VirtualBox

source: vbox/trunk/src/VBox/Debugger/DBGCEmulateCodeView.cpp@ 103914

Last change on this file since 103914 was 103433, checked in by vboxsync, 8 months ago

Debugger: Some warning fixes, bugref:3409
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File size: 320.9 KB
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1/* $Id: DBGCEmulateCodeView.cpp 103433 2024-02-19 12:11:34Z 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*********************************************************************************************************************************/
59static FNDBGCCMD dbgcCmdBrkAccess;
60static FNDBGCCMD dbgcCmdBrkClear;
61static FNDBGCCMD dbgcCmdBrkDisable;
62static FNDBGCCMD dbgcCmdBrkEnable;
63static FNDBGCCMD dbgcCmdBrkList;
64static FNDBGCCMD dbgcCmdBrkSet;
65static FNDBGCCMD dbgcCmdBrkREM;
66static FNDBGCCMD dbgcCmdDumpMem;
67static FNDBGCCMD dbgcCmdDumpDT;
68static FNDBGCCMD dbgcCmdDumpIDT;
69static FNDBGCCMD dbgcCmdDumpPageDir;
70static FNDBGCCMD dbgcCmdDumpPageDirBoth;
71static FNDBGCCMD dbgcCmdDumpPageHierarchy;
72static FNDBGCCMD dbgcCmdDumpPageTable;
73static FNDBGCCMD dbgcCmdDumpPageTableBoth;
74static FNDBGCCMD dbgcCmdDumpTSS;
75static FNDBGCCMD dbgcCmdDumpTypeInfo;
76static FNDBGCCMD dbgcCmdDumpTypedVal;
77static FNDBGCCMD dbgcCmdEditMem;
78static FNDBGCCMD dbgcCmdGo;
79static FNDBGCCMD dbgcCmdGoUp;
80static FNDBGCCMD dbgcCmdListModules;
81static FNDBGCCMD dbgcCmdListNear;
82static FNDBGCCMD dbgcCmdListSource;
83static FNDBGCCMD dbgcCmdListSymbols;
84static FNDBGCCMD dbgcCmdMemoryInfo;
85static FNDBGCCMD dbgcCmdReg;
86static FNDBGCCMD dbgcCmdRegGuest;
87static FNDBGCCMD dbgcCmdRegTerse;
88static FNDBGCCMD dbgcCmdSearchMem;
89static FNDBGCCMD dbgcCmdSearchMemType;
90static FNDBGCCMD dbgcCmdStepTrace;
91static FNDBGCCMD dbgcCmdStepTraceTo;
92static FNDBGCCMD dbgcCmdStepTraceToggle;
93static FNDBGCCMD dbgcCmdEventCtrl;
94static FNDBGCCMD dbgcCmdEventCtrlList;
95static FNDBGCCMD dbgcCmdEventCtrlReset;
96static FNDBGCCMD dbgcCmdStack;
97static FNDBGCCMD dbgcCmdUnassemble;
98static FNDBGCCMD dbgcCmdUnassembleCfg;
99static FNDBGCCMD dbgcCmdTraceFlowClear;
100static FNDBGCCMD dbgcCmdTraceFlowDisable;
101static FNDBGCCMD dbgcCmdTraceFlowEnable;
102static FNDBGCCMD dbgcCmdTraceFlowPrint;
103static FNDBGCCMD dbgcCmdTraceFlowReset;
104
105
106/*********************************************************************************************************************************
107* Global Variables *
108*********************************************************************************************************************************/
109/** 'ba' arguments. */
110static 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. */
123static 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. */
132static 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. */
143static 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. */
154static 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. */
162static 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. */
171static 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. */
179static 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. */
188static 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. */
196static 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. */
206static 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. */
214static 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. */
222static 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. */
231static 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. */
240static 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. */
250static 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. */
259static 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. */
267static 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. */
275static 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. */
284static 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. */
292static 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. */
300static 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. */
309static 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. */
318static 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. */
328static 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. */
344static 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. */
353static 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. */
362static 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. */
369static 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. */
376static 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. */
383static 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. */
390static 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. */
398static 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. */
406static 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. */
414static 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 */
424const 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. */
540const 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 */
548const 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. */
702const uint32_t g_cDbgcSxEvents = RT_ELEMENTS(g_aDbgcSxEvents);
703
704
705
706/**
707 * @callback_method_impl{FNDBGCCMD, The 'g' command.}
708 */
709static 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 */
748static 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 */
768static 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 */
865static 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 */
917static 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 */
959static 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 */
1009static 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 */
1123static 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 */
1143static 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 */
1203static 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 */
1270static 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 */
1308static 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 */
1529static 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 */
1543static 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 */
1557static 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 */
1571static 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 uint32_t cchErr = (uint32_t)strlen(pszErr);
1594
1595 pDumpBb->cchHeight++;
1596 pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, cchErr);
1597 }
1598 }
1599 for (unsigned i = 0; i < cInstr; i++)
1600 {
1601 const char *pszInstr = NULL;
1602 int rc = DBGFR3FlowBbQueryInstr(hFlowBb, i, NULL, NULL, &pszInstr);
1603 AssertRC(rc);
1604
1605 uint32_t cchInstr = (uint32_t)strlen(pszInstr);
1606 pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, cchInstr);
1607 }
1608 pDumpBb->cchWidth += 4; /* Include spacing and border left and right. */
1609}
1610
1611
1612/**
1613 * Dumps a top or bottom boundary line.
1614 *
1615 * @param hScreen The screen to draw to.
1616 * @param uStartX Where to start drawing the boundary.
1617 * @param uStartY Y coordinate.
1618 * @param cchWidth Width of the boundary.
1619 * @param enmColor The color to use for drawing.
1620 */
1621static void dbgcCmdUnassembleCfgDumpBbBoundary(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1622 DBGCSCREENCOLOR enmColor)
1623{
1624 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '+', enmColor);
1625 dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1626 uStartY, '-', enmColor);
1627 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '+', enmColor);
1628}
1629
1630
1631/**
1632 * Dumps a spacing line between the top or bottom boundary and the actual disassembly.
1633 *
1634 * @param hScreen The screen to draw to.
1635 * @param uStartX Where to start drawing the spacing.
1636 * @param uStartY Y coordinate.
1637 * @param cchWidth Width of the spacing.
1638 * @param enmColor The color to use for drawing.
1639 */
1640static void dbgcCmdUnassembleCfgDumpBbSpacing(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1641 DBGCSCREENCOLOR enmColor)
1642{
1643 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmColor);
1644 dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1645 uStartY, ' ', enmColor);
1646 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmColor);
1647}
1648
1649
1650/**
1651 * Writes a given text to the screen.
1652 *
1653 * @param hScreen The screen to draw to.
1654 * @param uStartX Where to start drawing the line.
1655 * @param uStartY Y coordinate.
1656 * @param cchWidth Maximum width of the text.
1657 * @param pszText The text to write.
1658 * @param enmTextColor The color to use for drawing the text.
1659 * @param enmBorderColor The color to use for drawing the border.
1660 */
1661static void dbgcCmdUnassembleCfgDumpBbText(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY,
1662 uint32_t cchWidth, const char *pszText,
1663 DBGCSCREENCOLOR enmTextColor, DBGCSCREENCOLOR enmBorderColor)
1664{
1665 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmBorderColor);
1666 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + 1, uStartY, ' ', enmTextColor);
1667 dbgcScreenAsciiDrawString(hScreen, uStartX + 2, uStartY, pszText, enmTextColor);
1668 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmBorderColor);
1669}
1670
1671
1672/**
1673 * Dumps one basic block using the dumper callback.
1674 *
1675 * @param pDumpBb The basic block dump state to dump.
1676 * @param hScreen The screen to draw to.
1677 */
1678static void dbgcCmdUnassembleCfgDumpBb(PDBGCFLOWBBDUMP pDumpBb, DBGCSCREEN hScreen)
1679{
1680 uint32_t uStartY = pDumpBb->uStartY;
1681 bool fError = RT_BOOL(DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR);
1682 DBGCSCREENCOLOR enmColor = fError ? DBGCSCREENCOLOR_RED_BRIGHT : DBGCSCREENCOLOR_DEFAULT;
1683
1684 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1685 uStartY++;
1686 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1687 uStartY++;
1688
1689 uint32_t cInstr = DBGFR3FlowBbGetInstrCount(pDumpBb->hFlowBb);
1690 for (unsigned i = 0; i < cInstr; i++)
1691 {
1692 const char *pszInstr = NULL;
1693 DBGFR3FlowBbQueryInstr(pDumpBb->hFlowBb, i, NULL, NULL, &pszInstr);
1694 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY + i,
1695 pDumpBb->cchWidth, pszInstr, DBGCSCREENCOLOR_DEFAULT,
1696 enmColor);
1697 }
1698 uStartY += cInstr;
1699
1700 if (fError)
1701 {
1702 const char *pszErr = NULL;
1703 DBGFR3FlowBbQueryError(pDumpBb->hFlowBb, &pszErr);
1704 if (pszErr)
1705 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY,
1706 pDumpBb->cchWidth, pszErr, enmColor,
1707 enmColor);
1708 uStartY++;
1709 }
1710
1711 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1712 uStartY++;
1713 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1714 uStartY++;
1715}
1716
1717
1718/**
1719 * Dumps one branch table using the dumper callback.
1720 *
1721 * @param pDumpBranchTbl The basic block dump state to dump.
1722 * @param hScreen The screen to draw to.
1723 */
1724static void dbgcCmdUnassembleCfgDumpBranchTbl(PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl, DBGCSCREEN hScreen)
1725{
1726 uint32_t uStartY = pDumpBranchTbl->uStartY;
1727 DBGCSCREENCOLOR enmColor = DBGCSCREENCOLOR_CYAN_BRIGHT;
1728
1729 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1730 uStartY++;
1731 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1732 uStartY++;
1733
1734 uint32_t cSlots = DBGFR3FlowBranchTblGetSlots(pDumpBranchTbl->hFlowBranchTbl);
1735 for (unsigned i = 0; i < cSlots; i++)
1736 {
1737 DBGFADDRESS Addr;
1738 char szAddr[128];
1739
1740 RT_ZERO(szAddr);
1741 DBGFR3FlowBranchTblGetAddrAtSlot(pDumpBranchTbl->hFlowBranchTbl, i, &Addr);
1742
1743 if (Addr.Sel == DBGF_SEL_FLAT)
1744 RTStrPrintf(&szAddr[0], sizeof(szAddr), "%RGv", Addr.FlatPtr);
1745 else
1746 RTStrPrintf(&szAddr[0], sizeof(szAddr), "%04x:%RGv", Addr.Sel, Addr.off);
1747
1748 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBranchTbl->uStartX, uStartY + i,
1749 pDumpBranchTbl->cchWidth, &szAddr[0], DBGCSCREENCOLOR_DEFAULT,
1750 enmColor);
1751 }
1752 uStartY += cSlots;
1753
1754 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1755 uStartY++;
1756 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1757 uStartY++;
1758}
1759
1760
1761/**
1762 * Fills in the dump states for the basic blocks and branch tables.
1763 *
1764 * @param hFlowIt The control flow graph iterator handle.
1765 * @param hFlowBranchTblIt The control flow graph branch table iterator handle.
1766 * @param paDumpBb The array of basic block dump states.
1767 * @param paDumpBranchTbl The array of branch table dump states.
1768 * @param cBbs Number of basic blocks.
1769 * @param cBranchTbls Number of branch tables.
1770 */
1771static void dbgcCmdUnassembleCfgDumpCalcDimensions(DBGFFLOWIT hFlowIt, DBGFFLOWBRANCHTBLIT hFlowBranchTblIt,
1772 PDBGCFLOWBBDUMP paDumpBb, PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl,
1773 uint32_t cBbs, uint32_t cBranchTbls)
1774{
1775 RT_NOREF2(cBbs, cBranchTbls);
1776
1777 /* Calculate the sizes of each basic block first. */
1778 DBGFFLOWBB hFlowBb = DBGFR3FlowItNext(hFlowIt);
1779 uint32_t idx = 0;
1780 while (hFlowBb)
1781 {
1782 dbgcCmdUnassembleCfgDumpCalcBbSize(hFlowBb, &paDumpBb[idx]);
1783 idx++;
1784 hFlowBb = DBGFR3FlowItNext(hFlowIt);
1785 }
1786
1787 if (paDumpBranchTbl)
1788 {
1789 idx = 0;
1790 DBGFFLOWBRANCHTBL hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1791 while (hFlowBranchTbl)
1792 {
1793 paDumpBranchTbl[idx].hFlowBranchTbl = hFlowBranchTbl;
1794 paDumpBranchTbl[idx].cchHeight = DBGFR3FlowBranchTblGetSlots(hFlowBranchTbl) + 4; /* Spacing and border. */
1795 paDumpBranchTbl[idx].cchWidth = 25 + 4; /* Spacing and border. */
1796 idx++;
1797 hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1798 }
1799 }
1800}
1801
1802/**
1803 * Dumps the given control flow graph to the output.
1804 *
1805 * @returns VBox status code.
1806 * @param hCfg The control flow graph handle.
1807 * @param fUseColor Flag whether the output should be colorized.
1808 * @param pCmdHlp The command helper callback table.
1809 */
1810static int dbgcCmdUnassembleCfgDump(DBGFFLOW hCfg, bool fUseColor, PDBGCCMDHLP pCmdHlp)
1811{
1812 int rc = VINF_SUCCESS;
1813 DBGFFLOWIT hCfgIt = NULL;
1814 DBGFFLOWBRANCHTBLIT hFlowBranchTblIt = NULL;
1815 uint32_t cBbs = DBGFR3FlowGetBbCount(hCfg);
1816 uint32_t cBranchTbls = DBGFR3FlowGetBranchTblCount(hCfg);
1817 PDBGCFLOWBBDUMP paDumpBb = (PDBGCFLOWBBDUMP)RTMemTmpAllocZ(cBbs * sizeof(DBGCFLOWBBDUMP));
1818 PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl = NULL;
1819
1820 if (cBranchTbls)
1821 paDumpBranchTbl = (PDBGCFLOWBRANCHTBLDUMP)RTMemAllocZ(cBranchTbls * sizeof(DBGCFLOWBRANCHTBLDUMP));
1822
1823 if (RT_UNLIKELY(!paDumpBb || (!paDumpBranchTbl && cBranchTbls > 0)))
1824 rc = VERR_NO_MEMORY;
1825 if (RT_SUCCESS(rc))
1826 rc = DBGFR3FlowItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hCfgIt);
1827 if (RT_SUCCESS(rc) && cBranchTbls > 0)
1828 rc = DBGFR3FlowBranchTblItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hFlowBranchTblIt);
1829
1830 if (RT_SUCCESS(rc))
1831 {
1832 dbgcCmdUnassembleCfgDumpCalcDimensions(hCfgIt, hFlowBranchTblIt, paDumpBb, paDumpBranchTbl,
1833 cBbs, cBranchTbls);
1834
1835 /* Calculate the ASCII screen dimensions and create one. */
1836 uint32_t cchWidth = 0;
1837 uint32_t cchLeftExtra = 5;
1838 uint32_t cchRightExtra = 5;
1839 uint32_t cchHeight = 0;
1840 for (unsigned i = 0; i < cBbs; i++)
1841 {
1842 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1843 cchWidth = RT_MAX(cchWidth, pDumpBb->cchWidth);
1844 cchHeight += pDumpBb->cchHeight;
1845
1846 /* Incomplete blocks don't have a successor. */
1847 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1848 continue;
1849
1850 switch (DBGFR3FlowBbGetType(pDumpBb->hFlowBb))
1851 {
1852 case DBGFFLOWBBENDTYPE_EXIT:
1853 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1854 break;
1855 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1856 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1857 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1858 cchLeftExtra++;
1859 else
1860 cchRightExtra++;
1861 break;
1862 case DBGFFLOWBBENDTYPE_UNCOND:
1863 cchHeight += 2; /* For the arrow down to the next basic block. */
1864 break;
1865 case DBGFFLOWBBENDTYPE_COND:
1866 cchHeight += 2; /* For the arrow down to the next basic block. */
1867 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1868 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1869 cchLeftExtra++;
1870 else
1871 cchRightExtra++;
1872 break;
1873 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1874 default:
1875 AssertFailed();
1876 }
1877 }
1878
1879 for (unsigned i = 0; i < cBranchTbls; i++)
1880 {
1881 PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl = &paDumpBranchTbl[i];
1882 cchWidth = RT_MAX(cchWidth, pDumpBranchTbl->cchWidth);
1883 cchHeight += pDumpBranchTbl->cchHeight;
1884 }
1885
1886 cchWidth += 2;
1887
1888 DBGCSCREEN hScreen = NULL;
1889 rc = dbgcScreenAsciiCreate(&hScreen, cchWidth + cchLeftExtra + cchRightExtra, cchHeight);
1890 if (RT_SUCCESS(rc))
1891 {
1892 uint32_t uY = 0;
1893
1894 /* Dump the branch tables first. */
1895 for (unsigned i = 0; i < cBranchTbls; i++)
1896 {
1897 paDumpBranchTbl[i].uStartX = cchLeftExtra + (cchWidth - paDumpBranchTbl[i].cchWidth) / 2;
1898 paDumpBranchTbl[i].uStartY = uY;
1899 dbgcCmdUnassembleCfgDumpBranchTbl(&paDumpBranchTbl[i], hScreen);
1900 uY += paDumpBranchTbl[i].cchHeight;
1901 }
1902
1903 /* Dump the basic blocks and connections to the immediate successor. */
1904 for (unsigned i = 0; i < cBbs; i++)
1905 {
1906 paDumpBb[i].uStartX = cchLeftExtra + (cchWidth - paDumpBb[i].cchWidth) / 2;
1907 paDumpBb[i].uStartY = uY;
1908 dbgcCmdUnassembleCfgDumpBb(&paDumpBb[i], hScreen);
1909 uY += paDumpBb[i].cchHeight;
1910
1911 /* Incomplete blocks don't have a successor. */
1912 if (DBGFR3FlowBbGetFlags(paDumpBb[i].hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1913 continue;
1914
1915 switch (DBGFR3FlowBbGetType(paDumpBb[i].hFlowBb))
1916 {
1917 case DBGFFLOWBBENDTYPE_EXIT:
1918 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1919 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1920 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1921 break;
1922 case DBGFFLOWBBENDTYPE_UNCOND:
1923 /* Draw the arrow down to the next block. */
1924 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1925 '|', DBGCSCREENCOLOR_BLUE_BRIGHT);
1926 uY++;
1927 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1928 'V', DBGCSCREENCOLOR_BLUE_BRIGHT);
1929 uY++;
1930 break;
1931 case DBGFFLOWBBENDTYPE_COND:
1932 /* Draw the arrow down to the next block. */
1933 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1934 '|', DBGCSCREENCOLOR_RED_BRIGHT);
1935 uY++;
1936 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1937 'V', DBGCSCREENCOLOR_RED_BRIGHT);
1938 uY++;
1939 break;
1940 default:
1941 AssertFailed();
1942 }
1943 }
1944
1945 /* Last pass, connect all remaining branches. */
1946 uint32_t uBackConns = 0;
1947 uint32_t uFwdConns = 0;
1948 for (unsigned i = 0; i < cBbs; i++)
1949 {
1950 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1951 DBGFFLOWBBENDTYPE enmEndType = DBGFR3FlowBbGetType(pDumpBb->hFlowBb);
1952
1953 /* Incomplete blocks don't have a successor. */
1954 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1955 continue;
1956
1957 switch (enmEndType)
1958 {
1959 case DBGFFLOWBBENDTYPE_EXIT:
1960 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1961 case DBGFFLOWBBENDTYPE_UNCOND:
1962 break;
1963 case DBGFFLOWBBENDTYPE_COND:
1964 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1965 {
1966 /* Find the target first to get the coordinates. */
1967 PDBGCFLOWBBDUMP pDumpBbTgt = NULL;
1968 for (unsigned idxDumpBb = 0; idxDumpBb < cBbs; idxDumpBb++)
1969 {
1970 pDumpBbTgt = &paDumpBb[idxDumpBb];
1971 if (dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBbTgt->AddrStart))
1972 break;
1973 }
1974
1975 DBGCSCREENCOLOR enmColor = enmEndType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1976 ? DBGCSCREENCOLOR_YELLOW_BRIGHT
1977 : DBGCSCREENCOLOR_GREEN_BRIGHT;
1978
1979 /*
1980 * Use the right side for targets with higher addresses,
1981 * left when jumping backwards.
1982 */
1983 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1984 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1985 {
1986 /* Going backwards. */
1987 uint32_t uXVerLine = /*cchLeftExtra - 1 -*/ uBackConns + 1;
1988 uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
1989 uBackConns++;
1990
1991 /* Draw the arrow pointing to the target block. */
1992 dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX - 1, pDumpBbTgt->uStartY,
1993 '>', enmColor);
1994 /* Draw the horizontal line. */
1995 dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBbTgt->uStartX - 2,
1996 pDumpBbTgt->uStartY, '-', enmColor);
1997 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
1998 enmColor);
1999 /* Draw the vertical line down to the source block. */
2000 dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, pDumpBbTgt->uStartY + 1, uYHorLine - 1,
2001 '|', enmColor);
2002 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
2003 /* Draw the horizontal connection between the source block and vertical part. */
2004 dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBb->uStartX - 1,
2005 uYHorLine, '-', enmColor);
2006
2007 }
2008 else
2009 {
2010 /* Going forward. */
2011 uint32_t uXVerLine = cchWidth + cchLeftExtra + (cchRightExtra - uFwdConns) - 1;
2012 uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
2013 uFwdConns++;
2014
2015 /* Draw the horizontal line. */
2016 dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBb->uStartX + pDumpBb->cchWidth,
2017 uXVerLine - 1, uYHorLine, '-', enmColor);
2018 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
2019 /* Draw the vertical line down to the target block. */
2020 dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, uYHorLine + 1, pDumpBbTgt->uStartY - 1,
2021 '|', enmColor);
2022 /* Draw the horizontal connection between the target block and vertical part. */
2023 dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
2024 uXVerLine, pDumpBbTgt->uStartY, '-', enmColor);
2025 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
2026 enmColor);
2027 /* Draw the arrow pointing to the target block. */
2028 dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
2029 pDumpBbTgt->uStartY, '<', enmColor);
2030 }
2031 break;
2032 }
2033 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
2034 default:
2035 AssertFailed();
2036 }
2037 }
2038
2039 rc = dbgcScreenAsciiBlit(hScreen, dbgcCmdUnassembleCfgBlit, pCmdHlp, fUseColor);
2040 dbgcScreenAsciiDestroy(hScreen);
2041 }
2042 }
2043
2044 if (paDumpBb)
2045 {
2046 for (unsigned i = 0; i < cBbs; i++)
2047 DBGFR3FlowBbRelease(paDumpBb[i].hFlowBb);
2048 RTMemTmpFree(paDumpBb);
2049 }
2050
2051 if (paDumpBranchTbl)
2052 {
2053 for (unsigned i = 0; i < cBranchTbls; i++)
2054 DBGFR3FlowBranchTblRelease(paDumpBranchTbl[i].hFlowBranchTbl);
2055 RTMemTmpFree(paDumpBranchTbl);
2056 }
2057
2058 if (hCfgIt)
2059 DBGFR3FlowItDestroy(hCfgIt);
2060 if (hFlowBranchTblIt)
2061 DBGFR3FlowBranchTblItDestroy(hFlowBranchTblIt);
2062
2063 return rc;
2064}
2065
2066
2067/**
2068 * @callback_method_impl{FNDBGCCMD, The 'ucfg' command.}
2069 */
2070static DECLCALLBACK(int) dbgcCmdUnassembleCfg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2071{
2072 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2073
2074 /*
2075 * Validate input.
2076 */
2077 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2078 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
2079 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
2080
2081 if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2082 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
2083
2084 /*
2085 * Check the desired mode.
2086 */
2087 unsigned fFlags = DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
2088 bool fUseColor = false;
2089 switch (pCmd->pszCmd[4])
2090 {
2091 default: AssertFailed(); RT_FALL_THRU();
2092 case '\0': fFlags |= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
2093 case '6': fFlags |= DBGF_DISAS_FLAGS_64BIT_MODE; break;
2094 case '3': fFlags |= DBGF_DISAS_FLAGS_32BIT_MODE; break;
2095 case '1': fFlags |= DBGF_DISAS_FLAGS_16BIT_MODE; break;
2096 case 'v': fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
2097 case 'c': fUseColor = true; break;
2098 }
2099
2100 /** @todo should use DBGFADDRESS for everything */
2101
2102 /*
2103 * Find address.
2104 */
2105 if (!cArgs)
2106 {
2107 if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2108 {
2109#if defined(VBOX_VMM_TARGET_ARMV8)
2110 AssertReleaseFailed();
2111#else
2112 /** @todo Batch query CS, RIP, CPU mode and flags. */
2113 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2114 if (CPUMIsGuestIn64BitCode(pVCpu))
2115 {
2116 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
2117 pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
2118 }
2119 else
2120 {
2121 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
2122 pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
2123 pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
2124 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
2125 && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
2126 {
2127 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2128 fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
2129 }
2130 }
2131#endif
2132
2133 fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST;
2134 }
2135 else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
2136 {
2137 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2138 fFlags |= pDbgc->fDisasm & DBGF_DISAS_FLAGS_MODE_MASK;
2139 }
2140 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
2141 }
2142 else
2143 pDbgc->DisasmPos = paArgs[0];
2144 pDbgc->pLastPos = &pDbgc->DisasmPos;
2145
2146 /*
2147 * Range.
2148 */
2149 switch (pDbgc->DisasmPos.enmRangeType)
2150 {
2151 case DBGCVAR_RANGE_NONE:
2152 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2153 pDbgc->DisasmPos.u64Range = 10;
2154 break;
2155
2156 case DBGCVAR_RANGE_ELEMENTS:
2157 if (pDbgc->DisasmPos.u64Range > 2048)
2158 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
2159 break;
2160
2161 case DBGCVAR_RANGE_BYTES:
2162 if (pDbgc->DisasmPos.u64Range > 65536)
2163 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
2164 break;
2165
2166 default:
2167 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
2168 }
2169
2170 int rc;
2171#if 0 /** @todo Unused right now. */
2172 /*
2173 * Convert physical and host addresses to guest addresses.
2174 */
2175 RTDBGAS hDbgAs = pDbgc->hDbgAs;
2176 switch (pDbgc->DisasmPos.enmType)
2177 {
2178 case DBGCVAR_TYPE_GC_FLAT:
2179 case DBGCVAR_TYPE_GC_FAR:
2180 break;
2181 case DBGCVAR_TYPE_GC_PHYS:
2182 hDbgAs = DBGF_AS_PHYS;
2183 RT_FALL_THRU();
2184 case DBGCVAR_TYPE_HC_FLAT:
2185 case DBGCVAR_TYPE_HC_PHYS:
2186 {
2187 DBGCVAR VarTmp;
2188 rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
2189 if (RT_FAILURE(rc))
2190 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
2191 pDbgc->DisasmPos = VarTmp;
2192 break;
2193 }
2194 default: AssertFailed(); break;
2195 }
2196#endif
2197
2198 DBGFADDRESS CurAddr;
2199 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
2200 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
2201 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
2202 else
2203 {
2204 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
2205 if (RT_FAILURE(rc))
2206 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
2207 }
2208
2209 DBGFFLOW hCfg;
2210 rc = DBGFR3FlowCreate(pUVM, pDbgc->idCpu, &CurAddr, 0 /*cbDisasmMax*/,
2211 DBGF_FLOW_CREATE_F_TRY_RESOLVE_INDIRECT_BRANCHES, fFlags, &hCfg);
2212 if (RT_SUCCESS(rc))
2213 {
2214 /* Dump the graph. */
2215 rc = dbgcCmdUnassembleCfgDump(hCfg, fUseColor, pCmdHlp);
2216 DBGFR3FlowRelease(hCfg);
2217 }
2218 else
2219 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowCreate failed on '%Dv'", &pDbgc->DisasmPos);
2220
2221 NOREF(pCmd);
2222 return rc;
2223}
2224
2225
2226/**
2227 * @callback_method_impl{FNDBGCCMD, The 'ls' command.}
2228 */
2229static DECLCALLBACK(int) dbgcCmdListSource(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2230{
2231 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2232
2233 /*
2234 * Validate input.
2235 */
2236 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
2237 if (cArgs == 1)
2238 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
2239 if (!pUVM && !cArgs && !DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2240 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start listing...");
2241 if (!pUVM && cArgs && DBGCVAR_ISGCPOINTER(paArgs[0].enmType))
2242 return DBGCCmdHlpFail(pCmdHlp, pCmd, "GC address but no VM");
2243
2244 /*
2245 * Find address.
2246 */
2247 if (!cArgs)
2248 {
2249 if (!DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2250 {
2251#if defined(VBOX_VMM_TARGET_ARMV8)
2252 AssertReleaseFailed();
2253#else
2254 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2255 pDbgc->SourcePos.enmType = DBGCVAR_TYPE_GC_FAR;
2256 pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
2257 pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
2258#endif
2259 }
2260 pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_NONE;
2261 }
2262 else
2263 pDbgc->SourcePos = paArgs[0];
2264 pDbgc->pLastPos = &pDbgc->SourcePos;
2265
2266 /*
2267 * Ensure the source address is flat GC.
2268 */
2269 switch (pDbgc->SourcePos.enmType)
2270 {
2271 case DBGCVAR_TYPE_GC_FLAT:
2272 break;
2273 case DBGCVAR_TYPE_GC_PHYS:
2274 case DBGCVAR_TYPE_GC_FAR:
2275 case DBGCVAR_TYPE_HC_FLAT:
2276 case DBGCVAR_TYPE_HC_PHYS:
2277 {
2278 int rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "%%(%Dv)", &pDbgc->SourcePos);
2279 if (RT_FAILURE(rc))
2280 return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid address or address type. (rc=%d)\n", rc);
2281 break;
2282 }
2283 default: AssertFailed(); break;
2284 }
2285
2286 /*
2287 * Range.
2288 */
2289 switch (pDbgc->SourcePos.enmRangeType)
2290 {
2291 case DBGCVAR_RANGE_NONE:
2292 pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2293 pDbgc->SourcePos.u64Range = 10;
2294 break;
2295
2296 case DBGCVAR_RANGE_ELEMENTS:
2297 if (pDbgc->SourcePos.u64Range > 2048)
2298 return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many lines requested. Max is 2048 lines.\n");
2299 break;
2300
2301 case DBGCVAR_RANGE_BYTES:
2302 if (pDbgc->SourcePos.u64Range > 65536)
2303 return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
2304 break;
2305
2306 default:
2307 return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->SourcePos.enmRangeType);
2308 }
2309
2310 /*
2311 * Do the disassembling.
2312 */
2313 bool fFirst = 1;
2314 RTDBGLINE LinePrev = { 0, 0, 0, 0, 0, "" };
2315 int iRangeLeft = (int)pDbgc->SourcePos.u64Range;
2316 if (iRangeLeft == 0) /* kludge for 'r'. */
2317 iRangeLeft = -1;
2318 for (;;)
2319 {
2320 /*
2321 * Get line info.
2322 */
2323 RTDBGLINE Line;
2324 RTGCINTPTR off;
2325 DBGFADDRESS SourcePosAddr;
2326 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->SourcePos, &SourcePosAddr);
2327 if (RT_FAILURE(rc))
2328 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%Dv)", &pDbgc->SourcePos);
2329 rc = DBGFR3AsLineByAddr(pUVM, pDbgc->hDbgAs, &SourcePosAddr, &off, &Line, NULL);
2330 if (RT_FAILURE(rc))
2331 return VINF_SUCCESS;
2332
2333 unsigned cLines = 0;
2334 if (memcmp(&Line, &LinePrev, sizeof(Line)))
2335 {
2336 /*
2337 * Print filenamename
2338 */
2339 if (!fFirst && strcmp(Line.szFilename, LinePrev.szFilename))
2340 fFirst = true;
2341 if (fFirst)
2342 {
2343 rc = DBGCCmdHlpPrintf(pCmdHlp, "[%s @ %d]\n", Line.szFilename, Line.uLineNo);
2344 if (RT_FAILURE(rc))
2345 return rc;
2346 }
2347
2348 /*
2349 * Try open the file and read the line.
2350 */
2351 FILE *phFile = fopen(Line.szFilename, "r");
2352 if (phFile)
2353 {
2354 /* Skip ahead to the desired line. */
2355 char szLine[4096];
2356 unsigned cBefore = fFirst ? RT_MIN(2, Line.uLineNo - 1) : Line.uLineNo - LinePrev.uLineNo - 1;
2357 if (cBefore > 7)
2358 cBefore = 0;
2359 unsigned cLeft = Line.uLineNo - cBefore;
2360 while (cLeft > 0)
2361 {
2362 szLine[0] = '\0';
2363 if (!fgets(szLine, sizeof(szLine), phFile))
2364 break;
2365 cLeft--;
2366 }
2367 if (!cLeft)
2368 {
2369 /* print the before lines */
2370 for (;;)
2371 {
2372 size_t cch = strlen(szLine);
2373 while (cch > 0 && (szLine[cch - 1] == '\r' || szLine[cch - 1] == '\n' || RT_C_IS_SPACE(szLine[cch - 1])) )
2374 szLine[--cch] = '\0';
2375 if (cBefore-- <= 0)
2376 break;
2377
2378 rc = DBGCCmdHlpPrintf(pCmdHlp, " %4d: %s\n", Line.uLineNo - cBefore - 1, szLine);
2379 szLine[0] = '\0';
2380 const char *pszShutUpGcc = fgets(szLine, sizeof(szLine), phFile); NOREF(pszShutUpGcc);
2381 cLines++;
2382 }
2383 /* print the actual line */
2384 rc = DBGCCmdHlpPrintf(pCmdHlp, "%08llx %4d: %s\n", Line.Address, Line.uLineNo, szLine);
2385 }
2386 fclose(phFile);
2387 if (RT_FAILURE(rc))
2388 return rc;
2389 fFirst = false;
2390 }
2391 else
2392 return DBGCCmdHlpPrintf(pCmdHlp, "Warning: couldn't open source file '%s'\n", Line.szFilename);
2393
2394 LinePrev = Line;
2395 }
2396
2397
2398 /*
2399 * Advance
2400 */
2401 if (iRangeLeft < 0) /* 'r' */
2402 break;
2403 if (pDbgc->SourcePos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
2404 iRangeLeft -= cLines;
2405 else
2406 iRangeLeft -= 1;
2407 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "(%Dv) + %x", &pDbgc->SourcePos, 1);
2408 if (RT_FAILURE(rc))
2409 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->SourcePos, 1);
2410 if (iRangeLeft <= 0)
2411 break;
2412 }
2413
2414 NOREF(pCmd);
2415 return 0;
2416}
2417
2418
2419/**
2420 * @callback_method_impl{FNDBGCCMD, The 'r' command.}
2421 */
2422static DECLCALLBACK(int) dbgcCmdReg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2423{
2424 return dbgcCmdRegGuest(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
2425}
2426
2427
2428/**
2429 * @callback_method_impl{FNDBGCCMD, Common worker for the dbgcCmdReg*()
2430 * commands.}
2431 */
2432static DECLCALLBACK(int) dbgcCmdRegCommon(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs,
2433 const char *pszPrefix)
2434{
2435 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2436 int rc;
2437 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 || cArgs == 2 || cArgs == 3);
2438 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING
2439 || paArgs[0].enmType == DBGCVAR_TYPE_SYMBOL);
2440
2441 /*
2442 * Parse the register name and kind.
2443 */
2444 bool const fAllRegs = strcmp(paArgs[0].u.pszString, "all") == 0;
2445 const char *pszReg = paArgs[0].u.pszString;
2446 if (*pszReg == '@')
2447 pszReg++;
2448 VMCPUID idCpu = pDbgc->idCpu;
2449 if (*pszPrefix)
2450 idCpu |= DBGFREG_HYPER_VMCPUID;
2451 if (*pszReg == '.')
2452 {
2453 pszReg++;
2454 idCpu |= DBGFREG_HYPER_VMCPUID;
2455 }
2456 const char * const pszActualPrefix = idCpu & DBGFREG_HYPER_VMCPUID ? "." : "";
2457 if (cArgs == 1)
2458 {
2459 /*
2460 * Show the register.
2461 *
2462 * If it ends with a '.' or '.*', we'll show any subfields and aliases as
2463 * well. This is a special VBox twist.
2464 */
2465 size_t cchReg = strlen(pszReg);
2466 size_t cchSuffix = 0;
2467 if (cchReg >= 2 && pszReg[cchReg - 1] == '.')
2468 cchSuffix = 1;
2469 else if (cchReg >= 3 && pszReg[cchReg - 1] == '*' && pszReg[cchReg - 2] == '.')
2470 cchSuffix = 2;
2471
2472 char szValue[160];
2473 if (!cchSuffix && !fAllRegs)
2474 {
2475 DBGFREGVALTYPE enmType;
2476 DBGFREGVAL Value;
2477 rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType);
2478 if (RT_FAILURE(rc))
2479 {
2480 if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
2481 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
2482 pszActualPrefix, pszReg);
2483 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n",
2484 pszActualPrefix, pszReg, rc);
2485 }
2486
2487 rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &Value, enmType, true /*fSpecial*/);
2488 if (RT_SUCCESS(rc))
2489 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, pszReg, szValue);
2490 else
2491 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2492 }
2493 else
2494 {
2495 /*
2496 * Register + aliases + subfields OR 'all'.
2497 */
2498 /* Duplicate the register specifier sans suffix. */
2499 char *pszRegBase = RTStrDupN(pszReg, cchReg - cchSuffix);
2500 AssertReturn(pszRegBase, VERR_NO_STR_MEMORY);
2501
2502 /* Make a rough guess on how many entires we need, or query it in the case of 'all'. */
2503 size_t cRegsAlloc = 128;
2504 if (fAllRegs)
2505 DBGFR3RegNmQueryAllCount(pUVM, &cRegsAlloc);
2506 PDBGFREGENTRYNM paRegs = (PDBGFREGENTRYNM)RTMemTmpAlloc(sizeof(paRegs[0]) * cRegsAlloc);
2507 AssertReturnStmt(paRegs, RTStrFree(pszRegBase), VERR_NO_TMP_MEMORY);
2508 size_t cRegs = cRegsAlloc;
2509
2510 /* Query the registers.*/
2511 if (fAllRegs)
2512 rc = DBGFR3RegNmQueryAll(pUVM, paRegs, cRegs);
2513 else
2514 rc = DBGFR3RegNmQueryEx(pUVM, idCpu, pszRegBase, DBGFR3REG_QUERY_EX_F_SUBFIELDS | DBGFR3REG_QUERY_EX_F_ALIASES,
2515 paRegs, &cRegs);
2516 if (rc == VERR_BUFFER_OVERFLOW && !fAllRegs)
2517 {
2518 RTMemTmpFree(paRegs);
2519 cRegsAlloc = cRegs;
2520 paRegs = (PDBGFREGENTRYNM)RTMemTmpAlloc(sizeof(paRegs[0]) * cRegsAlloc);
2521 AssertReturnStmt(paRegs, RTStrFree(pszRegBase), VERR_NO_TMP_MEMORY);
2522 rc = DBGFR3RegNmQueryEx(pUVM, idCpu, pszRegBase,
2523 DBGFR3REG_QUERY_EX_F_SUBFIELDS | DBGFR3REG_QUERY_EX_F_ALIASES, paRegs, &cRegs);
2524 }
2525 if (RT_SUCCESS(rc))
2526 {
2527 /* Find max lengths and sizes for producing pretty columns. */
2528 size_t cchMaxNm = 2;
2529 size_t cchMaxSubFieldNm = 2;
2530 size_t cMaxSubFieldBits = 1;
2531 if (*pszActualPrefix == '\0')
2532 for (uint32_t iReg = 0; iReg < cRegs; iReg++)
2533 {
2534 size_t const cchName = strlen(paRegs[iReg].pszName);
2535 if (cchMaxNm < cchName)
2536 cchMaxNm = cchName;
2537 if (paRegs[iReg].u.s.fSubField)
2538 {
2539 cchMaxSubFieldNm = RT_MAX(cchMaxSubFieldNm, cchName);
2540 cMaxSubFieldBits = RT_MAX(cMaxSubFieldBits, paRegs[iReg].u.s.cBits);
2541 }
2542 }
2543
2544 /* Output the registers. */
2545 size_t cchMaxSubFieldValue = 2 + (cMaxSubFieldBits + 3) / 4;
2546 size_t cMaxSameLine = 80 / (2 + cchMaxSubFieldNm + 1 + cchMaxSubFieldValue);
2547 unsigned iSameLine = 0;
2548 for (uint32_t iReg = 0; iReg < cRegs; iReg++)
2549 {
2550 if ( !paRegs[iReg].u.s.fSubField
2551 || !paRegs[iReg].u.s.cBits)
2552 rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &paRegs[iReg].Val,
2553 paRegs[iReg].enmType, true /*fSpecial*/);
2554 else
2555 rc = DBGFR3RegFormatValueEx(szValue, sizeof(szValue), &paRegs[iReg].Val, paRegs[iReg].enmType,
2556 16,
2557 (paRegs[iReg].u.s.cBits + 3) / 4,
2558 0,
2559 (paRegs[iReg].u.s.cBits == 1 ? 0 : RTSTR_F_SPECIAL) | RTSTR_F_WIDTH);
2560 if (RT_SUCCESS(rc))
2561 {
2562 if (!paRegs[iReg].u.s.fSubField)
2563 {
2564 if (iSameLine > 0)
2565 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2566 if (*pszActualPrefix == '\0')
2567 rc = DBGCCmdHlpPrintf(pCmdHlp, "%*s=%s\n", cchMaxNm, paRegs[iReg].pszName, szValue);
2568 else
2569 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, paRegs[iReg].pszName, szValue);
2570 iSameLine = 0;
2571 }
2572 else
2573 {
2574 if (*pszActualPrefix == '\0')
2575 rc = DBGCCmdHlpPrintf(pCmdHlp, " %*s=%s", cchMaxSubFieldNm, paRegs[iReg].pszName, szValue);
2576 else
2577 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s%s=%s", pszActualPrefix, paRegs[iReg].pszName, szValue);
2578 iSameLine++;
2579 if (iSameLine < cMaxSameLine)
2580 {
2581 size_t cchValue = strlen(szValue);
2582 if (cchValue < cchMaxSubFieldValue)
2583 rc = DBGCCmdHlpPrintf(pCmdHlp, "%*s", cchMaxSubFieldValue - cchValue, "");
2584 }
2585 else
2586 {
2587 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2588 iSameLine = 0;
2589 }
2590 }
2591 }
2592 else
2593 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue[Ex] failed for %s: %Rrc.\n",
2594 paRegs[iReg].pszName, rc);
2595 }
2596 if (iSameLine > 0)
2597 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2598 }
2599 else if (fAllRegs)
2600 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQueryAll failed: %Rrc.\n", rc);
2601 else if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
2602 rc = DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
2603 pszActualPrefix, pszRegBase);
2604 else
2605 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQueryEx failed querying '%s%s': %Rrc.\n",
2606 pszActualPrefix, pszRegBase, rc);
2607 RTStrFree(pszRegBase);
2608 RTMemTmpFree(paRegs);
2609 }
2610 }
2611 else
2612 {
2613 /*
2614 * We're about to modify the register.
2615 *
2616 * First we need to query the register type (see below).
2617 */
2618 DBGFREGVALTYPE enmType;
2619 DBGFREGVAL Value;
2620 rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType);
2621 if (RT_FAILURE(rc))
2622 {
2623 if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
2624 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
2625 pszActualPrefix, pszReg);
2626 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n",
2627 pszActualPrefix, pszReg, rc);
2628 }
2629
2630 DBGCVAR NewValueTmp;
2631 PCDBGCVAR pNewValue;
2632 if (cArgs == 3)
2633 {
2634 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, paArgs[1].enmType == DBGCVAR_TYPE_STRING);
2635 if (strcmp(paArgs[1].u.pszString, "="))
2636 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Second argument must be '='.");
2637 pNewValue = &paArgs[2];
2638 }
2639 else
2640 {
2641 /* Not possible to convince the parser to support both codeview and
2642 windbg syntax and make the equal sign optional. Try help it. */
2643 /** @todo make DBGCCmdHlpConvert do more with strings. */
2644 rc = DBGCCmdHlpConvert(pCmdHlp, &paArgs[1], DBGCVAR_TYPE_NUMBER, true /*fConvSyms*/, &NewValueTmp);
2645 if (RT_FAILURE(rc))
2646 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "The last argument must be a value or valid symbol.");
2647 pNewValue = &NewValueTmp;
2648 }
2649
2650 /*
2651 * Modify the register.
2652 */
2653 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, pNewValue->enmType == DBGCVAR_TYPE_NUMBER);
2654 if (enmType != DBGFREGVALTYPE_DTR)
2655 {
2656 enmType = DBGFREGVALTYPE_U64;
2657 rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.u64);
2658 }
2659 else
2660 {
2661 enmType = DBGFREGVALTYPE_DTR;
2662 rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.dtr.u64Base);
2663 if (RT_SUCCESS(rc) && pNewValue->enmRangeType != DBGCVAR_RANGE_NONE)
2664 Value.dtr.u32Limit = (uint32_t)pNewValue->u64Range;
2665 }
2666 if (RT_SUCCESS(rc))
2667 {
2668 rc = DBGFR3RegNmSet(pUVM, idCpu, pszReg, &Value, enmType);
2669 if (RT_FAILURE(rc))
2670 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmSet failed settings '%s%s': %Rrc\n",
2671 pszActualPrefix, pszReg, rc);
2672 if (rc != VINF_SUCCESS)
2673 DBGCCmdHlpPrintf(pCmdHlp, "%s: warning: %Rrc\n", pCmd->pszCmd, rc);
2674 }
2675 else
2676 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2677 }
2678 return rc;
2679}
2680
2681
2682/**
2683 * @callback_method_impl{FNDBGCCMD,
2684 * The 'rg'\, 'rg64' and 'rg32' commands\, worker for 'r'.}
2685 */
2686static DECLCALLBACK(int) dbgcCmdRegGuest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2687{
2688 /*
2689 * Show all registers our selves.
2690 */
2691 if (cArgs == 0)
2692 {
2693 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2694 bool const f64BitMode = !strcmp(pCmd->pszCmd, "rg64")
2695 || ( strcmp(pCmd->pszCmd, "rg32") != 0
2696 && DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu));
2697 return DBGCCmdHlpRegPrintf(pCmdHlp, pDbgc->idCpu, f64BitMode, pDbgc->fRegTerse);
2698 }
2699 return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, "");
2700}
2701
2702
2703/**
2704 * @callback_method_impl{FNDBGCCMD, The 'rt' command.}
2705 */
2706static DECLCALLBACK(int) dbgcCmdRegTerse(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2707{
2708 NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2709
2710 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2711 pDbgc->fRegTerse = !pDbgc->fRegTerse;
2712 return DBGCCmdHlpPrintf(pCmdHlp, pDbgc->fRegTerse ? "info: Terse register info.\n" : "info: Verbose register info.\n");
2713}
2714
2715
2716/**
2717 * @callback_method_impl{FNDBGCCMD, The 'pr' and 'tr' commands.}
2718 */
2719static DECLCALLBACK(int) dbgcCmdStepTraceToggle(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2720{
2721 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2722 Assert(cArgs == 0); NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2723
2724 /* Note! windbg accepts 'r' as a flag to 'p', 'pa', 'pc', 'pt', 't',
2725 'ta', 'tc' and 'tt'. We've simplified it. */
2726 pDbgc->fStepTraceRegs = !pDbgc->fStepTraceRegs;
2727 return VINF_SUCCESS;
2728}
2729
2730
2731/**
2732 * @callback_method_impl{FNDBGCCMD, The 'p'\, 'pc'\, 'pt'\, 't'\, 'tc'\, and 'tt' commands.}
2733 */
2734static DECLCALLBACK(int) dbgcCmdStepTrace(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2735{
2736 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2737 if (cArgs != 0)
2738 return DBGCCmdHlpFail(pCmdHlp, pCmd,
2739 "Sorry, but the '%s' command does not currently implement any arguments.\n", pCmd->pszCmd);
2740
2741 /* The 'count' has to be implemented by DBGC, whereas the
2742 filtering is taken care of by DBGF. */
2743
2744 /*
2745 * Convert the command to DBGF_STEP_F_XXX and other API input.
2746 */
2747 //DBGFADDRESS StackPop;
2748 PDBGFADDRESS pStackPop = NULL;
2749 RTGCPTR cbStackPop = 0;
2750 uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : _64K;
2751 uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2752 if (pCmd->pszCmd[1] == 'c')
2753 fFlags |= DBGF_STEP_F_STOP_ON_CALL;
2754 else if (pCmd->pszCmd[1] == 't')
2755 fFlags |= DBGF_STEP_F_STOP_ON_RET;
2756 else if (pCmd->pszCmd[0] != 'p')
2757 cMaxSteps = 1;
2758 else
2759 {
2760 /** @todo consider passing RSP + 1 in for 'p' and something else sensible for
2761 * the 'pt' command. */
2762 }
2763
2764 int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, NULL, pStackPop, cbStackPop, cMaxSteps);
2765 if (RT_SUCCESS(rc))
2766 pDbgc->fReady = false;
2767 else
2768 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2769
2770 NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
2771 return rc;
2772}
2773
2774
2775/**
2776 * @callback_method_impl{FNDBGCCMD, The 'pa' and 'ta' commands.}
2777 */
2778static DECLCALLBACK(int) dbgcCmdStepTraceTo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2779{
2780 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2781 if (cArgs != 1)
2782 return DBGCCmdHlpFail(pCmdHlp, pCmd,
2783 "Sorry, but the '%s' command only implements a single argument at present.\n", pCmd->pszCmd);
2784 DBGFADDRESS Address;
2785 int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
2786 if (RT_FAILURE(rc))
2787 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[0]);
2788
2789 uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : 1;
2790 uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2791 rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, &Address, NULL, 0, cMaxSteps);
2792 if (RT_SUCCESS(rc))
2793 pDbgc->fReady = false;
2794 else
2795 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2796 return rc;
2797}
2798
2799
2800/**
2801 * Helper that tries to resolve a far address to a symbol and formats it.
2802 *
2803 * @returns Pointer to symbol string on success, NULL if not resolved.
2804 * Free using RTStrFree.
2805 * @param pCmdHlp The command helper structure.
2806 * @param hAs The address space to use. NIL_RTDBGAS means no symbol resolving.
2807 * @param sel The selector part of the address.
2808 * @param off The offset part of the address.
2809 * @param pszPrefix How to prefix the symbol string.
2810 * @param pszSuffix How to suffix the symbol string.
2811 */
2812static char *dbgcCmdHlpFarAddrToSymbol(PDBGCCMDHLP pCmdHlp, RTDBGAS hAs, RTSEL sel, uint64_t off,
2813 const char *pszPrefix, const char *pszSuffix)
2814{
2815 char *pszRet = NULL;
2816 if (hAs != NIL_RTDBGAS)
2817 {
2818 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2819 DBGFADDRESS Addr;
2820 int rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr, sel, off);
2821 if (RT_SUCCESS(rc))
2822 {
2823 RTGCINTPTR offDispSym = 0;
2824 PRTDBGSYMBOL pSymbol = DBGFR3AsSymbolByAddrA(pDbgc->pUVM, hAs, &Addr,
2825 RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL
2826 | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
2827 &offDispSym, NULL);
2828 if (pSymbol)
2829 {
2830 if (offDispSym == 0)
2831 pszRet = RTStrAPrintf2("%s%s%s", pszPrefix, pSymbol->szName, pszSuffix);
2832 else if (offDispSym > 0)
2833 pszRet = RTStrAPrintf2("%s%s+%llx%s", pszPrefix, pSymbol->szName, (int64_t)offDispSym, pszSuffix);
2834 else
2835 pszRet = RTStrAPrintf2("%s%s-%llx%s", pszPrefix, pSymbol->szName, -(int64_t)offDispSym, pszSuffix);
2836 RTDbgSymbolFree(pSymbol);
2837 }
2838 }
2839 }
2840 return pszRet;
2841}
2842
2843
2844/**
2845 * @callback_method_impl{FNDBGCCMD, The 'k'\, 'kg' and 'kh' commands.}
2846 */
2847static DECLCALLBACK(int) dbgcCmdStack(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2848{
2849 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2850
2851 /*
2852 * Figure which context we're called for and start walking that stack.
2853 */
2854 int rc;
2855 PCDBGFSTACKFRAME pFirstFrame;
2856 bool const fGuest = true;
2857 bool const fVerbose = pCmd->pszCmd[1] == 'v'
2858 || (pCmd->pszCmd[1] != '\0' && pCmd->pszCmd[2] == 'v');
2859 rc = DBGFR3StackWalkBegin(pUVM, pDbgc->idCpu, fGuest ? DBGFCODETYPE_GUEST : DBGFCODETYPE_HYPER, &pFirstFrame);
2860 if (RT_FAILURE(rc))
2861 return DBGCCmdHlpPrintf(pCmdHlp, "Failed to begin stack walk, rc=%Rrc\n", rc);
2862
2863 /*
2864 * Print the frames.
2865 */
2866 char szTmp[1024];
2867 uint32_t fBitFlags = 0;
2868 for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
2869 pFrame;
2870 pFrame = DBGFR3StackWalkNext(pFrame))
2871 {
2872 uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT | DBGFSTACKFRAME_FLAGS_32BIT | DBGFSTACKFRAME_FLAGS_64BIT);
2873 if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
2874 {
2875 if (fCurBitFlags != fBitFlags)
2876 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2877 rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2878 pFrame->iFrame,
2879 pFrame->AddrFrame.Sel,
2880 (uint16_t)pFrame->AddrFrame.off,
2881 pFrame->AddrReturnFrame.Sel,
2882 (uint16_t)pFrame->AddrReturnFrame.off,
2883 (uint32_t)pFrame->AddrReturnPC.Sel,
2884 (uint32_t)pFrame->AddrReturnPC.off,
2885 pFrame->Args.au32[0],
2886 pFrame->Args.au32[1],
2887 pFrame->Args.au32[2],
2888 pFrame->Args.au32[3]);
2889 }
2890 else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
2891 {
2892 if (fCurBitFlags != fBitFlags)
2893 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2894 rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2895 pFrame->iFrame,
2896 (uint32_t)pFrame->AddrFrame.off,
2897 (uint32_t)pFrame->AddrReturnFrame.off,
2898 (uint32_t)pFrame->AddrReturnPC.Sel,
2899 (uint32_t)pFrame->AddrReturnPC.off,
2900 pFrame->Args.au32[0],
2901 pFrame->Args.au32[1],
2902 pFrame->Args.au32[2],
2903 pFrame->Args.au32[3]);
2904 }
2905 else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
2906 {
2907 if (fCurBitFlags != fBitFlags)
2908 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
2909 rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %016RX64 %04RX16:%016RX64 %016RX64",
2910 pFrame->iFrame,
2911 (uint64_t)pFrame->AddrFrame.off,
2912 pFrame->AddrReturnFrame.Sel,
2913 (uint64_t)pFrame->AddrReturnFrame.off,
2914 (uint64_t)pFrame->AddrReturnPC.off);
2915 }
2916 if (RT_FAILURE(rc))
2917 break;
2918 if (!pFrame->pSymPC)
2919 rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
2920 fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
2921 ? " %RTsel:%016RGv"
2922 : fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
2923 ? " %RTsel:%08RGv"
2924 : " %RTsel:%04RGv"
2925 , pFrame->AddrPC.Sel, pFrame->AddrPC.off);
2926 else
2927 {
2928 RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
2929 if (offDisp > 0)
2930 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
2931 else if (offDisp < 0)
2932 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
2933 else
2934 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", pFrame->pSymPC->szName);
2935 }
2936 if (RT_SUCCESS(rc) && pFrame->pLinePC)
2937 rc = DBGCCmdHlpPrintf(pCmdHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
2938 if (RT_SUCCESS(rc))
2939 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2940
2941 if (fVerbose && RT_SUCCESS(rc))
2942 {
2943 /*
2944 * Display verbose frame info.
2945 */
2946 const char *pszRetType = "invalid";
2947 switch (pFrame->enmReturnType)
2948 {
2949 case RTDBGRETURNTYPE_NEAR16: pszRetType = "retn/16"; break;
2950 case RTDBGRETURNTYPE_NEAR32: pszRetType = "retn/32"; break;
2951 case RTDBGRETURNTYPE_NEAR64: pszRetType = "retn/64"; break;
2952 case RTDBGRETURNTYPE_FAR16: pszRetType = "retf/16"; break;
2953 case RTDBGRETURNTYPE_FAR32: pszRetType = "retf/32"; break;
2954 case RTDBGRETURNTYPE_FAR64: pszRetType = "retf/64"; break;
2955 case RTDBGRETURNTYPE_IRET16: pszRetType = "iret-16"; break;
2956 case RTDBGRETURNTYPE_IRET32: pszRetType = "iret/32s"; break;
2957 case RTDBGRETURNTYPE_IRET32_PRIV: pszRetType = "iret/32p"; break;
2958 case RTDBGRETURNTYPE_IRET32_V86: pszRetType = "iret/v86"; break;
2959 case RTDBGRETURNTYPE_IRET64: pszRetType = "iret/64"; break;
2960
2961 case RTDBGRETURNTYPE_END:
2962 case RTDBGRETURNTYPE_INVALID:
2963 case RTDBGRETURNTYPE_32BIT_HACK:
2964 break;
2965 }
2966 size_t cchLine = DBGCCmdHlpPrintfLen(pCmdHlp, " %s", pszRetType);
2967 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_UNWIND_INFO)
2968 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-unwind-info");
2969 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_ODD_EVEN)
2970 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-odd-even");
2971 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_REAL_V86)
2972 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " real-v86");
2973 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_MAX_DEPTH)
2974 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " max-depth");
2975 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_TRAP_FRAME)
2976 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " trap-frame");
2977
2978 if (pFrame->cSureRegs > 0)
2979 {
2980 cchLine = 1024; /* force new line */
2981 for (uint32_t i = 0; i < pFrame->cSureRegs; i++)
2982 {
2983 if (cchLine > 80)
2984 {
2985 DBGCCmdHlpPrintf(pCmdHlp, "\n ");
2986 cchLine = 2;
2987 }
2988
2989 szTmp[0] = '\0';
2990 DBGFR3RegFormatValue(szTmp, sizeof(szTmp), &pFrame->paSureRegs[i].Value,
2991 pFrame->paSureRegs[i].enmType, false);
2992 const char *pszName = pFrame->paSureRegs[i].enmReg != DBGFREG_END
2993 ? DBGFR3RegCpuName(pUVM, pFrame->paSureRegs[i].enmReg, pFrame->paSureRegs[i].enmType)
2994 : pFrame->paSureRegs[i].pszName;
2995 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " %s=%s", pszName, szTmp);
2996 }
2997 }
2998
2999 if (RT_SUCCESS(rc))
3000 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3001 }
3002
3003 if (RT_FAILURE(rc))
3004 break;
3005
3006 fBitFlags = fCurBitFlags;
3007 }
3008
3009 DBGFR3StackWalkEnd(pFirstFrame);
3010
3011 NOREF(paArgs); NOREF(cArgs);
3012 return rc;
3013}
3014
3015
3016/**
3017 * Worker function that displays one descriptor entry (GDT, LDT, IDT).
3018 *
3019 * @returns pfnPrintf status code.
3020 * @param pCmdHlp The DBGC command helpers.
3021 * @param pDesc The descriptor to display.
3022 * @param iEntry The descriptor entry number.
3023 * @param fHyper Whether the selector belongs to the hypervisor or not.
3024 * @param hAs Address space to use when resolving symbols.
3025 * @param pfDblEntry Where to indicate whether the entry is two entries wide.
3026 * Optional.
3027 */
3028static int dbgcCmdDumpDTWorker64(PDBGCCMDHLP pCmdHlp, PCX86DESC64 pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs,
3029 bool *pfDblEntry)
3030{
3031 /* GUEST64 */
3032 int rc;
3033
3034 const char *pszHyper = fHyper ? " HYPER" : "";
3035 const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
3036 if (pDesc->Gen.u1DescType)
3037 {
3038 static const char * const s_apszTypes[] =
3039 {
3040 "DataRO", /* 0 Read-Only */
3041 "DataRO", /* 1 Read-Only - Accessed */
3042 "DataRW", /* 2 Read/Write */
3043 "DataRW", /* 3 Read/Write - Accessed */
3044 "DownRO", /* 4 Expand-down, Read-Only */
3045 "DownRO", /* 5 Expand-down, Read-Only - Accessed */
3046 "DownRW", /* 6 Expand-down, Read/Write */
3047 "DownRW", /* 7 Expand-down, Read/Write - Accessed */
3048 "CodeEO", /* 8 Execute-Only */
3049 "CodeEO", /* 9 Execute-Only - Accessed */
3050 "CodeER", /* A Execute/Readable */
3051 "CodeER", /* B Execute/Readable - Accessed */
3052 "ConfE0", /* C Conforming, Execute-Only */
3053 "ConfE0", /* D Conforming, Execute-Only - Accessed */
3054 "ConfER", /* E Conforming, Execute/Readable */
3055 "ConfER" /* F Conforming, Execute/Readable - Accessed */
3056 };
3057 const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
3058 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3059 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3060 uint32_t u32Base = X86DESC_BASE(pDesc);
3061 uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
3062
3063 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
3064 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3065 pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
3066 pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
3067 }
3068 else
3069 {
3070 static const char * const s_apszTypes[] =
3071 {
3072 "Ill-0 ", /* 0 0000 Reserved (Illegal) */
3073 "Ill-1 ", /* 1 0001 Available 16-bit TSS */
3074 "LDT ", /* 2 0010 LDT */
3075 "Ill-3 ", /* 3 0011 Busy 16-bit TSS */
3076 "Ill-4 ", /* 4 0100 16-bit Call Gate */
3077 "Ill-5 ", /* 5 0101 Task Gate */
3078 "Ill-6 ", /* 6 0110 16-bit Interrupt Gate */
3079 "Ill-7 ", /* 7 0111 16-bit Trap Gate */
3080 "Ill-8 ", /* 8 1000 Reserved (Illegal) */
3081 "Tss64A", /* 9 1001 Available 32-bit TSS */
3082 "Ill-A ", /* A 1010 Reserved (Illegal) */
3083 "Tss64B", /* B 1011 Busy 32-bit TSS */
3084 "Call64", /* C 1100 32-bit Call Gate */
3085 "Ill-D ", /* D 1101 Reserved (Illegal) */
3086 "Int64 ", /* E 1110 32-bit Interrupt Gate */
3087 "Trap64" /* F 1111 32-bit Trap Gate */
3088 };
3089 switch (pDesc->Gen.u4Type)
3090 {
3091 /* raw */
3092 case X86_SEL_TYPE_SYS_UNDEFINED:
3093 case X86_SEL_TYPE_SYS_UNDEFINED2:
3094 case X86_SEL_TYPE_SYS_UNDEFINED4:
3095 case X86_SEL_TYPE_SYS_UNDEFINED3:
3096 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
3097 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
3098 case X86_SEL_TYPE_SYS_286_CALL_GATE:
3099 case X86_SEL_TYPE_SYS_286_INT_GATE:
3100 case X86_SEL_TYPE_SYS_286_TRAP_GATE:
3101 case X86_SEL_TYPE_SYS_TASK_GATE:
3102 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
3103 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
3104 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3105 break;
3106
3107 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
3108 case X86_SEL_TYPE_SYS_386_TSS_BUSY:
3109 case X86_SEL_TYPE_SYS_LDT:
3110 {
3111 const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
3112 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3113 const char *pszLong = pDesc->Gen.u1Long ? "LONG" : " ";
3114
3115 uint64_t u64Base = X86DESC64_BASE(pDesc);
3116 uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
3117
3118 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%016RX64 Lim=%08x DPL=%d %s %s %s %sAVL=%d R=%d%s\n",
3119 iEntry, s_apszTypes[pDesc->Gen.u4Type], u64Base, cbLimit,
3120 pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszLong, pszBig,
3121 pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1),
3122 pszHyper);
3123 if (pfDblEntry)
3124 *pfDblEntry = true;
3125 break;
3126 }
3127
3128 case X86_SEL_TYPE_SYS_386_CALL_GATE:
3129 {
3130 unsigned cParams = pDesc->au8[4] & 0x1f;
3131 const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
3132 RTSEL sel = pDesc->au16[1];
3133 uint64_t off = pDesc->au16[0]
3134 | ((uint64_t)pDesc->au16[3] << 16)
3135 | ((uint64_t)pDesc->Gen.u32BaseHigh3 << 32);
3136 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3137 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%d %s %s=%d%s%s\n",
3138 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3139 pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : "");
3140 RTStrFree(pszSymbol);
3141 if (pfDblEntry)
3142 *pfDblEntry = true;
3143 break;
3144 }
3145
3146 case X86_SEL_TYPE_SYS_386_INT_GATE:
3147 case X86_SEL_TYPE_SYS_386_TRAP_GATE:
3148 {
3149 RTSEL sel = pDesc->Gate.u16Sel;
3150 uint64_t off = pDesc->Gate.u16OffsetLow
3151 | ((uint64_t)pDesc->Gate.u16OffsetHigh << 16)
3152 | ((uint64_t)pDesc->Gate.u32OffsetTop << 32);
3153 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3154 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%u %s IST=%u%s%s\n",
3155 iEntry, s_apszTypes[pDesc->Gate.u4Type], sel, off,
3156 pDesc->Gate.u2Dpl, pszPresent, pDesc->Gate.u3IST, pszHyper, pszSymbol ? pszSymbol : "");
3157 RTStrFree(pszSymbol);
3158 if (pfDblEntry)
3159 *pfDblEntry = true;
3160 break;
3161 }
3162
3163 /* impossible, just it's necessary to keep gcc happy. */
3164 default:
3165 return VINF_SUCCESS;
3166 }
3167 }
3168 return rc;
3169}
3170
3171
3172/**
3173 * Worker function that displays one descriptor entry (GDT, LDT, IDT).
3174 *
3175 * @returns pfnPrintf status code.
3176 * @param pCmdHlp The DBGC command helpers.
3177 * @param pDesc The descriptor to display.
3178 * @param iEntry The descriptor entry number.
3179 * @param fHyper Whether the selector belongs to the hypervisor or not.
3180 * @param hAs Address space to use when resolving symbols.
3181 */
3182static int dbgcCmdDumpDTWorker32(PDBGCCMDHLP pCmdHlp, PCX86DESC pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs)
3183{
3184 int rc;
3185
3186 const char *pszHyper = fHyper ? " HYPER" : "";
3187 const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
3188 if (pDesc->Gen.u1DescType)
3189 {
3190 static const char * const s_apszTypes[] =
3191 {
3192 "DataRO", /* 0 Read-Only */
3193 "DataRO", /* 1 Read-Only - Accessed */
3194 "DataRW", /* 2 Read/Write */
3195 "DataRW", /* 3 Read/Write - Accessed */
3196 "DownRO", /* 4 Expand-down, Read-Only */
3197 "DownRO", /* 5 Expand-down, Read-Only - Accessed */
3198 "DownRW", /* 6 Expand-down, Read/Write */
3199 "DownRW", /* 7 Expand-down, Read/Write - Accessed */
3200 "CodeEO", /* 8 Execute-Only */
3201 "CodeEO", /* 9 Execute-Only - Accessed */
3202 "CodeER", /* A Execute/Readable */
3203 "CodeER", /* B Execute/Readable - Accessed */
3204 "ConfE0", /* C Conforming, Execute-Only */
3205 "ConfE0", /* D Conforming, Execute-Only - Accessed */
3206 "ConfER", /* E Conforming, Execute/Readable */
3207 "ConfER" /* F Conforming, Execute/Readable - Accessed */
3208 };
3209 const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
3210 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3211 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3212 uint32_t u32Base = pDesc->Gen.u16BaseLow
3213 | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3214 | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3215 uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16);
3216 if (pDesc->Gen.u1Granularity)
3217 cbLimit <<= GUEST_PAGE_SHIFT;
3218
3219 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
3220 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3221 pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
3222 pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
3223 }
3224 else
3225 {
3226 static const char * const s_apszTypes[] =
3227 {
3228 "Ill-0 ", /* 0 0000 Reserved (Illegal) */
3229 "Tss16A", /* 1 0001 Available 16-bit TSS */
3230 "LDT ", /* 2 0010 LDT */
3231 "Tss16B", /* 3 0011 Busy 16-bit TSS */
3232 "Call16", /* 4 0100 16-bit Call Gate */
3233 "TaskG ", /* 5 0101 Task Gate */
3234 "Int16 ", /* 6 0110 16-bit Interrupt Gate */
3235 "Trap16", /* 7 0111 16-bit Trap Gate */
3236 "Ill-8 ", /* 8 1000 Reserved (Illegal) */
3237 "Tss32A", /* 9 1001 Available 32-bit TSS */
3238 "Ill-A ", /* A 1010 Reserved (Illegal) */
3239 "Tss32B", /* B 1011 Busy 32-bit TSS */
3240 "Call32", /* C 1100 32-bit Call Gate */
3241 "Ill-D ", /* D 1101 Reserved (Illegal) */
3242 "Int32 ", /* E 1110 32-bit Interrupt Gate */
3243 "Trap32" /* F 1111 32-bit Trap Gate */
3244 };
3245 switch (pDesc->Gen.u4Type)
3246 {
3247 /* raw */
3248 case X86_SEL_TYPE_SYS_UNDEFINED:
3249 case X86_SEL_TYPE_SYS_UNDEFINED2:
3250 case X86_SEL_TYPE_SYS_UNDEFINED4:
3251 case X86_SEL_TYPE_SYS_UNDEFINED3:
3252 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
3253 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
3254 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3255 break;
3256
3257 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
3258 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
3259 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
3260 case X86_SEL_TYPE_SYS_386_TSS_BUSY:
3261 case X86_SEL_TYPE_SYS_LDT:
3262 {
3263 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3264 const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
3265 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3266 uint32_t u32Base = pDesc->Gen.u16BaseLow
3267 | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3268 | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3269 uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16);
3270 if (pDesc->Gen.u1Granularity)
3271 cbLimit <<= GUEST_PAGE_SHIFT;
3272
3273 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d R=%d%s\n",
3274 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3275 pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszGranularity, pszBig,
3276 pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1),
3277 pszHyper);
3278 break;
3279 }
3280
3281 case X86_SEL_TYPE_SYS_TASK_GATE:
3282 {
3283 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s TSS=%04x DPL=%d %s%s\n",
3284 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc->au16[1],
3285 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3286 break;
3287 }
3288
3289 case X86_SEL_TYPE_SYS_286_CALL_GATE:
3290 case X86_SEL_TYPE_SYS_386_CALL_GATE:
3291 {
3292 unsigned cParams = pDesc->au8[4] & 0x1f;
3293 const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
3294 RTSEL sel = pDesc->au16[1];
3295 uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16);
3296 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3297 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s %s=%d%s%s\n",
3298 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3299 pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : "");
3300 RTStrFree(pszSymbol);
3301 break;
3302 }
3303
3304 case X86_SEL_TYPE_SYS_286_INT_GATE:
3305 case X86_SEL_TYPE_SYS_386_INT_GATE:
3306 case X86_SEL_TYPE_SYS_286_TRAP_GATE:
3307 case X86_SEL_TYPE_SYS_386_TRAP_GATE:
3308 {
3309 RTSEL sel = pDesc->au16[1];
3310 uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16);
3311 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3312 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s%s%s\n",
3313 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3314 pDesc->Gen.u2Dpl, pszPresent, pszHyper, pszSymbol ? pszSymbol : "");
3315 RTStrFree(pszSymbol);
3316 break;
3317 }
3318
3319 /* impossible, just it's necessary to keep gcc happy. */
3320 default:
3321 return VINF_SUCCESS;
3322 }
3323 }
3324 return rc;
3325}
3326
3327
3328/**
3329 * @callback_method_impl{FNDBGCCMD, The 'dg'\, 'dga'\, 'dl' and 'dla' commands.}
3330 */
3331static DECLCALLBACK(int) dbgcCmdDumpDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3332{
3333 /*
3334 * Validate input.
3335 */
3336 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3337
3338 /*
3339 * Get the CPU mode, check which command variation this is
3340 * and fix a default parameter if needed.
3341 */
3342 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3343 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
3344 CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
3345 bool fGdt = pCmd->pszCmd[1] == 'g';
3346 bool fAll = pCmd->pszCmd[2] == 'a';
3347 RTSEL SelTable = fGdt ? 0 : X86_SEL_LDT;
3348
3349 DBGCVAR Var;
3350 if (!cArgs)
3351 {
3352 cArgs = 1;
3353 paArgs = &Var;
3354 Var.enmType = DBGCVAR_TYPE_NUMBER;
3355 Var.u.u64Number = fGdt ? 0 : 4;
3356 Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3357 Var.u64Range = 1024;
3358 }
3359
3360 /*
3361 * Process the arguments.
3362 */
3363 for (unsigned i = 0; i < cArgs; i++)
3364 {
3365 /*
3366 * Retrieve the selector value from the argument.
3367 * The parser may confuse pointers and numbers if more than one
3368 * argument is given, that that into account.
3369 */
3370 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER || DBGCVAR_ISPOINTER(paArgs[i].enmType));
3371 uint64_t u64;
3372 unsigned cSels = 1;
3373 switch (paArgs[i].enmType)
3374 {
3375 case DBGCVAR_TYPE_NUMBER:
3376 u64 = paArgs[i].u.u64Number;
3377 if (paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE)
3378 cSels = RT_MIN(paArgs[i].u64Range, 1024);
3379 break;
3380 case DBGCVAR_TYPE_GC_FAR: u64 = paArgs[i].u.GCFar.sel; break;
3381 case DBGCVAR_TYPE_GC_FLAT: u64 = paArgs[i].u.GCFlat; break;
3382 case DBGCVAR_TYPE_GC_PHYS: u64 = paArgs[i].u.GCPhys; break;
3383 case DBGCVAR_TYPE_HC_FLAT: u64 = (uintptr_t)paArgs[i].u.pvHCFlat; break;
3384 case DBGCVAR_TYPE_HC_PHYS: u64 = paArgs[i].u.HCPhys; break;
3385 default: u64 = _64K; break;
3386 }
3387 if (u64 < _64K)
3388 {
3389 unsigned Sel = (RTSEL)u64;
3390
3391 /*
3392 * Dump the specified range.
3393 */
3394 bool fSingle = cSels == 1;
3395 while ( cSels-- > 0
3396 && Sel < _64K)
3397 {
3398 DBGFSELINFO SelInfo;
3399 int rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, Sel | SelTable, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
3400 if (RT_SUCCESS(rc))
3401 {
3402 if (SelInfo.fFlags & DBGFSELINFO_FLAGS_REAL_MODE)
3403 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x RealM Bas=%04x Lim=%04x\n",
3404 Sel, (unsigned)SelInfo.GCPtrBase, (unsigned)SelInfo.cbLimit);
3405 else if ( fAll
3406 || fSingle
3407 || SelInfo.u.Raw.Gen.u1Present)
3408 {
3409 if (enmMode == CPUMMODE_PROTECTED)
3410 rc = dbgcCmdDumpDTWorker32(pCmdHlp, &SelInfo.u.Raw, Sel,
3411 !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL);
3412 else
3413 {
3414 bool fDblSkip = false;
3415 rc = dbgcCmdDumpDTWorker64(pCmdHlp, &SelInfo.u.Raw64, Sel,
3416 !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL, &fDblSkip);
3417 if (fDblSkip)
3418 Sel += 4;
3419 }
3420 }
3421 }
3422 else
3423 {
3424 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %Rrc\n", Sel, rc);
3425 if (!fAll)
3426 return rc;
3427 }
3428 if (RT_FAILURE(rc))
3429 return rc;
3430
3431 /* next */
3432 Sel += 8;
3433 }
3434 }
3435 else
3436 DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds\n", u64);
3437 }
3438
3439 return VINF_SUCCESS;
3440}
3441
3442
3443/**
3444 * @callback_method_impl{FNDBGCCMD, The 'di' and 'dia' commands.}
3445 */
3446static DECLCALLBACK(int) dbgcCmdDumpIDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3447{
3448 /*
3449 * Validate input.
3450 */
3451 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3452
3453 /*
3454 * Establish some stuff like the current IDTR and CPU mode,
3455 * and fix a default parameter.
3456 */
3457 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3458 CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp);
3459 uint16_t cbLimit = 0;
3460 uint64_t GCFlat = 0;
3461 int rc = DBGFR3RegCpuQueryXdtr(pDbgc->pUVM, pDbgc->idCpu, DBGFREG_IDTR, &GCFlat, &cbLimit);
3462 if (RT_FAILURE(rc))
3463 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3RegCpuQueryXdtr/DBGFREG_IDTR");
3464 unsigned cbEntry;
3465 switch (enmMode)
3466 {
3467 case CPUMMODE_REAL: cbEntry = sizeof(RTFAR16); break;
3468 case CPUMMODE_PROTECTED: cbEntry = sizeof(X86DESC); break;
3469 case CPUMMODE_LONG: cbEntry = sizeof(X86DESC64); break;
3470 default:
3471 return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid CPU mode %d.\n", enmMode);
3472 }
3473
3474 bool fAll = pCmd->pszCmd[2] == 'a';
3475 DBGCVAR Var;
3476 if (!cArgs)
3477 {
3478 cArgs = 1;
3479 paArgs = &Var;
3480 Var.enmType = DBGCVAR_TYPE_NUMBER;
3481 Var.u.u64Number = 0;
3482 Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3483 Var.u64Range = 256;
3484 }
3485
3486 /*
3487 * Process the arguments.
3488 */
3489 for (unsigned i = 0; i < cArgs; i++)
3490 {
3491 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER);
3492 if (paArgs[i].u.u64Number < 256)
3493 {
3494 RTGCUINTPTR iInt = (RTGCUINTPTR)paArgs[i].u.u64Number;
3495 unsigned cInts = paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE
3496 ? paArgs[i].u64Range
3497 : 1;
3498 bool fSingle = cInts == 1;
3499 while ( cInts-- > 0
3500 && iInt < 256)
3501 {
3502 /*
3503 * Try read it.
3504 */
3505 union
3506 {
3507 RTFAR16 Real;
3508 X86DESC Prot;
3509 X86DESC64 Long;
3510 } u;
3511 if (iInt * cbEntry + (cbEntry - 1) > cbLimit)
3512 {
3513 DBGCCmdHlpPrintf(pCmdHlp, "%04x not within the IDT\n", (unsigned)iInt);
3514 if (!fAll && !fSingle)
3515 return VINF_SUCCESS;
3516 }
3517 DBGCVAR AddrVar;
3518 AddrVar.enmType = DBGCVAR_TYPE_GC_FLAT;
3519 AddrVar.u.GCFlat = GCFlat + iInt * cbEntry;
3520 AddrVar.enmRangeType = DBGCVAR_RANGE_NONE;
3521 rc = pCmdHlp->pfnMemRead(pCmdHlp, &u, cbEntry, &AddrVar, NULL);
3522 if (RT_FAILURE(rc))
3523 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading IDT entry %#04x.\n", (unsigned)iInt);
3524
3525 /*
3526 * Display it.
3527 */
3528 switch (enmMode)
3529 {
3530 case CPUMMODE_REAL:
3531 {
3532 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, DBGF_AS_GLOBAL, u.Real.sel, u.Real.off, " (", ")");
3533 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %RTfp16%s\n", (unsigned)iInt, u.Real, pszSymbol ? pszSymbol : "");
3534 RTStrFree(pszSymbol);
3535 break;
3536 }
3537 case CPUMMODE_PROTECTED:
3538 if (fAll || fSingle || u.Prot.Gen.u1Present)
3539 rc = dbgcCmdDumpDTWorker32(pCmdHlp, &u.Prot, iInt, false, DBGF_AS_GLOBAL);
3540 break;
3541 case CPUMMODE_LONG:
3542 if (fAll || fSingle || u.Long.Gen.u1Present)
3543 rc = dbgcCmdDumpDTWorker64(pCmdHlp, &u.Long, iInt, false, DBGF_AS_GLOBAL, NULL);
3544 break;
3545 default: break; /* to shut up gcc */
3546 }
3547 if (RT_FAILURE(rc))
3548 return rc;
3549
3550 /* next */
3551 iInt++;
3552 }
3553 }
3554 else
3555 DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds (max 256)\n", paArgs[i].u.u64Number);
3556 }
3557
3558 return VINF_SUCCESS;
3559}
3560
3561
3562/**
3563 * @callback_method_impl{FNDBGCCMD,
3564 * The 'da'\, 'dq'\, 'dqs'\, 'dd'\, 'dds'\, 'dw'\, 'db'\, 'dp'\, 'dps'\,
3565 * and 'du' commands.}
3566 */
3567static DECLCALLBACK(int) dbgcCmdDumpMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3568{
3569 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3570
3571 /*
3572 * Validate input.
3573 */
3574 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3575 if (cArgs == 1)
3576 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3577 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3578
3579#define DBGC_DUMP_MEM_F_ASCII RT_BIT_32(31)
3580#define DBGC_DUMP_MEM_F_UNICODE RT_BIT_32(30)
3581#define DBGC_DUMP_MEM_F_FAR RT_BIT_32(29)
3582#define DBGC_DUMP_MEM_F_SYMBOLS RT_BIT_32(28)
3583#define DBGC_DUMP_MEM_F_SIZE UINT32_C(0x0000ffff)
3584
3585 /*
3586 * Figure out the element size.
3587 */
3588 unsigned cbElement;
3589 bool fAscii = false;
3590 bool fUnicode = false;
3591 bool fFar = false;
3592 bool fSymbols = pCmd->pszCmd[1] && pCmd->pszCmd[2] == 's';
3593 switch (pCmd->pszCmd[1])
3594 {
3595 default:
3596 case 'b': cbElement = 1; break;
3597 case 'w': cbElement = 2; break;
3598 case 'd': cbElement = 4; break;
3599 case 'q': cbElement = 8; break;
3600 case 'a':
3601 cbElement = 1;
3602 fAscii = true;
3603 break;
3604 case 'F':
3605 cbElement = 4;
3606 fFar = true;
3607 break;
3608 case 'p':
3609 cbElement = DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu) ? 8 : 4;
3610 break;
3611 case 'u':
3612 cbElement = 2;
3613 fUnicode = true;
3614 break;
3615 case '\0':
3616 fAscii = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_ASCII);
3617 fSymbols = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SYMBOLS);
3618 fUnicode = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_UNICODE);
3619 fFar = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_FAR);
3620 cbElement = pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SIZE;
3621 if (!cbElement)
3622 cbElement = 1;
3623 break;
3624 }
3625 uint32_t const cbDumpElement = cbElement
3626 | (fSymbols ? DBGC_DUMP_MEM_F_SYMBOLS : 0)
3627 | (fFar ? DBGC_DUMP_MEM_F_FAR : 0)
3628 | (fUnicode ? DBGC_DUMP_MEM_F_UNICODE : 0)
3629 | (fAscii ? DBGC_DUMP_MEM_F_ASCII : 0);
3630 pDbgc->cbDumpElement = cbDumpElement;
3631
3632 /*
3633 * Find address.
3634 */
3635 if (!cArgs)
3636 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_NONE;
3637 else
3638 pDbgc->DumpPos = paArgs[0];
3639
3640 /*
3641 * Range.
3642 */
3643 switch (pDbgc->DumpPos.enmRangeType)
3644 {
3645 case DBGCVAR_RANGE_NONE:
3646 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3647 pDbgc->DumpPos.u64Range = 0x60;
3648 break;
3649
3650 case DBGCVAR_RANGE_ELEMENTS:
3651 if (pDbgc->DumpPos.u64Range > 2048)
3652 return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many elements requested. Max is 2048 elements.\n");
3653 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3654 pDbgc->DumpPos.u64Range = (cbElement ? cbElement : 1) * pDbgc->DumpPos.u64Range;
3655 break;
3656
3657 case DBGCVAR_RANGE_BYTES:
3658 if (pDbgc->DumpPos.u64Range > 65536)
3659 return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
3660 break;
3661
3662 default:
3663 return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->DumpPos.enmRangeType);
3664 }
3665
3666 pDbgc->pLastPos = &pDbgc->DumpPos;
3667
3668 /*
3669 * Do the dumping.
3670 */
3671 int cbLeft = (int)pDbgc->DumpPos.u64Range;
3672 uint8_t u16Prev = '\0';
3673 for (;;)
3674 {
3675 /*
3676 * Read memory.
3677 */
3678 char achBuffer[16];
3679 size_t cbReq = RT_MIN((int)sizeof(achBuffer), cbLeft);
3680 size_t cb = RT_MIN((int)sizeof(achBuffer), cbLeft);
3681 int rc = pCmdHlp->pfnMemRead(pCmdHlp, &achBuffer, cbReq, &pDbgc->DumpPos, &cb);
3682 if (RT_FAILURE(rc))
3683 {
3684 if (u16Prev && u16Prev != '\n')
3685 DBGCCmdHlpPrintf(pCmdHlp, "\n");
3686 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading memory at %DV.\n", &pDbgc->DumpPos);
3687 }
3688
3689 /*
3690 * Display it.
3691 */
3692 memset(&achBuffer[cb], 0, sizeof(achBuffer) - cb);
3693 if (!fAscii && !fUnicode)
3694 {
3695 DBGCCmdHlpPrintf(pCmdHlp, "%DV:", &pDbgc->DumpPos);
3696 unsigned i;
3697 for (i = 0; i < cb; i += cbElement)
3698 {
3699 const char *pszSpace = " ";
3700 if (cbElement <= 2 && i == 8)
3701 pszSpace = "-";
3702 switch (cbElement)
3703 {
3704 case 1:
3705 DBGCCmdHlpPrintf(pCmdHlp, "%s%02x", pszSpace, *(uint8_t *)&achBuffer[i]);
3706 break;
3707 case 2:
3708 DBGCCmdHlpPrintf(pCmdHlp, "%s%04x", pszSpace, *(uint16_t *)&achBuffer[i]);
3709 break;
3710 case 4:
3711 if (!fFar)
3712 DBGCCmdHlpPrintf(pCmdHlp, "%s%08x", pszSpace, *(uint32_t *)&achBuffer[i]);
3713 else
3714 DBGCCmdHlpPrintf(pCmdHlp, "%s%04x:%04x:",
3715 pszSpace, *(uint16_t *)&achBuffer[i + 2], *(uint16_t *)&achBuffer[i]);
3716 break;
3717 case 8:
3718 DBGCCmdHlpPrintf(pCmdHlp, "%s%016llx", pszSpace, *(uint64_t *)&achBuffer[i]);
3719 break;
3720 }
3721
3722 if (fSymbols)
3723 {
3724 /* Try lookup symbol for the above address. */
3725 DBGFADDRESS Addr;
3726 rc = VINF_SUCCESS;
3727 if (cbElement == 8)
3728 DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, *(uint64_t *)&achBuffer[i]);
3729 else if (!fFar)
3730 DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, *(uint32_t *)&achBuffer[i]);
3731 else
3732 rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr,
3733 *(uint16_t *)&achBuffer[i + 2], *(uint16_t *)&achBuffer[i]);
3734 if (RT_SUCCESS(rc))
3735 {
3736 RTINTPTR offDisp;
3737 RTDBGSYMBOL Symbol;
3738 rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, &Addr,
3739 RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
3740 &offDisp, &Symbol, NULL);
3741 if (RT_SUCCESS(rc))
3742 {
3743 if (!offDisp)
3744 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", Symbol.szName);
3745 else if (offDisp > 0)
3746 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s + %RGv", Symbol.szName, offDisp);
3747 else
3748 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s - %RGv", Symbol.szName, -offDisp);
3749 if (Symbol.cb > 0)
3750 rc = DBGCCmdHlpPrintf(pCmdHlp, " (LB %RGv)", Symbol.cb);
3751 }
3752 }
3753
3754 /* Next line prefix. */
3755 unsigned iNext = i + cbElement;
3756 if (iNext < cb)
3757 {
3758 DBGCVAR TmpPos = pDbgc->DumpPos;
3759 DBGCCmdHlpEval(pCmdHlp, &TmpPos, "(%Dv) + %x", &pDbgc->DumpPos, iNext);
3760 DBGCCmdHlpPrintf(pCmdHlp, "\n%DV:", &pDbgc->DumpPos);
3761 }
3762 }
3763 }
3764
3765 /* Chars column. */
3766 if (cbElement == 1)
3767 {
3768 while (i++ < sizeof(achBuffer))
3769 DBGCCmdHlpPrintf(pCmdHlp, " ");
3770 DBGCCmdHlpPrintf(pCmdHlp, " ");
3771 for (i = 0; i < cb; i += cbElement)
3772 {
3773 uint8_t u8 = *(uint8_t *)&achBuffer[i];
3774 if (RT_C_IS_PRINT(u8) && u8 < 127 && u8 >= 32)
3775 DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
3776 else
3777 DBGCCmdHlpPrintf(pCmdHlp, ".");
3778 }
3779 }
3780 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3781 }
3782 else
3783 {
3784 /*
3785 * We print up to the first zero and stop there.
3786 * Only printables + '\t' and '\n' are printed.
3787 */
3788 if (!u16Prev)
3789 DBGCCmdHlpPrintf(pCmdHlp, "%DV:\n", &pDbgc->DumpPos);
3790 uint16_t u16 = '\0';
3791 unsigned i;
3792 for (i = 0; i < cb; i += cbElement)
3793 {
3794 u16Prev = u16;
3795 if (cbElement == 1)
3796 u16 = *(uint8_t *)&achBuffer[i];
3797 else
3798 u16 = *(uint16_t *)&achBuffer[i];
3799 if ( u16 < 127
3800 && ( (RT_C_IS_PRINT(u16) && u16 >= 32)
3801 || u16 == '\t'
3802 || u16 == '\n'))
3803 DBGCCmdHlpPrintf(pCmdHlp, "%c", (int)u16);
3804 else if (!u16)
3805 break;
3806 else
3807 DBGCCmdHlpPrintf(pCmdHlp, "\\x%0*x", cbElement * 2, u16);
3808 }
3809 if (u16 == '\0')
3810 cb = cbLeft = i + 1;
3811 if (cbLeft - cb <= 0 && u16Prev != '\n')
3812 DBGCCmdHlpPrintf(pCmdHlp, "\n");
3813 }
3814
3815 /*
3816 * Advance
3817 */
3818 cbLeft -= (int)cb;
3819 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DumpPos, "(%Dv) + %x", &pDbgc->DumpPos, cb);
3820 if (RT_FAILURE(rc))
3821 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->DumpPos, cb);
3822 if (cbLeft <= 0)
3823 break;
3824 }
3825
3826 NOREF(pCmd);
3827 return VINF_SUCCESS;
3828}
3829
3830
3831/**
3832 * Best guess at which paging mode currently applies to the guest
3833 * paging structures.
3834 *
3835 * This have to come up with a decent answer even when the guest
3836 * is in non-paged protected mode or real mode.
3837 *
3838 * @returns cr3.
3839 * @param pDbgc The DBGC instance.
3840 * @param pfPAE Where to store the page address extension indicator.
3841 * @param pfLME Where to store the long mode enabled indicator.
3842 * @param pfPSE Where to store the page size extension indicator.
3843 * @param pfPGE Where to store the page global enabled indicator.
3844 * @param pfNXE Where to store the no-execution enabled indicator.
3845 */
3846static RTGCPHYS dbgcGetGuestPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE)
3847{
3848#if defined(VBOX_VMM_TARGET_ARMV8)
3849 AssertReleaseFailed();
3850 RT_NOREF(pDbgc, pfPAE, pfLME, pfPSE, pfPGE, pfNXE);
3851 *pfPAE = *pfLME = *pfPSE = *pfPGE = *pfNXE = false;
3852 return ~(RTGCPHYS)0;
3853#else
3854 PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3855 RTGCUINTREG cr4 = CPUMGetGuestCR4(pVCpu);
3856 *pfPSE = !!(cr4 & X86_CR4_PSE);
3857 *pfPGE = !!(cr4 & X86_CR4_PGE);
3858 if (cr4 & X86_CR4_PAE)
3859 {
3860 *pfPSE = true;
3861 *pfPAE = true;
3862 }
3863 else
3864 *pfPAE = false;
3865
3866 *pfLME = CPUMGetGuestMode(pVCpu) == CPUMMODE_LONG;
3867 *pfNXE = false; /* GUEST64 GUESTNX */
3868 return CPUMGetGuestCR3(pVCpu);
3869#endif
3870}
3871
3872
3873/**
3874 * Determine the shadow paging mode.
3875 *
3876 * @returns cr3.
3877 * @param pDbgc The DBGC instance.
3878 * @param pfPAE Where to store the page address extension indicator.
3879 * @param pfLME Where to store the long mode enabled indicator.
3880 * @param pfPSE Where to store the page size extension indicator.
3881 * @param pfPGE Where to store the page global enabled indicator.
3882 * @param pfNXE Where to store the no-execution enabled indicator.
3883 */
3884static RTHCPHYS dbgcGetShadowPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE)
3885{
3886#if defined(VBOX_VMM_TARGET_ARMV8)
3887 RT_NOREF(pDbgc, pfPAE, pfLME, pfPSE, pfPGE, pfNXE);
3888 AssertReleaseFailed();
3889 *pfPAE = *pfLME = *pfPSE = *pfPGE = *pfNXE = false;
3890 return ~(RTHCPHYS)0;
3891#else
3892 PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3893
3894 *pfPSE = true;
3895 *pfPGE = false;
3896 switch (PGMGetShadowMode(pVCpu))
3897 {
3898 default:
3899 case PGMMODE_32_BIT:
3900 *pfPAE = *pfLME = *pfNXE = false;
3901 break;
3902 case PGMMODE_PAE:
3903 *pfLME = *pfNXE = false;
3904 *pfPAE = true;
3905 break;
3906 case PGMMODE_PAE_NX:
3907 *pfLME = false;
3908 *pfPAE = *pfNXE = true;
3909 break;
3910 case PGMMODE_AMD64:
3911 *pfNXE = false;
3912 *pfPAE = *pfLME = true;
3913 break;
3914 case PGMMODE_AMD64_NX:
3915 *pfPAE = *pfLME = *pfNXE = true;
3916 break;
3917 }
3918 return PGMGetHyperCR3(pVCpu);
3919#endif
3920}
3921
3922
3923/**
3924 * @callback_method_impl{FNDBGCCMD,
3925 * The 'dpd'\, 'dpda'\, 'dpdb'\, 'dpdg' and 'dpdh' commands.}
3926 */
3927static DECLCALLBACK(int) dbgcCmdDumpPageDir(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3928{
3929 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3930
3931 /*
3932 * Validate input.
3933 */
3934 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3935 if (cArgs == 1 && pCmd->pszCmd[3] == 'a')
3936 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3937 if (cArgs == 1 && pCmd->pszCmd[3] != 'a')
3938 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3939 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
3940 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3941
3942 /*
3943 * Guest or shadow page directories? Get the paging parameters.
3944 */
3945 bool fGuest = pCmd->pszCmd[3] != 'h';
3946 if (!pCmd->pszCmd[3] || pCmd->pszCmd[3] == 'a')
3947 fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER ? true : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
3948
3949 bool fPAE, fLME, fPSE, fPGE, fNXE;
3950 uint64_t cr3 = fGuest
3951 ? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
3952 : dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
3953 const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
3954
3955 /*
3956 * Setup default argument if none was specified.
3957 * Fix address / index confusion.
3958 */
3959 DBGCVAR VarDefault;
3960 if (!cArgs)
3961 {
3962 if (pCmd->pszCmd[3] == 'a')
3963 {
3964 if (fLME || fPAE)
3965 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");
3966 if (fGuest)
3967 DBGCVAR_INIT_GC_PHYS(&VarDefault, cr3);
3968 else
3969 DBGCVAR_INIT_HC_PHYS(&VarDefault, cr3);
3970 }
3971 else
3972 DBGCVAR_INIT_GC_FLAT(&VarDefault, 0);
3973 paArgs = &VarDefault;
3974 cArgs = 1;
3975 }
3976 else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
3977 {
3978 /* If it's a number (not an address), it's an index, so convert it to an address. */
3979 Assert(pCmd->pszCmd[3] != 'a');
3980 VarDefault = paArgs[0];
3981 if (fPAE)
3982 return DBGCCmdHlpPrintf(pCmdHlp, "PDE indexing is only implemented for 32-bit paging.\n");
3983 if (VarDefault.u.u64Number >= GUEST_PAGE_SIZE / cbEntry)
3984 return DBGCCmdHlpPrintf(pCmdHlp, "PDE index is out of range [0..%d].\n", GUEST_PAGE_SIZE / cbEntry - 1);
3985 VarDefault.u.u64Number <<= X86_PD_SHIFT;
3986 VarDefault.enmType = DBGCVAR_TYPE_GC_FLAT;
3987 paArgs = &VarDefault;
3988 }
3989
3990 /*
3991 * Locate the PDE to start displaying at.
3992 *
3993 * The 'dpda' command takes the address of a PDE, while the others are guest
3994 * virtual address which PDEs should be displayed. So, 'dpda' is rather simple
3995 * while the others require us to do all the tedious walking thru the paging
3996 * hierarchy to find the intended PDE.
3997 */
3998 unsigned iEntry = ~0U; /* The page directory index. ~0U for 'dpta'. */
3999 DBGCVAR VarGCPtr = { NULL, }; /* The GC address corresponding to the current PDE (iEntry != ~0U). */
4000 DBGCVAR VarPDEAddr; /* The address of the current PDE. */
4001 unsigned cEntries; /* The number of entries to display. */
4002 unsigned cEntriesMax; /* The max number of entries to display. */
4003 int rc;
4004 if (pCmd->pszCmd[3] == 'a')
4005 {
4006 VarPDEAddr = paArgs[0];
4007 switch (VarPDEAddr.enmRangeType)
4008 {
4009 case DBGCVAR_RANGE_BYTES: cEntries = VarPDEAddr.u64Range / cbEntry; break;
4010 case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPDEAddr.u64Range; break;
4011 default: cEntries = 10; break;
4012 }
4013 cEntriesMax = GUEST_PAGE_SIZE / cbEntry;
4014 }
4015 else
4016 {
4017 /*
4018 * Determine the range.
4019 */
4020 switch (paArgs[0].enmRangeType)
4021 {
4022 case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / GUEST_PAGE_SIZE; break;
4023 case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
4024 default: cEntries = 10; break;
4025 }
4026
4027 /*
4028 * Normalize the input address, it must be a flat GC address.
4029 */
4030 rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
4031 if (RT_FAILURE(rc))
4032 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
4033 if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
4034 {
4035 VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
4036 VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
4037 }
4038 if (fPAE)
4039 VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_PAE_SHIFT) - 1);
4040 else
4041 VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_SHIFT) - 1);
4042
4043 /*
4044 * Do the paging walk until we get to the page directory.
4045 */
4046 DBGCVAR VarCur;
4047 if (fGuest)
4048 DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
4049 else
4050 DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
4051 if (fLME)
4052 {
4053 /* Page Map Level 4 Lookup. */
4054 /* Check if it's a valid address first? */
4055 VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
4056 VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
4057 X86PML4E Pml4e;
4058 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
4059 if (RT_FAILURE(rc))
4060 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
4061 if (!Pml4e.n.u1Present)
4062 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
4063
4064 VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
4065 Assert(fPAE);
4066 }
4067 if (fPAE)
4068 {
4069 /* Page directory pointer table. */
4070 X86PDPE Pdpe;
4071 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
4072 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
4073 if (RT_FAILURE(rc))
4074 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
4075 if (!Pdpe.n.u1Present)
4076 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
4077
4078 iEntry = (VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK;
4079 VarPDEAddr = VarCur;
4080 VarPDEAddr.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
4081 VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDEPAE);
4082 }
4083 else
4084 {
4085 /* 32-bit legacy - CR3 == page directory. */
4086 iEntry = (VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK;
4087 VarPDEAddr = VarCur;
4088 VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDE);
4089 }
4090 cEntriesMax = (GUEST_PAGE_SIZE - iEntry) / cbEntry;
4091 }
4092
4093 /* adjust cEntries */
4094 cEntries = RT_MAX(1, cEntries);
4095 cEntries = RT_MIN(cEntries, cEntriesMax);
4096
4097 /*
4098 * The display loop.
4099 */
4100 DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (index %#x):\n" : "%DV:\n",
4101 &VarPDEAddr, iEntry);
4102 do
4103 {
4104 /*
4105 * Read.
4106 */
4107 X86PDEPAE Pde;
4108 Pde.u = 0;
4109 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, cbEntry, &VarPDEAddr, NULL);
4110 if (RT_FAILURE(rc))
4111 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarPDEAddr);
4112
4113 /*
4114 * Display.
4115