DBGCEmulateCodeView.cpp@ 99061

Last change on this file since 99061 was 99061, checked in by vboxsync, 21 months ago
Debugger/DBGCEmulateCodeView: Added a tip on how to specify a range while dump memory.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 313.0 KB

Line
1	/* $Id: DBGCEmulateCodeView.cpp 99061 2023-03-20 09:33:46Z vboxsync $ */
2	/** @file
3	* DBGC - Debugger Console, CodeView / WinDbg Emulation.
4	*/
5
6	/*
7	* Copyright (C) 2006-2023 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28
29	/*********************************************************************************************************************************
30	* Header Files *
31	*********************************************************************************************************************************/
32	#define LOG_GROUP LOG_GROUP_DBGC
33	#include <VBox/dbg.h>
34	#include <VBox/vmm/dbgf.h>
35	#include <VBox/vmm/dbgfflowtrace.h>
36	#include <VBox/vmm/pgm.h>
37	#include <VBox/vmm/cpum.h>
38	#include <VBox/dis.h>
39	#include <VBox/param.h>
40	#include <VBox/err.h>
41	#include <VBox/log.h>
42
43	#include <iprt/asm.h>
44	#include <iprt/mem.h>
45	#include <iprt/string.h>
46	#include <iprt/assert.h>
47	#include <iprt/ctype.h>
48	#include <iprt/time.h>
49
50	#include <stdlib.h>
51	#include <stdio.h>
52
53	#include "DBGCInternal.h"
54
55
56	/*********************************************************************************************************************************
57	* Internal Functions *
58	*********************************************************************************************************************************/
59	static FNDBGCCMD dbgcCmdBrkAccess;
60	static FNDBGCCMD dbgcCmdBrkClear;
61	static FNDBGCCMD dbgcCmdBrkDisable;
62	static FNDBGCCMD dbgcCmdBrkEnable;
63	static FNDBGCCMD dbgcCmdBrkList;
64	static FNDBGCCMD dbgcCmdBrkSet;
65	static FNDBGCCMD dbgcCmdBrkREM;
66	static FNDBGCCMD dbgcCmdDumpMem;
67	static FNDBGCCMD dbgcCmdDumpDT;
68	static FNDBGCCMD dbgcCmdDumpIDT;
69	static FNDBGCCMD dbgcCmdDumpPageDir;
70	static FNDBGCCMD dbgcCmdDumpPageDirBoth;
71	static FNDBGCCMD dbgcCmdDumpPageHierarchy;
72	static FNDBGCCMD dbgcCmdDumpPageTable;
73	static FNDBGCCMD dbgcCmdDumpPageTableBoth;
74	static FNDBGCCMD dbgcCmdDumpTSS;
75	static FNDBGCCMD dbgcCmdDumpTypeInfo;
76	static FNDBGCCMD dbgcCmdDumpTypedVal;
77	static FNDBGCCMD dbgcCmdEditMem;
78	static FNDBGCCMD dbgcCmdGo;
79	static FNDBGCCMD dbgcCmdGoUp;
80	static FNDBGCCMD dbgcCmdListModules;
81	static FNDBGCCMD dbgcCmdListNear;
82	static FNDBGCCMD dbgcCmdListSource;
83	static FNDBGCCMD dbgcCmdListSymbols;
84	static FNDBGCCMD dbgcCmdMemoryInfo;
85	static FNDBGCCMD dbgcCmdReg;
86	static FNDBGCCMD dbgcCmdRegGuest;
87	static FNDBGCCMD dbgcCmdRegTerse;
88	static FNDBGCCMD dbgcCmdSearchMem;
89	static FNDBGCCMD dbgcCmdSearchMemType;
90	static FNDBGCCMD dbgcCmdStepTrace;
91	static FNDBGCCMD dbgcCmdStepTraceTo;
92	static FNDBGCCMD dbgcCmdStepTraceToggle;
93	static FNDBGCCMD dbgcCmdEventCtrl;
94	static FNDBGCCMD dbgcCmdEventCtrlList;
95	static FNDBGCCMD dbgcCmdEventCtrlReset;
96	static FNDBGCCMD dbgcCmdStack;
97	static FNDBGCCMD dbgcCmdUnassemble;
98	static FNDBGCCMD dbgcCmdUnassembleCfg;
99	static FNDBGCCMD dbgcCmdTraceFlowClear;
100	static FNDBGCCMD dbgcCmdTraceFlowDisable;
101	static FNDBGCCMD dbgcCmdTraceFlowEnable;
102	static FNDBGCCMD dbgcCmdTraceFlowPrint;
103	static FNDBGCCMD dbgcCmdTraceFlowReset;
104
105
106	/*********************************************************************************************************************************
107	* Global Variables *
108	*********************************************************************************************************************************/
109	/** 'ba' arguments. */
110	static const DBGCVARDESC g_aArgBrkAcc[] =
111	{
112	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
113	{ 1, 1, DBGCVAR_CAT_STRING, 0, "access", "The access type: x=execute, rw=read/write (alias r), w=write, i=not implemented." },
114	{ 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." },
115	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
116	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
117	{ 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)" },
118	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
119	};
120
121
122	/** 'bc', 'bd', 'be' arguments. */
123	static const DBGCVARDESC g_aArgBrks[] =
124	{
125	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
126	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#bp", "Breakpoint number." },
127	{ 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All breakpoints." },
128	};
129
130
131	/** 'bp' arguments. */
132	static const DBGCVARDESC g_aArgBrkSet[] =
133	{
134	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
135	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
136	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
137	{ 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)" },
138	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
139	};
140
141
142	/** 'br' arguments. */
143	static const DBGCVARDESC g_aArgBrkREM[] =
144	{
145	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
146	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
147	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
148	{ 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)" },
149	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
150	};
151
152
153	/** 'd?' arguments. */
154	static const DBGCVARDESC g_aArgDumpMem[] =
155	{
156	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
157	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start dumping memory. Tip: Use the L or LB operator to specify how may items or bytes to dump." },
158	};
159
160
161	/** 'dg', 'dga', 'dl', 'dla' arguments. */
162	static const DBGCVARDESC g_aArgDumpDT[] =
163	{
164	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
165	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "sel", "Selector or selector range." },
166	{ 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Far address which selector should be dumped." },
167	};
168
169
170	/** 'di', 'dia' arguments. */
171	static const DBGCVARDESC g_aArgDumpIDT[] =
172	{
173	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
174	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "int", "The interrupt vector or interrupt vector range." },
175	};
176
177
178	/** 'dpd' arguments. /
179	static const DBGCVARDESC g_aArgDumpPD[] =
180	{
181	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
182	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "index", "Index into the page directory." },
183	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from. Range is applied to the page directory." },
184	};
185
186
187	/** 'dpda' arguments. */
188	static const DBGCVARDESC g_aArgDumpPDAddr[] =
189	{
190	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
191	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page directory entry to start dumping from." },
192	};
193
194
195	/** 'dph' arguments. /
196	static const DBGCVARDESC g_aArgDumpPH[] =
197	{
198	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
199	{ 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." },
200	{ 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." },
201	{ 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." },
202	};
203
204
205	/** 'dpt?' arguments. */
206	static const DBGCVARDESC g_aArgDumpPT[] =
207	{
208	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
209	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from." },
210	};
211
212
213	/** 'dpta' arguments. */
214	static const DBGCVARDESC g_aArgDumpPTAddr[] =
215	{
216	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
217	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page table entry to start dumping from." },
218	};
219
220
221	/** 'dt' arguments. */
222	static const DBGCVARDESC g_aArgDumpTSS[] =
223	{
224	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
225	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "tss", "TSS selector number." },
226	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "tss:ign\|addr", "TSS address. If the selector is a TSS selector, the offset will be ignored." }
227	};
228
229
230	/** 'dti' arguments. */
231	static const DBGCVARDESC g_aArgDumpTypeInfo[] =
232	{
233	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
234	{ 1, 1, DBGCVAR_CAT_STRING, 0, "type", "The type to dump" },
235	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "levels", "How many levels to dump the type information" }
236	};
237
238
239	/** 'dtv' arguments. */
240	static const DBGCVARDESC g_aArgDumpTypedVal[] =
241	{
242	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
243	{ 1, 1, DBGCVAR_CAT_STRING, 0, "type", "The type to use" },
244	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address to start dumping from." },
245	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "levels", "How many levels to dump" }
246	};
247
248
249	/** 'e?' arguments. */
250	static const DBGCVARDESC g_aArgEditMem[] =
251	{
252	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
253	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to write." },
254	{ 1, ~0U, DBGCVAR_CAT_NUMBER, 0, "value", "Value to write." },
255	};
256
257
258	/** 'g' arguments. */
259	static const DBGCVARDESC g_aArgGo[] =
260	{
261	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
262	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "idCpu", "CPU ID." },
263	};
264
265
266	/** 'lm' arguments. */
267	static const DBGCVARDESC g_aArgListMods[] =
268	{
269	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
270	{ 0, ~0U, DBGCVAR_CAT_STRING, 0, "module", "Module name." },
271	};
272
273
274	/** 'ln' arguments. */
275	static const DBGCVARDESC g_aArgListNear[] =
276	{
277	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
278	{ 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Address of the symbol to look up." },
279	{ 0, ~0U, DBGCVAR_CAT_SYMBOL, 0, "symbol", "Symbol to lookup." },
280	};
281
282
283	/** 'ls' arguments. */
284	static const DBGCVARDESC g_aArgListSource[] =
285	{
286	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
287	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start looking for source lines." },
288	};
289
290
291	/** 'm' argument. */
292	static const DBGCVARDESC g_aArgMemoryInfo[] =
293	{
294	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
295	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Pointer to obtain info about." },
296	};
297
298
299	/** 'p', 'pc', 'pt', 't', 'tc' and 'tt' arguments. */
300	static const DBGCVARDESC g_aArgStepTrace[] =
301	{
302	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
303	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "count", "Number of instructions or source lines to step." },
304	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed afterwards. Quote it!" },
305	};
306
307
308	/** 'pa' and 'ta' arguments. */
309	static const DBGCVARDESC g_aArgStepTraceTo[] =
310	{
311	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
312	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Where to stop" },
313	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed afterwards. Quote it!" },
314	};
315
316
317	/** 'r' arguments. */
318	static const DBGCVARDESC g_aArgReg[] =
319	{
320	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
321	{ 0, 1, DBGCVAR_CAT_SYMBOL, 0, "register", "Register to show or set." },
322	{ 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "=", "Equal sign." },
323	{ 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "value", "New register value." },
324	};
325
326
327	/** 's' arguments. */
328	static const DBGCVARDESC g_aArgSearchMem[] =
329	{
330	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
331	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-b", "Byte string." },
332	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-w", "Word string." },
333	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-d", "DWord string." },
334	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-q", "QWord string." },
335	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-a", "ASCII string." },
336	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-u", "Unicode string." },
337	{ 0, 1, DBGCVAR_CAT_OPTION_NUMBER, 0, "-n <Hits>", "Maximum number of hits." },
338	{ 0, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
339	{ 0, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
340	};
341
342
343	/** 's?' arguments. */
344	static const DBGCVARDESC g_aArgSearchMemType[] =
345	{
346	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
347	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
348	{ 1, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
349	};
350
351
352	/** 'sxe', 'sxn', 'sxi', 'sx-' arguments. */
353	static const DBGCVARDESC g_aArgEventCtrl[] =
354	{
355	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
356	{ 0, 1, DBGCVAR_CAT_STRING, 0, "-c", "The -c option, requires <cmds>." },
357	{ 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "cmds", "Command to execute on this event." },
358	{ 0 /weird/, ~0U, DBGCVAR_CAT_STRING, 0, "event", "One or more events, 'all' refering to all events." },
359	};
360
361	/** 'sx' and 'sr' arguments. */
362	static const DBGCVARDESC g_aArgEventCtrlOpt[] =
363	{
364	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
365	{ 0, ~0U, DBGCVAR_CAT_STRING, 0, "event", "Zero or more events, 'all' refering to all events and being the default." },
366	};
367
368	/** 'u' arguments. */
369	static const DBGCVARDESC g_aArgUnassemble[] =
370	{
371	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
372	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." },
373	};
374
375	/** 'ucfg' arguments. */
376	static const DBGCVARDESC g_aArgUnassembleCfg[] =
377	{
378	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
379	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." },
380	};
381
382	/** 'x' arguments. */
383	static const DBGCVARDESC g_aArgListSyms[] =
384	{
385	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
386	{ 1, 1, DBGCVAR_CAT_STRING, 0, "symbols", "The symbols to list, format is Module!Symbol with wildcards being supoprted." }
387	};
388
389	/** 'tflowc' arguments. */
390	static const DBGCVARDESC g_aArgTraceFlowClear[] =
391	{
392	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
393	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#tf", "Trace flow module number." },
394	{ 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All trace flow modules." },
395	};
396
397	/** 'tflowd' arguments. */
398	static const DBGCVARDESC g_aArgTraceFlowDisable[] =
399	{
400	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
401	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#tf", "Trace flow module number." },
402	{ 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All trace flow modules." },
403	};
404
405	/** 'tflowe' arguments. */
406	static const DBGCVARDESC g_aArgTraceFlowEnable[] =
407	{
408	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
409	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start tracing." },
410	{ 0, 1, DBGCVAR_CAT_OPTION_NUMBER, 0, "<Hits>", "Maximum number of hits before the module is disabled." }
411	};
412
413	/** 'tflowp', 'tflowr' arguments. */
414	static const DBGCVARDESC g_aArgTraceFlowPrintReset[] =
415	{
416	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
417	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#tf", "Trace flow module number." },
418	{ 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All trace flow modules." },
419	};
420
421	/** Command descriptors for the CodeView / WinDbg emulation.
422	* The emulation isn't attempting to be identical, only somewhat similar.
423	*/
424	const DBGCCMD g_aCmdsCodeView[] =
425	{
426	/* pszCmd, cArgsMin, cArgsMax, paArgDescs, cArgDescs, fFlags, pfnHandler pszSyntax, ....pszDescription */
427	{ "ba", 3, 6, &g_aArgBrkAcc[0], RT_ELEMENTS(g_aArgBrkAcc), 0, dbgcCmdBrkAccess, "<access> <size> <address> [passes [max passes]] [cmds]",
428	"Sets a data access breakpoint." },
429	{ "bc", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkClear, "all \| <bp#> [bp# []]", "Deletes a set of breakpoints." },
430	{ "bd", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkDisable, "all \| <bp#> [bp# []]", "Disables a set of breakpoints." },
431	{ "be", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkEnable, "all \| <bp#> [bp# []]", "Enables a set of breakpoints." },
432	{ "bl", 0, 0, NULL, 0, 0, dbgcCmdBrkList, "", "Lists all the breakpoints." },
433	{ "bp", 1, 4, &g_aArgBrkSet[0], RT_ELEMENTS(g_aArgBrkSet), 0, dbgcCmdBrkSet, "<address> [passes [max passes]] [cmds]",
434	"Sets a breakpoint (int 3)." },
435	{ "br", 1, 4, &g_aArgBrkREM[0], RT_ELEMENTS(g_aArgBrkREM), 0, dbgcCmdBrkREM, "<address> [passes [max passes]] [cmds]",
436	"Sets a recompiler specific breakpoint." },
437	{ "d", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory using last element size and type." },
438	{ "dF", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as far 16:16." },
439	{ "dFs", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as far 16:16 with near symbols." },
440	{ "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
441	{ "db", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in bytes." },
442	{ "dd", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in double words." },
443	{ "dds", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as double words with near symbols." },
444	{ "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
445	{ "dg", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT)." },
446	{ "dga", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT) including not-present entries." },
447	{ "di", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT)." },
448	{ "dia", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT) including not-present entries." },
449	{ "dl", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT)." },
450	{ "dla", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT) including not-present entries." },
451	{ "dpd", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr\|index]", "Dumps page directory entries of the default context." },
452	{ "dpda", 0, 1, &g_aArgDumpPDAddr[0],RT_ELEMENTS(g_aArgDumpPDAddr), 0, dbgcCmdDumpPageDir, "[addr]", "Dumps memory at given address as a page directory." },
453	{ "dpdb", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDirBoth, "[addr\|index]", "Dumps page directory entries of the guest and the hypervisor. " },
454	{ "dpdg", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr\|index]", "Dumps page directory entries of the guest." },
455	{ "dpdh", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr\|index]", "Dumps page directory entries of the hypervisor. " },
456	{ "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." },
457	{ "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." },
458	{ "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." },
459	{ "dp", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in mode sized words." },
460	{ "dps", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in mode sized words with near symbols." },
461	{ "dpt", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the default context." },
462	{ "dpta", 1, 1, &g_aArgDumpPTAddr[0],RT_ELEMENTS(g_aArgDumpPTAddr), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps memory at given address as a page table." },
463	{ "dptb", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTableBoth,"<addr>", "Dumps page table entries of the guest and the hypervisor." },
464	{ "dptg", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the guest." },
465	{ "dpth", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the hypervisor." },
466	{ "dq", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in quad words." },
467	{ "dqs", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as quad words with near symbols." },
468	{ "dt", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the task state segment (TSS)." },
469	{ "dt16", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the 16-bit task state segment (TSS)." },
470	{ "dt32", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the 32-bit task state segment (TSS)." },
471	{ "dt64", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the 64-bit task state segment (TSS)." },
472	{ "dti", 1, 2, &g_aArgDumpTypeInfo[0],RT_ELEMENTS(g_aArgDumpTypeInfo), 0, dbgcCmdDumpTypeInfo,"<type> [levels]", "Dump type information." },
473	{ "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." },
474	{ "du", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as unicode string (little endian)." },
475	{ "dw", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in words." },
476	/** @todo add 'e', 'ea str', 'eza str', 'eu str' and 'ezu str'. See also
477	* dbgcCmdSearchMem and its dbgcVarsToBytes usage. */
478	{ "eb", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 1-byte value to memory." },
479	{ "ew", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 2-byte value to memory." },
480	{ "ed", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 4-byte value to memory." },
481	{ "eq", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 8-byte value to memory." },
482	{ "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.)" },
483	{ "gu", 0, 0, NULL, 0, 0, dbgcCmdGoUp, "", "Go up - continue execution till after return." },
484	{ "k", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack." },
485	{ "kv", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Verbose callstack." },
486	{ "kg", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - guest." },
487	{ "kgv", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Verbose callstack - guest." },
488	{ "kh", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - hypervisor." },
489	{ "lm", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules." },
490	{ "lmv", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules, verbose." },
491	{ "lmo", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments." },
492	{ "lmov", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments, verbose." },
493	{ "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." },
494	{ "ls", 0, 1, &g_aArgListSource[0],RT_ELEMENTS(g_aArgListSource), 0, dbgcCmdListSource, "[addr]", "Source." },
495	{ "m", 1, 1, &g_aArgMemoryInfo[0],RT_ELEMENTS(g_aArgMemoryInfo), 0, dbgcCmdMemoryInfo, "<addr>", "Display information about that piece of memory." },
496	{ "p", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step over." },
497	{ "pr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." },
498	{ "pa", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Step to the given address." },
499	{ "pc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step to the next call instruction." },
500	{ "pt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step to the next return instruction." },
501	{ "r", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdReg, "[reg [[=] newval]]", "Show or set register(s) - active reg set." },
502	{ "rg", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegGuest, "[reg [[=] newval]]", "Show or set register(s) - guest reg set." },
503	{ "rg32", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 32-bit guest registers." },
504	{ "rg64", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 64-bit guest registers." },
505	{ "rt", 0, 0, NULL, 0, 0, dbgcCmdRegTerse, "", "Toggles terse / verbose register info." },
506	{ "s", 0, ~0U, &g_aArgSearchMem[0], RT_ELEMENTS(g_aArgSearchMem), 0, dbgcCmdSearchMem, "[options] <range> <pattern>", "Continue last search." },
507	{ "sa", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an ascii string." },
508	{ "sb", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more bytes." },
509	{ "sd", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more double words." },
510	{ "sq", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more quad words." },
511	{ "su", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an unicode string." },
512	{ "sw", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more words." },
513	{ "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." },
514	{ "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." },
515	{ "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." },
516	{ "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." },
517	{ "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." },
518	{ "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." },
519	{ "t", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace ." },
520	{ "tflowc", 1, ~0U, &g_aArgTraceFlowClear[0], RT_ELEMENTS(g_aArgTraceFlowClear), 0, dbgcCmdTraceFlowClear, "all \| <tf#> [tf# []]", "Clears trace execution flow for the given method." },
521	{ "tflowd", 0, 1, &g_aArgTraceFlowDisable[0], RT_ELEMENTS(g_aArgTraceFlowDisable), 0, dbgcCmdTraceFlowDisable, "all \| <tf#> [tf# []]", "Disables trace execution flow for the given method." },
522	{ "tflowe", 0, 2, &g_aArgTraceFlowEnable[0], RT_ELEMENTS(g_aArgTraceFlowEnable), 0, dbgcCmdTraceFlowEnable, "<addr> <hits>", "Enable trace execution flow of the given method." },
523	{ "tflowp", 0, 1, &g_aArgTraceFlowPrintReset[0], RT_ELEMENTS(g_aArgTraceFlowPrintReset), 0, dbgcCmdTraceFlowPrint, "all \| <tf#> [tf# []]", "Prints the collected trace data of the given method." },
524	{ "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." },
525	{ "tr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." },
526	{ "ta", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Trace to the given address." },
527	{ "tc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next call instruction." },
528	{ "tt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next return instruction." },
529	{ "u", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble." },
530	{ "u64", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 64-bit code." },
531	{ "u32", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 32-bit code." },
532	{ "u16", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code." },
533	{ "uv86", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code with v8086/real mode addressing." },
534	{ "ucfg", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph." },
535	{ "ucfgc", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph with colors." },
536	{ "x", 1, 1, &g_aArgListSyms[0], RT_ELEMENTS(g_aArgListSyms), 0, dbgcCmdListSymbols, "* \| <Module!Symbol>", "Examine symbols." },
537	};
538
539	/** The number of commands in the CodeView/WinDbg emulation. */
540	const uint32_t g_cCmdsCodeView = RT_ELEMENTS(g_aCmdsCodeView);
541
542
543	/**
544	* Selectable debug event descriptors.
545	*
546	* @remarks Sorted by DBGCSXEVT::enmType value.
547	*/
548	const DBGCSXEVT g_aDbgcSxEvents[] =
549	{
550	{ DBGFEVENT_INTERRUPT_HARDWARE, "hwint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Hardware interrupt" },
551	{ DBGFEVENT_INTERRUPT_SOFTWARE, "swint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Software interrupt" },
552	{ DBGFEVENT_TRIPLE_FAULT, "triplefault", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Enabled, 0, "Triple fault "},
553	{ DBGFEVENT_XCPT_DE, "xcpt_de", "de", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DE (integer divide error)" },
554	{ DBGFEVENT_XCPT_DB, "xcpt_db", "db", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DB (debug)" },
555	{ DBGFEVENT_XCPT_02, "xcpt_02", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
556	{ DBGFEVENT_XCPT_BP, "xcpt_bp", "bp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BP (breakpoint)" },
557	{ DBGFEVENT_XCPT_OF, "xcpt_of", "of", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#OF (overflow (INTO))" },
558	{ DBGFEVENT_XCPT_BR, "xcpt_br", "br", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BR (bound range exceeded)" },
559	{ DBGFEVENT_XCPT_UD, "xcpt_ud", "ud", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#UD (undefined opcode)" },
560	{ DBGFEVENT_XCPT_NM, "xcpt_nm", "nm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#NM (FPU not available)" },
561	{ DBGFEVENT_XCPT_DF, "xcpt_df", "df", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DF (double fault)" },
562	{ DBGFEVENT_XCPT_09, "xcpt_09", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "Coprocessor segment overrun" },
563	{ DBGFEVENT_XCPT_TS, "xcpt_ts", "ts", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#TS (task switch)" },
564	{ DBGFEVENT_XCPT_NP, "xcpt_np", "np", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#NP (segment not present)" },
565	{ DBGFEVENT_XCPT_SS, "xcpt_ss", "ss", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SS (stack segment fault)" },
566	{ DBGFEVENT_XCPT_GP, "xcpt_gp", "gp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#GP (general protection fault)" },
567	{ DBGFEVENT_XCPT_PF, "xcpt_pf", "pf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#PF (page fault)" },
568	{ DBGFEVENT_XCPT_0f, "xcpt_0f", "xcpt0f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
569	{ DBGFEVENT_XCPT_MF, "xcpt_mf", "mf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MF (math fault)" },
570	{ DBGFEVENT_XCPT_AC, "xcpt_ac", "ac", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#AC (alignment check)" },
571	{ DBGFEVENT_XCPT_MC, "xcpt_mc", "mc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MC (machine check)" },
572	{ DBGFEVENT_XCPT_XF, "xcpt_xf", "xf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#XF (SIMD floating-point exception)" },
573	{ DBGFEVENT_XCPT_VE, "xcpt_vd", "ve", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#VE (virtualization exception)" },
574	{ DBGFEVENT_XCPT_15, "xcpt_15", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
575	{ DBGFEVENT_XCPT_16, "xcpt_16", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
576	{ DBGFEVENT_XCPT_17, "xcpt_17", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
577	{ DBGFEVENT_XCPT_18, "xcpt_18", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
578	{ DBGFEVENT_XCPT_19, "xcpt_19", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
579	{ DBGFEVENT_XCPT_1a, "xcpt_1a", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
580	{ DBGFEVENT_XCPT_1b, "xcpt_1b", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
581	{ DBGFEVENT_XCPT_1c, "xcpt_1c", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
582	{ DBGFEVENT_XCPT_1d, "xcpt_1d", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
583	{ DBGFEVENT_XCPT_SX, "xcpt_sx", "sx", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SX (security exception)" },
584	{ DBGFEVENT_XCPT_1f, "xcpt_1f", "xcpt1f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
585	{ DBGFEVENT_INSTR_HALT, "instr_halt", "hlt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
586	{ DBGFEVENT_INSTR_MWAIT, "instr_mwait", "mwait", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
587	{ DBGFEVENT_INSTR_MONITOR, "instr_monitor", "monitor", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
588	{ DBGFEVENT_INSTR_CPUID, "instr_cpuid", "cpuid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
589	{ DBGFEVENT_INSTR_INVD, "instr_invd", "invd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
590	{ DBGFEVENT_INSTR_WBINVD, "instr_wbinvd", "wbinvd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
591	{ DBGFEVENT_INSTR_INVLPG, "instr_invlpg", "invlpg", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
592	{ DBGFEVENT_INSTR_RDTSC, "instr_rdtsc", "rdtsc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
593	{ DBGFEVENT_INSTR_RDTSCP, "instr_rdtscp", "rdtscp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
594	{ DBGFEVENT_INSTR_RDPMC, "instr_rdpmc", "rdpmc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
595	{ DBGFEVENT_INSTR_RDMSR, "instr_rdmsr", "rdmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
596	{ DBGFEVENT_INSTR_WRMSR, "instr_wrmsr", "wrmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
597	{ DBGFEVENT_INSTR_CRX_READ, "instr_crx_read", "crx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
598	{ DBGFEVENT_INSTR_CRX_WRITE, "instr_crx_write", "crx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
599	{ DBGFEVENT_INSTR_DRX_READ, "instr_drx_read", "drx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
600	{ DBGFEVENT_INSTR_DRX_WRITE, "instr_drx_write", "drx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
601	{ DBGFEVENT_INSTR_PAUSE, "instr_pause", "pause", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
602	{ DBGFEVENT_INSTR_XSETBV, "instr_xsetbv", "xsetbv", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
603	{ DBGFEVENT_INSTR_SIDT, "instr_sidt", "sidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
604	{ DBGFEVENT_INSTR_LIDT, "instr_lidt", "lidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
605	{ DBGFEVENT_INSTR_SGDT, "instr_sgdt", "sgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
606	{ DBGFEVENT_INSTR_LGDT, "instr_lgdt", "lgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
607	{ DBGFEVENT_INSTR_SLDT, "instr_sldt", "sldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
608	{ DBGFEVENT_INSTR_LLDT, "instr_lldt", "lldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
609	{ DBGFEVENT_INSTR_STR, "instr_str", "str", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
610	{ DBGFEVENT_INSTR_LTR, "instr_ltr", "ltr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
611	{ DBGFEVENT_INSTR_GETSEC, "instr_getsec", "getsec", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
612	{ DBGFEVENT_INSTR_RSM, "instr_rsm", "rsm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
613	{ DBGFEVENT_INSTR_RDRAND, "instr_rdrand", "rdrand", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
614	{ DBGFEVENT_INSTR_RDSEED, "instr_rdseed", "rdseed", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
615	{ DBGFEVENT_INSTR_XSAVES, "instr_xsaves", "xsaves", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
616	{ DBGFEVENT_INSTR_XRSTORS, "instr_xrstors", "xrstors", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
617	{ DBGFEVENT_INSTR_VMM_CALL, "instr_vmm_call", "vmm_call", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
618	{ DBGFEVENT_INSTR_VMX_VMCLEAR, "instr_vmx_vmclear", "vmclear", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
619	{ DBGFEVENT_INSTR_VMX_VMLAUNCH, "instr_vmx_vmlaunch", "vmlaunch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
620	{ DBGFEVENT_INSTR_VMX_VMPTRLD, "instr_vmx_vmptrld", "vmptrld", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
621	{ DBGFEVENT_INSTR_VMX_VMPTRST, "instr_vmx_vmptrst", "vmptrst", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
622	{ DBGFEVENT_INSTR_VMX_VMREAD, "instr_vmx_vmread", "vmread", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
623	{ DBGFEVENT_INSTR_VMX_VMRESUME, "instr_vmx_vmresume", "vmresume", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
624	{ DBGFEVENT_INSTR_VMX_VMWRITE, "instr_vmx_vmwrite", "vmwrite", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
625	{ DBGFEVENT_INSTR_VMX_VMXOFF, "instr_vmx_vmxoff", "vmxoff", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
626	{ DBGFEVENT_INSTR_VMX_VMXON, "instr_vmx_vmxon", "vmxon", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
627	{ DBGFEVENT_INSTR_VMX_VMFUNC, "instr_vmx_vmfunc", "vmfunc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
628	{ DBGFEVENT_INSTR_VMX_INVEPT, "instr_vmx_invept", "invept", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
629	{ DBGFEVENT_INSTR_VMX_INVVPID, "instr_vmx_invvpid", "invvpid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
630	{ DBGFEVENT_INSTR_VMX_INVPCID, "instr_vmx_invpcid", "invpcid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
631	{ DBGFEVENT_INSTR_SVM_VMRUN, "instr_svm_vmrun", "vmrun", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
632	{ DBGFEVENT_INSTR_SVM_VMLOAD, "instr_svm_vmload", "vmload", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
633	{ DBGFEVENT_INSTR_SVM_VMSAVE, "instr_svm_vmsave", "vmsave", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
634	{ DBGFEVENT_INSTR_SVM_STGI, "instr_svm_stgi", "stgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
635	{ DBGFEVENT_INSTR_SVM_CLGI, "instr_svm_clgi", "clgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
636	{ DBGFEVENT_EXIT_TASK_SWITCH, "exit_task_switch", "task_switch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
637	{ DBGFEVENT_EXIT_HALT, "exit_halt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
638	{ DBGFEVENT_EXIT_MWAIT, "exit_mwait", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
639	{ DBGFEVENT_EXIT_MONITOR, "exit_monitor", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
640	{ DBGFEVENT_EXIT_CPUID, "exit_cpuid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
641	{ DBGFEVENT_EXIT_INVD, "exit_invd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
642	{ DBGFEVENT_EXIT_WBINVD, "exit_wbinvd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
643	{ DBGFEVENT_EXIT_INVLPG, "exit_invlpg", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
644	{ DBGFEVENT_EXIT_RDTSC, "exit_rdtsc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
645	{ DBGFEVENT_EXIT_RDTSCP, "exit_rdtscp", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
646	{ DBGFEVENT_EXIT_RDPMC, "exit_rdpmc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
647	{ DBGFEVENT_EXIT_RDMSR, "exit_rdmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
648	{ DBGFEVENT_EXIT_WRMSR, "exit_wrmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
649	{ DBGFEVENT_EXIT_CRX_READ, "exit_crx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
650	{ DBGFEVENT_EXIT_CRX_WRITE, "exit_crx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
651	{ DBGFEVENT_EXIT_DRX_READ, "exit_drx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
652	{ DBGFEVENT_EXIT_DRX_WRITE, "exit_drx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
653	{ DBGFEVENT_EXIT_PAUSE, "exit_pause", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
654	{ DBGFEVENT_EXIT_XSETBV, "exit_xsetbv", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
655	{ DBGFEVENT_EXIT_SIDT, "exit_sidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
656	{ DBGFEVENT_EXIT_LIDT, "exit_lidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
657	{ DBGFEVENT_EXIT_SGDT, "exit_sgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
658	{ DBGFEVENT_EXIT_LGDT, "exit_lgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
659	{ DBGFEVENT_EXIT_SLDT, "exit_sldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
660	{ DBGFEVENT_EXIT_LLDT, "exit_lldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
661	{ DBGFEVENT_EXIT_STR, "exit_str", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
662	{ DBGFEVENT_EXIT_LTR, "exit_ltr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
663	{ DBGFEVENT_EXIT_GETSEC, "exit_getsec", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
664	{ DBGFEVENT_EXIT_RSM, "exit_rsm", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
665	{ DBGFEVENT_EXIT_RDRAND, "exit_rdrand", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
666	{ DBGFEVENT_EXIT_RDSEED, "exit_rdseed", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
667	{ DBGFEVENT_EXIT_XSAVES, "exit_xsaves", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
668	{ DBGFEVENT_EXIT_XRSTORS, "exit_xrstors", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
669	{ DBGFEVENT_EXIT_VMM_CALL, "exit_vmm_call", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
670	{ DBGFEVENT_EXIT_VMX_VMCLEAR, "exit_vmx_vmclear", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
671	{ DBGFEVENT_EXIT_VMX_VMLAUNCH, "exit_vmx_vmlaunch", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
672	{ DBGFEVENT_EXIT_VMX_VMPTRLD, "exit_vmx_vmptrld", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
673	{ DBGFEVENT_EXIT_VMX_VMPTRST, "exit_vmx_vmptrst", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
674	{ DBGFEVENT_EXIT_VMX_VMREAD, "exit_vmx_vmread", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
675	{ DBGFEVENT_EXIT_VMX_VMRESUME, "exit_vmx_vmresume", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
676	{ DBGFEVENT_EXIT_VMX_VMWRITE, "exit_vmx_vmwrite", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
677	{ DBGFEVENT_EXIT_VMX_VMXOFF, "exit_vmx_vmxoff", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
678	{ DBGFEVENT_EXIT_VMX_VMXON, "exit_vmx_vmxon", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
679	{ DBGFEVENT_EXIT_VMX_VMFUNC, "exit_vmx_vmfunc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
680	{ DBGFEVENT_EXIT_VMX_INVEPT, "exit_vmx_invept", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
681	{ DBGFEVENT_EXIT_VMX_INVVPID, "exit_vmx_invvpid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
682	{ DBGFEVENT_EXIT_VMX_INVPCID, "exit_vmx_invpcid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
683	{ DBGFEVENT_EXIT_VMX_EPT_VIOLATION, "exit_vmx_ept_violation", "eptvio", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
684	{ DBGFEVENT_EXIT_VMX_EPT_MISCONFIG, "exit_vmx_ept_misconfig", "eptmis", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
685	{ DBGFEVENT_EXIT_VMX_VAPIC_ACCESS, "exit_vmx_vapic_access", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
686	{ DBGFEVENT_EXIT_VMX_VAPIC_WRITE, "exit_vmx_vapic_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
687	{ DBGFEVENT_EXIT_SVM_VMRUN, "exit_svm_vmrun", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
688	{ DBGFEVENT_EXIT_SVM_VMLOAD, "exit_svm_vmload", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
689	{ DBGFEVENT_EXIT_SVM_VMSAVE, "exit_svm_vmsave", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
690	{ DBGFEVENT_EXIT_SVM_STGI, "exit_svm_stgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
691	{ DBGFEVENT_EXIT_SVM_CLGI, "exit_svm_clgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
692	{ DBGFEVENT_VMX_SPLIT_LOCK, "vmx_split_lock", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
693	{ DBGFEVENT_IOPORT_UNASSIGNED, "pio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
694	{ DBGFEVENT_IOPORT_UNUSED, "pio_unused", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
695	{ DBGFEVENT_MEMORY_UNASSIGNED, "mmio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
696	{ DBGFEVENT_MEMORY_ROM_WRITE, "rom_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
697	{ DBGFEVENT_BSOD_MSR, "bsod_msr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL },
698	{ DBGFEVENT_BSOD_EFI, "bsod_efi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL },
699	{ DBGFEVENT_BSOD_VMMDEV, "bsod_vmmdev", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL },
700	};
701	/** Number of entries in g_aDbgcSxEvents. */
702	const uint32_t g_cDbgcSxEvents = RT_ELEMENTS(g_aDbgcSxEvents);
703
704
705
706	/**
707	* @callback_method_impl{FNDBGCCMD, The 'g' command.}
708	*/
709	static DECLCALLBACK(int) dbgcCmdGo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
710	{
711	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
712
713	/*
714	* Parse arguments.
715	*/
716	VMCPUID idCpu = VMCPUID_ALL;
717	if (cArgs == 1)
718	{
719	VMCPUID cCpus = DBGFR3CpuGetCount(pUVM);
720	if (paArgs[0].u.u64Number >= cCpus)
721	return DBGCCmdHlpFail(pCmdHlp, pCmd, "idCpu %RU64 is out of range! Highest valid ID is %u.\n",
722	paArgs[0].u.u64Number, cCpus - 1);
723	idCpu = (VMCPUID)paArgs[0].u.u64Number;
724	}
725	else
726	Assert(cArgs == 0);
727
728	/*
729	* Try resume the VM or CPU.
730	*/
731	int rc = DBGFR3Resume(pUVM, idCpu);
732	if (RT_SUCCESS(rc))
733	{
734	Assert(rc == VINF_SUCCESS \|\| rc == VWRN_DBGF_ALREADY_RUNNING);
735	if (rc != VWRN_DBGF_ALREADY_RUNNING)
736	return VINF_SUCCESS;
737	if (idCpu == VMCPUID_ALL)
738	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The VM is already running");
739	return DBGCCmdHlpFail(pCmdHlp, pCmd, "CPU %u is already running", idCpu);
740	}
741	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3Resume");
742	}
743
744
745	/**
746	* @callback_method_impl{FNDBGCCMD, The 'gu' command.}
747	*/
748	static DECLCALLBACK(int) dbgcCmdGoUp(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
749	{
750	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
751	RT_NOREF(pCmd, paArgs, cArgs);
752
753	/* The simple way out. */
754	PDBGFADDRESS pStackPop = NULL; /** @todo try set up some stack limitations */
755	RTGCPTR cbStackPop = 0;
756	int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, DBGF_STEP_F_OVER \| DBGF_STEP_F_STOP_AFTER_RET, NULL, pStackPop, cbStackPop, _512K);
757	if (RT_SUCCESS(rc))
758	pDbgc->fReady = false;
759	else
760	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,DBGF_STEP_F_OVER \| DBGF_STEP_F_STOP_AFTER_RET,) failed");
761	return rc;
762	}
763
764
765	/**
766	* @callback_method_impl{FNDBGCCMD, The 'ba' command.}
767	*/
768	static DECLCALLBACK(int) dbgcCmdBrkAccess(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
769	{
770	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
771
772	/*
773	* Interpret access type.
774	*/
775	if ( !strchr("xrwi", paArgs[0].u.pszString[0])
776	\|\| paArgs[0].u.pszString[1])
777	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access type '%s' for '%s'. Valid types are 'e', 'r', 'w' and 'i'",
778	paArgs[0].u.pszString, pCmd->pszCmd);
779	uint8_t fType = 0;
780	switch (paArgs[0].u.pszString[0])
781	{
782	case 'x': fType = X86_DR7_RW_EO; break;
783	case 'r': fType = X86_DR7_RW_RW; break;
784	case 'w': fType = X86_DR7_RW_WO; break;
785	case 'i': fType = X86_DR7_RW_IO; break;
786	}
787
788	/*
789	* Validate size.
790	*/
791	if (fType == X86_DR7_RW_EO && paArgs[1].u.u64Number != 1)
792	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 'x' access type requires size 1!",
793	paArgs[1].u.u64Number, pCmd->pszCmd);
794	switch (paArgs[1].u.u64Number)
795	{
796	case 1:
797	case 2:
798	case 4:
799	break;
800	/case 8: - later/
801	default:
802	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 1, 2 or 4!",
803	paArgs[1].u.u64Number, pCmd->pszCmd);
804	}
805	uint8_t cb = (uint8_t)paArgs[1].u.u64Number;
806
807	/*
808	* Convert the pointer to a DBGF address.
809	*/
810	DBGFADDRESS Address;
811	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[2], &Address);
812	if (RT_FAILURE(rc))
813	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%DV,)", &paArgs[2]);
814
815	/*
816	* Pick out the optional arguments.
817	*/
818	uint64_t iHitTrigger = 0;
819	uint64_t iHitDisable = UINT64_MAX;
820	const char *pszCmds = NULL;
821	unsigned iArg = 3;
822	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
823	{
824	iHitTrigger = paArgs[iArg].u.u64Number;
825	iArg++;
826	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
827	{
828	iHitDisable = paArgs[iArg].u.u64Number;
829	iArg++;
830	}
831	}
832	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
833	{
834	pszCmds = paArgs[iArg].u.pszString;
835	iArg++;
836	}
837
838	/*
839	* Try set the breakpoint.
840	*/
841	uint32_t iBp;
842	rc = DBGFR3BpSetReg(pUVM, &Address, iHitTrigger, iHitDisable, fType, cb, &iBp);
843	if (RT_SUCCESS(rc))
844	{
845	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
846	rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
847	if (RT_SUCCESS(rc))
848	return DBGCCmdHlpPrintf(pCmdHlp, "Set access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
849	if (rc == VERR_DBGC_BP_EXISTS)
850	{
851	rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
852	if (RT_SUCCESS(rc))
853	return DBGCCmdHlpPrintf(pCmdHlp, "Updated access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
854	}
855	int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
856	AssertRC(rc2);
857	}
858	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set access breakpoint at %RGv", Address.FlatPtr);
859	}
860
861
862	/**
863	* @callback_method_impl{FNDBGCCMD, The 'bc' command.}
864	*/
865	static DECLCALLBACK(int) dbgcCmdBrkClear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
866	{
867	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
868
869	/*
870	* Enumerate the arguments.
871	*/
872	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
873	int rc = VINF_SUCCESS;
874	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
875	{
876	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
877	{
878	/* one */
879	uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
880	if (iBp == paArgs[iArg].u.u64Number)
881	{
882	int rc2 = DBGFR3BpClear(pUVM, iBp);
883	if (RT_FAILURE(rc2))
884	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
885	if (RT_SUCCESS(rc2) \|\| rc2 == VERR_DBGF_BP_NOT_FOUND)
886	dbgcBpDelete(pDbgc, iBp);
887	}
888	else
889	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
890	}
891	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
892	{
893	/* all */
894	PDBGCBP pBp = pDbgc->pFirstBp;
895	while (pBp)
896	{
897	uint32_t iBp = pBp->iBp;
898	pBp = pBp->pNext;
899
900	int rc2 = DBGFR3BpClear(pUVM, iBp);
901	if (RT_FAILURE(rc2))
902	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
903	if (RT_SUCCESS(rc2) \|\| rc2 == VERR_DBGF_BP_NOT_FOUND)
904	dbgcBpDelete(pDbgc, iBp);
905	}
906	}
907	else
908	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
909	}
910	return rc;
911	}
912
913
914	/**
915	* @callback_method_impl{FNDBGCCMD, The 'bd' command.}
916	*/
917	static DECLCALLBACK(int) dbgcCmdBrkDisable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
918	{
919	/*
920	* Enumerate the arguments.
921	*/
922	int rc = VINF_SUCCESS;
923	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
924	{
925	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
926	{
927	/* one */
928	uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
929	if (iBp == paArgs[iArg].u.u64Number)
930	{
931	rc = DBGFR3BpDisable(pUVM, iBp);
932	if (RT_FAILURE(rc))
933	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpDisable failed for breakpoint %#x", iBp);
934	}
935	else
936	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
937	}
938	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
939	{
940	/* all */
941	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
942	for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
943	{
944	int rc2 = DBGFR3BpDisable(pUVM, pBp->iBp);
945	if (RT_FAILURE(rc2))
946	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpDisable failed for breakpoint %#x", pBp->iBp);
947	}
948	}
949	else
950	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
951	}
952	return rc;
953	}
954
955
956	/**
957	* @callback_method_impl{FNDBGCCMD, The 'be' command.}
958	*/
959	static DECLCALLBACK(int) dbgcCmdBrkEnable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
960	{
961	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
962
963	/*
964	* Enumerate the arguments.
965	*/
966	int rc = VINF_SUCCESS;
967	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
968	{
969	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
970	{
971	/* one */
972	uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
973	if (iBp == paArgs[iArg].u.u64Number)
974	{
975	rc = DBGFR3BpEnable(pUVM, iBp);
976	if (RT_FAILURE(rc))
977	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnable failed for breakpoint %#x", iBp);
978	}
979	else
980	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
981	}
982	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
983	{
984	/* all */
985	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
986	for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
987	{
988	int rc2 = DBGFR3BpEnable(pUVM, pBp->iBp);
989	if (RT_FAILURE(rc2))
990	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpEnable failed for breakpoint %#x", pBp->iBp);
991	}
992	}
993	else
994	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
995	}
996	return rc;
997	}
998
999
1000	/**
1001	* Breakpoint enumeration callback function.
1002	*
1003	* @returns VBox status code. Any failure will stop the enumeration.
1004	* @param pUVM The user mode VM handle.
1005	* @param pvUser The user argument.
1006	* @param hBp The DBGF breakpoint handle.
1007	* @param pBp Pointer to the breakpoint information. (readonly)
1008	*/
1009	static DECLCALLBACK(int) dbgcEnumBreakpointsCallback(PUVM pUVM, void *pvUser, DBGFBP hBp, PCDBGFBPPUB pBp)
1010	{
1011	PDBGC pDbgc = (PDBGC)pvUser;
1012	PDBGCBP pDbgcBp = dbgcBpGet(pDbgc, hBp);
1013
1014	/*
1015	* BP type and size.
1016	*/
1017	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%#4x %c ", hBp, DBGF_BP_PUB_IS_ENABLED(pBp) ? 'e' : 'd');
1018	bool fHasAddress = false;
1019	switch (DBGF_BP_PUB_GET_TYPE(pBp))
1020	{
1021	case DBGFBPTYPE_INT3:
1022	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " p %RGv", pBp->u.Int3.GCPtr);
1023	fHasAddress = true;
1024	break;
1025	case DBGFBPTYPE_REG:
1026	{
1027	char chType;
1028	switch (pBp->u.Reg.fType)
1029	{
1030	case X86_DR7_RW_EO: chType = 'x'; break;
1031	case X86_DR7_RW_WO: chType = 'w'; break;
1032	case X86_DR7_RW_IO: chType = 'i'; break;
1033	case X86_DR7_RW_RW: chType = 'r'; break;
1034	default: chType = '?'; break;
1035
1036	}
1037	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%d %c %RGv", pBp->u.Reg.cb, chType, pBp->u.Reg.GCPtr);
1038	fHasAddress = true;
1039	break;
1040	}
1041
1042	/** @todo realign the list when I/O and MMIO breakpoint command have been added and it's possible to test this code. */
1043	case DBGFBPTYPE_PORT_IO:
1044	case DBGFBPTYPE_MMIO:
1045	{
1046	uint32_t fAccess = DBGF_BP_PUB_GET_TYPE(pBp) == DBGFBPTYPE_PORT_IO ? pBp->u.PortIo.fAccess : pBp->u.Mmio.fAccess;
1047	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, DBGF_BP_PUB_GET_TYPE(pBp) == DBGFBPTYPE_PORT_IO ? " i" : " m");
1048	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
1049	fAccess & DBGFBPIOACCESS_READ_MASK ? 'r' : '-',
1050	fAccess & DBGFBPIOACCESS_READ_BYTE ? '1' : '-',
1051	fAccess & DBGFBPIOACCESS_READ_WORD ? '2' : '-',
1052	fAccess & DBGFBPIOACCESS_READ_DWORD ? '4' : '-',
1053	fAccess & DBGFBPIOACCESS_READ_QWORD ? '8' : '-',
1054	fAccess & DBGFBPIOACCESS_READ_OTHER ? '+' : '-');
1055	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
1056	fAccess & DBGFBPIOACCESS_WRITE_MASK ? 'w' : '-',
1057	fAccess & DBGFBPIOACCESS_WRITE_BYTE ? '1' : '-',
1058	fAccess & DBGFBPIOACCESS_WRITE_WORD ? '2' : '-',
1059	fAccess & DBGFBPIOACCESS_WRITE_DWORD ? '4' : '-',
1060	fAccess & DBGFBPIOACCESS_WRITE_QWORD ? '8' : '-',
1061	fAccess & DBGFBPIOACCESS_WRITE_OTHER ? '+' : '-');
1062	if (DBGF_BP_PUB_GET_TYPE(pBp) == DBGFBPTYPE_PORT_IO)
1063	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04x-%04x",
1064	pBp->u.PortIo.uPort, pBp->u.PortIo.uPort + pBp->u.PortIo.cPorts - 1);
1065	else
1066	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%RGp LB %03x", pBp->u.Mmio.PhysAddr, pBp->u.Mmio.cb);
1067	break;
1068	}
1069
1070	default:
1071	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " unknown type %d!!", DBGF_BP_PUB_GET_TYPE(pBp));
1072	AssertFailed();
1073	break;
1074
1075	}
1076	if (pBp->iHitDisable == ~(uint64_t)0)
1077	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to ~0) ", pBp->cHits, pBp->iHitTrigger);
1078	else
1079	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to %04RX64)", pBp->cHits, pBp->iHitTrigger, pBp->iHitDisable);
1080
1081	/*
1082	* Try resolve the address if it has one.
1083	*/
1084	if (fHasAddress)
1085	{
1086	RTDBGSYMBOL Sym;
1087	RTINTPTR off;
1088	DBGFADDRESS Addr;
1089	int rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, pBp->u.GCPtr),
1090	RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL \| RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
1091	&off, &Sym, NULL);
1092	if (RT_SUCCESS(rc))
1093	{
1094	if (!off)
1095	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s", Sym.szName);
1096	else if (off > 0)
1097	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s+%RGv", Sym.szName, off);
1098	else
1099	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s-%RGv", Sym.szName, -off);
1100	}
1101	}
1102
1103	/*
1104	* The commands.
1105	*/
1106	if (pDbgcBp)
1107	{
1108	if (pDbgcBp->cchCmd)
1109	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n cmds: '%s'\n", pDbgcBp->szCmd);
1110	else
1111	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n");
1112	}
1113	else
1114	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " [unknown bp]\n");
1115
1116	return VINF_SUCCESS;
1117	}
1118
1119
1120	/**
1121	* @callback_method_impl{FNDBGCCMD, The 'bl' command.}
1122	*/
1123	static DECLCALLBACK(int) dbgcCmdBrkList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1124	{
1125	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1126	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs == 0);
1127	NOREF(paArgs);
1128
1129	/*
1130	* Enumerate the breakpoints.
1131	*/
1132	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1133	int rc = DBGFR3BpEnum(pUVM, dbgcEnumBreakpointsCallback, pDbgc);
1134	if (RT_FAILURE(rc))
1135	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnum");
1136	return rc;
1137	}
1138
1139
1140	/**
1141	* @callback_method_impl{FNDBGCCMD, The 'bp' command.}
1142	*/
1143	static DECLCALLBACK(int) dbgcCmdBrkSet(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1144	{
1145	/*
1146	* Convert the pointer to a DBGF address.
1147	*/
1148	DBGFADDRESS Address;
1149	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1150	if (RT_FAILURE(rc))
1151	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1152
1153	/*
1154	* Pick out the optional arguments.
1155	*/
1156	uint64_t iHitTrigger = 0;
1157	uint64_t iHitDisable = UINT64_MAX;
1158	const char *pszCmds = NULL;
1159	unsigned iArg = 1;
1160	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1161	{
1162	iHitTrigger = paArgs[iArg].u.u64Number;
1163	iArg++;
1164	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1165	{
1166	iHitDisable = paArgs[iArg].u.u64Number;
1167	iArg++;
1168	}
1169	}
1170	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1171	{
1172	pszCmds = paArgs[iArg].u.pszString;
1173	iArg++;
1174	}
1175
1176	/*
1177	* Try set the breakpoint.
1178	*/
1179	uint32_t iBp;
1180	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1181	rc = DBGFR3BpSetInt3(pUVM, pDbgc->idCpu, &Address, iHitTrigger, iHitDisable, &iBp);
1182	if (RT_SUCCESS(rc))
1183	{
1184	rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1185	if (RT_SUCCESS(rc))
1186	return DBGCCmdHlpPrintf(pCmdHlp, "Set breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1187	if (rc == VERR_DBGC_BP_EXISTS)
1188	{
1189	rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1190	if (RT_SUCCESS(rc))
1191	return DBGCCmdHlpPrintf(pCmdHlp, "Updated breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1192	}
1193	int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1194	AssertRC(rc2);
1195	}
1196	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set breakpoint at %RGv", Address.FlatPtr);
1197	}
1198
1199
1200	/**
1201	* @callback_method_impl{FNDBGCCMD, The 'br' command.}
1202	*/
1203	static DECLCALLBACK(int) dbgcCmdBrkREM(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1204	{
1205	/*
1206	* Convert the pointer to a DBGF address.
1207	*/
1208	DBGFADDRESS Address;
1209	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1210	if (RT_FAILURE(rc))
1211	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1212
1213	/*
1214	* Pick out the optional arguments.
1215	*/
1216	uint64_t iHitTrigger = 0;
1217	uint64_t iHitDisable = UINT64_MAX;
1218	const char *pszCmds = NULL;
1219	unsigned iArg = 1;
1220	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1221	{
1222	iHitTrigger = paArgs[iArg].u.u64Number;
1223	iArg++;
1224	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1225	{
1226	iHitDisable = paArgs[iArg].u.u64Number;
1227	iArg++;
1228	}
1229	}
1230	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1231	{
1232	pszCmds = paArgs[iArg].u.pszString;
1233	iArg++;
1234	}
1235
1236	/*
1237	* Try set the breakpoint.
1238	*/
1239	uint32_t iBp;
1240	rc = DBGFR3BpSetREM(pUVM, &Address, iHitTrigger, iHitDisable, &iBp);
1241	if (RT_SUCCESS(rc))
1242	{
1243	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1244	rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1245	if (RT_SUCCESS(rc))
1246	return DBGCCmdHlpPrintf(pCmdHlp, "Set REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1247	if (rc == VERR_DBGC_BP_EXISTS)
1248	{
1249	rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1250	if (RT_SUCCESS(rc))
1251	return DBGCCmdHlpPrintf(pCmdHlp, "Updated REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1252	}
1253	int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1254	AssertRC(rc2);
1255	}
1256	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set REM breakpoint at %RGv", Address.FlatPtr);
1257	}
1258
1259
1260	/**
1261	* Helps the unassmble ('u') command display symbols it starts at and passes.
1262	*
1263	* @param pUVM The user mode VM handle.
1264	* @param pCmdHlp The command helpers for printing via.
1265	* @param hDbgAs The address space to look up addresses in.
1266	* @param pAddress The current address.
1267	* @param pcbCallAgain Where to return the distance to the next check (in
1268	* instruction bytes).
1269	*/
1270	static void dbgcCmdUnassambleHelpListNear(PUVM pUVM, PDBGCCMDHLP pCmdHlp, RTDBGAS hDbgAs, PCDBGFADDRESS pAddress,
1271	PRTUINTPTR pcbCallAgain)
1272	{
1273	RTDBGSYMBOL Symbol;
1274	RTGCINTPTR offDispSym;
1275	int rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress,
1276	RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL \| RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
1277	&offDispSym, &Symbol, NULL);
1278	if (RT_FAILURE(rc) \|\| offDispSym > _1G)
1279	rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress,
1280	RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL \| RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
1281	&offDispSym, &Symbol, NULL);
1282	if (RT_SUCCESS(rc) && offDispSym < _1G)
1283	{
1284	if (!offDispSym)
1285	{
1286	DBGCCmdHlpPrintf(pCmdHlp, "%s:\n", Symbol.szName);
1287	*pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb;
1288	}
1289	else if (offDispSym > 0)
1290	{
1291	DBGCCmdHlpPrintf(pCmdHlp, "%s+%#llx:\n", Symbol.szName, (uint64_t)offDispSym);
1292	*pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb > (RTGCUINTPTR)offDispSym ? Symbol.cb - (RTGCUINTPTR)offDispSym : 1;
1293	}
1294	else
1295	{
1296	DBGCCmdHlpPrintf(pCmdHlp, "%s-%#llx:\n", Symbol.szName, (uint64_t)-offDispSym);
1297	*pcbCallAgain = !Symbol.cb ? 64 : (RTGCUINTPTR)-offDispSym + Symbol.cb;
1298	}
1299	}
1300	else
1301	*pcbCallAgain = UINT32_MAX;
1302	}
1303
1304
1305	/**
1306	* @callback_method_impl{FNDBGCCMD, The 'u' command.}
1307	*/
1308	static DECLCALLBACK(int) dbgcCmdUnassemble(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1309	{
1310	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1311
1312	/*
1313	* Validate input.
1314	*/
1315	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1316	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
1317	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 \|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
1318
1319	if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1320	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
1321
1322	/*
1323	* Check the desired mode.
1324	*/
1325	unsigned fFlags = DBGF_DISAS_FLAGS_NO_ADDRESS \| DBGF_DISAS_FLAGS_UNPATCHED_BYTES \| DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
1326	switch (pCmd->pszCmd[1])
1327	{
1328	default: AssertFailed(); RT_FALL_THRU();
1329	case '\0': fFlags \|= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
1330	case '6': fFlags \|= DBGF_DISAS_FLAGS_64BIT_MODE; break;
1331	case '3': fFlags \|= DBGF_DISAS_FLAGS_32BIT_MODE; break;
1332	case '1': fFlags \|= DBGF_DISAS_FLAGS_16BIT_MODE; break;
1333	case 'v': fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
1334	}
1335
1336	/** @todo should use DBGFADDRESS for everything */
1337
1338	/*
1339	* Find address.
1340	*/
1341	if (!cArgs)
1342	{
1343	if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1344	{
1345	#if defined(VBOX_VMM_TARGET_ARMV8)
1346	AssertReleaseFailed();
1347	#else
1348	/** @todo Batch query CS, RIP, CPU mode and flags. */
1349	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
1350	if (CPUMIsGuestIn64BitCode(pVCpu))
1351	{
1352	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
1353	pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
1354	}
1355	else
1356	{
1357	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
1358	pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
1359	pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
1360	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
1361	&& (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
1362	{
1363	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1364	fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
1365	}
1366	}
1367	#endif
1368
1369	fFlags \|= DBGF_DISAS_FLAGS_CURRENT_GUEST;
1370	}
1371	else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
1372	{
1373	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1374	fFlags \|= pDbgc->fDisasm & DBGF_DISAS_FLAGS_MODE_MASK;
1375	}
1376	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
1377	}
1378	else
1379	pDbgc->DisasmPos = paArgs[0];
1380	pDbgc->pLastPos = &pDbgc->DisasmPos;
1381
1382	/*
1383	* Range.
1384	*/
1385	switch (pDbgc->DisasmPos.enmRangeType)
1386	{
1387	case DBGCVAR_RANGE_NONE:
1388	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
1389	pDbgc->DisasmPos.u64Range = 10;
1390	break;
1391
1392	case DBGCVAR_RANGE_ELEMENTS:
1393	if (pDbgc->DisasmPos.u64Range > 2048)
1394	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
1395	break;
1396
1397	case DBGCVAR_RANGE_BYTES:
1398	if (pDbgc->DisasmPos.u64Range > 65536)
1399	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
1400	break;
1401
1402	default:
1403	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
1404	}
1405
1406	/*
1407	* Convert physical and host addresses to guest addresses.
1408	*/
1409	RTDBGAS hDbgAs = pDbgc->hDbgAs;
1410	int rc;
1411	switch (pDbgc->DisasmPos.enmType)
1412	{
1413	case DBGCVAR_TYPE_GC_FLAT:
1414	case DBGCVAR_TYPE_GC_FAR:
1415	break;
1416	case DBGCVAR_TYPE_GC_PHYS:
1417	hDbgAs = DBGF_AS_PHYS;
1418	RT_FALL_THRU();
1419	case DBGCVAR_TYPE_HC_FLAT:
1420	case DBGCVAR_TYPE_HC_PHYS:
1421	{
1422	DBGCVAR VarTmp;
1423	rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
1424	if (RT_FAILURE(rc))
1425	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
1426	pDbgc->DisasmPos = VarTmp;
1427	break;
1428	}
1429	default: AssertFailed(); break;
1430	}
1431
1432	DBGFADDRESS CurAddr;
1433	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1434	&& pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1435	DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1436	else
1437	{
1438	rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1439	if (RT_FAILURE(rc))
1440	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
1441	}
1442
1443	pDbgc->fDisasm = fFlags;
1444
1445	/*
1446	* Figure out where we are and display it. Also calculate when we need to
1447	* check for a new symbol if possible.
1448	*/
1449	RTGCUINTPTR cbCheckSymbol;
1450	dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1451
1452	/*
1453	* Do the disassembling.
1454	*/
1455	unsigned cTries = 32;
1456	int iRangeLeft = (int)pDbgc->DisasmPos.u64Range;
1457	if (iRangeLeft == 0) /* kludge for 'r'. */
1458	iRangeLeft = -1;
1459	for (;;)
1460	{
1461	/*
1462	* Disassemble the instruction.
1463	*/
1464	char szDis[256];
1465	uint32_t cbInstr = 1;
1466	if (pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FLAT)
1467	rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, DBGF_SEL_FLAT, pDbgc->DisasmPos.u.GCFlat, fFlags,
1468	&szDis[0], sizeof(szDis), &cbInstr);
1469	else
1470	rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, pDbgc->DisasmPos.u.GCFar.sel, pDbgc->DisasmPos.u.GCFar.off, fFlags,
1471	&szDis[0], sizeof(szDis), &cbInstr);
1472	if (RT_SUCCESS(rc))
1473	{
1474	/* print it */
1475	rc = DBGCCmdHlpPrintf(pCmdHlp, "%-16DV %s\n", &pDbgc->DisasmPos, &szDis[0]);
1476	if (RT_FAILURE(rc))
1477	return rc;
1478	}
1479	else
1480	{
1481	/* bitch. */
1482	int rc2 = DBGCCmdHlpPrintf(pCmdHlp, "Failed to disassemble instruction, skipping one byte.\n");
1483	if (RT_FAILURE(rc2))
1484	return rc2;
1485	if (cTries-- > 0)
1486	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Too many disassembly failures. Giving up");
1487	cbInstr = 1;
1488	}
1489
1490	/* advance */
1491	if (iRangeLeft < 0) /* 'r' */
1492	break;
1493	if (pDbgc->DisasmPos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
1494	iRangeLeft--;
1495	else
1496	iRangeLeft -= cbInstr;
1497	rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DisasmPos, "(%Dv) + %x", &pDbgc->DisasmPos, cbInstr);
1498	if (RT_FAILURE(rc))
1499	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpEval(,,'(%Dv) + %x')", &pDbgc->DisasmPos, cbInstr);
1500	if (iRangeLeft <= 0)
1501	break;
1502	fFlags &= ~DBGF_DISAS_FLAGS_CURRENT_GUEST;
1503
1504	/* Print next symbol? */
1505	if (cbCheckSymbol <= cbInstr)
1506	{
1507	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1508	&& pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1509	DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1510	else
1511	rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1512	if (RT_SUCCESS(rc))
1513	dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1514	else
1515	cbCheckSymbol = UINT32_MAX;
1516	}
1517	else
1518	cbCheckSymbol -= cbInstr;
1519	}
1520
1521	NOREF(pCmd);
1522	return VINF_SUCCESS;
1523	}
1524
1525
1526	/**
1527	* @callback_method_impl{FNDGCSCREENBLIT}
1528	*/
1529	static DECLCALLBACK(int) dbgcCmdUnassembleCfgBlit(const char psz, void pvUser)
1530	{
1531	PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
1532	return DBGCCmdHlpPrintf(pCmdHlp, "%s", psz);
1533	}
1534
1535
1536	/**
1537	* Checks whether both addresses are equal.
1538	*
1539	* @returns true if both addresses point to the same location, false otherwise.
1540	* @param pAddr1 First address.
1541	* @param pAddr2 Second address.
1542	*/
1543	static bool dbgcCmdUnassembleCfgAddrEqual(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1544	{
1545	return pAddr1->Sel == pAddr2->Sel
1546	&& pAddr1->off == pAddr2->off;
1547	}
1548
1549
1550	/**
1551	* Checks whether the first given address is lower than the second one.
1552	*
1553	* @returns true if both addresses point to the same location, false otherwise.
1554	* @param pAddr1 First address.
1555	* @param pAddr2 Second address.
1556	*/
1557	static bool dbgcCmdUnassembleCfgAddrLower(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1558	{
1559	return pAddr1->Sel == pAddr2->Sel
1560	&& pAddr1->off < pAddr2->off;
1561	}
1562
1563
1564	/**
1565	* Calculates the size required for the given basic block including the
1566	* border and spacing on the edges.
1567	*
1568	* @returns nothing.
1569	* @param hFlowBb The basic block handle.
1570	* @param pDumpBb The dumper state to fill in for the basic block.
1571	*/
1572	static void dbgcCmdUnassembleCfgDumpCalcBbSize(DBGFFLOWBB hFlowBb, PDBGCFLOWBBDUMP pDumpBb)
1573	{
1574	uint32_t fFlags = DBGFR3FlowBbGetFlags(hFlowBb);
1575	uint32_t cInstr = DBGFR3FlowBbGetInstrCount(hFlowBb);
1576
1577	pDumpBb->hFlowBb = hFlowBb;
1578	pDumpBb->cchHeight = cInstr + 4; /* Include spacing and border top and bottom. */
1579	pDumpBb->cchWidth = 0;
1580	DBGFR3FlowBbGetStartAddress(hFlowBb, &pDumpBb->AddrStart);
1581
1582	DBGFFLOWBBENDTYPE enmType = DBGFR3FlowBbGetType(hFlowBb);
1583	if ( enmType == DBGFFLOWBBENDTYPE_COND
1584	\|\| enmType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1585	\|\| enmType == DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP)
1586	DBGFR3FlowBbGetBranchAddress(hFlowBb, &pDumpBb->AddrTarget);
1587
1588	if (fFlags & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1589	{
1590	const char *pszErr = NULL;
1591	DBGFR3FlowBbQueryError(hFlowBb, &pszErr);
1592	if (pszErr)
1593	{
1594	pDumpBb->cchHeight++;
1595	pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszErr));
1596	}
1597	}
1598	for (unsigned i = 0; i < cInstr; i++)
1599	{
1600	const char *pszInstr = NULL;
1601	int rc = DBGFR3FlowBbQueryInstr(hFlowBb, i, NULL, NULL, &pszInstr);
1602	AssertRC(rc);
1603	pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszInstr));
1604	}
1605	pDumpBb->cchWidth += 4; /* Include spacing and border left and right. */
1606	}
1607
1608
1609	/**
1610	* Dumps a top or bottom boundary line.
1611	*
1612	* @returns nothing.
1613	* @param hScreen The screen to draw to.
1614	* @param uStartX Where to start drawing the boundary.
1615	* @param uStartY Y coordinate.
1616	* @param cchWidth Width of the boundary.
1617	* @param enmColor The color to use for drawing.
1618	*/
1619	static void dbgcCmdUnassembleCfgDumpBbBoundary(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1620	DBGCSCREENCOLOR enmColor)
1621	{
1622	dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '+', enmColor);
1623	dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1624	uStartY, '-', enmColor);
1625	dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '+', enmColor);
1626	}
1627
1628
1629	/**
1630	* Dumps a spacing line between the top or bottom boundary and the actual disassembly.
1631	*
1632	* @returns nothing.
1633	* @param hScreen The screen to draw to.
1634	* @param uStartX Where to start drawing the spacing.
1635	* @param uStartY Y coordinate.
1636	* @param cchWidth Width of the spacing.
1637	* @param enmColor The color to use for drawing.
1638	*/
1639	static void dbgcCmdUnassembleCfgDumpBbSpacing(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1640	DBGCSCREENCOLOR enmColor)
1641	{
1642	dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '\|', enmColor);
1643	dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1644	uStartY, ' ', enmColor);
1645	dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '\|', enmColor);
1646	}
1647
1648
1649	/**
1650	* Writes a given text to the screen.
1651	*
1652	* @returns nothing.
1653	* @param hScreen The screen to draw to.
1654	* @param uStartX Where to start drawing the line.
1655	* @param uStartY Y coordinate.
1656	* @param cchWidth Maximum width of the text.
1657	* @param pszText The text to write.
1658	* @param enmTextColor The color to use for drawing the text.
1659	* @param enmBorderColor The color to use for drawing the border.
1660	*/
1661	static void dbgcCmdUnassembleCfgDumpBbText(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY,
1662	uint32_t cchWidth, const char *pszText,
1663	DBGCSCREENCOLOR enmTextColor, DBGCSCREENCOLOR enmBorderColor)
1664	{
1665	dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '\|', enmBorderColor);
1666	dbgcScreenAsciiDrawCharacter(hScreen, uStartX + 1, uStartY, ' ', enmTextColor);
1667	dbgcScreenAsciiDrawString(hScreen, uStartX + 2, uStartY, pszText, enmTextColor);
1668	dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '\|', enmBorderColor);
1669	}
1670
1671
1672	/**
1673	* Dumps one basic block using the dumper callback.
1674	*
1675	* @returns nothing.
1676	* @param pDumpBb The basic block dump state to dump.
1677	* @param hScreen The screen to draw to.
1678	*/
1679	static void dbgcCmdUnassembleCfgDumpBb(PDBGCFLOWBBDUMP pDumpBb, DBGCSCREEN hScreen)
1680	{
1681	uint32_t uStartY = pDumpBb->uStartY;
1682	bool fError = RT_BOOL(DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR);
1683	DBGCSCREENCOLOR enmColor = fError ? DBGCSCREENCOLOR_RED_BRIGHT : DBGCSCREENCOLOR_DEFAULT;
1684
1685	dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1686	uStartY++;
1687	dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1688	uStartY++;
1689
1690	uint32_t cInstr = DBGFR3FlowBbGetInstrCount(pDumpBb->hFlowBb);
1691	for (unsigned i = 0; i < cInstr; i++)
1692	{
1693	const char *pszInstr = NULL;
1694	DBGFR3FlowBbQueryInstr(pDumpBb->hFlowBb, i, NULL, NULL, &pszInstr);
1695	dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY + i,
1696	pDumpBb->cchWidth, pszInstr, DBGCSCREENCOLOR_DEFAULT,
1697	enmColor);
1698	}
1699	uStartY += cInstr;
1700
1701	if (fError)
1702	{
1703	const char *pszErr = NULL;
1704	DBGFR3FlowBbQueryError(pDumpBb->hFlowBb, &pszErr);
1705	if (pszErr)
1706	dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY,
1707	pDumpBb->cchWidth, pszErr, enmColor,
1708	enmColor);
1709	uStartY++;
1710	}
1711
1712	dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1713	uStartY++;
1714	dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1715	uStartY++;
1716	}
1717
1718
1719	/**
1720	* Dumps one branch table using the dumper callback.
1721	*
1722	* @returns nothing.
1723	* @param pDumpBranchTbl The basic block dump state to dump.
1724	* @param hScreen The screen to draw to.
1725	*/
1726	static void dbgcCmdUnassembleCfgDumpBranchTbl(PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl, DBGCSCREEN hScreen)
1727	{
1728	uint32_t uStartY = pDumpBranchTbl->uStartY;
1729	DBGCSCREENCOLOR enmColor = DBGCSCREENCOLOR_CYAN_BRIGHT;
1730
1731	dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1732	uStartY++;
1733	dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1734	uStartY++;
1735
1736	uint32_t cSlots = DBGFR3FlowBranchTblGetSlots(pDumpBranchTbl->hFlowBranchTbl);
1737	for (unsigned i = 0; i < cSlots; i++)
1738	{
1739	DBGFADDRESS Addr;
1740	char szAddr[128];
1741
1742	RT_ZERO(szAddr);
1743	DBGFR3FlowBranchTblGetAddrAtSlot(pDumpBranchTbl->hFlowBranchTbl, i, &Addr);
1744
1745	if (Addr.Sel == DBGF_SEL_FLAT)
1746	RTStrPrintf(&szAddr[0], sizeof(szAddr), "%RGv", Addr.FlatPtr);
1747	else
1748	RTStrPrintf(&szAddr[0], sizeof(szAddr), "%04x:%RGv", Addr.Sel, Addr.off);
1749
1750	dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBranchTbl->uStartX, uStartY + i,
1751	pDumpBranchTbl->cchWidth, &szAddr[0], DBGCSCREENCOLOR_DEFAULT,
1752	enmColor);
1753	}
1754	uStartY += cSlots;
1755
1756	dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1757	uStartY++;
1758	dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1759	uStartY++;
1760	}
1761
1762
1763	/**
1764	* Fills in the dump states for the basic blocks and branch tables.
1765	*
1766	* @returns VBox status code.
1767	* @param hFlowIt The control flow graph iterator handle.
1768	* @param hFlowBranchTblIt The control flow graph branch table iterator handle.
1769	* @param paDumpBb The array of basic block dump states.
1770	* @param paDumpBranchTbl The array of branch table dump states.
1771	* @param cBbs Number of basic blocks.
1772	* @param cBranchTbls Number of branch tables.
1773	*/
1774	static int dbgcCmdUnassembleCfgDumpCalcDimensions(DBGFFLOWIT hFlowIt, DBGFFLOWBRANCHTBLIT hFlowBranchTblIt,
1775	PDBGCFLOWBBDUMP paDumpBb, PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl,
1776	uint32_t cBbs, uint32_t cBranchTbls)
1777	{
1778	RT_NOREF2(cBbs, cBranchTbls);
1779
1780	/* Calculate the sizes of each basic block first. */
1781	DBGFFLOWBB hFlowBb = DBGFR3FlowItNext(hFlowIt);
1782	uint32_t idx = 0;
1783	while (hFlowBb)
1784	{
1785	dbgcCmdUnassembleCfgDumpCalcBbSize(hFlowBb, &paDumpBb[idx]);
1786	idx++;
1787	hFlowBb = DBGFR3FlowItNext(hFlowIt);
1788	}
1789
1790	if (paDumpBranchTbl)
1791	{
1792	idx = 0;
1793	DBGFFLOWBRANCHTBL hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1794	while (hFlowBranchTbl)
1795	{
1796	paDumpBranchTbl[idx].hFlowBranchTbl = hFlowBranchTbl;
1797	paDumpBranchTbl[idx].cchHeight = DBGFR3FlowBranchTblGetSlots(hFlowBranchTbl) + 4; /* Spacing and border. */
1798	paDumpBranchTbl[idx].cchWidth = 25 + 4; /* Spacing and border. */
1799	idx++;
1800	hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1801	}
1802	}
1803
1804	return VINF_SUCCESS;
1805	}
1806
1807	/**
1808	* Dumps the given control flow graph to the output.
1809	*
1810	* @returns VBox status code.
1811	* @param hCfg The control flow graph handle.
1812	* @param fUseColor Flag whether the output should be colorized.
1813	* @param pCmdHlp The command helper callback table.
1814	*/
1815	static int dbgcCmdUnassembleCfgDump(DBGFFLOW hCfg, bool fUseColor, PDBGCCMDHLP pCmdHlp)
1816	{
1817	int rc = VINF_SUCCESS;
1818	DBGFFLOWIT hCfgIt = NULL;
1819	DBGFFLOWBRANCHTBLIT hFlowBranchTblIt = NULL;
1820	uint32_t cBbs = DBGFR3FlowGetBbCount(hCfg);
1821	uint32_t cBranchTbls = DBGFR3FlowGetBranchTblCount(hCfg);
1822	PDBGCFLOWBBDUMP paDumpBb = (PDBGCFLOWBBDUMP)RTMemTmpAllocZ(cBbs * sizeof(DBGCFLOWBBDUMP));
1823	PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl = NULL;
1824
1825	if (cBranchTbls)
1826	paDumpBranchTbl = (PDBGCFLOWBRANCHTBLDUMP)RTMemAllocZ(cBranchTbls * sizeof(DBGCFLOWBRANCHTBLDUMP));
1827
1828	if (RT_UNLIKELY(!paDumpBb \|\| (!paDumpBranchTbl && cBranchTbls > 0)))
1829	rc = VERR_NO_MEMORY;
1830	if (RT_SUCCESS(rc))
1831	rc = DBGFR3FlowItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hCfgIt);
1832	if (RT_SUCCESS(rc) && cBranchTbls > 0)
1833	rc = DBGFR3FlowBranchTblItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hFlowBranchTblIt);
1834
1835	if (RT_SUCCESS(rc))
1836	{
1837	rc = dbgcCmdUnassembleCfgDumpCalcDimensions(hCfgIt, hFlowBranchTblIt, paDumpBb, paDumpBranchTbl,
1838	cBbs, cBranchTbls);
1839
1840	/* Calculate the ASCII screen dimensions and create one. */
1841	uint32_t cchWidth = 0;
1842	uint32_t cchLeftExtra = 5;
1843	uint32_t cchRightExtra = 5;
1844	uint32_t cchHeight = 0;
1845	for (unsigned i = 0; i < cBbs; i++)
1846	{
1847	PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1848	cchWidth = RT_MAX(cchWidth, pDumpBb->cchWidth);
1849	cchHeight += pDumpBb->cchHeight;
1850
1851	/* Incomplete blocks don't have a successor. */
1852	if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1853	continue;
1854
1855	switch (DBGFR3FlowBbGetType(pDumpBb->hFlowBb))
1856	{
1857	case DBGFFLOWBBENDTYPE_EXIT:
1858	case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1859	break;
1860	case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1861	if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1862	\|\| dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1863	cchLeftExtra++;
1864	else
1865	cchRightExtra++;
1866	break;
1867	case DBGFFLOWBBENDTYPE_UNCOND:
1868	cchHeight += 2; /* For the arrow down to the next basic block. */
1869	break;
1870	case DBGFFLOWBBENDTYPE_COND:
1871	cchHeight += 2; /* For the arrow down to the next basic block. */
1872	if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1873	\|\| dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1874	cchLeftExtra++;
1875	else
1876	cchRightExtra++;
1877	break;
1878	case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1879	default:
1880	AssertFailed();
1881	}
1882	}
1883
1884	for (unsigned i = 0; i < cBranchTbls; i++)
1885	{
1886	PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl = &paDumpBranchTbl[i];
1887	cchWidth = RT_MAX(cchWidth, pDumpBranchTbl->cchWidth);
1888	cchHeight += pDumpBranchTbl->cchHeight;
1889	}
1890
1891	cchWidth += 2;
1892
1893	DBGCSCREEN hScreen = NULL;
1894	rc = dbgcScreenAsciiCreate(&hScreen, cchWidth + cchLeftExtra + cchRightExtra, cchHeight);
1895	if (RT_SUCCESS(rc))
1896	{
1897	uint32_t uY = 0;
1898
1899	/* Dump the branch tables first. */
1900	for (unsigned i = 0; i < cBranchTbls; i++)
1901	{
1902	paDumpBranchTbl[i].uStartX = cchLeftExtra + (cchWidth - paDumpBranchTbl[i].cchWidth) / 2;
1903	paDumpBranchTbl[i].uStartY = uY;
1904	dbgcCmdUnassembleCfgDumpBranchTbl(&paDumpBranchTbl[i], hScreen);
1905	uY += paDumpBranchTbl[i].cchHeight;
1906	}
1907
1908	/* Dump the basic blocks and connections to the immediate successor. */
1909	for (unsigned i = 0; i < cBbs; i++)
1910	{
1911	paDumpBb[i].uStartX = cchLeftExtra + (cchWidth - paDumpBb[i].cchWidth) / 2;
1912	paDumpBb[i].uStartY = uY;
1913	dbgcCmdUnassembleCfgDumpBb(&paDumpBb[i], hScreen);
1914	uY += paDumpBb[i].cchHeight;
1915
1916	/* Incomplete blocks don't have a successor. */
1917	if (DBGFR3FlowBbGetFlags(paDumpBb[i].hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1918	continue;
1919
1920	switch (DBGFR3FlowBbGetType(paDumpBb[i].hFlowBb))
1921	{
1922	case DBGFFLOWBBENDTYPE_EXIT:
1923	case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1924	case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1925	case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1926	break;
1927	case DBGFFLOWBBENDTYPE_UNCOND:
1928	/* Draw the arrow down to the next block. */
1929	dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1930	'\|', DBGCSCREENCOLOR_BLUE_BRIGHT);
1931	uY++;
1932	dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1933	'V', DBGCSCREENCOLOR_BLUE_BRIGHT);
1934	uY++;
1935	break;
1936	case DBGFFLOWBBENDTYPE_COND:
1937	/* Draw the arrow down to the next block. */
1938	dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1939	'\|', DBGCSCREENCOLOR_RED_BRIGHT);
1940	uY++;
1941	dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1942	'V', DBGCSCREENCOLOR_RED_BRIGHT);
1943	uY++;
1944	break;
1945	default:
1946	AssertFailed();
1947	}
1948	}
1949
1950	/* Last pass, connect all remaining branches. */
1951	uint32_t uBackConns = 0;
1952	uint32_t uFwdConns = 0;
1953	for (unsigned i = 0; i < cBbs; i++)
1954	{
1955	PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1956	DBGFFLOWBBENDTYPE enmEndType = DBGFR3FlowBbGetType(pDumpBb->hFlowBb);
1957
1958	/* Incomplete blocks don't have a successor. */
1959	if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1960	continue;
1961
1962	switch (enmEndType)
1963	{
1964	case DBGFFLOWBBENDTYPE_EXIT:
1965	case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1966	case DBGFFLOWBBENDTYPE_UNCOND:
1967	break;
1968	case DBGFFLOWBBENDTYPE_COND:
1969	case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1970	{
1971	/* Find the target first to get the coordinates. */
1972	PDBGCFLOWBBDUMP pDumpBbTgt = NULL;
1973	for (unsigned idxDumpBb = 0; idxDumpBb < cBbs; idxDumpBb++)
1974	{
1975	pDumpBbTgt = &paDumpBb[idxDumpBb];
1976	if (dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBbTgt->AddrStart))
1977	break;
1978	}
1979
1980	DBGCSCREENCOLOR enmColor = enmEndType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1981	? DBGCSCREENCOLOR_YELLOW_BRIGHT
1982	: DBGCSCREENCOLOR_GREEN_BRIGHT;
1983
1984	/*
1985	* Use the right side for targets with higher addresses,
1986	* left when jumping backwards.
1987	*/
1988	if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1989	\|\| dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1990	{
1991	/* Going backwards. */
1992	uint32_t uXVerLine = /cchLeftExtra - 1 -/ uBackConns + 1;
1993	uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
1994	uBackConns++;
1995
1996	/* Draw the arrow pointing to the target block. */
1997	dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX - 1, pDumpBbTgt->uStartY,
1998	'>', enmColor);
1999	/* Draw the horizontal line. */
2000	dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBbTgt->uStartX - 2,
2001	pDumpBbTgt->uStartY, '-', enmColor);
2002	dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
2003	enmColor);
2004	/* Draw the vertical line down to the source block. */
2005	dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, pDumpBbTgt->uStartY + 1, uYHorLine - 1,
2006	'\|', enmColor);
2007	dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
2008	/* Draw the horizontal connection between the source block and vertical part. */
2009	dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBb->uStartX - 1,
2010	uYHorLine, '-', enmColor);
2011
2012	}
2013	else
2014	{
2015	/* Going forward. */
2016	uint32_t uXVerLine = cchWidth + cchLeftExtra + (cchRightExtra - uFwdConns) - 1;
2017	uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
2018	uFwdConns++;
2019
2020	/* Draw the horizontal line. */
2021	dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBb->uStartX + pDumpBb->cchWidth,
2022	uXVerLine - 1, uYHorLine, '-', enmColor);
2023	dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
2024	/* Draw the vertical line down to the target block. */
2025	dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, uYHorLine + 1, pDumpBbTgt->uStartY - 1,
2026	'\|', enmColor);
2027	/* Draw the horizontal connection between the target block and vertical part. */
2028	dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
2029	uXVerLine, pDumpBbTgt->uStartY, '-', enmColor);
2030	dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
2031	enmColor);
2032	/* Draw the arrow pointing to the target block. */
2033	dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
2034	pDumpBbTgt->uStartY, '<', enmColor);
2035	}
2036	break;
2037	}
2038	case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
2039	default:
2040	AssertFailed();
2041	}
2042	}
2043
2044	rc = dbgcScreenAsciiBlit(hScreen, dbgcCmdUnassembleCfgBlit, pCmdHlp, fUseColor);
2045	dbgcScreenAsciiDestroy(hScreen);
2046	}
2047	}
2048
2049	if (paDumpBb)
2050	{
2051	for (unsigned i = 0; i < cBbs; i++)
2052	DBGFR3FlowBbRelease(paDumpBb[i].hFlowBb);
2053	RTMemTmpFree(paDumpBb);
2054	}
2055
2056	if (paDumpBranchTbl)
2057	{
2058	for (unsigned i = 0; i < cBranchTbls; i++)
2059	DBGFR3FlowBranchTblRelease(paDumpBranchTbl[i].hFlowBranchTbl);
2060	RTMemTmpFree(paDumpBranchTbl);
2061	}
2062
2063	if (hCfgIt)
2064	DBGFR3FlowItDestroy(hCfgIt);
2065	if (hFlowBranchTblIt)
2066	DBGFR3FlowBranchTblItDestroy(hFlowBranchTblIt);
2067
2068	return rc;
2069	}
2070
2071
2072	/**
2073	* @callback_method_impl{FNDBGCCMD, The 'ucfg' command.}
2074	*/
2075	static DECLCALLBACK(int) dbgcCmdUnassembleCfg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2076	{
2077	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2078
2079	/*
2080	* Validate input.
2081	*/
2082	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2083	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
2084	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 \|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
2085
2086	if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2087	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
2088
2089	/*
2090	* Check the desired mode.
2091	*/
2092	unsigned fFlags = DBGF_DISAS_FLAGS_UNPATCHED_BYTES \| DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
2093	bool fUseColor = false;
2094	switch (pCmd->pszCmd[4])
2095	{
2096	default: AssertFailed(); RT_FALL_THRU();
2097	case '\0': fFlags \|= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
2098	case '6': fFlags \|= DBGF_DISAS_FLAGS_64BIT_MODE; break;
2099	case '3': fFlags \|= DBGF_DISAS_FLAGS_32BIT_MODE; break;
2100	case '1': fFlags \|= DBGF_DISAS_FLAGS_16BIT_MODE; break;
2101	case 'v': fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
2102	case 'c': fUseColor = true; break;
2103	}
2104
2105	/** @todo should use DBGFADDRESS for everything */
2106
2107	/*
2108	* Find address.
2109	*/
2110	if (!cArgs)
2111	{
2112	if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2113	{
2114	#if defined(VBOX_VMM_TARGET_ARMV8)
2115	AssertReleaseFailed();
2116	#else
2117	/** @todo Batch query CS, RIP, CPU mode and flags. */
2118	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2119	if (CPUMIsGuestIn64BitCode(pVCpu))
2120	{
2121	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
2122	pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
2123	}
2124	else
2125	{
2126	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
2127	pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
2128	pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
2129	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
2130	&& (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
2131	{
2132	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2133	fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
2134	}
2135	}
2136	#endif
2137
2138	fFlags \|= DBGF_DISAS_FLAGS_CURRENT_GUEST;
2139	}
2140	else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
2141	{
2142	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2143	fFlags \|= pDbgc->fDisasm & DBGF_DISAS_FLAGS_MODE_MASK;
2144	}
2145	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
2146	}
2147	else
2148	pDbgc->DisasmPos = paArgs[0];
2149	pDbgc->pLastPos = &pDbgc->DisasmPos;
2150
2151	/*
2152	* Range.
2153	*/
2154	switch (pDbgc->DisasmPos.enmRangeType)
2155	{
2156	case DBGCVAR_RANGE_NONE:
2157	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2158	pDbgc->DisasmPos.u64Range = 10;
2159	break;
2160
2161	case DBGCVAR_RANGE_ELEMENTS:
2162	if (pDbgc->DisasmPos.u64Range > 2048)
2163	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
2164	break;
2165
2166	case DBGCVAR_RANGE_BYTES:
2167	if (pDbgc->DisasmPos.u64Range > 65536)
2168	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
2169	break;
2170
2171	default:
2172	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
2173	}
2174
2175	/*
2176	* Convert physical and host addresses to guest addresses.
2177	*/
2178	RTDBGAS hDbgAs = pDbgc->hDbgAs;
2179	int rc;
2180	switch (pDbgc->DisasmPos.enmType)
2181	{
2182	case DBGCVAR_TYPE_GC_FLAT:
2183	case DBGCVAR_TYPE_GC_FAR:
2184	break;
2185	case DBGCVAR_TYPE_GC_PHYS:
2186	hDbgAs = DBGF_AS_PHYS;
2187	RT_FALL_THRU();
2188	case DBGCVAR_TYPE_HC_FLAT:
2189	case DBGCVAR_TYPE_HC_PHYS:
2190	{
2191	DBGCVAR VarTmp;
2192	rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
2193	if (RT_FAILURE(rc))
2194	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
2195	pDbgc->DisasmPos = VarTmp;
2196	break;
2197	}
2198	default: AssertFailed(); break;
2199	}
2200
2201	DBGFADDRESS CurAddr;
2202	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
2203	&& pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
2204	DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
2205	else
2206	{
2207	rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
2208	if (RT_FAILURE(rc))
2209	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
2210	}
2211
2212	DBGFFLOW hCfg;
2213	rc = DBGFR3FlowCreate(pUVM, pDbgc->idCpu, &CurAddr, 0 /cbDisasmMax/,
2214	DBGF_FLOW_CREATE_F_TRY_RESOLVE_INDIRECT_BRANCHES, fFlags, &hCfg);
2215	if (RT_SUCCESS(rc))
2216	{
2217	/* Dump the graph. */
2218	rc = dbgcCmdUnassembleCfgDump(hCfg, fUseColor, pCmdHlp);
2219	DBGFR3FlowRelease(hCfg);
2220	}
2221	else
2222	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowCreate failed on '%Dv'", &pDbgc->DisasmPos);
2223
2224	NOREF(pCmd);
2225	return rc;
2226	}
2227
2228
2229	/**
2230	* @callback_method_impl{FNDBGCCMD, The 'ls' command.}
2231	*/
2232	static DECLCALLBACK(int) dbgcCmdListSource(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2233	{
2234	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2235
2236	/*
2237	* Validate input.
2238	*/
2239	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
2240	if (cArgs == 1)
2241	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
2242	if (!pUVM && !cArgs && !DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2243	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start listing...");
2244	if (!pUVM && cArgs && DBGCVAR_ISGCPOINTER(paArgs[0].enmType))
2245	return DBGCCmdHlpFail(pCmdHlp, pCmd, "GC address but no VM");
2246
2247	/*
2248	* Find address.
2249	*/
2250	if (!cArgs)
2251	{
2252	if (!DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2253	{
2254	#if defined(VBOX_VMM_TARGET_ARMV8)
2255	AssertReleaseFailed();
2256	#else
2257	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2258	pDbgc->SourcePos.enmType = DBGCVAR_TYPE_GC_FAR;
2259	pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
2260	pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
2261	#endif
2262	}
2263	pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_NONE;
2264	}
2265	else
2266	pDbgc->SourcePos = paArgs[0];
2267	pDbgc->pLastPos = &pDbgc->SourcePos;
2268
2269	/*
2270	* Ensure the source address is flat GC.
2271	*/
2272	switch (pDbgc->SourcePos.enmType)
2273	{
2274	case DBGCVAR_TYPE_GC_FLAT:
2275	break;
2276	case DBGCVAR_TYPE_GC_PHYS:
2277	case DBGCVAR_TYPE_GC_FAR:
2278	case DBGCVAR_TYPE_HC_FLAT:
2279	case DBGCVAR_TYPE_HC_PHYS:
2280	{
2281	int rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "%%(%Dv)", &pDbgc->SourcePos);
2282	if (RT_FAILURE(rc))
2283	return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid address or address type. (rc=%d)\n", rc);
2284	break;
2285	}
2286	default: AssertFailed(); break;
2287	}
2288
2289	/*
2290	* Range.
2291	*/
2292	switch (pDbgc->SourcePos.enmRangeType)
2293	{
2294	case DBGCVAR_RANGE_NONE:
2295	pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2296	pDbgc->SourcePos.u64Range = 10;
2297	break;
2298
2299	case DBGCVAR_RANGE_ELEMENTS:
2300	if (pDbgc->SourcePos.u64Range > 2048)
2301	return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many lines requested. Max is 2048 lines.\n");
2302	break;
2303
2304	case DBGCVAR_RANGE_BYTES:
2305	if (pDbgc->SourcePos.u64Range > 65536)
2306	return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
2307	break;
2308
2309	default:
2310	return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->SourcePos.enmRangeType);
2311	}
2312
2313	/*
2314	* Do the disassembling.
2315	*/
2316	bool fFirst = 1;
2317	RTDBGLINE LinePrev = { 0, 0, 0, 0, 0, "" };
2318	int iRangeLeft = (int)pDbgc->SourcePos.u64Range;
2319	if (iRangeLeft == 0) /* kludge for 'r'. */
2320	iRangeLeft = -1;
2321	for (;;)
2322	{
2323	/*
2324	* Get line info.
2325	*/
2326	RTDBGLINE Line;
2327	RTGCINTPTR off;
2328	DBGFADDRESS SourcePosAddr;
2329	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->SourcePos, &SourcePosAddr);
2330	if (RT_FAILURE(rc))
2331	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%Dv)", &pDbgc->SourcePos);
2332	rc = DBGFR3AsLineByAddr(pUVM, pDbgc->hDbgAs, &SourcePosAddr, &off, &Line, NULL);
2333	if (RT_FAILURE(rc))
2334	return VINF_SUCCESS;
2335
2336	unsigned cLines = 0;
2337	if (memcmp(&Line, &LinePrev, sizeof(Line)))
2338	{
2339	/*
2340	* Print filenamename
2341	*/
2342	if (!fFirst && strcmp(Line.szFilename, LinePrev.szFilename))
2343	fFirst = true;
2344	if (fFirst)
2345	{
2346	rc = DBGCCmdHlpPrintf(pCmdHlp, "[%s @ %d]\n", Line.szFilename, Line.uLineNo);
2347	if (RT_FAILURE(rc))
2348	return rc;
2349	}
2350
2351	/*
2352	* Try open the file and read the line.
2353	*/
2354	FILE *phFile = fopen(Line.szFilename, "r");
2355	if (phFile)
2356	{
2357	/* Skip ahead to the desired line. */
2358	char szLine[4096];
2359	unsigned cBefore = fFirst ? RT_MIN(2, Line.uLineNo - 1) : Line.uLineNo - LinePrev.uLineNo - 1;
2360	if (cBefore > 7)
2361	cBefore = 0;
2362	unsigned cLeft = Line.uLineNo - cBefore;
2363	while (cLeft > 0)
2364	{
2365	szLine[0] = '\0';
2366	if (!fgets(szLine, sizeof(szLine), phFile))
2367	break;
2368	cLeft--;
2369	}
2370	if (!cLeft)
2371	{
2372	/* print the before lines */
2373	for (;;)
2374	{
2375	size_t cch = strlen(szLine);
2376	while (cch > 0 && (szLine[cch - 1] == '\r' \|\| szLine[cch - 1] == '\n' \|\| RT_C_IS_SPACE(szLine[cch - 1])) )
2377	szLine[--cch] = '\0';
2378	if (cBefore-- <= 0)
2379	break;
2380
2381	rc = DBGCCmdHlpPrintf(pCmdHlp, " %4d: %s\n", Line.uLineNo - cBefore - 1, szLine);
2382	szLine[0] = '\0';
2383	const char *pszShutUpGcc = fgets(szLine, sizeof(szLine), phFile); NOREF(pszShutUpGcc);
2384	cLines++;
2385	}
2386	/* print the actual line */
2387	rc = DBGCCmdHlpPrintf(pCmdHlp, "%08llx %4d: %s\n", Line.Address, Line.uLineNo, szLine);
2388	}
2389	fclose(phFile);
2390	if (RT_FAILURE(rc))
2391	return rc;
2392	fFirst = false;
2393	}
2394	else
2395	return DBGCCmdHlpPrintf(pCmdHlp, "Warning: couldn't open source file '%s'\n", Line.szFilename);
2396
2397	LinePrev = Line;
2398	}
2399
2400
2401	/*
2402	* Advance
2403	*/
2404	if (iRangeLeft < 0) /* 'r' */
2405	break;
2406	if (pDbgc->SourcePos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
2407	iRangeLeft -= cLines;
2408	else
2409	iRangeLeft -= 1;
2410	rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "(%Dv) + %x", &pDbgc->SourcePos, 1);
2411	if (RT_FAILURE(rc))
2412	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->SourcePos, 1);
2413	if (iRangeLeft <= 0)
2414	break;
2415	}
2416
2417	NOREF(pCmd);
2418	return 0;
2419	}
2420
2421
2422	/**
2423	* @callback_method_impl{FNDBGCCMD, The 'r' command.}
2424	*/
2425	static DECLCALLBACK(int) dbgcCmdReg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2426	{
2427	return dbgcCmdRegGuest(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
2428	}
2429
2430
2431	/**
2432	* @callback_method_impl{FNDBGCCMD, Common worker for the dbgcCmdReg*()
2433	* commands.}
2434	*/
2435	static DECLCALLBACK(int) dbgcCmdRegCommon(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs,
2436	const char *pszPrefix)
2437	{
2438	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2439	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 \|\| cArgs == 2 \|\| cArgs == 3);
2440	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING
2441	\|\| paArgs[0].enmType == DBGCVAR_TYPE_SYMBOL);
2442
2443	/*
2444	* Parse the register name and kind.
2445	*/
2446	const char *pszReg = paArgs[0].u.pszString;
2447	if (*pszReg == '@')
2448	pszReg++;
2449	VMCPUID idCpu = pDbgc->idCpu;
2450	if (*pszPrefix)
2451	idCpu \|= DBGFREG_HYPER_VMCPUID;
2452	if (*pszReg == '.')
2453	{
2454	pszReg++;
2455	idCpu \|= DBGFREG_HYPER_VMCPUID;
2456	}
2457	const char * const pszActualPrefix = idCpu & DBGFREG_HYPER_VMCPUID ? "." : "";
2458
2459	/*
2460	* Query the register type & value (the setter needs the type).
2461	*/
2462	DBGFREGVALTYPE enmType;
2463	DBGFREGVAL Value;
2464	int rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType);
2465	if (RT_FAILURE(rc))
2466	{
2467	if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
2468	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
2469	pszActualPrefix, pszReg);
2470	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n",
2471	pszActualPrefix, pszReg, rc);
2472	}
2473	if (cArgs == 1)
2474	{
2475	/*
2476	* Show the register.
2477	*/
2478	char szValue[160];
2479	rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &Value, enmType, true /fSpecial/);
2480	if (RT_SUCCESS(rc))
2481	rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, pszReg, szValue);
2482	else
2483	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2484	}
2485	else
2486	{
2487	DBGCVAR NewValueTmp;
2488	PCDBGCVAR pNewValue;
2489	if (cArgs == 3)
2490	{
2491	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, paArgs[1].enmType == DBGCVAR_TYPE_STRING);
2492	if (strcmp(paArgs[1].u.pszString, "="))
2493	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Second argument must be '='.");
2494	pNewValue = &paArgs[2];
2495	}
2496	else
2497	{
2498	/* Not possible to convince the parser to support both codeview and
2499	windbg syntax and make the equal sign optional. Try help it. */
2500	/** @todo make DBGCCmdHlpConvert do more with strings. */
2501	rc = DBGCCmdHlpConvert(pCmdHlp, &paArgs[1], DBGCVAR_TYPE_NUMBER, true /fConvSyms/, &NewValueTmp);
2502	if (RT_FAILURE(rc))
2503	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "The last argument must be a value or valid symbol.");
2504	pNewValue = &NewValueTmp;
2505	}
2506
2507	/*
2508	* Modify the register.
2509	*/
2510	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, pNewValue->enmType == DBGCVAR_TYPE_NUMBER);
2511	if (enmType != DBGFREGVALTYPE_DTR)
2512	{
2513	enmType = DBGFREGVALTYPE_U64;
2514	rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.u64);
2515	}
2516	else
2517	{
2518	enmType = DBGFREGVALTYPE_DTR;
2519	rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.dtr.u64Base);
2520	if (RT_SUCCESS(rc) && pNewValue->enmRangeType != DBGCVAR_RANGE_NONE)
2521	Value.dtr.u32Limit = (uint32_t)pNewValue->u64Range;
2522	}
2523	if (RT_SUCCESS(rc))
2524	{
2525	rc = DBGFR3RegNmSet(pUVM, idCpu, pszReg, &Value, enmType);
2526	if (RT_FAILURE(rc))
2527	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmSet failed settings '%s%s': %Rrc\n",
2528	pszActualPrefix, pszReg, rc);
2529	if (rc != VINF_SUCCESS)
2530	DBGCCmdHlpPrintf(pCmdHlp, "%s: warning: %Rrc\n", pCmd->pszCmd, rc);
2531	}
2532	else
2533	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2534	}
2535	return rc;
2536	}
2537
2538
2539	/**
2540	* @callback_method_impl{FNDBGCCMD,
2541	* The 'rg'\, 'rg64' and 'rg32' commands\, worker for 'r'.}
2542	*/
2543	static DECLCALLBACK(int) dbgcCmdRegGuest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2544	{
2545	/*
2546	* Show all registers our selves.
2547	*/
2548	if (cArgs == 0)
2549	{
2550	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2551	bool const f64BitMode = !strcmp(pCmd->pszCmd, "rg64")
2552	\|\| ( strcmp(pCmd->pszCmd, "rg32") != 0
2553	&& DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu));
2554	return DBGCCmdHlpRegPrintf(pCmdHlp, pDbgc->idCpu, f64BitMode, pDbgc->fRegTerse);
2555	}
2556	return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, "");
2557	}
2558
2559
2560	/**
2561	* @callback_method_impl{FNDBGCCMD, The 'rt' command.}
2562	*/
2563	static DECLCALLBACK(int) dbgcCmdRegTerse(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2564	{
2565	NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2566
2567	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2568	pDbgc->fRegTerse = !pDbgc->fRegTerse;
2569	return DBGCCmdHlpPrintf(pCmdHlp, pDbgc->fRegTerse ? "info: Terse register info.\n" : "info: Verbose register info.\n");
2570	}
2571
2572
2573	/**
2574	* @callback_method_impl{FNDBGCCMD, The 'pr' and 'tr' commands.}
2575	*/
2576	static DECLCALLBACK(int) dbgcCmdStepTraceToggle(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2577	{
2578	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2579	Assert(cArgs == 0); NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2580
2581	/* Note! windbg accepts 'r' as a flag to 'p', 'pa', 'pc', 'pt', 't',
2582	'ta', 'tc' and 'tt'. We've simplified it. */
2583	pDbgc->fStepTraceRegs = !pDbgc->fStepTraceRegs;
2584	return VINF_SUCCESS;
2585	}
2586
2587
2588	/**
2589	* @callback_method_impl{FNDBGCCMD, The 'p'\, 'pc'\, 'pt'\, 't'\, 'tc'\, and 'tt' commands.}
2590	*/
2591	static DECLCALLBACK(int) dbgcCmdStepTrace(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2592	{
2593	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2594	if (cArgs != 0)
2595	return DBGCCmdHlpFail(pCmdHlp, pCmd,
2596	"Sorry, but the '%s' command does not currently implement any arguments.\n", pCmd->pszCmd);
2597
2598	/* The 'count' has to be implemented by DBGC, whereas the
2599	filtering is taken care of by DBGF. */
2600
2601	/*
2602	* Convert the command to DBGF_STEP_F_XXX and other API input.
2603	*/
2604	//DBGFADDRESS StackPop;
2605	PDBGFADDRESS pStackPop = NULL;
2606	RTGCPTR cbStackPop = 0;
2607	uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : _64K;
2608	uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2609	if (pCmd->pszCmd[1] == 'c')
2610	fFlags \|= DBGF_STEP_F_STOP_ON_CALL;
2611	else if (pCmd->pszCmd[1] == 't')
2612	fFlags \|= DBGF_STEP_F_STOP_ON_RET;
2613	else if (pCmd->pszCmd[0] != 'p')
2614	cMaxSteps = 1;
2615	else
2616	{
2617	/** @todo consider passing RSP + 1 in for 'p' and something else sensible for
2618	* the 'pt' command. */
2619	}
2620
2621	int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, NULL, pStackPop, cbStackPop, cMaxSteps);
2622	if (RT_SUCCESS(rc))
2623	pDbgc->fReady = false;
2624	else
2625	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2626
2627	NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
2628	return rc;
2629	}
2630
2631
2632	/**
2633	* @callback_method_impl{FNDBGCCMD, The 'pa' and 'ta' commands.}
2634	*/
2635	static DECLCALLBACK(int) dbgcCmdStepTraceTo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2636	{
2637	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2638	if (cArgs != 1)
2639	return DBGCCmdHlpFail(pCmdHlp, pCmd,
2640	"Sorry, but the '%s' command only implements a single argument at present.\n", pCmd->pszCmd);
2641	DBGFADDRESS Address;
2642	int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
2643	if (RT_FAILURE(rc))
2644	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[0]);
2645
2646	uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : 1;
2647	uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2648	rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, &Address, NULL, 0, cMaxSteps);
2649	if (RT_SUCCESS(rc))
2650	pDbgc->fReady = false;
2651	else
2652	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2653	return rc;
2654	}
2655
2656
2657	/**
2658	* Helper that tries to resolve a far address to a symbol and formats it.
2659	*
2660	* @returns Pointer to symbol string on success, NULL if not resolved.
2661	* Free using RTStrFree.
2662	* @param pCmdHlp The command helper structure.
2663	* @param hAs The address space to use. NIL_RTDBGAS means no symbol resolving.
2664	* @param sel The selector part of the address.
2665	* @param off The offset part of the address.
2666	* @param pszPrefix How to prefix the symbol string.
2667	* @param pszSuffix How to suffix the symbol string.
2668	*/
2669	static char *dbgcCmdHlpFarAddrToSymbol(PDBGCCMDHLP pCmdHlp, RTDBGAS hAs, RTSEL sel, uint64_t off,
2670	const char pszPrefix, const char pszSuffix)
2671	{
2672	char *pszRet = NULL;
2673	if (hAs != NIL_RTDBGAS)
2674	{
2675	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2676	DBGFADDRESS Addr;
2677	int rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr, sel, off);
2678	if (RT_SUCCESS(rc))
2679	{
2680	RTGCINTPTR offDispSym = 0;
2681	PRTDBGSYMBOL pSymbol = DBGFR3AsSymbolByAddrA(pDbgc->pUVM, hAs, &Addr,
2682	RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL
2683	\| RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
2684	&offDispSym, NULL);
2685	if (pSymbol)
2686	{
2687	if (offDispSym == 0)
2688	pszRet = RTStrAPrintf2("%s%s%s", pszPrefix, pSymbol->szName, pszSuffix);
2689	else if (offDispSym > 0)
2690	pszRet = RTStrAPrintf2("%s%s+%llx%s", pszPrefix, pSymbol->szName, (int64_t)offDispSym, pszSuffix);
2691	else
2692	pszRet = RTStrAPrintf2("%s%s-%llx%s", pszPrefix, pSymbol->szName, -(int64_t)offDispSym, pszSuffix);
2693	RTDbgSymbolFree(pSymbol);
2694	}
2695	}
2696	}
2697	return pszRet;
2698	}
2699
2700
2701	/**
2702	* @callback_method_impl{FNDBGCCMD, The 'k'\, 'kg' and 'kh' commands.}
2703	*/
2704	static DECLCALLBACK(int) dbgcCmdStack(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2705	{
2706	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2707
2708	/*
2709	* Figure which context we're called for and start walking that stack.
2710	*/
2711	int rc;
2712	PCDBGFSTACKFRAME pFirstFrame;
2713	bool const fGuest = true;
2714	bool const fVerbose = pCmd->pszCmd[1] == 'v'
2715	\|\| (pCmd->pszCmd[1] != '\0' && pCmd->pszCmd[2] == 'v');
2716	rc = DBGFR3StackWalkBegin(pUVM, pDbgc->idCpu, fGuest ? DBGFCODETYPE_GUEST : DBGFCODETYPE_HYPER, &pFirstFrame);
2717	if (RT_FAILURE(rc))
2718	return DBGCCmdHlpPrintf(pCmdHlp, "Failed to begin stack walk, rc=%Rrc\n", rc);
2719
2720	/*
2721	* Print the frames.
2722	*/
2723	char szTmp[1024];
2724	uint32_t fBitFlags = 0;
2725	for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
2726	pFrame;
2727	pFrame = DBGFR3StackWalkNext(pFrame))
2728	{
2729	uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT \| DBGFSTACKFRAME_FLAGS_32BIT \| DBGFSTACKFRAME_FLAGS_64BIT);
2730	if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
2731	{
2732	if (fCurBitFlags != fBitFlags)
2733	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2734	rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2735	pFrame->iFrame,
2736	pFrame->AddrFrame.Sel,
2737	(uint16_t)pFrame->AddrFrame.off,
2738	pFrame->AddrReturnFrame.Sel,
2739	(uint16_t)pFrame->AddrReturnFrame.off,
2740	(uint32_t)pFrame->AddrReturnPC.Sel,
2741	(uint32_t)pFrame->AddrReturnPC.off,
2742	pFrame->Args.au32[0],
2743	pFrame->Args.au32[1],
2744	pFrame->Args.au32[2],
2745	pFrame->Args.au32[3]);
2746	}
2747	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
2748	{
2749	if (fCurBitFlags != fBitFlags)
2750	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2751	rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2752	pFrame->iFrame,
2753	(uint32_t)pFrame->AddrFrame.off,
2754	(uint32_t)pFrame->AddrReturnFrame.off,
2755	(uint32_t)pFrame->AddrReturnPC.Sel,
2756	(uint32_t)pFrame->AddrReturnPC.off,
2757	pFrame->Args.au32[0],
2758	pFrame->Args.au32[1],
2759	pFrame->Args.au32[2],
2760	pFrame->Args.au32[3]);
2761	}
2762	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
2763	{
2764	if (fCurBitFlags != fBitFlags)
2765	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
2766	rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %016RX64 %04RX16:%016RX64 %016RX64",
2767	pFrame->iFrame,
2768	(uint64_t)pFrame->AddrFrame.off,
2769	pFrame->AddrReturnFrame.Sel,
2770	(uint64_t)pFrame->AddrReturnFrame.off,
2771	(uint64_t)pFrame->AddrReturnPC.off);
2772	}
2773	if (RT_FAILURE(rc))
2774	break;
2775	if (!pFrame->pSymPC)
2776	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
2777	fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
2778	? " %RTsel:%016RGv"
2779	: fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
2780	? " %RTsel:%08RGv"
2781	: " %RTsel:%04RGv"
2782	, pFrame->AddrPC.Sel, pFrame->AddrPC.off);
2783	else
2784	{
2785	RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
2786	if (offDisp > 0)
2787	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
2788	else if (offDisp < 0)
2789	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
2790	else
2791	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", pFrame->pSymPC->szName);
2792	}
2793	if (RT_SUCCESS(rc) && pFrame->pLinePC)
2794	rc = DBGCCmdHlpPrintf(pCmdHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
2795	if (RT_SUCCESS(rc))
2796	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2797
2798	if (fVerbose && RT_SUCCESS(rc))
2799	{
2800	/*
2801	* Display verbose frame info.
2802	*/
2803	const char *pszRetType = "invalid";
2804	switch (pFrame->enmReturnType)
2805	{
2806	case RTDBGRETURNTYPE_NEAR16: pszRetType = "retn/16"; break;
2807	case RTDBGRETURNTYPE_NEAR32: pszRetType = "retn/32"; break;
2808	case RTDBGRETURNTYPE_NEAR64: pszRetType = "retn/64"; break;
2809	case RTDBGRETURNTYPE_FAR16: pszRetType = "retf/16"; break;
2810	case RTDBGRETURNTYPE_FAR32: pszRetType = "retf/32"; break;
2811	case RTDBGRETURNTYPE_FAR64: pszRetType = "retf/64"; break;
2812	case RTDBGRETURNTYPE_IRET16: pszRetType = "iret-16"; break;
2813	case RTDBGRETURNTYPE_IRET32: pszRetType = "iret/32s"; break;
2814	case RTDBGRETURNTYPE_IRET32_PRIV: pszRetType = "iret/32p"; break;
2815	case RTDBGRETURNTYPE_IRET32_V86: pszRetType = "iret/v86"; break;
2816	case RTDBGRETURNTYPE_IRET64: pszRetType = "iret/64"; break;
2817
2818	case RTDBGRETURNTYPE_END:
2819	case RTDBGRETURNTYPE_INVALID:
2820	case RTDBGRETURNTYPE_32BIT_HACK:
2821	break;
2822	}
2823	size_t cchLine = DBGCCmdHlpPrintfLen(pCmdHlp, " %s", pszRetType);
2824	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_UNWIND_INFO)
2825	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-unwind-info");
2826	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_ODD_EVEN)
2827	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-odd-even");
2828	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_REAL_V86)
2829	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " real-v86");
2830	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_MAX_DEPTH)
2831	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " max-depth");
2832	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_TRAP_FRAME)
2833	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " trap-frame");
2834
2835	if (pFrame->cSureRegs > 0)
2836	{
2837	cchLine = 1024; /* force new line */
2838	for (uint32_t i = 0; i < pFrame->cSureRegs; i++)
2839	{
2840	if (cchLine > 80)
2841	{
2842	DBGCCmdHlpPrintf(pCmdHlp, "\n ");
2843	cchLine = 2;
2844	}
2845
2846	szTmp[0] = '\0';
2847	DBGFR3RegFormatValue(szTmp, sizeof(szTmp), &pFrame->paSureRegs[i].Value,
2848	pFrame->paSureRegs[i].enmType, false);
2849	const char *pszName = pFrame->paSureRegs[i].enmReg != DBGFREG_END
2850	? DBGFR3RegCpuName(pUVM, pFrame->paSureRegs[i].enmReg, pFrame->paSureRegs[i].enmType)
2851	: pFrame->paSureRegs[i].pszName;
2852	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " %s=%s", pszName, szTmp);
2853	}
2854	}
2855
2856	if (RT_SUCCESS(rc))
2857	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2858	}
2859
2860	if (RT_FAILURE(rc))
2861	break;
2862
2863	fBitFlags = fCurBitFlags;
2864	}
2865
2866	DBGFR3StackWalkEnd(pFirstFrame);
2867
2868	NOREF(paArgs); NOREF(cArgs);
2869	return rc;
2870	}
2871
2872
2873	/**
2874	* Worker function that displays one descriptor entry (GDT, LDT, IDT).
2875	*
2876	* @returns pfnPrintf status code.
2877	* @param pCmdHlp The DBGC command helpers.
2878	* @param pDesc The descriptor to display.
2879	* @param iEntry The descriptor entry number.
2880	* @param fHyper Whether the selector belongs to the hypervisor or not.
2881	* @param hAs Address space to use when resolving symbols.
2882	* @param pfDblEntry Where to indicate whether the entry is two entries wide.
2883	* Optional.
2884	*/
2885	static int dbgcCmdDumpDTWorker64(PDBGCCMDHLP pCmdHlp, PCX86DESC64 pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs,
2886	bool *pfDblEntry)
2887	{
2888	/* GUEST64 */
2889	int rc;
2890
2891	const char *pszHyper = fHyper ? " HYPER" : "";
2892	const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
2893	if (pDesc->Gen.u1DescType)
2894	{
2895	static const char * const s_apszTypes[] =
2896	{
2897	"DataRO", /* 0 Read-Only */
2898	"DataRO", /* 1 Read-Only - Accessed */
2899	"DataRW", /* 2 Read/Write */
2900	"DataRW", /* 3 Read/Write - Accessed */
2901	"DownRO", /* 4 Expand-down, Read-Only */
2902	"DownRO", /* 5 Expand-down, Read-Only - Accessed */
2903	"DownRW", /* 6 Expand-down, Read/Write */
2904	"DownRW", /* 7 Expand-down, Read/Write - Accessed */
2905	"CodeEO", /* 8 Execute-Only */
2906	"CodeEO", /* 9 Execute-Only - Accessed */
2907	"CodeER", /* A Execute/Readable */
2908	"CodeER", /* B Execute/Readable - Accessed */
2909	"ConfE0", /* C Conforming, Execute-Only */
2910	"ConfE0", /* D Conforming, Execute-Only - Accessed */
2911	"ConfER", /* E Conforming, Execute/Readable */
2912	"ConfER" /* F Conforming, Execute/Readable - Accessed */
2913	};
2914	const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
2915	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
2916	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2917	uint32_t u32Base = X86DESC_BASE(pDesc);
2918	uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2919
2920	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
2921	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
2922	pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
2923	pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
2924	}
2925	else
2926	{
2927	static const char * const s_apszTypes[] =
2928	{
2929	"Ill-0 ", /* 0 0000 Reserved (Illegal) */
2930	"Ill-1 ", /* 1 0001 Available 16-bit TSS */
2931	"LDT ", /* 2 0010 LDT */
2932	"Ill-3 ", /* 3 0011 Busy 16-bit TSS */
2933	"Ill-4 ", /* 4 0100 16-bit Call Gate */
2934	"Ill-5 ", /* 5 0101 Task Gate */
2935	"Ill-6 ", /* 6 0110 16-bit Interrupt Gate */
2936	"Ill-7 ", /* 7 0111 16-bit Trap Gate */
2937	"Ill-8 ", /* 8 1000 Reserved (Illegal) */
2938	"Tss64A", /* 9 1001 Available 32-bit TSS */
2939	"Ill-A ", /* A 1010 Reserved (Illegal) */
2940	"Tss64B", /* B 1011 Busy 32-bit TSS */
2941	"Call64", /* C 1100 32-bit Call Gate */
2942	"Ill-D ", /* D 1101 Reserved (Illegal) */
2943	"Int64 ", /* E 1110 32-bit Interrupt Gate */
2944	"Trap64" /* F 1111 32-bit Trap Gate */
2945	};
2946	switch (pDesc->Gen.u4Type)
2947	{
2948	/* raw */
2949	case X86_SEL_TYPE_SYS_UNDEFINED:
2950	case X86_SEL_TYPE_SYS_UNDEFINED2:
2951	case X86_SEL_TYPE_SYS_UNDEFINED4:
2952	case X86_SEL_TYPE_SYS_UNDEFINED3:
2953	case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
2954	case X86_SEL_TYPE_SYS_286_TSS_BUSY:
2955	case X86_SEL_TYPE_SYS_286_CALL_GATE:
2956	case X86_SEL_TYPE_SYS_286_INT_GATE:
2957	case X86_SEL_TYPE_SYS_286_TRAP_GATE:
2958	case X86_SEL_TYPE_SYS_TASK_GATE:
2959	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
2960	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
2961	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
2962	break;
2963
2964	case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
2965	case X86_SEL_TYPE_SYS_386_TSS_BUSY:
2966	case X86_SEL_TYPE_SYS_LDT:
2967	{
2968	const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
2969	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2970	const char *pszLong = pDesc->Gen.u1Long ? "LONG" : " ";
2971
2972	uint64_t u64Base = X86DESC64_BASE(pDesc);
2973	uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2974
2975	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%016RX64 Lim=%08x DPL=%d %s %s %s %sAVL=%d R=%d%s\n",
2976	iEntry, s_apszTypes[pDesc->Gen.u4Type], u64Base, cbLimit,
2977	pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszLong, pszBig,
2978	pDesc->Gen.u1Available, pDesc->Gen.u1Long \| (pDesc->Gen.u1DefBig << 1),
2979	pszHyper);
2980	if (pfDblEntry)
2981	*pfDblEntry = true;
2982	break;
2983	}
2984
2985	case X86_SEL_TYPE_SYS_386_CALL_GATE:
2986	{
2987	unsigned cParams = pDesc->au8[4] & 0x1f;
2988	const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
2989	RTSEL sel = pDesc->au16[1];
2990	uint64_t off = pDesc->au16[0]
2991	\| ((uint64_t)pDesc->au16[3] << 16)
2992	\| ((uint64_t)pDesc->Gen.u32BaseHigh3 << 32);
2993	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
2994	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%d %s %s=%d%s%s\n",
2995	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
2996	pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : "");
2997	RTStrFree(pszSymbol);
2998	if (pfDblEntry)
2999	*pfDblEntry = true;
3000	break;
3001	}
3002
3003	case X86_SEL_TYPE_SYS_386_INT_GATE:
3004	case X86_SEL_TYPE_SYS_386_TRAP_GATE:
3005	{
3006	RTSEL sel = pDesc->Gate.u16Sel;
3007	uint64_t off = pDesc->Gate.u16OffsetLow
3008	\| ((uint64_t)pDesc->Gate.u16OffsetHigh << 16)
3009	\| ((uint64_t)pDesc->Gate.u32OffsetTop << 32);
3010	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3011	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%u %s IST=%u%s%s\n",
3012	iEntry, s_apszTypes[pDesc->Gate.u4Type], sel, off,
3013	pDesc->Gate.u2Dpl, pszPresent, pDesc->Gate.u3IST, pszHyper, pszSymbol ? pszSymbol : "");
3014	RTStrFree(pszSymbol);
3015	if (pfDblEntry)
3016	*pfDblEntry = true;
3017	break;
3018	}
3019
3020	/* impossible, just it's necessary to keep gcc happy. */
3021	default:
3022	return VINF_SUCCESS;
3023	}
3024	}
3025	return VINF_SUCCESS;
3026	}
3027
3028
3029	/**
3030	* Worker function that displays one descriptor entry (GDT, LDT, IDT).
3031	*
3032	* @returns pfnPrintf status code.
3033	* @param pCmdHlp The DBGC command helpers.
3034	* @param pDesc The descriptor to display.
3035	* @param iEntry The descriptor entry number.
3036	* @param fHyper Whether the selector belongs to the hypervisor or not.
3037	* @param hAs Address space to use when resolving symbols.
3038	*/
3039	static int dbgcCmdDumpDTWorker32(PDBGCCMDHLP pCmdHlp, PCX86DESC pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs)
3040	{
3041	int rc;
3042
3043	const char *pszHyper = fHyper ? " HYPER" : "";
3044	const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
3045	if (pDesc->Gen.u1DescType)
3046	{
3047	static const char * const s_apszTypes[] =
3048	{
3049	"DataRO", /* 0 Read-Only */
3050	"DataRO", /* 1 Read-Only - Accessed */
3051	"DataRW", /* 2 Read/Write */
3052	"DataRW", /* 3 Read/Write - Accessed */
3053	"DownRO", /* 4 Expand-down, Read-Only */
3054	"DownRO", /* 5 Expand-down, Read-Only - Accessed */
3055	"DownRW", /* 6 Expand-down, Read/Write */
3056	"DownRW", /* 7 Expand-down, Read/Write - Accessed */
3057	"CodeEO", /* 8 Execute-Only */
3058	"CodeEO", /* 9 Execute-Only - Accessed */
3059	"CodeER", /* A Execute/Readable */
3060	"CodeER", /* B Execute/Readable - Accessed */
3061	"ConfE0", /* C Conforming, Execute-Only */
3062	"ConfE0", /* D Conforming, Execute-Only - Accessed */
3063	"ConfER", /* E Conforming, Execute/Readable */
3064	"ConfER" /* F Conforming, Execute/Readable - Accessed */
3065	};
3066	const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
3067	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3068	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3069	uint32_t u32Base = pDesc->Gen.u16BaseLow
3070	\| ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3071	\| ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3072	uint32_t cbLimit = pDesc->Gen.u16LimitLow \| (pDesc->Gen.u4LimitHigh << 16);
3073	if (pDesc->Gen.u1Granularity)
3074	cbLimit <<= PAGE_SHIFT;
3075
3076	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
3077	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3078	pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
3079	pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
3080	}
3081	else
3082	{
3083	static const char * const s_apszTypes[] =
3084	{
3085	"Ill-0 ", /* 0 0000 Reserved (Illegal) */
3086	"Tss16A", /* 1 0001 Available 16-bit TSS */
3087	"LDT ", /* 2 0010 LDT */
3088	"Tss16B", /* 3 0011 Busy 16-bit TSS */
3089	"Call16", /* 4 0100 16-bit Call Gate */
3090	"TaskG ", /* 5 0101 Task Gate */
3091	"Int16 ", /* 6 0110 16-bit Interrupt Gate */
3092	"Trap16", /* 7 0111 16-bit Trap Gate */
3093	"Ill-8 ", /* 8 1000 Reserved (Illegal) */
3094	"Tss32A", /* 9 1001 Available 32-bit TSS */
3095	"Ill-A ", /* A 1010 Reserved (Illegal) */
3096	"Tss32B", /* B 1011 Busy 32-bit TSS */
3097	"Call32", /* C 1100 32-bit Call Gate */
3098	"Ill-D ", /* D 1101 Reserved (Illegal) */
3099	"Int32 ", /* E 1110 32-bit Interrupt Gate */
3100	"Trap32" /* F 1111 32-bit Trap Gate */
3101	};
3102	switch (pDesc->Gen.u4Type)
3103	{
3104	/* raw */
3105	case X86_SEL_TYPE_SYS_UNDEFINED:
3106	case X86_SEL_TYPE_SYS_UNDEFINED2:
3107	case X86_SEL_TYPE_SYS_UNDEFINED4:
3108	case X86_SEL_TYPE_SYS_UNDEFINED3:
3109	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
3110	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
3111	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3112	break;
3113
3114	case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
3115	case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
3116	case X86_SEL_TYPE_SYS_286_TSS_BUSY:
3117	case X86_SEL_TYPE_SYS_386_TSS_BUSY:
3118	case X86_SEL_TYPE_SYS_LDT:
3119	{
3120	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3121	const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
3122	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3123	uint32_t u32Base = pDesc->Gen.u16BaseLow
3124	\| ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3125	\| ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3126	uint32_t cbLimit = pDesc->Gen.u16LimitLow \| (pDesc->Gen.u4LimitHigh << 16);
3127	if (pDesc->Gen.u1Granularity)
3128	cbLimit <<= PAGE_SHIFT;
3129
3130	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d R=%d%s\n",
3131	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3132	pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszGranularity, pszBig,
3133	pDesc->Gen.u1Available, pDesc->Gen.u1Long \| (pDesc->Gen.u1DefBig << 1),
3134	pszHyper);
3135	break;
3136	}
3137
3138	case X86_SEL_TYPE_SYS_TASK_GATE:
3139	{
3140	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s TSS=%04x DPL=%d %s%s\n",
3141	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc->au16[1],
3142	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3143	break;
3144	}
3145
3146	case X86_SEL_TYPE_SYS_286_CALL_GATE:
3147	case X86_SEL_TYPE_SYS_386_CALL_GATE:
3148	{
3149	unsigned cParams = pDesc->au8[4] & 0x1f;
3150	const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
3151	RTSEL sel = pDesc->au16[1];
3152	uint32_t off = pDesc->au16[0] \| ((uint32_t)pDesc->au16[3] << 16);
3153	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3154	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s %s=%d%s%s\n",
3155	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3156	pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : "");
3157	RTStrFree(pszSymbol);
3158	break;
3159	}
3160
3161	case X86_SEL_TYPE_SYS_286_INT_GATE:
3162	case X86_SEL_TYPE_SYS_386_INT_GATE:
3163	case X86_SEL_TYPE_SYS_286_TRAP_GATE:
3164	case X86_SEL_TYPE_SYS_386_TRAP_GATE:
3165	{
3166	RTSEL sel = pDesc->au16[1];
3167	uint32_t off = pDesc->au16[0] \| ((uint32_t)pDesc->au16[3] << 16);
3168	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3169	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s%s%s\n",
3170	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3171	pDesc->Gen.u2Dpl, pszPresent, pszHyper, pszSymbol ? pszSymbol : "");
3172	RTStrFree(pszSymbol);
3173	break;
3174	}
3175
3176	/* impossible, just it's necessary to keep gcc happy. */
3177	default:
3178	return VINF_SUCCESS;
3179	}
3180	}
3181	return rc;
3182	}
3183
3184
3185	/**
3186	* @callback_method_impl{FNDBGCCMD, The 'dg'\, 'dga'\, 'dl' and 'dla' commands.}
3187	*/
3188	static DECLCALLBACK(int) dbgcCmdDumpDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3189	{
3190	/*
3191	* Validate input.
3192	*/
3193	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3194
3195	/*
3196	* Get the CPU mode, check which command variation this is
3197	* and fix a default parameter if needed.
3198	*/
3199	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3200	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
3201	CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
3202	bool fGdt = pCmd->pszCmd[1] == 'g';
3203	bool fAll = pCmd->pszCmd[2] == 'a';
3204	RTSEL SelTable = fGdt ? 0 : X86_SEL_LDT;
3205
3206	DBGCVAR Var;
3207	if (!cArgs)
3208	{
3209	cArgs = 1;
3210	paArgs = &Var;
3211	Var.enmType = DBGCVAR_TYPE_NUMBER;
3212	Var.u.u64Number = fGdt ? 0 : 4;
3213	Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3214	Var.u64Range = 1024;
3215	}
3216
3217	/*
3218	* Process the arguments.
3219	*/
3220	for (unsigned i = 0; i < cArgs; i++)
3221	{
3222	/*
3223	* Retrieve the selector value from the argument.
3224	* The parser may confuse pointers and numbers if more than one
3225	* argument is given, that that into account.
3226	*/
3227	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER \|\| DBGCVAR_ISPOINTER(paArgs[i].enmType));
3228	uint64_t u64;
3229	unsigned cSels = 1;
3230	switch (paArgs[i].enmType)
3231	{
3232	case DBGCVAR_TYPE_NUMBER:
3233	u64 = paArgs[i].u.u64Number;
3234	if (paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE)
3235	cSels = RT_MIN(paArgs[i].u64Range, 1024);
3236	break;
3237	case DBGCVAR_TYPE_GC_FAR: u64 = paArgs[i].u.GCFar.sel; break;
3238	case DBGCVAR_TYPE_GC_FLAT: u64 = paArgs[i].u.GCFlat; break;
3239	case DBGCVAR_TYPE_GC_PHYS: u64 = paArgs[i].u.GCPhys; break;
3240	case DBGCVAR_TYPE_HC_FLAT: u64 = (uintptr_t)paArgs[i].u.pvHCFlat; break;
3241	case DBGCVAR_TYPE_HC_PHYS: u64 = paArgs[i].u.HCPhys; break;
3242	default: u64 = _64K; break;
3243	}
3244	if (u64 < _64K)
3245	{
3246	unsigned Sel = (RTSEL)u64;
3247
3248	/*
3249	* Dump the specified range.
3250	*/
3251	bool fSingle = cSels == 1;
3252	while ( cSels-- > 0
3253	&& Sel < _64K)
3254	{
3255	DBGFSELINFO SelInfo;
3256	int rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, Sel \| SelTable, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
3257	if (RT_SUCCESS(rc))
3258	{
3259	if (SelInfo.fFlags & DBGFSELINFO_FLAGS_REAL_MODE)
3260	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x RealM Bas=%04x Lim=%04x\n",
3261	Sel, (unsigned)SelInfo.GCPtrBase, (unsigned)SelInfo.cbLimit);
3262	else if ( fAll
3263	\|\| fSingle
3264	\|\| SelInfo.u.Raw.Gen.u1Present)
3265	{
3266	if (enmMode == CPUMMODE_PROTECTED)
3267	rc = dbgcCmdDumpDTWorker32(pCmdHlp, &SelInfo.u.Raw, Sel,
3268	!!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL);
3269	else
3270	{
3271	bool fDblSkip = false;
3272	rc = dbgcCmdDumpDTWorker64(pCmdHlp, &SelInfo.u.Raw64, Sel,
3273	!!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL, &fDblSkip);
3274	if (fDblSkip)
3275	Sel += 4;
3276	}
3277	}
3278	}
3279	else
3280	{
3281	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %Rrc\n", Sel, rc);
3282	if (!fAll)
3283	return rc;
3284	}
3285	if (RT_FAILURE(rc))
3286	return rc;
3287
3288	/* next */
3289	Sel += 8;
3290	}
3291	}
3292	else
3293	DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds\n", u64);
3294	}
3295
3296	return VINF_SUCCESS;
3297	}
3298
3299
3300	/**
3301	* @callback_method_impl{FNDBGCCMD, The 'di' and 'dia' commands.}
3302	*/
3303	static DECLCALLBACK(int) dbgcCmdDumpIDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3304	{
3305	/*
3306	* Validate input.
3307	*/
3308	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3309
3310	/*
3311	* Establish some stuff like the current IDTR and CPU mode,
3312	* and fix a default parameter.
3313	*/
3314	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3315	CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp);
3316	uint16_t cbLimit = 0;
3317	uint64_t GCFlat = 0;
3318	int rc = DBGFR3RegCpuQueryXdtr(pDbgc->pUVM, pDbgc->idCpu, DBGFREG_IDTR, &GCFlat, &cbLimit);
3319	if (RT_FAILURE(rc))
3320	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3RegCpuQueryXdtr/DBGFREG_IDTR");
3321	unsigned cbEntry;
3322	switch (enmMode)
3323	{
3324	case CPUMMODE_REAL: cbEntry = sizeof(RTFAR16); break;
3325	case CPUMMODE_PROTECTED: cbEntry = sizeof(X86DESC); break;
3326	case CPUMMODE_LONG: cbEntry = sizeof(X86DESC64); break;
3327	default:
3328	return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid CPU mode %d.\n", enmMode);
3329	}
3330
3331	bool fAll = pCmd->pszCmd[2] == 'a';
3332	DBGCVAR Var;
3333	if (!cArgs)
3334	{
3335	cArgs = 1;
3336	paArgs = &Var;
3337	Var.enmType = DBGCVAR_TYPE_NUMBER;
3338	Var.u.u64Number = 0;
3339	Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3340	Var.u64Range = 256;
3341	}
3342
3343	/*
3344	* Process the arguments.
3345	*/
3346	for (unsigned i = 0; i < cArgs; i++)
3347	{
3348	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER);
3349	if (paArgs[i].u.u64Number < 256)
3350	{
3351	RTGCUINTPTR iInt = (RTGCUINTPTR)paArgs[i].u.u64Number;
3352	unsigned cInts = paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE
3353	? paArgs[i].u64Range
3354	: 1;
3355	bool fSingle = cInts == 1;
3356	while ( cInts-- > 0
3357	&& iInt < 256)
3358	{
3359	/*
3360	* Try read it.
3361	*/
3362	union
3363	{
3364	RTFAR16 Real;
3365	X86DESC Prot;
3366	X86DESC64 Long;
3367	} u;
3368	if (iInt * cbEntry + (cbEntry - 1) > cbLimit)
3369	{
3370	DBGCCmdHlpPrintf(pCmdHlp, "%04x not within the IDT\n", (unsigned)iInt);
3371	if (!fAll && !fSingle)
3372	return VINF_SUCCESS;
3373	}
3374	DBGCVAR AddrVar;
3375	AddrVar.enmType = DBGCVAR_TYPE_GC_FLAT;
3376	AddrVar.u.GCFlat = GCFlat + iInt * cbEntry;
3377	AddrVar.enmRangeType = DBGCVAR_RANGE_NONE;
3378	rc = pCmdHlp->pfnMemRead(pCmdHlp, &u, cbEntry, &AddrVar, NULL);
3379	if (RT_FAILURE(rc))
3380	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading IDT entry %#04x.\n", (unsigned)iInt);
3381
3382	/*
3383	* Display it.
3384	*/
3385	switch (enmMode)
3386	{
3387	case CPUMMODE_REAL:
3388	{
3389	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, DBGF_AS_GLOBAL, u.Real.sel, u.Real.off, " (", ")");
3390	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %RTfp16%s\n", (unsigned)iInt, u.Real, pszSymbol ? pszSymbol : "");
3391	RTStrFree(pszSymbol);
3392	break;
3393	}
3394	case CPUMMODE_PROTECTED:
3395	if (fAll \|\| fSingle \|\| u.Prot.Gen.u1Present)
3396	rc = dbgcCmdDumpDTWorker32(pCmdHlp, &u.Prot, iInt, false, DBGF_AS_GLOBAL);
3397	break;
3398	case CPUMMODE_LONG:
3399	if (fAll \|\| fSingle \|\| u.Long.Gen.u1Present)
3400	rc = dbgcCmdDumpDTWorker64(pCmdHlp, &u.Long, iInt, false, DBGF_AS_GLOBAL, NULL);
3401	break;
3402	default: break; /* to shut up gcc */
3403	}
3404	if (RT_FAILURE(rc))
3405	return rc;
3406
3407	/* next */
3408	iInt++;
3409	}
3410	}
3411	else
3412	DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds (max 256)\n", paArgs[i].u.u64Number);
3413	}
3414
3415	return VINF_SUCCESS;
3416	}
3417
3418
3419	/**
3420	* @callback_method_impl{FNDBGCCMD,
3421	* The 'da'\, 'dq'\, 'dqs'\, 'dd'\, 'dds'\, 'dw'\, 'db'\, 'dp'\, 'dps'\,
3422	* and 'du' commands.}
3423	*/
3424	static DECLCALLBACK(int) dbgcCmdDumpMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3425	{
3426	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3427
3428	/*
3429	* Validate input.
3430	*/
3431	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3432	if (cArgs == 1)
3433	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3434	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3435
3436	#define DBGC_DUMP_MEM_F_ASCII RT_BIT_32(31)
3437	#define DBGC_DUMP_MEM_F_UNICODE RT_BIT_32(30)
3438	#define DBGC_DUMP_MEM_F_FAR RT_BIT_32(29)
3439	#define DBGC_DUMP_MEM_F_SYMBOLS RT_BIT_32(28)
3440	#define DBGC_DUMP_MEM_F_SIZE UINT32_C(0x0000ffff)
3441
3442	/*
3443	* Figure out the element size.
3444	*/
3445	unsigned cbElement;
3446	bool fAscii = false;
3447	bool fUnicode = false;
3448	bool fFar = false;
3449	bool fSymbols = pCmd->pszCmd[1] && pCmd->pszCmd[2] == 's';
3450	switch (pCmd->pszCmd[1])
3451	{
3452	default:
3453	case 'b': cbElement = 1; break;
3454	case 'w': cbElement = 2; break;
3455	case 'd': cbElement = 4; break;
3456	case 'q': cbElement = 8; break;
3457	case 'a':
3458	cbElement = 1;
3459	fAscii = true;
3460	break;
3461	case 'F':
3462	cbElement = 4;
3463	fFar = true;
3464	break;
3465	case 'p':
3466	cbElement = DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu) ? 8 : 4;
3467	break;
3468	case 'u':
3469	cbElement = 2;
3470	fUnicode = true;
3471	break;
3472	case '\0':
3473	fAscii = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_ASCII);
3474	fSymbols = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SYMBOLS);
3475	fUnicode = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_UNICODE);
3476	fFar = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_FAR);
3477	cbElement = pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SIZE;
3478	if (!cbElement)
3479	cbElement = 1;
3480	break;
3481	}
3482	uint32_t const cbDumpElement = cbElement
3483	\| (fSymbols ? DBGC_DUMP_MEM_F_SYMBOLS : 0)
3484	\| (fFar ? DBGC_DUMP_MEM_F_FAR : 0)
3485	\| (fUnicode ? DBGC_DUMP_MEM_F_UNICODE : 0)
3486	\| (fAscii ? DBGC_DUMP_MEM_F_ASCII : 0);
3487	pDbgc->cbDumpElement = cbDumpElement;
3488
3489	/*
3490	* Find address.
3491	*/
3492	if (!cArgs)
3493	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_NONE;
3494	else
3495	pDbgc->DumpPos = paArgs[0];
3496
3497	/*
3498	* Range.
3499	*/
3500	switch (pDbgc->DumpPos.enmRangeType)
3501	{
3502	case DBGCVAR_RANGE_NONE:
3503	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3504	pDbgc->DumpPos.u64Range = 0x60;
3505	break;
3506
3507	case DBGCVAR_RANGE_ELEMENTS:
3508	if (pDbgc->DumpPos.u64Range > 2048)
3509	return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many elements requested. Max is 2048 elements.\n");
3510	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3511	pDbgc->DumpPos.u64Range = (cbElement ? cbElement : 1) * pDbgc->DumpPos.u64Range;
3512	break;
3513
3514	case DBGCVAR_RANGE_BYTES:
3515	if (pDbgc->DumpPos.u64Range > 65536)
3516	return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
3517	break;
3518
3519	default:
3520	return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->DumpPos.enmRangeType);
3521	}
3522
3523	pDbgc->pLastPos = &pDbgc->DumpPos;
3524
3525	/*
3526	* Do the dumping.
3527	*/
3528	int cbLeft = (int)pDbgc->DumpPos.u64Range;
3529	uint8_t u16Prev = '\0';
3530	for (;;)
3531	{
3532	/*
3533	* Read memory.
3534	*/
3535	char achBuffer[16];
3536	size_t cbReq = RT_MIN((int)sizeof(achBuffer), cbLeft);
3537	size_t cb = RT_MIN((int)sizeof(achBuffer), cbLeft);
3538	int rc = pCmdHlp->pfnMemRead(pCmdHlp, &achBuffer, cbReq, &pDbgc->DumpPos, &cb);
3539	if (RT_FAILURE(rc))
3540	{
3541	if (u16Prev && u16Prev != '\n')
3542	DBGCCmdHlpPrintf(pCmdHlp, "\n");
3543	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading memory at %DV.\n", &pDbgc->DumpPos);
3544	}
3545
3546	/*
3547	* Display it.
3548	*/
3549	memset(&achBuffer[cb], 0, sizeof(achBuffer) - cb);
3550	if (!fAscii && !fUnicode)
3551	{
3552	DBGCCmdHlpPrintf(pCmdHlp, "%DV:", &pDbgc->DumpPos);
3553	unsigned i;
3554	for (i = 0; i < cb; i += cbElement)
3555	{
3556	const char *pszSpace = " ";
3557	if (cbElement <= 2 && i == 8)
3558	pszSpace = "-";
3559	switch (cbElement)
3560	{
3561	case 1:
3562	DBGCCmdHlpPrintf(pCmdHlp, "%s%02x", pszSpace, (uint8_t )&achBuffer[i]);
3563	break;
3564	case 2:
3565	DBGCCmdHlpPrintf(pCmdHlp, "%s%04x", pszSpace, (uint16_t )&achBuffer[i]);
3566	break;
3567	case 4:
3568	if (!fFar)
3569	DBGCCmdHlpPrintf(pCmdHlp, "%s%08x", pszSpace, (uint32_t )&achBuffer[i]);
3570	else
3571	DBGCCmdHlpPrintf(pCmdHlp, "%s%04x:%04x:",
3572	pszSpace, (uint16_t )&achBuffer[i + 2], (uint16_t )&achBuffer[i]);
3573	break;
3574	case 8:
3575	DBGCCmdHlpPrintf(pCmdHlp, "%s%016llx", pszSpace, (uint64_t )&achBuffer[i]);
3576	break;
3577	}
3578
3579	if (fSymbols)
3580	{
3581	/* Try lookup symbol for the above address. */
3582	DBGFADDRESS Addr;
3583	rc = VINF_SUCCESS;
3584	if (cbElement == 8)
3585	DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, (uint64_t )&achBuffer[i]);
3586	else if (!fFar)
3587	DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, (uint32_t )&achBuffer[i]);
3588	else
3589	rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr,
3590	(uint16_t )&achBuffer[i + 2], (uint16_t )&achBuffer[i]);
3591	if (RT_SUCCESS(rc))
3592	{
3593	RTINTPTR offDisp;
3594	RTDBGSYMBOL Symbol;
3595	rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, &Addr,
3596	RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL \| RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
3597	&offDisp, &Symbol, NULL);
3598	if (RT_SUCCESS(rc))
3599	{
3600	if (!offDisp)
3601	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", Symbol.szName);
3602	else if (offDisp > 0)
3603	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s + %RGv", Symbol.szName, offDisp);
3604	else
3605	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s - %RGv", Symbol.szName, -offDisp);
3606	if (Symbol.cb > 0)
3607	rc = DBGCCmdHlpPrintf(pCmdHlp, " (LB %RGv)", Symbol.cb);
3608	}
3609	}
3610
3611	/* Next line prefix. */
3612	unsigned iNext = i + cbElement;
3613	if (iNext < cb)
3614	{
3615	DBGCVAR TmpPos = pDbgc->DumpPos;
3616	DBGCCmdHlpEval(pCmdHlp, &TmpPos, "(%Dv) + %x", &pDbgc->DumpPos, iNext);
3617	DBGCCmdHlpPrintf(pCmdHlp, "\n%DV:", &pDbgc->DumpPos);
3618	}
3619	}
3620	}
3621
3622	/* Chars column. */
3623	if (cbElement == 1)
3624	{
3625	while (i++ < sizeof(achBuffer))
3626	DBGCCmdHlpPrintf(pCmdHlp, " ");
3627	DBGCCmdHlpPrintf(pCmdHlp, " ");
3628	for (i = 0; i < cb; i += cbElement)
3629	{
3630	uint8_t u8 = (uint8_t )&achBuffer[i];
3631	if (RT_C_IS_PRINT(u8) && u8 < 127 && u8 >= 32)
3632	DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
3633	else
3634	DBGCCmdHlpPrintf(pCmdHlp, ".");
3635	}
3636	}
3637	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3638	}
3639	else
3640	{
3641	/*
3642	* We print up to the first zero and stop there.
3643	* Only printables + '\t' and '\n' are printed.
3644	*/
3645	if (!u16Prev)
3646	DBGCCmdHlpPrintf(pCmdHlp, "%DV:\n", &pDbgc->DumpPos);
3647	uint16_t u16 = '\0';
3648	unsigned i;
3649	for (i = 0; i < cb; i += cbElement)
3650	{
3651	u16Prev = u16;
3652	if (cbElement == 1)
3653	u16 = (uint8_t )&achBuffer[i];
3654	else
3655	u16 = (uint16_t )&achBuffer[i];
3656	if ( u16 < 127
3657	&& ( (RT_C_IS_PRINT(u16) && u16 >= 32)
3658	\|\| u16 == '\t'
3659	\|\| u16 == '\n'))
3660	DBGCCmdHlpPrintf(pCmdHlp, "%c", (int)u16);
3661	else if (!u16)
3662	break;
3663	else
3664	DBGCCmdHlpPrintf(pCmdHlp, "\\x%0x", cbElement 2, u16);
3665	}
3666	if (u16 == '\0')
3667	cb = cbLeft = i + 1;
3668	if (cbLeft - cb <= 0 && u16Prev != '\n')
3669	DBGCCmdHlpPrintf(pCmdHlp, "\n");
3670	}
3671
3672	/*
3673	* Advance
3674	*/
3675	cbLeft -= (int)cb;
3676	rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DumpPos, "(%Dv) + %x", &pDbgc->DumpPos, cb);
3677	if (RT_FAILURE(rc))
3678	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->DumpPos, cb);
3679	if (cbLeft <= 0)
3680	break;
3681	}
3682
3683	NOREF(pCmd);
3684	return VINF_SUCCESS;
3685	}
3686
3687
3688	/**
3689	* Best guess at which paging mode currently applies to the guest
3690	* paging structures.
3691	*
3692	* This have to come up with a decent answer even when the guest
3693	* is in non-paged protected mode or real mode.
3694	*
3695	* @returns cr3.
3696	* @param pDbgc The DBGC instance.
3697	* @param pfPAE Where to store the page address extension indicator.
3698	* @param pfLME Where to store the long mode enabled indicator.
3699	* @param pfPSE Where to store the page size extension indicator.
3700	* @param pfPGE Where to store the page global enabled indicator.
3701	* @param pfNXE Where to store the no-execution enabled indicator.
3702	*/
3703	static RTGCPHYS dbgcGetGuestPageMode(PDBGC pDbgc, bool pfPAE, bool pfLME, bool pfPSE, bool pfPGE, bool *pfNXE)
3704	{
3705	#if defined(VBOX_VMM_TARGET_ARMV8)
3706	AssertReleaseFailed();
3707	RT_NOREF(pDbgc, pfPAE, pfLME, pfPSE, pfPGE, pfNXE);
3708	return ~(RTGCPHYS)0;
3709	#else
3710	PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3711	RTGCUINTREG cr4 = CPUMGetGuestCR4(pVCpu);
3712	*pfPSE = !!(cr4 & X86_CR4_PSE);
3713	*pfPGE = !!(cr4 & X86_CR4_PGE);
3714	if (cr4 & X86_CR4_PAE)
3715	{
3716	*pfPSE = true;
3717	*pfPAE = true;
3718	}
3719	else
3720	*pfPAE = false;
3721
3722	*pfLME = CPUMGetGuestMode(pVCpu) == CPUMMODE_LONG;
3723	pfNXE = false; / GUEST64 GUESTNX */
3724	return CPUMGetGuestCR3(pVCpu);
3725	#endif
3726	}
3727
3728
3729	/**
3730	* Determine the shadow paging mode.
3731	*
3732	* @returns cr3.
3733	* @param pDbgc The DBGC instance.
3734	* @param pfPAE Where to store the page address extension indicator.
3735	* @param pfLME Where to store the long mode enabled indicator.
3736	* @param pfPSE Where to store the page size extension indicator.
3737	* @param pfPGE Where to store the page global enabled indicator.
3738	* @param pfNXE Where to store the no-execution enabled indicator.
3739	*/
3740	static RTHCPHYS dbgcGetShadowPageMode(PDBGC pDbgc, bool pfPAE, bool pfLME, bool pfPSE, bool pfPGE, bool *pfNXE)
3741	{
3742	PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3743
3744	*pfPSE = true;
3745	*pfPGE = false;
3746	switch (PGMGetShadowMode(pVCpu))
3747	{
3748	default:
3749	case PGMMODE_32_BIT:
3750	pfPAE = pfLME = *pfNXE = false;
3751	break;
3752	case PGMMODE_PAE:
3753	pfLME = pfNXE = false;
3754	*pfPAE = true;
3755	break;
3756	case PGMMODE_PAE_NX:
3757	*pfLME = false;
3758	pfPAE = pfNXE = true;
3759	break;
3760	case PGMMODE_AMD64:
3761	*pfNXE = false;
3762	pfPAE = pfLME = true;
3763	break;
3764	case PGMMODE_AMD64_NX:
3765	pfPAE = pfLME = *pfNXE = true;
3766	break;
3767	}
3768	return PGMGetHyperCR3(pVCpu);
3769	}
3770
3771
3772	/**
3773	* @callback_method_impl{FNDBGCCMD,
3774	* The 'dpd'\, 'dpda'\, 'dpdb'\, 'dpdg' and 'dpdh' commands.}
3775	*/
3776	static DECLCALLBACK(int) dbgcCmdDumpPageDir(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3777	{
3778	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3779
3780	/*
3781	* Validate input.
3782	*/
3783	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3784	if (cArgs == 1 && pCmd->pszCmd[3] == 'a')
3785	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3786	if (cArgs == 1 && pCmd->pszCmd[3] != 'a')
3787	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3788	\|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
3789	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3790
3791	/*
3792	* Guest or shadow page directories? Get the paging parameters.
3793	*/
3794	bool fGuest = pCmd->pszCmd[3] != 'h';
3795	if (!pCmd->pszCmd[3] \|\| pCmd->pszCmd[3] == 'a')
3796	fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER ? true : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
3797
3798	bool fPAE, fLME, fPSE, fPGE, fNXE;
3799	uint64_t cr3 = fGuest
3800	? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
3801	: dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
3802	const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
3803
3804	/*
3805	* Setup default argument if none was specified.
3806	* Fix address / index confusion.
3807	*/
3808	DBGCVAR VarDefault;
3809	if (!cArgs)
3810	{
3811	if (pCmd->pszCmd[3] == 'a')
3812	{
3813	if (fLME \|\| fPAE)
3814	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");
3815	if (fGuest)
3816	DBGCVAR_INIT_GC_PHYS(&VarDefault, cr3);
3817	else
3818	DBGCVAR_INIT_HC_PHYS(&VarDefault, cr3);
3819	}
3820	else
3821	DBGCVAR_INIT_GC_FLAT(&VarDefault, 0);
3822	paArgs = &VarDefault;
3823	cArgs = 1;
3824	}
3825	else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
3826	{
3827	/* If it's a number (not an address), it's an index, so convert it to an address. */
3828	Assert(pCmd->pszCmd[3] != 'a');
3829	VarDefault = paArgs[0];
3830	if (fPAE)
3831	return DBGCCmdHlpPrintf(pCmdHlp, "PDE indexing is only implemented for 32-bit paging.\n");
3832	if (VarDefault.u.u64Number >= PAGE_SIZE / cbEntry)
3833	return DBGCCmdHlpPrintf(pCmdHlp, "PDE index is out of range [0..%d].\n", PAGE_SIZE / cbEntry - 1);
3834	VarDefault.u.u64Number <<= X86_PD_SHIFT;
3835	VarDefault.enmType = DBGCVAR_TYPE_GC_FLAT;
3836	paArgs = &VarDefault;
3837	}
3838
3839	/*
3840	* Locate the PDE to start displaying at.
3841	*
3842	* The 'dpda' command takes the address of a PDE, while the others are guest
3843	* virtual address which PDEs should be displayed. So, 'dpda' is rather simple
3844	* while the others require us to do all the tedious walking thru the paging
3845	* hierarchy to find the intended PDE.
3846	*/
3847	unsigned iEntry = ~0U; /* The page directory index. ~0U for 'dpta'. */
3848	DBGCVAR VarGCPtr = { NULL, }; /* The GC address corresponding to the current PDE (iEntry != ~0U). */
3849	DBGCVAR VarPDEAddr; /* The address of the current PDE. */
3850	unsigned cEntries; /* The number of entries to display. */
3851	unsigned cEntriesMax; /* The max number of entries to display. */
3852	int rc;
3853	if (pCmd->pszCmd[3] == 'a')
3854	{
3855	VarPDEAddr = paArgs[0];
3856	switch (VarPDEAddr.enmRangeType)
3857	{
3858	case DBGCVAR_RANGE_BYTES: cEntries = VarPDEAddr.u64Range / cbEntry; break;
3859	case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPDEAddr.u64Range; break;
3860	default: cEntries = 10; break;
3861	}
3862	cEntriesMax = PAGE_SIZE / cbEntry;
3863	}
3864	else
3865	{
3866	/*
3867	* Determine the range.
3868	*/
3869	switch (paArgs[0].enmRangeType)
3870	{
3871	case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
3872	case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
3873	default: cEntries = 10; break;
3874	}
3875
3876	/*
3877	* Normalize the input address, it must be a flat GC address.
3878	*/
3879	rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
3880	if (RT_FAILURE(rc))
3881	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
3882	if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
3883	{
3884	VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
3885	VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
3886	}
3887	if (fPAE)
3888	VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_PAE_SHIFT) - 1);
3889	else
3890	VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_SHIFT) - 1);
3891
3892	/*
3893	* Do the paging walk until we get to the page directory.
3894	*/
3895	DBGCVAR VarCur;
3896	if (fGuest)
3897	DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
3898	else
3899	DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
3900	if (fLME)
3901	{
3902	/* Page Map Level 4 Lookup. */
3903	/* Check if it's a valid address first? */
3904	VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
3905	VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
3906	X86PML4E Pml4e;
3907	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
3908	if (RT_FAILURE(rc))
3909	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
3910	if (!Pml4e.n.u1Present)
3911	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
3912
3913	VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
3914	Assert(fPAE);
3915	}
3916	if (fPAE)
3917	{
3918	/* Page directory pointer table. */
3919	X86PDPE Pdpe;
3920	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
3921	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
3922	if (RT_FAILURE(rc))
3923	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
3924	if (!Pdpe.n.u1Present)
3925	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
3926
3927	iEntry = (VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK;
3928	VarPDEAddr = VarCur;
3929	VarPDEAddr.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
3930	VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDEPAE);
3931	}
3932	else
3933	{
3934	/* 32-bit legacy - CR3 == page directory. */
3935	iEntry = (VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK;
3936	VarPDEAddr = VarCur;
3937	VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDE);
3938	}
3939	cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
3940	}
3941
3942	/* adjust cEntries */
3943	cEntries = RT_MAX(1, cEntries);
3944	cEntries = RT_MIN(cEntries, cEntriesMax);
3945
3946	/*
3947	* The display loop.
3948	*/
3949	DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (index %#x):\n" : "%DV:\n",
3950	&VarPDEAddr, iEntry);
3951	do
3952	{
3953	/*
3954	* Read.
3955	*/
3956	X86PDEPAE Pde;
3957	Pde.u = 0;
3958	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, cbEntry, &VarPDEAddr, NULL);
3959	if (RT_FAILURE(rc))
3960	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarPDEAddr);
3961
3962	/*
3963	* Display.
3964	*/
3965	if (iEntry != ~0U)
3966	{
3967	DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
3968	iEntry++;
3969	}
3970	if (fPSE && Pde.b.u1Size)
3971	DBGCCmdHlpPrintf(pCmdHlp,
3972	fPAE
3973	? "%016llx big phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
3974	: "%08llx big phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
3975	Pde.u,
3976	Pde.u & X86_PDE_PAE_PG_MASK,
3977	Pde.b.u1Present ? "p " : "np",
3978	Pde.b.u1Write ? "w" : "r",
3979	Pde.b.u1User ? "u" : "s",
3980	Pde.b.u1Accessed ? "a " : "na",
3981	Pde.b.u1Dirty ? "d " : "nd",
3982	Pde.b.u3Available,
3983	Pde.b.u1Global ? (fPGE ? "g" : "G") : " ",
3984	Pde.b.u1WriteThru ? "pwt" : " ",
3985	Pde.b.u1CacheDisable ? "pcd" : " ",
3986	Pde.b.u1PAT ? "pat" : "",
3987	Pde.b.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
3988	else
3989	DBGCCmdHlpPrintf(pCmdHlp,
3990	fPAE
3991	? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s"
3992	: "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s",
3993	Pde.u,
3994	Pde.u & X86_PDE_PAE_PG_MASK,
3995	Pde.n.u1Present ? "p " : "np",
3996	Pde.n.u1Write ? "w" : "r",
3997	Pde.n.u1User ? "u" : "s",
3998	Pde.n.u1Accessed ? "a " : "na",
3999	Pde.u & RT_BIT(6) ? "6 " : " ",
4000	Pde.n.u3Available,
4001	Pde.u & RT_BIT(8) ? "8" : " ",
4002	Pde.n.u1WriteThru ? "pwt" : " ",
4003	Pde.n.u1CacheDisable ? "pcd" : " ",
4004	Pde.u & RT_BIT(7) ? "7" : "",
4005	Pde.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
4006	if (Pde.u & UINT64_C(0x7fff000000000000))
4007	DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pde.u & UINT64_C(0x7fff000000000000)));
4008	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
4009	if (RT_FAILURE(rc))
4010	return rc;
4011
4012	/*
4013	* Advance.
4014	*/
4015	VarPDEAddr.u.u64Number += cbEntry;
4016	if (iEntry != ~0U)
4017	VarGCPtr.u.GCFlat += fPAE ? RT_BIT_32(X86_PD_PAE_SHIFT) : RT_BIT_32(X86_PD_SHIFT);
4018	} while (cEntries-- > 0);
4019
4020	return VINF_SUCCESS;
4021	}
4022
4023
4024	/**
4025	* @callback_method_impl{FNDBGCCMD, The 'dpdb' command.}
4026	*/
4027	static DECLCALLBACK(int) dbgcCmdDumpPageDirBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4028	{
4029	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4030	int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dpdg %DV", &paArgs[0]);
4031	int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpdh %DV", &paArgs[0]);
4032	if (RT_FAILURE(rc1))
4033	return rc1;
4034	NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
4035	return rc2;
4036	}
4037
4038
4039	/**
4040	* @callback_method_impl{FNDBGCCMD, The 'dph*' commands and main part of 'm'.}
4041	*/
4042	static DECLCALLBACK(int) dbgcCmdDumpPageHierarchy(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4043	{
4044	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4045	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4046
4047	/*
4048	* Figure the context and base flags.
4049	*/
4050	uint32_t fFlags = DBGFPGDMP_FLAGS_PAGE_INFO \| DBGFPGDMP_FLAGS_PRINT_CR3;
4051	if (pCmd->pszCmd[0] == 'm')
4052	fFlags \|= DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW;
4053	else if (pCmd->pszCmd[3] == '\0')
4054	fFlags \|= DBGFPGDMP_FLAGS_GUEST;
4055	else if (pCmd->pszCmd[3] == 'g')
4056	fFlags \|= DBGFPGDMP_FLAGS_GUEST;
4057	else if (pCmd->pszCmd[3] == 'h')
4058	fFlags \|= DBGFPGDMP_FLAGS_SHADOW;
4059	else
4060	AssertFailed();
4061
4062	if (pDbgc->cPagingHierarchyDumps == 0)
4063	fFlags \|= DBGFPGDMP_FLAGS_HEADER;
4064	pDbgc->cPagingHierarchyDumps = (pDbgc->cPagingHierarchyDumps + 1) % 42;
4065
4066	/*
4067	* Get the range.
4068	*/
4069	PCDBGCVAR pRange = cArgs > 0 ? &paArgs[0] : pDbgc->pLastPos;
4070	RTGCPTR GCPtrFirst = NIL_RTGCPTR;
4071	int rc = DBGCCmdHlpVarToFlatAddr(pCmdHlp, pRange, &GCPtrFirst);
4072	if (RT_FAILURE(rc))
4073	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to convert %DV to a flat address: %Rrc", pRange, rc);
4074
4075	uint64_t cbRange;
4076	rc = DBGCCmdHlpVarGetRange(pCmdHlp, pRange, PAGE_SIZE, PAGE_SIZE * 8, &cbRange);
4077	if (RT_FAILURE(rc))
4078	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to obtain the range of %DV: %Rrc", pRange, rc);
4079
4080	RTGCPTR GCPtrLast = RTGCPTR_MAX - GCPtrFirst;
4081	if (cbRange >= GCPtrLast)
4082	GCPtrLast = RTGCPTR_MAX;
4083	else if (!cbRange)
4084	GCPtrLast = GCPtrFirst;
4085	else
4086	GCPtrLast = GCPtrFirst + cbRange - 1;
4087
4088	/*
4089	* Do we have a CR3?
4090	*/
4091	uint64_t cr3 = 0;
4092	if (cArgs > 1)
4093	{
4094	if ((fFlags & (DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW)) == (DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW))
4095	return DBGCCmdHlpFail(pCmdHlp, pCmd, "No CR3 or mode arguments when dumping both context, please.");
4096	if (paArgs[1].enmType != DBGCVAR_TYPE_NUMBER)
4097	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The CR3 argument is not a number: %DV", &paArgs[1]);
4098	cr3 = paArgs[1].u.u64Number;
4099	}
4100	else
4101	fFlags \|= DBGFPGDMP_FLAGS_CURRENT_CR3;
4102
4103	/*
4104	* Do we have a mode?
4105	*/
4106	if (cArgs > 2)
4107	{
4108	if (paArgs[2].enmType != DBGCVAR_TYPE_STRING)
4109	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The mode argument is not a string: %DV", &paArgs[2]);
4110	static const struct MODETOFLAGS
4111	{
4112	const char *pszName;
4113	uint32_t fFlags;
4114	} s_aModeToFlags[] =
4115	{
4116	{ "ept", DBGFPGDMP_FLAGS_EPT },
4117	{ "legacy", 0 },
4118	{ "legacy-np", DBGFPGDMP_FLAGS_NP },
4119	{ "pse", DBGFPGDMP_FLAGS_PSE },
4120	{ "pse-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_NP },
4121	{ "pae", DBGFPGDMP_FLAGS_PSE</