DBGCEmulateCodeView.cpp@ 103422

Last change on this file since 103422 was 103422, checked in by vboxsync, 10 months ago
Debugger: Fix some harmless warnings, bugref:3409
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 320.8 KB

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1	/* $Id: DBGCEmulateCodeView.cpp 103422 2024-02-19 10:05:01Z 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. Special 'all' register for showing all. Append a dot '.' to display sub-fields and aliases." },
502	{ "rg", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegGuest, "[reg [[=] newval]]", "Show or set register(s) - guest reg set. Special 'all' register for showing all. Append a dot '.' to display sub-fields and aliases." },
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	* @param hFlowBb The basic block handle.
1569	* @param pDumpBb The dumper state to fill in for the basic block.
1570	*/
1571	static void dbgcCmdUnassembleCfgDumpCalcBbSize(DBGFFLOWBB hFlowBb, PDBGCFLOWBBDUMP pDumpBb)
1572	{
1573	uint32_t fFlags = DBGFR3FlowBbGetFlags(hFlowBb);
1574	uint32_t cInstr = DBGFR3FlowBbGetInstrCount(hFlowBb);
1575
1576	pDumpBb->hFlowBb = hFlowBb;
1577	pDumpBb->cchHeight = cInstr + 4; /* Include spacing and border top and bottom. */
1578	pDumpBb->cchWidth = 0;
1579	DBGFR3FlowBbGetStartAddress(hFlowBb, &pDumpBb->AddrStart);
1580
1581	DBGFFLOWBBENDTYPE enmType = DBGFR3FlowBbGetType(hFlowBb);
1582	if ( enmType == DBGFFLOWBBENDTYPE_COND
1583	\|\| enmType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1584	\|\| enmType == DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP)
1585	DBGFR3FlowBbGetBranchAddress(hFlowBb, &pDumpBb->AddrTarget);
1586
1587	if (fFlags & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1588	{
1589	const char *pszErr = NULL;
1590	DBGFR3FlowBbQueryError(hFlowBb, &pszErr);
1591	if (pszErr)
1592	{
1593	pDumpBb->cchHeight++;
1594	pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszErr));
1595	}
1596	}
1597	for (unsigned i = 0; i < cInstr; i++)
1598	{
1599	const char *pszInstr = NULL;
1600	int rc = DBGFR3FlowBbQueryInstr(hFlowBb, i, NULL, NULL, &pszInstr);
1601	AssertRC(rc);
1602	pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszInstr));
1603	}
1604	pDumpBb->cchWidth += 4; /* Include spacing and border left and right. */
1605	}
1606
1607
1608	/**
1609	* Dumps a top or bottom boundary line.
1610	*
1611	* @param hScreen The screen to draw to.
1612	* @param uStartX Where to start drawing the boundary.
1613	* @param uStartY Y coordinate.
1614	* @param cchWidth Width of the boundary.
1615	* @param enmColor The color to use for drawing.
1616	*/
1617	static void dbgcCmdUnassembleCfgDumpBbBoundary(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1618	DBGCSCREENCOLOR enmColor)
1619	{
1620	dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '+', enmColor);
1621	dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1622	uStartY, '-', enmColor);
1623	dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '+', enmColor);
1624	}
1625
1626
1627	/**
1628	* Dumps a spacing line between the top or bottom boundary and the actual disassembly.
1629	*
1630	* @param hScreen The screen to draw to.
1631	* @param uStartX Where to start drawing the spacing.
1632	* @param uStartY Y coordinate.
1633	* @param cchWidth Width of the spacing.
1634	* @param enmColor The color to use for drawing.
1635	*/
1636	static void dbgcCmdUnassembleCfgDumpBbSpacing(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1637	DBGCSCREENCOLOR enmColor)
1638	{
1639	dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '\|', enmColor);
1640	dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1641	uStartY, ' ', enmColor);
1642	dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '\|', enmColor);
1643	}
1644
1645
1646	/**
1647	* Writes a given text to the screen.
1648	*
1649	* @param hScreen The screen to draw to.
1650	* @param uStartX Where to start drawing the line.
1651	* @param uStartY Y coordinate.
1652	* @param cchWidth Maximum width of the text.
1653	* @param pszText The text to write.
1654	* @param enmTextColor The color to use for drawing the text.
1655	* @param enmBorderColor The color to use for drawing the border.
1656	*/
1657	static void dbgcCmdUnassembleCfgDumpBbText(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY,
1658	uint32_t cchWidth, const char *pszText,
1659	DBGCSCREENCOLOR enmTextColor, DBGCSCREENCOLOR enmBorderColor)
1660	{
1661	dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '\|', enmBorderColor);
1662	dbgcScreenAsciiDrawCharacter(hScreen, uStartX + 1, uStartY, ' ', enmTextColor);
1663	dbgcScreenAsciiDrawString(hScreen, uStartX + 2, uStartY, pszText, enmTextColor);
1664	dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '\|', enmBorderColor);
1665	}
1666
1667
1668	/**
1669	* Dumps one basic block using the dumper callback.
1670	*
1671	* @param pDumpBb The basic block dump state to dump.
1672	* @param hScreen The screen to draw to.
1673	*/
1674	static void dbgcCmdUnassembleCfgDumpBb(PDBGCFLOWBBDUMP pDumpBb, DBGCSCREEN hScreen)
1675	{
1676	uint32_t uStartY = pDumpBb->uStartY;
1677	bool fError = RT_BOOL(DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR);
1678	DBGCSCREENCOLOR enmColor = fError ? DBGCSCREENCOLOR_RED_BRIGHT : DBGCSCREENCOLOR_DEFAULT;
1679
1680	dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1681	uStartY++;
1682	dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1683	uStartY++;
1684
1685	uint32_t cInstr = DBGFR3FlowBbGetInstrCount(pDumpBb->hFlowBb);
1686	for (unsigned i = 0; i < cInstr; i++)
1687	{
1688	const char *pszInstr = NULL;
1689	DBGFR3FlowBbQueryInstr(pDumpBb->hFlowBb, i, NULL, NULL, &pszInstr);
1690	dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY + i,
1691	pDumpBb->cchWidth, pszInstr, DBGCSCREENCOLOR_DEFAULT,
1692	enmColor);
1693	}
1694	uStartY += cInstr;
1695
1696	if (fError)
1697	{
1698	const char *pszErr = NULL;
1699	DBGFR3FlowBbQueryError(pDumpBb->hFlowBb, &pszErr);
1700	if (pszErr)
1701	dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY,
1702	pDumpBb->cchWidth, pszErr, enmColor,
1703	enmColor);
1704	uStartY++;
1705	}
1706
1707	dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1708	uStartY++;
1709	dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1710	uStartY++;
1711	}
1712
1713
1714	/**
1715	* Dumps one branch table using the dumper callback.
1716	*
1717	* @param pDumpBranchTbl The basic block dump state to dump.
1718	* @param hScreen The screen to draw to.
1719	*/
1720	static void dbgcCmdUnassembleCfgDumpBranchTbl(PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl, DBGCSCREEN hScreen)
1721	{
1722	uint32_t uStartY = pDumpBranchTbl->uStartY;
1723	DBGCSCREENCOLOR enmColor = DBGCSCREENCOLOR_CYAN_BRIGHT;
1724
1725	dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1726	uStartY++;
1727	dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1728	uStartY++;
1729
1730	uint32_t cSlots = DBGFR3FlowBranchTblGetSlots(pDumpBranchTbl->hFlowBranchTbl);
1731	for (unsigned i = 0; i < cSlots; i++)
1732	{
1733	DBGFADDRESS Addr;
1734	char szAddr[128];
1735
1736	RT_ZERO(szAddr);
1737	DBGFR3FlowBranchTblGetAddrAtSlot(pDumpBranchTbl->hFlowBranchTbl, i, &Addr);
1738
1739	if (Addr.Sel == DBGF_SEL_FLAT)
1740	RTStrPrintf(&szAddr[0], sizeof(szAddr), "%RGv", Addr.FlatPtr);
1741	else
1742	RTStrPrintf(&szAddr[0], sizeof(szAddr), "%04x:%RGv", Addr.Sel, Addr.off);
1743
1744	dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBranchTbl->uStartX, uStartY + i,
1745	pDumpBranchTbl->cchWidth, &szAddr[0], DBGCSCREENCOLOR_DEFAULT,
1746	enmColor);
1747	}
1748	uStartY += cSlots;
1749
1750	dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1751	uStartY++;
1752	dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1753	uStartY++;
1754	}
1755
1756
1757	/**
1758	* Fills in the dump states for the basic blocks and branch tables.
1759	*
1760	* @returns VBox status code.
1761	* @param hFlowIt The control flow graph iterator handle.
1762	* @param hFlowBranchTblIt The control flow graph branch table iterator handle.
1763	* @param paDumpBb The array of basic block dump states.
1764	* @param paDumpBranchTbl The array of branch table dump states.
1765	* @param cBbs Number of basic blocks.
1766	* @param cBranchTbls Number of branch tables.
1767	*/
1768	static int dbgcCmdUnassembleCfgDumpCalcDimensions(DBGFFLOWIT hFlowIt, DBGFFLOWBRANCHTBLIT hFlowBranchTblIt,
1769	PDBGCFLOWBBDUMP paDumpBb, PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl,
1770	uint32_t cBbs, uint32_t cBranchTbls)
1771	{
1772	RT_NOREF2(cBbs, cBranchTbls);
1773
1774	/* Calculate the sizes of each basic block first. */
1775	DBGFFLOWBB hFlowBb = DBGFR3FlowItNext(hFlowIt);
1776	uint32_t idx = 0;
1777	while (hFlowBb)
1778	{
1779	dbgcCmdUnassembleCfgDumpCalcBbSize(hFlowBb, &paDumpBb[idx]);
1780	idx++;
1781	hFlowBb = DBGFR3FlowItNext(hFlowIt);
1782	}
1783
1784	if (paDumpBranchTbl)
1785	{
1786	idx = 0;
1787	DBGFFLOWBRANCHTBL hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1788	while (hFlowBranchTbl)
1789	{
1790	paDumpBranchTbl[idx].hFlowBranchTbl = hFlowBranchTbl;
1791	paDumpBranchTbl[idx].cchHeight = DBGFR3FlowBranchTblGetSlots(hFlowBranchTbl) + 4; /* Spacing and border. */
1792	paDumpBranchTbl[idx].cchWidth = 25 + 4; /* Spacing and border. */
1793	idx++;
1794	hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1795	}
1796	}
1797
1798	return VINF_SUCCESS;
1799	}
1800
1801	/**
1802	* Dumps the given control flow graph to the output.
1803	*
1804	* @returns VBox status code.
1805	* @param hCfg The control flow graph handle.
1806	* @param fUseColor Flag whether the output should be colorized.
1807	* @param pCmdHlp The command helper callback table.
1808	*/
1809	static int dbgcCmdUnassembleCfgDump(DBGFFLOW hCfg, bool fUseColor, PDBGCCMDHLP pCmdHlp)
1810	{
1811	int rc = VINF_SUCCESS;
1812	DBGFFLOWIT hCfgIt = NULL;
1813	DBGFFLOWBRANCHTBLIT hFlowBranchTblIt = NULL;
1814	uint32_t cBbs = DBGFR3FlowGetBbCount(hCfg);
1815	uint32_t cBranchTbls = DBGFR3FlowGetBranchTblCount(hCfg);
1816	PDBGCFLOWBBDUMP paDumpBb = (PDBGCFLOWBBDUMP)RTMemTmpAllocZ(cBbs * sizeof(DBGCFLOWBBDUMP));
1817	PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl = NULL;
1818
1819	if (cBranchTbls)
1820	paDumpBranchTbl = (PDBGCFLOWBRANCHTBLDUMP)RTMemAllocZ(cBranchTbls * sizeof(DBGCFLOWBRANCHTBLDUMP));
1821
1822	if (RT_UNLIKELY(!paDumpBb \|\| (!paDumpBranchTbl && cBranchTbls > 0)))
1823	rc = VERR_NO_MEMORY;
1824	if (RT_SUCCESS(rc))
1825	rc = DBGFR3FlowItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hCfgIt);
1826	if (RT_SUCCESS(rc) && cBranchTbls > 0)
1827	rc = DBGFR3FlowBranchTblItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hFlowBranchTblIt);
1828
1829	if (RT_SUCCESS(rc))
1830	{
1831	rc = dbgcCmdUnassembleCfgDumpCalcDimensions(hCfgIt, hFlowBranchTblIt, paDumpBb, paDumpBranchTbl,
1832	cBbs, cBranchTbls);
1833
1834	/* Calculate the ASCII screen dimensions and create one. */
1835	uint32_t cchWidth = 0;
1836	uint32_t cchLeftExtra = 5;
1837	uint32_t cchRightExtra = 5;
1838	uint32_t cchHeight = 0;
1839	for (unsigned i = 0; i < cBbs; i++)
1840	{
1841	PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1842	cchWidth = RT_MAX(cchWidth, pDumpBb->cchWidth);
1843	cchHeight += pDumpBb->cchHeight;
1844
1845	/* Incomplete blocks don't have a successor. */
1846	if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1847	continue;
1848
1849	switch (DBGFR3FlowBbGetType(pDumpBb->hFlowBb))
1850	{
1851	case DBGFFLOWBBENDTYPE_EXIT:
1852	case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1853	break;
1854	case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1855	if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1856	\|\| dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1857	cchLeftExtra++;
1858	else
1859	cchRightExtra++;
1860	break;
1861	case DBGFFLOWBBENDTYPE_UNCOND:
1862	cchHeight += 2; /* For the arrow down to the next basic block. */
1863	break;
1864	case DBGFFLOWBBENDTYPE_COND:
1865	cchHeight += 2; /* For the arrow down to the next basic block. */
1866	if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1867	\|\| dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1868	cchLeftExtra++;
1869	else
1870	cchRightExtra++;
1871	break;
1872	case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1873	default:
1874	AssertFailed();
1875	}
1876	}
1877
1878	for (unsigned i = 0; i < cBranchTbls; i++)
1879	{
1880	PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl = &paDumpBranchTbl[i];
1881	cchWidth = RT_MAX(cchWidth, pDumpBranchTbl->cchWidth);
1882	cchHeight += pDumpBranchTbl->cchHeight;
1883	}
1884
1885	cchWidth += 2;
1886
1887	DBGCSCREEN hScreen = NULL;
1888	rc = dbgcScreenAsciiCreate(&hScreen, cchWidth + cchLeftExtra + cchRightExtra, cchHeight);
1889	if (RT_SUCCESS(rc))
1890	{
1891	uint32_t uY = 0;
1892
1893	/* Dump the branch tables first. */
1894	for (unsigned i = 0; i < cBranchTbls; i++)
1895	{
1896	paDumpBranchTbl[i].uStartX = cchLeftExtra + (cchWidth - paDumpBranchTbl[i].cchWidth) / 2;
1897	paDumpBranchTbl[i].uStartY = uY;
1898	dbgcCmdUnassembleCfgDumpBranchTbl(&paDumpBranchTbl[i], hScreen);
1899	uY += paDumpBranchTbl[i].cchHeight;
1900	}
1901
1902	/* Dump the basic blocks and connections to the immediate successor. */
1903	for (unsigned i = 0; i < cBbs; i++)
1904	{
1905	paDumpBb[i].uStartX = cchLeftExtra + (cchWidth - paDumpBb[i].cchWidth) / 2;
1906	paDumpBb[i].uStartY = uY;
1907	dbgcCmdUnassembleCfgDumpBb(&paDumpBb[i], hScreen);
1908	uY += paDumpBb[i].cchHeight;
1909
1910	/* Incomplete blocks don't have a successor. */
1911	if (DBGFR3FlowBbGetFlags(paDumpBb[i].hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1912	continue;
1913
1914	switch (DBGFR3FlowBbGetType(paDumpBb[i].hFlowBb))
1915	{
1916	case DBGFFLOWBBENDTYPE_EXIT:
1917	case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1918	case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1919	case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1920	break;
1921	case DBGFFLOWBBENDTYPE_UNCOND:
1922	/* Draw the arrow down to the next block. */
1923	dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1924	'\|', DBGCSCREENCOLOR_BLUE_BRIGHT);
1925	uY++;
1926	dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1927	'V', DBGCSCREENCOLOR_BLUE_BRIGHT);
1928	uY++;
1929	break;
1930	case DBGFFLOWBBENDTYPE_COND:
1931	/* Draw the arrow down to the next block. */
1932	dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1933	'\|', DBGCSCREENCOLOR_RED_BRIGHT);
1934	uY++;
1935	dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1936	'V', DBGCSCREENCOLOR_RED_BRIGHT);
1937	uY++;
1938	break;
1939	default:
1940	AssertFailed();
1941	}
1942	}
1943
1944	/* Last pass, connect all remaining branches. */
1945	uint32_t uBackConns = 0;
1946	uint32_t uFwdConns = 0;
1947	for (unsigned i = 0; i < cBbs; i++)
1948	{
1949	PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1950	DBGFFLOWBBENDTYPE enmEndType = DBGFR3FlowBbGetType(pDumpBb->hFlowBb);
1951
1952	/* Incomplete blocks don't have a successor. */
1953	if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1954	continue;
1955
1956	switch (enmEndType)
1957	{
1958	case DBGFFLOWBBENDTYPE_EXIT:
1959	case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1960	case DBGFFLOWBBENDTYPE_UNCOND:
1961	break;
1962	case DBGFFLOWBBENDTYPE_COND:
1963	case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1964	{
1965	/* Find the target first to get the coordinates. */
1966	PDBGCFLOWBBDUMP pDumpBbTgt = NULL;
1967	for (unsigned idxDumpBb = 0; idxDumpBb < cBbs; idxDumpBb++)
1968	{
1969	pDumpBbTgt = &paDumpBb[idxDumpBb];
1970	if (dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBbTgt->AddrStart))
1971	break;
1972	}
1973
1974	DBGCSCREENCOLOR enmColor = enmEndType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1975	? DBGCSCREENCOLOR_YELLOW_BRIGHT
1976	: DBGCSCREENCOLOR_GREEN_BRIGHT;
1977
1978	/*
1979	* Use the right side for targets with higher addresses,
1980	* left when jumping backwards.
1981	*/
1982	if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1983	\|\| dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1984	{
1985	/* Going backwards. */
1986	uint32_t uXVerLine = /cchLeftExtra - 1 -/ uBackConns + 1;
1987	uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
1988	uBackConns++;
1989
1990	/* Draw the arrow pointing to the target block. */
1991	dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX - 1, pDumpBbTgt->uStartY,
1992	'>', enmColor);
1993	/* Draw the horizontal line. */
1994	dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBbTgt->uStartX - 2,
1995	pDumpBbTgt->uStartY, '-', enmColor);
1996	dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
1997	enmColor);
1998	/* Draw the vertical line down to the source block. */
1999	dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, pDumpBbTgt->uStartY + 1, uYHorLine - 1,
2000	'\|', enmColor);
2001	dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
2002	/* Draw the horizontal connection between the source block and vertical part. */
2003	dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBb->uStartX - 1,
2004	uYHorLine, '-', enmColor);
2005
2006	}
2007	else
2008	{
2009	/* Going forward. */
2010	uint32_t uXVerLine = cchWidth + cchLeftExtra + (cchRightExtra - uFwdConns) - 1;
2011	uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
2012	uFwdConns++;
2013
2014	/* Draw the horizontal line. */
2015	dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBb->uStartX + pDumpBb->cchWidth,
2016	uXVerLine - 1, uYHorLine, '-', enmColor);
2017	dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
2018	/* Draw the vertical line down to the target block. */
2019	dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, uYHorLine + 1, pDumpBbTgt->uStartY - 1,
2020	'\|', enmColor);
2021	/* Draw the horizontal connection between the target block and vertical part. */
2022	dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
2023	uXVerLine, pDumpBbTgt->uStartY, '-', enmColor);
2024	dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
2025	enmColor);
2026	/* Draw the arrow pointing to the target block. */
2027	dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
2028	pDumpBbTgt->uStartY, '<', enmColor);
2029	}
2030	break;
2031	}
2032	case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
2033	default:
2034	AssertFailed();
2035	}
2036	}
2037
2038	rc = dbgcScreenAsciiBlit(hScreen, dbgcCmdUnassembleCfgBlit, pCmdHlp, fUseColor);
2039	dbgcScreenAsciiDestroy(hScreen);
2040	}
2041	}
2042
2043	if (paDumpBb)
2044	{
2045	for (unsigned i = 0; i < cBbs; i++)
2046	DBGFR3FlowBbRelease(paDumpBb[i].hFlowBb);
2047	RTMemTmpFree(paDumpBb);
2048	}
2049
2050	if (paDumpBranchTbl)
2051	{
2052	for (unsigned i = 0; i < cBranchTbls; i++)
2053	DBGFR3FlowBranchTblRelease(paDumpBranchTbl[i].hFlowBranchTbl);
2054	RTMemTmpFree(paDumpBranchTbl);
2055	}
2056
2057	if (hCfgIt)
2058	DBGFR3FlowItDestroy(hCfgIt);
2059	if (hFlowBranchTblIt)
2060	DBGFR3FlowBranchTblItDestroy(hFlowBranchTblIt);
2061
2062	return rc;
2063	}
2064
2065
2066	/**
2067	* @callback_method_impl{FNDBGCCMD, The 'ucfg' command.}
2068	*/
2069	static DECLCALLBACK(int) dbgcCmdUnassembleCfg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2070	{
2071	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2072
2073	/*
2074	* Validate input.
2075	*/
2076	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2077	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
2078	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 \|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
2079
2080	if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2081	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
2082
2083	/*
2084	* Check the desired mode.
2085	*/
2086	unsigned fFlags = DBGF_DISAS_FLAGS_UNPATCHED_BYTES \| DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
2087	bool fUseColor = false;
2088	switch (pCmd->pszCmd[4])
2089	{
2090	default: AssertFailed(); RT_FALL_THRU();
2091	case '\0': fFlags \|= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
2092	case '6': fFlags \|= DBGF_DISAS_FLAGS_64BIT_MODE; break;
2093	case '3': fFlags \|= DBGF_DISAS_FLAGS_32BIT_MODE; break;
2094	case '1': fFlags \|= DBGF_DISAS_FLAGS_16BIT_MODE; break;
2095	case 'v': fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
2096	case 'c': fUseColor = true; break;
2097	}
2098
2099	/** @todo should use DBGFADDRESS for everything */
2100
2101	/*
2102	* Find address.
2103	*/
2104	if (!cArgs)
2105	{
2106	if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2107	{
2108	#if defined(VBOX_VMM_TARGET_ARMV8)
2109	AssertReleaseFailed();
2110	#else
2111	/** @todo Batch query CS, RIP, CPU mode and flags. */
2112	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2113	if (CPUMIsGuestIn64BitCode(pVCpu))
2114	{
2115	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
2116	pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
2117	}
2118	else
2119	{
2120	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
2121	pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
2122	pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
2123	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
2124	&& (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
2125	{
2126	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2127	fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
2128	}
2129	}
2130	#endif
2131
2132	fFlags \|= DBGF_DISAS_FLAGS_CURRENT_GUEST;
2133	}
2134	else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
2135	{
2136	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2137	fFlags \|= pDbgc->fDisasm & DBGF_DISAS_FLAGS_MODE_MASK;
2138	}
2139	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
2140	}
2141	else
2142	pDbgc->DisasmPos = paArgs[0];
2143	pDbgc->pLastPos = &pDbgc->DisasmPos;
2144
2145	/*
2146	* Range.
2147	*/
2148	switch (pDbgc->DisasmPos.enmRangeType)
2149	{
2150	case DBGCVAR_RANGE_NONE:
2151	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2152	pDbgc->DisasmPos.u64Range = 10;
2153	break;
2154
2155	case DBGCVAR_RANGE_ELEMENTS:
2156	if (pDbgc->DisasmPos.u64Range > 2048)
2157	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
2158	break;
2159
2160	case DBGCVAR_RANGE_BYTES:
2161	if (pDbgc->DisasmPos.u64Range > 65536)
2162	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
2163	break;
2164
2165	default:
2166	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
2167	}
2168
2169	/*
2170	* Convert physical and host addresses to guest addresses.
2171	*/
2172	RTDBGAS hDbgAs = pDbgc->hDbgAs;
2173	int rc;
2174	switch (pDbgc->DisasmPos.enmType)
2175	{
2176	case DBGCVAR_TYPE_GC_FLAT:
2177	case DBGCVAR_TYPE_GC_FAR:
2178	break;
2179	case DBGCVAR_TYPE_GC_PHYS:
2180	hDbgAs = DBGF_AS_PHYS;
2181	RT_FALL_THRU();
2182	case DBGCVAR_TYPE_HC_FLAT:
2183	case DBGCVAR_TYPE_HC_PHYS:
2184	{
2185	DBGCVAR VarTmp;
2186	rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
2187	if (RT_FAILURE(rc))
2188	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
2189	pDbgc->DisasmPos = VarTmp;
2190	break;
2191	}
2192	default: AssertFailed(); break;
2193	}
2194
2195	DBGFADDRESS CurAddr;
2196	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
2197	&& pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
2198	DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
2199	else
2200	{
2201	rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
2202	if (RT_FAILURE(rc))
2203	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
2204	}
2205
2206	DBGFFLOW hCfg;
2207	rc = DBGFR3FlowCreate(pUVM, pDbgc->idCpu, &CurAddr, 0 /cbDisasmMax/,
2208	DBGF_FLOW_CREATE_F_TRY_RESOLVE_INDIRECT_BRANCHES, fFlags, &hCfg);
2209	if (RT_SUCCESS(rc))
2210	{
2211	/* Dump the graph. */
2212	rc = dbgcCmdUnassembleCfgDump(hCfg, fUseColor, pCmdHlp);
2213	DBGFR3FlowRelease(hCfg);
2214	}
2215	else
2216	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowCreate failed on '%Dv'", &pDbgc->DisasmPos);
2217
2218	NOREF(pCmd);
2219	return rc;
2220	}
2221
2222
2223	/**
2224	* @callback_method_impl{FNDBGCCMD, The 'ls' command.}
2225	*/
2226	static DECLCALLBACK(int) dbgcCmdListSource(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2227	{
2228	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2229
2230	/*
2231	* Validate input.
2232	*/
2233	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
2234	if (cArgs == 1)
2235	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
2236	if (!pUVM && !cArgs && !DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2237	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start listing...");
2238	if (!pUVM && cArgs && DBGCVAR_ISGCPOINTER(paArgs[0].enmType))
2239	return DBGCCmdHlpFail(pCmdHlp, pCmd, "GC address but no VM");
2240
2241	/*
2242	* Find address.
2243	*/
2244	if (!cArgs)
2245	{
2246	if (!DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2247	{
2248	#if defined(VBOX_VMM_TARGET_ARMV8)
2249	AssertReleaseFailed();
2250	#else
2251	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2252	pDbgc->SourcePos.enmType = DBGCVAR_TYPE_GC_FAR;
2253	pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
2254	pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
2255	#endif
2256	}
2257	pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_NONE;
2258	}
2259	else
2260	pDbgc->SourcePos = paArgs[0];
2261	pDbgc->pLastPos = &pDbgc->SourcePos;
2262
2263	/*
2264	* Ensure the source address is flat GC.
2265	*/
2266	switch (pDbgc->SourcePos.enmType)
2267	{
2268	case DBGCVAR_TYPE_GC_FLAT:
2269	break;
2270	case DBGCVAR_TYPE_GC_PHYS:
2271	case DBGCVAR_TYPE_GC_FAR:
2272	case DBGCVAR_TYPE_HC_FLAT:
2273	case DBGCVAR_TYPE_HC_PHYS:
2274	{
2275	int rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "%%(%Dv)", &pDbgc->SourcePos);
2276	if (RT_FAILURE(rc))
2277	return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid address or address type. (rc=%d)\n", rc);
2278	break;
2279	}
2280	default: AssertFailed(); break;
2281	}
2282
2283	/*
2284	* Range.
2285	*/
2286	switch (pDbgc->SourcePos.enmRangeType)
2287	{
2288	case DBGCVAR_RANGE_NONE:
2289	pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2290	pDbgc->SourcePos.u64Range = 10;
2291	break;
2292
2293	case DBGCVAR_RANGE_ELEMENTS:
2294	if (pDbgc->SourcePos.u64Range > 2048)
2295	return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many lines requested. Max is 2048 lines.\n");
2296	break;
2297
2298	case DBGCVAR_RANGE_BYTES:
2299	if (pDbgc->SourcePos.u64Range > 65536)
2300	return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
2301	break;
2302
2303	default:
2304	return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->SourcePos.enmRangeType);
2305	}
2306
2307	/*
2308	* Do the disassembling.
2309	*/
2310	bool fFirst = 1;
2311	RTDBGLINE LinePrev = { 0, 0, 0, 0, 0, "" };
2312	int iRangeLeft = (int)pDbgc->SourcePos.u64Range;
2313	if (iRangeLeft == 0) /* kludge for 'r'. */
2314	iRangeLeft = -1;
2315	for (;;)
2316	{
2317	/*
2318	* Get line info.
2319	*/
2320	RTDBGLINE Line;
2321	RTGCINTPTR off;
2322	DBGFADDRESS SourcePosAddr;
2323	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->SourcePos, &SourcePosAddr);
2324	if (RT_FAILURE(rc))
2325	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%Dv)", &pDbgc->SourcePos);
2326	rc = DBGFR3AsLineByAddr(pUVM, pDbgc->hDbgAs, &SourcePosAddr, &off, &Line, NULL);
2327	if (RT_FAILURE(rc))
2328	return VINF_SUCCESS;
2329
2330	unsigned cLines = 0;
2331	if (memcmp(&Line, &LinePrev, sizeof(Line)))
2332	{
2333	/*
2334	* Print filenamename
2335	*/
2336	if (!fFirst && strcmp(Line.szFilename, LinePrev.szFilename))
2337	fFirst = true;
2338	if (fFirst)
2339	{
2340	rc = DBGCCmdHlpPrintf(pCmdHlp, "[%s @ %d]\n", Line.szFilename, Line.uLineNo);
2341	if (RT_FAILURE(rc))
2342	return rc;
2343	}
2344
2345	/*
2346	* Try open the file and read the line.
2347	*/
2348	FILE *phFile = fopen(Line.szFilename, "r");
2349	if (phFile)
2350	{
2351	/* Skip ahead to the desired line. */
2352	char szLine[4096];
2353	unsigned cBefore = fFirst ? RT_MIN(2, Line.uLineNo - 1) : Line.uLineNo - LinePrev.uLineNo - 1;
2354	if (cBefore > 7)
2355	cBefore = 0;
2356	unsigned cLeft = Line.uLineNo - cBefore;
2357	while (cLeft > 0)
2358	{
2359	szLine[0] = '\0';
2360	if (!fgets(szLine, sizeof(szLine), phFile))
2361	break;
2362	cLeft--;
2363	}
2364	if (!cLeft)
2365	{
2366	/* print the before lines */
2367	for (;;)
2368	{
2369	size_t cch = strlen(szLine);
2370	while (cch > 0 && (szLine[cch - 1] == '\r' \|\| szLine[cch - 1] == '\n' \|\| RT_C_IS_SPACE(szLine[cch - 1])) )
2371	szLine[--cch] = '\0';
2372	if (cBefore-- <= 0)
2373	break;
2374
2375	rc = DBGCCmdHlpPrintf(pCmdHlp, " %4d: %s\n", Line.uLineNo - cBefore - 1, szLine);
2376	szLine[0] = '\0';
2377	const char *pszShutUpGcc = fgets(szLine, sizeof(szLine), phFile); NOREF(pszShutUpGcc);
2378	cLines++;
2379	}
2380	/* print the actual line */
2381	rc = DBGCCmdHlpPrintf(pCmdHlp, "%08llx %4d: %s\n", Line.Address, Line.uLineNo, szLine);
2382	}
2383	fclose(phFile);
2384	if (RT_FAILURE(rc))
2385	return rc;
2386	fFirst = false;
2387	}
2388	else
2389	return DBGCCmdHlpPrintf(pCmdHlp, "Warning: couldn't open source file '%s'\n", Line.szFilename);
2390
2391	LinePrev = Line;
2392	}
2393
2394
2395	/*
2396	* Advance
2397	*/
2398	if (iRangeLeft < 0) /* 'r' */
2399	break;
2400	if (pDbgc->SourcePos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
2401	iRangeLeft -= cLines;
2402	else
2403	iRangeLeft -= 1;
2404	rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "(%Dv) + %x", &pDbgc->SourcePos, 1);
2405	if (RT_FAILURE(rc))
2406	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->SourcePos, 1);
2407	if (iRangeLeft <= 0)
2408	break;
2409	}
2410
2411	NOREF(pCmd);
2412	return 0;
2413	}
2414
2415
2416	/**
2417	* @callback_method_impl{FNDBGCCMD, The 'r' command.}
2418	*/
2419	static DECLCALLBACK(int) dbgcCmdReg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2420	{
2421	return dbgcCmdRegGuest(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
2422	}
2423
2424
2425	/**
2426	* @callback_method_impl{FNDBGCCMD, Common worker for the dbgcCmdReg*()
2427	* commands.}
2428	*/
2429	static DECLCALLBACK(int) dbgcCmdRegCommon(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs,
2430	const char *pszPrefix)
2431	{
2432	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2433	int rc;
2434	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 \|\| cArgs == 2 \|\| cArgs == 3);
2435	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING
2436	\|\| paArgs[0].enmType == DBGCVAR_TYPE_SYMBOL);
2437
2438	/*
2439	* Parse the register name and kind.
2440	*/
2441	bool const fAllRegs = strcmp(paArgs[0].u.pszString, "all") == 0;
2442	const char *pszReg = paArgs[0].u.pszString;
2443	if (*pszReg == '@')
2444	pszReg++;
2445	VMCPUID idCpu = pDbgc->idCpu;
2446	if (*pszPrefix)
2447	idCpu \|= DBGFREG_HYPER_VMCPUID;
2448	if (*pszReg == '.')
2449	{
2450	pszReg++;
2451	idCpu \|= DBGFREG_HYPER_VMCPUID;
2452	}
2453	const char * const pszActualPrefix = idCpu & DBGFREG_HYPER_VMCPUID ? "." : "";
2454	if (cArgs == 1)
2455	{
2456	/*
2457	* Show the register.
2458	*
2459	* If it ends with a '.' or '.*', we'll show any subfields and aliases as
2460	* well. This is a special VBox twist.
2461	*/
2462	size_t cchReg = strlen(pszReg);
2463	size_t cchSuffix = 0;
2464	if (cchReg >= 2 && pszReg[cchReg - 1] == '.')
2465	cchSuffix = 1;
2466	else if (cchReg >= 3 && pszReg[cchReg - 1] == '*' && pszReg[cchReg - 2] == '.')
2467	cchSuffix = 2;
2468
2469	char szValue[160];
2470	if (!cchSuffix && !fAllRegs)
2471	{
2472	DBGFREGVALTYPE enmType;
2473	DBGFREGVAL Value;
2474	rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType);
2475	if (RT_FAILURE(rc))
2476	{
2477	if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
2478	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
2479	pszActualPrefix, pszReg);
2480	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n",
2481	pszActualPrefix, pszReg, rc);
2482	}
2483
2484	rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &Value, enmType, true /fSpecial/);
2485	if (RT_SUCCESS(rc))
2486	rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, pszReg, szValue);
2487	else
2488	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2489	}
2490	else
2491	{
2492	/*
2493	* Register + aliases + subfields OR 'all'.
2494	*/
2495	/* Duplicate the register specifier sans suffix. */
2496	char *pszRegBase = RTStrDupN(pszReg, cchReg - cchSuffix);
2497	AssertReturn(pszRegBase, VERR_NO_STR_MEMORY);
2498
2499	/* Make a rough guess on how many entires we need, or query it in the case of 'all'. */
2500	size_t cRegsAlloc = 128;
2501	if (fAllRegs)
2502	DBGFR3RegNmQueryAllCount(pUVM, &cRegsAlloc);
2503	PDBGFREGENTRYNM paRegs = (PDBGFREGENTRYNM)RTMemTmpAlloc(sizeof(paRegs[0]) * cRegsAlloc);
2504	AssertReturnStmt(paRegs, RTStrFree(pszRegBase), VERR_NO_TMP_MEMORY);
2505	size_t cRegs = cRegsAlloc;
2506
2507	/* Query the registers.*/
2508	if (fAllRegs)
2509	rc = DBGFR3RegNmQueryAll(pUVM, paRegs, cRegs);
2510	else
2511	rc = DBGFR3RegNmQueryEx(pUVM, idCpu, pszRegBase, DBGFR3REG_QUERY_EX_F_SUBFIELDS \| DBGFR3REG_QUERY_EX_F_ALIASES,
2512	paRegs, &cRegs);
2513	if (rc == VERR_BUFFER_OVERFLOW && !fAllRegs)
2514	{
2515	RTMemTmpFree(paRegs);
2516	cRegsAlloc = cRegs;
2517	paRegs = (PDBGFREGENTRYNM)RTMemTmpAlloc(sizeof(paRegs[0]) * cRegsAlloc);
2518	AssertReturnStmt(paRegs, RTStrFree(pszRegBase), VERR_NO_TMP_MEMORY);
2519	rc = DBGFR3RegNmQueryEx(pUVM, idCpu, pszRegBase,
2520	DBGFR3REG_QUERY_EX_F_SUBFIELDS \| DBGFR3REG_QUERY_EX_F_ALIASES, paRegs, &cRegs);
2521	}
2522	if (RT_SUCCESS(rc))
2523	{
2524	/* Find max lengths and sizes for producing pretty columns. */
2525	size_t cchMaxNm = 2;
2526	size_t cchMaxSubFieldNm = 2;
2527	size_t cMaxSubFieldBits = 1;
2528	if (*pszActualPrefix == '\0')
2529	for (uint32_t iReg = 0; iReg < cRegs; iReg++)
2530	{
2531	size_t const cchName = strlen(paRegs[iReg].pszName);
2532	if (cchMaxNm < cchName)
2533	cchMaxNm = cchName;
2534	if (paRegs[iReg].u.s.fSubField)
2535	{
2536	cchMaxSubFieldNm = RT_MAX(cchMaxSubFieldNm, cchName);
2537	cMaxSubFieldBits = RT_MAX(cMaxSubFieldBits, paRegs[iReg].u.s.cBits);
2538	}
2539	}
2540
2541	/* Output the registers. */
2542	size_t cchMaxSubFieldValue = 2 + (cMaxSubFieldBits + 3) / 4;
2543	size_t cMaxSameLine = 80 / (2 + cchMaxSubFieldNm + 1 + cchMaxSubFieldValue);
2544	unsigned iSameLine = 0;
2545	for (uint32_t iReg = 0; iReg < cRegs; iReg++)
2546	{
2547	if ( !paRegs[iReg].u.s.fSubField
2548	\|\| !paRegs[iReg].u.s.cBits)
2549	rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &paRegs[iReg].Val,
2550	paRegs[iReg].enmType, true /fSpecial/);
2551	else
2552	rc = DBGFR3RegFormatValueEx(szValue, sizeof(szValue), &paRegs[iReg].Val, paRegs[iReg].enmType,
2553	16,
2554	(paRegs[iReg].u.s.cBits + 3) / 4,
2555	0,
2556	(paRegs[iReg].u.s.cBits == 1 ? 0 : RTSTR_F_SPECIAL) \| RTSTR_F_WIDTH);
2557	if (RT_SUCCESS(rc))
2558	{
2559	if (!paRegs[iReg].u.s.fSubField)
2560	{
2561	if (iSameLine > 0)
2562	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2563	if (*pszActualPrefix == '\0')
2564	rc = DBGCCmdHlpPrintf(pCmdHlp, "%*s=%s\n", cchMaxNm, paRegs[iReg].pszName, szValue);
2565	else
2566	rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, paRegs[iReg].pszName, szValue);
2567	iSameLine = 0;
2568	}
2569	else
2570	{
2571	if (*pszActualPrefix == '\0')
2572	rc = DBGCCmdHlpPrintf(pCmdHlp, " %*s=%s", cchMaxSubFieldNm, paRegs[iReg].pszName, szValue);
2573	else
2574	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s%s=%s", pszActualPrefix, paRegs[iReg].pszName, szValue);
2575	iSameLine++;
2576	if (iSameLine < cMaxSameLine)
2577	{
2578	size_t cchValue = strlen(szValue);
2579	if (cchValue < cchMaxSubFieldValue)
2580	rc = DBGCCmdHlpPrintf(pCmdHlp, "%*s", cchMaxSubFieldValue - cchValue, "");
2581	}
2582	else
2583	{
2584	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2585	iSameLine = 0;
2586	}
2587	}
2588	}
2589	else
2590	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue[Ex] failed for %s: %Rrc.\n",
2591	paRegs[iReg].pszName, rc);
2592	}
2593	if (iSameLine > 0)
2594	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2595	}
2596	else if (fAllRegs)
2597	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQueryAll failed: %Rrc.\n", rc);
2598	else if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
2599	rc = DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
2600	pszActualPrefix, pszRegBase);
2601	else
2602	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQueryEx failed querying '%s%s': %Rrc.\n",
2603	pszActualPrefix, pszRegBase, rc);
2604	RTStrFree(pszRegBase);
2605	RTMemTmpFree(paRegs);
2606	}
2607	}
2608	else
2609	{
2610	/*
2611	* We're about to modify the register.
2612	*
2613	* First we need to query the register type (see below).
2614	*/
2615	DBGFREGVALTYPE enmType;
2616	DBGFREGVAL Value;
2617	rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType);
2618	if (RT_FAILURE(rc))
2619	{
2620	if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
2621	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
2622	pszActualPrefix, pszReg);
2623	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n",
2624	pszActualPrefix, pszReg, rc);
2625	}
2626
2627	DBGCVAR NewValueTmp;
2628	PCDBGCVAR pNewValue;
2629	if (cArgs == 3)
2630	{
2631	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, paArgs[1].enmType == DBGCVAR_TYPE_STRING);
2632	if (strcmp(paArgs[1].u.pszString, "="))
2633	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Second argument must be '='.");
2634	pNewValue = &paArgs[2];
2635	}
2636	else
2637	{
2638	/* Not possible to convince the parser to support both codeview and
2639	windbg syntax and make the equal sign optional. Try help it. */
2640	/** @todo make DBGCCmdHlpConvert do more with strings. */
2641	rc = DBGCCmdHlpConvert(pCmdHlp, &paArgs[1], DBGCVAR_TYPE_NUMBER, true /fConvSyms/, &NewValueTmp);
2642	if (RT_FAILURE(rc))
2643	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "The last argument must be a value or valid symbol.");
2644	pNewValue = &NewValueTmp;
2645	}
2646
2647	/*
2648	* Modify the register.
2649	*/
2650	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, pNewValue->enmType == DBGCVAR_TYPE_NUMBER);
2651	if (enmType != DBGFREGVALTYPE_DTR)
2652	{
2653	enmType = DBGFREGVALTYPE_U64;
2654	rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.u64);
2655	}
2656	else
2657	{
2658	enmType = DBGFREGVALTYPE_DTR;
2659	rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.dtr.u64Base);
2660	if (RT_SUCCESS(rc) && pNewValue->enmRangeType != DBGCVAR_RANGE_NONE)
2661	Value.dtr.u32Limit = (uint32_t)pNewValue->u64Range;
2662	}
2663	if (RT_SUCCESS(rc))
2664	{
2665	rc = DBGFR3RegNmSet(pUVM, idCpu, pszReg, &Value, enmType);
2666	if (RT_FAILURE(rc))
2667	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmSet failed settings '%s%s': %Rrc\n",
2668	pszActualPrefix, pszReg, rc);
2669	if (rc != VINF_SUCCESS)
2670	DBGCCmdHlpPrintf(pCmdHlp, "%s: warning: %Rrc\n", pCmd->pszCmd, rc);
2671	}
2672	else
2673	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2674	}
2675	return rc;
2676	}
2677
2678
2679	/**
2680	* @callback_method_impl{FNDBGCCMD,
2681	* The 'rg'\, 'rg64' and 'rg32' commands\, worker for 'r'.}
2682	*/
2683	static DECLCALLBACK(int) dbgcCmdRegGuest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2684	{
2685	/*
2686	* Show all registers our selves.
2687	*/
2688	if (cArgs == 0)
2689	{
2690	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2691	bool const f64BitMode = !strcmp(pCmd->pszCmd, "rg64")
2692	\|\| ( strcmp(pCmd->pszCmd, "rg32") != 0
2693	&& DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu));
2694	return DBGCCmdHlpRegPrintf(pCmdHlp, pDbgc->idCpu, f64BitMode, pDbgc->fRegTerse);
2695	}
2696	return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, "");
2697	}
2698
2699
2700	/**
2701	* @callback_method_impl{FNDBGCCMD, The 'rt' command.}
2702	*/
2703	static DECLCALLBACK(int) dbgcCmdRegTerse(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2704	{
2705	NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2706
2707	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2708	pDbgc->fRegTerse = !pDbgc->fRegTerse;
2709	return DBGCCmdHlpPrintf(pCmdHlp, pDbgc->fRegTerse ? "info: Terse register info.\n" : "info: Verbose register info.\n");
2710	}
2711
2712
2713	/**
2714	* @callback_method_impl{FNDBGCCMD, The 'pr' and 'tr' commands.}
2715	*/
2716	static DECLCALLBACK(int) dbgcCmdStepTraceToggle(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2717	{
2718	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2719	Assert(cArgs == 0); NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2720
2721	/* Note! windbg accepts 'r' as a flag to 'p', 'pa', 'pc', 'pt', 't',
2722	'ta', 'tc' and 'tt'. We've simplified it. */
2723	pDbgc->fStepTraceRegs = !pDbgc->fStepTraceRegs;
2724	return VINF_SUCCESS;
2725	}
2726
2727
2728	/**
2729	* @callback_method_impl{FNDBGCCMD, The 'p'\, 'pc'\, 'pt'\, 't'\, 'tc'\, and 'tt' commands.}
2730	*/
2731	static DECLCALLBACK(int) dbgcCmdStepTrace(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2732	{
2733	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2734	if (cArgs != 0)
2735	return DBGCCmdHlpFail(pCmdHlp, pCmd,
2736	"Sorry, but the '%s' command does not currently implement any arguments.\n", pCmd->pszCmd);
2737
2738	/* The 'count' has to be implemented by DBGC, whereas the
2739	filtering is taken care of by DBGF. */
2740
2741	/*
2742	* Convert the command to DBGF_STEP_F_XXX and other API input.
2743	*/
2744	//DBGFADDRESS StackPop;
2745	PDBGFADDRESS pStackPop = NULL;
2746	RTGCPTR cbStackPop = 0;
2747	uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : _64K;
2748	uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2749	if (pCmd->pszCmd[1] == 'c')
2750	fFlags \|= DBGF_STEP_F_STOP_ON_CALL;
2751	else if (pCmd->pszCmd[1] == 't')
2752	fFlags \|= DBGF_STEP_F_STOP_ON_RET;
2753	else if (pCmd->pszCmd[0] != 'p')
2754	cMaxSteps = 1;
2755	else
2756	{
2757	/** @todo consider passing RSP + 1 in for 'p' and something else sensible for
2758	* the 'pt' command. */
2759	}
2760
2761	int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, NULL, pStackPop, cbStackPop, cMaxSteps);
2762	if (RT_SUCCESS(rc))
2763	pDbgc->fReady = false;
2764	else
2765	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2766
2767	NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
2768	return rc;
2769	}
2770
2771
2772	/**
2773	* @callback_method_impl{FNDBGCCMD, The 'pa' and 'ta' commands.}
2774	*/
2775	static DECLCALLBACK(int) dbgcCmdStepTraceTo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2776	{
2777	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2778	if (cArgs != 1)
2779	return DBGCCmdHlpFail(pCmdHlp, pCmd,
2780	"Sorry, but the '%s' command only implements a single argument at present.\n", pCmd->pszCmd);
2781	DBGFADDRESS Address;
2782	int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
2783	if (RT_FAILURE(rc))
2784	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[0]);
2785
2786	uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : 1;
2787	uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2788	rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, &Address, NULL, 0, cMaxSteps);
2789	if (RT_SUCCESS(rc))
2790	pDbgc->fReady = false;
2791	else
2792	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2793	return rc;
2794	}
2795
2796
2797	/**
2798	* Helper that tries to resolve a far address to a symbol and formats it.
2799	*
2800	* @returns Pointer to symbol string on success, NULL if not resolved.
2801	* Free using RTStrFree.
2802	* @param pCmdHlp The command helper structure.
2803	* @param hAs The address space to use. NIL_RTDBGAS means no symbol resolving.
2804	* @param sel The selector part of the address.
2805	* @param off The offset part of the address.
2806	* @param pszPrefix How to prefix the symbol string.
2807	* @param pszSuffix How to suffix the symbol string.
2808	*/
2809	static char *dbgcCmdHlpFarAddrToSymbol(PDBGCCMDHLP pCmdHlp, RTDBGAS hAs, RTSEL sel, uint64_t off,
2810	const char pszPrefix, const char pszSuffix)
2811	{
2812	char *pszRet = NULL;
2813	if (hAs != NIL_RTDBGAS)
2814	{
2815	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2816	DBGFADDRESS Addr;
2817	int rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr, sel, off);
2818	if (RT_SUCCESS(rc))
2819	{
2820	RTGCINTPTR offDispSym = 0;
2821	PRTDBGSYMBOL pSymbol = DBGFR3AsSymbolByAddrA(pDbgc->pUVM, hAs, &Addr,
2822	RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL
2823	\| RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
2824	&offDispSym, NULL);
2825	if (pSymbol)
2826	{
2827	if (offDispSym == 0)
2828	pszRet = RTStrAPrintf2("%s%s%s", pszPrefix, pSymbol->szName, pszSuffix);
2829	else if (offDispSym > 0)
2830	pszRet = RTStrAPrintf2("%s%s+%llx%s", pszPrefix, pSymbol->szName, (int64_t)offDispSym, pszSuffix);
2831	else
2832	pszRet = RTStrAPrintf2("%s%s-%llx%s", pszPrefix, pSymbol->szName, -(int64_t)offDispSym, pszSuffix);
2833	RTDbgSymbolFree(pSymbol);
2834	}
2835	}
2836	}
2837	return pszRet;
2838	}
2839
2840
2841	/**
2842	* @callback_method_impl{FNDBGCCMD, The 'k'\, 'kg' and 'kh' commands.}
2843	*/
2844	static DECLCALLBACK(int) dbgcCmdStack(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2845	{
2846	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2847
2848	/*
2849	* Figure which context we're called for and start walking that stack.
2850	*/
2851	int rc;
2852	PCDBGFSTACKFRAME pFirstFrame;
2853	bool const fGuest = true;
2854	bool const fVerbose = pCmd->pszCmd[1] == 'v'
2855	\|\| (pCmd->pszCmd[1] != '\0' && pCmd->pszCmd[2] == 'v');
2856	rc = DBGFR3StackWalkBegin(pUVM, pDbgc->idCpu, fGuest ? DBGFCODETYPE_GUEST : DBGFCODETYPE_HYPER, &pFirstFrame);
2857	if (RT_FAILURE(rc))
2858	return DBGCCmdHlpPrintf(pCmdHlp, "Failed to begin stack walk, rc=%Rrc\n", rc);
2859
2860	/*
2861	* Print the frames.
2862	*/
2863	char szTmp[1024];
2864	uint32_t fBitFlags = 0;
2865	for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
2866	pFrame;
2867	pFrame = DBGFR3StackWalkNext(pFrame))
2868	{
2869	uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT \| DBGFSTACKFRAME_FLAGS_32BIT \| DBGFSTACKFRAME_FLAGS_64BIT);
2870	if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
2871	{
2872	if (fCurBitFlags != fBitFlags)
2873	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2874	rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2875	pFrame->iFrame,
2876	pFrame->AddrFrame.Sel,
2877	(uint16_t)pFrame->AddrFrame.off,
2878	pFrame->AddrReturnFrame.Sel,
2879	(uint16_t)pFrame->AddrReturnFrame.off,
2880	(uint32_t)pFrame->AddrReturnPC.Sel,
2881	(uint32_t)pFrame->AddrReturnPC.off,
2882	pFrame->Args.au32[0],
2883	pFrame->Args.au32[1],
2884	pFrame->Args.au32[2],
2885	pFrame->Args.au32[3]);
2886	}
2887	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
2888	{
2889	if (fCurBitFlags != fBitFlags)
2890	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2891	rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2892	pFrame->iFrame,
2893	(uint32_t)pFrame->AddrFrame.off,
2894	(uint32_t)pFrame->AddrReturnFrame.off,
2895	(uint32_t)pFrame->AddrReturnPC.Sel,
2896	(uint32_t)pFrame->AddrReturnPC.off,
2897	pFrame->Args.au32[0],
2898	pFrame->Args.au32[1],
2899	pFrame->Args.au32[2],
2900	pFrame->Args.au32[3]);
2901	}
2902	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
2903	{
2904	if (fCurBitFlags != fBitFlags)
2905	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
2906	rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %016RX64 %04RX16:%016RX64 %016RX64",
2907	pFrame->iFrame,
2908	(uint64_t)pFrame->AddrFrame.off,
2909	pFrame->AddrReturnFrame.Sel,
2910	(uint64_t)pFrame->AddrReturnFrame.off,
2911	(uint64_t)pFrame->AddrReturnPC.off);
2912	}
2913	if (RT_FAILURE(rc))
2914	break;
2915	if (!pFrame->pSymPC)
2916	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
2917	fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
2918	? " %RTsel:%016RGv"
2919	: fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
2920	? " %RTsel:%08RGv"
2921	: " %RTsel:%04RGv"
2922	, pFrame->AddrPC.Sel, pFrame->AddrPC.off);
2923	else
2924	{
2925	RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
2926	if (offDisp > 0)
2927	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
2928	else if (offDisp < 0)
2929	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
2930	else
2931	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", pFrame->pSymPC->szName);
2932	}
2933	if (RT_SUCCESS(rc) && pFrame->pLinePC)
2934	rc = DBGCCmdHlpPrintf(pCmdHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
2935	if (RT_SUCCESS(rc))
2936	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2937
2938	if (fVerbose && RT_SUCCESS(rc))
2939	{
2940	/*
2941	* Display verbose frame info.
2942	*/
2943	const char *pszRetType = "invalid";
2944	switch (pFrame->enmReturnType)
2945	{
2946	case RTDBGRETURNTYPE_NEAR16: pszRetType = "retn/16"; break;
2947	case RTDBGRETURNTYPE_NEAR32: pszRetType = "retn/32"; break;
2948	case RTDBGRETURNTYPE_NEAR64: pszRetType = "retn/64"; break;
2949	case RTDBGRETURNTYPE_FAR16: pszRetType = "retf/16"; break;
2950	case RTDBGRETURNTYPE_FAR32: pszRetType = "retf/32"; break;
2951	case RTDBGRETURNTYPE_FAR64: pszRetType = "retf/64"; break;
2952	case RTDBGRETURNTYPE_IRET16: pszRetType = "iret-16"; break;
2953	case RTDBGRETURNTYPE_IRET32: pszRetType = "iret/32s"; break;
2954	case RTDBGRETURNTYPE_IRET32_PRIV: pszRetType = "iret/32p"; break;
2955	case RTDBGRETURNTYPE_IRET32_V86: pszRetType = "iret/v86"; break;
2956	case RTDBGRETURNTYPE_IRET64: pszRetType = "iret/64"; break;
2957
2958	case RTDBGRETURNTYPE_END:
2959	case RTDBGRETURNTYPE_INVALID:
2960	case RTDBGRETURNTYPE_32BIT_HACK:
2961	break;
2962	}
2963	size_t cchLine = DBGCCmdHlpPrintfLen(pCmdHlp, " %s", pszRetType);
2964	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_UNWIND_INFO)
2965	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-unwind-info");
2966	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_ODD_EVEN)
2967	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-odd-even");
2968	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_REAL_V86)
2969	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " real-v86");
2970	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_MAX_DEPTH)
2971	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " max-depth");
2972	if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_TRAP_FRAME)
2973	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " trap-frame");
2974
2975	if (pFrame->cSureRegs > 0)
2976	{
2977	cchLine = 1024; /* force new line */
2978	for (uint32_t i = 0; i < pFrame->cSureRegs; i++)
2979	{
2980	if (cchLine > 80)
2981	{
2982	DBGCCmdHlpPrintf(pCmdHlp, "\n ");
2983	cchLine = 2;
2984	}
2985
2986	szTmp[0] = '\0';
2987	DBGFR3RegFormatValue(szTmp, sizeof(szTmp), &pFrame->paSureRegs[i].Value,
2988	pFrame->paSureRegs[i].enmType, false);
2989	const char *pszName = pFrame->paSureRegs[i].enmReg != DBGFREG_END
2990	? DBGFR3RegCpuName(pUVM, pFrame->paSureRegs[i].enmReg, pFrame->paSureRegs[i].enmType)
2991	: pFrame->paSureRegs[i].pszName;
2992	cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " %s=%s", pszName, szTmp);
2993	}
2994	}
2995
2996	if (RT_SUCCESS(rc))
2997	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2998	}
2999
3000	if (RT_FAILURE(rc))
3001	break;
3002
3003	fBitFlags = fCurBitFlags;
3004	}
3005
3006	DBGFR3StackWalkEnd(pFirstFrame);
3007
3008	NOREF(paArgs); NOREF(cArgs);
3009	return rc;
3010	}
3011
3012
3013	/**
3014	* Worker function that displays one descriptor entry (GDT, LDT, IDT).
3015	*
3016	* @returns pfnPrintf status code.
3017	* @param pCmdHlp The DBGC command helpers.
3018	* @param pDesc The descriptor to display.
3019	* @param iEntry The descriptor entry number.
3020	* @param fHyper Whether the selector belongs to the hypervisor or not.
3021	* @param hAs Address space to use when resolving symbols.
3022	* @param pfDblEntry Where to indicate whether the entry is two entries wide.
3023	* Optional.
3024	*/
3025	static int dbgcCmdDumpDTWorker64(PDBGCCMDHLP pCmdHlp, PCX86DESC64 pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs,
3026	bool *pfDblEntry)
3027	{
3028	/* GUEST64 */
3029	int rc;
3030
3031	const char *pszHyper = fHyper ? " HYPER" : "";
3032	const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
3033	if (pDesc->Gen.u1DescType)
3034	{
3035	static const char * const s_apszTypes[] =
3036	{
3037	"DataRO", /* 0 Read-Only */
3038	"DataRO", /* 1 Read-Only - Accessed */
3039	"DataRW", /* 2 Read/Write */
3040	"DataRW", /* 3 Read/Write - Accessed */
3041	"DownRO", /* 4 Expand-down, Read-Only */
3042	"DownRO", /* 5 Expand-down, Read-Only - Accessed */
3043	"DownRW", /* 6 Expand-down, Read/Write */
3044	"DownRW", /* 7 Expand-down, Read/Write - Accessed */
3045	"CodeEO", /* 8 Execute-Only */
3046	"CodeEO", /* 9 Execute-Only - Accessed */
3047	"CodeER", /* A Execute/Readable */
3048	"CodeER", /* B Execute/Readable - Accessed */
3049	"ConfE0", /* C Conforming, Execute-Only */
3050	"ConfE0", /* D Conforming, Execute-Only - Accessed */
3051	"ConfER", /* E Conforming, Execute/Readable */
3052	"ConfER" /* F Conforming, Execute/Readable - Accessed */
3053	};
3054	const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
3055	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3056	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3057	uint32_t u32Base = X86DESC_BASE(pDesc);
3058	uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
3059
3060	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
3061	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3062	pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
3063	pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
3064	}
3065	else
3066	{
3067	static const char * const s_apszTypes[] =
3068	{
3069	"Ill-0 ", /* 0 0000 Reserved (Illegal) */
3070	"Ill-1 ", /* 1 0001 Available 16-bit TSS */
3071	"LDT ", /* 2 0010 LDT */
3072	"Ill-3 ", /* 3 0011 Busy 16-bit TSS */
3073	"Ill-4 ", /* 4 0100 16-bit Call Gate */
3074	"Ill-5 ", /* 5 0101 Task Gate */
3075	"Ill-6 ", /* 6 0110 16-bit Interrupt Gate */
3076	"Ill-7 ", /* 7 0111 16-bit Trap Gate */
3077	"Ill-8 ", /* 8 1000 Reserved (Illegal) */
3078	"Tss64A", /* 9 1001 Available 32-bit TSS */
3079	"Ill-A ", /* A 1010 Reserved (Illegal) */
3080	"Tss64B", /* B 1011 Busy 32-bit TSS */
3081	"Call64", /* C 1100 32-bit Call Gate */
3082	"Ill-D ", /* D 1101 Reserved (Illegal) */
3083	"Int64 ", /* E 1110 32-bit Interrupt Gate */
3084	"Trap64" /* F 1111 32-bit Trap Gate */
3085	};
3086	switch (pDesc->Gen.u4Type)
3087	{
3088	/* raw */
3089	case X86_SEL_TYPE_SYS_UNDEFINED:
3090	case X86_SEL_TYPE_SYS_UNDEFINED2:
3091	case X86_SEL_TYPE_SYS_UNDEFINED4:
3092	case X86_SEL_TYPE_SYS_UNDEFINED3:
3093	case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
3094	case X86_SEL_TYPE_SYS_286_TSS_BUSY:
3095	case X86_SEL_TYPE_SYS_286_CALL_GATE:
3096	case X86_SEL_TYPE_SYS_286_INT_GATE:
3097	case X86_SEL_TYPE_SYS_286_TRAP_GATE:
3098	case X86_SEL_TYPE_SYS_TASK_GATE:
3099	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
3100	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
3101	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3102	break;
3103
3104	case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
3105	case X86_SEL_TYPE_SYS_386_TSS_BUSY:
3106	case X86_SEL_TYPE_SYS_LDT:
3107	{
3108	const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
3109	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3110	const char *pszLong = pDesc->Gen.u1Long ? "LONG" : " ";
3111
3112	uint64_t u64Base = X86DESC64_BASE(pDesc);
3113	uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
3114
3115	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%016RX64 Lim=%08x DPL=%d %s %s %s %sAVL=%d R=%d%s\n",
3116	iEntry, s_apszTypes[pDesc->Gen.u4Type], u64Base, cbLimit,
3117	pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszLong, pszBig,
3118	pDesc->Gen.u1Available, pDesc->Gen.u1Long \| (pDesc->Gen.u1DefBig << 1),
3119	pszHyper);
3120	if (pfDblEntry)
3121	*pfDblEntry = true;
3122	break;
3123	}
3124
3125	case X86_SEL_TYPE_SYS_386_CALL_GATE:
3126	{
3127	unsigned cParams = pDesc->au8[4] & 0x1f;
3128	const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
3129	RTSEL sel = pDesc->au16[1];
3130	uint64_t off = pDesc->au16[0]
3131	\| ((uint64_t)pDesc->au16[3] << 16)
3132	\| ((uint64_t)pDesc->Gen.u32BaseHigh3 << 32);
3133	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3134	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%d %s %s=%d%s%s\n",
3135	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3136	pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : "");
3137	RTStrFree(pszSymbol);
3138	if (pfDblEntry)
3139	*pfDblEntry = true;
3140	break;
3141	}
3142
3143	case X86_SEL_TYPE_SYS_386_INT_GATE:
3144	case X86_SEL_TYPE_SYS_386_TRAP_GATE:
3145	{
3146	RTSEL sel = pDesc->Gate.u16Sel;
3147	uint64_t off = pDesc->Gate.u16OffsetLow
3148	\| ((uint64_t)pDesc->Gate.u16OffsetHigh << 16)
3149	\| ((uint64_t)pDesc->Gate.u32OffsetTop << 32);
3150	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3151	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%u %s IST=%u%s%s\n",
3152	iEntry, s_apszTypes[pDesc->Gate.u4Type], sel, off,
3153	pDesc->Gate.u2Dpl, pszPresent, pDesc->Gate.u3IST, pszHyper, pszSymbol ? pszSymbol : "");
3154	RTStrFree(pszSymbol);
3155	if (pfDblEntry)
3156	*pfDblEntry = true;
3157	break;
3158	}
3159
3160	/* impossible, just it's necessary to keep gcc happy. */
3161	default:
3162	return VINF_SUCCESS;
3163	}
3164	}
3165	return VINF_SUCCESS;
3166	}
3167
3168
3169	/**
3170	* Worker function that displays one descriptor entry (GDT, LDT, IDT).
3171	*
3172	* @returns pfnPrintf status code.
3173	* @param pCmdHlp The DBGC command helpers.
3174	* @param pDesc The descriptor to display.
3175	* @param iEntry The descriptor entry number.
3176	* @param fHyper Whether the selector belongs to the hypervisor or not.
3177	* @param hAs Address space to use when resolving symbols.
3178	*/
3179	static int dbgcCmdDumpDTWorker32(PDBGCCMDHLP pCmdHlp, PCX86DESC pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs)
3180	{
3181	int rc;
3182
3183	const char *pszHyper = fHyper ? " HYPER" : "";
3184	const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
3185	if (pDesc->Gen.u1DescType)
3186	{
3187	static const char * const s_apszTypes[] =
3188	{
3189	"DataRO", /* 0 Read-Only */
3190	"DataRO", /* 1 Read-Only - Accessed */
3191	"DataRW", /* 2 Read/Write */
3192	"DataRW", /* 3 Read/Write - Accessed */
3193	"DownRO", /* 4 Expand-down, Read-Only */
3194	"DownRO", /* 5 Expand-down, Read-Only - Accessed */
3195	"DownRW", /* 6 Expand-down, Read/Write */
3196	"DownRW", /* 7 Expand-down, Read/Write - Accessed */
3197	"CodeEO", /* 8 Execute-Only */
3198	"CodeEO", /* 9 Execute-Only - Accessed */
3199	"CodeER", /* A Execute/Readable */
3200	"CodeER", /* B Execute/Readable - Accessed */
3201	"ConfE0", /* C Conforming, Execute-Only */
3202	"ConfE0", /* D Conforming, Execute-Only - Accessed */
3203	"ConfER", /* E Conforming, Execute/Readable */
3204	"ConfER" /* F Conforming, Execute/Readable - Accessed */
3205	};
3206	const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
3207	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3208	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3209	uint32_t u32Base = pDesc->Gen.u16BaseLow
3210	\| ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3211	\| ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3212	uint32_t cbLimit = pDesc->Gen.u16LimitLow \| (pDesc->Gen.u4LimitHigh << 16);
3213	if (pDesc->Gen.u1Granularity)
3214	cbLimit <<= GUEST_PAGE_SHIFT;
3215
3216	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
3217	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3218	pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
3219	pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
3220	}
3221	else
3222	{
3223	static const char * const s_apszTypes[] =
3224	{
3225	"Ill-0 ", /* 0 0000 Reserved (Illegal) */
3226	"Tss16A", /* 1 0001 Available 16-bit TSS */
3227	"LDT ", /* 2 0010 LDT */
3228	"Tss16B", /* 3 0011 Busy 16-bit TSS */
3229	"Call16", /* 4 0100 16-bit Call Gate */
3230	"TaskG ", /* 5 0101 Task Gate */
3231	"Int16 ", /* 6 0110 16-bit Interrupt Gate */
3232	"Trap16", /* 7 0111 16-bit Trap Gate */
3233	"Ill-8 ", /* 8 1000 Reserved (Illegal) */
3234	"Tss32A", /* 9 1001 Available 32-bit TSS */
3235	"Ill-A ", /* A 1010 Reserved (Illegal) */
3236	"Tss32B", /* B 1011 Busy 32-bit TSS */
3237	"Call32", /* C 1100 32-bit Call Gate */
3238	"Ill-D ", /* D 1101 Reserved (Illegal) */
3239	"Int32 ", /* E 1110 32-bit Interrupt Gate */
3240	"Trap32" /* F 1111 32-bit Trap Gate */
3241	};
3242	switch (pDesc->Gen.u4Type)
3243	{
3244	/* raw */
3245	case X86_SEL_TYPE_SYS_UNDEFINED:
3246	case X86_SEL_TYPE_SYS_UNDEFINED2:
3247	case X86_SEL_TYPE_SYS_UNDEFINED4:
3248	case X86_SEL_TYPE_SYS_UNDEFINED3:
3249	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
3250	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
3251	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3252	break;
3253
3254	case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
3255	case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
3256	case X86_SEL_TYPE_SYS_286_TSS_BUSY:
3257	case X86_SEL_TYPE_SYS_386_TSS_BUSY:
3258	case X86_SEL_TYPE_SYS_LDT:
3259	{
3260	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3261	const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
3262	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3263	uint32_t u32Base = pDesc->Gen.u16BaseLow
3264	\| ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3265	\| ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3266	uint32_t cbLimit = pDesc->Gen.u16LimitLow \| (pDesc->Gen.u4LimitHigh << 16);
3267	if (pDesc->Gen.u1Granularity)
3268	cbLimit <<= GUEST_PAGE_SHIFT;
3269
3270	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d R=%d%s\n",
3271	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3272	pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszGranularity, pszBig,
3273	pDesc->Gen.u1Available, pDesc->Gen.u1Long \| (pDesc->Gen.u1DefBig << 1),
3274	pszHyper);
3275	break;
3276	}
3277
3278	case X86_SEL_TYPE_SYS_TASK_GATE:
3279	{
3280	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s TSS=%04x DPL=%d %s%s\n",
3281	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc->au16[1],
3282	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3283	break;
3284	}
3285
3286	case X86_SEL_TYPE_SYS_286_CALL_GATE:
3287	case X86_SEL_TYPE_SYS_386_CALL_GATE:
3288	{
3289	unsigned cParams = pDesc->au8[4] & 0x1f;
3290	const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
3291	RTSEL sel = pDesc->au16[1];
3292	uint32_t off = pDesc->au16[0] \| ((uint32_t)pDesc->au16[3] << 16);
3293	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3294	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s %s=%d%s%s\n",
3295	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3296	pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : "");
3297	RTStrFree(pszSymbol);
3298	break;
3299	}
3300
3301	case X86_SEL_TYPE_SYS_286_INT_GATE:
3302	case X86_SEL_TYPE_SYS_386_INT_GATE:
3303	case X86_SEL_TYPE_SYS_286_TRAP_GATE:
3304	case X86_SEL_TYPE_SYS_386_TRAP_GATE:
3305	{
3306	RTSEL sel = pDesc->au16[1];
3307	uint32_t off = pDesc->au16[0] \| ((uint32_t)pDesc->au16[3] << 16);
3308	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3309	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s%s%s\n",
3310	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3311	pDesc->Gen.u2Dpl, pszPresent, pszHyper, pszSymbol ? pszSymbol : "");
3312	RTStrFree(pszSymbol);
3313	break;
3314	}
3315
3316	/* impossible, just it's necessary to keep gcc happy. */
3317	default:
3318	return VINF_SUCCESS;
3319	}
3320	}
3321	return rc;
3322	}
3323
3324
3325	/**
3326	* @callback_method_impl{FNDBGCCMD, The 'dg'\, 'dga'\, 'dl' and 'dla' commands.}
3327	*/
3328	static DECLCALLBACK(int) dbgcCmdDumpDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3329	{
3330	/*
3331	* Validate input.
3332	*/
3333	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3334
3335	/*
3336	* Get the CPU mode, check which command variation this is
3337	* and fix a default parameter if needed.
3338	*/
3339	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3340	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
3341	CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
3342	bool fGdt = pCmd->pszCmd[1] == 'g';
3343	bool fAll = pCmd->pszCmd[2] == 'a';
3344	RTSEL SelTable = fGdt ? 0 : X86_SEL_LDT;
3345
3346	DBGCVAR Var;
3347	if (!cArgs)
3348	{
3349	cArgs = 1;
3350	paArgs = &Var;
3351	Var.enmType = DBGCVAR_TYPE_NUMBER;
3352	Var.u.u64Number = fGdt ? 0 : 4;
3353	Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3354	Var.u64Range = 1024;
3355	}
3356
3357	/*
3358	* Process the arguments.
3359	*/
3360	for (unsigned i = 0; i < cArgs; i++)
3361	{
3362	/*
3363	* Retrieve the selector value from the argument.
3364	* The parser may confuse pointers and numbers if more than one
3365	* argument is given, that that into account.
3366	*/
3367	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER \|\| DBGCVAR_ISPOINTER(paArgs[i].enmType));
3368	uint64_t u64;
3369	unsigned cSels = 1;
3370	switch (paArgs[i].enmType)
3371	{
3372	case DBGCVAR_TYPE_NUMBER:
3373	u64 = paArgs[i].u.u64Number;
3374	if (paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE)
3375	cSels = RT_MIN(paArgs[i].u64Range, 1024);
3376	break;
3377	case DBGCVAR_TYPE_GC_FAR: u64 = paArgs[i].u.GCFar.sel; break;
3378	case DBGCVAR_TYPE_GC_FLAT: u64 = paArgs[i].u.GCFlat; break;
3379	case DBGCVAR_TYPE_GC_PHYS: u64 = paArgs[i].u.GCPhys; break;
3380	case DBGCVAR_TYPE_HC_FLAT: u64 = (uintptr_t)paArgs[i].u.pvHCFlat; break;
3381	case DBGCVAR_TYPE_HC_PHYS: u64 = paArgs[i].u.HCPhys; break;
3382	default: u64 = _64K; break;
3383	}
3384	if (u64 < _64K)
3385	{
3386	unsigned Sel = (RTSEL)u64;
3387
3388	/*
3389	* Dump the specified range.
3390	*/
3391	bool fSingle = cSels == 1;
3392	while ( cSels-- > 0
3393	&& Sel < _64K)
3394	{
3395	DBGFSELINFO SelInfo;
3396	int rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, Sel \| SelTable, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
3397	if (RT_SUCCESS(rc))
3398	{
3399	if (SelInfo.fFlags & DBGFSELINFO_FLAGS_REAL_MODE)
3400	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x RealM Bas=%04x Lim=%04x\n",
3401	Sel, (unsigned)SelInfo.GCPtrBase, (unsigned)SelInfo.cbLimit);
3402	else if ( fAll
3403	\|\| fSingle
3404	\|\| SelInfo.u.Raw.Gen.u1Present)
3405	{
3406	if (enmMode == CPUMMODE_PROTECTED)
3407	rc = dbgcCmdDumpDTWorker32(pCmdHlp, &SelInfo.u.Raw, Sel,
3408	!!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL);
3409	else
3410	{
3411	bool fDblSkip = false;
3412	rc = dbgcCmdDumpDTWorker64(pCmdHlp, &SelInfo.u.Raw64, Sel,
3413	!!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL, &fDblSkip);
3414	if (fDblSkip)
3415	Sel += 4;
3416	}
3417	}
3418	}
3419	else
3420	{
3421	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %Rrc\n", Sel, rc);
3422	if (!fAll)
3423	return rc;
3424	}
3425	if (RT_FAILURE(rc))
3426	return rc;
3427
3428	/* next */
3429	Sel += 8;
3430	}
3431	}
3432	else
3433	DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds\n", u64);
3434	}
3435
3436	return VINF_SUCCESS;
3437	}
3438
3439
3440	/**
3441	* @callback_method_impl{FNDBGCCMD, The 'di' and 'dia' commands.}
3442	*/
3443	static DECLCALLBACK(int) dbgcCmdDumpIDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3444	{
3445	/*
3446	* Validate input.
3447	*/
3448	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3449
3450	/*
3451	* Establish some stuff like the current IDTR and CPU mode,
3452	* and fix a default parameter.
3453	*/
3454	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3455	CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp);
3456	uint16_t cbLimit = 0;
3457	uint64_t GCFlat = 0;
3458	int rc = DBGFR3RegCpuQueryXdtr(pDbgc->pUVM, pDbgc->idCpu, DBGFREG_IDTR, &GCFlat, &cbLimit);
3459	if (RT_FAILURE(rc))
3460	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3RegCpuQueryXdtr/DBGFREG_IDTR");
3461	unsigned cbEntry;
3462	switch (enmMode)
3463	{
3464	case CPUMMODE_REAL: cbEntry = sizeof(RTFAR16); break;
3465	case CPUMMODE_PROTECTED: cbEntry = sizeof(X86DESC); break;
3466	case CPUMMODE_LONG: cbEntry = sizeof(X86DESC64); break;
3467	default:
3468	return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid CPU mode %d.\n", enmMode);
3469	}
3470
3471	bool fAll = pCmd->pszCmd[2] == 'a';
3472	DBGCVAR Var;
3473	if (!cArgs)
3474	{
3475	cArgs = 1;
3476	paArgs = &Var;
3477	Var.enmType = DBGCVAR_TYPE_NUMBER;
3478	Var.u.u64Number = 0;
3479	Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3480	Var.u64Range = 256;
3481	}
3482
3483	/*
3484	* Process the arguments.
3485	*/
3486	for (unsigned i = 0; i < cArgs; i++)
3487	{
3488	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER);
3489	if (paArgs[i].u.u64Number < 256)
3490	{
3491	RTGCUINTPTR iInt = (RTGCUINTPTR)paArgs[i].u.u64Number;
3492	unsigned cInts = paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE
3493	? paArgs[i].u64Range
3494	: 1;
3495	bool fSingle = cInts == 1;
3496	while ( cInts-- > 0
3497	&& iInt < 256)
3498	{
3499	/*
3500	* Try read it.
3501	*/
3502	union
3503	{
3504	RTFAR16 Real;
3505	X86DESC Prot;
3506	X86DESC64 Long;
3507	} u;
3508	if (iInt * cbEntry + (cbEntry - 1) > cbLimit)
3509	{
3510	DBGCCmdHlpPrintf(pCmdHlp, "%04x not within the IDT\n", (unsigned)iInt);
3511	if (!fAll && !fSingle)
3512	return VINF_SUCCESS;
3513	}
3514	DBGCVAR AddrVar;
3515	AddrVar.enmType = DBGCVAR_TYPE_GC_FLAT;
3516	AddrVar.u.GCFlat = GCFlat + iInt * cbEntry;
3517	AddrVar.enmRangeType = DBGCVAR_RANGE_NONE;
3518	rc = pCmdHlp->pfnMemRead(pCmdHlp, &u, cbEntry, &AddrVar, NULL);
3519	if (RT_FAILURE(rc))
3520	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading IDT entry %#04x.\n", (unsigned)iInt);
3521
3522	/*
3523	* Display it.
3524	*/
3525	switch (enmMode)
3526	{
3527	case CPUMMODE_REAL:
3528	{
3529	char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, DBGF_AS_GLOBAL, u.Real.sel, u.Real.off, " (", ")");
3530	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %RTfp16%s\n", (unsigned)iInt, u.Real, pszSymbol ? pszSymbol : "");
3531	RTStrFree(pszSymbol);
3532	break;
3533	}
3534	case CPUMMODE_PROTECTED:
3535	if (fAll \|\| fSingle \|\| u.Prot.Gen.u1Present)
3536	rc = dbgcCmdDumpDTWorker32(pCmdHlp, &u.Prot, iInt, false, DBGF_AS_GLOBAL);
3537	break;
3538	case CPUMMODE_LONG:
3539	if (fAll \|\| fSingle \|\| u.Long.Gen.u1Present)
3540	rc = dbgcCmdDumpDTWorker64(pCmdHlp, &u.Long, iInt, false, DBGF_AS_GLOBAL, NULL);
3541	break;
3542	default: break; /* to shut up gcc */
3543	}
3544	if (RT_FAILURE(rc))
3545	return rc;
3546
3547	/* next */
3548	iInt++;
3549	}
3550	}
3551	else
3552	DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds (max 256)\n", paArgs[i].u.u64Number);
3553	}
3554
3555	return VINF_SUCCESS;
3556	}
3557
3558
3559	/**
3560	* @callback_method_impl{FNDBGCCMD,
3561	* The 'da'\, 'dq'\, 'dqs'\, 'dd'\, 'dds'\, 'dw'\, 'db'\, 'dp'\, 'dps'\,
3562	* and 'du' commands.}
3563	*/
3564	static DECLCALLBACK(int) dbgcCmdDumpMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3565	{
3566	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3567
3568	/*
3569	* Validate input.
3570	*/
3571	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3572	if (cArgs == 1)
3573	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3574	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3575
3576	#define DBGC_DUMP_MEM_F_ASCII RT_BIT_32(31)
3577	#define DBGC_DUMP_MEM_F_UNICODE RT_BIT_32(30)
3578	#define DBGC_DUMP_MEM_F_FAR RT_BIT_32(29)
3579	#define DBGC_DUMP_MEM_F_SYMBOLS RT_BIT_32(28)
3580	#define DBGC_DUMP_MEM_F_SIZE UINT32_C(0x0000ffff)
3581
3582	/*
3583	* Figure out the element size.
3584	*/
3585	unsigned cbElement;
3586	bool fAscii = false;
3587	bool fUnicode = false;
3588	bool fFar = false;
3589	bool fSymbols = pCmd->pszCmd[1] && pCmd->pszCmd[2] == 's';
3590	switch (pCmd->pszCmd[1])
3591	{
3592	default:
3593	case 'b': cbElement = 1; break;
3594	case 'w': cbElement = 2; break;
3595	case 'd': cbElement = 4; break;
3596	case 'q': cbElement = 8; break;
3597	case 'a':
3598	cbElement = 1;
3599	fAscii = true;
3600	break;
3601	case 'F':
3602	cbElement = 4;
3603	fFar = true;
3604	break;
3605	case 'p':
3606	cbElement = DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu) ? 8 : 4;
3607	break;
3608	case 'u':
3609	cbElement = 2;
3610	fUnicode = true;
3611	break;
3612	case '\0':
3613	fAscii = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_ASCII);
3614	fSymbols = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SYMBOLS);
3615	fUnicode = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_UNICODE);
3616	fFar = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_FAR);
3617	cbElement = pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SIZE;
3618	if (!cbElement)
3619	cbElement = 1;
3620	break;
3621	}
3622	uint32_t const cbDumpElement = cbElement
3623	\| (fSymbols ? DBGC_DUMP_MEM_F_SYMBOLS : 0)
3624	\| (fFar ? DBGC_DUMP_MEM_F_FAR : 0)
3625	\| (fUnicode ? DBGC_DUMP_MEM_F_UNICODE : 0)
3626	\| (fAscii ? DBGC_DUMP_MEM_F_ASCII : 0);
3627	pDbgc->cbDumpElement = cbDumpElement;
3628
3629	/*
3630	* Find address.
3631	*/
3632	if (!cArgs)
3633	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_NONE;
3634	else
3635	pDbgc->DumpPos = paArgs[0];
3636
3637	/*
3638	* Range.
3639	*/
3640	switch (pDbgc->DumpPos.enmRangeType)
3641	{
3642	case DBGCVAR_RANGE_NONE:
3643	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3644	pDbgc->DumpPos.u64Range = 0x60;
3645	break;
3646
3647	case DBGCVAR_RANGE_ELEMENTS:
3648	if (pDbgc->DumpPos.u64Range > 2048)
3649	return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many elements requested. Max is 2048 elements.\n");
3650	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3651	pDbgc->DumpPos.u64Range = (cbElement ? cbElement : 1) * pDbgc->DumpPos.u64Range;
3652	break;
3653
3654	case DBGCVAR_RANGE_BYTES:
3655	if (pDbgc->DumpPos.u64Range > 65536)
3656	return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
3657	break;
3658
3659	default:
3660	return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->DumpPos.enmRangeType);
3661	}
3662
3663	pDbgc->pLastPos = &pDbgc->DumpPos;
3664
3665	/*
3666	* Do the dumping.
3667	*/
3668	int cbLeft = (int)pDbgc->DumpPos.u64Range;
3669	uint8_t u16Prev = '\0';
3670	for (;;)
3671	{
3672	/*
3673	* Read memory.
3674	*/
3675	char achBuffer[16];
3676	size_t cbReq = RT_MIN((int)sizeof(achBuffer), cbLeft);
3677	size_t cb = RT_MIN((int)sizeof(achBuffer), cbLeft);
3678	int rc = pCmdHlp->pfnMemRead(pCmdHlp, &achBuffer, cbReq, &pDbgc->DumpPos, &cb);
3679	if (RT_FAILURE(rc))
3680	{
3681	if (u16Prev && u16Prev != '\n')
3682	DBGCCmdHlpPrintf(pCmdHlp, "\n");
3683	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading memory at %DV.\n", &pDbgc->DumpPos);
3684	}
3685
3686	/*
3687	* Display it.
3688	*/
3689	memset(&achBuffer[cb], 0, sizeof(achBuffer) - cb);
3690	if (!fAscii && !fUnicode)
3691	{
3692	DBGCCmdHlpPrintf(pCmdHlp, "%DV:", &pDbgc->DumpPos);
3693	unsigned i;
3694	for (i = 0; i < cb; i += cbElement)
3695	{
3696	const char *pszSpace = " ";
3697	if (cbElement <= 2 && i == 8)
3698	pszSpace = "-";
3699	switch (cbElement)
3700	{
3701	case 1:
3702	DBGCCmdHlpPrintf(pCmdHlp, "%s%02x", pszSpace, (uint8_t )&achBuffer[i]);
3703	break;
3704	case 2:
3705	DBGCCmdHlpPrintf(pCmdHlp, "%s%04x", pszSpace, (uint16_t )&achBuffer[i]);
3706	break;
3707	case 4:
3708	if (!fFar)
3709	DBGCCmdHlpPrintf(pCmdHlp, "%s%08x", pszSpace, (uint32_t )&achBuffer[i]);
3710	else
3711	DBGCCmdHlpPrintf(pCmdHlp, "%s%04x:%04x:",
3712	pszSpace, (uint16_t )&achBuffer[i + 2], (uint16_t )&achBuffer[i]);
3713	break;
3714	case 8:
3715	DBGCCmdHlpPrintf(pCmdHlp, "%s%016llx", pszSpace, (uint64_t )&achBuffer[i]);
3716	break;
3717	}
3718
3719	if (fSymbols)
3720	{
3721	/* Try lookup symbol for the above address. */
3722	DBGFADDRESS Addr;
3723	rc = VINF_SUCCESS;
3724	if (cbElement == 8)
3725	DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, (uint64_t )&achBuffer[i]);
3726	else if (!fFar)
3727	DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, (uint32_t )&achBuffer[i]);
3728	else
3729	rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr,
3730	(uint16_t )&achBuffer[i + 2], (uint16_t )&achBuffer[i]);
3731	if (RT_SUCCESS(rc))
3732	{
3733	RTINTPTR offDisp;
3734	RTDBGSYMBOL Symbol;
3735	rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, &Addr,
3736	RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL \| RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
3737	&offDisp, &Symbol, NULL);
3738	if (RT_SUCCESS(rc))
3739	{
3740	if (!offDisp)
3741	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", Symbol.szName);
3742	else if (offDisp > 0)
3743	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s + %RGv", Symbol.szName, offDisp);
3744	else
3745	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s - %RGv", Symbol.szName, -offDisp);
3746	if (Symbol.cb > 0)
3747	rc = DBGCCmdHlpPrintf(pCmdHlp, " (LB %RGv)", Symbol.cb);
3748	}
3749	}
3750
3751	/* Next line prefix. */
3752	unsigned iNext = i + cbElement;
3753	if (iNext < cb)
3754	{
3755	DBGCVAR TmpPos = pDbgc->DumpPos;
3756	DBGCCmdHlpEval(pCmdHlp, &TmpPos, "(%Dv) + %x", &pDbgc->DumpPos, iNext);
3757	DBGCCmdHlpPrintf(pCmdHlp, "\n%DV:", &pDbgc->DumpPos);
3758	}
3759	}
3760	}
3761
3762	/* Chars column. */
3763	if (cbElement == 1)
3764	{
3765	while (i++ < sizeof(achBuffer))
3766	DBGCCmdHlpPrintf(pCmdHlp, " ");
3767	DBGCCmdHlpPrintf(pCmdHlp, " ");
3768	for (i = 0; i < cb; i += cbElement)
3769	{
3770	uint8_t u8 = (uint8_t )&achBuffer[i];
3771	if (RT_C_IS_PRINT(u8) && u8 < 127 && u8 >= 32)
3772	DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
3773	else
3774	DBGCCmdHlpPrintf(pCmdHlp, ".");
3775	}
3776	}
3777	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3778	}
3779	else
3780	{
3781	/*
3782	* We print up to the first zero and stop there.
3783	* Only printables + '\t' and '\n' are printed.
3784	*/
3785	if (!u16Prev)
3786	DBGCCmdHlpPrintf(pCmdHlp, "%DV:\n", &pDbgc->DumpPos);
3787	uint16_t u16 = '\0';
3788	unsigned i;
3789	for (i = 0; i < cb; i += cbElement)
3790	{
3791	u16Prev = u16;
3792	if (cbElement == 1)
3793	u16 = (uint8_t )&achBuffer[i];
3794	else
3795	u16 = (uint16_t )&achBuffer[i];
3796	if ( u16 < 127
3797	&& ( (RT_C_IS_PRINT(u16) && u16 >= 32)
3798	\|\| u16 == '\t'
3799	\|\| u16 == '\n'))
3800	DBGCCmdHlpPrintf(pCmdHlp, "%c", (int)u16);
3801	else if (!u16)
3802	break;
3803	else
3804	DBGCCmdHlpPrintf(pCmdHlp, "\\x%0x", cbElement 2, u16);
3805	}
3806	if (u16 == '\0')
3807	cb = cbLeft = i + 1;
3808	if (cbLeft - cb <= 0 && u16Prev != '\n')
3809	DBGCCmdHlpPrintf(pCmdHlp, "\n");
3810	}
3811
3812	/*
3813	* Advance
3814	*/
3815	cbLeft -= (int)cb;
3816	rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DumpPos, "(%Dv) + %x", &pDbgc->DumpPos, cb);
3817	if (RT_FAILURE(rc))
3818	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->DumpPos, cb);
3819	if (cbLeft <= 0)
3820	break;
3821	}
3822
3823	NOREF(pCmd);
3824	return VINF_SUCCESS;
3825	}
3826
3827
3828	/**
3829	* Best guess at which paging mode currently applies to the guest
3830	* paging structures.
3831	*
3832	* This have to come up with a decent answer even when the guest
3833	* is in non-paged protected mode or real mode.
3834	*
3835	* @returns cr3.
3836	* @param pDbgc The DBGC instance.
3837	* @param pfPAE Where to store the page address extension indicator.
3838	* @param pfLME Where to store the long mode enabled indicator.
3839	* @param pfPSE Where to store the page size extension indicator.
3840	* @param pfPGE Where to store the page global enabled indicator.
3841	* @param pfNXE Where to store the no-execution enabled indicator.
3842	*/
3843	static RTGCPHYS dbgcGetGuestPageMode(PDBGC pDbgc, bool pfPAE, bool pfLME, bool pfPSE, bool pfPGE, bool *pfNXE)
3844	{
3845	#if defined(VBOX_VMM_TARGET_ARMV8)
3846	AssertReleaseFailed();
3847	RT_NOREF(pDbgc, pfPAE, pfLME, pfPSE, pfPGE, pfNXE);
3848	pfPAE = pfLME = pfPSE = pfPGE = *pfNXE = false;
3849	return ~(RTGCPHYS)0;
3850	#else
3851	PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3852	RTGCUINTREG cr4 = CPUMGetGuestCR4(pVCpu);
3853	*pfPSE = !!(cr4 & X86_CR4_PSE);
3854	*pfPGE = !!(cr4 & X86_CR4_PGE);
3855	if (cr4 & X86_CR4_PAE)
3856	{
3857	*pfPSE = true;
3858	*pfPAE = true;
3859	}
3860	else
3861	*pfPAE = false;
3862
3863	*pfLME = CPUMGetGuestMode(pVCpu) == CPUMMODE_LONG;
3864	pfNXE = false; / GUEST64 GUESTNX */
3865	return CPUMGetGuestCR3(pVCpu);
3866	#endif
3867	}
3868
3869
3870	/**
3871	* Determine the shadow paging mode.
3872	*
3873	* @returns cr3.
3874	* @param pDbgc The DBGC instance.
3875	* @param pfPAE Where to store the page address extension indicator.
3876	* @param pfLME Where to store the long mode enabled indicator.
3877	* @param pfPSE Where to store the page size extension indicator.
3878	* @param pfPGE Where to store the page global enabled indicator.
3879	* @param pfNXE Where to store the no-execution enabled indicator.
3880	*/
3881	static RTHCPHYS dbgcGetShadowPageMode(PDBGC pDbgc, bool pfPAE, bool pfLME, bool pfPSE, bool pfPGE, bool *pfNXE)
3882	{
3883	#if defined(VBOX_VMM_TARGET_ARMV8)
3884	RT_NOREF(pDbgc, pfPAE, pfLME, pfPSE, pfPGE, pfNXE);
3885	AssertReleaseFailed();
3886	pfPAE = pfLME = pfPSE = pfPGE = *pfNXE = false;
3887	return ~(RTHCPHYS)0;
3888	#else
3889	PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3890
3891	*pfPSE = true;
3892	*pfPGE = false;
3893	switch (PGMGetShadowMode(pVCpu))
3894	{
3895	default:
3896	case PGMMODE_32_BIT:
3897	pfPAE = pfLME = *pfNXE = false;
3898	break;
3899	case PGMMODE_PAE:
3900	pfLME = pfNXE = false;
3901	*pfPAE = true;
3902	break;
3903	case PGMMODE_PAE_NX:
3904	*pfLME = false;
3905	pfPAE = pfNXE = true;
3906	break;
3907	case PGMMODE_AMD64:
3908	*pfNXE = false;
3909	pfPAE = pfLME = true;
3910	break;
3911	case PGMMODE_AMD64_NX:
3912	pfPAE = pfLME = *pfNXE = true;
3913	break;
3914	}
3915	return PGMGetHyperCR3(pVCpu);
3916	#endif
3917	}
3918
3919
3920	/**
3921	* @callback_method_impl{FNDBGCCMD,
3922	* The 'dpd'\, 'dpda'\, 'dpdb'\, 'dpdg' and 'dpdh' commands.}
3923	*/
3924	static DECLCALLBACK(int) dbgcCmdDumpPageDir(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3925	{
3926	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3927
3928	/*
3929	* Validate input.
3930	*/
3931	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3932	if (cArgs == 1 && pCmd->pszCmd[3] == 'a')
3933	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3934	if (cArgs == 1 && pCmd->pszCmd[3] != 'a')
3935	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3936	\|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
3937	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3938
3939	/*
3940	* Guest or shadow page directories? Get the paging parameters.
3941	*/
3942	bool fGuest = pCmd->pszCmd[3] != 'h';
3943	if (!pCmd->pszCmd[3] \|\| pCmd->pszCmd[3] == 'a')
3944	fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER ? true : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
3945
3946	bool fPAE, fLME, fPSE, fPGE, fNXE;
3947	uint64_t cr3 = fGuest
3948	? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
3949	: dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
3950	const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
3951
3952	/*
3953	* Setup default argument if none was specified.
3954	* Fix address / index confusion.
3955	*/
3956	DBGCVAR VarDefault;
3957	if (!cArgs)
3958	{
3959	if (pCmd->pszCmd[3] == 'a')
3960	{
3961	if (fLME \|\| fPAE)
3962	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");
3963	if (fGuest)
3964	DBGCVAR_INIT_GC_PHYS(&VarDefault, cr3);
3965	else
3966	DBGCVAR_INIT_HC_PHYS(&VarDefault, cr3);
3967	}
3968	else
3969	DBGCVAR_INIT_GC_FLAT(&VarDefault, 0);
3970	paArgs = &VarDefault;
3971	cArgs = 1;
3972	}
3973	else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
3974	{
3975	/* If it's a number (not an address), it's an index, so convert it to an address. */
3976	Assert(pCmd->pszCmd[3] != 'a');
3977	VarDefault = paArgs[0];
3978	if (fPAE)
3979	return DBGCCmdHlpPrintf(pCmdHlp, "PDE indexing is only implemented for 32-bit paging.\n");
3980	if (VarDefault.u.u64Number >= GUEST_PAGE_SIZE / cbEntry)
3981	return DBGCCmdHlpPrintf(pCmdHlp, "PDE index is out of range [0..%d].\n", GUEST_PAGE_SIZE / cbEntry - 1);
3982	VarDefault.u.u64Number <<= X86_PD_SHIFT;
3983	VarDefault.enmType = DBGCVAR_TYPE_GC_FLAT;
3984	paArgs = &VarDefault;
3985	}
3986
3987	/*
3988	* Locate the PDE to start displaying at.
3989	*
3990	* The 'dpda' command takes the address of a PDE, while the others are guest
3991	* virtual address which PDEs should be displayed. So, 'dpda' is rather simple
3992	* while the others require us to do all the tedious walking thru the paging
3993	* hierarchy to find the intended PDE.
3994	*/
3995	unsigned iEntry = ~0U; /* The page directory index. ~0U for 'dpta'. */
3996	DBGCVAR VarGCPtr = { NULL, }; /* The GC address corresponding to the current PDE (iEntry != ~0U). */
3997	DBGCVAR VarPDEAddr; /* The address of the current PDE. */
3998	unsigned cEntries; /* The number of entries to display. */
3999	unsigned cEntriesMax; /* The max number of entries to display. */
4000	int rc;
4001	if (pCmd->pszCmd[3] == 'a')
4002	{
4003	VarPDEAddr = paArgs[0];
4004	switch (VarPDEAddr.enmRangeType)
4005	{
4006	case DBGCVAR_RANGE_BYTES: cEntries = VarPDEAddr.u64Range / cbEntry; break;
4007	case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPDEAddr.u64Range; break;
4008	default: cEntries = 10; break;
4009	}
4010	cEntriesMax = GUEST_PAGE_SIZE / cbEntry;
4011	}
4012	else
4013	{
4014	/*
4015	* Determine the range.
4016	*/
4017	switch (paArgs[0].enmRangeType)
4018	{
4019	case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / GUEST_PAGE_SIZE; break;
4020	case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
4021	default: cEntries = 10; break;
4022	}
4023
4024	/*
4025	* Normalize the input address, it must be a flat GC address.
4026	*/
4027	rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
4028	if (RT_FAILURE(rc))
4029	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
4030	if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
4031	{
4032	VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
4033	VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
4034	}
4035	if (fPAE)
4036	VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_PAE_SHIFT) - 1);
4037	else
4038	VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_SHIFT) - 1);
4039
4040	/*
4041	* Do the paging walk until we get to the page directory.
4042	*/
4043	DBGCVAR VarCur;
4044	if (fGuest)
4045	DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
4046	else
4047	DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
4048	if (fLME)
4049	{
4050	/* Page Map Level 4 Lookup. */
4051	/* Check if it's a valid address first? */
4052	VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
4053	VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
4054	X86PML4E Pml4e;
4055	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
4056	if (RT_FAILURE(rc))
4057	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
4058	if (!Pml4e.n.u1Present)
4059	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
4060
4061	VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
4062	Assert(fPAE);
4063	}
4064	if (fPAE)
4065	{
4066	/* Page directory pointer table. */
4067	X86PDPE Pdpe;
4068	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
4069	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
4070	if (RT_FAILURE(rc))
4071	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
4072	if (!Pdpe.n.u1Present)
4073	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
4074
4075	iEntry = (VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK;
4076	VarPDEAddr = VarCur;
4077	VarPDEAddr.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
4078	VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDEPAE);
4079	}
4080	else
4081	{
4082	/* 32-bit legacy - CR3 == page directory. */
4083	iEntry = (VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK;
4084	VarPDEAddr = VarCur;
4085	VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDE);
4086	}
4087	cEntriesMax = (GUEST_PAGE_SIZE - iEntry) / cbEntry;
4088	}
4089
4090	/* adjust cEntries */
4091	cEntries = RT_MAX(1, cEntries);
4092	cEntries = RT_MIN(cEntries, cEntriesMax);
4093
4094	/*
4095	* The display loop.
4096	*/
4097	DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (index %#x):\n" : "%DV:\n",
4098	&VarPDEAddr, iEntry);
4099	do
4100	{
4101	/*
4102	* Read.
4103	*/
4104	X86PDEPAE Pde;
4105	Pde.u = 0;
4106	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, cbEntry, &VarPDEAddr, NULL);
4107	if (RT_FAILURE(rc))
4108	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarPDEAddr);
4109
4110	/*
4111	* Display.
4112	*/
4113	if (iEntry != ~0U)
4114	{
4115	DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
4116	iEntry++;
4117	}
4118	if (fPSE && Pde.b.u1Size)
4119	DBGCCmdHlpPrintf(pCmdHlp,
4120	fPAE
4121	? "%016llx big phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
4122	: "%08llx big phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
4123	Pde.u,
4124	Pde.u & X86_PDE_PAE_PG_MASK,
4125	Pde.b.u1Present ? "p " : "np",
4126	Pde.b.u1Write ? "w" : "r",
4127	Pde.b.u1User ? "u" : "s",
4128	Pde.b.u1Accessed ? "a " : "na",
4129	Pde.b.u1Dirty ? "d " : "nd",
4130	Pde.b.u3Available,
4131	Pde.b.u1Global ? (fPGE ? "g" : "G") : " ",
4132	Pde.b.u1WriteThru ? "pwt" : " ",
4133	Pde.b.u1CacheDisable ? "pcd" : " ",
4134	Pde.b.u1PAT ? "pat" : "",
4135	Pde.b.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
4136	else
4137	DBGCCmdHlpPrintf(pCmdHlp,
4138	fPAE
4139	? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s"
4140	: "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s",
4141	Pde.u,
4142	Pde.u & X86_PDE_PAE_PG_MASK,
4143	Pde.n.u1Present ? "p " : "np",
4144	Pde.n.u1Write ? "w" : "r",
4145	Pde.n.u1User ? "u" : "s",
4146	Pde.n.u1Accessed ? "a " : "na",
4147	Pde.u & RT_BIT(6) ? "6 " : " ",
4148	Pde.n.u3Available,
4149	Pde.u & RT_BIT(8) ? "8" : " ",
4150	Pde.n.u1WriteThru ? "pwt" : " ",
4151	Pde.n.u1CacheDisable ? "pcd" : " ",
4152	Pde.u & RT_BIT(7) ? "7" : "",
4153	Pde.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
4154	if (Pde.u & UINT64_C(0x7fff000000000000))
4155	DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pde.u & UINT64_C(0x7fff000000000000)));
4156	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
4157	if (RT_FAILURE(rc))
4158	return rc;
4159
4160	/*
4161	* Advance.
4162	*/
4163	VarPDEAddr.u.u64Number += cbEntry;
4164	if (iEntry != ~0U)
4165	VarGCPtr.u.GCFlat += fPAE ? RT_BIT_32(X86_PD_PAE_SHIFT) : RT_BIT_32(X86_PD_SHIFT);
4166	} while (cEntries-- > 0);
4167
4168	return VINF_SUCCESS;
4169	}
4170
4171
4172	/**
4173	* @callback_method_impl{FNDBGCCMD, The 'dpdb' command.}
4174	*/
4175	static DECLCALLBACK(int) dbgcCmdDumpPageDirBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4176	{
4177	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4178	int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dpdg %DV", &paArgs[0]);
4179	int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpdh %DV", &paArgs[0]);
4180	if (RT_FAILURE(rc1))
4181	return rc1;
4182	NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
4183	return rc2;
4184	}
4185
4186
4187	/**
4188	* @callback_method_impl{FNDBGCCMD, The 'dph*' commands and main part of 'm'.}
4189	*/
4190	static DECLCALLBACK(int) dbgcCmdDumpPageHierarchy(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4191	{
4192	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4193	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4194
4195	/*
4196	* Figure the context and base flags.
4197	*/
4198	uint32_t fFlags = DBGFPGDMP_FLAGS_PAGE_INFO \| DBGFPGDMP_FLAGS_PRINT_CR3;
4199	if (pCmd->pszCmd[0] == 'm')
4200	fFlags \|= DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW;
4201	else if (pCmd->pszCmd[3] == '\0')
4202	fFlags \|= DBGFPGDMP_FLAGS_GUEST;
4203	else if (pCmd->pszCmd[3] == 'g')
4204	fFlags \|= DBGFPGDMP_FLAGS_GUEST;
4205	else if (pCmd->pszCmd[3] == 'h')
4206	fFlags \|= DBGFPGDMP_FLAGS_SHADOW;
4207	else
4208	AssertFailed();
4209
4210	if (pDbgc->cPagingHierarchyDumps == 0)
4211	fFlags \|= DBGFPGDMP_FLAGS_HEADER;
4212	pDbgc->cPagingHierarchyDumps = (pDbgc->cPagingHierarchyDumps + 1) % 42;
4213
4214	/*
4215	* Get the range.
4216	*/
4217	PCDBGCVAR pRange = cArgs > 0 ? &paArgs[0] : pDbgc->pLastPos;
4218	RTGCPTR GCPtrFirst = NIL_RTGCPTR;
4219	int rc = DBGCCmdHlpVarToFlatAddr(pCmdHlp, pRange, &GCPtrFirst);
4220	if (RT_FAILURE(rc))
4221	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to convert %DV to a flat address: %Rrc", pRange, rc);
4222
4223	uint64_t cbRange;
4224	rc = DBGCCmdHlpVarGetRange(pCmdHlp, pRange, GUEST_PAGE_SIZE, GUEST_PAGE_SIZE * 8, &cbRange);
4225	if (RT_FAILURE(rc))
4226	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to obtain the range of %DV: %Rrc", pRange, rc);
4227
4228	RTGCPTR GCPtrLast = RTGCPTR_MAX - GCPtrFirst;
4229	if (cbRange >= GCPtrLast)
4230	GCPtrLast = RTGCPTR_MAX;
4231	else if (!cbRange)
4232	GCPtrLast = GCPtrFirst;
4233	else
4234	GCPtrLast = GCPtrFirst + cbRange - 1;
4235
4236	/*
4237	* Do we have a CR3?
4238	*/
4239	uint64_t cr3 = 0;
4240	if (cArgs > 1)
4241	{
4242	if ((fFlags & (DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW)) == (DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW))
4243	return DBGCCmdHlpFail(pCmdHlp, pCmd, "No CR3 or mode arguments when dumping both context, please.");
4244	if (paArgs[1].enmType != DBGCVAR_TYPE_NUMBER)
4245	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The CR3 argument is not a number: %DV", &paArgs[1]);
4246	cr3 = paArgs[1].u.u64Number;
4247	}
4248	else
4249	fFlags \|= DBGFPGDMP_FLAGS_CURRENT_CR3;
4250
4251	/*
4252	* Do we have a mode?
4253	*/
4254	if (cArgs > 2)
4255	{
4256	if (paArgs[2].enmType != DBGCVAR_TYPE_STRING)
4257	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The mode argument is not a string: %DV", &paArgs[2]);
4258	static const struct MODETOFLAGS
4259	{
4260	const char *pszName;
4261	uint32_t fFlags;
4262	} s_aModeToFlags[] =
4263	{
4264	{ "ept", DBGFPGDMP_FLAGS_EPT },
4265	{ "legacy", 0 },
4266	{ "legacy-np", DBGFPGDMP_FLAGS_NP },
4267	{ "pse", DBGFPGDMP_FLAGS_PSE },
4268	{ "pse-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_NP },
4269	{ "pae", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE },
4270	{ "pae-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_NP },
4271	{ "pae-nx", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_NXE },
4272	{ "pae-nx-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_NXE \| DBGFPGDMP_FLAGS_NP },
4273	{ "long", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME },
4274	{ "long-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME \| DBGFPGDMP_FLAGS_NP },
4275	{ "long-nx", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME \| DBGFPGDMP_FLAGS_NXE },
4276	{ "long-nx-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME \| DBGFPGDMP_FLAGS_NXE \| DBGFPGDMP_FLAGS_NP }
4277	};
4278	int i = RT_ELEMENTS(s_aModeToFlags);
4279	while (i-- > 0)
4280	if (!strcmp(s_aModeToFlags[i].pszName, paArgs[2].u.pszString))
4281	{
4282	fFlags \|= s_aModeToFlags[i].fFlags;
4283	break;
4284	}
4285	if (i < 0)
4286	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown mode: \"%s\"", paArgs[2].u.pszString);
4287	}
4288	else
4289	fFlags \|= DBGFPGDMP_FLAGS_CURRENT_MODE;
4290
4291	/*
4292	* Call the worker.
4293	*/
4294	rc = DBGFR3PagingDumpEx(pUVM, pDbgc->idCpu, fFlags, cr3, GCPtrFirst, GCPtrLast, 99 /cMaxDepth/,
4295	DBGCCmdHlpGetDbgfOutputHlp(pCmdHlp));
4296	if (RT_FAILURE(rc))
4297	return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3PagingDumpEx: %Rrc\n", rc);
4298	return VINF_SUCCESS;
4299	}
4300
4301
4302
4303	/**
4304	* @callback_method_impl{FNDBGCCMD, The 'dpg*' commands.}
4305	*/
4306	static DECLCALLBACK(int) dbgcCmdDumpPageTable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4307	{
4308	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4309
4310	/*
4311	* Validate input.
4312	*/
4313	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1);
4314	if (pCmd->pszCmd[3] == 'a')
4315	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
4316	else
4317	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
4318	\|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
4319	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4320
4321	/*
4322	* Guest or shadow page tables? Get the paging parameters.
4323	*/
4324	bool fGuest = pCmd->pszCmd[3] != 'h';
4325	if (!pCmd->pszCmd[3] \|\| pCmd->pszCmd[3] == 'a')
4326	fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER ? true : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
4327
4328	bool fPAE, fLME, fPSE, fPGE, fNXE;
4329	uint64_t cr3 = fGuest
4330	? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
4331	: dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
4332	const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
4333
4334	/*
4335	* Locate the PTE to start displaying at.
4336	*
4337	* The 'dpta' command takes the address of a PTE, while the others are guest
4338	* virtual address which PTEs should be displayed. So, 'pdta' is rather simple
4339	* while the others require us to do all the tedious walking thru the paging
4340	* hierarchy to find the intended PTE.
4341	*/
4342	unsigned iEntry = ~0U; /* The page table index. ~0U for 'dpta'. */
4343	DBGCVAR VarGCPtr; /* The GC address corresponding to the current PTE (iEntry != ~0U). */
4344	DBGCVAR VarPTEAddr; /* The address of the current PTE. */
4345	unsigned cEntries; /* The number of entries to display. */
4346	unsigned cEntriesMax; /* The max number of entries to display. */
4347	int rc;
4348	if (pCmd->pszCmd[3] == 'a')
4349	{
4350	VarPTEAddr = paArgs[0];
4351	switch (VarPTEAddr.enmRangeType)
4352	{
4353	case DBGCVAR_RANGE_BYTES: cEntries = VarPTEAddr.u64Range / cbEntry; break;
4354	case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPTEAddr.u64Range; break;
4355	default: cEntries = 10; break;
4356	}
4357	cEntriesMax = GUEST_PAGE_SIZE / cbEntry;
4358	}
4359	else
4360	{
4361	/*
4362	* Determine the range.
4363	*/
4364	switch (paArgs[0].enmRangeType)
4365	{
4366	case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / GUEST_PAGE_SIZE; break;
4367	case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
4368	default: cEntries = 10; break;
4369	}
4370
4371	/*
4372	* Normalize the input address, it must be a flat GC address.
4373	*/
4374	rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
4375	if (RT_FAILURE(rc))
4376	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
4377	if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
4378	{
4379	VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
4380	VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
4381	}
4382	VarGCPtr.u.GCFlat &= ~(RTGCPTR)GUEST_PAGE_OFFSET_MASK;
4383
4384	/*
4385	* Do the paging walk until we get to the page table.
4386	*/
4387	DBGCVAR VarCur;
4388	if (fGuest)
4389	DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
4390	else
4391	DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
4392	if (fLME)
4393	{
4394	/* Page Map Level 4 Lookup. */
4395	/* Check if it's a valid address first? */
4396	VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
4397	VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
4398	X86PML4E Pml4e;
4399	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
4400	if (RT_FAILURE(rc))
4401	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
4402	if (!Pml4e.n.u1Present)
4403	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
4404
4405	VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
4406	Assert(fPAE);
4407	}
4408	if (fPAE)
4409	{
4410	/* Page directory pointer table. */
4411	X86PDPE Pdpe;
4412	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
4413	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
4414	if (RT_FAILURE(rc))
4415	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
4416	if (!Pdpe.n.u1Present)
4417	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
4418
4419	VarCur.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
4420
4421	/* Page directory (PAE). */
4422	X86PDEPAE Pde;
4423	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK) * sizeof(Pde);
4424	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
4425	if (RT_FAILURE(rc))
4426	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
4427	if (!Pde.n.u1Present)
4428	return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
4429	if (fPSE && Pde.n.u1Size)
4430	return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
4431
4432	iEntry = (VarGCPtr.u.GCFlat >> X86_PT_PAE_SHIFT) & X86_PT_PAE_MASK;
4433	VarPTEAddr = VarCur;
4434	VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PAE_PG_MASK;
4435	VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTEPAE);
4436	}
4437	else
4438	{
4439	/* Page directory (legacy). */
4440	X86PDE Pde;
4441	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK) * sizeof(Pde);
4442	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
4443	if (RT_FAILURE(rc))
4444	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
4445	if (!Pde.n.u1Present)
4446	return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
4447	if (fPSE && Pde.n.u1Size)
4448	return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
4449
4450	iEntry = (VarGCPtr.u.GCFlat >> X86_PT_SHIFT) & X86_PT_MASK;
4451	VarPTEAddr = VarCur;
4452	VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PG_MASK;
4453	VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTE);
4454	}
4455	cEntriesMax = (GUEST_PAGE_SIZE - iEntry) / cbEntry;
4456	}
4457
4458	/* adjust cEntries */
4459	cEntries = RT_MAX(1, cEntries);
4460	cEntries = RT_MIN(cEntries, cEntriesMax);
4461
4462	/*
4463	* The display loop.
4464	*/
4465	DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (base %DV / index %#x):\n" : "%DV:\n",
4466	&VarPTEAddr, &VarGCPtr, iEntry);
4467	do
4468	{
4469	/*
4470	* Read.
4471	*/
4472	X86PTEPAE Pte;
4473	Pte.u = 0;
4474	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pte, cbEntry, &VarPTEAddr, NULL);
4475	if (RT_FAILURE(rc))
4476	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PTE memory at %DV.\n", &VarPTEAddr);
4477
4478	/*
4479	* Display.
4480	*/
4481	if (iEntry != ~0U)
4482	{
4483	DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
4484	iEntry++;
4485	}
4486	DBGCCmdHlpPrintf(pCmdHlp,
4487	fPAE
4488	? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
4489	: "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
4490	Pte.u,
4491	Pte.u & X86_PTE_PAE_PG_MASK,
4492	Pte.n.u1Present ? "p " : "np",
4493	Pte.n.u1Write ? "w" : "r",
4494	Pte.n.u1User ? "u" : "s",
4495	Pte.n.u1Accessed ? "a " : "na",
4496	Pte.n.u1Dirty ? "d " : "nd",
4497	Pte.n.u3Available,
4498	Pte.n.u1Global ? (fPGE ? "g" : "G") : " ",
4499	Pte.n.u1WriteThru ? "pwt" : " ",
4500	Pte.n.u1CacheDisable ? "pcd" : " ",
4501	Pte.n.u1PAT ? "pat" : " ",
4502	Pte.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " "
4503	);
4504	if (Pte.u & UINT64_C(0x7fff000000000000))
4505	DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pte.u & UINT64_C(0x7fff000000000000)));
4506	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
4507	if (RT_FAILURE(rc))
4508	return rc;
4509
4510	/*
4511	* Advance.
4512	*/
4513	VarPTEAddr.u.u64Number += cbEntry;
4514	if (iEntry != ~0U)
4515	VarGCPtr.u.GCFlat += GUEST_PAGE_SIZE;
4516	} while (cEntries-- > 0);
4517
4518	return VINF_SUCCESS;
4519	}
4520
4521
4522	/**
4523	* @callback_method_impl{FNDBGCCMD, The 'dptb' command.}
4524	*/
4525	static DECLCALLBACK(int) dbgcCmdDumpPageTableBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4526	{
4527	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4528	int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dptg %DV", &paArgs[0]);
4529	int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpth %DV", &paArgs[0]);
4530	if (RT_FAILURE(rc1))
4531	return rc1;
4532	NOREF(pCmd); NOREF(cArgs);
4533	return rc2;
4534	}
4535
4536
4537	/**
4538	* @callback_method_impl{FNDBGCCMD, The 'dt' command.}
4539	*/
4540	static DECLCALLBACK(int) dbgcCmdDumpTSS(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4541	{
4542	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4543	int rc;
4544
4545	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4546	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
4547	if (cArgs == 1)
4548	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType != DBGCVAR_TYPE_STRING
4549	&& paArgs[0].enmType != DBGCVAR_TYPE_SYMBOL);
4550
4551	/*
4552	* Check if the command indicates the type.
4553	*/
4554	enum { kTss16, kTss32, kTss64, kTssToBeDetermined } enmTssType = kTssToBeDetermined;
4555	if (!strcmp(pCmd->pszCmd, "dt16"))
4556	enmTssType = kTss16;
4557	else if (!strcmp(pCmd->pszCmd, "dt32"))
4558	enmTssType = kTss32;
4559	else if (!strcmp(pCmd->pszCmd, "dt64"))
4560	enmTssType = kTss64;
4561
4562	/*
4563	* We can get a TSS selector (number), a far pointer using a TSS selector, or some kind of TSS pointer.
4564	*/
4565	uint32_t SelTss = UINT32_MAX;
4566	DBGCVAR VarTssAddr;
4567	if (cArgs == 0)
4568	{
4569	/** @todo consider querying the hidden bits instead (missing API). */
4570	uint16_t SelTR;
4571	rc = DBGFR3RegCpuQueryU16(pUVM, pDbgc->idCpu, DBGFREG_TR, &SelTR);
4572	if (RT_FAILURE(rc))
4573	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to query TR, rc=%Rrc\n", rc);
4574	DBGCVAR_INIT_GC_FAR(&VarTssAddr, SelTR, 0);
4575	SelTss = SelTR;
4576	}
4577	else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
4578	{
4579	if (paArgs[0].u.u64Number < 0xffff)
4580	DBGCVAR_INIT_GC_FAR(&VarTssAddr, (RTSEL)paArgs[0].u.u64Number, 0);
4581	else
4582	{
4583	if (paArgs[0].enmRangeType == DBGCVAR_RANGE_ELEMENTS)
4584	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Element count doesn't combine with a TSS address.\n");
4585	DBGCVAR_INIT_GC_FLAT(&VarTssAddr, paArgs[0].u.u64Number);
4586	if (paArgs[0].enmRangeType == DBGCVAR_RANGE_BYTES)
4587	{
4588	VarTssAddr.enmRangeType = paArgs[0].enmRangeType;
4589	VarTssAddr.u64Range = paArgs[0].u64Range;
4590	}
4591	}
4592	}
4593	else
4594	VarTssAddr = paArgs[0];
4595
4596	/*
4597	* Deal with TSS:ign by means of the GDT.
4598	*/
4599	if (VarTssAddr.enmType == DBGCVAR_TYPE_GC_FAR)
4600	{
4601	SelTss = VarTssAddr.u.GCFar.sel;
4602	DBGFSELINFO SelInfo;
4603	rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, VarTssAddr.u.GCFar.sel, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
4604	if (RT_FAILURE(rc))
4605	return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3SelQueryInfo(,%u,%d,,) -> %Rrc.\n",
4606	pDbgc->idCpu, VarTssAddr.u.GCFar.sel, rc);
4607
4608	if (SelInfo.u.Raw.Gen.u1DescType)
4609	return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (!sys)\n", VarTssAddr.u.GCFar.sel);
4610
4611	switch (SelInfo.u.Raw.Gen.u4Type)
4612	{
4613	case X86_SEL_TYPE_SYS_286_TSS_BUSY:
4614	case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
4615	if (enmTssType == kTssToBeDetermined)
4616	enmTssType = kTss16;
4617	break;
4618
4619	case X86_SEL_TYPE_SYS_386_TSS_BUSY: /* AMD64 too */
4620	case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
4621	if (enmTssType == kTssToBeDetermined)
4622	enmTssType = SelInfo.fFlags & DBGFSELINFO_FLAGS_LONG_MODE ? kTss64 : kTss32;
4623	break;
4624
4625	default:
4626	return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (type=%x)\n",
4627	VarTssAddr.u.GCFar.sel, SelInfo.u.Raw.Gen.u4Type);
4628	}
4629
4630	DBGCVAR_INIT_GC_FLAT(&VarTssAddr, SelInfo.GCPtrBase);
4631	DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, RT_MAX(SelInfo.cbLimit + 1, SelInfo.cbLimit));
4632	}
4633
4634	/*
4635	* Determine the TSS type if none is currently given.
4636	*/
4637	if (enmTssType == kTssToBeDetermined)
4638	{
4639	if ( VarTssAddr.u64Range > 0
4640	&& VarTssAddr.u64Range < sizeof(X86TSS32) - 4)
4641	enmTssType = kTss16;
4642	else
4643	{
4644	uint64_t uEfer;
4645	rc = DBGFR3RegCpuQueryU64(pUVM, pDbgc->idCpu, DBGFREG_MSR_K6_EFER, &uEfer);
4646	if ( RT_FAILURE(rc)
4647	\|\| !(uEfer & MSR_K6_EFER_LMA) )
4648	enmTssType = kTss32;
4649	else
4650	enmTssType = kTss64;
4651	}
4652	}
4653
4654	/*
4655	* Figure the min/max sizes.
4656	* ASSUMES max TSS size is 64 KB.
4657	*/
4658	uint32_t cbTssMin;
4659	uint32_t cbTssMax;
4660	switch (enmTssType)
4661	{
4662	case kTss16:
4663	cbTssMin = cbTssMax = X86_SEL_TYPE_SYS_286_TSS_LIMIT_MIN + 1;
4664	break;
4665	case kTss32:
4666	cbTssMin = X86_SEL_TYPE_SYS_386_TSS_LIMIT_MIN + 1;
4667	cbTssMax = _64K;
4668	break;
4669	case kTss64:
4670	cbTssMin = X86_SEL_TYPE_SYS_386_TSS_LIMIT_MIN + 1;
4671	cbTssMax = _64K;
4672	break;
4673	default:
4674	AssertFailedReturn(VERR_INTERNAL_ERROR);
4675	}
4676	uint32_t cbTss = VarTssAddr.enmRangeType == DBGCVAR_RANGE_BYTES ? (uint32_t)VarTssAddr.u64Range : 0;
4677	if (cbTss == 0)
4678	cbTss = cbTssMin;
4679	else if (cbTss < cbTssMin)
4680	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Minimum TSS size is %u bytes, you specified %llu (%llx) bytes.\n",
4681	cbTssMin, VarTssAddr.u64Range, VarTssAddr.u64Range);
4682	else if (cbTss > cbTssMax)
4683	cbTss = cbTssMax;
4684	DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, cbTss);
4685
4686	/*
4687	* Read the TSS into a temporary buffer.
4688	*/
4689	uint8_t abBuf[_64K];
4690	size_t cbTssRead;
4691	rc = DBGCCmdHlpMemRead(pCmdHlp, abBuf, cbTss, &VarTssAddr, &cbTssRead);
4692	if (RT_FAILURE(rc))
4693	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read TSS at %Dv: %Rrc\n", &VarTssAddr, rc);
4694	if (cbTssRead < cbTssMin)
4695	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read essential parts of the TSS (read %zu, min %zu).\n",
4696	cbTssRead, cbTssMin);
4697	if (cbTssRead < cbTss)
4698	memset(&abBuf[cbTssRead], 0xff, cbTss - cbTssRead);
4699
4700
4701	/*
4702	* Format the TSS.
4703	*/
4704	uint16_t offIoBitmap;
4705	switch (enmTssType)
4706	{
4707	case kTss16:
4708	{
4709	PCX86TSS16 pTss = (PCX86TSS16)&abBuf[0];
4710	if (SelTss != UINT32_MAX)
4711	DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS16 at %Dv\n", SelTss, &VarTssAddr);
4712	else
4713	DBGCCmdHlpPrintf(pCmdHlp, "TSS16 at %Dv\n", &VarTssAddr);
4714	DBGCCmdHlpPrintf(pCmdHlp,
4715	"ax=%04x bx=%04x cx=%04x dx=%04x si=%04x di=%04x\n"
4716	"ip=%04x sp=%04x bp=%04x\n"
4717	"cs=%04x ss=%04x ds=%04x es=%04x flags=%04x\n"
4718	"ss:sp0=%04x:%04x ss:sp1=%04x:%04x ss:sp2=%04x:%04x\n"
4719	"prev=%04x ldtr=%04x\n"
4720	,
4721	pTss->ax, pTss->bx, pTss->cx, pTss->dx, pTss->si, pTss->di,
4722	pTss->ip, pTss->sp, pTss->bp,
4723	pTss->cs, pTss->ss, pTss->ds, pTss->es, pTss->flags,
4724	pTss->ss0, pTss->sp0, pTss->ss1, pTss->sp1, pTss->ss2, pTss->sp2,
4725	pTss->selPrev, pTss->selLdt);
4726	if (pTss->cs != 0)
4727	pCmdHlp->pfnExec(pCmdHlp, "u %04x:%04x L 0", pTss->cs, pTss->ip);
4728	offIoBitmap = 0;
4729	break;
4730	}
4731
4732	case kTss32:
4733	{
4734	PCX86TSS32 pTss = (PCX86TSS32)&abBuf[0];
4735	if (SelTss != UINT32_MAX)
4736	DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS32 at %Dv (min=%04x)\n", SelTss, &VarTssAddr, cbTssMin);
4737	else
4738	DBGCCmdHlpPrintf(pCmdHlp, "TSS32 at %Dv (min=%04x)\n", &VarTssAddr, cbTssMin);
4739	DBGCCmdHlpPrintf(pCmdHlp,
4740	"eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x\n"
4741	"eip=%08x esp=%08x ebp=%08x\n"
4742	"cs=%04x ss=%04x ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n"
4743	"ss:esp0=%04x:%08x ss:esp1=%04x:%08x ss:esp2=%04x:%08x\n"
4744	"prev=%04x ldtr=%04x cr3=%08x debug=%u iomap=%04x\n"
4745	,
4746	pTss->eax, pTss->ebx, pTss->ecx, pTss->edx, pTss->esi, pTss->edi,
4747	pTss->eip, pTss->esp, pTss->ebp,
4748	pTss->cs, pTss->ss, pTss->ds, pTss->es, pTss->fs, pTss->gs, pTss->eflags,
4749	pTss->ss0, pTss->esp0, pTss->ss1, pTss->esp1, pTss->ss2, pTss->esp2,
4750	pTss->selPrev, pTss->selLdt, pTss->cr3, pTss->fDebugTrap, pTss->offIoBitmap);
4751	if (pTss->cs != 0)
4752	pCmdHlp->pfnExec(pCmdHlp, "u %04x:%08x L 0", pTss->cs, pTss->eip);
4753	offIoBitmap = pTss->offIoBitmap;
4754	break;
4755	}
4756
4757	case kTss64:
4758	{
4759	PCX86TSS64 pTss = (PCX86TSS64)&abBuf[0];
4760	if (SelTss != UINT32_MAX)
4761	DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS64 at %Dv (min=%04x)\n", SelTss, &VarTssAddr, cbTssMin);
4762	else
4763	DBGCCmdHlpPrintf(pCmdHlp, "TSS64 at %Dv (min=%04x)\n", &VarTssAddr, cbTssMin);
4764	DBGCCmdHlpPrintf(pCmdHlp,
4765	"rsp0=%016RX64 rsp1=%016RX64 rsp2=%016RX64\n"
4766	"ist1=%016RX64 ist2=%016RX64\n"
4767	"ist3=%016RX64 ist4=%016RX64\n"
4768	"ist5=%016RX64 ist6=%016RX64\n"
4769	"ist7=%016RX64 iomap=%04x\n"
4770	,
4771	pTss->rsp0, pTss->rsp1, pTss->rsp2,
4772	pTss->ist1, pTss->ist2,
4773	pTss->ist3, pTss->ist4,
4774	pTss->ist5, pTss->ist6,
4775	pTss->ist7, pTss->offIoBitmap);
4776	offIoBitmap = pTss->offIoBitmap;
4777	break;
4778	}
4779
4780	default:
4781	AssertFailedReturn(VERR_INTERNAL_ERROR);
4782	}
4783
4784	/*
4785	* Dump the interrupt redirection bitmap.
4786	*/
4787	if (enmTssType != kTss16)
4788	{
4789	if ( offIoBitmap > cbTssMin
4790	&& offIoBitmap < cbTss) /** @todo check exactly what the edge cases are here. */
4791	{
4792	if (offIoBitmap - cbTssMin >= 32)
4793	{
4794	DBGCCmdHlpPrintf(pCmdHlp, "Interrupt redirection:\n");
4795	uint8_t const *pbIntRedirBitmap = &abBuf[offIoBitmap - 32];
4796	uint32_t iStart = 0;
4797	bool fPrev = ASMBitTest(pbIntRedirBitmap, 0); /* LE/BE issue */
4798	for (uint32_t i = 0; i < 256; i++)
4799	{
4800	bool fThis = ASMBitTest(pbIntRedirBitmap, i);
4801	if (fThis != fPrev)
4802	{
4803	DBGCCmdHlpPrintf(pCmdHlp, "%02x-%02x %s\n", iStart, i - 1, fPrev ? "Protected mode" : "Redirected");
4804	fPrev = fThis;
4805	iStart = i;
4806	}
4807	}
4808	DBGCCmdHlpPrintf(pCmdHlp, "%02x-%02x %s\n", iStart, 255, fPrev ? "Protected mode" : "Redirected");
4809	}
4810	else
4811	DBGCCmdHlpPrintf(pCmdHlp, "Invalid interrupt redirection bitmap size: %u (%#x), expected 32 bytes.\n",
4812	offIoBitmap - cbTssMin, offIoBitmap - cbTssMin);
4813	}
4814	else if (offIoBitmap > 0)
4815	DBGCCmdHlpPrintf(pCmdHlp, "No interrupt redirection bitmap (-%#x)\n", cbTssMin - offIoBitmap);
4816	else
4817	DBGCCmdHlpPrintf(pCmdHlp, "No interrupt redirection bitmap\n");
4818	}
4819
4820	/*
4821	* Dump the I/O permission bitmap if present. The IOPM cannot start below offset 0x68
4822	* (that applies to both 32-bit and 64-bit TSSs since their size is the same).
4823	* Note that there is always one padding byte that is not technically part of the bitmap
4824	* and "must have all bits set". It's not clear what happens when it doesn't. All ports
4825	* not covered by the bitmap are considered to be not accessible.
4826	*/
4827	if (enmTssType != kTss16)
4828	{
4829	if (offIoBitmap < cbTss && offIoBitmap >= 0x68)
4830	{
4831	uint32_t cPorts = RT_MIN((cbTss - offIoBitmap) * 8, _64K);
4832	DBGCVAR VarAddr;
4833	DBGCCmdHlpEval(pCmdHlp, &VarAddr, "%DV + %#x", &VarTssAddr, offIoBitmap);
4834	DBGCCmdHlpPrintf(pCmdHlp, "I/O bitmap at %DV - %#x ports:\n", &VarAddr, cPorts);
4835
4836	uint8_t const *pbIoBitmap = &abBuf[offIoBitmap];
4837	uint32_t iStart = 0;
4838	bool fPrev = ASMBitTest(pbIoBitmap, 0);
4839	uint32_t cLine = 0;
4840	for (uint32_t i = 1; i < _64K; i++)
4841	{
4842	bool fThis = i < cPorts ? ASMBitTest(pbIoBitmap, i) : true;
4843	if (fThis != fPrev)
4844	{
4845	cLine++;
4846	DBGCCmdHlpPrintf(pCmdHlp, "%04x-%04x %s%s", iStart, i-1,
4847	fPrev ? "GP" : "OK", (cLine % 6) == 0 ? "\n" : " ");
4848	fPrev = fThis;
4849	iStart = i;
4850	}
4851	}
4852	DBGCCmdHlpPrintf(pCmdHlp, "%04x-%04x %s\n", iStart, _64K-1, fPrev ? "GP" : "OK");
4853	}
4854	else if (offIoBitmap > 0)
4855	DBGCCmdHlpPrintf(pCmdHlp, "No I/O bitmap (-%#x)\n", cbTssMin - offIoBitmap);
4856	else
4857	DBGCCmdHlpPrintf(pCmdHlp, "No I/O bitmap\n");
4858	}
4859
4860	return VINF_SUCCESS;
4861	}
4862
4863
4864	/**
4865	* @callback_method_impl{FNDBGFR3TYPEDUMP, The 'dti' command dumper callback.}
4866	*/
4867	static DECLCALLBACK(int) dbgcCmdDumpTypeInfoCallback(uint32_t off, const char *pszField, uint32_t iLvl,
4868	const char *pszType, uint32_t fTypeFlags,
4869	uint32_t cElements, void *pvUser)
4870	{
4871	PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
4872
4873	/* Pad with spaces to match the level. */
4874	for (uint32_t i = 0; i < iLvl; i++)
4875	DBGCCmdHlpPrintf(pCmdHlp, " ");
4876
4877	size_t cbWritten = 0;
4878	DBGCCmdHlpPrintfEx(pCmdHlp, &cbWritten, "+0x%04x %s", off, pszField);
4879	while (cbWritten < 32)
4880	{
4881	/* Fill with spaces to get proper aligning. */
4882	DBGCCmdHlpPrintf(pCmdHlp, " ");
4883	cbWritten++;
4884	}
4885
4886	DBGCCmdHlpPrintf(pCmdHlp, ": ");
4887	if (fTypeFlags & DBGFTYPEREGMEMBER_F_ARRAY)
4888	DBGCCmdHlpPrintf(pCmdHlp, "[%u] ", cElements);
4889	if (fTypeFlags & DBGFTYPEREGMEMBER_F_POINTER)
4890	DBGCCmdHlpPrintf(pCmdHlp, "Ptr ");
4891	DBGCCmdHlpPrintf(pCmdHlp, "%s\n", pszType);
4892
4893	return VINF_SUCCESS;
4894	}
4895
4896
4897	/**
4898	* @callback_method_impl{FNDBGCCMD, The 'dti' command.}
4899	*/
4900	static DECLCALLBACK(int) dbgcCmdDumpTypeInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4901	{
4902	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4903	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 \|\| cArgs == 2);
4904	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING);
4905	if (cArgs == 2)
4906	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[1].enmType == DBGCVAR_TYPE_NUMBER);
4907
4908	uint32_t cLvlMax = cArgs == 2 ? (uint32_t)paArgs[1].u.u64Number : UINT32_MAX;
4909	return DBGFR3TypeDumpEx(pUVM, paArgs[0].u.pszString, 0 /* fFlags */, cLvlMax,
4910	dbgcCmdDumpTypeInfoCallback, pCmdHlp);
4911	}
4912
4913
4914	static void dbgcCmdDumpTypedValCallbackBuiltin(PDBGCCMDHLP pCmdHlp, DBGFTYPEBUILTIN enmType, size_t cbType,
4915	PDBGFTYPEVALBUF pValBuf)
4916	{
4917	switch (enmType)
4918	{
4919	case DBGFTYPEBUILTIN_UINT8:
4920	DBGCCmdHlpPrintf(pCmdHlp, "%RU8", pValBuf->u8);
4921	break;
4922	case DBGFTYPEBUILTIN_INT8:
4923	DBGCCmdHlpPrintf(pCmdHlp, "%RI8", pValBuf->i8);
4924	break;
4925	case DBGFTYPEBUILTIN_UINT16:
4926	DBGCCmdHlpPrintf(pCmdHlp, "%RU16", pValBuf->u16);
4927	break;
4928	case DBGFTYPEBUILTIN_INT16:
4929	DBGCCmdHlpPrintf(pCmdHlp, "%RI16", pValBuf->i16);
4930	break;
4931	case DBGFTYPEBUILTIN_UINT32:
4932	DBGCCmdHlpPrintf(pCmdHlp, "%RU32", pValBuf->u32);
4933	break;
4934	case DBGFTYPEBUILTIN_INT32:
4935	DBGCCmdHlpPrintf(pCmdHlp, "%RI32", pValBuf->i32);
4936	break;
4937	case DBGFTYPEBUILTIN_UINT64:
4938	DBGCCmdHlpPrintf(pCmdHlp, "%RU64", pValBuf->u64);
4939	break;
4940	case DBGFTYPEBUILTIN_INT64:
4941	DBGCCmdHlpPrintf(pCmdHlp, "%RI64", pValBuf->i64);
4942	break;
4943	case DBGFTYPEBUILTIN_PTR32:
4944	DBGCCmdHlpPrintf(pCmdHlp, "%RX32", pValBuf->GCPtr);
4945	break;
4946	case DBGFTYPEBUILTIN_PTR64:
4947	DBGCCmdHlpPrintf(pCmdHlp, "%RX64", pValBuf->GCPtr);
4948	break;
4949	case DBGFTYPEBUILTIN_PTR:
4950	if (cbType == sizeof(uint32_t))
4951	DBGCCmdHlpPrintf(pCmdHlp, "%RX32", pValBuf->GCPtr);
4952	else if (cbType == sizeof(uint64_t))
4953	DBGCCmdHlpPrintf(pCmdHlp, "%RX64", pValBuf->GCPtr);
4954	else
4955	DBGCCmdHlpPrintf(pCmdHlp, "<Unsupported pointer width %u>", cbType);
4956	break;
4957	case DBGFTYPEBUILTIN_SIZE:
4958	if (cbType == sizeof(uint32_t))
4959	DBGCCmdHlpPrintf(pCmdHlp, "%RU32", pValBuf->size);
4960	else if (cbType == sizeof(uint64_t))
4961	DBGCCmdHlpPrintf(pCmdHlp, "%RU64", pValBuf->size);
4962	else
4963	DBGCCmdHlpPrintf(pCmdHlp, "<Unsupported size width %u>", cbType);
4964	break;
4965	case DBGFTYPEBUILTIN_FLOAT32:
4966	case DBGFTYPEBUILTIN_FLOAT64:
4967	case DBGFTYPEBUILTIN_COMPOUND:
4968	default:
4969	AssertMsgFailed(("Invalid built-in type: %d\n", enmType));
4970	}
4971	}
4972
4973	/**
4974	* @callback_method_impl{FNDBGFR3TYPEDUMP, The 'dtv' command dumper callback.}
4975	*/
4976	static DECLCALLBACK(int) dbgcCmdDumpTypedValCallback(uint32_t off, const char *pszField, uint32_t iLvl,
4977	DBGFTYPEBUILTIN enmType, size_t cbType,
4978	PDBGFTYPEVALBUF pValBuf, uint32_t cValBufs,
4979	void *pvUser)
4980	{
4981	PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
4982
4983	/* Pad with spaces to match the level. */
4984	for (uint32_t i = 0; i < iLvl; i++)
4985	DBGCCmdHlpPrintf(pCmdHlp, " ");
4986
4987	size_t cbWritten = 0;
4988	DBGCCmdHlpPrintfEx(pCmdHlp, &cbWritten, "+0x%04x %s", off, pszField);
4989	while (cbWritten < 32)
4990	{
4991	/* Fill with spaces to get proper aligning. */
4992	DBGCCmdHlpPrintf(pCmdHlp, " ");
4993	cbWritten++;
4994	}
4995
4996	DBGCCmdHlpPrintf(pCmdHlp, ": ");
4997	if (cValBufs > 1)
4998	DBGCCmdHlpPrintf(pCmdHlp, "[%u] [ ", cValBufs);
4999
5000	for (uint32_t i = 0; i < cValBufs; i++)
5001	{
5002	dbgcCmdDumpTypedValCallbackBuiltin(pCmdHlp, enmType, cbType, pValBuf);
5003	if (i < cValBufs - 1)
5004	DBGCCmdHlpPrintf(pCmdHlp, " , ");
5005	pValBuf++;
5006	}
5007
5008	if (cValBufs > 1)
5009	DBGCCmdHlpPrintf(pCmdHlp, " ]");
5010	DBGCCmdHlpPrintf(pCmdHlp, "\n");
5011
5012	return VINF_SUCCESS;
5013	}
5014
5015
5016	/**
5017	* @callback_method_impl{FNDBGCCMD, The 'dtv' command.}
5018	*/
5019	static DECLCALLBACK(int) dbgcCmdDumpTypedVal(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5020	{
5021	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
5022	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 2 \|\| cArgs == 3);
5023	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING);
5024	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISGCPOINTER(paArgs[1].enmType));
5025	if (cArgs == 3)
5026	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[2].enmType == DBGCVAR_TYPE_NUMBER);
5027
5028	/*
5029	* Make DBGF address and fix the range.
5030	*/
5031	DBGFADDRESS Address;
5032	int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[1], &Address);
5033	if (RT_FAILURE(rc))
5034	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[1]);
5035
5036	uint32_t cLvlMax = cArgs == 3 ? (uint32_t)paArgs[2].u.u64Number : UINT32_MAX;
5037	return DBGFR3TypeValDumpEx(pUVM, &Address, paArgs[0].u.pszString, 0 /* fFlags */, cLvlMax,
5038	dbgcCmdDumpTypedValCallback, pCmdHlp);
5039	}
5040
5041	/**
5042	* @callback_method_impl{FNDBGCCMD, The 'm' command.}
5043	*/
5044	static DECLCALLBACK(int) dbgcCmdMemoryInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5045	{
5046	DBGCCmdHlpPrintf(pCmdHlp, "Address: %DV\n", &paArgs[0]);
5047	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
5048	return dbgcCmdDumpPageHierarchy(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
5049	}
5050
5051
5052	/**
5053	* Converts one or more variables into a byte buffer for a
5054	* given unit size.
5055	*
5056	* @returns VBox status codes:
5057	* @retval VERR_TOO_MUCH_DATA if the buffer is too small, bitched.
5058	* @retval VERR_INTERNAL_ERROR on bad variable type, bitched.
5059	* @retval VINF_SUCCESS on success.
5060	*
5061	* @param pCmdHlp The command helper callback table.
5062	* @param pvBuf The buffer to convert into.
5063	* @param pcbBuf The buffer size on input. The size of the result on output.
5064	* @param cbUnit The unit size to apply when converting.
5065	* The high bit is used to indicate unicode string.
5066	* @param paVars The array of variables to convert.
5067	* @param cVars The number of variables.
5068	*/
5069	int dbgcVarsToBytes(PDBGCCMDHLP pCmdHlp, void pvBuf, uint32_t pcbBuf, size_t cbUnit, PCDBGCVAR paVars, unsigned cVars)
5070	{
5071	union
5072	{
5073	uint8_t *pu8;
5074	uint16_t *pu16;
5075	uint32_t *pu32;
5076	uint64_t *pu64;
5077	} u, uEnd;
5078	u.pu8 = (uint8_t *)pvBuf;
5079	uEnd.pu8 = u.pu8 + *pcbBuf;
5080
5081	unsigned i;
5082	for (i = 0; i < cVars && u.pu8 < uEnd.pu8; i++)
5083	{
5084	switch (paVars[i].enmType)
5085	{
5086	case DBGCVAR_TYPE_GC_FAR:
5087	case DBGCVAR_TYPE_GC_FLAT:
5088	case DBGCVAR_TYPE_GC_PHYS:
5089	case DBGCVAR_TYPE_HC_FLAT:
5090	case DBGCVAR_TYPE_HC_PHYS:
5091	case DBGCVAR_TYPE_NUMBER:
5092	{
5093	uint64_t u64 = paVars[i].u.u64Number;
5094	switch (cbUnit & 0x1f)
5095	{
5096	case 1:
5097	do
5098	{
5099	*u.pu8++ = u64;
5100	u64 >>= 8;
5101	} while (u64);
5102	break;
5103	case 2:
5104	do
5105	{
5106	*u.pu16++ = u64;
5107	u64 >>= 16;
5108	} while (u64);
5109	break;
5110	case 4:
5111	*u.pu32++ = u64;
5112	u64 >>= 32;
5113	if (u64)
5114	*u.pu32++ = u64;
5115	break;
5116	case 8:
5117	*u.pu64++ = u64;
5118	break;
5119	}
5120	break;
5121	}
5122
5123	case DBGCVAR_TYPE_STRING:
5124	case DBGCVAR_TYPE_SYMBOL:
5125	{
5126	const char *psz = paVars[i].u.pszString;
5127	size_t cbString = strlen(psz);
5128	if (cbUnit & RT_BIT_32(31))
5129	{
5130	/* Explode char to unit. */
5131	if (cbString > (uintptr_t)(uEnd.pu8 - u.pu8) * (cbUnit & 0x1f))
5132	{
5133	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
5134	return VERR_TOO_MUCH_DATA;
5135	}
5136	while (*psz)
5137	{
5138	switch (cbUnit & 0x1f)
5139	{
5140	case 1: u.pu8++ = psz; break;
5141	case 2: u.pu16++ = psz; break;
5142	case 4: u.pu32++ = psz; break;
5143	case 8: u.pu64++ = psz; break;
5144	}
5145	psz++;
5146	}
5147	}
5148	else
5149	{
5150	/* Raw copy with zero padding if the size isn't aligned. */
5151	if (cbString > (uintptr_t)(uEnd.pu8 - u.pu8))
5152	{
5153	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
5154	return VERR_TOO_MUCH_DATA;
5155	}
5156
5157	size_t cbCopy = cbString & ~(cbUnit - 1);
5158	memcpy(u.pu8, psz, cbCopy);
5159	u.pu8 += cbCopy;
5160	psz += cbCopy;
5161
5162	size_t cbReminder = cbString & (cbUnit - 1);
5163	if (cbReminder)
5164	{
5165	memcpy(u.pu8, psz, cbString & (cbUnit - 1));
5166	memset(u.pu8 + cbReminder, 0, cbUnit - cbReminder);
5167	u.pu8 += cbUnit;
5168	}
5169	}
5170	break;
5171	}
5172
5173	default:
5174	pcbBuf = u.pu8 - (uint8_t )pvBuf;
5175	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_INTERNAL_ERROR,
5176	"i=%d enmType=%d\n", i, paVars[i].enmType);
5177	return VERR_INTERNAL_ERROR;
5178	}
5179	}
5180	pcbBuf = u.pu8 - (uint8_t )pvBuf;
5181	if (i != cVars)
5182	{
5183	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
5184	return VERR_TOO_MUCH_DATA;
5185	}
5186	return VINF_SUCCESS;
5187	}
5188
5189
5190	/**
5191	* @callback_method_impl{FNDBGCCMD, The 'eb'\, 'ew'\, 'ed' and 'eq' commands.}
5192	*/
5193	static DECLCALLBACK(int) dbgcCmdEditMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5194	{
5195	/*
5196	* Validate input.
5197	*/
5198	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs >= 2);
5199	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
5200	for (unsigned iArg = 1; iArg < cArgs; iArg++)
5201	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER);
5202	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
5203
5204	/*
5205	* Figure out the element size.
5206	*/
5207	unsigned cbElement;
5208	switch (pCmd->pszCmd[1])
5209	{
5210	default:
5211	case 'b': cbElement = 1; break;
5212	case 'w': cbElement = 2; break;
5213	case 'd': cbElement = 4; break;
5214	case 'q': cbElement = 8; break;
5215	}
5216
5217	/*
5218	* Do setting.
5219	*/
5220	DBGCVAR Addr = paArgs[0];
5221	for (unsigned iArg = 1;;)
5222	{
5223	size_t cbWritten;
5224	int rc = pCmdHlp->pfnMemWrite(pCmdHlp, &paArgs[iArg].u, cbElement, &Addr, &cbWritten);
5225	if (RT_FAILURE(rc))
5226	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Writing memory at %DV.\n", &Addr);
5227	if (cbWritten != cbElement)
5228	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Only wrote %u out of %u bytes!\n", cbWritten, cbElement);
5229
5230	/* advance. */
5231	iArg++;
5232	if (iArg >= cArgs)
5233	break;
5234	rc = DBGCCmdHlpEval(pCmdHlp, &Addr, "%Dv + %#x", &Addr, cbElement);
5235	if (RT_FAILURE(rc))
5236	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
5237	}
5238
5239	return VINF_SUCCESS;
5240	}
5241
5242
5243	/**
5244	* Executes the search.
5245	*
5246	* @returns VBox status code.
5247	* @param pCmdHlp The command helpers.
5248	* @param pUVM The user mode VM handle.
5249	* @param pAddress The address to start searching from. (undefined on output)
5250	* @param cbRange The address range to search. Must not wrap.
5251	* @param pabBytes The byte pattern to search for.
5252	* @param cbBytes The size of the pattern.
5253	* @param cbUnit The search unit.
5254	* @param cMaxHits The max number of hits.
5255	* @param pResult Where to store the result if it's a function invocation.
5256	*/
5257	static int dbgcCmdWorkerSearchMemDoIt(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGFADDRESS pAddress, RTGCUINTPTR cbRange,
5258	const uint8_t *pabBytes, uint32_t cbBytes,
5259	uint32_t cbUnit, uint64_t cMaxHits, PDBGCVAR pResult)
5260	{
5261	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5262
5263	/*
5264	* Do the search.
5265	*/
5266	uint64_t cHits = 0;
5267	for (;;)
5268	{
5269	/* search */
5270	DBGFADDRESS HitAddress;
5271	int rc = DBGFR3MemScan(pUVM, pDbgc->idCpu, pAddress, cbRange, 1, pabBytes, cbBytes, &HitAddress);
5272	if (RT_FAILURE(rc))
5273	{
5274	if (rc != VERR_DBGF_MEM_NOT_FOUND)
5275	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3MemScan\n");
5276
5277	/* update the current address so we can save it (later). */
5278	pAddress->off += cbRange;
5279	pAddress->FlatPtr += cbRange;
5280	cbRange = 0;
5281	break;
5282	}
5283
5284	/* report result */
5285	DBGCVAR VarCur;
5286	rc = DBGCCmdHlpVarFromDbgfAddr(pCmdHlp, &HitAddress, &VarCur);
5287	if (RT_FAILURE(rc))
5288	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGCCmdHlpVarFromDbgfAddr\n");
5289	if (!pResult)
5290	pCmdHlp->pfnExec(pCmdHlp, "db %DV LB 10", &VarCur);
5291	else
5292	DBGCVAR_ASSIGN(pResult, &VarCur);
5293
5294	/* advance */
5295	cbRange -= HitAddress.FlatPtr - pAddress->FlatPtr;
5296	*pAddress = HitAddress;
5297	pAddress->FlatPtr += cbBytes;
5298	pAddress->off += cbBytes;
5299	if (cbRange <= cbBytes)
5300	{
5301	cbRange = 0;
5302	break;
5303	}
5304	cbRange -= cbBytes;
5305
5306	if (++cHits >= cMaxHits)
5307	{
5308	/// @todo save the search.
5309	break;
5310	}
5311	}
5312
5313	/*
5314	* Save the search so we can resume it...
5315	*/
5316	if (pDbgc->abSearch != pabBytes)
5317	{
5318	memcpy(pDbgc->abSearch, pabBytes, cbBytes);
5319	pDbgc->cbSearch = cbBytes;
5320	pDbgc->cbSearchUnit = cbUnit;
5321	}
5322	pDbgc->cMaxSearchHits = cMaxHits;
5323	pDbgc->SearchAddr = *pAddress;
5324	pDbgc->cbSearchRange = cbRange;
5325
5326	return cHits ? VINF_SUCCESS : VERR_DBGC_COMMAND_FAILED;
5327	}
5328
5329
5330	/**
5331	* Resumes the previous search.
5332	*
5333	* @returns VBox status code.
5334	* @param pCmdHlp Pointer to the command helper functions.
5335	* @param pUVM The user mode VM handle.
5336	* @param pResult Where to store the result of a function invocation.
5337	*/
5338	static int dbgcCmdWorkerSearchMemResume(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGCVAR pResult)
5339	{
5340	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5341
5342	/*
5343	* Make sure there is a previous command.
5344	*/
5345	if (!pDbgc->cbSearch)
5346	{
5347	DBGCCmdHlpPrintf(pCmdHlp, "Error: No previous search\n");
5348	return VERR_DBGC_COMMAND_FAILED;
5349	}
5350
5351	/*
5352	* Make range and address adjustments.
5353	*/
5354	DBGFADDRESS Address = pDbgc->SearchAddr;
5355	if (Address.FlatPtr == ~(RTGCUINTPTR)0)
5356	{
5357	Address.FlatPtr -= Address.off;
5358	Address.off = 0;
5359	}
5360
5361	RTGCUINTPTR cbRange = pDbgc->cbSearchRange;
5362	if (!cbRange)
5363	cbRange = ~(RTGCUINTPTR)0;
5364	if (Address.FlatPtr + cbRange < pDbgc->SearchAddr.FlatPtr)
5365	cbRange = ~(RTGCUINTPTR)0 - pDbgc->SearchAddr.FlatPtr + !!pDbgc->SearchAddr.FlatPtr;
5366
5367	return dbgcCmdWorkerSearchMemDoIt(pCmdHlp, pUVM, &Address, cbRange, pDbgc->abSearch, pDbgc->cbSearch,
5368	pDbgc->cbSearchUnit, pDbgc->cMaxSearchHits, pResult);
5369	}
5370
5371
5372	/**
5373	* Search memory, worker for the 's' and 's?' functions.
5374	*
5375	* @returns VBox status code.
5376	* @param pCmdHlp Pointer to the command helper functions.
5377	* @param pUVM The user mode VM handle.
5378	* @param pAddress Where to start searching. If no range, search till end of address space.
5379	* @param cMaxHits The maximum number of hits.
5380	* @param chType The search type.
5381	* @param paPatArgs The pattern variable array.
5382	* @param cPatArgs Number of pattern variables.
5383	* @param pResult Where to store the result of a function invocation.
5384	*/
5385	static int dbgcCmdWorkerSearchMem(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR pAddress, uint64_t cMaxHits, char chType,
5386	PCDBGCVAR paPatArgs, unsigned cPatArgs, PDBGCVAR pResult)
5387	{
5388	if (pResult)
5389	DBGCVAR_INIT_GC_FLAT(pResult, 0);
5390
5391	/*
5392	* Convert the search pattern into bytes and DBGFR3MemScan can deal with.
5393	*/
5394	uint32_t cbUnit;
5395	switch (chType)
5396	{
5397	case 'a':
5398	case 'b': cbUnit = 1; break;
5399	case 'u': cbUnit = 2 \| RT_BIT_32(31); break;
5400	case 'w': cbUnit = 2; break;
5401	case 'd': cbUnit = 4; break;
5402	case 'q': cbUnit = 8; break;
5403	default:
5404	return pCmdHlp->pfnVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "chType=%c\n", chType);
5405	}
5406	uint8_t abBytes[RT_SIZEOFMEMB(DBGC, abSearch)];
5407	uint32_t cbBytes = sizeof(abBytes);
5408	int rc = dbgcVarsToBytes(pCmdHlp, abBytes, &cbBytes, cbUnit, paPatArgs, cPatArgs);
5409	if (RT_FAILURE(rc))
5410	return VERR_DBGC_COMMAND_FAILED;
5411
5412	/*
5413	* Make DBGF address and fix the range.
5414	*/
5415	DBGFADDRESS Address;
5416	rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, pAddress, &Address);
5417	if (RT_FAILURE(rc))
5418	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", pAddress);
5419
5420	RTGCUINTPTR cbRange;
5421	switch (pAddress->enmRangeType)
5422	{
5423	case DBGCVAR_RANGE_BYTES:
5424	cbRange = pAddress->u64Range;
5425	if (cbRange != pAddress->u64Range)
5426	cbRange = ~(RTGCUINTPTR)0;
5427	break;
5428
5429	case DBGCVAR_RANGE_ELEMENTS:
5430	cbRange = (RTGCUINTPTR)(pAddress->u64Range * cbUnit);
5431	if ( cbRange != pAddress->u64Range * cbUnit
5432	\|\| cbRange < pAddress->u64Range)
5433	cbRange = ~(RTGCUINTPTR)0;
5434	break;
5435
5436	default:
5437	cbRange = ~(RTGCUINTPTR)0;
5438	break;
5439	}
5440	if (Address.FlatPtr + cbRange < Address.FlatPtr)
5441	cbRange = ~(RTGCUINTPTR)0 - Address.FlatPtr + !!Address.FlatPtr;
5442
5443	/*
5444	* Ok, do it.
5445	*/
5446	return dbgcCmdWorkerSearchMemDoIt(pCmdHlp, pUVM, &Address, cbRange, abBytes, cbBytes, cbUnit, cMaxHits, pResult);
5447	}
5448
5449
5450	/**
5451	* @callback_method_impl{FNDBGCCMD, The 's' command.}
5452	*/
5453	static DECLCALLBACK(int) dbgcCmdSearchMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5454	{
5455	RT_NOREF2(pCmd, paArgs);
5456
5457	/* check that the parser did what it's supposed to do. */
5458	//if ( cArgs <= 2
5459	// && paArgs[0].enmType != DBGCVAR_TYPE_STRING)
5460	// return DBGCCmdHlpPrintf(pCmdHlp, "parser error\n");
5461
5462	/*
5463	* Repeat previous search?
5464	*/
5465	if (cArgs == 0)
5466	return dbgcCmdWorkerSearchMemResume(pCmdHlp, pUVM, NULL);
5467
5468	/*
5469	* Parse arguments.
5470	*/
5471
5472	return -1;
5473	}
5474
5475
5476	/**
5477	* @callback_method_impl{FNDBGCCMD, The 's?' command.}
5478	*/
5479	static DECLCALLBACK(int) dbgcCmdSearchMemType(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5480	{
5481	/* check that the parser did what it's supposed to do. */
5482	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs >= 2 && DBGCVAR_ISGCPOINTER(paArgs[0].enmType));
5483	return dbgcCmdWorkerSearchMem(pCmdHlp, pUVM, &paArgs[0], 25, pCmd->pszCmd[1], paArgs + 1, cArgs - 1, NULL);
5484	}
5485
5486
5487	/**
5488	* Matching function for interrupts event names.
5489	*
5490	* This parses the interrupt number and length.
5491	*
5492	* @returns True if match, false if not.
5493	* @param pPattern The user specified pattern to match.
5494	* @param pszEvtName The event name.
5495	* @param pCmdHlp Command helpers for warning about malformed stuff.
5496	* @param piFirst Where to return start interrupt number on success.
5497	* @param pcInts Where to return the number of interrupts on success.
5498	*/
5499	static bool dbgcEventIsMatchingInt(PCDBGCVAR pPattern, const char *pszEvtName, PDBGCCMDHLP pCmdHlp,
5500	uint8_t piFirst, uint16_t pcInts)
5501	{
5502	/*
5503	* Ignore trailing hex digits when comparing with the event base name.
5504	*/
5505	const char *pszPattern = pPattern->u.pszString;
5506	const char *pszEnd = RTStrEnd(pszPattern, RTSTR_MAX);
5507	while ( (uintptr_t)pszEnd > (uintptr_t)pszPattern
5508	&& RT_C_IS_XDIGIT(pszEnd[-1]))
5509	pszEnd -= 1;
5510	if (RTStrSimplePatternNMatch(pszPattern, pszEnd - pszPattern, pszEvtName, RTSTR_MAX))
5511	{
5512	/*
5513	* Parse the index and length.
5514	*/
5515	if (!*pszEnd)
5516	*piFirst = 0;
5517	else
5518	{
5519	int rc = RTStrToUInt8Full(pszEnd, 16, piFirst);
5520	if (rc != VINF_SUCCESS)
5521	{
5522	if (RT_FAILURE(rc))
5523	*piFirst = 0;
5524	DBGCCmdHlpPrintf(pCmdHlp, "Warning: %Rrc parsing '%s' - interpreting it as %#x\n", rc, pszEnd, *piFirst);
5525	}
5526	}
5527
5528	if (pPattern->enmRangeType == DBGCVAR_RANGE_NONE)
5529	*pcInts = 1;
5530	else
5531	pcInts = RT_MAX(RT_MIN((uint16_t)pPattern->u64Range, 256 - piFirst), 1);
5532	return true;
5533	}
5534	return false;
5535	}
5536
5537
5538	/**
5539	* Updates a DBGC event config.
5540	*
5541	* @returns VINF_SUCCESS or VERR_NO_MEMORY.
5542	* @param ppEvtCfg The event configuration entry to update.
5543	* @param pszCmd The new command. Leave command alone if NULL.
5544	* @param enmEvtState The new event state.
5545	* @param fChangeCmdOnly Whether to only update the command.
5546	*/
5547	static int dbgcEventUpdate(PDBGCEVTCFG ppEvtCfg, const char pszCmd, DBGCEVTSTATE enmEvtState, bool fChangeCmdOnly)
5548	{
5549	PDBGCEVTCFG pEvtCfg = *ppEvtCfg;
5550
5551	/*
5552	* If we've got a command string, update the command too.
5553	*/
5554	if (pszCmd)
5555	{
5556	size_t cchCmd = strlen(pszCmd);
5557	if ( !cchCmd
5558	&& ( !fChangeCmdOnly
5559	? enmEvtState == kDbgcEvtState_Disabled
5560	: !pEvtCfg \|\| pEvtCfg->enmState == kDbgcEvtState_Disabled))
5561	{
5562	/* NULL entry is fine if no command and disabled. */
5563	RTMemFree(pEvtCfg);
5564	*ppEvtCfg = NULL;
5565	}
5566	else
5567	{
5568	if (!pEvtCfg \|\| pEvtCfg->cchCmd < cchCmd)
5569	{
5570	RTMemFree(pEvtCfg);
5571	*ppEvtCfg = pEvtCfg = (PDBGCEVTCFG)RTMemAlloc(RT_UOFFSETOF_DYN(DBGCEVTCFG, szCmd[cchCmd + 1]));
5572	if (!pEvtCfg)
5573	return VERR_NO_MEMORY;
5574	}
5575	pEvtCfg->enmState = enmEvtState;
5576	pEvtCfg->cchCmd = cchCmd;
5577	memcpy(pEvtCfg->szCmd, pszCmd, cchCmd + 1);
5578	}
5579	}
5580	/*
5581	* Update existing or enable new. If NULL and not enabled, we can keep it that way.
5582	*/
5583	else if (pEvtCfg \|\| enmEvtState != kDbgcEvtState_Disabled)
5584	{
5585	if (!pEvtCfg)
5586	{
5587	*ppEvtCfg = pEvtCfg = (PDBGCEVTCFG)RTMemAlloc(sizeof(DBGCEVTCFG));
5588	if (!pEvtCfg)
5589	return VERR_NO_MEMORY;
5590	pEvtCfg->cchCmd = 0;
5591	pEvtCfg->szCmd[0] = '\0';
5592	}
5593	pEvtCfg->enmState = enmEvtState;
5594	}
5595
5596	return VINF_SUCCESS;
5597	}
5598
5599
5600	/**
5601	* Record one settings change for a plain event.
5602	*
5603	* @returns The new @a cIntCfgs value.
5604	* @param paEventCfgs The event setttings array. Must have DBGFEVENT_END
5605	* entries.
5606	* @param cEventCfgs The current number of entries in @a paEventCfgs.
5607	* @param enmType The event to change the settings for.
5608	* @param enmEvtState The new event state.
5609	* @param iSxEvt Index into the g_aDbgcSxEvents array.
5610	*
5611	* @remarks We use abUnused[0] for the enmEvtState, while abUnused[1] and
5612	* abUnused[2] are used for iSxEvt.
5613	*/
5614	static uint32_t dbgcEventAddPlainConfig(PDBGFEVENTCONFIG paEventCfgs, uint32_t cEventCfgs, DBGFEVENTTYPE enmType,
5615	DBGCEVTSTATE enmEvtState, uint16_t iSxEvt)
5616	{
5617	uint32_t iCfg;
5618	for (iCfg = 0; iCfg < cEventCfgs; iCfg++)
5619	if (paEventCfgs[iCfg].enmType == enmType)
5620	break;
5621	if (iCfg == cEventCfgs)
5622	{
5623	Assert(cEventCfgs < DBGFEVENT_END);
5624	paEventCfgs[iCfg].enmType = enmType;
5625	cEventCfgs++;
5626	}
5627	paEventCfgs[iCfg].fEnabled = enmEvtState > kDbgcEvtState_Disabled;
5628	paEventCfgs[iCfg].abUnused[0] = enmEvtState;
5629	paEventCfgs[iCfg].abUnused[1] = (uint8_t)iSxEvt;
5630	paEventCfgs[iCfg].abUnused[2] = (uint8_t)(iSxEvt >> 8);
5631	return cEventCfgs;
5632	}
5633
5634
5635	/**
5636	* Record one or more interrupt event config changes.
5637	*
5638	* @returns The new @a cIntCfgs value.
5639	* @param paIntCfgs Interrupt confiruation array. Must have 256 entries.
5640	* @param cIntCfgs The current number of entries in @a paIntCfgs.
5641	* @param iInt The interrupt number to start with.
5642	* @param cInts The number of interrupts to change.
5643	* @param pszName The settings name (hwint/swint).
5644	* @param enmEvtState The new event state.
5645	* @param bIntOp The new DBGF interrupt state.
5646	*/
5647	static uint32_t dbgcEventAddIntConfig(PDBGFINTERRUPTCONFIG paIntCfgs, uint32_t cIntCfgs, uint8_t iInt, uint16_t cInts,
5648	const char *pszName, DBGCEVTSTATE enmEvtState, uint8_t bIntOp)
5649	{
5650	bool const fHwInt = *pszName == 'h';
5651
5652	bIntOp \|= (uint8_t)enmEvtState << 4;
5653	uint8_t const bSoftState = !fHwInt ? bIntOp : DBGFINTERRUPTSTATE_DONT_TOUCH;
5654	uint8_t const bHardState = fHwInt ? bIntOp : DBGFINTERRUPTSTATE_DONT_TOUCH;
5655
5656	while (cInts > 0)
5657	{
5658	uint32_t iCfg;
5659	for (iCfg = 0; iCfg < cIntCfgs; iCfg++)
5660	if (paIntCfgs[iCfg].iInterrupt == iInt)
5661	break;
5662	if (iCfg == cIntCfgs)
5663	break;
5664	if (fHwInt)
5665	paIntCfgs[iCfg].enmHardState = bHardState;
5666	else
5667	paIntCfgs[iCfg].enmSoftState = bSoftState;
5668	iInt++;
5669	cInts--;
5670	}
5671
5672	while (cInts > 0)
5673	{
5674	Assert(cIntCfgs < 256);
5675	paIntCfgs[cIntCfgs].iInterrupt = iInt;
5676	paIntCfgs[cIntCfgs].enmHardState = bHardState;
5677	paIntCfgs[cIntCfgs].enmSoftState = bSoftState;
5678	cIntCfgs++;
5679	iInt++;
5680	cInts--;
5681	}
5682
5683	return cIntCfgs;
5684	}
5685
5686
5687	/**
5688	* Applies event settings changes to DBGC and DBGF.
5689	*
5690	* @returns VBox status code (fully bitched)
5691	* @param pCmdHlp The command helpers.
5692	* @param pUVM The user mode VM handle.
5693	* @param paIntCfgs Interrupt configuration array. We use the upper 4
5694	* bits of the settings for the DBGCEVTSTATE. This
5695	* will be cleared.
5696	* @param cIntCfgs Number of interrupt configuration changes.
5697	* @param paEventCfgs The generic event configuration array. We use the
5698	* abUnused[0] member for the DBGCEVTSTATE, and
5699	* abUnused[2:1] for the g_aDbgcSxEvents index.
5700	* @param cEventCfgs The number of generic event settings changes.
5701	* @param pszCmd The commands to associate with the changed events.
5702	* If this is NULL, don't touch the command.
5703	* @param fChangeCmdOnly Whether to only change the commands (sx-).
5704	*/
5705	static int dbgcEventApplyChanges(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGFINTERRUPTCONFIG paIntCfgs, uint32_t cIntCfgs,
5706	PCDBGFEVENTCONFIG paEventCfgs, uint32_t cEventCfgs, const char *pszCmd, bool fChangeCmdOnly)
5707	{
5708	int rc;
5709
5710	/*
5711	* Apply changes to DBGC. This can only fail with out of memory error.
5712	*/
5713	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5714	if (cIntCfgs)
5715	for (uint32_t iCfg = 0; iCfg < cIntCfgs; iCfg++)
5716	{
5717	DBGCEVTSTATE enmEvtState = (DBGCEVTSTATE)(paIntCfgs[iCfg].enmHardState >> 4);
5718	paIntCfgs[iCfg].enmHardState &= 0xf;
5719	if (paIntCfgs[iCfg].enmHardState != DBGFINTERRUPTSTATE_DONT_TOUCH)
5720	{
5721	rc = dbgcEventUpdate(&pDbgc->apHardInts[paIntCfgs[iCfg].iInterrupt], pszCmd, enmEvtState, fChangeCmdOnly);
5722	if (RT_FAILURE(rc))
5723	return rc;
5724	}
5725
5726	enmEvtState = (DBGCEVTSTATE)(paIntCfgs[iCfg].enmSoftState >> 4);
5727	paIntCfgs[iCfg].enmSoftState &= 0xf;
5728	if (paIntCfgs[iCfg].enmSoftState != DBGFINTERRUPTSTATE_DONT_TOUCH)
5729	{
5730	rc = dbgcEventUpdate(&pDbgc->apSoftInts[paIntCfgs[iCfg].iInterrupt], pszCmd, enmEvtState, fChangeCmdOnly);
5731	if (RT_FAILURE(rc))
5732	return rc;
5733	}
5734	}
5735
5736	if (cEventCfgs)
5737	{
5738	for (uint32_t iCfg = 0; iCfg < cEventCfgs; iCfg++)
5739	{
5740	Assert((unsigned)paEventCfgs[iCfg].enmType < RT_ELEMENTS(pDbgc->apEventCfgs));
5741	uint16_t iSxEvt = RT_MAKE_U16(paEventCfgs[iCfg].abUnused[1], paEventCfgs[iCfg].abUnused[2]);
5742	Assert(iSxEvt < RT_ELEMENTS(g_aDbgcSxEvents));
5743	rc = dbgcEventUpdate(&pDbgc->apEventCfgs[iSxEvt], pszCmd, (DBGCEVTSTATE)paEventCfgs[iCfg].abUnused[0], fChangeCmdOnly);
5744	if (RT_FAILURE(rc))
5745	return rc;
5746	}
5747	}
5748
5749	/*
5750	* Apply changes to DBGF.
5751	*/
5752	if (!fChangeCmdOnly)
5753	{
5754	if (cIntCfgs)
5755	{
5756	rc = DBGFR3InterruptConfigEx(pUVM, paIntCfgs, cIntCfgs);
5757	if (RT_FAILURE(rc))
5758	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3InterruptConfigEx: %Rrc\n", rc);
5759	}
5760	if (cEventCfgs)
5761	{
5762	rc = DBGFR3EventConfigEx(pUVM, paEventCfgs, cEventCfgs);
5763	if (RT_FAILURE(rc))
5764	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3EventConfigEx: %Rrc\n", rc);
5765	}
5766	}
5767
5768	return VINF_SUCCESS;
5769	}
5770
5771
5772	/**
5773	* @callback_method_impl{FNDBGCCMD, The 'sx[eni-]' commands.}
5774	*/
5775	static DECLCALLBACK(int) dbgcCmdEventCtrl(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5776	{
5777	/*
5778	* Figure out which command this is.
5779	*/
5780	uint8_t bIntOp;
5781	DBGCEVTSTATE enmEvtState;
5782	bool fChangeCmdOnly;
5783	switch (pCmd->pszCmd[2])
5784	{
5785	case 'e': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Enabled; fChangeCmdOnly = false; break;
5786	case 'n': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Notify; fChangeCmdOnly = false; break;
5787	case '-': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Invalid; fChangeCmdOnly = true; break;
5788	case 'i': bIntOp = DBGFINTERRUPTSTATE_DISABLED; enmEvtState = kDbgcEvtState_Disabled; fChangeCmdOnly = false; break;
5789	default:
5790	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "pszCmd=%s\n", pCmd->pszCmd);
5791	}
5792
5793	/*
5794	* Command option.
5795	*/
5796	unsigned iArg = 0;
5797	const char *pszCmd = NULL;
5798	if ( cArgs >= iArg + 2
5799	&& paArgs[iArg].enmType == DBGCVAR_TYPE_STRING
5800	&& paArgs[iArg + 1].enmType == DBGCVAR_TYPE_STRING
5801	&& strcmp(paArgs[iArg].u.pszString, "-c") == 0)
5802	{
5803	pszCmd = paArgs[iArg + 1].u.pszString;
5804	iArg += 2;
5805	}
5806	if (fChangeCmdOnly && !pszCmd)
5807	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "The 'sx-' requires the '-c cmd' arguments.\n");
5808
5809	/*
5810	* The remaining arguments are event specifiers to which the operation should be applied.
5811	*/
5812	uint32_t cIntCfgs = 0;
5813	DBGFINTERRUPTCONFIG aIntCfgs[256];
5814	uint32_t cEventCfgs = 0;
5815	DBGFEVENTCONFIG aEventCfgs[DBGFEVENT_END];
5816
5817	for (; iArg < cArgs; iArg++)
5818	{
5819	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, iArg, paArgs[iArg].enmType == DBGCVAR_TYPE_STRING
5820	\|\| paArgs[iArg].enmType == DBGCVAR_TYPE_SYMBOL);
5821	uint32_t cHits = 0;
5822	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5823	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5824	{
5825	if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
5826	\|\| ( g_aDbgcSxEvents[iEvt].pszAltNm
5827	&& RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
5828	{
5829	cEventCfgs = dbgcEventAddPlainConfig(aEventCfgs, cEventCfgs, g_aDbgcSxEvents[iEvt].enmType,
5830	enmEvtState, iEvt);
5831	cHits++;
5832	}
5833	}
5834	else
5835	{
5836	Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
5837	uint8_t iInt;
5838	uint16_t cInts;
5839	if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
5840	{
5841	cIntCfgs = dbgcEventAddIntConfig(aIntCfgs, cIntCfgs, iInt, cInts, g_aDbgcSxEvents[iEvt].pszName,
5842	enmEvtState, bIntOp);
5843	cHits++;
5844	}
5845	}
5846	if (!cHits)
5847	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
5848	}
5849
5850	/*
5851	* Apply the changes.
5852	*/
5853	return dbgcEventApplyChanges(pCmdHlp, pUVM, aIntCfgs, cIntCfgs, aEventCfgs, cEventCfgs, pszCmd, fChangeCmdOnly);
5854	}
5855
5856
5857	/**
5858	* @callback_method_impl{FNDBGCCMD, The 'sxr' commands.}
5859	*/
5860	static DECLCALLBACK(int) dbgcCmdEventCtrlReset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5861	{
5862	RT_NOREF1(pCmd);
5863	uint32_t cEventCfgs = 0;
5864	DBGFEVENTCONFIG aEventCfgs[DBGFEVENT_END];
5865	uint32_t cIntCfgs = 0;
5866	DBGFINTERRUPTCONFIG aIntCfgs[256];
5867
5868	if (cArgs == 0)
5869	{
5870	/*
5871	* All events.
5872	*/
5873	for (uint32_t iInt = 0; iInt < 256; iInt++)
5874	{
5875	aIntCfgs[iInt].iInterrupt = iInt;
5876	aIntCfgs[iInt].enmHardState = DBGFINTERRUPTSTATE_DONT_TOUCH;
5877	aIntCfgs[iInt].enmSoftState = DBGFINTERRUPTSTATE_DONT_TOUCH;
5878	}
5879	cIntCfgs = 256;
5880
5881	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5882	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5883	{
5884	aEventCfgs[cEventCfgs].enmType = g_aDbgcSxEvents[iEvt].enmType;
5885	aEventCfgs[cEventCfgs].fEnabled = g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled;
5886	aEventCfgs[cEventCfgs].abUnused[0] = g_aDbgcSxEvents[iEvt].enmDefault;
5887	aEventCfgs[cEventCfgs].abUnused[1] = (uint8_t)iEvt;
5888	aEventCfgs[cEventCfgs].abUnused[2] = (uint8_t)(iEvt >> 8);
5889	cEventCfgs++;
5890	}
5891	else
5892	{
5893	uint8_t const bState = ( g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled
5894	? DBGFINTERRUPTSTATE_ENABLED : DBGFINTERRUPTSTATE_DISABLED)
5895	\| ((uint8_t)g_aDbgcSxEvents[iEvt].enmDefault << 4);
5896	if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
5897	for (uint32_t iInt = 0; iInt < 256; iInt++)
5898	aIntCfgs[iInt].enmHardState = bState;
5899	else
5900	for (uint32_t iInt = 0; iInt < 256; iInt++)
5901	aIntCfgs[iInt].enmSoftState = bState;
5902	}
5903	}
5904	else
5905	{
5906	/*
5907	* Selected events.
5908	*/
5909	for (uint32_t iArg = 0; iArg < cArgs; iArg++)
5910	{
5911	unsigned cHits = 0;
5912	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5913	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5914	{
5915	if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
5916	\|\| ( g_aDbgcSxEvents[iEvt].pszAltNm
5917	&& RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
5918	{
5919	cEventCfgs = dbgcEventAddPlainConfig(aEventCfgs, cEventCfgs, g_aDbgcSxEvents[iEvt].enmType,
5920	g_aDbgcSxEvents[iEvt].enmDefault, iEvt);
5921	cHits++;
5922	}
5923	}
5924	else
5925	{
5926	Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
5927	uint8_t iInt;
5928	uint16_t cInts;
5929	if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
5930	{
5931	cIntCfgs = dbgcEventAddIntConfig(aIntCfgs, cIntCfgs, iInt, cInts, g_aDbgcSxEvents[iEvt].pszName,
5932	g_aDbgcSxEvents[iEvt].enmDefault,
5933	g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled
5934	? DBGFINTERRUPTSTATE_ENABLED : DBGFINTERRUPTSTATE_DISABLED);
5935	cHits++;
5936	}
5937	}
5938	if (!cHits)
5939	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
5940	}
5941	}
5942
5943	/*
5944	* Apply the reset changes.
5945	*/
5946	return dbgcEventApplyChanges(pCmdHlp, pUVM, aIntCfgs, cIntCfgs, aEventCfgs, cEventCfgs, "", false);
5947	}
5948
5949
5950	/**
5951	* Used during DBGC initialization to configure events with defaults.
5952	*
5953	* @param pDbgc The DBGC instance.
5954	*/
5955	void dbgcEventInit(PDBGC pDbgc)
5956	{
5957	if (pDbgc->pUVM)
5958	dbgcCmdEventCtrlReset(NULL, &pDbgc->CmdHlp, pDbgc->pUVM, NULL, 0);
5959	}
5960
5961
5962	/**
5963	* Used during DBGC termination to disable all events.
5964	*
5965	* @param pDbgc The DBGC instance.
5966	*/
5967	void dbgcEventTerm(PDBGC pDbgc)
5968	{
5969	/** @todo need to do more than just reset later. */
5970	if (pDbgc->pUVM && VMR3GetStateU(pDbgc->pUVM) < VMSTATE_DESTROYING)
5971	dbgcCmdEventCtrlReset(NULL, &pDbgc->CmdHlp, pDbgc->pUVM, NULL, 0);
5972	}
5973
5974
5975	static void dbgcEventDisplay(PDBGCCMDHLP pCmdHlp, const char pszName, DBGCEVTSTATE enmDefault, PDBGCEVTCFG const ppEvtCfg)
5976	{
5977	RT_NOREF1(enmDefault);
5978	PDBGCEVTCFG pEvtCfg = *ppEvtCfg;
5979
5980	const char *pszState;
5981	switch (pEvtCfg ? pEvtCfg->enmState : kDbgcEvtState_Disabled)
5982	{
5983	case kDbgcEvtState_Disabled: pszState = "ignore"; break;
5984	case kDbgcEvtState_Enabled: pszState = "enabled"; break;
5985	case kDbgcEvtState_Notify: pszState = "notify"; break;
5986	default:
5987	AssertFailed();
5988	pszState = "invalid";
5989	break;
5990	}
5991
5992	if (pEvtCfg && pEvtCfg->cchCmd > 0)
5993	DBGCCmdHlpPrintf(pCmdHlp, "%-22s %-7s \"%s\"\n", pszName, pszState, pEvtCfg->szCmd);
5994	else
5995	DBGCCmdHlpPrintf(pCmdHlp, "%-22s %s\n", pszName, pszState);
5996	}
5997
5998
5999	static void dbgcEventDisplayRange(PDBGCCMDHLP pCmdHlp, const char *pszBaseNm, DBGCEVTSTATE enmDefault,
6000	PDBGCEVTCFG const *papEvtCfgs, unsigned iCfg, unsigned cCfgs)
6001	{
6002	do
6003	{
6004	PCDBGCEVTCFG pFirstCfg = papEvtCfgs[iCfg];
6005	if (pFirstCfg && pFirstCfg->enmState == kDbgcEvtState_Disabled && pFirstCfg->cchCmd == 0)
6006	pFirstCfg = NULL;
6007
6008	unsigned const iFirstCfg = iCfg;
6009	iCfg++;
6010	while (iCfg < cCfgs)
6011	{
6012	PCDBGCEVTCFG pCurCfg = papEvtCfgs[iCfg];
6013	if (pCurCfg && pCurCfg->enmState == kDbgcEvtState_Disabled && pCurCfg->cchCmd == 0)
6014	pCurCfg = NULL;
6015	if (pCurCfg != pFirstCfg)
6016	{
6017	if (!pCurCfg \|\| !pFirstCfg)
6018	break;
6019	if (pCurCfg->enmState != pFirstCfg->enmState)
6020	break;
6021	if (pCurCfg->cchCmd != pFirstCfg->cchCmd)
6022	break;
6023	if (memcmp(pCurCfg->szCmd, pFirstCfg->szCmd, pFirstCfg->cchCmd) != 0)
6024	break;
6025	}
6026	iCfg++;
6027	}
6028
6029	char szName[16];
6030	unsigned cEntries = iCfg - iFirstCfg;
6031	if (cEntries == 1)
6032	RTStrPrintf(szName, sizeof(szName), "%s%02x", pszBaseNm, iFirstCfg);
6033	else
6034	RTStrPrintf(szName, sizeof(szName), "%s%02x L %#x", pszBaseNm, iFirstCfg, cEntries);
6035	dbgcEventDisplay(pCmdHlp, szName, enmDefault, &papEvtCfgs[iFirstCfg]);
6036
6037	cCfgs -= cEntries;
6038	} while (cCfgs > 0);
6039	}
6040
6041
6042	/**
6043	* @callback_method_impl{FNDBGCCMD, The 'sx' commands.}
6044	*/
6045	static DECLCALLBACK(int) dbgcCmdEventCtrlList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6046	{
6047	RT_NOREF2(pCmd, pUVM);
6048	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6049
6050	if (cArgs == 0)
6051	{
6052	/*
6053	* All events.
6054	*/
6055	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
6056	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
6057	dbgcEventDisplay(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
6058	&pDbgc->apEventCfgs[iEvt]);
6059	else if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
6060	dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
6061	pDbgc->apHardInts, 0, 256);
6062	else
6063	dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
6064	pDbgc->apSoftInts, 0, 256);
6065	}
6066	else
6067	{
6068	/*
6069	* Selected events.
6070	*/
6071	for (uint32_t iArg = 0; iArg < cArgs; iArg++)
6072	{
6073	unsigned cHits = 0;
6074	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
6075	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
6076	{
6077	if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
6078	\|\| ( g_aDbgcSxEvents[iEvt].pszAltNm
6079	&& RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
6080	{
6081	dbgcEventDisplay(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
6082	&pDbgc->apEventCfgs[iEvt]);
6083	cHits++;
6084	}
6085	}
6086	else
6087	{
6088	Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
6089	uint8_t iInt;
6090	uint16_t cInts;
6091	if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
6092	{
6093	if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
6094	dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
6095	pDbgc->apHardInts, iInt, cInts);
6096	else
6097	dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
6098	pDbgc->apSoftInts, iInt, cInts);
6099	cHits++;
6100	}
6101	}
6102	if (cHits == 0)
6103	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
6104	}
6105	}
6106
6107	return VINF_SUCCESS;
6108	}
6109
6110
6111
6112	/**
6113	* List near symbol.
6114	*
6115	* @returns VBox status code.
6116	* @param pCmdHlp Pointer to command helper functions.
6117	* @param pUVM The user mode VM handle.
6118	* @param pArg Pointer to the address or symbol to lookup.
6119	*/
6120	static int dbgcDoListNear(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR pArg)
6121	{
6122	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6123
6124	RTDBGSYMBOL Symbol;
6125	int rc;
6126	if (pArg->enmType == DBGCVAR_TYPE_SYMBOL)
6127	{
6128	/*
6129	* Lookup the symbol address.
6130	*/
6131	rc = DBGFR3AsSymbolByName(pUVM, pDbgc->hDbgAs, pArg->u.pszString, &Symbol, NULL);
6132	if (RT_FAILURE(rc))
6133	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3AsSymbolByName(,,%s,)\n", pArg->u.pszString);
6134
6135	rc = DBGCCmdHlpPrintf(pCmdHlp, "%RTptr %s\n", Symbol.Value, Symbol.szName);
6136	}
6137	else
6138	{
6139	/*
6140	* Convert it to a flat GC address and lookup that address.
6141	*/
6142	DBGCVAR AddrVar;
6143	rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, "%%(%DV)", pArg);
6144	if (RT_FAILURE(rc))
6145	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "%%(%DV)\n", pArg);
6146
6147	RTINTPTR offDisp;
6148	DBGFADDRESS Addr;
6149	rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, AddrVar.u.GCFlat),
6150	RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL \| RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
6151	&offDisp, &Symbol, NULL);
6152	if (RT_FAILURE(rc))
6153	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3AsSymbolByAddr(,,%RGv,,)\n", AddrVar.u.GCFlat);
6154
6155	if (!offDisp)
6156	rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s", &AddrVar, Symbol.szName);
6157	else if (offDisp > 0)
6158	rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s + %RGv", &AddrVar, Symbol.szName, offDisp);
6159	else
6160	rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s - %RGv", &AddrVar, Symbol.szName, -offDisp);
6161	if (Symbol.cb > 0)
6162	rc = DBGCCmdHlpPrintf(pCmdHlp, " (LB %RGv)\n", Symbol.cb);
6163	else
6164	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
6165	}
6166
6167	return rc;
6168	}
6169
6170
6171	/**
6172	* @callback_method_impl{FNDBGCCMD, The 'ln' (listnear) command.}
6173	*/
6174	static DECLCALLBACK(int) dbgcCmdListNear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6175	{
6176	if (!cArgs)
6177	{
6178	/*
6179	* Current cs:eip symbol.
6180	*/
6181	DBGCVAR AddrVar;
6182	const char *pszFmtExpr = "%%(cs:eip)";
6183	int rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, pszFmtExpr);
6184	if (RT_FAILURE(rc))
6185	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "%s\n", pszFmtExpr + 1);
6186	return dbgcDoListNear(pCmdHlp, pUVM, &AddrVar);
6187	}
6188
6189	/** @todo Fix the darn parser, it's resolving symbols specified as arguments before we get in here. */
6190	/*
6191	* Iterate arguments.
6192	*/
6193	for (unsigned iArg = 0; iArg < cArgs; iArg++)
6194	{
6195	int rc = dbgcDoListNear(pCmdHlp, pUVM, &paArgs[iArg]);
6196	if (RT_FAILURE(rc))
6197	return rc;
6198	}
6199
6200	NOREF(pCmd);
6201	return VINF_SUCCESS;
6202	}
6203
6204
6205	/**
6206	* Matches the module patters against a module name.
6207	*
6208	* @returns true if matching, otherwise false.
6209	* @param pszName The module name.
6210	* @param paArgs The module pattern argument list.
6211	* @param cArgs Number of arguments.
6212	*/
6213	static bool dbgcCmdListModuleMatch(const char *pszName, PCDBGCVAR paArgs, unsigned cArgs)
6214	{
6215	for (uint32_t i = 0; i < cArgs; i++)
6216	if (RTStrSimplePatternMatch(paArgs[i].u.pszString, pszName))
6217	return true;
6218	return false;
6219	}
6220
6221
6222	/**
6223	* @callback_method_impl{FNDBGCCMD, The 'ln' (list near) command.}
6224	*/
6225	static DECLCALLBACK(int) dbgcCmdListModules(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6226	{
6227	bool const fMappings = pCmd->pszCmd[2] == 'o';
6228	bool const fVerbose = pCmd->pszCmd[strlen(pCmd->pszCmd) - 1] == 'v';
6229	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6230
6231	/*
6232	* Iterate the modules in the current address space and print info about
6233	* those matching the input.
6234	*/
6235	RTDBGAS hAsCurAlias = pDbgc->hDbgAs;
6236	for (uint32_t iAs = 0;; iAs++)
6237	{
6238	RTDBGAS hAs = DBGFR3AsResolveAndRetain(pUVM, hAsCurAlias);
6239	uint32_t cMods = RTDbgAsModuleCount(hAs);
6240	for (uint32_t iMod = 0; iMod < cMods; iMod++)
6241	{
6242	RTDBGMOD hMod = RTDbgAsModuleByIndex(hAs, iMod);
6243	if (hMod != NIL_RTDBGMOD)
6244	{
6245	bool const fDeferred = RTDbgModIsDeferred(hMod);
6246	bool const fExports = RTDbgModIsExports(hMod);
6247	uint32_t const cSegs = fDeferred ? 1 : RTDbgModSegmentCount(hMod);
6248	const char * const pszName = RTDbgModName(hMod);
6249	const char * const pszImgFile = RTDbgModImageFile(hMod);
6250	const char * const pszImgFileUsed = RTDbgModImageFileUsed(hMod);
6251	const char * const pszDbgFile = RTDbgModDebugFile(hMod);
6252	if ( cArgs == 0
6253	\|\| dbgcCmdListModuleMatch(pszName, paArgs, cArgs))
6254	{
6255	/*
6256	* Find the mapping with the lower address, preferring a full
6257	* image mapping, for the main line.
6258	*/
6259	RTDBGASMAPINFO aMappings[128];
6260	uint32_t cMappings = RT_ELEMENTS(aMappings);
6261	int rc = RTDbgAsModuleQueryMapByIndex(hAs, iMod, &aMappings[0], &cMappings, 0 /fFlags/);
6262	if (RT_SUCCESS(rc))
6263	{
6264	bool fFull = false;
6265	RTUINTPTR uMin = RTUINTPTR_MAX;
6266	for (uint32_t iMap = 0; iMap < cMappings; iMap++)
6267	if ( aMappings[iMap].Address < uMin
6268	&& ( !fFull
6269	\|\| aMappings[iMap].iSeg == NIL_RTDBGSEGIDX))
6270	uMin = aMappings[iMap].Address;
6271	if (!fVerbose \|\| !pszImgFile)
6272	DBGCCmdHlpPrintf(pCmdHlp, "%RGv %04x %s%s\n", (RTGCUINTPTR)uMin, cSegs, pszName,
6273	fExports ? " (exports)" : fDeferred ? " (deferred)" : "");
6274	else
6275	DBGCCmdHlpPrintf(pCmdHlp, "%RGv %04x %-12s %s%s\n", (RTGCUINTPTR)uMin, cSegs, pszName, pszImgFile,
6276	fExports ? " (exports)" : fDeferred ? " (deferred)" : "");
6277	if (fVerbose && pszImgFileUsed)
6278	DBGCCmdHlpPrintf(pCmdHlp, " Local image: %s\n", pszImgFileUsed);
6279	if (fVerbose && pszDbgFile)
6280	DBGCCmdHlpPrintf(pCmdHlp, " Debug file: %s\n", pszDbgFile);
6281	if (fVerbose)
6282	{
6283	char szTmp[64];
6284	RTTIMESPEC TimeSpec;
6285	int64_t secTs = 0;
6286	if (RT_SUCCESS(RTDbgModImageQueryProp(hMod, RTLDRPROP_TIMESTAMP_SECONDS, &secTs, sizeof(secTs), NULL)))
6287	DBGCCmdHlpPrintf(pCmdHlp, " Timestamp: %08RX64 %s\n", secTs,
6288	RTTimeSpecToString(RTTimeSpecSetSeconds(&TimeSpec, secTs), szTmp, sizeof(szTmp)));
6289	RTUUID Uuid;
6290	if (RT_SUCCESS(RTDbgModImageQueryProp(hMod, RTLDRPROP_UUID, &Uuid, sizeof(Uuid), NULL)))
6291	DBGCCmdHlpPrintf(pCmdHlp, " UUID: %RTuuid\n", &Uuid);
6292	}
6293
6294	if (fMappings)
6295	{
6296	/* sort by address first - not very efficient. */
6297	for (uint32_t i = 0; i + 1 < cMappings; i++)
6298	for (uint32_t j = i + 1; j < cMappings; j++)
6299	if (aMappings[j].Address < aMappings[i].Address)
6300	{
6301	RTDBGASMAPINFO Tmp = aMappings[j];
6302	aMappings[j] = aMappings[i];
6303	aMappings[i] = Tmp;
6304	}
6305
6306	/* print */
6307	if ( cMappings == 1
6308	&& aMappings[0].iSeg == NIL_RTDBGSEGIDX
6309	&& !fDeferred)
6310	{
6311	for (uint32_t iSeg = 0; iSeg < cSegs; iSeg++)
6312	{
6313	RTDBGSEGMENT SegInfo;
6314	rc = RTDbgModSegmentByIndex(hMod, iSeg, &SegInfo);
6315	if (RT_SUCCESS(rc))
6316	{
6317	if (SegInfo.uRva != RTUINTPTR_MAX)
6318	DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv #%02x %s\n",
6319	(RTGCUINTPTR)(aMappings[0].Address + SegInfo.uRva),
6320	(RTGCUINTPTR)SegInfo.cb, iSeg, SegInfo.szName);
6321	else
6322	DBGCCmdHlpPrintf(pCmdHlp, " %*s %RGv #%02x %s\n",
6323	sizeof(RTGCUINTPTR)*2, "noload",
6324	(RTGCUINTPTR)SegInfo.cb, iSeg, SegInfo.szName);
6325	}
6326	else
6327	DBGCCmdHlpPrintf(pCmdHlp, " Error query segment #%u: %Rrc\n", iSeg, rc);
6328	}
6329	}
6330	else
6331	{
6332	for (uint32_t iMap = 0; iMap < cMappings; iMap++)
6333	if (aMappings[iMap].iSeg == NIL_RTDBGSEGIDX)
6334	DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv <everything>\n",
6335	(RTGCUINTPTR)aMappings[iMap].Address,
6336	(RTGCUINTPTR)RTDbgModImageSize(hMod));
6337	else if (!fDeferred)
6338	{
6339	RTDBGSEGMENT SegInfo;
6340	rc = RTDbgModSegmentByIndex(hMod, aMappings[iMap].iSeg, &SegInfo);
6341	if (RT_FAILURE(rc))
6342	{
6343	RT_ZERO(SegInfo);
6344	strcpy(SegInfo.szName, "error");
6345	}
6346	DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv #%02x %s\n",
6347	(RTGCUINTPTR)aMappings[iMap].Address,
6348	(RTGCUINTPTR)SegInfo.cb,
6349	aMappings[iMap].iSeg, SegInfo.szName);
6350	}
6351	else
6352	DBGCCmdHlpPrintf(pCmdHlp, " %RGv #%02x\n",
6353	(RTGCUINTPTR)aMappings[iMap].Address, aMappings[iMap].iSeg);
6354	}
6355	}
6356	}
6357	else
6358	DBGCCmdHlpPrintf(pCmdHlp, "%.*s %04x %s (rc=%Rrc)\n",
6359	sizeof(RTGCPTR) * 2, "???????????", cSegs, pszName, rc);
6360	/** @todo missing address space API for enumerating the mappings. */
6361	}
6362	RTDbgModRelease(hMod);
6363	}
6364	}
6365	RTDbgAsRelease(hAs);
6366
6367	/* For DBGF_AS_RC_AND_GC_GLOBAL we're required to do more work. */
6368	if (hAsCurAlias != DBGF_AS_RC_AND_GC_GLOBAL)
6369	break;
6370	AssertBreak(iAs == 0);
6371	hAsCurAlias = DBGF_AS_GLOBAL;
6372	}
6373
6374	NOREF(pCmd);
6375	return VINF_SUCCESS;
6376	}
6377
6378
6379
6380	/**
6381	* @callback_method_impl{FNDBGCCMD, The 'x' (examine symbols) command.}
6382	*/
6383	static DECLCALLBACK(int) dbgcCmdListSymbols(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6384	{
6385	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6386	AssertReturn(paArgs[0].enmType == DBGCVAR_TYPE_STRING, VERR_DBGC_PARSE_BUG);
6387
6388	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6389
6390	/*
6391	* Allowed is either a single * to match everything or the Module!Symbol style
6392	* which requiresa ! to separate module and symbol.
6393	*/
6394	bool fDumpAll = strcmp(paArgs[0].u.pszString, "*") == 0;
6395	const char *pszModule = NULL;
6396	size_t cchModule = 0;
6397	const char *pszSymbol = NULL;
6398	if (!fDumpAll)
6399	{
6400	const char *pszDelimiter = strchr(paArgs[0].u.pszString, '!');
6401	if (!pszDelimiter)
6402	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid search string '%s' for '%s'. Valid are either '*' or the form <Module>!<Symbol> where the <Module> and <Symbol> can contain wildcards",
6403	paArgs[0].u.pszString, pCmd->pszCmd);
6404
6405	pszModule = paArgs[0].u.pszString;
6406	cchModule = pszDelimiter - pszModule;
6407	pszSymbol = pszDelimiter + 1;
6408	}
6409
6410	/*
6411	* Iterate the modules in the current address space and print info about
6412	* those matching the input.
6413	*/
6414	RTDBGAS hAsCurAlias = pDbgc->hDbgAs;
6415	for (uint32_t iAs = 0;; iAs++)
6416	{
6417	RTDBGAS hAs = DBGFR3AsResolveAndRetain(pUVM, hAsCurAlias);
6418	uint32_t cMods = RTDbgAsModuleCount(hAs);
6419	for (uint32_t iMod = 0; iMod < cMods; iMod++)
6420	{
6421	RTDBGMOD hMod = RTDbgAsModuleByIndex(hAs, iMod);
6422	if (hMod != NIL_RTDBGMOD)
6423	{
6424	const char *pszModName = RTDbgModName(hMod);
6425	if ( fDumpAll
6426	\|\| RTStrSimplePatternNMatch(pszModule, cchModule, pszModName, strlen(pszModName)))
6427	{
6428	RTDBGASMAPINFO aMappings[128];
6429	uint32_t cMappings = RT_ELEMENTS(aMappings);
6430	RTUINTPTR uMapping = 0;
6431
6432	/* Get the minimum mapping address of the module so we can print absolute values for the symbol later on. */
6433	int rc = RTDbgAsModuleQueryMapByIndex(hAs, iMod, &aMappings[0], &cMappings, 0 /fFlags/);
6434	if (RT_SUCCESS(rc))
6435	{
6436	uMapping = RTUINTPTR_MAX;
6437	for (uint32_t iMap = 0; iMap < cMappings; iMap++)
6438	if (aMappings[iMap].Address < uMapping)
6439	uMapping = aMappings[iMap].Address;
6440	}
6441
6442	/* Go through the symbols and print any matches. */
6443	uint32_t cSyms = RTDbgModSymbolCount(hMod);
6444	for (uint32_t iSym = 0; iSym < cSyms; iSym++)
6445	{
6446	RTDBGSYMBOL SymInfo;
6447	rc = RTDbgModSymbolByOrdinal(hMod, iSym, &SymInfo);
6448	if ( RT_SUCCESS(rc)
6449	&& ( fDumpAll
6450	\|\| RTStrSimplePatternMatch(pszSymbol, &SymInfo.szName[0])))
6451	DBGCCmdHlpPrintf(pCmdHlp, "%RGv %s!%s\n", uMapping + RTDbgModSegmentRva(hMod, SymInfo.iSeg) + (RTGCUINTPTR)SymInfo.Value, pszModName, &SymInfo.szName[0]);
6452	}
6453	}
6454	RTDbgModRelease(hMod);
6455	}
6456	}
6457	RTDbgAsRelease(hAs);
6458
6459	/* For DBGF_AS_RC_AND_GC_GLOBAL we're required to do more work. */
6460	if (hAsCurAlias != DBGF_AS_RC_AND_GC_GLOBAL)
6461	break;
6462	AssertBreak(iAs == 0);
6463	hAsCurAlias = DBGF_AS_GLOBAL;
6464	}
6465
6466	RT_NOREF(pCmd);
6467	return VINF_SUCCESS;
6468	}
6469
6470
6471	/**
6472	* @callback_method_impl{FNDBGCCMD, The 'tflowc' (clear trace flow) command.}
6473	*/
6474	static DECLCALLBACK(int) dbgcCmdTraceFlowClear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6475	{
6476	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
6477
6478	/*
6479	* Enumerate the arguments.
6480	*/
6481	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6482	int rc = VINF_SUCCESS;
6483	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
6484	{
6485	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
6486	{
6487	/* one */
6488	uint32_t iFlowTraceMod = (uint32_t)paArgs[iArg].u.u64Number;
6489	if (iFlowTraceMod == paArgs[iArg].u.u64Number)
6490	{
6491	PDBGCTFLOW pFlowTrace = dbgcFlowTraceModGet(pDbgc, iFlowTraceMod);
6492	if (pFlowTrace)
6493	{
6494	rc = DBGFR3FlowTraceModRelease(pFlowTrace->hTraceFlowMod);
6495	if (RT_FAILURE(rc))
6496	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowTraceModRelease failed for flow trace module %#x", iFlowTraceMod);
6497	rc = DBGFR3FlowRelease(pFlowTrace->hFlow);
6498	if (RT_FAILURE(rc))
6499	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowRelease failed for flow trace module %#x", iFlowTraceMod);
6500	dbgcFlowTraceModDelete(pDbgc, iFlowTraceMod);
6501	}
6502	else
6503	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, VERR_NOT_FOUND, "Flow trace module %#x doesn't exist", iFlowTraceMod);
6504	}
6505	else
6506	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Flow trace mod id %RX64 is too large", paArgs[iArg].u.u64Number);
6507	}
6508	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
6509	{
6510	/* all */
6511	PDBGCTFLOW pIt, pItNext;
6512	RTListForEachSafe(&pDbgc->LstTraceFlowMods, pIt, pItNext, DBGCTFLOW, NdTraceFlow)
6513	{
6514	int rc2 = DBGFR3FlowTraceModRelease(pIt->hTraceFlowMod);
6515	if (RT_FAILURE(rc2))
6516	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3FlowTraceModDisable failed for flow trace module %#x", pIt->iTraceFlowMod);
6517	dbgcFlowTraceModDelete(pDbgc, pIt->iTraceFlowMod);
6518	}
6519	}
6520	else
6521	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
6522	}
6523	return rc;
6524	}
6525
6526
6527	/**
6528	* @callback_method_impl{FNDBGCCMD, The 'tflowd' (disable trace flow) command.}
6529	*/
6530	static DECLCALLBACK(int) dbgcCmdTraceFlowDisable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6531	{
6532	/*
6533	* Enumerate the arguments.
6534	*/
6535	RT_NOREF1(pUVM);
6536	int rc = VINF_SUCCESS;
6537	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6538	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
6539	{
6540	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
6541	{
6542	/* one */
6543	uint32_t iFlowTraceMod = (uint32_t)paArgs[iArg].u.u64Number;
6544	if (iFlowTraceMod == paArgs[iArg].u.u64Number)
6545	{
6546	PDBGCTFLOW pFlowTrace = dbgcFlowTraceModGet(pDbgc, iFlowTraceMod);
6547	if (pFlowTrace)
6548	{
6549	rc = DBGFR3FlowTraceModDisable(pFlowTrace->hTraceFlowMod);
6550	if (RT_FAILURE(rc))
6551	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowTraceModDisable failed for flow trace module %#x", iFlowTraceMod);
6552	}
6553	else
6554	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, VERR_NOT_FOUND, "Flow trace module %#x doesn't exist", iFlowTraceMod);
6555	}
6556	else
6557	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
6558	}
6559	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
6560	{
6561	/* all */
6562	PDBGCTFLOW pIt;
6563	RTListForEach(&pDbgc->LstTraceFlowMods, pIt, DBGCTFLOW, NdTraceFlow)
6564	{
6565	int rc2 = DBGFR3FlowTraceModDisable(pIt->hTraceFlowMod);
6566	if (RT_FAILURE(rc2))
6567	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3FlowTraceModDisable failed for flow trace module %#x",
6568	pIt->iTraceFlowMod);
6569	}
6570	}
6571	else
6572	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
6573	}
6574	return rc;
6575	}
6576
6577
6578	/**
6579	* @callback_method_impl{FNDBGCCMD, The 'tflowe' (enable trace flow) command.}
6580	*/
6581	static DECLCALLBACK(int) dbgcCmdTraceFlowEnable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6582	{
6583	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6584
6585	/*
6586	* Validate input.
6587	*/
6588	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
6589	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 2);
6590	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 \|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
6591
6592	if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
6593	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
6594
6595	/*
6596	* Check the desired mode.
6597	*/
6598	unsigned fFlags = DBGF_DISAS_FLAGS_UNPATCHED_BYTES \| DBGF_DISAS_FLAGS_ANNOTATE_PATCHED \| DBGF_DISAS_FLAGS_DEFAULT_MODE;
6599
6600	/** @todo should use DBGFADDRESS for everything */
6601
6602	/*
6603	* Find address.
6604	*/
6605	if (!cArgs)
6606	{
6607	if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
6608	{
6609	#if defined(VBOX_VMM_TARGET_ARMV8)
6610	AssertReleaseFailed();
6611	#else
6612	/** @todo Batch query CS, RIP, CPU mode and flags. */
6613	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
6614	if (CPUMIsGuestIn64BitCode(pVCpu))
6615	{
6616	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
6617	pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
6618	}
6619	else
6620	{
6621	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
6622	pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
6623	pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
6624	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
6625	&& (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
6626	{
6627	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
6628	fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
6629	}
6630	}
6631	#endif
6632
6633	fFlags \|= DBGF_DISAS_FLAGS_CURRENT_GUEST;
6634	}
6635	else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
6636	{
6637	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
6638	fFlags \|= pDbgc->fDisasm & DBGF_DISAS_FLAGS_MODE_MASK;
6639	}
6640	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
6641	}
6642	else
6643	pDbgc->DisasmPos = paArgs[0];
6644	pDbgc->pLastPos = &pDbgc->DisasmPos;
6645
6646	/*
6647	* Convert physical and host addresses to guest addresses.
6648	*/
6649	RTDBGAS hDbgAs = pDbgc->hDbgAs;
6650	int rc;
6651	switch (pDbgc->DisasmPos.enmType)
6652	{
6653	case DBGCVAR_TYPE_GC_FLAT:
6654	case DBGCVAR_TYPE_GC_FAR:
6655	break;
6656	case DBGCVAR_TYPE_GC_PHYS:
6657	hDbgAs = DBGF_AS_PHYS;
6658	/* fall thru */
6659	case DBGCVAR_TYPE_HC_FLAT:
6660	case DBGCVAR_TYPE_HC_PHYS:
6661	{
6662	DBGCVAR VarTmp;
6663	rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
6664	if (RT_FAILURE(rc))
6665	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
6666	pDbgc->DisasmPos = VarTmp;
6667	break;
6668	}
6669	default: AssertFailed(); break;
6670	}
6671
6672	DBGFADDRESS CurAddr;
6673	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
6674	&& pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
6675	DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
6676	else
6677	{
6678	rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
6679	if (RT_FAILURE(rc))
6680	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
6681	}
6682
6683	DBGFFLOW hCfg;
6684	rc = DBGFR3FlowCreate(pUVM, pDbgc->idCpu, &CurAddr, 0 /cbDisasmMax/,
6685	DBGF_FLOW_CREATE_F_TRY_RESOLVE_INDIRECT_BRANCHES, fFlags, &hCfg);
6686	if (RT_SUCCESS(rc))
6687	{
6688	/* Create a probe. */
6689	DBGFFLOWTRACEPROBE hFlowTraceProbe = NULL;
6690	DBGFFLOWTRACEPROBE hFlowTraceProbeExit = NULL;
6691	DBGFFLOWTRACEPROBEENTRY Entry;
6692	DBGFFLOWTRACEMOD hFlowTraceMod = NULL;
6693	uint32_t iTraceModId = 0;
6694
6695	RT_ZERO(Entry);
6696	Entry.enmType = DBGFFLOWTRACEPROBEENTRYTYPE_DEBUGGER;
6697
6698	rc = DBGFR3FlowTraceProbeCreate(pUVM, NULL, &hFlowTraceProbe);
6699	if (RT_SUCCESS(rc))
6700	rc = DBGFR3FlowTraceProbeCreate(pUVM, NULL, &hFlowTraceProbeExit);
6701	if (RT_SUCCESS(rc))
6702	rc = DBGFR3FlowTraceProbeEntriesAdd(hFlowTraceProbeExit, &Entry, 1 /cEntries/);
6703	if (RT_SUCCESS(rc))
6704	rc = DBGFR3FlowTraceModCreateFromFlowGraph(pUVM, VMCPUID_ANY, hCfg, NULL,
6705	hFlowTraceProbe, hFlowTraceProbe,
6706	hFlowTraceProbeExit, &hFlowTraceMod);
6707	if (RT_SUCCESS(rc))
6708	rc = dbgcFlowTraceModAdd(pDbgc, hFlowTraceMod, hCfg, &iTraceModId);
6709	if (RT_SUCCESS(rc))
6710	rc = DBGFR3FlowTraceModEnable(hFlowTraceMod, 0, 0);
6711	if (RT_SUCCESS(rc))
6712	DBGCCmdHlpPrintf(pCmdHlp, "Enabled execution flow tracing %u at %RGv\n",
6713	iTraceModId, CurAddr.FlatPtr);
6714
6715	if (hFlowTraceProbe)
6716	DBGFR3FlowTraceProbeRelease(hFlowTraceProbe);
6717	if (hFlowTraceProbeExit)
6718	DBGFR3FlowTraceProbeRelease(hFlowTraceProbeExit);
6719	}
6720	else
6721	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowCreate failed on '%Dv'", &pDbgc->DisasmPos);
6722
6723	NOREF(pCmd);
6724	return rc;
6725	}
6726
6727
6728	/**
6729	* Enumerates and prints all records contained in the given flow tarce module.
6730	*
6731	* @returns VBox status code.
6732	* @param pCmd The command.
6733	* @param pCmdHlp The command helpers.
6734	* @param hFlowTraceMod The flow trace module to print.
6735	* @param hFlow The control flow graph assoicated with the given module.
6736	* @param iFlowTraceMod The flow trace module identifier.
6737	*/
6738	static int dbgcCmdTraceFlowPrintOne(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, DBGFFLOWTRACEMOD hFlowTraceMod,
6739	DBGFFLOW hFlow, uint32_t iFlowTraceMod)
6740	{
6741	RT_NOREF(hFlow);
6742
6743	DBGFFLOWTRACEREPORT hFlowTraceReport;
6744	int rc = DBGFR3FlowTraceModQueryReport(hFlowTraceMod, &hFlowTraceReport);
6745	if (RT_SUCCESS(rc))
6746	{
6747	uint32_t cRecords = DBGFR3FlowTraceReportGetRecordCount(hFlowTraceReport);
6748	DBGCCmdHlpPrintf(pCmdHlp, "Report for flow trace module %#x (%u records):\n",
6749	iFlowTraceMod, cRecords);
6750
6751	PDBGCFLOWBBDUMP paDumpBb = (PDBGCFLOWBBDUMP)RTMemTmpAllocZ(cRecords * sizeof(DBGCFLOWBBDUMP));
6752	if (RT_LIKELY(paDumpBb))
6753	{
6754	/* Query the basic block referenced for each record and calculate the size. */
6755	for (uint32_t i = 0; i < cRecords && RT_SUCCESS(rc); i++)
6756	{
6757	DBGFFLOWTRACERECORD hRec = NULL;
6758	rc = DBGFR3FlowTraceReportQueryRecord(hFlowTraceReport, i, &hRec);
6759	if (RT_SUCCESS(rc))
6760	{
6761	DBGFADDRESS Addr;
6762	DBGFR3FlowTraceRecordGetAddr(hRec, &Addr);
6763
6764	DBGFFLOWBB hFlowBb = NULL;
6765	rc = DBGFR3FlowQueryBbByAddress(hFlow, &Addr, &hFlowBb);
6766	if (RT_SUCCESS(rc))
6767	dbgcCmdUnassembleCfgDumpCalcBbSize(hFlowBb, &paDumpBb[i]);
6768
6769	DBGFR3FlowTraceRecordRelease(hRec);
6770	}
6771	}
6772
6773	if (RT_SUCCESS(rc))
6774	{
6775	/* Calculate the ASCII screen dimensions and create one. */
6776	uint32_t cchWidth = 0;
6777	uint32_t cchHeight = 0;
6778	for (unsigned i = 0; i < cRecords; i++)
6779	{
6780	PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
6781	cchWidth = RT_MAX(cchWidth, pDumpBb->cchWidth);
6782	cchHeight += pDumpBb->cchHeight;
6783
6784	/* Incomplete blocks don't have a successor. */
6785	if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
6786	continue;
6787
6788	cchHeight += 2; /* For the arrow down to the next basic block. */
6789	}
6790
6791
6792	DBGCSCREEN hScreen = NULL;
6793	rc = dbgcScreenAsciiCreate(&hScreen, cchWidth, cchHeight);
6794	if (RT_SUCCESS(rc))
6795	{
6796	uint32_t uY = 0;
6797
6798	/* Dump the basic blocks and connections to the immediate successor. */
6799	for (unsigned i = 0; i < cRecords; i++)
6800	{
6801	paDumpBb[i].uStartX = (cchWidth - paDumpBb[i].cchWidth) / 2;
6802	paDumpBb[i].uStartY = uY;
6803	dbgcCmdUnassembleCfgDumpBb(&paDumpBb[i], hScreen);
6804	uY += paDumpBb[i].cchHeight;
6805
6806	/* Incomplete blocks don't have a successor. */
6807	if (DBGFR3FlowBbGetFlags(paDumpBb[i].hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
6808	continue;
6809
6810	if (DBGFR3FlowBbGetType(paDumpBb[i].hFlowBb) != DBGFFLOWBBENDTYPE_EXIT)
6811	{
6812	/* Draw the arrow down to the next block. */
6813	dbgcScreenAsciiDrawCharacter(hScreen, cchWidth / 2, uY,
6814	'\|', DBGCSCREENCOLOR_BLUE_BRIGHT);
6815	uY++;
6816	dbgcScreenAsciiDrawCharacter(hScreen, cchWidth / 2, uY,
6817	'V', DBGCSCREENCOLOR_BLUE_BRIGHT);
6818	uY++;
6819	}
6820	}
6821
6822	rc = dbgcScreenAsciiBlit(hScreen, dbgcCmdUnassembleCfgBlit, pCmdHlp, false /fUseColor/);
6823	dbgcScreenAsciiDestroy(hScreen);
6824	}
6825	else
6826	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to create virtual screen for flow trace module %#x", iFlowTraceMod);
6827	}
6828	else
6829	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to query all records of flow trace module %#x", iFlowTraceMod);
6830
6831	for (unsigned i = 0; i < cRecords; i++)
6832	{
6833	if (paDumpBb[i].hFlowBb)
6834	DBGFR3FlowBbRelease(paDumpBb[i].hFlowBb);
6835	}
6836
6837	RTMemTmpFree(paDumpBb);
6838	}
6839	else
6840	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to allocate memory for %u records", cRecords);
6841
6842	DBGFR3FlowTraceReportRelease(hFlowTraceReport);
6843	}
6844	else
6845	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to query report for flow trace module %#x", iFlowTraceMod);
6846
6847	return rc;
6848	}
6849
6850
6851	/**
6852	* @callback_method_impl{FNDBGCCMD, The 'tflowp' (print trace flow) command.}
6853	*/
6854	static DECLCALLBACK(int) dbgcCmdTraceFlowPrint(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6855	{
6856	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
6857
6858	/*
6859	* Enumerate the arguments.
6860	*/
6861	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6862	int rc = VINF_SUCCESS;
6863	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
6864	{
6865	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
6866	{
6867	/* one */
6868	uint32_t iFlowTraceMod = (uint32_t)paArgs[iArg].u.u64Number;
6869	if (iFlowTraceMod == paArgs[iArg].u.u64Number)
6870	{
6871	PDBGCTFLOW pFlowTrace = dbgcFlowTraceModGet(pDbgc, iFlowTraceMod);
6872	if (pFlowTrace)
6873	rc = dbgcCmdTraceFlowPrintOne(pCmdHlp, pCmd, pFlowTrace->hTraceFlowMod,
6874	pFlowTrace->hFlow, pFlowTrace->iTraceFlowMod);
6875	else
6876	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, VERR_NOT_FOUND, "Flow trace module %#x doesn't exist", iFlowTraceMod);
6877	}
6878	else
6879	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Flow trace mod id %RX64 is too large", paArgs[iArg].u.u64Number);
6880	}
6881	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
6882	{
6883	/* all */
6884	PDBGCTFLOW pIt;
6885	RTListForEach(&pDbgc->LstTraceFlowMods, pIt, DBGCTFLOW, NdTraceFlow)
6886	{
6887	rc = dbgcCmdTraceFlowPrintOne(pCmdHlp, pCmd, pIt->hTraceFlowMod,
6888	pIt->hFlow, pIt->iTraceFlowMod);
6889	if (RT_FAILURE(rc))
6890	break;
6891	}
6892	}
6893	else
6894	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
6895	}
6896	return rc;
6897	}
6898
6899
6900	/**
6901	* @callback_method_impl{FNDBGCCMD, The 'tflowr' (reset trace flow) command.}
6902	*/
6903	static DECLCALLBACK(int) dbgcCmdTraceFlowReset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6904	{
6905	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
6906
6907	/*
6908	* Enumerate the arguments.
6909	*/
6910	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6911	int rc = VINF_SUCCESS;
6912	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
6913	{
6914	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
6915	{
6916	/* one */
6917	uint32_t iFlowTraceMod = (uint32_t)paArgs[iArg].u.u64Number;
6918	if (iFlowTraceMod == paArgs[iArg].u.u64Number)
6919	{
6920	PDBGCTFLOW pFlowTrace = dbgcFlowTraceModGet(pDbgc, iFlowTraceMod);
6921	if (pFlowTrace)
6922	{
6923	rc = DBGFR3FlowTraceModClear(pFlowTrace->hTraceFlowMod);
6924	if (RT_FAILURE(rc))
6925	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowTraceModClear failed for flow trace module %#x", iFlowTraceMod);
6926	}
6927	else
6928	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, VERR_NOT_FOUND, "Flow trace module %#x doesn't exist", iFlowTraceMod);
6929	}
6930	else
6931	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Flow trace mod id %RX64 is too large", paArgs[iArg].u.u64Number);
6932	}
6933	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
6934	{
6935	/* all */
6936	PDBGCTFLOW pIt;
6937	RTListForEach(&pDbgc->LstTraceFlowMods, pIt, DBGCTFLOW, NdTraceFlow)
6938	{
6939	rc = DBGFR3FlowTraceModClear(pIt->hTraceFlowMod);
6940	if (RT_FAILURE(rc))
6941	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowTraceModClear failed for flow trace module %#x", pIt->iTraceFlowMod);
6942	}
6943	}
6944	else
6945	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
6946	}
6947	return rc;
6948	}
6949
6950
6951
6952	/**
6953	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned 8-bit value.}
6954	*/
6955	static DECLCALLBACK(int) dbgcFuncReadU8(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6956	PDBGCVAR pResult)
6957	{
6958	RT_NOREF1(pUVM);
6959	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6960	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6961	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6962
6963	uint8_t b;
6964	int rc = DBGCCmdHlpMemRead(pCmdHlp, &b, sizeof(b), &paArgs[0], NULL);
6965	if (RT_FAILURE(rc))
6966	return rc;
6967	DBGCVAR_INIT_NUMBER(pResult, b);
6968
6969	NOREF(pFunc);
6970	return VINF_SUCCESS;
6971	}
6972
6973
6974	/**
6975	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned 16-bit value.}
6976	*/
6977	static DECLCALLBACK(int) dbgcFuncReadU16(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6978	PDBGCVAR pResult)
6979	{
6980	RT_NOREF1(pUVM);
6981	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6982	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6983	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6984
6985	uint16_t u16;
6986	int rc = DBGCCmdHlpMemRead(pCmdHlp, &u16, sizeof(u16), &paArgs[0], NULL);
6987	if (RT_FAILURE(rc))
6988	return rc;
6989	DBGCVAR_INIT_NUMBER(pResult, u16);
6990
6991	NOREF(pFunc);
6992	return VINF_SUCCESS;
6993	}
6994
6995
6996	/**
6997	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned 32-bit value.}
6998	*/
6999	static DECLCALLBACK(int) dbgcFuncReadU32(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
7000	PDBGCVAR pResult)
7001	{
7002	RT_NOREF1(pUVM);
7003	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
7004	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
7005	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
7006
7007	uint32_t u32;
7008	int rc = DBGCCmdHlpMemRead(pCmdHlp, &u32, sizeof(u32), &paArgs[0], NULL);
7009	if (RT_FAILURE(rc))
7010	return rc;
7011	DBGCVAR_INIT_NUMBER(pResult, u32);
7012
7013	NOREF(pFunc);
7014	return VINF_SUCCESS;
7015	}
7016
7017
7018	/**
7019	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned 64-bit value.}
7020	*/
7021	static DECLCALLBACK(int) dbgcFuncReadU64(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
7022	PDBGCVAR pResult)
7023	{
7024	RT_NOREF1(pUVM);
7025	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
7026	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
7027	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
7028
7029	uint64_t u64;
7030	int rc = DBGCCmdHlpMemRead(pCmdHlp, &u64, sizeof(u64), &paArgs[0], NULL);
7031	if (RT_FAILURE(rc))
7032	return rc;
7033	DBGCVAR_INIT_NUMBER(pResult, u64);
7034
7035	NOREF(pFunc);
7036	return VINF_SUCCESS;
7037	}
7038
7039
7040	/**
7041	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned pointer-sized value.}
7042	*/
7043	static DECLCALLBACK(int) dbgcFuncReadPtr(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
7044	PDBGCVAR pResult)
7045	{
7046	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
7047	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
7048	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
7049
7050	CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp);
7051	if (enmMode == CPUMMODE_LONG)
7052	return dbgcFuncReadU64(pFunc, pCmdHlp, pUVM, paArgs, cArgs, pResult);
7053	return dbgcFuncReadU32(pFunc, pCmdHlp, pUVM, paArgs, cArgs, pResult);
7054	}
7055
7056
7057	/**
7058	* @callback_method_impl{FNDBGCFUNC, The hi(value) function implementation.}
7059	*/
7060	static DECLCALLBACK(int) dbgcFuncHi(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
7061	PDBGCVAR pResult)
7062	{
7063	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
7064
7065	uint16_t uHi;
7066	switch (paArgs[0].enmType)
7067	{
7068	case DBGCVAR_TYPE_GC_FLAT: uHi = (uint16_t)(paArgs[0].u.GCFlat >> 16); break;
7069	case DBGCVAR_TYPE_GC_FAR: uHi = (uint16_t)paArgs[0].u.GCFar.sel; break;
7070	case DBGCVAR_TYPE_GC_PHYS: uHi = (uint16_t)(paArgs[0].u.GCPhys >> 16); break;
7071	case DBGCVAR_TYPE_HC_FLAT: uHi = (uint16_t)((uintptr_t)paArgs[0].u.pvHCFlat >> 16); break;
7072	case DBGCVAR_TYPE_HC_PHYS: uHi = (uint16_t)(paArgs[0].u.HCPhys >> 16); break;
7073	case DBGCVAR_TYPE_NUMBER: uHi = (uint16_t)(paArgs[0].u.u64Number >> 16); break;
7074	default:
7075	AssertFailedReturn(VERR_DBGC_PARSE_BUG);
7076	}
7077	DBGCVAR_INIT_NUMBER(pResult, uHi);
7078	DBGCVAR_SET_RANGE(pResult, paArgs[0].enmRangeType, paArgs[0].u64Range);
7079
7080	NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
7081	return VINF_SUCCESS;
7082	}
7083
7084
7085	/**
7086	* @callback_method_impl{FNDBGCFUNC, The low(value) function implementation.}
7087	*/
7088	static DECLCALLBACK(int) dbgcFuncLow(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
7089	PDBGCVAR pResult)
7090	{
7091	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
7092
7093	uint16_t uLow;
7094	switch (paArgs[0].enmType)
7095	{
7096	case DBGCVAR_TYPE_GC_FLAT: uLow = (uint16_t)paArgs[0].u.GCFlat; break;
7097	case DBGCVAR_TYPE_GC_FAR: uLow = (uint16_t)paArgs[0].u.GCFar.off; break;
7098	case DBGCVAR_TYPE_GC_PHYS: uLow = (uint16_t)paArgs[0].u.GCPhys; break;
7099	case DBGCVAR_TYPE_HC_FLAT: uLow = (uint16_t)(uintptr_t)paArgs[0].u.pvHCFlat; break;
7100	case DBGCVAR_TYPE_HC_PHYS: uLow = (uint16_t)paArgs[0].u.HCPhys; break;
7101	case DBGCVAR_TYPE_NUMBER: uLow = (uint16_t)paArgs[0].u.u64Number; break;
7102	default:
7103	AssertFailedReturn(VERR_DBGC_PARSE_BUG);
7104	}
7105	DBGCVAR_INIT_NUMBER(pResult, uLow);
7106	DBGCVAR_SET_RANGE(pResult, paArgs[0].enmRangeType, paArgs[0].u64Range);
7107
7108	NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
7109	return VINF_SUCCESS;
7110	}
7111
7112
7113	/**
7114	* @callback_method_impl{FNDBGCFUNC,The low(value) function implementation.}
7115	*/
7116	static DECLCALLBACK(int) dbgcFuncNot(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
7117	PDBGCVAR pResult)
7118	{
7119	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
7120	NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
7121	return DBGCCmdHlpEval(pCmdHlp, pResult, "!(%Dv)", &paArgs[0]);
7122	}
7123
7124
7125	/** Generic pointer argument wo/ range. */
7126	static const DBGCVARDESC g_aArgPointerWoRange[] =
7127	{
7128	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
7129	{ 1, 1, DBGCVAR_CAT_POINTER_NO_RANGE, 0, "value", "Address or number." },
7130	};
7131
7132	/** Generic pointer or number argument. */
7133	static const DBGCVARDESC g_aArgPointerNumber[] =
7134	{
7135	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
7136	{ 1, 1, DBGCVAR_CAT_POINTER_NUMBER, 0, "value", "Address or number." },
7137	};
7138
7139
7140
7141	/** Function descriptors for the CodeView / WinDbg emulation.
7142	* The emulation isn't attempting to be identical, only somewhat similar.
7143	*/
7144	const DBGCFUNC g_aFuncsCodeView[] =
7145	{
7146	{ "by", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU8, "address", "Reads a byte at the given address." },
7147	{ "dwo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU32, "address", "Reads a 32-bit value at the given address." },
7148	{ "hi", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncHi, "value", "Returns the high 16-bit bits of a value." },
7149	{ "low", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncLow, "value", "Returns the low 16-bit bits of a value." },
7150	{ "not", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncNot, "address", "Boolean NOT." },
7151	{ "poi", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadPtr, "address", "Reads a pointer sized (CS) value at the given address." },
7152	{ "qwo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU64, "address", "Reads a 32-bit value at the given address." },
7153	{ "wo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU16, "address", "Reads a 16-bit value at the given address." },
7154	};
7155
7156	/** The number of functions in the CodeView/WinDbg emulation. */
7157	const uint32_t g_cFuncsCodeView = RT_ELEMENTS(g_aFuncsCodeView);
7158

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source: vbox/trunk/src/VBox/Debugger/DBGCEmulateCodeView.cpp@ 103422

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