf->u8);
4744	break;
4745	case DBGFTYPEBUILTIN_INT8:
4746	DBGCCmdHlpPrintf(pCmdHlp, "%RI8", pValBuf->i8);
4747	break;
4748	case DBGFTYPEBUILTIN_UINT16:
4749	DBGCCmdHlpPrintf(pCmdHlp, "%RU16", pValBuf->u16);
4750	break;
4751	case DBGFTYPEBUILTIN_INT16:
4752	DBGCCmdHlpPrintf(pCmdHlp, "%RI16", pValBuf->i16);
4753	break;
4754	case DBGFTYPEBUILTIN_UINT32:
4755	DBGCCmdHlpPrintf(pCmdHlp, "%RU32", pValBuf->u32);
4756	break;
4757	case DBGFTYPEBUILTIN_INT32:
4758	DBGCCmdHlpPrintf(pCmdHlp, "%RI32", pValBuf->i32);
4759	break;
4760	case DBGFTYPEBUILTIN_UINT64:
4761	DBGCCmdHlpPrintf(pCmdHlp, "%RU64", pValBuf->u64);
4762	break;
4763	case DBGFTYPEBUILTIN_INT64:
4764	DBGCCmdHlpPrintf(pCmdHlp, "%RI64", pValBuf->i64);
4765	break;
4766	case DBGFTYPEBUILTIN_PTR32:
4767	DBGCCmdHlpPrintf(pCmdHlp, "%RX32", pValBuf->GCPtr);
4768	break;
4769	case DBGFTYPEBUILTIN_PTR64:
4770	DBGCCmdHlpPrintf(pCmdHlp, "%RX64", pValBuf->GCPtr);
4771	break;
4772	case DBGFTYPEBUILTIN_PTR:
4773	if (cbType == sizeof(uint32_t))
4774	DBGCCmdHlpPrintf(pCmdHlp, "%RX32", pValBuf->GCPtr);
4775	else if (cbType == sizeof(uint64_t))
4776	DBGCCmdHlpPrintf(pCmdHlp, "%RX64", pValBuf->GCPtr);
4777	else
4778	DBGCCmdHlpPrintf(pCmdHlp, "<Unsupported pointer width %u>", cbType);
4779	break;
4780	case DBGFTYPEBUILTIN_SIZE:
4781	if (cbType == sizeof(uint32_t))
4782	DBGCCmdHlpPrintf(pCmdHlp, "%RU32", pValBuf->size);
4783	else if (cbType == sizeof(uint64_t))
4784	DBGCCmdHlpPrintf(pCmdHlp, "%RU64", pValBuf->size);
4785	else
4786	DBGCCmdHlpPrintf(pCmdHlp, "<Unsupported size width %u>", cbType);
4787	break;
4788	case DBGFTYPEBUILTIN_FLOAT32:
4789	case DBGFTYPEBUILTIN_FLOAT64:
4790	case DBGFTYPEBUILTIN_COMPOUND:
4791	default:
4792	AssertMsgFailed(("Invalid built-in type: %d\n", enmType));
4793	}
4794	}
4795
4796	/**
4797	* @callback_method_impl{FNDBGFR3TYPEDUMP, The 'dtv' command dumper callback.}
4798	*/
4799	static DECLCALLBACK(int) dbgcCmdDumpTypedValCallback(uint32_t off, const char *pszField, uint32_t iLvl,
4800	DBGFTYPEBUILTIN enmType, size_t cbType,
4801	PDBGFTYPEVALBUF pValBuf, uint32_t cValBufs,
4802	void *pvUser)
4803	{
4804	PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
4805
4806	/* Pad with spaces to match the level. */
4807	for (uint32_t i = 0; i < iLvl; i++)
4808	DBGCCmdHlpPrintf(pCmdHlp, " ");
4809
4810	size_t cbWritten = 0;
4811	DBGCCmdHlpPrintfEx(pCmdHlp, &cbWritten, "+0x%04x %s", off, pszField);
4812	while (cbWritten < 32)
4813	{
4814	/* Fill with spaces to get proper aligning. */
4815	DBGCCmdHlpPrintf(pCmdHlp, " ");
4816	cbWritten++;
4817	}
4818
4819	DBGCCmdHlpPrintf(pCmdHlp, ": ");
4820	if (cValBufs > 1)
4821	DBGCCmdHlpPrintf(pCmdHlp, "[%u] [ ", cValBufs);
4822
4823	for (uint32_t i = 0; i < cValBufs; i++)
4824	{
4825	dbgcCmdDumpTypedValCallbackBuiltin(pCmdHlp, enmType, cbType, pValBuf);
4826	if (i < cValBufs - 1)
4827	DBGCCmdHlpPrintf(pCmdHlp, " , ");
4828	pValBuf++;
4829	}
4830
4831	if (cValBufs > 1)
4832	DBGCCmdHlpPrintf(pCmdHlp, " ]");
4833	DBGCCmdHlpPrintf(pCmdHlp, "\n");
4834
4835	return VINF_SUCCESS;
4836	}
4837
4838
4839	/**
4840	* @callback_method_impl{FNDBGCCMD, The 'dtv' command.}
4841	*/
4842	static DECLCALLBACK(int) dbgcCmdDumpTypedVal(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4843	{
4844	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4845	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 2 \|\| cArgs == 3);
4846	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING);
4847	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISGCPOINTER(paArgs[1].enmType));
4848	if (cArgs == 3)
4849	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[2].enmType == DBGCVAR_TYPE_NUMBER);
4850
4851	/*
4852	* Make DBGF address and fix the range.
4853	*/
4854	DBGFADDRESS Address;
4855	int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[1], &Address);
4856	if (RT_FAILURE(rc))
4857	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[1]);
4858
4859	uint32_t cLvlMax = cArgs == 3 ? (uint32_t)paArgs[2].u.u64Number : UINT32_MAX;
4860	return DBGFR3TypeValDumpEx(pUVM, &Address, paArgs[0].u.pszString, 0 /* fFlags */, cLvlMax,
4861	dbgcCmdDumpTypedValCallback, pCmdHlp);
4862	}
4863
4864	/**
4865	* @callback_method_impl{FNDBGCCMD, The 'm' command.}
4866	*/
4867	static DECLCALLBACK(int) dbgcCmdMemoryInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4868	{
4869	DBGCCmdHlpPrintf(pCmdHlp, "Address: %DV\n", &paArgs[0]);
4870	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4871	return dbgcCmdDumpPageHierarchy(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
4872	}
4873
4874
4875	/**
4876	* Converts one or more variables into a byte buffer for a
4877	* given unit size.
4878	*
4879	* @returns VBox status codes:
4880	* @retval VERR_TOO_MUCH_DATA if the buffer is too small, bitched.
4881	* @retval VERR_INTERNAL_ERROR on bad variable type, bitched.
4882	* @retval VINF_SUCCESS on success.
4883	*
4884	* @param pCmdHlp The command helper callback table.
4885	* @param pvBuf The buffer to convert into.
4886	* @param pcbBuf The buffer size on input. The size of the result on output.
4887	* @param cbUnit The unit size to apply when converting.
4888	* The high bit is used to indicate unicode string.
4889	* @param paVars The array of variables to convert.
4890	* @param cVars The number of variables.
4891	*/
4892	int dbgcVarsToBytes(PDBGCCMDHLP pCmdHlp, void pvBuf, uint32_t pcbBuf, size_t cbUnit, PCDBGCVAR paVars, unsigned cVars)
4893	{
4894	union
4895	{
4896	uint8_t *pu8;
4897	uint16_t *pu16;
4898	uint32_t *pu32;
4899	uint64_t *pu64;
4900	} u, uEnd;
4901	u.pu8 = (uint8_t *)pvBuf;
4902	uEnd.pu8 = u.pu8 + *pcbBuf;
4903
4904	unsigned i;
4905	for (i = 0; i < cVars && u.pu8 < uEnd.pu8; i++)
4906	{
4907	switch (paVars[i].enmType)
4908	{
4909	case DBGCVAR_TYPE_GC_FAR:
4910	case DBGCVAR_TYPE_GC_FLAT:
4911	case DBGCVAR_TYPE_GC_PHYS:
4912	case DBGCVAR_TYPE_HC_FLAT:
4913	case DBGCVAR_TYPE_HC_PHYS:
4914	case DBGCVAR_TYPE_NUMBER:
4915	{
4916	uint64_t u64 = paVars[i].u.u64Number;
4917	switch (cbUnit & 0x1f)
4918	{
4919	case 1:
4920	do
4921	{
4922	*u.pu8++ = u64;
4923	u64 >>= 8;
4924	} while (u64);
4925	break;
4926	case 2:
4927	do
4928	{
4929	*u.pu16++ = u64;
4930	u64 >>= 16;
4931	} while (u64);
4932	break;
4933	case 4:
4934	*u.pu32++ = u64;
4935	u64 >>= 32;
4936	if (u64)
4937	*u.pu32++ = u64;
4938	break;
4939	case 8:
4940	*u.pu64++ = u64;
4941	break;
4942	}
4943	break;
4944	}
4945
4946	case DBGCVAR_TYPE_STRING:
4947	case DBGCVAR_TYPE_SYMBOL:
4948	{
4949	const char *psz = paVars[i].u.pszString;
4950	size_t cbString = strlen(psz);
4951	if (cbUnit & RT_BIT_32(31))
4952	{
4953	/* Explode char to unit. */
4954	if (cbString > (uintptr_t)(uEnd.pu8 - u.pu8) * (cbUnit & 0x1f))
4955	{
4956	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
4957	return VERR_TOO_MUCH_DATA;
4958	}
4959	while (*psz)
4960	{
4961	switch (cbUnit & 0x1f)
4962	{
4963	case 1: u.pu8++ = psz; break;
4964	case 2: u.pu16++ = psz; break;
4965	case 4: u.pu32++ = psz; break;
4966	case 8: u.pu64++ = psz; break;
4967	}
4968	psz++;
4969	}
4970	}
4971	else
4972	{
4973	/* Raw copy with zero padding if the size isn't aligned. */
4974	if (cbString > (uintptr_t)(uEnd.pu8 - u.pu8))
4975	{
4976	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
4977	return VERR_TOO_MUCH_DATA;
4978	}
4979
4980	size_t cbCopy = cbString & ~(cbUnit - 1);
4981	memcpy(u.pu8, psz, cbCopy);
4982	u.pu8 += cbCopy;
4983	psz += cbCopy;
4984
4985	size_t cbReminder = cbString & (cbUnit - 1);
4986	if (cbReminder)
4987	{
4988	memcpy(u.pu8, psz, cbString & (cbUnit - 1));
4989	memset(u.pu8 + cbReminder, 0, cbUnit - cbReminder);
4990	u.pu8 += cbUnit;
4991	}
4992	}
4993	break;
4994	}
4995
4996	default:
4997	pcbBuf = u.pu8 - (uint8_t )pvBuf;
4998	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_INTERNAL_ERROR,
4999	"i=%d enmType=%d\n", i, paVars[i].enmType);
5000	return VERR_INTERNAL_ERROR;
5001	}
5002	}
5003	pcbBuf = u.pu8 - (uint8_t )pvBuf;
5004	if (i != cVars)
5005	{
5006	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
5007	return VERR_TOO_MUCH_DATA;
5008	}
5009	return VINF_SUCCESS;
5010	}
5011
5012
5013	/**
5014	* @callback_method_impl{FNDBGCCMD, The 'eb'\, 'ew'\, 'ed' and 'eq' commands.}
5015	*/
5016	static DECLCALLBACK(int) dbgcCmdEditMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5017	{
5018	/*
5019	* Validate input.
5020	*/
5021	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs >= 2);
5022	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
5023	for (unsigned iArg = 1; iArg < cArgs; iArg++)
5024	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER);
5025	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
5026
5027	/*
5028	* Figure out the element size.
5029	*/
5030	unsigned cbElement;
5031	switch (pCmd->pszCmd[1])
5032	{
5033	default:
5034	case 'b': cbElement = 1; break;
5035	case 'w': cbElement = 2; break;
5036	case 'd': cbElement = 4; break;
5037	case 'q': cbElement = 8; break;
5038	}
5039
5040	/*
5041	* Do setting.
5042	*/
5043	DBGCVAR Addr = paArgs[0];
5044	for (unsigned iArg = 1;;)
5045	{
5046	size_t cbWritten;
5047	int rc = pCmdHlp->pfnMemWrite(pCmdHlp, &paArgs[iArg].u, cbElement, &Addr, &cbWritten);
5048	if (RT_FAILURE(rc))
5049	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Writing memory at %DV.\n", &Addr);
5050	if (cbWritten != cbElement)
5051	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Only wrote %u out of %u bytes!\n", cbWritten, cbElement);
5052
5053	/* advance. */
5054	iArg++;
5055	if (iArg >= cArgs)
5056	break;
5057	rc = DBGCCmdHlpEval(pCmdHlp, &Addr, "%Dv + %#x", &Addr, cbElement);
5058	if (RT_FAILURE(rc))
5059	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
5060	}
5061
5062	return VINF_SUCCESS;
5063	}
5064
5065
5066	/**
5067	* Executes the search.
5068	*
5069	* @returns VBox status code.
5070	* @param pCmdHlp The command helpers.
5071	* @param pUVM The user mode VM handle.
5072	* @param pAddress The address to start searching from. (undefined on output)
5073	* @param cbRange The address range to search. Must not wrap.
5074	* @param pabBytes The byte pattern to search for.
5075	* @param cbBytes The size of the pattern.
5076	* @param cbUnit The search unit.
5077	* @param cMaxHits The max number of hits.
5078	* @param pResult Where to store the result if it's a function invocation.
5079	*/
5080	static int dbgcCmdWorkerSearchMemDoIt(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGFADDRESS pAddress, RTGCUINTPTR cbRange,
5081	const uint8_t *pabBytes, uint32_t cbBytes,
5082	uint32_t cbUnit, uint64_t cMaxHits, PDBGCVAR pResult)
5083	{
5084	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5085
5086	/*
5087	* Do the search.
5088	*/
5089	uint64_t cHits = 0;
5090	for (;;)
5091	{
5092	/* search */
5093	DBGFADDRESS HitAddress;
5094	int rc = DBGFR3MemScan(pUVM, pDbgc->idCpu, pAddress, cbRange, 1, pabBytes, cbBytes, &HitAddress);
5095	if (RT_FAILURE(rc))
5096	{
5097	if (rc != VERR_DBGF_MEM_NOT_FOUND)
5098	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3MemScan\n");
5099
5100	/* update the current address so we can save it (later). */
5101	pAddress->off += cbRange;
5102	pAddress->FlatPtr += cbRange;
5103	cbRange = 0;
5104	break;
5105	}
5106
5107	/* report result */
5108	DBGCVAR VarCur;
5109	rc = DBGCCmdHlpVarFromDbgfAddr(pCmdHlp, &HitAddress, &VarCur);
5110	if (RT_FAILURE(rc))
5111	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGCCmdHlpVarFromDbgfAddr\n");
5112	if (!pResult)
5113	pCmdHlp->pfnExec(pCmdHlp, "db %DV LB 10", &VarCur);
5114	else
5115	DBGCVAR_ASSIGN(pResult, &VarCur);
5116
5117	/* advance */
5118	cbRange -= HitAddress.FlatPtr - pAddress->FlatPtr;
5119	*pAddress = HitAddress;
5120	pAddress->FlatPtr += cbBytes;
5121	pAddress->off += cbBytes;
5122	if (cbRange <= cbBytes)
5123	{
5124	cbRange = 0;
5125	break;
5126	}
5127	cbRange -= cbBytes;
5128
5129	if (++cHits >= cMaxHits)
5130	{
5131	/// @todo save the search.
5132	break;
5133	}
5134	}
5135
5136	/*
5137	* Save the search so we can resume it...
5138	*/
5139	if (pDbgc->abSearch != pabBytes)
5140	{
5141	memcpy(pDbgc->abSearch, pabBytes, cbBytes);
5142	pDbgc->cbSearch = cbBytes;
5143	pDbgc->cbSearchUnit = cbUnit;
5144	}
5145	pDbgc->cMaxSearchHits = cMaxHits;
5146	pDbgc->SearchAddr = *pAddress;
5147	pDbgc->cbSearchRange = cbRange;
5148
5149	return cHits ? VINF_SUCCESS : VERR_DBGC_COMMAND_FAILED;
5150	}
5151
5152
5153	/**
5154	* Resumes the previous search.
5155	*
5156	* @returns VBox status code.
5157	* @param pCmdHlp Pointer to the command helper functions.
5158	* @param pUVM The user mode VM handle.
5159	* @param pResult Where to store the result of a function invocation.
5160	*/
5161	static int dbgcCmdWorkerSearchMemResume(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGCVAR pResult)
5162	{
5163	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5164
5165	/*
5166	* Make sure there is a previous command.
5167	*/
5168	if (!pDbgc->cbSearch)
5169	{
5170	DBGCCmdHlpPrintf(pCmdHlp, "Error: No previous search\n");
5171	return VERR_DBGC_COMMAND_FAILED;
5172	}
5173
5174	/*
5175	* Make range and address adjustments.
5176	*/
5177	DBGFADDRESS Address = pDbgc->SearchAddr;
5178	if (Address.FlatPtr == ~(RTGCUINTPTR)0)
5179	{
5180	Address.FlatPtr -= Address.off;
5181	Address.off = 0;
5182	}
5183
5184	RTGCUINTPTR cbRange = pDbgc->cbSearchRange;
5185	if (!cbRange)
5186	cbRange = ~(RTGCUINTPTR)0;
5187	if (Address.FlatPtr + cbRange < pDbgc->SearchAddr.FlatPtr)
5188	cbRange = ~(RTGCUINTPTR)0 - pDbgc->SearchAddr.FlatPtr + !!pDbgc->SearchAddr.FlatPtr;
5189
5190	return dbgcCmdWorkerSearchMemDoIt(pCmdHlp, pUVM, &Address, cbRange, pDbgc->abSearch, pDbgc->cbSearch,
5191	pDbgc->cbSearchUnit, pDbgc->cMaxSearchHits, pResult);
5192	}
5193
5194
5195	/**
5196	* Search memory, worker for the 's' and 's?' functions.
5197	*
5198	* @returns VBox status code.
5199	* @param pCmdHlp Pointer to the command helper functions.
5200	* @param pUVM The user mode VM handle.
5201	* @param pAddress Where to start searching. If no range, search till end of address space.
5202	* @param cMaxHits The maximum number of hits.
5203	* @param chType The search type.
5204	* @param paPatArgs The pattern variable array.
5205	* @param cPatArgs Number of pattern variables.
5206	* @param pResult Where to store the result of a function invocation.
5207	*/
5208	static int dbgcCmdWorkerSearchMem(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR pAddress, uint64_t cMaxHits, char chType,
5209	PCDBGCVAR paPatArgs, unsigned cPatArgs, PDBGCVAR pResult)
5210	{
5211	if (pResult)
5212	DBGCVAR_INIT_GC_FLAT(pResult, 0);
5213
5214	/*
5215	* Convert the search pattern into bytes and DBGFR3MemScan can deal with.
5216	*/
5217	uint32_t cbUnit;
5218	switch (chType)
5219	{
5220	case 'a':
5221	case 'b': cbUnit = 1; break;
5222	case 'u': cbUnit = 2 \| RT_BIT_32(31); break;
5223	case 'w': cbUnit = 2; break;
5224	case 'd': cbUnit = 4; break;
5225	case 'q': cbUnit = 8; break;
5226	default:
5227	return pCmdHlp->pfnVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "chType=%c\n", chType);
5228	}
5229	uint8_t abBytes[RT_SIZEOFMEMB(DBGC, abSearch)];
5230	uint32_t cbBytes = sizeof(abBytes);
5231	int rc = dbgcVarsToBytes(pCmdHlp, abBytes, &cbBytes, cbUnit, paPatArgs, cPatArgs);
5232	if (RT_FAILURE(rc))
5233	return VERR_DBGC_COMMAND_FAILED;
5234
5235	/*
5236	* Make DBGF address and fix the range.
5237	*/
5238	DBGFADDRESS Address;
5239	rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, pAddress, &Address);
5240	if (RT_FAILURE(rc))
5241	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", pAddress);
5242
5243	RTGCUINTPTR cbRange;
5244	switch (pAddress->enmRangeType)
5245	{
5246	case DBGCVAR_RANGE_BYTES:
5247	cbRange = pAddress->u64Range;
5248	if (cbRange != pAddress->u64Range)
5249	cbRange = ~(RTGCUINTPTR)0;
5250	break;
5251
5252	case DBGCVAR_RANGE_ELEMENTS:
5253	cbRange = (RTGCUINTPTR)(pAddress->u64Range * cbUnit);
5254	if ( cbRange != pAddress->u64Range * cbUnit
5255	\|\| cbRange < pAddress->u64Range)
5256	cbRange = ~(RTGCUINTPTR)0;
5257	break;
5258
5259	default:
5260	cbRange = ~(RTGCUINTPTR)0;
5261	break;
5262	}
5263	if (Address.FlatPtr + cbRange < Address.FlatPtr)
5264	cbRange = ~(RTGCUINTPTR)0 - Address.FlatPtr + !!Address.FlatPtr;
5265
5266	/*
5267	* Ok, do it.
5268	*/
5269	return dbgcCmdWorkerSearchMemDoIt(pCmdHlp, pUVM, &Address, cbRange, abBytes, cbBytes, cbUnit, cMaxHits, pResult);
5270	}
5271
5272
5273	/**
5274	* @callback_method_impl{FNDBGCCMD, The 's' command.}
5275	*/
5276	static DECLCALLBACK(int) dbgcCmdSearchMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5277	{
5278	RT_NOREF2(pCmd, paArgs);
5279
5280	/* check that the parser did what it's supposed to do. */
5281	//if ( cArgs <= 2
5282	// && paArgs[0].enmType != DBGCVAR_TYPE_STRING)
5283	// return DBGCCmdHlpPrintf(pCmdHlp, "parser error\n");
5284
5285	/*
5286	* Repeat previous search?
5287	*/
5288	if (cArgs == 0)
5289	return dbgcCmdWorkerSearchMemResume(pCmdHlp, pUVM, NULL);
5290
5291	/*
5292	* Parse arguments.
5293	*/
5294
5295	return -1;
5296	}
5297
5298
5299	/**
5300	* @callback_method_impl{FNDBGCCMD, The 's?' command.}
5301	*/
5302	static DECLCALLBACK(int) dbgcCmdSearchMemType(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5303	{
5304	/* check that the parser did what it's supposed to do. */
5305	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs >= 2 && DBGCVAR_ISGCPOINTER(paArgs[0].enmType));
5306	return dbgcCmdWorkerSearchMem(pCmdHlp, pUVM, &paArgs[0], 25, pCmd->pszCmd[1], paArgs + 1, cArgs - 1, NULL);
5307	}
5308
5309
5310	/**
5311	* Matching function for interrupts event names.
5312	*
5313	* This parses the interrupt number and length.
5314	*
5315	* @returns True if match, false if not.
5316	* @param pPattern The user specified pattern to match.
5317	* @param pszEvtName The event name.
5318	* @param pCmdHlp Command helpers for warning about malformed stuff.
5319	* @param piFirst Where to return start interrupt number on success.
5320	* @param pcInts Where to return the number of interrupts on success.
5321	*/
5322	static bool dbgcEventIsMatchingInt(PCDBGCVAR pPattern, const char *pszEvtName, PDBGCCMDHLP pCmdHlp,
5323	uint8_t piFirst, uint16_t pcInts)
5324	{
5325	/*
5326	* Ignore trailing hex digits when comparing with the event base name.
5327	*/
5328	const char *pszPattern = pPattern->u.pszString;
5329	const char *pszEnd = RTStrEnd(pszPattern, RTSTR_MAX);
5330	while ( (uintptr_t)pszEnd > (uintptr_t)pszPattern
5331	&& RT_C_IS_XDIGIT(pszEnd[-1]))
5332	pszEnd -= 1;
5333	if (RTStrSimplePatternNMatch(pszPattern, pszEnd - pszPattern, pszEvtName, RTSTR_MAX))
5334	{
5335	/*
5336	* Parse the index and length.
5337	*/
5338	if (!*pszEnd)
5339	*piFirst = 0;
5340	else
5341	{
5342	int rc = RTStrToUInt8Full(pszEnd, 16, piFirst);
5343	if (rc != VINF_SUCCESS)
5344	{
5345	if (RT_FAILURE(rc))
5346	*piFirst = 0;
5347	DBGCCmdHlpPrintf(pCmdHlp, "Warning: %Rrc parsing '%s' - interpreting it as %#x\n", rc, pszEnd, *piFirst);
5348	}
5349	}
5350
5351	if (pPattern->enmRangeType == DBGCVAR_RANGE_NONE)
5352	*pcInts = 1;
5353	else
5354	pcInts = RT_MAX(RT_MIN((uint16_t)pPattern->u64Range, 256 - piFirst), 1);
5355	return true;
5356	}
5357	return false;
5358	}
5359
5360
5361	/**
5362	* Updates a DBGC event config.
5363	*
5364	* @returns VINF_SUCCESS or VERR_NO_MEMORY.
5365	* @param ppEvtCfg The event configuration entry to update.
5366	* @param pszCmd The new command. Leave command alone if NULL.
5367	* @param enmEvtState The new event state.
5368	* @param fChangeCmdOnly Whether to only update the command.
5369	*/
5370	static int dbgcEventUpdate(PDBGCEVTCFG ppEvtCfg, const char pszCmd, DBGCEVTSTATE enmEvtState, bool fChangeCmdOnly)
5371	{
5372	PDBGCEVTCFG pEvtCfg = *ppEvtCfg;
5373
5374	/*
5375	* If we've got a command string, update the command too.
5376	*/
5377	if (pszCmd)
5378	{
5379	size_t cchCmd = strlen(pszCmd);
5380	if ( !cchCmd
5381	&& ( !fChangeCmdOnly
5382	? enmEvtState == kDbgcEvtState_Disabled
5383	: !pEvtCfg \|\| pEvtCfg->enmState == kDbgcEvtState_Disabled))
5384	{
5385	/* NULL entry is fine if no command and disabled. */
5386	RTMemFree(pEvtCfg);
5387	*ppEvtCfg = NULL;
5388	}
5389	else
5390	{
5391	if (!pEvtCfg \|\| pEvtCfg->cchCmd < cchCmd)
5392	{
5393	RTMemFree(pEvtCfg);
5394	*ppEvtCfg = pEvtCfg = (PDBGCEVTCFG)RTMemAlloc(RT_UOFFSETOF_DYN(DBGCEVTCFG, szCmd[cchCmd + 1]));
5395	if (!pEvtCfg)
5396	return VERR_NO_MEMORY;
5397	}
5398	pEvtCfg->enmState = enmEvtState;
5399	pEvtCfg->cchCmd = cchCmd;
5400	memcpy(pEvtCfg->szCmd, pszCmd, cchCmd + 1);
5401	}
5402	}
5403	/*
5404	* Update existing or enable new. If NULL and not enabled, we can keep it that way.
5405	*/
5406	else if (pEvtCfg \|\| enmEvtState != kDbgcEvtState_Disabled)
5407	{
5408	if (!pEvtCfg)
5409	{
5410	*ppEvtCfg = pEvtCfg = (PDBGCEVTCFG)RTMemAlloc(sizeof(DBGCEVTCFG));
5411	if (!pEvtCfg)
5412	return VERR_NO_MEMORY;
5413	pEvtCfg->cchCmd = 0;
5414	pEvtCfg->szCmd[0] = '\0';
5415	}
5416	pEvtCfg->enmState = enmEvtState;
5417	}
5418
5419	return VINF_SUCCESS;
5420	}
5421
5422
5423	/**
5424	* Record one settings change for a plain event.
5425	*
5426	* @returns The new @a cIntCfgs value.
5427	* @param paEventCfgs The event setttings array. Must have DBGFEVENT_END
5428	* entries.
5429	* @param cEventCfgs The current number of entries in @a paEventCfgs.
5430	* @param enmType The event to change the settings for.
5431	* @param enmEvtState The new event state.
5432	* @param iSxEvt Index into the g_aDbgcSxEvents array.
5433	*
5434	* @remarks We use abUnused[0] for the enmEvtState, while abUnused[1] and
5435	* abUnused[2] are used for iSxEvt.
5436	*/
5437	static uint32_t dbgcEventAddPlainConfig(PDBGFEVENTCONFIG paEventCfgs, uint32_t cEventCfgs, DBGFEVENTTYPE enmType,
5438	DBGCEVTSTATE enmEvtState, uint16_t iSxEvt)
5439	{
5440	uint32_t iCfg;
5441	for (iCfg = 0; iCfg < cEventCfgs; iCfg++)
5442	if (paEventCfgs[iCfg].enmType == enmType)
5443	break;
5444	if (iCfg == cEventCfgs)
5445	{
5446	Assert(cEventCfgs < DBGFEVENT_END);
5447	paEventCfgs[iCfg].enmType = enmType;
5448	cEventCfgs++;
5449	}
5450	paEventCfgs[iCfg].fEnabled = enmEvtState > kDbgcEvtState_Disabled;
5451	paEventCfgs[iCfg].abUnused[0] = enmEvtState;
5452	paEventCfgs[iCfg].abUnused[1] = (uint8_t)iSxEvt;
5453	paEventCfgs[iCfg].abUnused[2] = (uint8_t)(iSxEvt >> 8);
5454	return cEventCfgs;
5455	}
5456
5457
5458	/**
5459	* Record one or more interrupt event config changes.
5460	*
5461	* @returns The new @a cIntCfgs value.
5462	* @param paIntCfgs Interrupt confiruation array. Must have 256 entries.
5463	* @param cIntCfgs The current number of entries in @a paIntCfgs.
5464	* @param iInt The interrupt number to start with.
5465	* @param cInts The number of interrupts to change.
5466	* @param pszName The settings name (hwint/swint).
5467	* @param enmEvtState The new event state.
5468	* @param bIntOp The new DBGF interrupt state.
5469	*/
5470	static uint32_t dbgcEventAddIntConfig(PDBGFINTERRUPTCONFIG paIntCfgs, uint32_t cIntCfgs, uint8_t iInt, uint16_t cInts,
5471	const char *pszName, DBGCEVTSTATE enmEvtState, uint8_t bIntOp)
5472	{
5473	bool const fHwInt = *pszName == 'h';
5474
5475	bIntOp \|= (uint8_t)enmEvtState << 4;
5476	uint8_t const bSoftState = !fHwInt ? bIntOp : DBGFINTERRUPTSTATE_DONT_TOUCH;
5477	uint8_t const bHardState = fHwInt ? bIntOp : DBGFINTERRUPTSTATE_DONT_TOUCH;
5478
5479	while (cInts > 0)
5480	{
5481	uint32_t iCfg;
5482	for (iCfg = 0; iCfg < cIntCfgs; iCfg++)
5483	if (paIntCfgs[iCfg].iInterrupt == iInt)
5484	break;
5485	if (iCfg == cIntCfgs)
5486	break;
5487	if (fHwInt)
5488	paIntCfgs[iCfg].enmHardState = bHardState;
5489	else
5490	paIntCfgs[iCfg].enmSoftState = bSoftState;
5491	iInt++;
5492	cInts--;
5493	}
5494
5495	while (cInts > 0)
5496	{
5497	Assert(cIntCfgs < 256);
5498	paIntCfgs[cIntCfgs].iInterrupt = iInt;
5499	paIntCfgs[cIntCfgs].enmHardState = bHardState;
5500	paIntCfgs[cIntCfgs].enmSoftState = bSoftState;
5501	cIntCfgs++;
5502	iInt++;
5503	cInts--;
5504	}
5505
5506	return cIntCfgs;
5507	}
5508
5509
5510	/**
5511	* Applies event settings changes to DBGC and DBGF.
5512	*
5513	* @returns VBox status code (fully bitched)
5514	* @param pCmdHlp The command helpers.
5515	* @param pUVM The user mode VM handle.
5516	* @param paIntCfgs Interrupt configuration array. We use the upper 4
5517	* bits of the settings for the DBGCEVTSTATE. This
5518	* will be cleared.
5519	* @param cIntCfgs Number of interrupt configuration changes.
5520	* @param paEventCfgs The generic event configuration array. We use the
5521	* abUnused[0] member for the DBGCEVTSTATE, and
5522	* abUnused[2:1] for the g_aDbgcSxEvents index.
5523	* @param cEventCfgs The number of generic event settings changes.
5524	* @param pszCmd The commands to associate with the changed events.
5525	* If this is NULL, don't touch the command.
5526	* @param fChangeCmdOnly Whether to only change the commands (sx-).
5527	*/
5528	static int dbgcEventApplyChanges(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGFINTERRUPTCONFIG paIntCfgs, uint32_t cIntCfgs,
5529	PCDBGFEVENTCONFIG paEventCfgs, uint32_t cEventCfgs, const char *pszCmd, bool fChangeCmdOnly)
5530	{
5531	int rc;
5532
5533	/*
5534	* Apply changes to DBGC. This can only fail with out of memory error.
5535	*/
5536	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5537	if (cIntCfgs)
5538	for (uint32_t iCfg = 0; iCfg < cIntCfgs; iCfg++)
5539	{
5540	DBGCEVTSTATE enmEvtState = (DBGCEVTSTATE)(paIntCfgs[iCfg].enmHardState >> 4);
5541	paIntCfgs[iCfg].enmHardState &= 0xf;
5542	if (paIntCfgs[iCfg].enmHardState != DBGFINTERRUPTSTATE_DONT_TOUCH)
5543	{
5544	rc = dbgcEventUpdate(&pDbgc->apHardInts[paIntCfgs[iCfg].iInterrupt], pszCmd, enmEvtState, fChangeCmdOnly);
5545	if (RT_FAILURE(rc))
5546	return rc;
5547	}
5548
5549	enmEvtState = (DBGCEVTSTATE)(paIntCfgs[iCfg].enmSoftState >> 4);
5550	paIntCfgs[iCfg].enmSoftState &= 0xf;
5551	if (paIntCfgs[iCfg].enmSoftState != DBGFINTERRUPTSTATE_DONT_TOUCH)
5552	{
5553	rc = dbgcEventUpdate(&pDbgc->apSoftInts[paIntCfgs[iCfg].iInterrupt], pszCmd, enmEvtState, fChangeCmdOnly);
5554	if (RT_FAILURE(rc))
5555	return rc;
5556	}
5557	}
5558
5559	if (cEventCfgs)
5560	{
5561	for (uint32_t iCfg = 0; iCfg < cEventCfgs; iCfg++)
5562	{
5563	Assert((unsigned)paEventCfgs[iCfg].enmType < RT_ELEMENTS(pDbgc->apEventCfgs));
5564	uint16_t iSxEvt = RT_MAKE_U16(paEventCfgs[iCfg].abUnused[1], paEventCfgs[iCfg].abUnused[2]);
5565	Assert(iSxEvt < RT_ELEMENTS(g_aDbgcSxEvents));
5566	rc = dbgcEventUpdate(&pDbgc->apEventCfgs[iSxEvt], pszCmd, (DBGCEVTSTATE)paEventCfgs[iCfg].abUnused[0], fChangeCmdOnly);
5567	if (RT_FAILURE(rc))
5568	return rc;
5569	}
5570	}
5571
5572	/*
5573	* Apply changes to DBGF.
5574	*/
5575	if (!fChangeCmdOnly)
5576	{
5577	if (cIntCfgs)
5578	{
5579	rc = DBGFR3InterruptConfigEx(pUVM, paIntCfgs, cIntCfgs);
5580	if (RT_FAILURE(rc))
5581	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3InterruptConfigEx: %Rrc\n", rc);
5582	}
5583	if (cEventCfgs)
5584	{
5585	rc = DBGFR3EventConfigEx(pUVM, paEventCfgs, cEventCfgs);
5586	if (RT_FAILURE(rc))
5587	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3EventConfigEx: %Rrc\n", rc);
5588	}
5589	}
5590
5591	return VINF_SUCCESS;
5592	}
5593
5594
5595	/**
5596	* @callback_method_impl{FNDBGCCMD, The 'sx[eni-]' commands.}
5597	*/
5598	static DECLCALLBACK(int) dbgcCmdEventCtrl(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5599	{
5600	/*
5601	* Figure out which command this is.
5602	*/
5603	uint8_t bIntOp;
5604	DBGCEVTSTATE enmEvtState;
5605	bool fChangeCmdOnly;
5606	switch (pCmd->pszCmd[2])
5607	{
5608	case 'e': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Enabled; fChangeCmdOnly = false; break;
5609	case 'n': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Notify; fChangeCmdOnly = false; break;
5610	case '-': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Invalid; fChangeCmdOnly = true; break;
5611	case 'i': bIntOp = DBGFINTERRUPTSTATE_DISABLED; enmEvtState = kDbgcEvtState_Disabled; fChangeCmdOnly = false; break;
5612	default:
5613	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "pszCmd=%s\n", pCmd->pszCmd);
5614	}
5615
5616	/*
5617	* Command option.
5618	*/
5619	unsigned iArg = 0;
5620	const char *pszCmd = NULL;
5621	if ( cArgs >= iArg + 2
5622	&& paArgs[iArg].enmType == DBGCVAR_TYPE_STRING
5623	&& paArgs[iArg + 1].enmType == DBGCVAR_TYPE_STRING
5624	&& strcmp(paArgs[iArg].u.pszString, "-c") == 0)
5625	{
5626	pszCmd = paArgs[iArg + 1].u.pszString;
5627	iArg += 2;
5628	}
5629	if (fChangeCmdOnly && !pszCmd)
5630	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "The 'sx-' requires the '-c cmd' arguments.\n");
5631
5632	/*
5633	* The remaining arguments are event specifiers to which the operation should be applied.
5634	*/
5635	uint32_t cIntCfgs = 0;
5636	DBGFINTERRUPTCONFIG aIntCfgs[256];
5637	uint32_t cEventCfgs = 0;
5638	DBGFEVENTCONFIG aEventCfgs[DBGFEVENT_END];
5639
5640	for (; iArg < cArgs; iArg++)
5641	{
5642	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, iArg, paArgs[iArg].enmType == DBGCVAR_TYPE_STRING
5643	\|\| paArgs[iArg].enmType == DBGCVAR_TYPE_SYMBOL);
5644	uint32_t cHits = 0;
5645	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5646	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5647	{
5648	if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
5649	\|\| ( g_aDbgcSxEvents[iEvt].pszAltNm
5650	&& RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
5651	{
5652	cEventCfgs = dbgcEventAddPlainConfig(aEventCfgs, cEventCfgs, g_aDbgcSxEvents[iEvt].enmType,
5653	enmEvtState, iEvt);
5654	cHits++;
5655	}
5656	}
5657	else
5658	{
5659	Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
5660	uint8_t iInt;
5661	uint16_t cInts;
5662	if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
5663	{
5664	cIntCfgs = dbgcEventAddIntConfig(aIntCfgs, cIntCfgs, iInt, cInts, g_aDbgcSxEvents[iEvt].pszName,
5665	enmEvtState, bIntOp);
5666	cHits++;
5667	}
5668	}
5669	if (!cHits)
5670	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
5671	}
5672
5673	/*
5674	* Apply the changes.
5675	*/
5676	return dbgcEventApplyChanges(pCmdHlp, pUVM, aIntCfgs, cIntCfgs, aEventCfgs, cEventCfgs, pszCmd, fChangeCmdOnly);
5677	}
5678
5679
5680	/**
5681	* @callback_method_impl{FNDBGCCMD, The 'sxr' commands.}
5682	*/
5683	static DECLCALLBACK(int) dbgcCmdEventCtrlReset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5684	{
5685	RT_NOREF1(pCmd);
5686	uint32_t cEventCfgs = 0;
5687	DBGFEVENTCONFIG aEventCfgs[DBGFEVENT_END];
5688	uint32_t cIntCfgs = 0;
5689	DBGFINTERRUPTCONFIG aIntCfgs[256];
5690
5691	if (cArgs == 0)
5692	{
5693	/*
5694	* All events.
5695	*/
5696	for (uint32_t iInt = 0; iInt < 256; iInt++)
5697	{
5698	aIntCfgs[iInt].iInterrupt = iInt;
5699	aIntCfgs[iInt].enmHardState = DBGFINTERRUPTSTATE_DONT_TOUCH;
5700	aIntCfgs[iInt].enmSoftState = DBGFINTERRUPTSTATE_DONT_TOUCH;
5701	}
5702	cIntCfgs = 256;
5703
5704	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5705	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5706	{
5707	aEventCfgs[cEventCfgs].enmType = g_aDbgcSxEvents[iEvt].enmType;
5708	aEventCfgs[cEventCfgs].fEnabled = g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled;
5709	aEventCfgs[cEventCfgs].abUnused[0] = g_aDbgcSxEvents[iEvt].enmDefault;
5710	aEventCfgs[cEventCfgs].abUnused[1] = (uint8_t)iEvt;
5711	aEventCfgs[cEventCfgs].abUnused[2] = (uint8_t)(iEvt >> 8);
5712	cEventCfgs++;
5713	}
5714	else
5715	{
5716	uint8_t const bState = ( g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled
5717	? DBGFINTERRUPTSTATE_ENABLED : DBGFINTERRUPTSTATE_DISABLED)
5718	\| ((uint8_t)g_aDbgcSxEvents[iEvt].enmDefault << 4);
5719	if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
5720	for (uint32_t iInt = 0; iInt < 256; iInt++)
5721	aIntCfgs[iInt].enmHardState = bState;
5722	else
5723	for (uint32_t iInt = 0; iInt < 256; iInt++)
5724	aIntCfgs[iInt].enmSoftState = bState;
5725	}
5726	}
5727	else
5728	{
5729	/*
5730	* Selected events.
5731	*/
5732	for (uint32_t iArg = 0; iArg < cArgs; iArg++)
5733	{
5734	unsigned cHits = 0;
5735	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5736	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5737	{
5738	if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
5739	\|\| ( g_aDbgcSxEvents[iEvt].pszAltNm
5740	&& RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
5741	{
5742	cEventCfgs = dbgcEventAddPlainConfig(aEventCfgs, cEventCfgs, g_aDbgcSxEvents[iEvt].enmType,
5743	g_aDbgcSxEvents[iEvt].enmDefault, iEvt);
5744	cHits++;
5745	}
5746	}
5747	else
5748	{
5749	Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
5750	uint8_t iInt;
5751	uint16_t cInts;
5752	if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
5753	{
5754	cIntCfgs = dbgcEventAddIntConfig(aIntCfgs, cIntCfgs, iInt, cInts, g_aDbgcSxEvents[iEvt].pszName,
5755	g_aDbgcSxEvents[iEvt].enmDefault,
5756	g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled
5757	? DBGFINTERRUPTSTATE_ENABLED : DBGFINTERRUPTSTATE_DISABLED);
5758	cHits++;
5759	}
5760	}
5761	if (!cHits)
5762	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
5763	}
5764	}
5765
5766	/*
5767	* Apply the reset changes.
5768	*/
5769	return dbgcEventApplyChanges(pCmdHlp, pUVM, aIntCfgs, cIntCfgs, aEventCfgs, cEventCfgs, "", false);
5770	}
5771
5772
5773	/**
5774	* Used during DBGC initialization to configure events with defaults.
5775	*
5776	* @returns VBox status code.
5777	* @param pDbgc The DBGC instance.
5778	*/
5779	void dbgcEventInit(PDBGC pDbgc)
5780	{
5781	if (pDbgc->pUVM)
5782	dbgcCmdEventCtrlReset(NULL, &pDbgc->CmdHlp, pDbgc->pUVM, NULL, 0);
5783	}
5784
5785
5786	/**
5787	* Used during DBGC termination to disable all events.
5788	*
5789	* @param pDbgc The DBGC instance.
5790	*/
5791	void dbgcEventTerm(PDBGC pDbgc)
5792	{
5793	/** @todo need to do more than just reset later. */
5794	if (pDbgc->pUVM && VMR3GetStateU(pDbgc->pUVM) < VMSTATE_DESTROYING)
5795	dbgcCmdEventCtrlReset(NULL, &pDbgc->CmdHlp, pDbgc->pUVM, NULL, 0);
5796	}
5797
5798
5799	static void dbgcEventDisplay(PDBGCCMDHLP pCmdHlp, const char pszName, DBGCEVTSTATE enmDefault, PDBGCEVTCFG const ppEvtCfg)
5800	{
5801	RT_NOREF1(enmDefault);
5802	PDBGCEVTCFG pEvtCfg = *ppEvtCfg;
5803
5804	const char *pszState;
5805	switch (pEvtCfg ? pEvtCfg->enmState : kDbgcEvtState_Disabled)
5806	{
5807	case kDbgcEvtState_Disabled: pszState = "ignore"; break;
5808	case kDbgcEvtState_Enabled: pszState = "enabled"; break;
5809	case kDbgcEvtState_Notify: pszState = "notify"; break;
5810	default:
5811	AssertFailed();
5812	pszState = "invalid";
5813	break;
5814	}
5815
5816	if (pEvtCfg && pEvtCfg->cchCmd > 0)
5817	DBGCCmdHlpPrintf(pCmdHlp, "%-22s %-7s \"%s\"\n", pszName, pszState, pEvtCfg->szCmd);
5818	else
5819	DBGCCmdHlpPrintf(pCmdHlp, "%-22s %s\n", pszName, pszState);
5820	}
5821
5822
5823	static void dbgcEventDisplayRange(PDBGCCMDHLP pCmdHlp, const char *pszBaseNm, DBGCEVTSTATE enmDefault,
5824	PDBGCEVTCFG const *papEvtCfgs, unsigned iCfg, unsigned cCfgs)
5825	{
5826	do
5827	{
5828	PCDBGCEVTCFG pFirstCfg = papEvtCfgs[iCfg];
5829	if (pFirstCfg && pFirstCfg->enmState == kDbgcEvtState_Disabled && pFirstCfg->cchCmd == 0)
5830	pFirstCfg = NULL;
5831
5832	unsigned const iFirstCfg = iCfg;
5833	iCfg++;
5834	while (iCfg < cCfgs)
5835	{
5836	PCDBGCEVTCFG pCurCfg = papEvtCfgs[iCfg];
5837	if (pCurCfg && pCurCfg->enmState == kDbgcEvtState_Disabled && pCurCfg->cchCmd == 0)
5838	pCurCfg = NULL;
5839	if (pCurCfg != pFirstCfg)
5840	{
5841	if (!pCurCfg \|\| !pFirstCfg)
5842	break;
5843	if (pCurCfg->enmState != pFirstCfg->enmState)
5844	break;
5845	if (pCurCfg->cchCmd != pFirstCfg->cchCmd)
5846	break;
5847	if (memcmp(pCurCfg->szCmd, pFirstCfg->szCmd, pFirstCfg->cchCmd) != 0)
5848	break;
5849	}
5850	iCfg++;
5851	}
5852
5853	char szName[16];
5854	unsigned cEntries = iCfg - iFirstCfg;
5855	if (cEntries == 1)
5856	RTStrPrintf(szName, sizeof(szName), "%s%02x", pszBaseNm, iFirstCfg);
5857	else
5858	RTStrPrintf(szName, sizeof(szName), "%s%02x L %#x", pszBaseNm, iFirstCfg, cEntries);
5859	dbgcEventDisplay(pCmdHlp, szName, enmDefault, &papEvtCfgs[iFirstCfg]);
5860
5861	cCfgs -= cEntries;
5862	} while (cCfgs > 0);
5863	}
5864
5865
5866	/**
5867	* @callback_method_impl{FNDBGCCMD, The 'sx' commands.}
5868	*/
5869	static DECLCALLBACK(int) dbgcCmdEventCtrlList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5870	{
5871	RT_NOREF2(pCmd, pUVM);
5872	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5873
5874	if (cArgs == 0)
5875	{
5876	/*
5877	* All events.
5878	*/
5879	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5880	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5881	dbgcEventDisplay(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5882	&pDbgc->apEventCfgs[iEvt]);
5883	else if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
5884	dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5885	pDbgc->apHardInts, 0, 256);
5886	else
5887	dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5888	pDbgc->apSoftInts, 0, 256);
5889	}
5890	else
5891	{
5892	/*
5893	* Selected events.
5894	*/
5895	for (uint32_t iArg = 0; iArg < cArgs; iArg++)
5896	{
5897	unsigned cHits = 0;
5898	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5899	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5900	{
5901	if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
5902	\|\| ( g_aDbgcSxEvents[iEvt].pszAltNm
5903	&& RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
5904	{
5905	dbgcEventDisplay(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5906	&pDbgc->apEventCfgs[iEvt]);
5907	cHits++;
5908	}
5909	}
5910	else
5911	{
5912	Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
5913	uint8_t iInt;
5914	uint16_t cInts;
5915	if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
5916	{
5917	if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
5918	dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5919	pDbgc->apHardInts, iInt, cInts);
5920	else
5921	dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5922	pDbgc->apSoftInts, iInt, cInts);
5923	cHits++;
5924	}
5925	}
5926	if (cHits == 0)
5927	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
5928	}
5929	}
5930
5931	return VINF_SUCCESS;
5932	}
5933
5934
5935
5936	/**
5937	* List near symbol.
5938	*
5939	* @returns VBox status code.
5940	* @param pCmdHlp Pointer to command helper functions.
5941	* @param pUVM The user mode VM handle.
5942	* @param pArg Pointer to the address or symbol to lookup.
5943	*/
5944	static int dbgcDoListNear(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR pArg)
5945	{
5946	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5947
5948	RTDBGSYMBOL Symbol;
5949	int rc;
5950	if (pArg->enmType == DBGCVAR_TYPE_SYMBOL)
5951	{
5952	/*
5953	* Lookup the symbol address.
5954	*/
5955	rc = DBGFR3AsSymbolByName(pUVM, pDbgc->hDbgAs, pArg->u.pszString, &Symbol, NULL);
5956	if (RT_FAILURE(rc))
5957	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3AsSymbolByName(,,%s,)\n", pArg->u.pszString);
5958
5959	rc = DBGCCmdHlpPrintf(pCmdHlp, "%RTptr %s\n", Symbol.Value, Symbol.szName);
5960	}
5961	else
5962	{
5963	/*
5964	* Convert it to a flat GC address and lookup that address.
5965	*/
5966	DBGCVAR AddrVar;
5967	rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, "%%(%DV)", pArg);
5968	if (RT_FAILURE(rc))
5969	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "%%(%DV)\n", pArg);
5970
5971	RTINTPTR offDisp;
5972	DBGFADDRESS Addr;
5973	rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, AddrVar.u.GCFlat),
5974	RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL \| RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
5975	&offDisp, &Symbol, NULL);
5976	if (RT_FAILURE(rc))
5977	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3AsSymbolByAddr(,,%RGv,,)\n", AddrVar.u.GCFlat);
5978
5979	if (!offDisp)
5980	rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s", &AddrVar, Symbol.szName);
5981	else if (offDisp > 0)
5982	rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s + %RGv", &AddrVar, Symbol.szName, offDisp);
5983	else
5984	rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s - %RGv", &AddrVar, Symbol.szName, -offDisp);
5985	if (Symbol.cb > 0)
5986	rc = DBGCCmdHlpPrintf(pCmdHlp, " (LB %RGv)\n", Symbol.cb);
5987	else
5988	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
5989	}
5990
5991	return rc;
5992	}
5993
5994
5995	/**
5996	* @callback_method_impl{FNDBGCCMD, The 'ln' (listnear) command.}
5997	*/
5998	static DECLCALLBACK(int) dbgcCmdListNear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5999	{
6000	if (!cArgs)
6001	{
6002	/*
6003	* Current cs:eip symbol.
6004	*/
6005	DBGCVAR AddrVar;
6006	const char *pszFmtExpr = "%%(cs:eip)";
6007	int rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, pszFmtExpr);
6008	if (RT_FAILURE(rc))
6009	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "%s\n", pszFmtExpr + 1);
6010	return dbgcDoListNear(pCmdHlp, pUVM, &AddrVar);
6011	}
6012
6013	/** @todo Fix the darn parser, it's resolving symbols specified as arguments before we get in here. */
6014	/*
6015	* Iterate arguments.
6016	*/
6017	for (unsigned iArg = 0; iArg < cArgs; iArg++)
6018	{
6019	int rc = dbgcDoListNear(pCmdHlp, pUVM, &paArgs[iArg]);
6020	if (RT_FAILURE(rc))
6021	return rc;
6022	}
6023
6024	NOREF(pCmd);
6025	return VINF_SUCCESS;
6026	}
6027
6028
6029	/**
6030	* Matches the module patters against a module name.
6031	*
6032	* @returns true if matching, otherwise false.
6033	* @param pszName The module name.
6034	* @param paArgs The module pattern argument list.
6035	* @param cArgs Number of arguments.
6036	*/
6037	static bool dbgcCmdListModuleMatch(const char *pszName, PCDBGCVAR paArgs, unsigned cArgs)
6038	{
6039	for (uint32_t i = 0; i < cArgs; i++)
6040	if (RTStrSimplePatternMatch(paArgs[i].u.pszString, pszName))
6041	return true;
6042	return false;
6043	}
6044
6045
6046	/**
6047	* @callback_method_impl{FNDBGCCMD, The 'ln' (list near) command.}
6048	*/
6049	static DECLCALLBACK(int) dbgcCmdListModules(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6050	{
6051	bool const fMappings = pCmd->pszCmd[2] == 'o';
6052	bool const fVerbose = pCmd->pszCmd[strlen(pCmd->pszCmd) - 1] == 'v';
6053	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6054
6055	/*
6056	* Iterate the modules in the current address space and print info about
6057	* those matching the input.
6058	*/
6059	RTDBGAS hAsCurAlias = pDbgc->hDbgAs;
6060	for (uint32_t iAs = 0;; iAs++)
6061	{
6062	RTDBGAS hAs = DBGFR3AsResolveAndRetain(pUVM, hAsCurAlias);
6063	uint32_t cMods = RTDbgAsModuleCount(hAs);
6064	for (uint32_t iMod = 0; iMod < cMods; iMod++)
6065	{
6066	RTDBGMOD hMod = RTDbgAsModuleByIndex(hAs, iMod);
6067	if (hMod != NIL_RTDBGMOD)
6068	{
6069	bool const fDeferred = RTDbgModIsDeferred(hMod);
6070	bool const fExports = RTDbgModIsExports(hMod);
6071	uint32_t const cSegs = fDeferred ? 1 : RTDbgModSegmentCount(hMod);
6072	const char * const pszName = RTDbgModName(hMod);
6073	const char * const pszImgFile = RTDbgModImageFile(hMod);
6074	const char * const pszImgFileUsed = RTDbgModImageFileUsed(hMod);
6075	const char * const pszDbgFile = RTDbgModDebugFile(hMod);
6076	if ( cArgs == 0
6077	\|\| dbgcCmdListModuleMatch(pszName, paArgs, cArgs))
6078	{
6079	/*
6080	* Find the mapping with the lower address, preferring a full
6081	* image mapping, for the main line.
6082	*/
6083	RTDBGASMAPINFO aMappings[128];
6084	uint32_t cMappings = RT_ELEMENTS(aMappings);
6085	int rc = RTDbgAsModuleQueryMapByIndex(hAs, iMod, &aMappings[0], &cMappings, 0 /fFlags/);
6086	if (RT_SUCCESS(rc))
6087	{
6088	bool fFull = false;
6089	RTUINTPTR uMin = RTUINTPTR_MAX;
6090	for (uint32_t iMap = 0; iMap < cMappings; iMap++)
6091	if ( aMappings[iMap].Address < uMin
6092	&& ( !fFull
6093	\|\| aMappings[iMap].iSeg == NIL_RTDBGSEGIDX))
6094	uMin = aMappings[iMap].Address;
6095	if (!fVerbose \|\| !pszImgFile)
6096	DBGCCmdHlpPrintf(pCmdHlp, "%RGv %04x %s%s\n", (RTGCUINTPTR)uMin, cSegs, pszName,
6097	fExports ? " (exports)" : fDeferred ? " (deferred)" : "");
6098	else
6099	DBGCCmdHlpPrintf(pCmdHlp, "%RGv %04x %-12s %s%s\n", (RTGCUINTPTR)uMin, cSegs, pszName, pszImgFile,
6100	fExports ? " (exports)" : fDeferred ? " (deferred)" : "");
6101	if (fVerbose && pszImgFileUsed)
6102	DBGCCmdHlpPrintf(pCmdHlp, " Local image: %s\n", pszImgFileUsed);
6103	if (fVerbose && pszDbgFile)
6104	DBGCCmdHlpPrintf(pCmdHlp, " Debug file: %s\n", pszDbgFile);
6105	if (fVerbose)
6106	{
6107	char szTmp[64];
6108	RTTIMESPEC TimeSpec;
6109	int64_t secTs = 0;
6110	if (RT_SUCCESS(RTDbgModImageQueryProp(hMod, RTLDRPROP_TIMESTAMP_SECONDS, &secTs, sizeof(secTs), NULL)))
6111	DBGCCmdHlpPrintf(pCmdHlp, " Timestamp: %08RX64 %s\n", secTs,
6112	RTTimeSpecToString(RTTimeSpecSetSeconds(&TimeSpec, secTs), szTmp, sizeof(szTmp)));
6113	RTUUID Uuid;
6114	if (RT_SUCCESS(RTDbgModImageQueryProp(hMod, RTLDRPROP_UUID, &Uuid, sizeof(Uuid), NULL)))
6115	DBGCCmdHlpPrintf(pCmdHlp, " UUID: %RTuuid\n", &Uuid);
6116	}
6117
6118	if (fMappings)
6119	{
6120	/* sort by address first - not very efficient. */
6121	for (uint32_t i = 0; i + 1 < cMappings; i++)
6122	for (uint32_t j = i + 1; j < cMappings; j++)
6123	if (aMappings[j].Address < aMappings[i].Address)
6124	{
6125	RTDBGASMAPINFO Tmp = aMappings[j];
6126	aMappings[j] = aMappings[i];
6127	aMappings[i] = Tmp;
6128	}
6129
6130	/* print */
6131	if ( cMappings == 1
6132	&& aMappings[0].iSeg == NIL_RTDBGSEGIDX
6133	&& !fDeferred)
6134	{
6135	for (uint32_t iSeg = 0; iSeg < cSegs; iSeg++)
6136	{
6137	RTDBGSEGMENT SegInfo;
6138	rc = RTDbgModSegmentByIndex(hMod, iSeg, &SegInfo);
6139	if (RT_SUCCESS(rc))
6140	{
6141	if (SegInfo.uRva != RTUINTPTR_MAX)
6142	DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv #%02x %s\n",
6143	(RTGCUINTPTR)(aMappings[0].Address + SegInfo.uRva),
6144	(RTGCUINTPTR)SegInfo.cb, iSeg, SegInfo.szName);
6145	else
6146	DBGCCmdHlpPrintf(pCmdHlp, " %*s %RGv #%02x %s\n",
6147	sizeof(RTGCUINTPTR)*2, "noload",
6148	(RTGCUINTPTR)SegInfo.cb, iSeg, SegInfo.szName);
6149	}
6150	else
6151	DBGCCmdHlpPrintf(pCmdHlp, " Error query segment #%u: %Rrc\n", iSeg, rc);
6152	}
6153	}
6154	else
6155	{
6156	for (uint32_t iMap = 0; iMap < cMappings; iMap++)
6157	if (aMappings[iMap].iSeg == NIL_RTDBGSEGIDX)
6158	DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv <everything>\n",
6159	(RTGCUINTPTR)aMappings[iMap].Address,
6160	(RTGCUINTPTR)RTDbgModImageSize(hMod));
6161	else if (!fDeferred)
6162	{
6163	RTDBGSEGMENT SegInfo;
6164	rc = RTDbgModSegmentByIndex(hMod, aMappings[iMap].iSeg, &SegInfo);
6165	if (RT_FAILURE(rc))
6166	{
6167	RT_ZERO(SegInfo);
6168	strcpy(SegInfo.szName, "error");
6169	}
6170	DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv #%02x %s\n",
6171	(RTGCUINTPTR)aMappings[iMap].Address,
6172	(RTGCUINTPTR)SegInfo.cb,
6173	aMappings[iMap].iSeg, SegInfo.szName);
6174	}
6175	else
6176	DBGCCmdHlpPrintf(pCmdHlp, " %RGv #%02x\n",
6177	(RTGCUINTPTR)aMappings[iMap].Address, aMappings[iMap].iSeg);
6178	}
6179	}
6180	}
6181	else
6182	DBGCCmdHlpPrintf(pCmdHlp, "%.*s %04x %s (rc=%Rrc)\n",
6183	sizeof(RTGCPTR) * 2, "???????????", cSegs, pszName, rc);
6184	/** @todo missing address space API for enumerating the mappings. */
6185	}
6186	RTDbgModRelease(hMod);
6187	}
6188	}
6189	RTDbgAsRelease(hAs);
6190
6191	/* For DBGF_AS_RC_AND_GC_GLOBAL we're required to do more work. */
6192	if (hAsCurAlias != DBGF_AS_RC_AND_GC_GLOBAL)
6193	break;
6194	AssertBreak(iAs == 0);
6195	hAsCurAlias = DBGF_AS_GLOBAL;
6196	}
6197
6198	NOREF(pCmd);
6199	return VINF_SUCCESS;
6200	}
6201
6202
6203
6204	/**
6205	* @callback_method_impl{FNDBGCCMD, The 'x' (examine symbols) command.}
6206	*/
6207	static DECLCALLBACK(int) dbgcCmdListSymbols(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6208	{
6209	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6210	AssertReturn(paArgs[0].enmType == DBGCVAR_TYPE_STRING, VERR_DBGC_PARSE_BUG);
6211
6212	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6213
6214	/*
6215	* Allowed is either a single * to match everything or the Module!Symbol style
6216	* which requiresa ! to separate module and symbol.
6217	*/
6218	bool fDumpAll = strcmp(paArgs[0].u.pszString, "*") == 0;
6219	const char *pszModule = NULL;
6220	size_t cchModule = 0;
6221	const char *pszSymbol = NULL;
6222	if (!fDumpAll)
6223	{
6224	const char *pszDelimiter = strchr(paArgs[0].u.pszString, '!');
6225	if (!pszDelimiter)
6226	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid search string '%s' for '%s'. Valid are either '*' or the form <Module>!<Symbol> where the <Module> and <Symbol> can contain wildcards",
6227	paArgs[0].u.pszString, pCmd->pszCmd);
6228
6229	pszModule = paArgs[0].u.pszString;
6230	cchModule = pszDelimiter - pszModule;
6231	pszSymbol = pszDelimiter + 1;
6232	}
6233
6234	/*
6235	* Iterate the modules in the current address space and print info about
6236	* those matching the input.
6237	*/
6238	RTDBGAS hAsCurAlias = pDbgc->hDbgAs;
6239	for (uint32_t iAs = 0;; iAs++)
6240	{
6241	RTDBGAS hAs = DBGFR3AsResolveAndRetain(pUVM, hAsCurAlias);
6242	uint32_t cMods = RTDbgAsModuleCount(hAs);
6243	for (uint32_t iMod = 0; iMod < cMods; iMod++)
6244	{
6245	RTDBGMOD hMod = RTDbgAsModuleByIndex(hAs, iMod);
6246	if (hMod != NIL_RTDBGMOD)
6247	{
6248	const char *pszModName = RTDbgModName(hMod);
6249	if ( fDumpAll
6250	\|\| RTStrSimplePatternNMatch(pszModule, cchModule, pszModName, strlen(pszModName)))
6251	{
6252	RTDBGASMAPINFO aMappings[128];
6253	uint32_t cMappings = RT_ELEMENTS(aMappings);
6254	RTUINTPTR uMapping = 0;
6255
6256	/* Get the minimum mapping address of the module so we can print absolute values for the symbol later on. */
6257	int rc = RTDbgAsModuleQueryMapByIndex(hAs, iMod, &aMappings[0], &cMappings, 0 /fFlags/);
6258	if (RT_SUCCESS(rc))
6259	{
6260	uMapping = RTUINTPTR_MAX;
6261	for (uint32_t iMap = 0; iMap < cMappings; iMap++)
6262	if (aMappings[iMap].Address < uMapping)
6263	uMapping = aMappings[iMap].Address;
6264	}
6265
6266	/* Go through the symbols and print any matches. */
6267	uint32_t cSyms = RTDbgModSymbolCount(hMod);
6268	for (uint32_t iSym = 0; iSym < cSyms; iSym++)
6269	{
6270	RTDBGSYMBOL SymInfo;
6271	rc = RTDbgModSymbolByOrdinal(hMod, iSym, &SymInfo);
6272	if ( RT_SUCCESS(rc)
6273	&& ( fDumpAll
6274	\|\| RTStrSimplePatternMatch(pszSymbol, &SymInfo.szName[0])))
6275	DBGCCmdHlpPrintf(pCmdHlp, "%RGv %s!%s\n", uMapping + (RTGCUINTPTR)SymInfo.Value, pszModName, &SymInfo.szName[0]);
6276	}
6277	}
6278	RTDbgModRelease(hMod);
6279	}
6280	}
6281	RTDbgAsRelease(hAs);
6282
6283	/* For DBGF_AS_RC_AND_GC_GLOBAL we're required to do more work. */
6284	if (hAsCurAlias != DBGF_AS_RC_AND_GC_GLOBAL)
6285	break;
6286	AssertBreak(iAs == 0);
6287	hAsCurAlias = DBGF_AS_GLOBAL;
6288	}
6289
6290	RT_NOREF(pCmd);
6291	return VINF_SUCCESS;
6292	}
6293
6294
6295	/**
6296	* @callback_method_impl{FNDBGCCMD, The 'tflowc' (clear trace flow) command.}
6297	*/
6298	static DECLCALLBACK(int) dbgcCmdTraceFlowClear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6299	{
6300	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
6301
6302	/*
6303	* Enumerate the arguments.
6304	*/
6305	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6306	int rc = VINF_SUCCESS;
6307	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
6308	{
6309	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
6310	{
6311	/* one */
6312	uint32_t iFlowTraceMod = (uint32_t)paArgs[iArg].u.u64Number;
6313	if (iFlowTraceMod == paArgs[iArg].u.u64Number)
6314	{
6315	PDBGCTFLOW pFlowTrace = dbgcFlowTraceModGet(pDbgc, iFlowTraceMod);
6316	if (pFlowTrace)
6317	{
6318	rc = DBGFR3FlowTraceModRelease(pFlowTrace->hTraceFlowMod);
6319	if (RT_FAILURE(rc))
6320	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowTraceModRelease failed for flow trace module %#x", iFlowTraceMod);
6321	rc = DBGFR3FlowRelease(pFlowTrace->hFlow);
6322	if (RT_FAILURE(rc))
6323	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowRelease failed for flow trace module %#x", iFlowTraceMod);
6324	dbgcFlowTraceModDelete(pDbgc, iFlowTraceMod);
6325	}
6326	else
6327	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, VERR_NOT_FOUND, "Flow trace module %#x doesn't exist", iFlowTraceMod);
6328	}
6329	else
6330	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Flow trace mod id %RX64 is too large", paArgs[iArg].u.u64Number);
6331	}
6332	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
6333	{
6334	/* all */
6335	PDBGCTFLOW pIt, pItNext;
6336	RTListForEachSafe(&pDbgc->LstTraceFlowMods, pIt, pItNext, DBGCTFLOW, NdTraceFlow)
6337	{
6338	int rc2 = DBGFR3FlowTraceModRelease(pIt->hTraceFlowMod);
6339	if (RT_FAILURE(rc2))
6340	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3FlowTraceModDisable failed for flow trace module %#x", pIt->iTraceFlowMod);
6341	dbgcFlowTraceModDelete(pDbgc, pIt->iTraceFlowMod);
6342	}
6343	}
6344	else
6345	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
6346	}
6347	return rc;
6348	}
6349
6350
6351	/**
6352	* @callback_method_impl{FNDBGCCMD, The 'tflowd' (disable trace flow) command.}
6353	*/
6354	static DECLCALLBACK(int) dbgcCmdTraceFlowDisable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6355	{
6356	/*
6357	* Enumerate the arguments.
6358	*/
6359	RT_NOREF1(pUVM);
6360	int rc = VINF_SUCCESS;
6361	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6362	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
6363	{
6364	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
6365	{
6366	/* one */
6367	uint32_t iFlowTraceMod = (uint32_t)paArgs[iArg].u.u64Number;
6368	if (iFlowTraceMod == paArgs[iArg].u.u64Number)
6369	{
6370	PDBGCTFLOW pFlowTrace = dbgcFlowTraceModGet(pDbgc, iFlowTraceMod);
6371	if (pFlowTrace)
6372	{
6373	rc = DBGFR3FlowTraceModDisable(pFlowTrace->hTraceFlowMod);
6374	if (RT_FAILURE(rc))
6375	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowTraceModDisable failed for flow trace module %#x", iFlowTraceMod);
6376	}
6377	else
6378	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, VERR_NOT_FOUND, "Flow trace module %#x doesn't exist", iFlowTraceMod);
6379	}
6380	else
6381	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
6382	}
6383	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
6384	{
6385	/* all */
6386	PDBGCTFLOW pIt;
6387	RTListForEach(&pDbgc->LstTraceFlowMods, pIt, DBGCTFLOW, NdTraceFlow)
6388	{
6389	int rc2 = DBGFR3FlowTraceModDisable(pIt->hTraceFlowMod);
6390	if (RT_FAILURE(rc2))
6391	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3FlowTraceModDisable failed for flow trace module %#x",
6392	pIt->iTraceFlowMod);
6393	}
6394	}
6395	else
6396	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
6397	}
6398	return rc;
6399	}
6400
6401
6402	/**
6403	* @callback_method_impl{FNDBGCCMD, The 'tflowe' (enable trace flow) command.}
6404	*/
6405	static DECLCALLBACK(int) dbgcCmdTraceFlowEnable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6406	{
6407	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6408
6409	/*
6410	* Validate input.
6411	*/
6412	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
6413	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 2);
6414	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 \|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
6415
6416	if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
6417	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
6418
6419	/*
6420	* Check the desired mode.
6421	*/
6422	unsigned fFlags = DBGF_DISAS_FLAGS_UNPATCHED_BYTES \| DBGF_DISAS_FLAGS_ANNOTATE_PATCHED \| DBGF_DISAS_FLAGS_DEFAULT_MODE;
6423
6424	/** @todo should use DBGFADDRESS for everything */
6425
6426	/*
6427	* Find address.
6428	*/
6429	if (!cArgs)
6430	{
6431	if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
6432	{
6433	/** @todo Batch query CS, RIP, CPU mode and flags. */
6434	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
6435	if (CPUMIsGuestIn64BitCode(pVCpu))
6436	{
6437	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
6438	pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
6439	}
6440	else
6441	{
6442	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
6443	pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
6444	pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
6445	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
6446	&& (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
6447	{
6448	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
6449	fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
6450	}
6451	}
6452
6453	fFlags \|= DBGF_DISAS_FLAGS_CURRENT_GUEST;
6454	}
6455	else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
6456	{
6457	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
6458	fFlags \|= pDbgc->fDisasm & DBGF_DISAS_FLAGS_MODE_MASK;
6459	}
6460	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
6461	}
6462	else
6463	pDbgc->DisasmPos = paArgs[0];
6464	pDbgc->pLastPos = &pDbgc->DisasmPos;
6465
6466	/*
6467	* Convert physical and host addresses to guest addresses.
6468	*/
6469	RTDBGAS hDbgAs = pDbgc->hDbgAs;
6470	int rc;
6471	switch (pDbgc->DisasmPos.enmType)
6472	{
6473	case DBGCVAR_TYPE_GC_FLAT:
6474	case DBGCVAR_TYPE_GC_FAR:
6475	break;
6476	case DBGCVAR_TYPE_GC_PHYS:
6477	hDbgAs = DBGF_AS_PHYS;
6478	/* fall thru */
6479	case DBGCVAR_TYPE_HC_FLAT:
6480	case DBGCVAR_TYPE_HC_PHYS:
6481	{
6482	DBGCVAR VarTmp;
6483	rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
6484	if (RT_FAILURE(rc))
6485	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
6486	pDbgc->DisasmPos = VarTmp;
6487	break;
6488	}
6489	default: AssertFailed(); break;
6490	}
6491
6492	DBGFADDRESS CurAddr;
6493	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
6494	&& pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
6495	DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
6496	else
6497	{
6498	rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
6499	if (RT_FAILURE(rc))
6500	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
6501	}
6502
6503	DBGFFLOW hCfg;
6504	rc = DBGFR3FlowCreate(pUVM, pDbgc->idCpu, &CurAddr, 0 /cbDisasmMax/,
6505	DBGF_FLOW_CREATE_F_TRY_RESOLVE_INDIRECT_BRANCHES, fFlags, &hCfg);
6506	if (RT_SUCCESS(rc))
6507	{
6508	/* Create a probe. */
6509	DBGFFLOWTRACEPROBE hFlowTraceProbe = NULL;
6510	DBGFFLOWTRACEPROBE hFlowTraceProbeExit = NULL;
6511	DBGFFLOWTRACEPROBEENTRY Entry;
6512	DBGFFLOWTRACEMOD hFlowTraceMod = NULL;
6513	uint32_t iTraceModId = 0;
6514
6515	RT_ZERO(Entry);
6516	Entry.enmType = DBGFFLOWTRACEPROBEENTRYTYPE_DEBUGGER;
6517
6518	rc = DBGFR3FlowTraceProbeCreate(pUVM, NULL, &hFlowTraceProbe);
6519	if (RT_SUCCESS(rc))
6520	rc = DBGFR3FlowTraceProbeCreate(pUVM, NULL, &hFlowTraceProbeExit);
6521	if (RT_SUCCESS(rc))
6522	rc = DBGFR3FlowTraceProbeEntriesAdd(hFlowTraceProbeExit, &Entry, 1 /cEntries/);
6523	if (RT_SUCCESS(rc))
6524	rc = DBGFR3FlowTraceModCreateFromFlowGraph(pUVM, VMCPUID_ANY, hCfg, NULL,
6525	hFlowTraceProbe, hFlowTraceProbe,
6526	hFlowTraceProbeExit, &hFlowTraceMod);
6527	if (RT_SUCCESS(rc))
6528	rc = dbgcFlowTraceModAdd(pDbgc, hFlowTraceMod, hCfg, &iTraceModId);
6529	if (RT_SUCCESS(rc))
6530	rc = DBGFR3FlowTraceModEnable(hFlowTraceMod, 0, 0);
6531	if (RT_SUCCESS(rc))
6532	DBGCCmdHlpPrintf(pCmdHlp, "Enabled execution flow tracing %u at %RGv\n",
6533	iTraceModId, CurAddr.FlatPtr);
6534
6535	if (hFlowTraceProbe)
6536	DBGFR3FlowTraceProbeRelease(hFlowTraceProbe);
6537	if (hFlowTraceProbeExit)
6538	DBGFR3FlowTraceProbeRelease(hFlowTraceProbeExit);
6539	}
6540	else
6541	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowCreate failed on '%Dv'", &pDbgc->DisasmPos);
6542
6543	NOREF(pCmd);
6544	return rc;
6545	}
6546
6547
6548	/**
6549	* Enumerates and prints all records contained in the given flow tarce module.
6550	*
6551	* @returns VBox status code.
6552	* @param pCmd The command.
6553	* @param pCmdHlp The command helpers.
6554	* @param hFlowTraceMod The flow trace module to print.
6555	* @param hFlow The control flow graph assoicated with the given module.
6556	* @param iFlowTraceMod The flow trace module identifier.
6557	*/
6558	static int dbgcCmdTraceFlowPrintOne(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, DBGFFLOWTRACEMOD hFlowTraceMod,
6559	DBGFFLOW hFlow, uint32_t iFlowTraceMod)
6560	{
6561	RT_NOREF(hFlow);
6562
6563	DBGFFLOWTRACEREPORT hFlowTraceReport;
6564	int rc = DBGFR3FlowTraceModQueryReport(hFlowTraceMod, &hFlowTraceReport);
6565	if (RT_SUCCESS(rc))
6566	{
6567	uint32_t cRecords = DBGFR3FlowTraceReportGetRecordCount(hFlowTraceReport);
6568	DBGCCmdHlpPrintf(pCmdHlp, "Report for flow trace module %#x (%u records):\n",
6569	iFlowTraceMod, cRecords);
6570
6571	PDBGCFLOWBBDUMP paDumpBb = (PDBGCFLOWBBDUMP)RTMemTmpAllocZ(cRecords * sizeof(DBGCFLOWBBDUMP));
6572	if (RT_LIKELY(paDumpBb))
6573	{
6574	/* Query the basic block referenced for each record and calculate the size. */
6575	for (uint32_t i = 0; i < cRecords && RT_SUCCESS(rc); i++)
6576	{
6577	DBGFFLOWTRACERECORD hRec = NULL;
6578	rc = DBGFR3FlowTraceReportQueryRecord(hFlowTraceReport, i, &hRec);
6579	if (RT_SUCCESS(rc))
6580	{
6581	DBGFADDRESS Addr;
6582	DBGFR3FlowTraceRecordGetAddr(hRec, &Addr);
6583
6584	DBGFFLOWBB hFlowBb = NULL;
6585	rc = DBGFR3FlowQueryBbByAddress(hFlow, &Addr, &hFlowBb);
6586	if (RT_SUCCESS(rc))
6587	dbgcCmdUnassembleCfgDumpCalcBbSize(hFlowBb, &paDumpBb[i]);
6588
6589	DBGFR3FlowTraceRecordRelease(hRec);
6590	}
6591	}
6592
6593	if (RT_SUCCESS(rc))
6594	{
6595	/* Calculate the ASCII screen dimensions and create one. */
6596	uint32_t cchWidth = 0;
6597	uint32_t cchHeight = 0;
6598	for (unsigned i = 0; i < cRecords; i++)
6599	{
6600	PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
6601	cchWidth = RT_MAX(cchWidth, pDumpBb->cchWidth);
6602	cchHeight += pDumpBb->cchHeight;
6603
6604	/* Incomplete blocks don't have a successor. */
6605	if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
6606	continue;
6607
6608	cchHeight += 2; /* For the arrow down to the next basic block. */
6609	}
6610
6611
6612	DBGCSCREEN hScreen = NULL;
6613	rc = dbgcScreenAsciiCreate(&hScreen, cchWidth, cchHeight);
6614	if (RT_SUCCESS(rc))
6615	{
6616	uint32_t uY = 0;
6617
6618	/* Dump the basic blocks and connections to the immediate successor. */
6619	for (unsigned i = 0; i < cRecords; i++)
6620	{
6621	paDumpBb[i].uStartX = (cchWidth - paDumpBb[i].cchWidth) / 2;
6622	paDumpBb[i].uStartY = uY;
6623	dbgcCmdUnassembleCfgDumpBb(&paDumpBb[i], hScreen);
6624	uY += paDumpBb[i].cchHeight;
6625
6626	/* Incomplete blocks don't have a successor. */
6627	if (DBGFR3FlowBbGetFlags(paDumpBb[i].hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
6628	continue;
6629
6630	if (DBGFR3FlowBbGetType(paDumpBb[i].hFlowBb) != DBGFFLOWBBENDTYPE_EXIT)
6631	{
6632	/* Draw the arrow down to the next block. */
6633	dbgcScreenAsciiDrawCharacter(hScreen, cchWidth / 2, uY,
6634	'\|', DBGCSCREENCOLOR_BLUE_BRIGHT);
6635	uY++;
6636	dbgcScreenAsciiDrawCharacter(hScreen, cchWidth / 2, uY,
6637	'V', DBGCSCREENCOLOR_BLUE_BRIGHT);
6638	uY++;
6639	}
6640	}
6641
6642	rc = dbgcScreenAsciiBlit(hScreen, dbgcCmdUnassembleCfgBlit, pCmdHlp, false /fUseColor/);
6643	dbgcScreenAsciiDestroy(hScreen);
6644	}
6645	else
6646	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to create virtual screen for flow trace module %#x", iFlowTraceMod);
6647	}
6648	else
6649	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to query all records of flow trace module %#x", iFlowTraceMod);
6650
6651	for (unsigned i = 0; i < cRecords; i++)
6652	{
6653	if (paDumpBb[i].hFlowBb)
6654	DBGFR3FlowBbRelease(paDumpBb[i].hFlowBb);
6655	}
6656
6657	RTMemTmpFree(paDumpBb);
6658	}
6659	else
6660	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to allocate memory for %u records", cRecords);
6661
6662	DBGFR3FlowTraceReportRelease(hFlowTraceReport);
6663	}
6664	else
6665	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to query report for flow trace module %#x", iFlowTraceMod);
6666
6667	return rc;
6668	}
6669
6670
6671	/**
6672	* @callback_method_impl{FNDBGCCMD, The 'tflowp' (print trace flow) command.}
6673	*/
6674	static DECLCALLBACK(int) dbgcCmdTraceFlowPrint(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6675	{
6676	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
6677
6678	/*
6679	* Enumerate the arguments.
6680	*/
6681	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6682	int rc = VINF_SUCCESS;
6683	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
6684	{
6685	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
6686	{
6687	/* one */
6688	uint32_t iFlowTraceMod = (uint32_t)paArgs[iArg].u.u64Number;
6689	if (iFlowTraceMod == paArgs[iArg].u.u64Number)
6690	{
6691	PDBGCTFLOW pFlowTrace = dbgcFlowTraceModGet(pDbgc, iFlowTraceMod);
6692	if (pFlowTrace)
6693	rc = dbgcCmdTraceFlowPrintOne(pCmdHlp, pCmd, pFlowTrace->hTraceFlowMod,
6694	pFlowTrace->hFlow, pFlowTrace->iTraceFlowMod);
6695	else
6696	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, VERR_NOT_FOUND, "Flow trace module %#x doesn't exist", iFlowTraceMod);
6697	}
6698	else
6699	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Flow trace mod id %RX64 is too large", paArgs[iArg].u.u64Number);
6700	}
6701	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
6702	{
6703	/* all */
6704	PDBGCTFLOW pIt;
6705	RTListForEach(&pDbgc->LstTraceFlowMods, pIt, DBGCTFLOW, NdTraceFlow)
6706	{
6707	rc = dbgcCmdTraceFlowPrintOne(pCmdHlp, pCmd, pIt->hTraceFlowMod,
6708	pIt->hFlow, pIt->iTraceFlowMod);
6709	if (RT_FAILURE(rc))
6710	break;
6711	}
6712	}
6713	else
6714	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
6715	}
6716	return rc;
6717	}
6718
6719
6720	/**
6721	* @callback_method_impl{FNDBGCCMD, The 'tflowr' (reset trace flow) command.}
6722	*/
6723	static DECLCALLBACK(int) dbgcCmdTraceFlowReset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6724	{
6725	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
6726
6727	/*
6728	* Enumerate the arguments.
6729	*/
6730	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6731	int rc = VINF_SUCCESS;
6732	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
6733	{
6734	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
6735	{
6736	/* one */
6737	uint32_t iFlowTraceMod = (uint32_t)paArgs[iArg].u.u64Number;
6738	if (iFlowTraceMod == paArgs[iArg].u.u64Number)
6739	{
6740	PDBGCTFLOW pFlowTrace = dbgcFlowTraceModGet(pDbgc, iFlowTraceMod);
6741	if (pFlowTrace)
6742	{
6743	rc = DBGFR3FlowTraceModClear(pFlowTrace->hTraceFlowMod);
6744	if (RT_FAILURE(rc))
6745	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowTraceModClear failed for flow trace module %#x", iFlowTraceMod);
6746	}
6747	else
6748	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, VERR_NOT_FOUND, "Flow trace module %#x doesn't exist", iFlowTraceMod);
6749	}
6750	else
6751	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Flow trace mod id %RX64 is too large", paArgs[iArg].u.u64Number);
6752	}
6753	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
6754	{
6755	/* all */
6756	PDBGCTFLOW pIt;
6757	RTListForEach(&pDbgc->LstTraceFlowMods, pIt, DBGCTFLOW, NdTraceFlow)
6758	{
6759	rc = DBGFR3FlowTraceModClear(pIt->hTraceFlowMod);
6760	if (RT_FAILURE(rc))
6761	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowTraceModClear failed for flow trace module %#x", pIt->iTraceFlowMod);
6762	}
6763	}
6764	else
6765	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
6766	}
6767	return rc;
6768	}
6769
6770
6771
6772	/**
6773	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned 8-bit value.}
6774	*/
6775	static DECLCALLBACK(int) dbgcFuncReadU8(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6776	PDBGCVAR pResult)
6777	{
6778	RT_NOREF1(pUVM);
6779	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6780	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6781	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6782
6783	uint8_t b;
6784	int rc = DBGCCmdHlpMemRead(pCmdHlp, &b, sizeof(b), &paArgs[0], NULL);
6785	if (RT_FAILURE(rc))
6786	return rc;
6787	DBGCVAR_INIT_NUMBER(pResult, b);
6788
6789	NOREF(pFunc);
6790	return VINF_SUCCESS;
6791	}
6792
6793
6794	/**
6795	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned 16-bit value.}
6796	*/
6797	static DECLCALLBACK(int) dbgcFuncReadU16(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6798	PDBGCVAR pResult)
6799	{
6800	RT_NOREF1(pUVM);
6801	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6802	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6803	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6804
6805	uint16_t u16;
6806	int rc = DBGCCmdHlpMemRead(pCmdHlp, &u16, sizeof(u16), &paArgs[0], NULL);
6807	if (RT_FAILURE(rc))
6808	return rc;
6809	DBGCVAR_INIT_NUMBER(pResult, u16);
6810
6811	NOREF(pFunc);
6812	return VINF_SUCCESS;
6813	}
6814
6815
6816	/**
6817	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned 32-bit value.}
6818	*/
6819	static DECLCALLBACK(int) dbgcFuncReadU32(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6820	PDBGCVAR pResult)
6821	{
6822	RT_NOREF1(pUVM);
6823	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6824	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6825	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6826
6827	uint32_t u32;
6828	int rc = DBGCCmdHlpMemRead(pCmdHlp, &u32, sizeof(u32), &paArgs[0], NULL);
6829	if (RT_FAILURE(rc))
6830	return rc;
6831	DBGCVAR_INIT_NUMBER(pResult, u32);
6832
6833	NOREF(pFunc);
6834	return VINF_SUCCESS;
6835	}
6836
6837
6838	/**
6839	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned 64-bit value.}
6840	*/
6841	static DECLCALLBACK(int) dbgcFuncReadU64(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6842	PDBGCVAR pResult)
6843	{
6844	RT_NOREF1(pUVM);
6845	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6846	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6847	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6848
6849	uint64_t u64;
6850	int rc = DBGCCmdHlpMemRead(pCmdHlp, &u64, sizeof(u64), &paArgs[0], NULL);
6851	if (RT_FAILURE(rc))
6852	return rc;
6853	DBGCVAR_INIT_NUMBER(pResult, u64);
6854
6855	NOREF(pFunc);
6856	return VINF_SUCCESS;
6857	}
6858
6859
6860	/**
6861	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned pointer-sized value.}
6862	*/
6863	static DECLCALLBACK(int) dbgcFuncReadPtr(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6864	PDBGCVAR pResult)
6865	{
6866	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6867	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6868	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6869
6870	CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp);
6871	if (enmMode == CPUMMODE_LONG)
6872	return dbgcFuncReadU64(pFunc, pCmdHlp, pUVM, paArgs, cArgs, pResult);
6873	return dbgcFuncReadU32(pFunc, pCmdHlp, pUVM, paArgs, cArgs, pResult);
6874	}
6875
6876
6877	/**
6878	* @callback_method_impl{FNDBGCFUNC, The hi(value) function implementation.}
6879	*/
6880	static DECLCALLBACK(int) dbgcFuncHi(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6881	PDBGCVAR pResult)
6882	{
6883	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6884
6885	uint16_t uHi;
6886	switch (paArgs[0].enmType)
6887	{
6888	case DBGCVAR_TYPE_GC_FLAT: uHi = (uint16_t)(paArgs[0].u.GCFlat >> 16); break;
6889	case DBGCVAR_TYPE_GC_FAR: uHi = (uint16_t)paArgs[0].u.GCFar.sel; break;
6890	case DBGCVAR_TYPE_GC_PHYS: uHi = (uint16_t)(paArgs[0].u.GCPhys >> 16); break;
6891	case DBGCVAR_TYPE_HC_FLAT: uHi = (uint16_t)((uintptr_t)paArgs[0].u.pvHCFlat >> 16); break;
6892	case DBGCVAR_TYPE_HC_PHYS: uHi = (uint16_t)(paArgs[0].u.HCPhys >> 16); break;
6893	case DBGCVAR_TYPE_NUMBER: uHi = (uint16_t)(paArgs[0].u.u64Number >> 16); break;
6894	default:
6895	AssertFailedReturn(VERR_DBGC_PARSE_BUG);
6896	}
6897	DBGCVAR_INIT_NUMBER(pResult, uHi);
6898	DBGCVAR_SET_RANGE(pResult, paArgs[0].enmRangeType, paArgs[0].u64Range);
6899
6900	NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
6901	return VINF_SUCCESS;
6902	}
6903
6904
6905	/**
6906	* @callback_method_impl{FNDBGCFUNC, The low(value) function implementation.}
6907	*/
6908	static DECLCALLBACK(int) dbgcFuncLow(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6909	PDBGCVAR pResult)
6910	{
6911	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6912
6913	uint16_t uLow;
6914	switch (paArgs[0].enmType)
6915	{
6916	case DBGCVAR_TYPE_GC_FLAT: uLow = (uint16_t)paArgs[0].u.GCFlat; break;
6917	case DBGCVAR_TYPE_GC_FAR: uLow = (uint16_t)paArgs[0].u.GCFar.off; break;
6918	case DBGCVAR_TYPE_GC_PHYS: uLow = (uint16_t)paArgs[0].u.GCPhys; break;
6919	case DBGCVAR_TYPE_HC_FLAT: uLow = (uint16_t)(uintptr_t)paArgs[0].u.pvHCFlat; break;
6920	case DBGCVAR_TYPE_HC_PHYS: uLow = (uint16_t)paArgs[0].u.HCPhys; break;
6921	case DBGCVAR_TYPE_NUMBER: uLow = (uint16_t)paArgs[0].u.u64Number; break;
6922	default:
6923	AssertFailedReturn(VERR_DBGC_PARSE_BUG);
6924	}
6925	DBGCVAR_INIT_NUMBER(pResult, uLow);
6926	DBGCVAR_SET_RANGE(pResult, paArgs[0].enmRangeType, paArgs[0].u64Range);
6927
6928	NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
6929	return VINF_SUCCESS;
6930	}
6931
6932
6933	/**
6934	* @callback_method_impl{FNDBGCFUNC,The low(value) function implementation.}
6935	*/
6936	static DECLCALLBACK(int) dbgcFuncNot(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6937	PDBGCVAR pResult)
6938	{
6939	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6940	NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
6941	return DBGCCmdHlpEval(pCmdHlp, pResult, "!(%Dv)", &paArgs[0]);
6942	}
6943
6944
6945	/** Generic pointer argument wo/ range. */
6946	static const DBGCVARDESC g_aArgPointerWoRange[] =
6947	{
6948	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
6949	{ 1, 1, DBGCVAR_CAT_POINTER_NO_RANGE, 0, "value", "Address or number." },
6950	};
6951
6952	/** Generic pointer or number argument. */
6953	static const DBGCVARDESC g_aArgPointerNumber[] =
6954	{
6955	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
6956	{ 1, 1, DBGCVAR_CAT_POINTER_NUMBER, 0, "value", "Address or number." },
6957	};
6958
6959
6960
6961	/** Function descriptors for the CodeView / WinDbg emulation.
6962	* The emulation isn't attempting to be identical, only somewhat similar.
6963	*/
6964	const DBGCFUNC g_aFuncsCodeView[] =
6965	{
6966	{ "by", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU8, "address", "Reads a byte at the given address." },
6967	{ "dwo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU32, "address", "Reads a 32-bit value at the given address." },
6968	{ "hi", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncHi, "value", "Returns the high 16-bit bits of a value." },
6969	{ "low", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncLow, "value", "Returns the low 16-bit bits of a value." },
6970	{ "not", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncNot, "address", "Boolean NOT." },
6971	{ "poi", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadPtr, "address", "Reads a pointer sized (CS) value at the given address." },
6972	{ "qwo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU64, "address", "Reads a 32-bit value at the given address." },
6973	{ "wo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU16, "address", "Reads a 16-bit value at the given address." },
6974	};
6975
6976	/** The number of functions in the CodeView/WinDbg emulation. */
6977	const uint32_t g_cFuncsCodeView = RT_ELEMENTS(g_aFuncsCodeView);
6978

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source: vbox/trunk/src/VBox/Debugger/DBGCEmulateCodeView.cpp@ 88570

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