VirtualBox

source: vbox/trunk/src/VBox/Debugger/DBGCEmulateCodeView.cpp@ 96407

Last change on this file since 96407 was 96407, checked in by vboxsync, 22 months ago

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1/* $Id: DBGCEmulateCodeView.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
2/** @file
3 * DBGC - Debugger Console, CodeView / WinDbg Emulation.
4 */
5
6/*
7 * Copyright (C) 2006-2022 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." },
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." },
502 { "rg", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegGuest, "[reg [[=] newval]]", "Show or set register(s) - guest reg set." },
503 { "rg32", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 32-bit guest registers." },
504 { "rg64", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 64-bit guest registers." },
505 { "rt", 0, 0, NULL, 0, 0, dbgcCmdRegTerse, "", "Toggles terse / verbose register info." },
506 { "s", 0, ~0U, &g_aArgSearchMem[0], RT_ELEMENTS(g_aArgSearchMem), 0, dbgcCmdSearchMem, "[options] <range> <pattern>", "Continue last search." },
507 { "sa", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an ascii string." },
508 { "sb", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more bytes." },
509 { "sd", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more double words." },
510 { "sq", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more quad words." },
511 { "su", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an unicode string." },
512 { "sw", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more words." },
513 { "sx", 0, ~0U, &g_aArgEventCtrlOpt[0], RT_ELEMENTS(g_aArgEventCtrlOpt), 0, dbgcCmdEventCtrlList, "[<event> [..]]", "Lists settings for exceptions, exits and other events. All if no filter is specified." },
514 { "sx-", 3, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "-c <cmd> <event> [..]", "Modifies the command for one or more exceptions, exits or other event. 'all' addresses all." },
515 { "sxe", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Enable: Break into the debugger on the specified exceptions, exits and other events. 'all' addresses all." },
516 { "sxn", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Notify: Display info in the debugger and continue on the specified exceptions, exits and other events. 'all' addresses all." },
517 { "sxi", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Ignore: Ignore the specified exceptions, exits and other events ('all' = all of them). Without the -c option, the guest runs like normal." },
518 { "sxr", 0, 0, &g_aArgEventCtrlOpt[0], RT_ELEMENTS(g_aArgEventCtrlOpt), 0, dbgcCmdEventCtrlReset, "", "Reset the settings to default for exceptions, exits and other events. All if no filter is specified." },
519 { "t", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace ." },
520 { "tflowc", 1, ~0U, &g_aArgTraceFlowClear[0], RT_ELEMENTS(g_aArgTraceFlowClear), 0, dbgcCmdTraceFlowClear, "all | <tf#> [tf# []]", "Clears trace execution flow for the given method." },
521 { "tflowd", 0, 1, &g_aArgTraceFlowDisable[0], RT_ELEMENTS(g_aArgTraceFlowDisable), 0, dbgcCmdTraceFlowDisable, "all | <tf#> [tf# []]", "Disables trace execution flow for the given method." },
522 { "tflowe", 0, 2, &g_aArgTraceFlowEnable[0], RT_ELEMENTS(g_aArgTraceFlowEnable), 0, dbgcCmdTraceFlowEnable, "<addr> <hits>", "Enable trace execution flow of the given method." },
523 { "tflowp", 0, 1, &g_aArgTraceFlowPrintReset[0], RT_ELEMENTS(g_aArgTraceFlowPrintReset), 0, dbgcCmdTraceFlowPrint, "all | <tf#> [tf# []]", "Prints the collected trace data of the given method." },
524 { "tflowr", 0, 1, &g_aArgTraceFlowPrintReset[0], RT_ELEMENTS(g_aArgTraceFlowPrintReset), 0, dbgcCmdTraceFlowReset, "all | <tf#> [tf# []]", "Resets the collected trace data of the given trace flow module." },
525 { "tr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." },
526 { "ta", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Trace to the given address." },
527 { "tc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next call instruction." },
528 { "tt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next return instruction." },
529 { "u", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble." },
530 { "u64", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 64-bit code." },
531 { "u32", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 32-bit code." },
532 { "u16", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code." },
533 { "uv86", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code with v8086/real mode addressing." },
534 { "ucfg", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph." },
535 { "ucfgc", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph with colors." },
536 { "x", 1, 1, &g_aArgListSyms[0], RT_ELEMENTS(g_aArgListSyms), 0, dbgcCmdListSymbols, "* | <Module!Symbol>", "Examine symbols." },
537};
538
539/** The number of commands in the CodeView/WinDbg emulation. */
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 /** @todo Batch query CS, RIP, CPU mode and flags. */
1346 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
1347 if (CPUMIsGuestIn64BitCode(pVCpu))
1348 {
1349 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
1350 pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
1351 }
1352 else
1353 {
1354 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
1355 pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
1356 pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
1357 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
1358 && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
1359 {
1360 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1361 fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
1362 }
1363 }
1364
1365 fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST;
1366 }
1367 else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
1368 {
1369 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1370 fFlags |= pDbgc->fDisasm & DBGF_DISAS_FLAGS_MODE_MASK;
1371 }
1372 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
1373 }
1374 else
1375 pDbgc->DisasmPos = paArgs[0];
1376 pDbgc->pLastPos = &pDbgc->DisasmPos;
1377
1378 /*
1379 * Range.
1380 */
1381 switch (pDbgc->DisasmPos.enmRangeType)
1382 {
1383 case DBGCVAR_RANGE_NONE:
1384 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
1385 pDbgc->DisasmPos.u64Range = 10;
1386 break;
1387
1388 case DBGCVAR_RANGE_ELEMENTS:
1389 if (pDbgc->DisasmPos.u64Range > 2048)
1390 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
1391 break;
1392
1393 case DBGCVAR_RANGE_BYTES:
1394 if (pDbgc->DisasmPos.u64Range > 65536)
1395 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
1396 break;
1397
1398 default:
1399 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
1400 }
1401
1402 /*
1403 * Convert physical and host addresses to guest addresses.
1404 */
1405 RTDBGAS hDbgAs = pDbgc->hDbgAs;
1406 int rc;
1407 switch (pDbgc->DisasmPos.enmType)
1408 {
1409 case DBGCVAR_TYPE_GC_FLAT:
1410 case DBGCVAR_TYPE_GC_FAR:
1411 break;
1412 case DBGCVAR_TYPE_GC_PHYS:
1413 hDbgAs = DBGF_AS_PHYS;
1414 RT_FALL_THRU();
1415 case DBGCVAR_TYPE_HC_FLAT:
1416 case DBGCVAR_TYPE_HC_PHYS:
1417 {
1418 DBGCVAR VarTmp;
1419 rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
1420 if (RT_FAILURE(rc))
1421 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
1422 pDbgc->DisasmPos = VarTmp;
1423 break;
1424 }
1425 default: AssertFailed(); break;
1426 }
1427
1428 DBGFADDRESS CurAddr;
1429 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1430 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1431 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1432 else
1433 {
1434 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1435 if (RT_FAILURE(rc))
1436 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
1437 }
1438
1439 pDbgc->fDisasm = fFlags;
1440
1441 /*
1442 * Figure out where we are and display it. Also calculate when we need to
1443 * check for a new symbol if possible.
1444 */
1445 RTGCUINTPTR cbCheckSymbol;
1446 dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1447
1448 /*
1449 * Do the disassembling.
1450 */
1451 unsigned cTries = 32;
1452 int iRangeLeft = (int)pDbgc->DisasmPos.u64Range;
1453 if (iRangeLeft == 0) /* kludge for 'r'. */
1454 iRangeLeft = -1;
1455 for (;;)
1456 {
1457 /*
1458 * Disassemble the instruction.
1459 */
1460 char szDis[256];
1461 uint32_t cbInstr = 1;
1462 if (pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FLAT)
1463 rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, DBGF_SEL_FLAT, pDbgc->DisasmPos.u.GCFlat, fFlags,
1464 &szDis[0], sizeof(szDis), &cbInstr);
1465 else
1466 rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, pDbgc->DisasmPos.u.GCFar.sel, pDbgc->DisasmPos.u.GCFar.off, fFlags,
1467 &szDis[0], sizeof(szDis), &cbInstr);
1468 if (RT_SUCCESS(rc))
1469 {
1470 /* print it */
1471 rc = DBGCCmdHlpPrintf(pCmdHlp, "%-16DV %s\n", &pDbgc->DisasmPos, &szDis[0]);
1472 if (RT_FAILURE(rc))
1473 return rc;
1474 }
1475 else
1476 {
1477 /* bitch. */
1478 int rc2 = DBGCCmdHlpPrintf(pCmdHlp, "Failed to disassemble instruction, skipping one byte.\n");
1479 if (RT_FAILURE(rc2))
1480 return rc2;
1481 if (cTries-- > 0)
1482 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Too many disassembly failures. Giving up");
1483 cbInstr = 1;
1484 }
1485
1486 /* advance */
1487 if (iRangeLeft < 0) /* 'r' */
1488 break;
1489 if (pDbgc->DisasmPos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
1490 iRangeLeft--;
1491 else
1492 iRangeLeft -= cbInstr;
1493 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DisasmPos, "(%Dv) + %x", &pDbgc->DisasmPos, cbInstr);
1494 if (RT_FAILURE(rc))
1495 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpEval(,,'(%Dv) + %x')", &pDbgc->DisasmPos, cbInstr);
1496 if (iRangeLeft <= 0)
1497 break;
1498 fFlags &= ~DBGF_DISAS_FLAGS_CURRENT_GUEST;
1499
1500 /* Print next symbol? */
1501 if (cbCheckSymbol <= cbInstr)
1502 {
1503 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1504 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1505 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1506 else
1507 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1508 if (RT_SUCCESS(rc))
1509 dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1510 else
1511 cbCheckSymbol = UINT32_MAX;
1512 }
1513 else
1514 cbCheckSymbol -= cbInstr;
1515 }
1516
1517 NOREF(pCmd);
1518 return VINF_SUCCESS;
1519}
1520
1521
1522/**
1523 * @callback_method_impl{FNDGCSCREENBLIT}
1524 */
1525static DECLCALLBACK(int) dbgcCmdUnassembleCfgBlit(const char *psz, void *pvUser)
1526{
1527 PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
1528 return DBGCCmdHlpPrintf(pCmdHlp, "%s", psz);
1529}
1530
1531
1532/**
1533 * Checks whether both addresses are equal.
1534 *
1535 * @returns true if both addresses point to the same location, false otherwise.
1536 * @param pAddr1 First address.
1537 * @param pAddr2 Second address.
1538 */
1539static bool dbgcCmdUnassembleCfgAddrEqual(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1540{
1541 return pAddr1->Sel == pAddr2->Sel
1542 && pAddr1->off == pAddr2->off;
1543}
1544
1545
1546/**
1547 * Checks whether the first given address is lower than the second one.
1548 *
1549 * @returns true if both addresses point to the same location, false otherwise.
1550 * @param pAddr1 First address.
1551 * @param pAddr2 Second address.
1552 */
1553static bool dbgcCmdUnassembleCfgAddrLower(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1554{
1555 return pAddr1->Sel == pAddr2->Sel
1556 && pAddr1->off < pAddr2->off;
1557}
1558
1559
1560/**
1561 * Calculates the size required for the given basic block including the
1562 * border and spacing on the edges.
1563 *
1564 * @returns nothing.
1565 * @param hFlowBb The basic block handle.
1566 * @param pDumpBb The dumper state to fill in for the basic block.
1567 */
1568static void dbgcCmdUnassembleCfgDumpCalcBbSize(DBGFFLOWBB hFlowBb, PDBGCFLOWBBDUMP pDumpBb)
1569{
1570 uint32_t fFlags = DBGFR3FlowBbGetFlags(hFlowBb);
1571 uint32_t cInstr = DBGFR3FlowBbGetInstrCount(hFlowBb);
1572
1573 pDumpBb->hFlowBb = hFlowBb;
1574 pDumpBb->cchHeight = cInstr + 4; /* Include spacing and border top and bottom. */
1575 pDumpBb->cchWidth = 0;
1576 DBGFR3FlowBbGetStartAddress(hFlowBb, &pDumpBb->AddrStart);
1577
1578 DBGFFLOWBBENDTYPE enmType = DBGFR3FlowBbGetType(hFlowBb);
1579 if ( enmType == DBGFFLOWBBENDTYPE_COND
1580 || enmType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1581 || enmType == DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP)
1582 DBGFR3FlowBbGetBranchAddress(hFlowBb, &pDumpBb->AddrTarget);
1583
1584 if (fFlags & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1585 {
1586 const char *pszErr = NULL;
1587 DBGFR3FlowBbQueryError(hFlowBb, &pszErr);
1588 if (pszErr)
1589 {
1590 pDumpBb->cchHeight++;
1591 pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszErr));
1592 }
1593 }
1594 for (unsigned i = 0; i < cInstr; i++)
1595 {
1596 const char *pszInstr = NULL;
1597 int rc = DBGFR3FlowBbQueryInstr(hFlowBb, i, NULL, NULL, &pszInstr);
1598 AssertRC(rc);
1599 pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszInstr));
1600 }
1601 pDumpBb->cchWidth += 4; /* Include spacing and border left and right. */
1602}
1603
1604
1605/**
1606 * Dumps a top or bottom boundary line.
1607 *
1608 * @returns nothing.
1609 * @param hScreen The screen to draw to.
1610 * @param uStartX Where to start drawing the boundary.
1611 * @param uStartY Y coordinate.
1612 * @param cchWidth Width of the boundary.
1613 * @param enmColor The color to use for drawing.
1614 */
1615static void dbgcCmdUnassembleCfgDumpBbBoundary(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1616 DBGCSCREENCOLOR enmColor)
1617{
1618 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '+', enmColor);
1619 dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1620 uStartY, '-', enmColor);
1621 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '+', enmColor);
1622}
1623
1624
1625/**
1626 * Dumps a spacing line between the top or bottom boundary and the actual disassembly.
1627 *
1628 * @returns nothing.
1629 * @param hScreen The screen to draw to.
1630 * @param uStartX Where to start drawing the spacing.
1631 * @param uStartY Y coordinate.
1632 * @param cchWidth Width of the spacing.
1633 * @param enmColor The color to use for drawing.
1634 */
1635static void dbgcCmdUnassembleCfgDumpBbSpacing(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1636 DBGCSCREENCOLOR enmColor)
1637{
1638 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmColor);
1639 dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1640 uStartY, ' ', enmColor);
1641 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmColor);
1642}
1643
1644
1645/**
1646 * Writes a given text to the screen.
1647 *
1648 * @returns nothing.
1649 * @param hScreen The screen to draw to.
1650 * @param uStartX Where to start drawing the line.
1651 * @param uStartY Y coordinate.
1652 * @param cchWidth Maximum width of the text.
1653 * @param pszText The text to write.
1654 * @param enmTextColor The color to use for drawing the text.
1655 * @param enmBorderColor The color to use for drawing the border.
1656 */
1657static void dbgcCmdUnassembleCfgDumpBbText(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY,
1658 uint32_t cchWidth, const char *pszText,
1659 DBGCSCREENCOLOR enmTextColor, DBGCSCREENCOLOR enmBorderColor)
1660{
1661 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmBorderColor);
1662 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + 1, uStartY, ' ', enmTextColor);
1663 dbgcScreenAsciiDrawString(hScreen, uStartX + 2, uStartY, pszText, enmTextColor);
1664 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmBorderColor);
1665}
1666
1667
1668/**
1669 * Dumps one basic block using the dumper callback.
1670 *
1671 * @returns nothing.
1672 * @param pDumpBb The basic block dump state to dump.
1673 * @param hScreen The screen to draw to.
1674 */
1675static void dbgcCmdUnassembleCfgDumpBb(PDBGCFLOWBBDUMP pDumpBb, DBGCSCREEN hScreen)
1676{
1677 uint32_t uStartY = pDumpBb->uStartY;
1678 bool fError = RT_BOOL(DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR);
1679 DBGCSCREENCOLOR enmColor = fError ? DBGCSCREENCOLOR_RED_BRIGHT : DBGCSCREENCOLOR_DEFAULT;
1680
1681 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1682 uStartY++;
1683 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1684 uStartY++;
1685
1686 uint32_t cInstr = DBGFR3FlowBbGetInstrCount(pDumpBb->hFlowBb);
1687 for (unsigned i = 0; i < cInstr; i++)
1688 {
1689 const char *pszInstr = NULL;
1690 DBGFR3FlowBbQueryInstr(pDumpBb->hFlowBb, i, NULL, NULL, &pszInstr);
1691 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY + i,
1692 pDumpBb->cchWidth, pszInstr, DBGCSCREENCOLOR_DEFAULT,
1693 enmColor);
1694 }
1695 uStartY += cInstr;
1696
1697 if (fError)
1698 {
1699 const char *pszErr = NULL;
1700 DBGFR3FlowBbQueryError(pDumpBb->hFlowBb, &pszErr);
1701 if (pszErr)
1702 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY,
1703 pDumpBb->cchWidth, pszErr, enmColor,
1704 enmColor);
1705 uStartY++;
1706 }
1707
1708 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1709 uStartY++;
1710 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1711 uStartY++;
1712}
1713
1714
1715/**
1716 * Dumps one branch table using the dumper callback.
1717 *
1718 * @returns nothing.
1719 * @param pDumpBranchTbl The basic block dump state to dump.
1720 * @param hScreen The screen to draw to.
1721 */
1722static void dbgcCmdUnassembleCfgDumpBranchTbl(PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl, DBGCSCREEN hScreen)
1723{
1724 uint32_t uStartY = pDumpBranchTbl->uStartY;
1725 DBGCSCREENCOLOR enmColor = DBGCSCREENCOLOR_CYAN_BRIGHT;
1726
1727 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1728 uStartY++;
1729 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1730 uStartY++;
1731
1732 uint32_t cSlots = DBGFR3FlowBranchTblGetSlots(pDumpBranchTbl->hFlowBranchTbl);
1733 for (unsigned i = 0; i < cSlots; i++)
1734 {
1735 DBGFADDRESS Addr;
1736 char szAddr[128];
1737
1738 RT_ZERO(szAddr);
1739 DBGFR3FlowBranchTblGetAddrAtSlot(pDumpBranchTbl->hFlowBranchTbl, i, &Addr);
1740
1741 if (Addr.Sel == DBGF_SEL_FLAT)
1742 RTStrPrintf(&szAddr[0], sizeof(szAddr), "%RGv", Addr.FlatPtr);
1743 else
1744 RTStrPrintf(&szAddr[0], sizeof(szAddr), "%04x:%RGv", Addr.Sel, Addr.off);
1745
1746 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBranchTbl->uStartX, uStartY + i,
1747 pDumpBranchTbl->cchWidth, &szAddr[0], DBGCSCREENCOLOR_DEFAULT,
1748 enmColor);
1749 }
1750 uStartY += cSlots;
1751
1752 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1753 uStartY++;
1754 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1755 uStartY++;
1756}
1757
1758
1759/**
1760 * Fills in the dump states for the basic blocks and branch tables.
1761 *
1762 * @returns VBox status code.
1763 * @param hFlowIt The control flow graph iterator handle.
1764 * @param hFlowBranchTblIt The control flow graph branch table iterator handle.
1765 * @param paDumpBb The array of basic block dump states.
1766 * @param paDumpBranchTbl The array of branch table dump states.
1767 * @param cBbs Number of basic blocks.
1768 * @param cBranchTbls Number of branch tables.
1769 */
1770static int dbgcCmdUnassembleCfgDumpCalcDimensions(DBGFFLOWIT hFlowIt, DBGFFLOWBRANCHTBLIT hFlowBranchTblIt,
1771 PDBGCFLOWBBDUMP paDumpBb, PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl,
1772 uint32_t cBbs, uint32_t cBranchTbls)
1773{
1774 RT_NOREF2(cBbs, cBranchTbls);
1775
1776 /* Calculate the sizes of each basic block first. */
1777 DBGFFLOWBB hFlowBb = DBGFR3FlowItNext(hFlowIt);
1778 uint32_t idx = 0;
1779 while (hFlowBb)
1780 {
1781 dbgcCmdUnassembleCfgDumpCalcBbSize(hFlowBb, &paDumpBb[idx]);
1782 idx++;
1783 hFlowBb = DBGFR3FlowItNext(hFlowIt);
1784 }
1785
1786 if (paDumpBranchTbl)
1787 {
1788 idx = 0;
1789 DBGFFLOWBRANCHTBL hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1790 while (hFlowBranchTbl)
1791 {
1792 paDumpBranchTbl[idx].hFlowBranchTbl = hFlowBranchTbl;
1793 paDumpBranchTbl[idx].cchHeight = DBGFR3FlowBranchTblGetSlots(hFlowBranchTbl) + 4; /* Spacing and border. */
1794 paDumpBranchTbl[idx].cchWidth = 25 + 4; /* Spacing and border. */
1795 idx++;
1796 hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1797 }
1798 }
1799
1800 return VINF_SUCCESS;
1801}
1802
1803/**
1804 * Dumps the given control flow graph to the output.
1805 *
1806 * @returns VBox status code.
1807 * @param hCfg The control flow graph handle.
1808 * @param fUseColor Flag whether the output should be colorized.
1809 * @param pCmdHlp The command helper callback table.
1810 */
1811static int dbgcCmdUnassembleCfgDump(DBGFFLOW hCfg, bool fUseColor, PDBGCCMDHLP pCmdHlp)
1812{
1813 int rc = VINF_SUCCESS;
1814 DBGFFLOWIT hCfgIt = NULL;
1815 DBGFFLOWBRANCHTBLIT hFlowBranchTblIt = NULL;
1816 uint32_t cBbs = DBGFR3FlowGetBbCount(hCfg);
1817 uint32_t cBranchTbls = DBGFR3FlowGetBranchTblCount(hCfg);
1818 PDBGCFLOWBBDUMP paDumpBb = (PDBGCFLOWBBDUMP)RTMemTmpAllocZ(cBbs * sizeof(DBGCFLOWBBDUMP));
1819 PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl = NULL;
1820
1821 if (cBranchTbls)
1822 paDumpBranchTbl = (PDBGCFLOWBRANCHTBLDUMP)RTMemAllocZ(cBranchTbls * sizeof(DBGCFLOWBRANCHTBLDUMP));
1823
1824 if (RT_UNLIKELY(!paDumpBb || (!paDumpBranchTbl && cBranchTbls > 0)))
1825 rc = VERR_NO_MEMORY;
1826 if (RT_SUCCESS(rc))
1827 rc = DBGFR3FlowItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hCfgIt);
1828 if (RT_SUCCESS(rc) && cBranchTbls > 0)
1829 rc = DBGFR3FlowBranchTblItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hFlowBranchTblIt);
1830
1831 if (RT_SUCCESS(rc))
1832 {
1833 rc = dbgcCmdUnassembleCfgDumpCalcDimensions(hCfgIt, hFlowBranchTblIt, paDumpBb, paDumpBranchTbl,
1834 cBbs, cBranchTbls);
1835
1836 /* Calculate the ASCII screen dimensions and create one. */
1837 uint32_t cchWidth = 0;
1838 uint32_t cchLeftExtra = 5;
1839 uint32_t cchRightExtra = 5;
1840 uint32_t cchHeight = 0;
1841 for (unsigned i = 0; i < cBbs; i++)
1842 {
1843 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1844 cchWidth = RT_MAX(cchWidth, pDumpBb->cchWidth);
1845 cchHeight += pDumpBb->cchHeight;
1846
1847 /* Incomplete blocks don't have a successor. */
1848 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1849 continue;
1850
1851 switch (DBGFR3FlowBbGetType(pDumpBb->hFlowBb))
1852 {
1853 case DBGFFLOWBBENDTYPE_EXIT:
1854 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1855 break;
1856 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1857 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1858 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1859 cchLeftExtra++;
1860 else
1861 cchRightExtra++;
1862 break;
1863 case DBGFFLOWBBENDTYPE_UNCOND:
1864 cchHeight += 2; /* For the arrow down to the next basic block. */
1865 break;
1866 case DBGFFLOWBBENDTYPE_COND:
1867 cchHeight += 2; /* For the arrow down to the next basic block. */
1868 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1869 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1870 cchLeftExtra++;
1871 else
1872 cchRightExtra++;
1873 break;
1874 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1875 default:
1876 AssertFailed();
1877 }
1878 }
1879
1880 for (unsigned i = 0; i < cBranchTbls; i++)
1881 {
1882 PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl = &paDumpBranchTbl[i];
1883 cchWidth = RT_MAX(cchWidth, pDumpBranchTbl->cchWidth);
1884 cchHeight += pDumpBranchTbl->cchHeight;
1885 }
1886
1887 cchWidth += 2;
1888
1889 DBGCSCREEN hScreen = NULL;
1890 rc = dbgcScreenAsciiCreate(&hScreen, cchWidth + cchLeftExtra + cchRightExtra, cchHeight);
1891 if (RT_SUCCESS(rc))
1892 {
1893 uint32_t uY = 0;
1894
1895 /* Dump the branch tables first. */
1896 for (unsigned i = 0; i < cBranchTbls; i++)
1897 {
1898 paDumpBranchTbl[i].uStartX = cchLeftExtra + (cchWidth - paDumpBranchTbl[i].cchWidth) / 2;
1899 paDumpBranchTbl[i].uStartY = uY;
1900 dbgcCmdUnassembleCfgDumpBranchTbl(&paDumpBranchTbl[i], hScreen);
1901 uY += paDumpBranchTbl[i].cchHeight;
1902 }
1903
1904 /* Dump the basic blocks and connections to the immediate successor. */
1905 for (unsigned i = 0; i < cBbs; i++)
1906 {
1907 paDumpBb[i].uStartX = cchLeftExtra + (cchWidth - paDumpBb[i].cchWidth) / 2;
1908 paDumpBb[i].uStartY = uY;
1909 dbgcCmdUnassembleCfgDumpBb(&paDumpBb[i], hScreen);
1910 uY += paDumpBb[i].cchHeight;
1911
1912 /* Incomplete blocks don't have a successor. */
1913 if (DBGFR3FlowBbGetFlags(paDumpBb[i].hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1914 continue;
1915
1916 switch (DBGFR3FlowBbGetType(paDumpBb[i].hFlowBb))
1917 {
1918 case DBGFFLOWBBENDTYPE_EXIT:
1919 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1920 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1921 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1922 break;
1923 case DBGFFLOWBBENDTYPE_UNCOND:
1924 /* Draw the arrow down to the next block. */
1925 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1926 '|', DBGCSCREENCOLOR_BLUE_BRIGHT);
1927 uY++;
1928 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1929 'V', DBGCSCREENCOLOR_BLUE_BRIGHT);
1930 uY++;
1931 break;
1932 case DBGFFLOWBBENDTYPE_COND:
1933 /* Draw the arrow down to the next block. */
1934 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1935 '|', DBGCSCREENCOLOR_RED_BRIGHT);
1936 uY++;
1937 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1938 'V', DBGCSCREENCOLOR_RED_BRIGHT);
1939 uY++;
1940 break;
1941 default:
1942 AssertFailed();
1943 }
1944 }
1945
1946 /* Last pass, connect all remaining branches. */
1947 uint32_t uBackConns = 0;
1948 uint32_t uFwdConns = 0;
1949 for (unsigned i = 0; i < cBbs; i++)
1950 {
1951 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1952 DBGFFLOWBBENDTYPE enmEndType = DBGFR3FlowBbGetType(pDumpBb->hFlowBb);
1953
1954 /* Incomplete blocks don't have a successor. */
1955 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1956 continue;
1957
1958 switch (enmEndType)
1959 {
1960 case DBGFFLOWBBENDTYPE_EXIT:
1961 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1962 case DBGFFLOWBBENDTYPE_UNCOND:
1963 break;
1964 case DBGFFLOWBBENDTYPE_COND:
1965 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1966 {
1967 /* Find the target first to get the coordinates. */
1968 PDBGCFLOWBBDUMP pDumpBbTgt = NULL;
1969 for (unsigned idxDumpBb = 0; idxDumpBb < cBbs; idxDumpBb++)
1970 {
1971 pDumpBbTgt = &paDumpBb[idxDumpBb];
1972 if (dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBbTgt->AddrStart))
1973 break;
1974 }
1975
1976 DBGCSCREENCOLOR enmColor = enmEndType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1977 ? DBGCSCREENCOLOR_YELLOW_BRIGHT
1978 : DBGCSCREENCOLOR_GREEN_BRIGHT;
1979
1980 /*
1981 * Use the right side for targets with higher addresses,
1982 * left when jumping backwards.
1983 */
1984 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1985 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1986 {
1987 /* Going backwards. */
1988 uint32_t uXVerLine = /*cchLeftExtra - 1 -*/ uBackConns + 1;
1989 uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
1990 uBackConns++;
1991
1992 /* Draw the arrow pointing to the target block. */
1993 dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX - 1, pDumpBbTgt->uStartY,
1994 '>', enmColor);
1995 /* Draw the horizontal line. */
1996 dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBbTgt->uStartX - 2,
1997 pDumpBbTgt->uStartY, '-', enmColor);
1998 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
1999 enmColor);
2000 /* Draw the vertical line down to the source block. */
2001 dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, pDumpBbTgt->uStartY + 1, uYHorLine - 1,
2002 '|', enmColor);
2003 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
2004 /* Draw the horizontal connection between the source block and vertical part. */
2005 dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBb->uStartX - 1,
2006 uYHorLine, '-', enmColor);
2007
2008 }
2009 else
2010 {
2011 /* Going forward. */
2012 uint32_t uXVerLine = cchWidth + cchLeftExtra + (cchRightExtra - uFwdConns) - 1;
2013 uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
2014 uFwdConns++;
2015
2016 /* Draw the horizontal line. */
2017 dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBb->uStartX + pDumpBb->cchWidth,
2018 uXVerLine - 1, uYHorLine, '-', enmColor);
2019 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
2020 /* Draw the vertical line down to the target block. */
2021 dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, uYHorLine + 1, pDumpBbTgt->uStartY - 1,
2022 '|', enmColor);
2023 /* Draw the horizontal connection between the target block and vertical part. */
2024 dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
2025 uXVerLine, pDumpBbTgt->uStartY, '-', enmColor);
2026 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
2027 enmColor);
2028 /* Draw the arrow pointing to the target block. */
2029 dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
2030 pDumpBbTgt->uStartY, '<', enmColor);
2031 }
2032 break;
2033 }
2034 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
2035 default:
2036 AssertFailed();
2037 }
2038 }
2039
2040 rc = dbgcScreenAsciiBlit(hScreen, dbgcCmdUnassembleCfgBlit, pCmdHlp, fUseColor);
2041 dbgcScreenAsciiDestroy(hScreen);
2042 }
2043 }
2044
2045 if (paDumpBb)
2046 {
2047 for (unsigned i = 0; i < cBbs; i++)
2048 DBGFR3FlowBbRelease(paDumpBb[i].hFlowBb);
2049 RTMemTmpFree(paDumpBb);
2050 }
2051
2052 if (paDumpBranchTbl)
2053 {
2054 for (unsigned i = 0; i < cBranchTbls; i++)
2055 DBGFR3FlowBranchTblRelease(paDumpBranchTbl[i].hFlowBranchTbl);
2056 RTMemTmpFree(paDumpBranchTbl);
2057 }
2058
2059 if (hCfgIt)
2060 DBGFR3FlowItDestroy(hCfgIt);
2061 if (hFlowBranchTblIt)
2062 DBGFR3FlowBranchTblItDestroy(hFlowBranchTblIt);
2063
2064 return rc;
2065}
2066
2067
2068/**
2069 * @callback_method_impl{FNDBGCCMD, The 'ucfg' command.}
2070 */
2071static DECLCALLBACK(int) dbgcCmdUnassembleCfg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2072{
2073 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2074
2075 /*
2076 * Validate input.
2077 */
2078 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2079 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
2080 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
2081
2082 if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2083 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
2084
2085 /*
2086 * Check the desired mode.
2087 */
2088 unsigned fFlags = DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
2089 bool fUseColor = false;
2090 switch (pCmd->pszCmd[4])
2091 {
2092 default: AssertFailed(); RT_FALL_THRU();
2093 case '\0': fFlags |= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
2094 case '6': fFlags |= DBGF_DISAS_FLAGS_64BIT_MODE; break;
2095 case '3': fFlags |= DBGF_DISAS_FLAGS_32BIT_MODE; break;
2096 case '1': fFlags |= DBGF_DISAS_FLAGS_16BIT_MODE; break;
2097 case 'v': fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
2098 case 'c': fUseColor = true; break;
2099 }
2100
2101 /** @todo should use DBGFADDRESS for everything */
2102
2103 /*
2104 * Find address.
2105 */
2106 if (!cArgs)
2107 {
2108 if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2109 {
2110 /** @todo Batch query CS, RIP, CPU mode and flags. */
2111 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2112 if (CPUMIsGuestIn64BitCode(pVCpu))
2113 {
2114 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
2115 pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
2116 }
2117 else
2118 {
2119 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
2120 pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
2121 pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
2122 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
2123 && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
2124 {
2125 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2126 fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
2127 }
2128 }
2129
2130 fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST;
2131 }
2132 else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
2133 {
2134 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2135 fFlags |= pDbgc->fDisasm & DBGF_DISAS_FLAGS_MODE_MASK;
2136 }
2137 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
2138 }
2139 else
2140 pDbgc->DisasmPos = paArgs[0];
2141 pDbgc->pLastPos = &pDbgc->DisasmPos;
2142
2143 /*
2144 * Range.
2145 */
2146 switch (pDbgc->DisasmPos.enmRangeType)
2147 {
2148 case DBGCVAR_RANGE_NONE:
2149 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2150 pDbgc->DisasmPos.u64Range = 10;
2151 break;
2152
2153 case DBGCVAR_RANGE_ELEMENTS:
2154 if (pDbgc->DisasmPos.u64Range > 2048)
2155 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
2156 break;
2157
2158 case DBGCVAR_RANGE_BYTES:
2159 if (pDbgc->DisasmPos.u64Range > 65536)
2160 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
2161 break;
2162
2163 default:
2164 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
2165 }
2166
2167 /*
2168 * Convert physical and host addresses to guest addresses.
2169 */
2170 RTDBGAS hDbgAs = pDbgc->hDbgAs;
2171 int rc;
2172 switch (pDbgc->DisasmPos.enmType)
2173 {
2174 case DBGCVAR_TYPE_GC_FLAT:
2175 case DBGCVAR_TYPE_GC_FAR:
2176 break;
2177 case DBGCVAR_TYPE_GC_PHYS:
2178 hDbgAs = DBGF_AS_PHYS;
2179 RT_FALL_THRU();
2180 case DBGCVAR_TYPE_HC_FLAT:
2181 case DBGCVAR_TYPE_HC_PHYS:
2182 {
2183 DBGCVAR VarTmp;
2184 rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
2185 if (RT_FAILURE(rc))
2186 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
2187 pDbgc->DisasmPos = VarTmp;
2188 break;
2189 }
2190 default: AssertFailed(); break;
2191 }
2192
2193 DBGFADDRESS CurAddr;
2194 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
2195 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
2196 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
2197 else
2198 {
2199 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
2200 if (RT_FAILURE(rc))
2201 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
2202 }
2203
2204 DBGFFLOW hCfg;
2205 rc = DBGFR3FlowCreate(pUVM, pDbgc->idCpu, &CurAddr, 0 /*cbDisasmMax*/,
2206 DBGF_FLOW_CREATE_F_TRY_RESOLVE_INDIRECT_BRANCHES, fFlags, &hCfg);
2207 if (RT_SUCCESS(rc))
2208 {
2209 /* Dump the graph. */
2210 rc = dbgcCmdUnassembleCfgDump(hCfg, fUseColor, pCmdHlp);
2211 DBGFR3FlowRelease(hCfg);
2212 }
2213 else
2214 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowCreate failed on '%Dv'", &pDbgc->DisasmPos);
2215
2216 NOREF(pCmd);
2217 return rc;
2218}
2219
2220
2221/**
2222 * @callback_method_impl{FNDBGCCMD, The 'ls' command.}
2223 */
2224static DECLCALLBACK(int) dbgcCmdListSource(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2225{
2226 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2227
2228 /*
2229 * Validate input.
2230 */
2231 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
2232 if (cArgs == 1)
2233 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
2234 if (!pUVM && !cArgs && !DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2235 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start listing...");
2236 if (!pUVM && cArgs && DBGCVAR_ISGCPOINTER(paArgs[0].enmType))
2237 return DBGCCmdHlpFail(pCmdHlp, pCmd, "GC address but no VM");
2238
2239 /*
2240 * Find address.
2241 */
2242 if (!cArgs)
2243 {
2244 if (!DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2245 {
2246 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2247 pDbgc->SourcePos.enmType = DBGCVAR_TYPE_GC_FAR;
2248 pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
2249 pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
2250 }
2251 pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_NONE;
2252 }
2253 else
2254 pDbgc->SourcePos = paArgs[0];
2255 pDbgc->pLastPos = &pDbgc->SourcePos;
2256
2257 /*
2258 * Ensure the source address is flat GC.
2259 */
2260 switch (pDbgc->SourcePos.enmType)
2261 {
2262 case DBGCVAR_TYPE_GC_FLAT:
2263 break;
2264 case DBGCVAR_TYPE_GC_PHYS:
2265 case DBGCVAR_TYPE_GC_FAR:
2266 case DBGCVAR_TYPE_HC_FLAT:
2267 case DBGCVAR_TYPE_HC_PHYS:
2268 {
2269 int rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "%%(%Dv)", &pDbgc->SourcePos);
2270 if (RT_FAILURE(rc))
2271 return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid address or address type. (rc=%d)\n", rc);
2272 break;
2273 }
2274 default: AssertFailed(); break;
2275 }
2276
2277 /*
2278 * Range.
2279 */
2280 switch (pDbgc->SourcePos.enmRangeType)
2281 {
2282 case DBGCVAR_RANGE_NONE:
2283 pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2284 pDbgc->SourcePos.u64Range = 10;
2285 break;
2286
2287 case DBGCVAR_RANGE_ELEMENTS:
2288 if (pDbgc->SourcePos.u64Range > 2048)
2289 return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many lines requested. Max is 2048 lines.\n");
2290 break;
2291
2292 case DBGCVAR_RANGE_BYTES:
2293 if (pDbgc->SourcePos.u64Range > 65536)
2294 return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
2295 break;
2296
2297 default:
2298 return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->SourcePos.enmRangeType);
2299 }
2300
2301 /*
2302 * Do the disassembling.
2303 */
2304 bool fFirst = 1;
2305 RTDBGLINE LinePrev = { 0, 0, 0, 0, 0, "" };
2306 int iRangeLeft = (int)pDbgc->SourcePos.u64Range;
2307 if (iRangeLeft == 0) /* kludge for 'r'. */
2308 iRangeLeft = -1;
2309 for (;;)
2310 {
2311 /*
2312 * Get line info.
2313 */
2314 RTDBGLINE Line;
2315 RTGCINTPTR off;
2316 DBGFADDRESS SourcePosAddr;
2317 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->SourcePos, &SourcePosAddr);
2318 if (RT_FAILURE(rc))
2319 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%Dv)", &pDbgc->SourcePos);
2320 rc = DBGFR3AsLineByAddr(pUVM, pDbgc->hDbgAs, &SourcePosAddr, &off, &Line, NULL);
2321 if (RT_FAILURE(rc))
2322 return VINF_SUCCESS;
2323
2324 unsigned cLines = 0;
2325 if (memcmp(&Line, &LinePrev, sizeof(Line)))
2326 {
2327 /*
2328 * Print filenamename
2329 */
2330 if (!fFirst && strcmp(Line.szFilename, LinePrev.szFilename))
2331 fFirst = true;
2332 if (fFirst)
2333 {
2334 rc = DBGCCmdHlpPrintf(pCmdHlp, "[%s @ %d]\n", Line.szFilename, Line.uLineNo);
2335 if (RT_FAILURE(rc))
2336 return rc;
2337 }
2338
2339 /*
2340 * Try open the file and read the line.
2341 */
2342 FILE *phFile = fopen(Line.szFilename, "r");
2343 if (phFile)
2344 {
2345 /* Skip ahead to the desired line. */
2346 char szLine[4096];
2347 unsigned cBefore = fFirst ? RT_MIN(2, Line.uLineNo - 1) : Line.uLineNo - LinePrev.uLineNo - 1;
2348 if (cBefore > 7)
2349 cBefore = 0;
2350 unsigned cLeft = Line.uLineNo - cBefore;
2351 while (cLeft > 0)
2352 {
2353 szLine[0] = '\0';
2354 if (!fgets(szLine, sizeof(szLine), phFile))
2355 break;
2356 cLeft--;
2357 }
2358 if (!cLeft)
2359 {
2360 /* print the before lines */
2361 for (;;)
2362 {
2363 size_t cch = strlen(szLine);
2364 while (cch > 0 && (szLine[cch - 1] == '\r' || szLine[cch - 1] == '\n' || RT_C_IS_SPACE(szLine[cch - 1])) )
2365 szLine[--cch] = '\0';
2366 if (cBefore-- <= 0)
2367 break;
2368
2369 rc = DBGCCmdHlpPrintf(pCmdHlp, " %4d: %s\n", Line.uLineNo - cBefore - 1, szLine);
2370 szLine[0] = '\0';
2371 const char *pszShutUpGcc = fgets(szLine, sizeof(szLine), phFile); NOREF(pszShutUpGcc);
2372 cLines++;
2373 }
2374 /* print the actual line */
2375 rc = DBGCCmdHlpPrintf(pCmdHlp, "%08llx %4d: %s\n", Line.Address, Line.uLineNo, szLine);
2376 }
2377 fclose(phFile);
2378 if (RT_FAILURE(rc))
2379 return rc;
2380 fFirst = false;
2381 }
2382 else
2383 return DBGCCmdHlpPrintf(pCmdHlp, "Warning: couldn't open source file '%s'\n", Line.szFilename);
2384
2385 LinePrev = Line;
2386 }
2387
2388
2389 /*
2390 * Advance
2391 */
2392 if (iRangeLeft < 0) /* 'r' */
2393 break;
2394 if (pDbgc->SourcePos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
2395 iRangeLeft -= cLines;
2396 else
2397 iRangeLeft -= 1;
2398 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "(%Dv) + %x", &pDbgc->SourcePos, 1);
2399 if (RT_FAILURE(rc))
2400 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->SourcePos, 1);
2401 if (iRangeLeft <= 0)
2402 break;
2403 }
2404
2405 NOREF(pCmd);
2406 return 0;
2407}
2408
2409
2410/**
2411 * @callback_method_impl{FNDBGCCMD, The 'r' command.}
2412 */
2413static DECLCALLBACK(int) dbgcCmdReg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2414{
2415 return dbgcCmdRegGuest(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
2416}
2417
2418
2419/**
2420 * @callback_method_impl{FNDBGCCMD, Common worker for the dbgcCmdReg*()
2421 * commands.}
2422 */
2423static DECLCALLBACK(int) dbgcCmdRegCommon(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs,
2424 const char *pszPrefix)
2425{
2426 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2427 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 || cArgs == 2 || cArgs == 3);
2428 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING
2429 || paArgs[0].enmType == DBGCVAR_TYPE_SYMBOL);
2430
2431 /*
2432 * Parse the register name and kind.
2433 */
2434 const char *pszReg = paArgs[0].u.pszString;
2435 if (*pszReg == '@')
2436 pszReg++;
2437 VMCPUID idCpu = pDbgc->idCpu;
2438 if (*pszPrefix)
2439 idCpu |= DBGFREG_HYPER_VMCPUID;
2440 if (*pszReg == '.')
2441 {
2442 pszReg++;
2443 idCpu |= DBGFREG_HYPER_VMCPUID;
2444 }
2445 const char * const pszActualPrefix = idCpu & DBGFREG_HYPER_VMCPUID ? "." : "";
2446
2447 /*
2448 * Query the register type & value (the setter needs the type).
2449 */
2450 DBGFREGVALTYPE enmType;
2451 DBGFREGVAL Value;
2452 int rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType);
2453 if (RT_FAILURE(rc))
2454 {
2455 if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
2456 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
2457 pszActualPrefix, pszReg);
2458 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n",
2459 pszActualPrefix, pszReg, rc);
2460 }
2461 if (cArgs == 1)
2462 {
2463 /*
2464 * Show the register.
2465 */
2466 char szValue[160];
2467 rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &Value, enmType, true /*fSpecial*/);
2468 if (RT_SUCCESS(rc))
2469 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, pszReg, szValue);
2470 else
2471 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2472 }
2473 else
2474 {
2475 DBGCVAR NewValueTmp;
2476 PCDBGCVAR pNewValue;
2477 if (cArgs == 3)
2478 {
2479 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, paArgs[1].enmType == DBGCVAR_TYPE_STRING);
2480 if (strcmp(paArgs[1].u.pszString, "="))
2481 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Second argument must be '='.");
2482 pNewValue = &paArgs[2];
2483 }
2484 else
2485 {
2486 /* Not possible to convince the parser to support both codeview and
2487 windbg syntax and make the equal sign optional. Try help it. */
2488 /** @todo make DBGCCmdHlpConvert do more with strings. */
2489 rc = DBGCCmdHlpConvert(pCmdHlp, &paArgs[1], DBGCVAR_TYPE_NUMBER, true /*fConvSyms*/, &NewValueTmp);
2490 if (RT_FAILURE(rc))
2491 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "The last argument must be a value or valid symbol.");
2492 pNewValue = &NewValueTmp;
2493 }
2494
2495 /*
2496 * Modify the register.
2497 */
2498 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, pNewValue->enmType == DBGCVAR_TYPE_NUMBER);
2499 if (enmType != DBGFREGVALTYPE_DTR)
2500 {
2501 enmType = DBGFREGVALTYPE_U64;
2502 rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.u64);
2503 }
2504 else
2505 {
2506 enmType = DBGFREGVALTYPE_DTR;
2507 rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.dtr.u64Base);
2508 if (RT_SUCCESS(rc) && pNewValue->enmRangeType != DBGCVAR_RANGE_NONE)
2509 Value.dtr.u32Limit = (uint32_t)pNewValue->u64Range;
2510 }
2511 if (RT_SUCCESS(rc))
2512 {
2513 rc = DBGFR3RegNmSet(pUVM, idCpu, pszReg, &Value, enmType);
2514 if (RT_FAILURE(rc))
2515 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmSet failed settings '%s%s': %Rrc\n",
2516 pszActualPrefix, pszReg, rc);
2517 if (rc != VINF_SUCCESS)
2518 DBGCCmdHlpPrintf(pCmdHlp, "%s: warning: %Rrc\n", pCmd->pszCmd, rc);
2519 }
2520 else
2521 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2522 }
2523 return rc;
2524}
2525
2526
2527/**
2528 * @callback_method_impl{FNDBGCCMD,
2529 * The 'rg'\, 'rg64' and 'rg32' commands\, worker for 'r'.}
2530 */
2531static DECLCALLBACK(int) dbgcCmdRegGuest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2532{
2533 /*
2534 * Show all registers our selves.
2535 */
2536 if (cArgs == 0)
2537 {
2538 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2539 bool const f64BitMode = !strcmp(pCmd->pszCmd, "rg64")
2540 || ( strcmp(pCmd->pszCmd, "rg32") != 0
2541 && DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu));
2542 return DBGCCmdHlpRegPrintf(pCmdHlp, pDbgc->idCpu, f64BitMode, pDbgc->fRegTerse);
2543 }
2544 return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, "");
2545}
2546
2547
2548/**
2549 * @callback_method_impl{FNDBGCCMD, The 'rt' command.}
2550 */
2551static DECLCALLBACK(int) dbgcCmdRegTerse(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2552{
2553 NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2554
2555 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2556 pDbgc->fRegTerse = !pDbgc->fRegTerse;
2557 return DBGCCmdHlpPrintf(pCmdHlp, pDbgc->fRegTerse ? "info: Terse register info.\n" : "info: Verbose register info.\n");
2558}
2559
2560
2561/**
2562 * @callback_method_impl{FNDBGCCMD, The 'pr' and 'tr' commands.}
2563 */
2564static DECLCALLBACK(int) dbgcCmdStepTraceToggle(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2565{
2566 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2567 Assert(cArgs == 0); NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2568
2569 /* Note! windbg accepts 'r' as a flag to 'p', 'pa', 'pc', 'pt', 't',
2570 'ta', 'tc' and 'tt'. We've simplified it. */
2571 pDbgc->fStepTraceRegs = !pDbgc->fStepTraceRegs;
2572 return VINF_SUCCESS;
2573}
2574
2575
2576/**
2577 * @callback_method_impl{FNDBGCCMD, The 'p'\, 'pc'\, 'pt'\, 't'\, 'tc'\, and 'tt' commands.}
2578 */
2579static DECLCALLBACK(int) dbgcCmdStepTrace(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2580{
2581 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2582 if (cArgs != 0)
2583 return DBGCCmdHlpFail(pCmdHlp, pCmd,
2584 "Sorry, but the '%s' command does not currently implement any arguments.\n", pCmd->pszCmd);
2585
2586 /* The 'count' has to be implemented by DBGC, whereas the
2587 filtering is taken care of by DBGF. */
2588
2589 /*
2590 * Convert the command to DBGF_STEP_F_XXX and other API input.
2591 */
2592 //DBGFADDRESS StackPop;
2593 PDBGFADDRESS pStackPop = NULL;
2594 RTGCPTR cbStackPop = 0;
2595 uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : _64K;
2596 uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2597 if (pCmd->pszCmd[1] == 'c')
2598 fFlags |= DBGF_STEP_F_STOP_ON_CALL;
2599 else if (pCmd->pszCmd[1] == 't')
2600 fFlags |= DBGF_STEP_F_STOP_ON_RET;
2601 else if (pCmd->pszCmd[0] != 'p')
2602 cMaxSteps = 1;
2603 else
2604 {
2605 /** @todo consider passing RSP + 1 in for 'p' and something else sensible for
2606 * the 'pt' command. */
2607 }
2608
2609 int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, NULL, pStackPop, cbStackPop, cMaxSteps);
2610 if (RT_SUCCESS(rc))
2611 pDbgc->fReady = false;
2612 else
2613 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2614
2615 NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
2616 return rc;
2617}
2618
2619
2620/**
2621 * @callback_method_impl{FNDBGCCMD, The 'pa' and 'ta' commands.}
2622 */
2623static DECLCALLBACK(int) dbgcCmdStepTraceTo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2624{
2625 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2626 if (cArgs != 1)
2627 return DBGCCmdHlpFail(pCmdHlp, pCmd,
2628 "Sorry, but the '%s' command only implements a single argument at present.\n", pCmd->pszCmd);
2629 DBGFADDRESS Address;
2630 int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
2631 if (RT_FAILURE(rc))
2632 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[0]);
2633
2634 uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : 1;
2635 uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2636 rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, &Address, NULL, 0, cMaxSteps);
2637 if (RT_SUCCESS(rc))
2638 pDbgc->fReady = false;
2639 else
2640 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2641 return rc;
2642}
2643
2644
2645/**
2646 * Helper that tries to resolve a far address to a symbol and formats it.
2647 *
2648 * @returns Pointer to symbol string on success, NULL if not resolved.
2649 * Free using RTStrFree.
2650 * @param pCmdHlp The command helper structure.
2651 * @param hAs The address space to use. NIL_RTDBGAS means no symbol resolving.
2652 * @param sel The selector part of the address.
2653 * @param off The offset part of the address.
2654 * @param pszPrefix How to prefix the symbol string.
2655 * @param pszSuffix How to suffix the symbol string.
2656 */
2657static char *dbgcCmdHlpFarAddrToSymbol(PDBGCCMDHLP pCmdHlp, RTDBGAS hAs, RTSEL sel, uint64_t off,
2658 const char *pszPrefix, const char *pszSuffix)
2659{
2660 char *pszRet = NULL;
2661 if (hAs != NIL_RTDBGAS)
2662 {
2663 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2664 DBGFADDRESS Addr;
2665 int rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr, sel, off);
2666 if (RT_SUCCESS(rc))
2667 {
2668 RTGCINTPTR offDispSym = 0;
2669 PRTDBGSYMBOL pSymbol = DBGFR3AsSymbolByAddrA(pDbgc->pUVM, hAs, &Addr,
2670 RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL
2671 | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
2672 &offDispSym, NULL);
2673 if (pSymbol)
2674 {
2675 if (offDispSym == 0)
2676 pszRet = RTStrAPrintf2("%s%s%s", pszPrefix, pSymbol->szName, pszSuffix);
2677 else if (offDispSym > 0)
2678 pszRet = RTStrAPrintf2("%s%s+%llx%s", pszPrefix, pSymbol->szName, (int64_t)offDispSym, pszSuffix);
2679 else
2680 pszRet = RTStrAPrintf2("%s%s-%llx%s", pszPrefix, pSymbol->szName, -(int64_t)offDispSym, pszSuffix);
2681 RTDbgSymbolFree(pSymbol);
2682 }
2683 }
2684 }
2685 return pszRet;
2686}
2687
2688
2689/**
2690 * @callback_method_impl{FNDBGCCMD, The 'k'\, 'kg' and 'kh' commands.}
2691 */
2692static DECLCALLBACK(int) dbgcCmdStack(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2693{
2694 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2695
2696 /*
2697 * Figure which context we're called for and start walking that stack.
2698 */
2699 int rc;
2700 PCDBGFSTACKFRAME pFirstFrame;
2701 bool const fGuest = true;
2702 bool const fVerbose = pCmd->pszCmd[1] == 'v'
2703 || (pCmd->pszCmd[1] != '\0' && pCmd->pszCmd[2] == 'v');
2704 rc = DBGFR3StackWalkBegin(pUVM, pDbgc->idCpu, fGuest ? DBGFCODETYPE_GUEST : DBGFCODETYPE_HYPER, &pFirstFrame);
2705 if (RT_FAILURE(rc))
2706 return DBGCCmdHlpPrintf(pCmdHlp, "Failed to begin stack walk, rc=%Rrc\n", rc);
2707
2708 /*
2709 * Print the frames.
2710 */
2711 char szTmp[1024];
2712 uint32_t fBitFlags = 0;
2713 for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
2714 pFrame;
2715 pFrame = DBGFR3StackWalkNext(pFrame))
2716 {
2717 uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT | DBGFSTACKFRAME_FLAGS_32BIT | DBGFSTACKFRAME_FLAGS_64BIT);
2718 if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
2719 {
2720 if (fCurBitFlags != fBitFlags)
2721 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2722 rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2723 pFrame->iFrame,
2724 pFrame->AddrFrame.Sel,
2725 (uint16_t)pFrame->AddrFrame.off,
2726 pFrame->AddrReturnFrame.Sel,
2727 (uint16_t)pFrame->AddrReturnFrame.off,
2728 (uint32_t)pFrame->AddrReturnPC.Sel,
2729 (uint32_t)pFrame->AddrReturnPC.off,
2730 pFrame->Args.au32[0],
2731 pFrame->Args.au32[1],
2732 pFrame->Args.au32[2],
2733 pFrame->Args.au32[3]);
2734 }
2735 else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
2736 {
2737 if (fCurBitFlags != fBitFlags)
2738 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2739 rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2740 pFrame->iFrame,
2741 (uint32_t)pFrame->AddrFrame.off,
2742 (uint32_t)pFrame->AddrReturnFrame.off,
2743 (uint32_t)pFrame->AddrReturnPC.Sel,
2744 (uint32_t)pFrame->AddrReturnPC.off,
2745 pFrame->Args.au32[0],
2746 pFrame->Args.au32[1],
2747 pFrame->Args.au32[2],
2748 pFrame->Args.au32[3]);
2749 }
2750 else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
2751 {
2752 if (fCurBitFlags != fBitFlags)
2753 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
2754 rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %016RX64 %04RX16:%016RX64 %016RX64",
2755 pFrame->iFrame,
2756 (uint64_t)pFrame->AddrFrame.off,
2757 pFrame->AddrReturnFrame.Sel,
2758 (uint64_t)pFrame->AddrReturnFrame.off,
2759 (uint64_t)pFrame->AddrReturnPC.off);
2760 }
2761 if (RT_FAILURE(rc))
2762 break;
2763 if (!pFrame->pSymPC)
2764 rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
2765 fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
2766 ? " %RTsel:%016RGv"
2767 : fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
2768 ? " %RTsel:%08RGv"
2769 : " %RTsel:%04RGv"
2770 , pFrame->AddrPC.Sel, pFrame->AddrPC.off);
2771 else
2772 {
2773 RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
2774 if (offDisp > 0)
2775 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
2776 else if (offDisp < 0)
2777 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
2778 else
2779 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", pFrame->pSymPC->szName);
2780 }
2781 if (RT_SUCCESS(rc) && pFrame->pLinePC)
2782 rc = DBGCCmdHlpPrintf(pCmdHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
2783 if (RT_SUCCESS(rc))
2784 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2785
2786 if (fVerbose && RT_SUCCESS(rc))
2787 {
2788 /*
2789 * Display verbose frame info.
2790 */
2791 const char *pszRetType = "invalid";
2792 switch (pFrame->enmReturnType)
2793 {
2794 case RTDBGRETURNTYPE_NEAR16: pszRetType = "retn/16"; break;
2795 case RTDBGRETURNTYPE_NEAR32: pszRetType = "retn/32"; break;
2796 case RTDBGRETURNTYPE_NEAR64: pszRetType = "retn/64"; break;
2797 case RTDBGRETURNTYPE_FAR16: pszRetType = "retf/16"; break;
2798 case RTDBGRETURNTYPE_FAR32: pszRetType = "retf/32"; break;
2799 case RTDBGRETURNTYPE_FAR64: pszRetType = "retf/64"; break;
2800 case RTDBGRETURNTYPE_IRET16: pszRetType = "iret-16"; break;
2801 case RTDBGRETURNTYPE_IRET32: pszRetType = "iret/32s"; break;
2802 case RTDBGRETURNTYPE_IRET32_PRIV: pszRetType = "iret/32p"; break;
2803 case RTDBGRETURNTYPE_IRET32_V86: pszRetType = "iret/v86"; break;
2804 case RTDBGRETURNTYPE_IRET64: pszRetType = "iret/64"; break;
2805
2806 case RTDBGRETURNTYPE_END:
2807 case RTDBGRETURNTYPE_INVALID:
2808 case RTDBGRETURNTYPE_32BIT_HACK:
2809 break;
2810 }
2811 size_t cchLine = DBGCCmdHlpPrintfLen(pCmdHlp, " %s", pszRetType);
2812 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_UNWIND_INFO)
2813 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-unwind-info");
2814 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_ODD_EVEN)
2815 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-odd-even");
2816 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_REAL_V86)
2817 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " real-v86");
2818 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_MAX_DEPTH)
2819 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " max-depth");
2820 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_TRAP_FRAME)
2821 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " trap-frame");
2822
2823 if (pFrame->cSureRegs > 0)
2824 {
2825 cchLine = 1024; /* force new line */
2826 for (uint32_t i = 0; i < pFrame->cSureRegs; i++)
2827 {
2828 if (cchLine > 80)
2829 {
2830 DBGCCmdHlpPrintf(pCmdHlp, "\n ");
2831 cchLine = 2;
2832 }
2833
2834 szTmp[0] = '\0';
2835 DBGFR3RegFormatValue(szTmp, sizeof(szTmp), &pFrame->paSureRegs[i].Value,
2836 pFrame->paSureRegs[i].enmType, false);
2837 const char *pszName = pFrame->paSureRegs[i].enmReg != DBGFREG_END
2838 ? DBGFR3RegCpuName(pUVM, pFrame->paSureRegs[i].enmReg, pFrame->paSureRegs[i].enmType)
2839 : pFrame->paSureRegs[i].pszName;
2840 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " %s=%s", pszName, szTmp);
2841 }
2842 }
2843
2844 if (RT_SUCCESS(rc))
2845 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2846 }
2847
2848 if (RT_FAILURE(rc))
2849 break;
2850
2851 fBitFlags = fCurBitFlags;
2852 }
2853
2854 DBGFR3StackWalkEnd(pFirstFrame);
2855
2856 NOREF(paArgs); NOREF(cArgs);
2857 return rc;
2858}
2859
2860
2861/**
2862 * Worker function that displays one descriptor entry (GDT, LDT, IDT).
2863 *
2864 * @returns pfnPrintf status code.
2865 * @param pCmdHlp The DBGC command helpers.
2866 * @param pDesc The descriptor to display.
2867 * @param iEntry The descriptor entry number.
2868 * @param fHyper Whether the selector belongs to the hypervisor or not.
2869 * @param hAs Address space to use when resolving symbols.
2870 * @param pfDblEntry Where to indicate whether the entry is two entries wide.
2871 * Optional.
2872 */
2873static int dbgcCmdDumpDTWorker64(PDBGCCMDHLP pCmdHlp, PCX86DESC64 pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs,
2874 bool *pfDblEntry)
2875{
2876 /* GUEST64 */
2877 int rc;
2878
2879 const char *pszHyper = fHyper ? " HYPER" : "";
2880 const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
2881 if (pDesc->Gen.u1DescType)
2882 {
2883 static const char * const s_apszTypes[] =
2884 {
2885 "DataRO", /* 0 Read-Only */
2886 "DataRO", /* 1 Read-Only - Accessed */
2887 "DataRW", /* 2 Read/Write */
2888 "DataRW", /* 3 Read/Write - Accessed */
2889 "DownRO", /* 4 Expand-down, Read-Only */
2890 "DownRO", /* 5 Expand-down, Read-Only - Accessed */
2891 "DownRW", /* 6 Expand-down, Read/Write */
2892 "DownRW", /* 7 Expand-down, Read/Write - Accessed */
2893 "CodeEO", /* 8 Execute-Only */
2894 "CodeEO", /* 9 Execute-Only - Accessed */
2895 "CodeER", /* A Execute/Readable */
2896 "CodeER", /* B Execute/Readable - Accessed */
2897 "ConfE0", /* C Conforming, Execute-Only */
2898 "ConfE0", /* D Conforming, Execute-Only - Accessed */
2899 "ConfER", /* E Conforming, Execute/Readable */
2900 "ConfER" /* F Conforming, Execute/Readable - Accessed */
2901 };
2902 const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
2903 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
2904 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2905 uint32_t u32Base = X86DESC_BASE(pDesc);
2906 uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2907
2908 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
2909 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
2910 pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
2911 pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
2912 }
2913 else
2914 {
2915 static const char * const s_apszTypes[] =
2916 {
2917 "Ill-0 ", /* 0 0000 Reserved (Illegal) */
2918 "Ill-1 ", /* 1 0001 Available 16-bit TSS */
2919 "LDT ", /* 2 0010 LDT */
2920 "Ill-3 ", /* 3 0011 Busy 16-bit TSS */
2921 "Ill-4 ", /* 4 0100 16-bit Call Gate */
2922 "Ill-5 ", /* 5 0101 Task Gate */
2923 "Ill-6 ", /* 6 0110 16-bit Interrupt Gate */
2924 "Ill-7 ", /* 7 0111 16-bit Trap Gate */
2925 "Ill-8 ", /* 8 1000 Reserved (Illegal) */
2926 "Tss64A", /* 9 1001 Available 32-bit TSS */
2927 "Ill-A ", /* A 1010 Reserved (Illegal) */
2928 "Tss64B", /* B 1011 Busy 32-bit TSS */
2929 "Call64", /* C 1100 32-bit Call Gate */
2930 "Ill-D ", /* D 1101 Reserved (Illegal) */
2931 "Int64 ", /* E 1110 32-bit Interrupt Gate */
2932 "Trap64" /* F 1111 32-bit Trap Gate */
2933 };
2934 switch (pDesc->Gen.u4Type)
2935 {
2936 /* raw */
2937 case X86_SEL_TYPE_SYS_UNDEFINED:
2938 case X86_SEL_TYPE_SYS_UNDEFINED2:
2939 case X86_SEL_TYPE_SYS_UNDEFINED4:
2940 case X86_SEL_TYPE_SYS_UNDEFINED3:
2941 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
2942 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
2943 case X86_SEL_TYPE_SYS_286_CALL_GATE:
2944 case X86_SEL_TYPE_SYS_286_INT_GATE:
2945 case X86_SEL_TYPE_SYS_286_TRAP_GATE:
2946 case X86_SEL_TYPE_SYS_TASK_GATE:
2947 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
2948 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
2949 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
2950 break;
2951
2952 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
2953 case X86_SEL_TYPE_SYS_386_TSS_BUSY:
2954 case X86_SEL_TYPE_SYS_LDT:
2955 {
2956 const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
2957 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2958 const char *pszLong = pDesc->Gen.u1Long ? "LONG" : " ";
2959
2960 uint64_t u64Base = X86DESC64_BASE(pDesc);
2961 uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2962
2963 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%016RX64 Lim=%08x DPL=%d %s %s %s %sAVL=%d R=%d%s\n",
2964 iEntry, s_apszTypes[pDesc->Gen.u4Type], u64Base, cbLimit,
2965 pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszLong, pszBig,
2966 pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1),
2967 pszHyper);
2968 if (pfDblEntry)
2969 *pfDblEntry = true;
2970 break;
2971 }
2972
2973 case X86_SEL_TYPE_SYS_386_CALL_GATE:
2974 {
2975 unsigned cParams = pDesc->au8[4] & 0x1f;
2976 const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
2977 RTSEL sel = pDesc->au16[1];
2978 uint64_t off = pDesc->au16[0]
2979 | ((uint64_t)pDesc->au16[3] << 16)
2980 | ((uint64_t)pDesc->Gen.u32BaseHigh3 << 32);
2981 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
2982 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%d %s %s=%d%s%s\n",
2983 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
2984 pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : "");
2985 RTStrFree(pszSymbol);
2986 if (pfDblEntry)
2987 *pfDblEntry = true;
2988 break;
2989 }
2990
2991 case X86_SEL_TYPE_SYS_386_INT_GATE:
2992 case X86_SEL_TYPE_SYS_386_TRAP_GATE:
2993 {
2994 RTSEL sel = pDesc->Gate.u16Sel;
2995 uint64_t off = pDesc->Gate.u16OffsetLow
2996 | ((uint64_t)pDesc->Gate.u16OffsetHigh << 16)
2997 | ((uint64_t)pDesc->Gate.u32OffsetTop << 32);
2998 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
2999 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%u %s IST=%u%s%s\n",
3000 iEntry, s_apszTypes[pDesc->Gate.u4Type], sel, off,
3001 pDesc->Gate.u2Dpl, pszPresent, pDesc->Gate.u3IST, pszHyper, pszSymbol ? pszSymbol : "");
3002 RTStrFree(pszSymbol);
3003 if (pfDblEntry)
3004 *pfDblEntry = true;
3005 break;
3006 }
3007
3008 /* impossible, just it's necessary to keep gcc happy. */
3009 default:
3010 return VINF_SUCCESS;
3011 }
3012 }
3013 return VINF_SUCCESS;
3014}
3015
3016
3017/**
3018 * Worker function that displays one descriptor entry (GDT, LDT, IDT).
3019 *
3020 * @returns pfnPrintf status code.
3021 * @param pCmdHlp The DBGC command helpers.
3022 * @param pDesc The descriptor to display.
3023 * @param iEntry The descriptor entry number.
3024 * @param fHyper Whether the selector belongs to the hypervisor or not.
3025 * @param hAs Address space to use when resolving symbols.
3026 */
3027static int dbgcCmdDumpDTWorker32(PDBGCCMDHLP pCmdHlp, PCX86DESC pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs)
3028{
3029 int rc;
3030
3031 const char *pszHyper = fHyper ? " HYPER" : "";
3032 const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
3033 if (pDesc->Gen.u1DescType)
3034 {
3035 static const char * const s_apszTypes[] =
3036 {
3037 "DataRO", /* 0 Read-Only */
3038 "DataRO", /* 1 Read-Only - Accessed */
3039 "DataRW", /* 2 Read/Write */
3040 "DataRW", /* 3 Read/Write - Accessed */
3041 "DownRO", /* 4 Expand-down, Read-Only */
3042 "DownRO", /* 5 Expand-down, Read-Only - Accessed */
3043 "DownRW", /* 6 Expand-down, Read/Write */
3044 "DownRW", /* 7 Expand-down, Read/Write - Accessed */
3045 "CodeEO", /* 8 Execute-Only */
3046 "CodeEO", /* 9 Execute-Only - Accessed */
3047 "CodeER", /* A Execute/Readable */
3048 "CodeER", /* B Execute/Readable - Accessed */
3049 "ConfE0", /* C Conforming, Execute-Only */
3050 "ConfE0", /* D Conforming, Execute-Only - Accessed */
3051 "ConfER", /* E Conforming, Execute/Readable */
3052 "ConfER" /* F Conforming, Execute/Readable - Accessed */
3053 };
3054 const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
3055 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3056 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3057 uint32_t u32Base = pDesc->Gen.u16BaseLow
3058 | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3059 | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3060 uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16);
3061 if (pDesc->Gen.u1Granularity)
3062 cbLimit <<= PAGE_SHIFT;
3063
3064 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
3065 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3066 pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
3067 pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
3068 }
3069 else
3070 {
3071 static const char * const s_apszTypes[] =
3072 {
3073 "Ill-0 ", /* 0 0000 Reserved (Illegal) */
3074 "Tss16A", /* 1 0001 Available 16-bit TSS */
3075 "LDT ", /* 2 0010 LDT */
3076 "Tss16B", /* 3 0011 Busy 16-bit TSS */
3077 "Call16", /* 4 0100 16-bit Call Gate */
3078 "TaskG ", /* 5 0101 Task Gate */
3079 "Int16 ", /* 6 0110 16-bit Interrupt Gate */
3080 "Trap16", /* 7 0111 16-bit Trap Gate */
3081 "Ill-8 ", /* 8 1000 Reserved (Illegal) */
3082 "Tss32A", /* 9 1001 Available 32-bit TSS */
3083 "Ill-A ", /* A 1010 Reserved (Illegal) */
3084 "Tss32B", /* B 1011 Busy 32-bit TSS */
3085 "Call32", /* C 1100 32-bit Call Gate */
3086 "Ill-D ", /* D 1101 Reserved (Illegal) */
3087 "Int32 ", /* E 1110 32-bit Interrupt Gate */
3088 "Trap32" /* F 1111 32-bit Trap Gate */
3089 };
3090 switch (pDesc->Gen.u4Type)
3091 {
3092 /* raw */
3093 case X86_SEL_TYPE_SYS_UNDEFINED:
3094 case X86_SEL_TYPE_SYS_UNDEFINED2:
3095 case X86_SEL_TYPE_SYS_UNDEFINED4:
3096 case X86_SEL_TYPE_SYS_UNDEFINED3:
3097 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
3098 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
3099 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3100 break;
3101
3102 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
3103 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
3104 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
3105 case X86_SEL_TYPE_SYS_386_TSS_BUSY:
3106 case X86_SEL_TYPE_SYS_LDT:
3107 {
3108 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3109 const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
3110 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3111 uint32_t u32Base = pDesc->Gen.u16BaseLow
3112 | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3113 | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3114 uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16);
3115 if (pDesc->Gen.u1Granularity)
3116 cbLimit <<= PAGE_SHIFT;
3117
3118 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d R=%d%s\n",
3119 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3120 pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszGranularity, pszBig,
3121 pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1),
3122 pszHyper);
3123 break;
3124 }
3125
3126 case X86_SEL_TYPE_SYS_TASK_GATE:
3127 {
3128 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s TSS=%04x DPL=%d %s%s\n",
3129 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc->au16[1],
3130 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3131 break;
3132 }
3133
3134 case X86_SEL_TYPE_SYS_286_CALL_GATE:
3135 case X86_SEL_TYPE_SYS_386_CALL_GATE:
3136 {
3137 unsigned cParams = pDesc->au8[4] & 0x1f;
3138 const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
3139 RTSEL sel = pDesc->au16[1];
3140 uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16);
3141 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3142 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s %s=%d%s%s\n",
3143 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3144 pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : "");
3145 RTStrFree(pszSymbol);
3146 break;
3147 }
3148
3149 case X86_SEL_TYPE_SYS_286_INT_GATE:
3150 case X86_SEL_TYPE_SYS_386_INT_GATE:
3151 case X86_SEL_TYPE_SYS_286_TRAP_GATE:
3152 case X86_SEL_TYPE_SYS_386_TRAP_GATE:
3153 {
3154 RTSEL sel = pDesc->au16[1];
3155 uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16);
3156 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3157 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s%s%s\n",
3158 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3159 pDesc->Gen.u2Dpl, pszPresent, pszHyper, pszSymbol ? pszSymbol : "");
3160 RTStrFree(pszSymbol);
3161 break;
3162 }
3163
3164 /* impossible, just it's necessary to keep gcc happy. */
3165 default:
3166 return VINF_SUCCESS;
3167 }
3168 }
3169 return rc;
3170}
3171
3172
3173/**
3174 * @callback_method_impl{FNDBGCCMD, The 'dg'\, 'dga'\, 'dl' and 'dla' commands.}
3175 */
3176static DECLCALLBACK(int) dbgcCmdDumpDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3177{
3178 /*
3179 * Validate input.
3180 */
3181 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3182
3183 /*
3184 * Get the CPU mode, check which command variation this is
3185 * and fix a default parameter if needed.
3186 */
3187 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3188 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
3189 CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
3190 bool fGdt = pCmd->pszCmd[1] == 'g';
3191 bool fAll = pCmd->pszCmd[2] == 'a';
3192 RTSEL SelTable = fGdt ? 0 : X86_SEL_LDT;
3193
3194 DBGCVAR Var;
3195 if (!cArgs)
3196 {
3197 cArgs = 1;
3198 paArgs = &Var;
3199 Var.enmType = DBGCVAR_TYPE_NUMBER;
3200 Var.u.u64Number = fGdt ? 0 : 4;
3201 Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3202 Var.u64Range = 1024;
3203 }
3204
3205 /*
3206 * Process the arguments.
3207 */
3208 for (unsigned i = 0; i < cArgs; i++)
3209 {
3210 /*
3211 * Retrieve the selector value from the argument.
3212 * The parser may confuse pointers and numbers if more than one
3213 * argument is given, that that into account.
3214 */
3215 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER || DBGCVAR_ISPOINTER(paArgs[i].enmType));
3216 uint64_t u64;
3217 unsigned cSels = 1;
3218 switch (paArgs[i].enmType)
3219 {
3220 case DBGCVAR_TYPE_NUMBER:
3221 u64 = paArgs[i].u.u64Number;
3222 if (paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE)
3223 cSels = RT_MIN(paArgs[i].u64Range, 1024);
3224 break;
3225 case DBGCVAR_TYPE_GC_FAR: u64 = paArgs[i].u.GCFar.sel; break;
3226 case DBGCVAR_TYPE_GC_FLAT: u64 = paArgs[i].u.GCFlat; break;
3227 case DBGCVAR_TYPE_GC_PHYS: u64 = paArgs[i].u.GCPhys; break;
3228 case DBGCVAR_TYPE_HC_FLAT: u64 = (uintptr_t)paArgs[i].u.pvHCFlat; break;
3229 case DBGCVAR_TYPE_HC_PHYS: u64 = paArgs[i].u.HCPhys; break;
3230 default: u64 = _64K; break;
3231 }
3232 if (u64 < _64K)
3233 {
3234 unsigned Sel = (RTSEL)u64;
3235
3236 /*
3237 * Dump the specified range.
3238 */
3239 bool fSingle = cSels == 1;
3240 while ( cSels-- > 0
3241 && Sel < _64K)
3242 {
3243 DBGFSELINFO SelInfo;
3244 int rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, Sel | SelTable, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
3245 if (RT_SUCCESS(rc))
3246 {
3247 if (SelInfo.fFlags & DBGFSELINFO_FLAGS_REAL_MODE)
3248 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x RealM Bas=%04x Lim=%04x\n",
3249 Sel, (unsigned)SelInfo.GCPtrBase, (unsigned)SelInfo.cbLimit);
3250 else if ( fAll
3251 || fSingle
3252 || SelInfo.u.Raw.Gen.u1Present)
3253 {
3254 if (enmMode == CPUMMODE_PROTECTED)
3255 rc = dbgcCmdDumpDTWorker32(pCmdHlp, &SelInfo.u.Raw, Sel,
3256 !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL);
3257 else
3258 {
3259 bool fDblSkip = false;
3260 rc = dbgcCmdDumpDTWorker64(pCmdHlp, &SelInfo.u.Raw64, Sel,
3261 !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL, &fDblSkip);
3262 if (fDblSkip)
3263 Sel += 4;
3264 }
3265 }
3266 }
3267 else
3268 {
3269 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %Rrc\n", Sel, rc);
3270 if (!fAll)
3271 return rc;
3272 }
3273 if (RT_FAILURE(rc))
3274 return rc;
3275
3276 /* next */
3277 Sel += 8;
3278 }
3279 }
3280 else
3281 DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds\n", u64);
3282 }
3283
3284 return VINF_SUCCESS;
3285}
3286
3287
3288/**
3289 * @callback_method_impl{FNDBGCCMD, The 'di' and 'dia' commands.}
3290 */
3291static DECLCALLBACK(int) dbgcCmdDumpIDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3292{
3293 /*
3294 * Validate input.
3295 */
3296 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3297
3298 /*
3299 * Establish some stuff like the current IDTR and CPU mode,
3300 * and fix a default parameter.
3301 */
3302 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3303 CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp);
3304 uint16_t cbLimit = 0;
3305 uint64_t GCFlat = 0;
3306 int rc = DBGFR3RegCpuQueryXdtr(pDbgc->pUVM, pDbgc->idCpu, DBGFREG_IDTR, &GCFlat, &cbLimit);
3307 if (RT_FAILURE(rc))
3308 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3RegCpuQueryXdtr/DBGFREG_IDTR");
3309 unsigned cbEntry;
3310 switch (enmMode)
3311 {
3312 case CPUMMODE_REAL: cbEntry = sizeof(RTFAR16); break;
3313 case CPUMMODE_PROTECTED: cbEntry = sizeof(X86DESC); break;
3314 case CPUMMODE_LONG: cbEntry = sizeof(X86DESC64); break;
3315 default:
3316 return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid CPU mode %d.\n", enmMode);
3317 }
3318
3319 bool fAll = pCmd->pszCmd[2] == 'a';
3320 DBGCVAR Var;
3321 if (!cArgs)
3322 {
3323 cArgs = 1;
3324 paArgs = &Var;
3325 Var.enmType = DBGCVAR_TYPE_NUMBER;
3326 Var.u.u64Number = 0;
3327 Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3328 Var.u64Range = 256;
3329 }
3330
3331 /*
3332 * Process the arguments.
3333 */
3334 for (unsigned i = 0; i < cArgs; i++)
3335 {
3336 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER);
3337 if (paArgs[i].u.u64Number < 256)
3338 {
3339 RTGCUINTPTR iInt = (RTGCUINTPTR)paArgs[i].u.u64Number;
3340 unsigned cInts = paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE
3341 ? paArgs[i].u64Range
3342 : 1;
3343 bool fSingle = cInts == 1;
3344 while ( cInts-- > 0
3345 && iInt < 256)
3346 {
3347 /*
3348 * Try read it.
3349 */
3350 union
3351 {
3352 RTFAR16 Real;
3353 X86DESC Prot;
3354 X86DESC64 Long;
3355 } u;
3356 if (iInt * cbEntry + (cbEntry - 1) > cbLimit)
3357 {
3358 DBGCCmdHlpPrintf(pCmdHlp, "%04x not within the IDT\n", (unsigned)iInt);
3359 if (!fAll && !fSingle)
3360 return VINF_SUCCESS;
3361 }
3362 DBGCVAR AddrVar;
3363 AddrVar.enmType = DBGCVAR_TYPE_GC_FLAT;
3364 AddrVar.u.GCFlat = GCFlat + iInt * cbEntry;
3365 AddrVar.enmRangeType = DBGCVAR_RANGE_NONE;
3366 rc = pCmdHlp->pfnMemRead(pCmdHlp, &u, cbEntry, &AddrVar, NULL);
3367 if (RT_FAILURE(rc))
3368 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading IDT entry %#04x.\n", (unsigned)iInt);
3369
3370 /*
3371 * Display it.
3372 */
3373 switch (enmMode)
3374 {
3375 case CPUMMODE_REAL:
3376 {
3377 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, DBGF_AS_GLOBAL, u.Real.sel, u.Real.off, " (", ")");
3378 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %RTfp16%s\n", (unsigned)iInt, u.Real, pszSymbol ? pszSymbol : "");
3379 RTStrFree(pszSymbol);
3380 break;
3381 }
3382 case CPUMMODE_PROTECTED:
3383 if (fAll || fSingle || u.Prot.Gen.u1Present)
3384 rc = dbgcCmdDumpDTWorker32(pCmdHlp, &u.Prot, iInt, false, DBGF_AS_GLOBAL);
3385 break;
3386 case CPUMMODE_LONG:
3387 if (fAll || fSingle || u.Long.Gen.u1Present)
3388 rc = dbgcCmdDumpDTWorker64(pCmdHlp, &u.Long, iInt, false, DBGF_AS_GLOBAL, NULL);
3389 break;
3390 default: break; /* to shut up gcc */
3391 }
3392 if (RT_FAILURE(rc))
3393 return rc;
3394
3395 /* next */
3396 iInt++;
3397 }
3398 }
3399 else
3400 DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds (max 256)\n", paArgs[i].u.u64Number);
3401 }
3402
3403 return VINF_SUCCESS;
3404}
3405
3406
3407/**
3408 * @callback_method_impl{FNDBGCCMD,
3409 * The 'da'\, 'dq'\, 'dqs'\, 'dd'\, 'dds'\, 'dw'\, 'db'\, 'dp'\, 'dps'\,
3410 * and 'du' commands.}
3411 */
3412static DECLCALLBACK(int) dbgcCmdDumpMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3413{
3414 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3415
3416 /*
3417 * Validate input.
3418 */
3419 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3420 if (cArgs == 1)
3421 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3422 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3423
3424#define DBGC_DUMP_MEM_F_ASCII RT_BIT_32(31)
3425#define DBGC_DUMP_MEM_F_UNICODE RT_BIT_32(30)
3426#define DBGC_DUMP_MEM_F_FAR RT_BIT_32(29)
3427#define DBGC_DUMP_MEM_F_SYMBOLS RT_BIT_32(28)
3428#define DBGC_DUMP_MEM_F_SIZE UINT32_C(0x0000ffff)
3429
3430 /*
3431 * Figure out the element size.
3432 */
3433 unsigned cbElement;
3434 bool fAscii = false;
3435 bool fUnicode = false;
3436 bool fFar = false;
3437 bool fSymbols = pCmd->pszCmd[1] && pCmd->pszCmd[2] == 's';
3438 switch (pCmd->pszCmd[1])
3439 {
3440 default:
3441 case 'b': cbElement = 1; break;
3442 case 'w': cbElement = 2; break;
3443 case 'd': cbElement = 4; break;
3444 case 'q': cbElement = 8; break;
3445 case 'a':
3446 cbElement = 1;
3447 fAscii = true;
3448 break;
3449 case 'F':
3450 cbElement = 4;
3451 fFar = true;
3452 break;
3453 case 'p':
3454 cbElement = DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu) ? 8 : 4;
3455 break;
3456 case 'u':
3457 cbElement = 2;
3458 fUnicode = true;
3459 break;
3460 case '\0':
3461 fAscii = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_ASCII);
3462 fSymbols = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SYMBOLS);
3463 fUnicode = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_UNICODE);
3464 fFar = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_FAR);
3465 cbElement = pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SIZE;
3466 if (!cbElement)
3467 cbElement = 1;
3468 break;
3469 }
3470 uint32_t const cbDumpElement = cbElement
3471 | (fSymbols ? DBGC_DUMP_MEM_F_SYMBOLS : 0)
3472 | (fFar ? DBGC_DUMP_MEM_F_FAR : 0)
3473 | (fUnicode ? DBGC_DUMP_MEM_F_UNICODE : 0)
3474 | (fAscii ? DBGC_DUMP_MEM_F_ASCII : 0);
3475 pDbgc->cbDumpElement = cbDumpElement;
3476
3477 /*
3478 * Find address.
3479 */
3480 if (!cArgs)
3481 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_NONE;
3482 else
3483 pDbgc->DumpPos = paArgs[0];
3484
3485 /*
3486 * Range.
3487 */
3488 switch (pDbgc->DumpPos.enmRangeType)
3489 {
3490 case DBGCVAR_RANGE_NONE:
3491 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3492 pDbgc->DumpPos.u64Range = 0x60;
3493 break;
3494
3495 case DBGCVAR_RANGE_ELEMENTS:
3496 if (pDbgc->DumpPos.u64Range > 2048)
3497 return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many elements requested. Max is 2048 elements.\n");
3498 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3499 pDbgc->DumpPos.u64Range = (cbElement ? cbElement : 1) * pDbgc->DumpPos.u64Range;
3500 break;
3501
3502 case DBGCVAR_RANGE_BYTES:
3503 if (pDbgc->DumpPos.u64Range > 65536)
3504 return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
3505 break;
3506
3507 default:
3508 return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->DumpPos.enmRangeType);
3509 }
3510
3511 pDbgc->pLastPos = &pDbgc->DumpPos;
3512
3513 /*
3514 * Do the dumping.
3515 */
3516 int cbLeft = (int)pDbgc->DumpPos.u64Range;
3517 uint8_t u16Prev = '\0';
3518 for (;;)
3519 {
3520 /*
3521 * Read memory.
3522 */
3523 char achBuffer[16];
3524 size_t cbReq = RT_MIN((int)sizeof(achBuffer), cbLeft);
3525 size_t cb = RT_MIN((int)sizeof(achBuffer), cbLeft);
3526 int rc = pCmdHlp->pfnMemRead(pCmdHlp, &achBuffer, cbReq, &pDbgc->DumpPos, &cb);
3527 if (RT_FAILURE(rc))
3528 {
3529 if (u16Prev && u16Prev != '\n')
3530 DBGCCmdHlpPrintf(pCmdHlp, "\n");
3531 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading memory at %DV.\n", &pDbgc->DumpPos);
3532 }
3533
3534 /*
3535 * Display it.
3536 */
3537 memset(&achBuffer[cb], 0, sizeof(achBuffer) - cb);
3538 if (!fAscii && !fUnicode)
3539 {
3540 DBGCCmdHlpPrintf(pCmdHlp, "%DV:", &pDbgc->DumpPos);
3541 unsigned i;
3542 for (i = 0; i < cb; i += cbElement)
3543 {
3544 const char *pszSpace = " ";
3545 if (cbElement <= 2 && i == 8)
3546 pszSpace = "-";
3547 switch (cbElement)
3548 {
3549 case 1:
3550 DBGCCmdHlpPrintf(pCmdHlp, "%s%02x", pszSpace, *(uint8_t *)&achBuffer[i]);
3551 break;
3552 case 2:
3553 DBGCCmdHlpPrintf(pCmdHlp, "%s%04x", pszSpace, *(uint16_t *)&achBuffer[i]);
3554 break;
3555 case 4:
3556 if (!fFar)
3557 DBGCCmdHlpPrintf(pCmdHlp, "%s%08x", pszSpace, *(uint32_t *)&achBuffer[i]);
3558 else
3559 DBGCCmdHlpPrintf(pCmdHlp, "%s%04x:%04x:",
3560 pszSpace, *(uint16_t *)&achBuffer[i + 2], *(uint16_t *)&achBuffer[i]);
3561 break;
3562 case 8:
3563 DBGCCmdHlpPrintf(pCmdHlp, "%s%016llx", pszSpace, *(uint64_t *)&achBuffer[i]);
3564 break;
3565 }
3566
3567 if (fSymbols)
3568 {
3569 /* Try lookup symbol for the above address. */
3570 DBGFADDRESS Addr;
3571 rc = VINF_SUCCESS;
3572 if (cbElement == 8)
3573 DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, *(uint64_t *)&achBuffer[i]);
3574 else if (!fFar)
3575 DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, *(uint32_t *)&achBuffer[i]);
3576 else
3577 rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr,
3578 *(uint16_t *)&achBuffer[i + 2], *(uint16_t *)&achBuffer[i]);
3579 if (RT_SUCCESS(rc))
3580 {
3581 RTINTPTR offDisp;
3582 RTDBGSYMBOL Symbol;
3583 rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, &Addr,
3584 RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
3585 &offDisp, &Symbol, NULL);
3586 if (RT_SUCCESS(rc))
3587 {
3588 if (!offDisp)
3589 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", Symbol.szName);
3590 else if (offDisp > 0)
3591 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s + %RGv", Symbol.szName, offDisp);
3592 else
3593 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s - %RGv", Symbol.szName, -offDisp);
3594 if (Symbol.cb > 0)
3595 rc = DBGCCmdHlpPrintf(pCmdHlp, " (LB %RGv)", Symbol.cb);
3596 }
3597 }
3598
3599 /* Next line prefix. */
3600 unsigned iNext = i + cbElement;
3601 if (iNext < cb)
3602 {
3603 DBGCVAR TmpPos = pDbgc->DumpPos;
3604 DBGCCmdHlpEval(pCmdHlp, &TmpPos, "(%Dv) + %x", &pDbgc->DumpPos, iNext);
3605 DBGCCmdHlpPrintf(pCmdHlp, "\n%DV:", &pDbgc->DumpPos);
3606 }
3607 }
3608 }
3609
3610 /* Chars column. */
3611 if (cbElement == 1)
3612 {
3613 while (i++ < sizeof(achBuffer))
3614 DBGCCmdHlpPrintf(pCmdHlp, " ");
3615 DBGCCmdHlpPrintf(pCmdHlp, " ");
3616 for (i = 0; i < cb; i += cbElement)
3617 {
3618 uint8_t u8 = *(uint8_t *)&achBuffer[i];
3619 if (RT_C_IS_PRINT(u8) && u8 < 127 && u8 >= 32)
3620 DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
3621 else
3622 DBGCCmdHlpPrintf(pCmdHlp, ".");
3623 }
3624 }
3625 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3626 }
3627 else
3628 {
3629 /*
3630 * We print up to the first zero and stop there.
3631 * Only printables + '\t' and '\n' are printed.
3632 */
3633 if (!u16Prev)
3634 DBGCCmdHlpPrintf(pCmdHlp, "%DV:\n", &pDbgc->DumpPos);
3635 uint16_t u16 = '\0';
3636 unsigned i;
3637 for (i = 0; i < cb; i += cbElement)
3638 {
3639 u16Prev = u16;
3640 if (cbElement == 1)
3641 u16 = *(uint8_t *)&achBuffer[i];
3642 else
3643 u16 = *(uint16_t *)&achBuffer[i];
3644 if ( u16 < 127
3645 && ( (RT_C_IS_PRINT(u16) && u16 >= 32)
3646 || u16 == '\t'
3647 || u16 == '\n'))
3648 DBGCCmdHlpPrintf(pCmdHlp, "%c", (int)u16);
3649 else if (!u16)
3650 break;
3651 else
3652 DBGCCmdHlpPrintf(pCmdHlp, "\\x%0*x", cbElement * 2, u16);
3653 }
3654 if (u16 == '\0')
3655 cb = cbLeft = i + 1;
3656 if (cbLeft - cb <= 0 && u16Prev != '\n')
3657 DBGCCmdHlpPrintf(pCmdHlp, "\n");
3658 }
3659
3660 /*
3661 * Advance
3662 */
3663 cbLeft -= (int)cb;
3664 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DumpPos, "(%Dv) + %x", &pDbgc->DumpPos, cb);
3665 if (RT_FAILURE(rc))
3666 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->DumpPos, cb);
3667 if (cbLeft <= 0)
3668 break;
3669 }
3670
3671 NOREF(pCmd);
3672 return VINF_SUCCESS;
3673}
3674
3675
3676/**
3677 * Best guess at which paging mode currently applies to the guest
3678 * paging structures.
3679 *
3680 * This have to come up with a decent answer even when the guest
3681 * is in non-paged protected mode or real mode.
3682 *
3683 * @returns cr3.
3684 * @param pDbgc The DBGC instance.
3685 * @param pfPAE Where to store the page address extension indicator.
3686 * @param pfLME Where to store the long mode enabled indicator.
3687 * @param pfPSE Where to store the page size extension indicator.
3688 * @param pfPGE Where to store the page global enabled indicator.
3689 * @param pfNXE Where to store the no-execution enabled indicator.
3690 */
3691static RTGCPHYS dbgcGetGuestPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE)
3692{
3693 PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3694 RTGCUINTREG cr4 = CPUMGetGuestCR4(pVCpu);
3695 *pfPSE = !!(cr4 & X86_CR4_PSE);
3696 *pfPGE = !!(cr4 & X86_CR4_PGE);
3697 if (cr4 & X86_CR4_PAE)
3698 {
3699 *pfPSE = true;
3700 *pfPAE = true;
3701 }
3702 else
3703 *pfPAE = false;
3704
3705 *pfLME = CPUMGetGuestMode(pVCpu) == CPUMMODE_LONG;
3706 *pfNXE = false; /* GUEST64 GUESTNX */
3707 return CPUMGetGuestCR3(pVCpu);
3708}
3709
3710
3711/**
3712 * Determine the shadow paging mode.
3713 *
3714 * @returns cr3.
3715 * @param pDbgc The DBGC instance.
3716 * @param pfPAE Where to store the page address extension indicator.
3717 * @param pfLME Where to store the long mode enabled indicator.
3718 * @param pfPSE Where to store the page size extension indicator.
3719 * @param pfPGE Where to store the page global enabled indicator.
3720 * @param pfNXE Where to store the no-execution enabled indicator.
3721 */
3722static RTHCPHYS dbgcGetShadowPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE)
3723{
3724 PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3725
3726 *pfPSE = true;
3727 *pfPGE = false;
3728 switch (PGMGetShadowMode(pVCpu))
3729 {
3730 default:
3731 case PGMMODE_32_BIT:
3732 *pfPAE = *pfLME = *pfNXE = false;
3733 break;
3734 case PGMMODE_PAE:
3735 *pfLME = *pfNXE = false;
3736 *pfPAE = true;
3737 break;
3738 case PGMMODE_PAE_NX:
3739 *pfLME = false;
3740 *pfPAE = *pfNXE = true;
3741 break;
3742 case PGMMODE_AMD64:
3743 *pfNXE = false;
3744 *pfPAE = *pfLME = true;
3745 break;
3746 case PGMMODE_AMD64_NX:
3747 *pfPAE = *pfLME = *pfNXE = true;
3748 break;
3749 }
3750 return PGMGetHyperCR3(pVCpu);
3751}
3752
3753
3754/**
3755 * @callback_method_impl{FNDBGCCMD,
3756 * The 'dpd'\, 'dpda'\, 'dpdb'\, 'dpdg' and 'dpdh' commands.}
3757 */
3758static DECLCALLBACK(int) dbgcCmdDumpPageDir(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3759{
3760 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3761
3762 /*
3763 * Validate input.
3764 */
3765 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3766 if (cArgs == 1 && pCmd->pszCmd[3] == 'a')
3767 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3768 if (cArgs == 1 && pCmd->pszCmd[3] != 'a')
3769 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3770 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
3771 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3772
3773 /*
3774 * Guest or shadow page directories? Get the paging parameters.
3775 */
3776 bool fGuest = pCmd->pszCmd[3] != 'h';
3777 if (!pCmd->pszCmd[3] || pCmd->pszCmd[3] == 'a')
3778 fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER ? true : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
3779
3780 bool fPAE, fLME, fPSE, fPGE, fNXE;
3781 uint64_t cr3 = fGuest
3782 ? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
3783 : dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
3784 const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
3785
3786 /*
3787 * Setup default argument if none was specified.
3788 * Fix address / index confusion.
3789 */
3790 DBGCVAR VarDefault;
3791 if (!cArgs)
3792 {
3793 if (pCmd->pszCmd[3] == 'a')
3794 {
3795 if (fLME || fPAE)
3796 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");
3797 if (fGuest)
3798 DBGCVAR_INIT_GC_PHYS(&VarDefault, cr3);
3799 else
3800 DBGCVAR_INIT_HC_PHYS(&VarDefault, cr3);
3801 }
3802 else
3803 DBGCVAR_INIT_GC_FLAT(&VarDefault, 0);
3804 paArgs = &VarDefault;
3805 cArgs = 1;
3806 }
3807 else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
3808 {
3809 /* If it's a number (not an address), it's an index, so convert it to an address. */
3810 Assert(pCmd->pszCmd[3] != 'a');
3811 VarDefault = paArgs[0];
3812 if (fPAE)
3813 return DBGCCmdHlpPrintf(pCmdHlp, "PDE indexing is only implemented for 32-bit paging.\n");
3814 if (VarDefault.u.u64Number >= PAGE_SIZE / cbEntry)
3815 return DBGCCmdHlpPrintf(pCmdHlp, "PDE index is out of range [0..%d].\n", PAGE_SIZE / cbEntry - 1);
3816 VarDefault.u.u64Number <<= X86_PD_SHIFT;
3817 VarDefault.enmType = DBGCVAR_TYPE_GC_FLAT;
3818 paArgs = &VarDefault;
3819 }
3820
3821 /*
3822 * Locate the PDE to start displaying at.
3823 *
3824 * The 'dpda' command takes the address of a PDE, while the others are guest
3825 * virtual address which PDEs should be displayed. So, 'dpda' is rather simple
3826 * while the others require us to do all the tedious walking thru the paging
3827 * hierarchy to find the intended PDE.
3828 */
3829 unsigned iEntry = ~0U; /* The page directory index. ~0U for 'dpta'. */
3830 DBGCVAR VarGCPtr = { NULL, }; /* The GC address corresponding to the current PDE (iEntry != ~0U). */
3831 DBGCVAR VarPDEAddr; /* The address of the current PDE. */
3832 unsigned cEntries; /* The number of entries to display. */
3833 unsigned cEntriesMax; /* The max number of entries to display. */
3834 int rc;
3835 if (pCmd->pszCmd[3] == 'a')
3836 {
3837 VarPDEAddr = paArgs[0];
3838 switch (VarPDEAddr.enmRangeType)
3839 {
3840 case DBGCVAR_RANGE_BYTES: cEntries = VarPDEAddr.u64Range / cbEntry; break;
3841 case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPDEAddr.u64Range; break;
3842 default: cEntries = 10; break;
3843 }
3844 cEntriesMax = PAGE_SIZE / cbEntry;
3845 }
3846 else
3847 {
3848 /*
3849 * Determine the range.
3850 */
3851 switch (paArgs[0].enmRangeType)
3852 {
3853 case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
3854 case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
3855 default: cEntries = 10; break;
3856 }
3857
3858 /*
3859 * Normalize the input address, it must be a flat GC address.
3860 */
3861 rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
3862 if (RT_FAILURE(rc))
3863 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
3864 if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
3865 {
3866 VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
3867 VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
3868 }
3869 if (fPAE)
3870 VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_PAE_SHIFT) - 1);
3871 else
3872 VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_SHIFT) - 1);
3873
3874 /*
3875 * Do the paging walk until we get to the page directory.
3876 */
3877 DBGCVAR VarCur;
3878 if (fGuest)
3879 DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
3880 else
3881 DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
3882 if (fLME)
3883 {
3884 /* Page Map Level 4 Lookup. */
3885 /* Check if it's a valid address first? */
3886 VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
3887 VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
3888 X86PML4E Pml4e;
3889 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
3890 if (RT_FAILURE(rc))
3891 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
3892 if (!Pml4e.n.u1Present)
3893 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
3894
3895 VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
3896 Assert(fPAE);
3897 }
3898 if (fPAE)
3899 {
3900 /* Page directory pointer table. */
3901 X86PDPE Pdpe;
3902 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
3903 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
3904 if (RT_FAILURE(rc))
3905 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
3906 if (!Pdpe.n.u1Present)
3907 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
3908
3909 iEntry = (VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK;
3910 VarPDEAddr = VarCur;
3911 VarPDEAddr.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
3912 VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDEPAE);
3913 }
3914 else
3915 {
3916 /* 32-bit legacy - CR3 == page directory. */
3917 iEntry = (VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK;
3918 VarPDEAddr = VarCur;
3919 VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDE);
3920 }
3921 cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
3922 }
3923
3924 /* adjust cEntries */
3925 cEntries = RT_MAX(1, cEntries);
3926 cEntries = RT_MIN(cEntries, cEntriesMax);
3927
3928 /*
3929 * The display loop.
3930 */
3931 DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (index %#x):\n" : "%DV:\n",
3932 &VarPDEAddr, iEntry);
3933 do
3934 {
3935 /*
3936 * Read.
3937 */
3938 X86PDEPAE Pde;
3939 Pde.u = 0;
3940 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, cbEntry, &VarPDEAddr, NULL);
3941 if (RT_FAILURE(rc))
3942 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarPDEAddr);
3943
3944 /*
3945 * Display.
3946 */
3947 if (iEntry != ~0U)
3948 {
3949 DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
3950 iEntry++;
3951 }
3952 if (fPSE && Pde.b.u1Size)
3953 DBGCCmdHlpPrintf(pCmdHlp,
3954 fPAE
3955 ? "%016llx big phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
3956 : "%08llx big phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
3957 Pde.u,
3958 Pde.u & X86_PDE_PAE_PG_MASK,
3959 Pde.b.u1Present ? "p " : "np",
3960 Pde.b.u1Write ? "w" : "r",
3961 Pde.b.u1User ? "u" : "s",
3962 Pde.b.u1Accessed ? "a " : "na",
3963 Pde.b.u1Dirty ? "d " : "nd",
3964 Pde.b.u3Available,
3965 Pde.b.u1Global ? (fPGE ? "g" : "G") : " ",
3966 Pde.b.u1WriteThru ? "pwt" : " ",
3967 Pde.b.u1CacheDisable ? "pcd" : " ",
3968 Pde.b.u1PAT ? "pat" : "",
3969 Pde.b.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
3970 else
3971 DBGCCmdHlpPrintf(pCmdHlp,
3972 fPAE
3973 ? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s"
3974 : "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s",
3975 Pde.u,
3976 Pde.u & X86_PDE_PAE_PG_MASK,
3977 Pde.n.u1Present ? "p " : "np",
3978 Pde.n.u1Write ? "w" : "r",
3979 Pde.n.u1User ? "u" : "s",
3980 Pde.n.u1Accessed ? "a " : "na",
3981 Pde.u & RT_BIT(6) ? "6 " : " ",
3982 Pde.n.u3Available,
3983 Pde.u & RT_BIT(8) ? "8" : " ",
3984 Pde.n.u1WriteThru ? "pwt" : " ",
3985 Pde.n.u1CacheDisable ? "pcd" : " ",
3986 Pde.u & RT_BIT(7) ? "7" : "",
3987 Pde.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
3988 if (Pde.u & UINT64_C(0x7fff000000000000))
3989 DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pde.u & UINT64_C(0x7fff000000000000)));
3990 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3991 if (RT_FAILURE(rc))
3992 return rc;
3993
3994 /*
3995 * Advance.
3996 */
3997 VarPDEAddr.u.u64Number += cbEntry;
3998 if (iEntry != ~0U)
3999 VarGCPtr.u.GCFlat += fPAE ? RT_BIT_32(X86_PD_PAE_SHIFT) : RT_BIT_32(X86_PD_SHIFT);
4000 } while (cEntries-- > 0);
4001
4002 return VINF_SUCCESS;
4003}
4004
4005
4006/**
4007 * @callback_method_impl{FNDBGCCMD, The 'dpdb' command.}
4008 */
4009static DECLCALLBACK(int) dbgcCmdDumpPageDirBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4010{
4011 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4012 int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dpdg %DV", &paArgs[0]);
4013 int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpdh %DV", &paArgs[0]);
4014 if (RT_FAILURE(rc1))
4015 return rc1;
4016 NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
4017 return rc2;
4018}
4019
4020
4021/**
4022 * @callback_method_impl{FNDBGCCMD, The 'dph*' commands and main part of 'm'.}
4023 */
4024static DECLCALLBACK(int) dbgcCmdDumpPageHierarchy(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4025{
4026 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4027 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4028
4029 /*
4030 * Figure the context and base flags.
4031 */
4032 uint32_t fFlags = DBGFPGDMP_FLAGS_PAGE_INFO | DBGFPGDMP_FLAGS_PRINT_CR3;
4033 if (pCmd->pszCmd[0] == 'm')
4034 fFlags |= DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW;
4035 else if (pCmd->pszCmd[3] == '\0')
4036 fFlags |= DBGFPGDMP_FLAGS_GUEST;
4037 else if (pCmd->pszCmd[3] == 'g')
4038 fFlags |= DBGFPGDMP_FLAGS_GUEST;
4039 else if (pCmd->pszCmd[3] == 'h')
4040 fFlags |= DBGFPGDMP_FLAGS_SHADOW;
4041 else
4042 AssertFailed();
4043
4044 if (pDbgc->cPagingHierarchyDumps == 0)
4045 fFlags |= DBGFPGDMP_FLAGS_HEADER;
4046 pDbgc->cPagingHierarchyDumps = (pDbgc->cPagingHierarchyDumps + 1) % 42;
4047
4048 /*
4049 * Get the range.
4050 */
4051 PCDBGCVAR pRange = cArgs > 0 ? &paArgs[0] : pDbgc->pLastPos;
4052 RTGCPTR GCPtrFirst = NIL_RTGCPTR;
4053 int rc = DBGCCmdHlpVarToFlatAddr(pCmdHlp, pRange, &GCPtrFirst);
4054 if (RT_FAILURE(rc))
4055 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to convert %DV to a flat address: %Rrc", pRange, rc);
4056
4057 uint64_t cbRange;
4058 rc = DBGCCmdHlpVarGetRange(pCmdHlp, pRange, PAGE_SIZE, PAGE_SIZE * 8, &cbRange);
4059 if (RT_FAILURE(rc))
4060 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to obtain the range of %DV: %Rrc", pRange, rc);
4061
4062 RTGCPTR GCPtrLast = RTGCPTR_MAX - GCPtrFirst;
4063 if (cbRange >= GCPtrLast)
4064 GCPtrLast = RTGCPTR_MAX;
4065 else if (!cbRange)
4066 GCPtrLast = GCPtrFirst;
4067 else
4068 GCPtrLast = GCPtrFirst + cbRange - 1;
4069
4070 /*
4071 * Do we have a CR3?
4072 */
4073 uint64_t cr3 = 0;
4074 if (cArgs > 1)
4075 {
4076 if ((fFlags & (DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW)) == (DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW))
4077 return DBGCCmdHlpFail(pCmdHlp, pCmd, "No CR3 or mode arguments when dumping both context, please.");
4078 if (paArgs[1].enmType != DBGCVAR_TYPE_NUMBER)
4079 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The CR3 argument is not a number: %DV", &paArgs[1]);
4080 cr3 = paArgs[1].u.u64Number;
4081 }
4082 else
4083 fFlags |= DBGFPGDMP_FLAGS_CURRENT_CR3;
4084
4085 /*
4086 * Do we have a mode?
4087 */
4088 if (cArgs > 2)
4089 {
4090 if (paArgs[2].enmType != DBGCVAR_TYPE_STRING)
4091 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The mode argument is not a string: %DV", &paArgs[2]);
4092 static const struct MODETOFLAGS
4093 {
4094 const char *pszName;
4095 uint32_t fFlags;
4096 } s_aModeToFlags[] =
4097 {
4098 { "ept", DBGFPGDMP_FLAGS_EPT },
4099 { "legacy", 0 },
4100 { "legacy-np", DBGFPGDMP_FLAGS_NP },
4101 { "pse", DBGFPGDMP_FLAGS_PSE },
4102 { "pse-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_NP },
4103 { "pae", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE },
4104 { "pae-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NP },
4105 { "pae-nx", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NXE },
4106 { "pae-nx-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NXE | DBGFPGDMP_FLAGS_NP },
4107 { "long", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME },
4108 { "long-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NP },
4109 { "long-nx", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NXE },
4110 { "long-nx-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NXE | DBGFPGDMP_FLAGS_NP }
4111 };
4112 int i = RT_ELEMENTS(s_aModeToFlags);
4113 while (i-- > 0)
4114 if (!strcmp(s_aModeToFlags[i].pszName, paArgs[2].u.pszString))
4115 {
4116 fFlags |= s_aModeToFlags[i].fFlags;
4117 break;
4118 }
4119 if (i < 0)
4120 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown mode: \"%s\"", paArgs[2].u.pszString);
4121 }
4122 else
4123 fFlags |= DBGFPGDMP_FLAGS_CURRENT_MODE;
4124
4125 /*
4126 * Call the worker.
4127 */
4128 rc = DBGFR3PagingDumpEx(pUVM, pDbgc->idCpu, fFlags, cr3, GCPtrFirst, GCPtrLast, 99 /*cMaxDepth*/,
4129 DBGCCmdHlpGetDbgfOutputHlp(pCmdHlp));
4130 if (RT_FAILURE(rc))
4131 return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3PagingDumpEx: %Rrc\n", rc);
4132 return VINF_SUCCESS;
4133}
4134
4135
4136
4137/**
4138 * @callback_method_impl{FNDBGCCMD, The 'dpg*' commands.}
4139 */
4140static DECLCALLBACK(int) dbgcCmdDumpPageTable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4141{
4142 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4143
4144 /*
4145 * Validate input.
4146 */
4147 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1);
4148 if (pCmd->pszCmd[3] == 'a')
4149 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
4150 else
4151 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
4152 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
4153 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4154
4155 /*
4156 * Guest or shadow page tables? Get the paging parameters.
4157 */
4158 bool fGuest = pCmd->pszCmd[3] != 'h';
4159 if (!pCmd->pszCmd[3] || pCmd->pszCmd[3] == 'a')
4160 fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER ? true : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
4161
4162 bool fPAE, fLME, fPSE, fPGE, fNXE;
4163 uint64_t cr3 = fGuest
4164 ? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
4165 : dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
4166 const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
4167
4168 /*
4169 * Locate the PTE to start displaying at.
4170 *
4171 * The 'dpta' command takes the address of a PTE, while the others are guest
4172 * virtual address which PTEs should be displayed. So, 'pdta' is rather simple
4173 * while the others require us to do all the tedious walking thru the paging
4174 * hierarchy to find the intended PTE.
4175 */
4176 unsigned iEntry = ~0U; /* The page table index. ~0U for 'dpta'. */
4177 DBGCVAR VarGCPtr; /* The GC address corresponding to the current PTE (iEntry != ~0U). */
4178 DBGCVAR VarPTEAddr; /* The address of the current PTE. */
4179 unsigned cEntries; /* The number of entries to display. */
4180 unsigned cEntriesMax; /* The max number of entries to display. */
4181 int rc;
4182 if (pCmd->pszCmd[3] == 'a')
4183 {
4184 VarPTEAddr = paArgs[0];
4185 switch (VarPTEAddr.enmRangeType)
4186 {
4187 case DBGCVAR_RANGE_BYTES: cEntries = VarPTEAddr.u64Range / cbEntry; break;
4188 case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPTEAddr.u64Range; break;
4189 default: cEntries = 10; break;
4190 }
4191 cEntriesMax = PAGE_SIZE / cbEntry;
4192 }
4193 else
4194 {
4195 /*
4196 * Determine the range.
4197 */
4198 switch (paArgs[0].enmRangeType)
4199 {
4200 case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
4201 case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
4202 default: cEntries = 10; break;
4203 }
4204
4205 /*
4206 * Normalize the input address, it must be a flat GC address.
4207 */
4208 rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
4209 if (RT_FAILURE(rc))
4210 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
4211 if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
4212 {
4213 VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
4214 VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
4215 }
4216 VarGCPtr.u.GCFlat &= ~(RTGCPTR)PAGE_OFFSET_MASK;
4217
4218 /*
4219 * Do the paging walk until we get to the page table.
4220 */
4221 DBGCVAR VarCur;
4222 if (fGuest)
4223 DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
4224 else
4225 DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
4226 if (fLME)
4227 {
4228 /* Page Map Level 4 Lookup. */
4229 /* Check if it's a valid address first? */
4230 VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
4231 VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
4232 X86PML4E Pml4e;
4233 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
4234 if (RT_FAILURE(rc))
4235 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
4236 if (!Pml4e.n.u1Present)
4237 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
4238
4239 VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
4240 Assert(fPAE);
4241 }
4242 if (fPAE)
4243 {
4244 /* Page directory pointer table. */
4245 X86PDPE Pdpe;
4246 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
4247 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
4248 if (RT_FAILURE(rc))
4249 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
4250 if (!Pdpe.n.u1Present)
4251 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
4252
4253 VarCur.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
4254
4255 /* Page directory (PAE). */
4256 X86PDEPAE Pde;
4257 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK) * sizeof(Pde);
4258 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
4259 if (RT_FAILURE(rc))
4260 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
4261 if (!Pde.n.u1Present)
4262 return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
4263 if (fPSE && Pde.n.u1Size)
4264 return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
4265
4266 iEntry = (VarGCPtr.u.GCFlat >> X86_PT_PAE_SHIFT) & X86_PT_PAE_MASK;
4267 VarPTEAddr = VarCur;
4268 VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PAE_PG_MASK;
4269 VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTEPAE);
4270 }
4271 else
4272 {
4273 /* Page directory (legacy). */
4274 X86PDE Pde;
4275 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK) * sizeof(Pde);
4276 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
4277 if (RT_FAILURE(rc))
4278 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
4279 if (!Pde.n.u1Present)
4280 return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
4281 if (fPSE && Pde.n.u1Size)
4282 return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
4283
4284 iEntry = (VarGCPtr.u.GCFlat >> X86_PT_SHIFT) & X86_PT_MASK;
4285 VarPTEAddr = VarCur;
4286 VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PG_MASK;
4287 VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTE);
4288 }
4289 cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
4290 }
4291
4292 /* adjust cEntries */
4293 cEntries = RT_MAX(1, cEntries);
4294 cEntries = RT_MIN(cEntries, cEntriesMax);
4295
4296 /*
4297 * The display loop.
4298 */
4299 DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (base %DV / index %#x):\n" : "%DV:\n",
4300 &VarPTEAddr, &VarGCPtr, iEntry);
4301 do
4302 {
4303 /*
4304 * Read.
4305 */
4306 X86PTEPAE Pte;
4307 Pte.u = 0;
4308 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pte, cbEntry, &VarPTEAddr, NULL);
4309 if (RT_FAILURE(rc))
4310 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PTE memory at %DV.\n", &VarPTEAddr);
4311
4312 /*
4313 * Display.
4314 */
4315 if (iEntry != ~0U)
4316 {
4317 DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
4318 iEntry++;
4319 }
4320 DBGCCmdHlpPrintf(pCmdHlp,
4321 fPAE
4322 ? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
4323 : "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
4324 Pte.u,
4325 Pte.u & X86_PTE_PAE_PG_MASK,
4326 Pte.n.u1Present ? "p " : "np",
4327 Pte.n.u1Write ? "w" : "r",
4328 Pte.n.u1User ? "u" : "s",
4329 Pte.n.u1Accessed ? "a " : "na",
4330 Pte.n.u1Dirty ? "d " : "nd",
4331 Pte.n.u3Available,
4332 Pte.n.u1Global ? (fPGE ? "g" : "G") : " ",
4333 Pte.n.u1WriteThru ? "pwt" : " ",
4334 Pte.n.u1CacheDisable ? "pcd" : " ",
4335 Pte.n.u1PAT ? "pat" : " ",
4336 Pte.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " "
4337 );
4338 if (Pte.u & UINT64_C(0x7fff000000000000))
4339 DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pte.u & UINT64_C(0x7fff000000000000)));
4340 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
4341 if (RT_FAILURE(rc))
4342 return rc;
4343
4344 /*
4345 * Advance.
4346 */
4347 VarPTEAddr.u.u64Number += cbEntry;
4348 if (iEntry != ~0U)
4349 VarGCPtr.u.GCFlat += PAGE_SIZE;
4350 } while (cEntries-- > 0);
4351
4352 return VINF_SUCCESS;
4353}
4354
4355
4356/**
4357 * @callback_method_impl{FNDBGCCMD, The 'dptb' command.}
4358 */
4359static DECLCALLBACK(int) dbgcCmdDumpPageTableBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4360{
4361 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4362 int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dptg %DV", &paArgs[0]);
4363 int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpth %DV", &paArgs[0]);
4364 if (RT_FAILURE(rc1))
4365 return rc1;
4366 NOREF(pCmd); NOREF(cArgs);
4367 return rc2;
4368}
4369
4370
4371/**
4372 * @callback_method_impl{FNDBGCCMD, The 'dt' command.}
4373 */
4374static DECLCALLBACK(int) dbgcCmdDumpTSS(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4375{
4376 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4377 int rc;
4378
4379 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4380 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
4381 if (cArgs == 1)
4382 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType != DBGCVAR_TYPE_STRING
4383 && paArgs[0].enmType != DBGCVAR_TYPE_SYMBOL);
4384
4385 /*
4386 * Check if the command indicates the type.
4387 */
4388 enum { kTss16, kTss32, kTss64, kTssToBeDetermined } enmTssType = kTssToBeDetermined;
4389 if (!strcmp(pCmd->pszCmd, "dt16"))
4390 enmTssType = kTss16;
4391 else if (!strcmp(pCmd->pszCmd, "dt32"))
4392 enmTssType = kTss32;
4393 else if (!strcmp(pCmd->pszCmd, "dt64"))
4394 enmTssType = kTss64;
4395
4396 /*
4397 * We can get a TSS selector (number), a far pointer using a TSS selector, or some kind of TSS pointer.
4398 */
4399 uint32_t SelTss = UINT32_MAX;
4400 DBGCVAR VarTssAddr;
4401 if (cArgs == 0)
4402 {
4403 /** @todo consider querying the hidden bits instead (missing API). */
4404 uint16_t SelTR;
4405 rc = DBGFR3RegCpuQueryU16(pUVM, pDbgc->idCpu, DBGFREG_TR, &SelTR);
4406 if (RT_FAILURE(rc))
4407 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to query TR, rc=%Rrc\n", rc);
4408 DBGCVAR_INIT_GC_FAR(&VarTssAddr, SelTR, 0);
4409 SelTss = SelTR;
4410 }
4411 else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
4412 {
4413 if (paArgs[0].u.u64Number < 0xffff)
4414 DBGCVAR_INIT_GC_FAR(&VarTssAddr, (RTSEL)paArgs[0].u.u64Number, 0);
4415 else
4416 {
4417 if (paArgs[0].enmRangeType == DBGCVAR_RANGE_ELEMENTS)
4418 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Element count doesn't combine with a TSS address.\n");
4419 DBGCVAR_INIT_GC_FLAT(&VarTssAddr, paArgs[0].u.u64Number);
4420 if (paArgs[0].enmRangeType == DBGCVAR_RANGE_BYTES)
4421 {
4422 VarTssAddr.enmRangeType = paArgs[0].enmRangeType;
4423 VarTssAddr.u64Range = paArgs[0].u64Range;
4424 }
4425 }
4426 }
4427 else
4428 VarTssAddr = paArgs[0];
4429
4430 /*
4431 * Deal with TSS:ign by means of the GDT.
4432 */
4433 if (VarTssAddr.enmType == DBGCVAR_TYPE_GC_FAR)
4434 {
4435 SelTss = VarTssAddr.u.GCFar.sel;
4436 DBGFSELINFO SelInfo;
4437 rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, VarTssAddr.u.GCFar.sel, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
4438 if (RT_FAILURE(rc))
4439 return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3SelQueryInfo(,%u,%d,,) -> %Rrc.\n",
4440 pDbgc->idCpu, VarTssAddr.u.GCFar.sel, rc);
4441
4442 if (SelInfo.u.Raw.Gen.u1DescType)
4443 return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (!sys)\n", VarTssAddr.u.GCFar.sel);
4444
4445 switch (SelInfo.u.Raw.Gen.u4Type)
4446 {
4447 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
4448 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
4449 if (enmTssType == kTssToBeDetermined)
4450 enmTssType = kTss16;
4451 break;
4452
4453 case X86_SEL_TYPE_SYS_386_TSS_BUSY: /* AMD64 too */
4454 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
4455 if (enmTssType == kTssToBeDetermined)
4456 enmTssType = SelInfo.fFlags & DBGFSELINFO_FLAGS_LONG_MODE ? kTss64 : kTss32;
4457 break;
4458
4459 default:
4460 return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (type=%x)\n",
4461 VarTssAddr.u.GCFar.sel, SelInfo.u.Raw.Gen.u4Type);
4462 }
4463
4464 DBGCVAR_INIT_GC_FLAT(&VarTssAddr, SelInfo.GCPtrBase);
4465 DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, RT_MAX(SelInfo.cbLimit + 1, SelInfo.cbLimit));
4466 }
4467
4468 /*
4469 * Determine the TSS type if none is currently given.
4470 */
4471 if (enmTssType == kTssToBeDetermined)
4472 {
4473 if ( VarTssAddr.u64Range > 0
4474 && VarTssAddr.u64Range < sizeof(X86TSS32) - 4)
4475 enmTssType = kTss16;
4476 else
4477 {
4478 uint64_t uEfer;
4479 rc = DBGFR3RegCpuQueryU64(pUVM, pDbgc->idCpu, DBGFREG_MSR_K6_EFER, &uEfer);
4480 if ( RT_FAILURE(rc)
4481 || !(uEfer & MSR_K6_EFER_LMA) )
4482 enmTssType = kTss32;
4483 else
4484 enmTssType = kTss64;
4485 }
4486 }
4487
4488 /*
4489 * Figure the min/max sizes.
4490 * ASSUMES max TSS size is 64 KB.
4491 */
4492 uint32_t cbTssMin;
4493 uint32_t cbTssMax;
4494 switch (enmTssType)
4495 {
4496 case kTss16:
4497 cbTssMin = cbTssMax = X86_SEL_TYPE_SYS_286_TSS_LIMIT_MIN + 1;
4498 break;
4499 case kTss32:
4500 cbTssMin = X86_SEL_TYPE_SYS_386_TSS_LIMIT_MIN + 1;
4501 cbTssMax = _64K;
4502 break;
4503 case kTss64:
4504 cbTssMin = X86_SEL_TYPE_SYS_386_TSS_LIMIT_MIN + 1;
4505 cbTssMax = _64K;
4506 break;
4507 default:
4508 AssertFailedReturn(VERR_INTERNAL_ERROR);
4509 }
4510 uint32_t cbTss = VarTssAddr.enmRangeType == DBGCVAR_RANGE_BYTES ? (uint32_t)VarTssAddr.u64Range : 0;
4511 if (cbTss == 0)
4512 cbTss = cbTssMin;
4513 else if (cbTss < cbTssMin)
4514 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Minimum TSS size is %u bytes, you specified %llu (%llx) bytes.\n",
4515 cbTssMin, VarTssAddr.u64Range, VarTssAddr.u64Range);
4516 else if (cbTss > cbTssMax)
4517 cbTss = cbTssMax;
4518 DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, cbTss);
4519
4520 /*
4521 * Read the TSS into a temporary buffer.
4522 */
4523 uint8_t abBuf[_64K];
4524 size_t cbTssRead;
4525 rc = DBGCCmdHlpMemRead(pCmdHlp, abBuf, cbTss, &VarTssAddr, &cbTssRead);
4526 if (RT_FAILURE(rc))
4527 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read TSS at %Dv: %Rrc\n", &VarTssAddr, rc);
4528 if (cbTssRead < cbTssMin)
4529 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read essential parts of the TSS (read %zu, min %zu).\n",
4530 cbTssRead, cbTssMin);
4531 if (cbTssRead < cbTss)
4532 memset(&abBuf[cbTssRead], 0xff, cbTss - cbTssRead);
4533
4534
4535 /*
4536 * Format the TSS.
4537 */
4538 uint16_t offIoBitmap;
4539 switch (enmTssType)
4540 {
4541 case kTss16:
4542 {
4543 PCX86TSS16 pTss = (PCX86TSS16)&abBuf[0];
4544 if (SelTss != UINT32_MAX)
4545 DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS16 at %Dv\n", SelTss, &VarTssAddr);
4546 else
4547 DBGCCmdHlpPrintf(pCmdHlp, "TSS16 at %Dv\n", &VarTssAddr);
4548 DBGCCmdHlpPrintf(pCmdHlp,
4549 "ax=%04x bx=%04x cx=%04x dx=%04x si=%04x di=%04x\n"
4550 "ip=%04x sp=%04x bp=%04x\n"
4551 "cs=%04x ss=%04x ds=%04x es=%04x flags=%04x\n"
4552 "ss:sp0=%04x:%04x ss:sp1=%04x:%04x ss:sp2=%04x:%04x\n"
4553 "prev=%04x ldtr=%04x\n"
4554 ,
4555 pTss->ax, pTss->bx, pTss->cx, pTss->dx, pTss->si, pTss->di,
4556 pTss->ip, pTss->sp, pTss->bp,
4557 pTss->cs, pTss->ss, pTss->ds, pTss->es, pTss->flags,
4558 pTss->ss0, pTss->sp0, pTss->ss1, pTss->sp1, pTss->ss2, pTss->sp2,
4559 pTss->selPrev, pTss->selLdt);
4560 if (pTss->cs != 0)
4561 pCmdHlp->pfnExec(pCmdHlp, "u %04x:%04x L 0", pTss->cs, pTss->ip);
4562 offIoBitmap = 0;
4563 break;
4564 }
4565
4566 case kTss32:
4567 {
4568 PCX86TSS32 pTss = (PCX86TSS32)&abBuf[0];
4569 if (SelTss != UINT32_MAX)
4570 DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS32 at %Dv (min=%04x)\n", SelTss, &VarTssAddr, cbTssMin);
4571 else
4572 DBGCCmdHlpPrintf(pCmdHlp, "TSS32 at %Dv (min=%04x)\n", &VarTssAddr, cbTssMin);
4573 DBGCCmdHlpPrintf(pCmdHlp,
4574 "eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x\n"
4575 "eip=%08x esp=%08x ebp=%08x\n"
4576 "cs=%04x ss=%04x ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n"
4577 "ss:esp0=%04x:%08x ss:esp1=%04x:%08x ss:esp2=%04x:%08x\n"
4578 "prev=%04x ldtr=%04x cr3=%08x debug=%u iomap=%04x\n"
4579 ,
4580 pTss->eax, pTss->ebx, pTss->ecx, pTss->edx, pTss->esi, pTss->edi,
4581 pTss->eip, pTss->esp, pTss->ebp,
4582 pTss->cs, pTss->ss, pTss->ds, pTss->es, pTss->fs, pTss->gs, pTss->eflags,
4583 pTss->ss0, pTss->esp0, pTss->ss1, pTss->esp1, pTss->ss2, pTss->esp2,
4584 pTss->selPrev, pTss->selLdt, pTss->cr3, pTss->fDebugTrap, pTss->offIoBitmap);
4585 if (pTss->cs != 0)
4586 pCmdHlp->pfnExec(pCmdHlp, "u %04x:%08x L 0", pTss->cs, pTss->eip);
4587 offIoBitmap = pTss->offIoBitmap;
4588 break;
4589 }
4590
4591 case kTss64:
4592 {
4593 PCX86TSS64 pTss = (PCX86TSS64)&abBuf[0];
4594 if (SelTss != UINT32_MAX)
4595 DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS64 at %Dv (min=%04x)\n", SelTss, &VarTssAddr, cbTssMin);
4596 else
4597 DBGCCmdHlpPrintf(pCmdHlp, "TSS64 at %Dv (min=%04x)\n", &VarTssAddr, cbTssMin);
4598 DBGCCmdHlpPrintf(pCmdHlp,
4599 "rsp0=%016RX64 rsp1=%016RX64 rsp2=%016RX64\n"
4600 "ist1=%016RX64 ist2=%016RX64\n"
4601 "ist3=%016RX64 ist4=%016RX64\n"
4602 "ist5=%016RX64 ist6=%016RX64\n"
4603 "ist7=%016RX64 iomap=%04x\n"
4604 ,
4605 pTss->rsp0, pTss->rsp1, pTss->rsp2,
4606 pTss->ist1, pTss->ist2,
4607 pTss->ist3, pTss->ist4,
4608 pTss->ist5, pTss->ist6,
4609 pTss->ist7, pTss->offIoBitmap);
4610 offIoBitmap = pTss->offIoBitmap;
4611 break;
4612 }
4613
4614 default:
4615 AssertFailedReturn(VERR_INTERNAL_ERROR);
4616 }
4617
4618 /*
4619 * Dump the interrupt redirection bitmap.
4620 */
4621 if (enmTssType != kTss16)
4622 {
4623 if ( offIoBitmap > cbTssMin
4624 && offIoBitmap < cbTss) /** @todo check exactly what the edge cases are here. */
4625 {
4626 if (offIoBitmap - cbTssMin >= 32)
4627 {
4628 DBGCCmdHlpPrintf(pCmdHlp, "Interrupt redirection:\n");
4629 uint8_t const *pbIntRedirBitmap = &abBuf[offIoBitmap - 32];
4630 uint32_t iStart = 0;
4631 bool fPrev = ASMBitTest(pbIntRedirBitmap, 0); /* LE/BE issue */
4632 for (uint32_t i = 0; i < 256; i++)
4633 {
4634 bool fThis = ASMBitTest(pbIntRedirBitmap, i);
4635 if (fThis != fPrev)
4636 {
4637 DBGCCmdHlpPrintf(pCmdHlp, "%02x-%02x %s\n", iStart, i - 1, fPrev ? "Protected mode" : "Redirected");
4638 fPrev = fThis;
4639 iStart = i;
4640 }
4641 }
4642 DBGCCmdHlpPrintf(pCmdHlp, "%02x-%02x %s\n", iStart, 255, fPrev ? "Protected mode" : "Redirected");
4643 }
4644 else
4645 DBGCCmdHlpPrintf(pCmdHlp, "Invalid interrupt redirection bitmap size: %u (%#x), expected 32 bytes.\n",
4646 offIoBitmap - cbTssMin, offIoBitmap - cbTssMin);
4647 }
4648 else if (offIoBitmap > 0)
4649 DBGCCmdHlpPrintf(pCmdHlp, "No interrupt redirection bitmap (-%#x)\n", cbTssMin - offIoBitmap);
4650 else
4651 DBGCCmdHlpPrintf(pCmdHlp, "No interrupt redirection bitmap\n");
4652 }
4653
4654 /*
4655 * Dump the I/O permission bitmap if present. The IOPM cannot start below offset 0x68
4656 * (that applies to both 32-bit and 64-bit TSSs since their size is the same).
4657 * Note that there is always one padding byte that is not technically part of the bitmap
4658 * and "must have all bits set". It's not clear what happens when it doesn't. All ports
4659 * not covered by the bitmap are considered to be not accessible.
4660 */
4661 if (enmTssType != kTss16)
4662 {
4663 if (offIoBitmap < cbTss && offIoBitmap >= 0x68)
4664 {
4665 uint32_t cPorts = RT_MIN((cbTss - offIoBitmap) * 8, _64K);
4666 DBGCVAR VarAddr;
4667 DBGCCmdHlpEval(pCmdHlp, &VarAddr, "%DV + %#x", &VarTssAddr, offIoBitmap);
4668 DBGCCmdHlpPrintf(pCmdHlp, "I/O bitmap at %DV - %#x ports:\n", &VarAddr, cPorts);
4669
4670 uint8_t const *pbIoBitmap = &abBuf[offIoBitmap];
4671 uint32_t iStart = 0;
4672 bool fPrev = ASMBitTest(pbIoBitmap, 0);
4673 uint32_t cLine = 0;
4674 for (uint32_t i = 1; i < _64K; i++)
4675 {
4676 bool fThis = i < cPorts ? ASMBitTest(pbIoBitmap, i) : true;
4677 if (fThis != fPrev)
4678 {
4679 cLine++;
4680 DBGCCmdHlpPrintf(pCmdHlp, "%04x-%04x %s%s", iStart, i-1,
4681 fPrev ? "GP" : "OK", (cLine % 6) == 0 ? "\n" : " ");
4682 fPrev = fThis;
4683 iStart = i;
4684 }
4685 }
4686 DBGCCmdHlpPrintf(pCmdHlp, "%04x-%04x %s\n", iStart, _64K-1, fPrev ? "GP" : "OK");
4687 }
4688 else if (offIoBitmap > 0)
4689 DBGCCmdHlpPrintf(pCmdHlp, "No I/O bitmap (-%#x)\n", cbTssMin - offIoBitmap);
4690 else
4691 DBGCCmdHlpPrintf(pCmdHlp, "No I/O bitmap\n");
4692 }
4693
4694 return VINF_SUCCESS;
4695}
4696
4697
4698/**
4699 * @callback_method_impl{FNDBGFR3TYPEDUMP, The 'dti' command dumper callback.}
4700 */
4701static DECLCALLBACK(int) dbgcCmdDumpTypeInfoCallback(uint32_t off, const char *pszField, uint32_t iLvl,
4702 const char *pszType, uint32_t fTypeFlags,
4703 uint32_t cElements, void *pvUser)
4704{
4705 PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
4706
4707 /* Pad with spaces to match the level. */
4708 for (uint32_t i = 0; i < iLvl; i++)
4709 DBGCCmdHlpPrintf(pCmdHlp, " ");
4710
4711 size_t cbWritten = 0;
4712 DBGCCmdHlpPrintfEx(pCmdHlp, &cbWritten, "+0x%04x %s", off, pszField);
4713 while (cbWritten < 32)
4714 {
4715 /* Fill with spaces to get proper aligning. */
4716 DBGCCmdHlpPrintf(pCmdHlp, " ");
4717 cbWritten++;
4718 }
4719
4720 DBGCCmdHlpPrintf(pCmdHlp, ": ");
4721 if (fTypeFlags & DBGFTYPEREGMEMBER_F_ARRAY)
4722 DBGCCmdHlpPrintf(pCmdHlp, "[%u] ", cElements);
4723 if (fTypeFlags & DBGFTYPEREGMEMBER_F_POINTER)
4724 DBGCCmdHlpPrintf(pCmdHlp, "Ptr ");
4725 DBGCCmdHlpPrintf(pCmdHlp, "%s\n", pszType);
4726
4727 return VINF_SUCCESS;
4728}
4729
4730
4731/**
4732 * @callback_method_impl{FNDBGCCMD, The 'dti' command.}
4733 */
4734static DECLCALLBACK(int) dbgcCmdDumpTypeInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4735{
4736 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4737 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 || cArgs == 2);
4738 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING);
4739 if (cArgs == 2)
4740 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[1].enmType == DBGCVAR_TYPE_NUMBER);
4741
4742 uint32_t cLvlMax = cArgs == 2 ? (uint32_t)paArgs[1].u.u64Number : UINT32_MAX;
4743 return DBGFR3TypeDumpEx(pUVM, paArgs[0].u.pszString, 0 /* fFlags */, cLvlMax,
4744 dbgcCmdDumpTypeInfoCallback, pCmdHlp);
4745}
4746
4747
4748static void dbgcCmdDumpTypedValCallbackBuiltin(PDBGCCMDHLP pCmdHlp, DBGFTYPEBUILTIN enmType, size_t cbType,
4749 PDBGFTYPEVALBUF pValBuf)
4750{
4751 switch (enmType)
4752 {
4753 case DBGFTYPEBUILTIN_UINT8:
4754 DBGCCmdHlpPrintf(pCmdHlp, "%RU8", pValBuf->u8);
4755 break;
4756 case DBGFTYPEBUILTIN_INT8:
4757 DBGCCmdHlpPrintf(pCmdHlp, "%RI8", pValBuf->i8);
4758 break;
4759 case DBGFTYPEBUILTIN_UINT16:
4760 DBGCCmdHlpPrintf(pCmdHlp, "%RU16", pValBuf->u16);
4761 break;
4762 case DBGFTYPEBUILTIN_INT16:
4763 DBGCCmdHlpPrintf(pCmdHlp, "%RI16", pValBuf->i16);
4764 break;
4765 case DBGFTYPEBUILTIN_UINT32:
4766 DBGCCmdHlpPrintf(pCmdHlp, "%RU32", pValBuf->u32);
4767 break;
4768 case DBGFTYPEBUILTIN_INT32:
4769 DBGCCmdHlpPrintf(pCmdHlp, "%RI32", pValBuf->i32);
4770 break;
4771 case DBGFTYPEBUILTIN_UINT64:
4772 DBGCCmdHlpPrintf(pCmdHlp, "%RU64", pValBuf->u64);
4773 break;
4774 case DBGFTYPEBUILTIN_INT64:
4775 DBGCCmdHlpPrintf(pCmdHlp, "%RI64", pValBuf->i64);
4776 break;
4777 case DBGFTYPEBUILTIN_PTR32:
4778 DBGCCmdHlpPrintf(pCmdHlp, "%RX32", pValBuf->GCPtr);
4779 break;
4780 case DBGFTYPEBUILTIN_PTR64:
4781 DBGCCmdHlpPrintf(pCmdHlp, "%RX64", pValBuf->GCPtr);
4782 break;
4783 case DBGFTYPEBUILTIN_PTR:
4784 if (cbType == sizeof(uint32_t))
4785 DBGCCmdHlpPrintf(pCmdHlp, "%RX32", pValBuf->GCPtr);
4786 else if (cbType == sizeof(uint64_t))
4787 DBGCCmdHlpPrintf(pCmdHlp, "%RX64", pValBuf->GCPtr);
4788 else
4789 DBGCCmdHlpPrintf(pCmdHlp, "<Unsupported pointer width %u>", cbType);
4790 break;
4791 case DBGFTYPEBUILTIN_SIZE:
4792 if (cbType == sizeof(uint32_t))
4793 DBGCCmdHlpPrintf(pCmdHlp, "%RU32", pValBuf->size);
4794 else if (cbType == sizeof(uint64_t))
4795 DBGCCmdHlpPrintf(pCmdHlp, "%RU64", pValBuf->size);
4796 else
4797 DBGCCmdHlpPrintf(pCmdHlp, "<Unsupported size width %u>", cbType);
4798 break;
4799 case DBGFTYPEBUILTIN_FLOAT32:
4800 case DBGFTYPEBUILTIN_FLOAT64:
4801 case DBGFTYPEBUILTIN_COMPOUND:
4802 default:
4803 AssertMsgFailed(("Invalid built-in type: %d\n", enmType));
4804 }
4805}
4806
4807/**
4808 * @callback_method_impl{FNDBGFR3TYPEDUMP, The 'dtv' command dumper callback.}
4809 */
4810static DECLCALLBACK(int) dbgcCmdDumpTypedValCallback(uint32_t off, const char *pszField, uint32_t iLvl,
4811 DBGFTYPEBUILTIN enmType, size_t cbType,
4812 PDBGFTYPEVALBUF pValBuf, uint32_t cValBufs,
4813 void *pvUser)
4814{
4815 PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
4816
4817 /* Pad with spaces to match the level. */
4818 for (uint32_t i = 0; i < iLvl; i++)
4819 DBGCCmdHlpPrintf(pCmdHlp, " ");
4820
4821 size_t cbWritten = 0;
4822 DBGCCmdHlpPrintfEx(pCmdHlp, &cbWritten, "+0x%04x %s", off, pszField);
4823 while (cbWritten < 32)
4824 {
4825 /* Fill with spaces to get proper aligning. */
4826 DBGCCmdHlpPrintf(pCmdHlp, " ");
4827 cbWritten++;
4828 }
4829
4830 DBGCCmdHlpPrintf(pCmdHlp, ": ");
4831 if (cValBufs > 1)
4832 DBGCCmdHlpPrintf(pCmdHlp, "[%u] [ ", cValBufs);
4833
4834 for (uint32_t i = 0; i < cValBufs; i++)
4835 {
4836 dbgcCmdDumpTypedValCallbackBuiltin(pCmdHlp, enmType, cbType, pValBuf);
4837 if (i < cValBufs - 1)
4838 DBGCCmdHlpPrintf(pCmdHlp, " , ");
4839 pValBuf++;
4840 }
4841
4842 if (cValBufs > 1)
4843 DBGCCmdHlpPrintf(pCmdHlp, " ]");
4844 DBGCCmdHlpPrintf(pCmdHlp, "\n");
4845
4846 return VINF_SUCCESS;
4847}
4848
4849
4850/**
4851 * @callback_method_impl{FNDBGCCMD, The 'dtv' command.}
4852 */
4853static DECLCALLBACK(int) dbgcCmdDumpTypedVal(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4854{
4855 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4856 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 2 || cArgs == 3);
4857 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING);
4858 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISGCPOINTER(paArgs[1].enmType));
4859 if (cArgs == 3)
4860 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[2].enmType == DBGCVAR_TYPE_NUMBER);
4861
4862 /*
4863 * Make DBGF address and fix the range.
4864 */
4865 DBGFADDRESS Address;
4866 int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[1], &Address);
4867 if (RT_FAILURE(rc))
4868 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[1]);
4869
4870 uint32_t cLvlMax = cArgs == 3 ? (uint32_t)paArgs[2].u.u64Number : UINT32_MAX;
4871 return DBGFR3TypeValDumpEx(pUVM, &Address, paArgs[0].u.pszString, 0 /* fFlags */, cLvlMax,
4872 dbgcCmdDumpTypedValCallback, pCmdHlp);
4873}
4874
4875/**
4876 * @callback_method_impl{FNDBGCCMD, The 'm' command.}
4877 */
4878static DECLCALLBACK(int) dbgcCmdMemoryInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4879{
4880 DBGCCmdHlpPrintf(pCmdHlp, "Address: %DV\n", &paArgs[0]);
4881 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4882 return dbgcCmdDumpPageHierarchy(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
4883}
4884
4885
4886/**
4887 * Converts one or more variables into a byte buffer for a
4888 * given unit size.
4889 *
4890 * @returns VBox status codes:
4891 * @retval VERR_TOO_MUCH_DATA if the buffer is too small, bitched.
4892 * @retval VERR_INTERNAL_ERROR on bad variable type, bitched.
4893 * @retval VINF_SUCCESS on success.
4894 *
4895 * @param pCmdHlp The command helper callback table.
4896 * @param pvBuf The buffer to convert into.
4897 * @param pcbBuf The buffer size on input. The size of the result on output.
4898 * @param cbUnit The unit size to apply when converting.
4899 * The high bit is used to indicate unicode string.
4900 * @param paVars The array of variables to convert.
4901 * @param cVars The number of variables.
4902 */
4903int dbgcVarsToBytes(PDBGCCMDHLP pCmdHlp, void *pvBuf, uint32_t *pcbBuf, size_t cbUnit, PCDBGCVAR paVars, unsigned cVars)
4904{
4905 union
4906 {
4907 uint8_t *pu8;
4908 uint16_t *pu16;
4909 uint32_t *pu32;
4910 uint64_t *pu64;
4911 } u, uEnd;
4912 u.pu8 = (uint8_t *)pvBuf;
4913 uEnd.pu8 = u.pu8 + *pcbBuf;
4914
4915 unsigned i;
4916 for (i = 0; i < cVars && u.pu8 < uEnd.pu8; i++)
4917 {
4918 switch (paVars[i].enmType)
4919 {
4920 case DBGCVAR_TYPE_GC_FAR:
4921 case DBGCVAR_TYPE_GC_FLAT:
4922 case DBGCVAR_TYPE_GC_PHYS:
4923 case DBGCVAR_TYPE_HC_FLAT:
4924 case DBGCVAR_TYPE_HC_PHYS:
4925 case DBGCVAR_TYPE_NUMBER:
4926 {
4927 uint64_t u64 = paVars[i].u.u64Number;
4928 switch (cbUnit & 0x1f)
4929 {
4930 case 1:
4931 do
4932 {
4933 *u.pu8++ = u64;
4934 u64 >>= 8;
4935 } while (u64);
4936 break;
4937 case 2:
4938 do
4939 {
4940 *u.pu16++ = u64;
4941 u64 >>= 16;
4942 } while (u64);
4943 break;
4944 case 4:
4945 *u.pu32++ = u64;
4946 u64 >>= 32;
4947 if (u64)
4948 *u.pu32++ = u64;
4949 break;
4950 case 8:
4951 *u.pu64++ = u64;
4952 break;
4953 }
4954 break;
4955 }
4956
4957 case DBGCVAR_TYPE_STRING:
4958 case DBGCVAR_TYPE_SYMBOL:
4959 {
4960 const char *psz = paVars[i].u.pszString;
4961 size_t cbString = strlen(psz);
4962 if (cbUnit & RT_BIT_32(31))
4963 {
4964 /* Explode char to unit. */
4965 if (cbString > (uintptr_t)(uEnd.pu8 - u.pu8) * (cbUnit & 0x1f))
4966 {
4967 pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
4968 return VERR_TOO_MUCH_DATA;
4969 }
4970 while (*psz)
4971 {
4972 switch (cbUnit & 0x1f)
4973 {
4974 case 1: *u.pu8++ = *psz; break;
4975 case 2: *u.pu16++ = *psz; break;
4976 case 4: *u.pu32++ = *psz; break;
4977 case 8: *u.pu64++ = *psz; break;
4978 }
4979 psz++;
4980 }
4981 }
4982 else
4983 {
4984 /* Raw copy with zero padding if the size isn't aligned. */
4985 if (cbString > (uintptr_t)(uEnd.pu8 - u.pu8))
4986 {
4987 pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
4988 return VERR_TOO_MUCH_DATA;
4989 }
4990
4991 size_t cbCopy = cbString & ~(cbUnit - 1);
4992 memcpy(u.pu8, psz, cbCopy);
4993 u.pu8 += cbCopy;
4994 psz += cbCopy;
4995
4996 size_t cbReminder = cbString & (cbUnit - 1);
4997 if (cbReminder)
4998 {
4999 memcpy(u.pu8, psz, cbString & (cbUnit - 1));
5000 memset(u.pu8 + cbReminder, 0, cbUnit - cbReminder);
5001 u.pu8 += cbUnit;
5002 }
5003 }
5004 break;
5005 }
5006
5007 default:
5008 *pcbBuf = u.pu8 - (uint8_t *)pvBuf;
5009 pCmdHlp->pfnVBoxError(pCmdHlp, VERR_INTERNAL_ERROR,
5010 "i=%d enmType=%d\n", i, paVars[i].enmType);
5011 return VERR_INTERNAL_ERROR;
5012 }
5013 }
5014 *pcbBuf = u.pu8 - (uint8_t *)pvBuf;
5015 if (i != cVars)
5016 {
5017 pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
5018 return VERR_TOO_MUCH_DATA;
5019 }
5020 return VINF_SUCCESS;
5021}
5022
5023
5024/**
5025 * @callback_method_impl{FNDBGCCMD, The 'eb'\, 'ew'\, 'ed' and 'eq' commands.}
5026 */
5027static DECLCALLBACK(int) dbgcCmdEditMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5028{
5029 /*
5030 * Validate input.
5031 */
5032 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs >= 2);
5033 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
5034 for (unsigned iArg = 1; iArg < cArgs; iArg++)
5035 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER);
5036 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
5037
5038 /*
5039 * Figure out the element size.
5040 */
5041 unsigned cbElement;
5042 switch (pCmd->pszCmd[1])
5043 {
5044 default:
5045 case 'b': cbElement = 1; break;
5046 case 'w': cbElement = 2; break;
5047 case 'd': cbElement = 4; break;
5048 case 'q': cbElement = 8; break;
5049 }
5050
5051 /*
5052 * Do setting.
5053 */
5054 DBGCVAR Addr = paArgs[0];
5055 for (unsigned iArg = 1;;)
5056 {
5057 size_t cbWritten;
5058 int rc = pCmdHlp->pfnMemWrite(pCmdHlp, &paArgs[iArg].u, cbElement, &Addr, &cbWritten);
5059 if (RT_FAILURE(rc))
5060 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Writing memory at %DV.\n", &Addr);
5061 if (cbWritten != cbElement)
5062 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Only wrote %u out of %u bytes!\n", cbWritten, cbElement);
5063
5064 /* advance. */
5065 iArg++;
5066 if (iArg >= cArgs)
5067 break;
5068 rc = DBGCCmdHlpEval(pCmdHlp, &Addr, "%Dv + %#x", &Addr, cbElement);
5069 if (RT_FAILURE(rc))
5070 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
5071 }
5072
5073 return VINF_SUCCESS;
5074}
5075
5076
5077/**
5078 * Executes the search.
5079 *
5080 * @returns VBox status code.
5081 * @param pCmdHlp The command helpers.
5082 * @param pUVM The user mode VM handle.
5083 * @param pAddress The address to start searching from. (undefined on output)
5084 * @param cbRange The address range to search. Must not wrap.
5085 * @param pabBytes The byte pattern to search for.
5086 * @param cbBytes The size of the pattern.
5087 * @param cbUnit The search unit.
5088 * @param cMaxHits The max number of hits.
5089 * @param pResult Where to store the result if it's a function invocation.
5090 */
5091static int dbgcCmdWorkerSearchMemDoIt(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGFADDRESS pAddress, RTGCUINTPTR cbRange,
5092 const uint8_t *pabBytes, uint32_t cbBytes,
5093 uint32_t cbUnit, uint64_t cMaxHits, PDBGCVAR pResult)
5094{
5095 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5096
5097 /*
5098 * Do the search.
5099 */
5100 uint64_t cHits = 0;
5101 for (;;)
5102 {
5103 /* search */
5104 DBGFADDRESS HitAddress;
5105 int rc = DBGFR3MemScan(pUVM, pDbgc->idCpu, pAddress, cbRange, 1, pabBytes, cbBytes, &HitAddress);
5106 if (RT_FAILURE(rc))
5107 {
5108 if (rc != VERR_DBGF_MEM_NOT_FOUND)
5109 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3MemScan\n");
5110
5111 /* update the current address so we can save it (later). */
5112 pAddress->off += cbRange;
5113 pAddress->FlatPtr += cbRange;
5114 cbRange = 0;
5115 break;
5116 }
5117
5118 /* report result */
5119 DBGCVAR VarCur;
5120 rc = DBGCCmdHlpVarFromDbgfAddr(pCmdHlp, &HitAddress, &VarCur);
5121 if (RT_FAILURE(rc))
5122 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGCCmdHlpVarFromDbgfAddr\n");
5123 if (!pResult)
5124 pCmdHlp->pfnExec(pCmdHlp, "db %DV LB 10", &VarCur);
5125 else
5126 DBGCVAR_ASSIGN(pResult, &VarCur);
5127
5128 /* advance */
5129 cbRange -= HitAddress.FlatPtr - pAddress->FlatPtr;
5130 *pAddress = HitAddress;
5131 pAddress->FlatPtr += cbBytes;
5132 pAddress->off += cbBytes;
5133 if (cbRange <= cbBytes)
5134 {
5135 cbRange = 0;
5136 break;
5137 }
5138 cbRange -= cbBytes;
5139
5140 if (++cHits >= cMaxHits)
5141 {
5142 /// @todo save the search.
5143 break;
5144 }
5145 }
5146
5147 /*
5148 * Save the search so we can resume it...
5149 */
5150 if (pDbgc->abSearch != pabBytes)
5151 {
5152 memcpy(pDbgc->abSearch, pabBytes, cbBytes);
5153 pDbgc->cbSearch = cbBytes;
5154 pDbgc->cbSearchUnit = cbUnit;
5155 }
5156 pDbgc->cMaxSearchHits = cMaxHits;
5157 pDbgc->SearchAddr = *pAddress;
5158 pDbgc->cbSearchRange = cbRange;
5159
5160 return cHits ? VINF_SUCCESS : VERR_DBGC_COMMAND_FAILED;
5161}
5162
5163
5164/**
5165 * Resumes the previous search.
5166 *
5167 * @returns VBox status code.
5168 * @param pCmdHlp Pointer to the command helper functions.
5169 * @param pUVM The user mode VM handle.
5170 * @param pResult Where to store the result of a function invocation.
5171 */
5172static int dbgcCmdWorkerSearchMemResume(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGCVAR pResult)
5173{
5174 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5175
5176 /*
5177 * Make sure there is a previous command.
5178 */
5179 if (!pDbgc->cbSearch)
5180 {
5181 DBGCCmdHlpPrintf(pCmdHlp, "Error: No previous search\n");
5182 return VERR_DBGC_COMMAND_FAILED;
5183 }
5184
5185 /*
5186 * Make range and address adjustments.
5187 */
5188 DBGFADDRESS Address = pDbgc->SearchAddr;
5189 if (Address.FlatPtr == ~(RTGCUINTPTR)0)
5190 {
5191 Address.FlatPtr -= Address.off;
5192 Address.off = 0;
5193 }
5194
5195 RTGCUINTPTR cbRange = pDbgc->cbSearchRange;
5196 if (!cbRange)
5197 cbRange = ~(RTGCUINTPTR)0;
5198 if (Address.FlatPtr + cbRange < pDbgc->SearchAddr.FlatPtr)
5199 cbRange = ~(RTGCUINTPTR)0 - pDbgc->SearchAddr.FlatPtr + !!pDbgc->SearchAddr.FlatPtr;
5200
5201 return dbgcCmdWorkerSearchMemDoIt(pCmdHlp, pUVM, &Address, cbRange, pDbgc->abSearch, pDbgc->cbSearch,
5202 pDbgc->cbSearchUnit, pDbgc->cMaxSearchHits, pResult);
5203}
5204
5205
5206/**
5207 * Search memory, worker for the 's' and 's?' functions.
5208 *
5209 * @returns VBox status code.
5210 * @param pCmdHlp Pointer to the command helper functions.
5211 * @param pUVM The user mode VM handle.
5212 * @param pAddress Where to start searching. If no range, search till end of address space.
5213 * @param cMaxHits The maximum number of hits.
5214 * @param chType The search type.
5215 * @param paPatArgs The pattern variable array.
5216 * @param cPatArgs Number of pattern variables.
5217 * @param pResult Where to store the result of a function invocation.
5218 */
5219static int dbgcCmdWorkerSearchMem(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR pAddress, uint64_t cMaxHits, char chType,
5220 PCDBGCVAR paPatArgs, unsigned cPatArgs, PDBGCVAR pResult)
5221{
5222 if (pResult)
5223 DBGCVAR_INIT_GC_FLAT(pResult, 0);
5224
5225 /*
5226 * Convert the search pattern into bytes and DBGFR3MemScan can deal with.
5227 */
5228 uint32_t cbUnit;
5229 switch (chType)
5230 {
5231 case 'a':
5232 case 'b': cbUnit = 1; break;
5233 case 'u': cbUnit = 2 | RT_BIT_32(31); break;
5234 case 'w': cbUnit = 2; break;
5235 case 'd': cbUnit = 4; break;
5236 case 'q': cbUnit = 8; break;
5237 default:
5238 return pCmdHlp->pfnVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "chType=%c\n", chType);
5239 }
5240 uint8_t abBytes[RT_SIZEOFMEMB(DBGC, abSearch)];
5241 uint32_t cbBytes = sizeof(abBytes);
5242 int rc = dbgcVarsToBytes(pCmdHlp, abBytes, &cbBytes, cbUnit, paPatArgs, cPatArgs);
5243 if (RT_FAILURE(rc))
5244 return VERR_DBGC_COMMAND_FAILED;
5245
5246 /*
5247 * Make DBGF address and fix the range.
5248 */
5249 DBGFADDRESS Address;
5250 rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, pAddress, &Address);
5251 if (RT_FAILURE(rc))
5252 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", pAddress);
5253
5254 RTGCUINTPTR cbRange;
5255 switch (pAddress->enmRangeType)
5256 {
5257 case DBGCVAR_RANGE_BYTES:
5258 cbRange = pAddress->u64Range;
5259 if (cbRange != pAddress->u64Range)
5260 cbRange = ~(RTGCUINTPTR)0;
5261 break;
5262
5263 case DBGCVAR_RANGE_ELEMENTS:
5264 cbRange = (RTGCUINTPTR)(pAddress->u64Range * cbUnit);
5265 if ( cbRange != pAddress->u64Range * cbUnit
5266 || cbRange < pAddress->u64Range)
5267 cbRange = ~(RTGCUINTPTR)0;
5268 break;
5269
5270 default:
5271 cbRange = ~(RTGCUINTPTR)0;
5272 break;
5273 }
5274 if (Address.FlatPtr + cbRange < Address.FlatPtr)
5275 cbRange = ~(RTGCUINTPTR)0 - Address.FlatPtr + !!Address.FlatPtr;
5276
5277 /*
5278 * Ok, do it.
5279 */
5280 return dbgcCmdWorkerSearchMemDoIt(pCmdHlp, pUVM, &Address, cbRange, abBytes, cbBytes, cbUnit, cMaxHits, pResult);
5281}
5282
5283
5284/**
5285 * @callback_method_impl{FNDBGCCMD, The 's' command.}
5286 */
5287static DECLCALLBACK(int) dbgcCmdSearchMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5288{
5289 RT_NOREF2(pCmd, paArgs);
5290
5291 /* check that the parser did what it's supposed to do. */
5292 //if ( cArgs <= 2
5293 // && paArgs[0].enmType != DBGCVAR_TYPE_STRING)
5294 // return DBGCCmdHlpPrintf(pCmdHlp, "parser error\n");
5295
5296 /*
5297 * Repeat previous search?
5298 */
5299 if (cArgs == 0)
5300 return dbgcCmdWorkerSearchMemResume(pCmdHlp, pUVM, NULL);
5301
5302 /*
5303 * Parse arguments.
5304 */
5305
5306 return -1;
5307}
5308
5309
5310/**
5311 * @callback_method_impl{FNDBGCCMD, The 's?' command.}
5312 */
5313static DECLCALLBACK(int) dbgcCmdSearchMemType(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5314{
5315 /* check that the parser did what it's supposed to do. */
5316 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs >= 2 && DBGCVAR_ISGCPOINTER(paArgs[0].enmType));
5317 return dbgcCmdWorkerSearchMem(pCmdHlp, pUVM, &paArgs[0], 25, pCmd->pszCmd[1], paArgs + 1, cArgs - 1, NULL);
5318}
5319
5320
5321/**
5322 * Matching function for interrupts event names.
5323 *
5324 * This parses the interrupt number and length.
5325 *
5326 * @returns True if match, false if not.
5327 * @param pPattern The user specified pattern to match.
5328 * @param pszEvtName The event name.
5329 * @param pCmdHlp Command helpers for warning about malformed stuff.
5330 * @param piFirst Where to return start interrupt number on success.
5331 * @param pcInts Where to return the number of interrupts on success.
5332 */
5333static bool dbgcEventIsMatchingInt(PCDBGCVAR pPattern, const char *pszEvtName, PDBGCCMDHLP pCmdHlp,
5334 uint8_t *piFirst, uint16_t *pcInts)
5335{
5336 /*
5337 * Ignore trailing hex digits when comparing with the event base name.
5338 */
5339 const char *pszPattern = pPattern->u.pszString;
5340 const char *pszEnd = RTStrEnd(pszPattern, RTSTR_MAX);
5341 while ( (uintptr_t)pszEnd > (uintptr_t)pszPattern
5342 && RT_C_IS_XDIGIT(pszEnd[-1]))
5343 pszEnd -= 1;
5344 if (RTStrSimplePatternNMatch(pszPattern, pszEnd - pszPattern, pszEvtName, RTSTR_MAX))
5345 {
5346 /*
5347 * Parse the index and length.
5348 */
5349 if (!*pszEnd)
5350 *piFirst = 0;
5351 else
5352 {
5353 int rc = RTStrToUInt8Full(pszEnd, 16, piFirst);
5354 if (rc != VINF_SUCCESS)
5355 {
5356 if (RT_FAILURE(rc))
5357 *piFirst = 0;
5358 DBGCCmdHlpPrintf(pCmdHlp, "Warning: %Rrc parsing '%s' - interpreting it as %#x\n", rc, pszEnd, *piFirst);
5359 }
5360 }
5361
5362 if (pPattern->enmRangeType == DBGCVAR_RANGE_NONE)
5363 *pcInts = 1;
5364 else
5365 *pcInts = RT_MAX(RT_MIN((uint16_t)pPattern->u64Range, 256 - *piFirst), 1);
5366 return true;
5367 }
5368 return false;
5369}
5370
5371
5372/**
5373 * Updates a DBGC event config.
5374 *
5375 * @returns VINF_SUCCESS or VERR_NO_MEMORY.
5376 * @param ppEvtCfg The event configuration entry to update.
5377 * @param pszCmd The new command. Leave command alone if NULL.
5378 * @param enmEvtState The new event state.
5379 * @param fChangeCmdOnly Whether to only update the command.
5380 */
5381static int dbgcEventUpdate(PDBGCEVTCFG *ppEvtCfg, const char *pszCmd, DBGCEVTSTATE enmEvtState, bool fChangeCmdOnly)
5382{
5383 PDBGCEVTCFG pEvtCfg = *ppEvtCfg;
5384
5385 /*
5386 * If we've got a command string, update the command too.
5387 */
5388 if (pszCmd)
5389 {
5390 size_t cchCmd = strlen(pszCmd);
5391 if ( !cchCmd
5392 && ( !fChangeCmdOnly
5393 ? enmEvtState == kDbgcEvtState_Disabled
5394 : !pEvtCfg || pEvtCfg->enmState == kDbgcEvtState_Disabled))
5395 {
5396 /* NULL entry is fine if no command and disabled. */
5397 RTMemFree(pEvtCfg);
5398 *ppEvtCfg = NULL;
5399 }
5400 else
5401 {
5402 if (!pEvtCfg || pEvtCfg->cchCmd < cchCmd)
5403 {
5404 RTMemFree(pEvtCfg);
5405 *ppEvtCfg = pEvtCfg = (PDBGCEVTCFG)RTMemAlloc(RT_UOFFSETOF_DYN(DBGCEVTCFG, szCmd[cchCmd + 1]));
5406 if (!pEvtCfg)
5407 return VERR_NO_MEMORY;
5408 }
5409 pEvtCfg->enmState = enmEvtState;
5410 pEvtCfg->cchCmd = cchCmd;
5411 memcpy(pEvtCfg->szCmd, pszCmd, cchCmd + 1);
5412 }
5413 }
5414 /*
5415 * Update existing or enable new. If NULL and not enabled, we can keep it that way.
5416 */
5417 else if (pEvtCfg || enmEvtState != kDbgcEvtState_Disabled)
5418 {
5419 if (!pEvtCfg)
5420 {
5421 *ppEvtCfg = pEvtCfg = (PDBGCEVTCFG)RTMemAlloc(sizeof(DBGCEVTCFG));
5422 if (!pEvtCfg)
5423 return VERR_NO_MEMORY;
5424 pEvtCfg->cchCmd = 0;
5425 pEvtCfg->szCmd[0] = '\0';
5426 }
5427 pEvtCfg->enmState = enmEvtState;
5428 }
5429
5430 return VINF_SUCCESS;
5431}
5432
5433
5434/**
5435 * Record one settings change for a plain event.
5436 *
5437 * @returns The new @a cIntCfgs value.
5438 * @param paEventCfgs The event setttings array. Must have DBGFEVENT_END
5439 * entries.
5440 * @param cEventCfgs The current number of entries in @a paEventCfgs.
5441 * @param enmType The event to change the settings for.
5442 * @param enmEvtState The new event state.
5443 * @param iSxEvt Index into the g_aDbgcSxEvents array.
5444 *
5445 * @remarks We use abUnused[0] for the enmEvtState, while abUnused[1] and
5446 * abUnused[2] are used for iSxEvt.
5447 */
5448static uint32_t dbgcEventAddPlainConfig(PDBGFEVENTCONFIG paEventCfgs, uint32_t cEventCfgs, DBGFEVENTTYPE enmType,
5449 DBGCEVTSTATE enmEvtState, uint16_t iSxEvt)
5450{
5451 uint32_t iCfg;
5452 for (iCfg = 0; iCfg < cEventCfgs; iCfg++)
5453 if (paEventCfgs[iCfg].enmType == enmType)
5454 break;
5455 if (iCfg == cEventCfgs)
5456 {
5457 Assert(cEventCfgs < DBGFEVENT_END);
5458 paEventCfgs[iCfg].enmType = enmType;
5459 cEventCfgs++;
5460 }
5461 paEventCfgs[iCfg].fEnabled = enmEvtState > kDbgcEvtState_Disabled;
5462 paEventCfgs[iCfg].abUnused[0] = enmEvtState;
5463 paEventCfgs[iCfg].abUnused[1] = (uint8_t)iSxEvt;
5464 paEventCfgs[iCfg].abUnused[2] = (uint8_t)(iSxEvt >> 8);
5465 return cEventCfgs;
5466}
5467
5468
5469/**
5470 * Record one or more interrupt event config changes.
5471 *
5472 * @returns The new @a cIntCfgs value.
5473 * @param paIntCfgs Interrupt confiruation array. Must have 256 entries.
5474 * @param cIntCfgs The current number of entries in @a paIntCfgs.
5475 * @param iInt The interrupt number to start with.
5476 * @param cInts The number of interrupts to change.
5477 * @param pszName The settings name (hwint/swint).
5478 * @param enmEvtState The new event state.
5479 * @param bIntOp The new DBGF interrupt state.
5480 */
5481static uint32_t dbgcEventAddIntConfig(PDBGFINTERRUPTCONFIG paIntCfgs, uint32_t cIntCfgs, uint8_t iInt, uint16_t cInts,
5482 const char *pszName, DBGCEVTSTATE enmEvtState, uint8_t bIntOp)
5483{
5484 bool const fHwInt = *pszName == 'h';
5485
5486 bIntOp |= (uint8_t)enmEvtState << 4;
5487 uint8_t const bSoftState = !fHwInt ? bIntOp : DBGFINTERRUPTSTATE_DONT_TOUCH;
5488 uint8_t const bHardState = fHwInt ? bIntOp : DBGFINTERRUPTSTATE_DONT_TOUCH;
5489
5490 while (cInts > 0)
5491 {
5492 uint32_t iCfg;
5493 for (iCfg = 0; iCfg < cIntCfgs; iCfg++)
5494 if (paIntCfgs[iCfg].iInterrupt == iInt)
5495 break;
5496 if (iCfg == cIntCfgs)
5497 break;
5498 if (fHwInt)
5499 paIntCfgs[iCfg].enmHardState = bHardState;
5500 else
5501 paIntCfgs[iCfg].enmSoftState = bSoftState;
5502 iInt++;
5503 cInts--;
5504 }
5505
5506 while (cInts > 0)
5507 {
5508 Assert(cIntCfgs < 256);
5509 paIntCfgs[cIntCfgs].iInterrupt = iInt;
5510 paIntCfgs[cIntCfgs].enmHardState = bHardState;
5511 paIntCfgs[cIntCfgs].enmSoftState = bSoftState;
5512 cIntCfgs++;
5513 iInt++;
5514 cInts--;
5515 }
5516
5517 return cIntCfgs;
5518}
5519
5520
5521/**
5522 * Applies event settings changes to DBGC and DBGF.
5523 *
5524 * @returns VBox status code (fully bitched)
5525 * @param pCmdHlp The command helpers.
5526 * @param pUVM The user mode VM handle.
5527 * @param paIntCfgs Interrupt configuration array. We use the upper 4
5528 * bits of the settings for the DBGCEVTSTATE. This
5529 * will be cleared.
5530 * @param cIntCfgs Number of interrupt configuration changes.
5531 * @param paEventCfgs The generic event configuration array. We use the
5532 * abUnused[0] member for the DBGCEVTSTATE, and
5533 * abUnused[2:1] for the g_aDbgcSxEvents index.
5534 * @param cEventCfgs The number of generic event settings changes.
5535 * @param pszCmd The commands to associate with the changed events.
5536 * If this is NULL, don't touch the command.
5537 * @param fChangeCmdOnly Whether to only change the commands (sx-).
5538 */
5539static int dbgcEventApplyChanges(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGFINTERRUPTCONFIG paIntCfgs, uint32_t cIntCfgs,
5540 PCDBGFEVENTCONFIG paEventCfgs, uint32_t cEventCfgs, const char *pszCmd, bool fChangeCmdOnly)
5541{
5542 int rc;
5543
5544 /*
5545 * Apply changes to DBGC. This can only fail with out of memory error.
5546 */
5547 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5548 if (cIntCfgs)
5549 for (uint32_t iCfg = 0; iCfg < cIntCfgs; iCfg++)
5550 {
5551 DBGCEVTSTATE enmEvtState = (DBGCEVTSTATE)(paIntCfgs[iCfg].enmHardState >> 4);
5552 paIntCfgs[iCfg].enmHardState &= 0xf;
5553 if (paIntCfgs[iCfg].enmHardState != DBGFINTERRUPTSTATE_DONT_TOUCH)
5554 {
5555 rc = dbgcEventUpdate(&pDbgc->apHardInts[paIntCfgs[iCfg].iInterrupt], pszCmd, enmEvtState, fChangeCmdOnly);
5556 if (RT_FAILURE(rc))
5557 return rc;
5558 }
5559
5560 enmEvtState = (DBGCEVTSTATE)(paIntCfgs[iCfg].enmSoftState >> 4);
5561 paIntCfgs[iCfg].enmSoftState &= 0xf;
5562 if (paIntCfgs[iCfg].enmSoftState != DBGFINTERRUPTSTATE_DONT_TOUCH)
5563 {
5564 rc = dbgcEventUpdate(&pDbgc->apSoftInts[paIntCfgs[iCfg].iInterrupt], pszCmd, enmEvtState, fChangeCmdOnly);
5565 if (RT_FAILURE(rc))
5566 return rc;
5567 }
5568 }
5569
5570 if (cEventCfgs)
5571 {
5572 for (uint32_t iCfg = 0; iCfg < cEventCfgs; iCfg++)
5573 {
5574 Assert((unsigned)paEventCfgs[iCfg].enmType < RT_ELEMENTS(pDbgc->apEventCfgs));
5575 uint16_t iSxEvt = RT_MAKE_U16(paEventCfgs[iCfg].abUnused[1], paEventCfgs[iCfg].abUnused[2]);
5576 Assert(iSxEvt < RT_ELEMENTS(g_aDbgcSxEvents));
5577 rc = dbgcEventUpdate(&pDbgc->apEventCfgs[iSxEvt], pszCmd, (DBGCEVTSTATE)paEventCfgs[iCfg].abUnused[0], fChangeCmdOnly);
5578 if (RT_FAILURE(rc))
5579 return rc;
5580 }
5581 }
5582
5583 /*
5584 * Apply changes to DBGF.
5585 */
5586 if (!fChangeCmdOnly)
5587 {
5588 if (cIntCfgs)
5589 {
5590 rc = DBGFR3InterruptConfigEx(pUVM, paIntCfgs, cIntCfgs);
5591 if (RT_FAILURE(rc))
5592 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3InterruptConfigEx: %Rrc\n", rc);
5593 }
5594 if (cEventCfgs)
5595 {
5596 rc = DBGFR3EventConfigEx(pUVM, paEventCfgs, cEventCfgs);
5597 if (RT_FAILURE(rc))
5598 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3EventConfigEx: %Rrc\n", rc);
5599 }
5600 }
5601
5602 return VINF_SUCCESS;
5603}
5604
5605
5606/**
5607 * @callback_method_impl{FNDBGCCMD, The 'sx[eni-]' commands.}
5608 */
5609static DECLCALLBACK(int) dbgcCmdEventCtrl(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5610{
5611 /*
5612 * Figure out which command this is.
5613 */
5614 uint8_t bIntOp;
5615 DBGCEVTSTATE enmEvtState;
5616 bool fChangeCmdOnly;
5617 switch (pCmd->pszCmd[2])
5618 {
5619 case 'e': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Enabled; fChangeCmdOnly = false; break;
5620 case 'n': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Notify; fChangeCmdOnly = false; break;
5621 case '-': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Invalid; fChangeCmdOnly = true; break;
5622 case 'i': bIntOp = DBGFINTERRUPTSTATE_DISABLED; enmEvtState = kDbgcEvtState_Disabled; fChangeCmdOnly = false; break;
5623 default:
5624 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "pszCmd=%s\n", pCmd->pszCmd);
5625 }
5626
5627 /*
5628 * Command option.
5629 */
5630 unsigned iArg = 0;
5631 const char *pszCmd = NULL;
5632 if ( cArgs >= iArg + 2
5633 && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING
5634 && paArgs[iArg + 1].enmType == DBGCVAR_TYPE_STRING
5635 && strcmp(paArgs[iArg].u.pszString, "-c") == 0)
5636 {
5637 pszCmd = paArgs[iArg + 1].u.pszString;
5638 iArg += 2;
5639 }
5640 if (fChangeCmdOnly && !pszCmd)
5641 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "The 'sx-' requires the '-c cmd' arguments.\n");
5642
5643 /*
5644 * The remaining arguments are event specifiers to which the operation should be applied.
5645 */
5646 uint32_t cIntCfgs = 0;
5647 DBGFINTERRUPTCONFIG aIntCfgs[256];
5648 uint32_t cEventCfgs = 0;
5649 DBGFEVENTCONFIG aEventCfgs[DBGFEVENT_END];
5650
5651 for (; iArg < cArgs; iArg++)
5652 {
5653 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, iArg, paArgs[iArg].enmType == DBGCVAR_TYPE_STRING
5654 || paArgs[iArg].enmType == DBGCVAR_TYPE_SYMBOL);
5655 uint32_t cHits = 0;
5656 for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5657 if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5658 {
5659 if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
5660 || ( g_aDbgcSxEvents[iEvt].pszAltNm
5661 && RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
5662 {
5663 cEventCfgs = dbgcEventAddPlainConfig(aEventCfgs, cEventCfgs, g_aDbgcSxEvents[iEvt].enmType,
5664 enmEvtState, iEvt);
5665 cHits++;
5666 }
5667 }
5668 else
5669 {
5670 Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
5671 uint8_t iInt;
5672 uint16_t cInts;
5673 if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
5674 {
5675 cIntCfgs = dbgcEventAddIntConfig(aIntCfgs, cIntCfgs, iInt, cInts, g_aDbgcSxEvents[iEvt].pszName,
5676 enmEvtState, bIntOp);
5677 cHits++;
5678 }
5679 }
5680 if (!cHits)
5681 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
5682 }
5683
5684 /*
5685 * Apply the changes.
5686 */
5687 return dbgcEventApplyChanges(pCmdHlp, pUVM, aIntCfgs, cIntCfgs, aEventCfgs, cEventCfgs, pszCmd, fChangeCmdOnly);
5688}
5689
5690
5691/**
5692 * @callback_method_impl{FNDBGCCMD, The 'sxr' commands.}
5693 */
5694static DECLCALLBACK(int) dbgcCmdEventCtrlReset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5695{
5696 RT_NOREF1(pCmd);
5697 uint32_t cEventCfgs = 0;
5698 DBGFEVENTCONFIG aEventCfgs[DBGFEVENT_END];
5699 uint32_t cIntCfgs = 0;
5700 DBGFINTERRUPTCONFIG aIntCfgs[256];
5701
5702 if (cArgs == 0)
5703 {
5704 /*
5705 * All events.
5706 */
5707 for (uint32_t iInt = 0; iInt < 256; iInt++)
5708 {
5709 aIntCfgs[iInt].iInterrupt = iInt;
5710 aIntCfgs[iInt].enmHardState = DBGFINTERRUPTSTATE_DONT_TOUCH;
5711 aIntCfgs[iInt].enmSoftState = DBGFINTERRUPTSTATE_DONT_TOUCH;
5712 }
5713 cIntCfgs = 256;
5714
5715 for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5716 if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5717 {
5718 aEventCfgs[cEventCfgs].enmType = g_aDbgcSxEvents[iEvt].enmType;
5719 aEventCfgs[cEventCfgs].fEnabled = g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled;
5720 aEventCfgs[cEventCfgs].abUnused[0] = g_aDbgcSxEvents[iEvt].enmDefault;
5721 aEventCfgs[cEventCfgs].abUnused[1] = (uint8_t)iEvt;
5722 aEventCfgs[cEventCfgs].abUnused[2] = (uint8_t)(iEvt >> 8);
5723 cEventCfgs++;
5724 }
5725 else
5726 {
5727 uint8_t const bState = ( g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled
5728 ? DBGFINTERRUPTSTATE_ENABLED : DBGFINTERRUPTSTATE_DISABLED)
5729 | ((uint8_t)g_aDbgcSxEvents[iEvt].enmDefault << 4);
5730 if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
5731 for (uint32_t iInt = 0; iInt < 256; iInt++)
5732 aIntCfgs[iInt].enmHardState = bState;
5733 else
5734 for (uint32_t iInt = 0; iInt < 256; iInt++)
5735 aIntCfgs[iInt].enmSoftState = bState;
5736 }
5737 }
5738 else
5739 {
5740 /*
5741 * Selected events.
5742 */
5743 for (uint32_t iArg = 0; iArg < cArgs; iArg++)
5744 {
5745 unsigned cHits = 0;
5746 for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5747 if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5748 {
5749 if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
5750 || ( g_aDbgcSxEvents[iEvt].pszAltNm
5751 && RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
5752 {
5753 cEventCfgs = dbgcEventAddPlainConfig(aEventCfgs, cEventCfgs, g_aDbgcSxEvents[iEvt].enmType,
5754 g_aDbgcSxEvents[iEvt].enmDefault, iEvt);
5755 cHits++;
5756 }
5757 }
5758 else
5759 {
5760 Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
5761 uint8_t iInt;
5762 uint16_t cInts;
5763 if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
5764 {
5765 cIntCfgs = dbgcEventAddIntConfig(aIntCfgs, cIntCfgs, iInt, cInts, g_aDbgcSxEvents[iEvt].pszName,
5766 g_aDbgcSxEvents[iEvt].enmDefault,
5767 g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled
5768 ? DBGFINTERRUPTSTATE_ENABLED : DBGFINTERRUPTSTATE_DISABLED);
5769 cHits++;
5770 }
5771 }
5772 if (!cHits)
5773 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
5774 }
5775 }
5776
5777 /*
5778 * Apply the reset changes.
5779 */
5780 return dbgcEventApplyChanges(pCmdHlp, pUVM, aIntCfgs, cIntCfgs, aEventCfgs, cEventCfgs, "", false);
5781}
5782
5783
5784/**
5785 * Used during DBGC initialization to configure events with defaults.
5786 *
5787 * @returns VBox status code.
5788 * @param pDbgc The DBGC instance.
5789 */
5790void dbgcEventInit(PDBGC pDbgc)
5791{
5792 if (pDbgc->pUVM)
5793 dbgcCmdEventCtrlReset(NULL, &pDbgc->CmdHlp, pDbgc->pUVM, NULL, 0);
5794}
5795
5796
5797/**
5798 * Used during DBGC termination to disable all events.
5799 *
5800 * @param pDbgc The DBGC instance.
5801 */
5802void dbgcEventTerm(PDBGC pDbgc)
5803{
5804/** @todo need to do more than just reset later. */
5805 if (pDbgc->pUVM && VMR3GetStateU(pDbgc->pUVM) < VMSTATE_DESTROYING)
5806 dbgcCmdEventCtrlReset(NULL, &pDbgc->CmdHlp, pDbgc->pUVM, NULL, 0);
5807}
5808
5809
5810static void dbgcEventDisplay(PDBGCCMDHLP pCmdHlp, const char *pszName, DBGCEVTSTATE enmDefault, PDBGCEVTCFG const *ppEvtCfg)
5811{
5812 RT_NOREF1(enmDefault);
5813 PDBGCEVTCFG pEvtCfg = *ppEvtCfg;
5814
5815 const char *pszState;
5816 switch (pEvtCfg ? pEvtCfg->enmState : kDbgcEvtState_Disabled)
5817 {
5818 case kDbgcEvtState_Disabled: pszState = "ignore"; break;
5819 case kDbgcEvtState_Enabled: pszState = "enabled"; break;
5820 case kDbgcEvtState_Notify: pszState = "notify"; break;
5821 default:
5822 AssertFailed();
5823 pszState = "invalid";
5824 break;
5825 }
5826
5827 if (pEvtCfg && pEvtCfg->cchCmd > 0)
5828 DBGCCmdHlpPrintf(pCmdHlp, "%-22s %-7s \"%s\"\n", pszName, pszState, pEvtCfg->szCmd);
5829 else
5830 DBGCCmdHlpPrintf(pCmdHlp, "%-22s %s\n", pszName, pszState);
5831}
5832
5833
5834static void dbgcEventDisplayRange(PDBGCCMDHLP pCmdHlp, const char *pszBaseNm, DBGCEVTSTATE enmDefault,
5835 PDBGCEVTCFG const *papEvtCfgs, unsigned iCfg, unsigned cCfgs)
5836{
5837 do
5838 {
5839 PCDBGCEVTCFG pFirstCfg = papEvtCfgs[iCfg];
5840 if (pFirstCfg && pFirstCfg->enmState == kDbgcEvtState_Disabled && pFirstCfg->cchCmd == 0)
5841 pFirstCfg = NULL;
5842
5843 unsigned const iFirstCfg = iCfg;
5844 iCfg++;
5845 while (iCfg < cCfgs)
5846 {
5847 PCDBGCEVTCFG pCurCfg = papEvtCfgs[iCfg];
5848 if (pCurCfg && pCurCfg->enmState == kDbgcEvtState_Disabled && pCurCfg->cchCmd == 0)
5849 pCurCfg = NULL;
5850 if (pCurCfg != pFirstCfg)
5851 {
5852 if (!pCurCfg || !pFirstCfg)
5853 break;
5854 if (pCurCfg->enmState != pFirstCfg->enmState)
5855 break;
5856 if (pCurCfg->cchCmd != pFirstCfg->cchCmd)
5857 break;
5858 if (memcmp(pCurCfg->szCmd, pFirstCfg->szCmd, pFirstCfg->cchCmd) != 0)
5859 break;
5860 }
5861 iCfg++;
5862 }
5863
5864 char szName[16];
5865 unsigned cEntries = iCfg - iFirstCfg;
5866 if (cEntries == 1)
5867 RTStrPrintf(szName, sizeof(szName), "%s%02x", pszBaseNm, iFirstCfg);
5868 else
5869 RTStrPrintf(szName, sizeof(szName), "%s%02x L %#x", pszBaseNm, iFirstCfg, cEntries);
5870 dbgcEventDisplay(pCmdHlp, szName, enmDefault, &papEvtCfgs[iFirstCfg]);
5871
5872 cCfgs -= cEntries;
5873 } while (cCfgs > 0);
5874}
5875
5876
5877/**
5878 * @callback_method_impl{FNDBGCCMD, The 'sx' commands.}
5879 */
5880static DECLCALLBACK(int) dbgcCmdEventCtrlList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5881{
5882 RT_NOREF2(pCmd, pUVM);
5883 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5884
5885 if (cArgs == 0)
5886 {
5887 /*
5888 * All events.
5889 */
5890 for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5891 if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5892 dbgcEventDisplay(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5893 &pDbgc->apEventCfgs[iEvt]);
5894 else if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
5895 dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5896 pDbgc->apHardInts, 0, 256);
5897 else
5898 dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5899 pDbgc->apSoftInts, 0, 256);
5900 }
5901 else
5902 {
5903 /*
5904 * Selected events.
5905 */
5906 for (uint32_t iArg = 0; iArg < cArgs; iArg++)
5907 {
5908 unsigned cHits = 0;
5909 for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5910 if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5911 {
5912 if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
5913 || ( g_aDbgcSxEvents[iEvt].pszAltNm
5914 && RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
5915 {
5916 dbgcEventDisplay(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5917 &pDbgc->apEventCfgs[iEvt]);
5918 cHits++;
5919 }
5920 }
5921 else
5922 {
5923 Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
5924 uint8_t iInt;
5925 uint16_t cInts;
5926 if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
5927 {
5928 if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
5929 dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5930 pDbgc->apHardInts, iInt, cInts);
5931 else
5932 dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5933 pDbgc->apSoftInts, iInt, cInts);
5934 cHits++;
5935 }
5936 }
5937 if (cHits == 0)
5938 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
5939 }
5940 }
5941
5942 return VINF_SUCCESS;
5943}
5944
5945
5946
5947/**
5948 * List near symbol.
5949 *
5950 * @returns VBox status code.
5951 * @param pCmdHlp Pointer to command helper functions.
5952 * @param pUVM The user mode VM handle.
5953 * @param pArg Pointer to the address or symbol to lookup.
5954 */
5955static int dbgcDoListNear(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR pArg)
5956{
5957 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5958
5959 RTDBGSYMBOL Symbol;
5960 int rc;
5961 if (pArg->enmType == DBGCVAR_TYPE_SYMBOL)
5962 {
5963 /*
5964 * Lookup the symbol address.
5965 */
5966 rc = DBGFR3AsSymbolByName(pUVM, pDbgc->hDbgAs, pArg->u.pszString, &Symbol, NULL);
5967 if (RT_FAILURE(rc))
5968 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3AsSymbolByName(,,%s,)\n", pArg->u.pszString);
5969
5970 rc = DBGCCmdHlpPrintf(pCmdHlp, "%RTptr %s\n", Symbol.Value, Symbol.szName);
5971 }
5972 else
5973 {
5974 /*
5975 * Convert it to a flat GC address and lookup that address.
5976 */
5977 DBGCVAR AddrVar;
5978 rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, "%%(%DV)", pArg);
5979 if (RT_FAILURE(rc))
5980 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "%%(%DV)\n", pArg);
5981
5982 RTINTPTR offDisp;
5983 DBGFADDRESS Addr;
5984 rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, AddrVar.u.GCFlat),
5985 RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
5986 &offDisp, &Symbol, NULL);
5987 if (RT_FAILURE(rc))
5988 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3AsSymbolByAddr(,,%RGv,,)\n", AddrVar.u.GCFlat);
5989
5990 if (!offDisp)
5991 rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s", &AddrVar, Symbol.szName);
5992 else if (offDisp > 0)
5993 rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s + %RGv", &AddrVar, Symbol.szName, offDisp);
5994 else
5995 rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s - %RGv", &AddrVar, Symbol.szName, -offDisp);
5996 if (Symbol.cb > 0)
5997 rc = DBGCCmdHlpPrintf(pCmdHlp, " (LB %RGv)\n", Symbol.cb);
5998 else
5999 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
6000 }
6001
6002 return rc;
6003}
6004
6005
6006/**
6007 * @callback_method_impl{FNDBGCCMD, The 'ln' (listnear) command.}
6008 */
6009static DECLCALLBACK(int) dbgcCmdListNear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6010{
6011 if (!cArgs)
6012 {
6013 /*
6014 * Current cs:eip symbol.
6015 */
6016 DBGCVAR AddrVar;
6017 const char *pszFmtExpr = "%%(cs:eip)";
6018 int rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, pszFmtExpr);
6019 if (RT_FAILURE(rc))
6020 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "%s\n", pszFmtExpr + 1);
6021 return dbgcDoListNear(pCmdHlp, pUVM, &AddrVar);
6022 }
6023
6024/** @todo Fix the darn parser, it's resolving symbols specified as arguments before we get in here. */
6025 /*
6026 * Iterate arguments.
6027 */
6028 for (unsigned iArg = 0; iArg < cArgs; iArg++)
6029 {
6030 int rc = dbgcDoListNear(pCmdHlp, pUVM, &paArgs[iArg]);
6031 if (RT_FAILURE(rc))
6032 return rc;
6033 }
6034
6035 NOREF(pCmd);
6036 return VINF_SUCCESS;
6037}
6038
6039
6040/**
6041 * Matches the module patters against a module name.
6042 *
6043 * @returns true if matching, otherwise false.
6044 * @param pszName The module name.
6045 * @param paArgs The module pattern argument list.
6046 * @param cArgs Number of arguments.
6047 */
6048static bool dbgcCmdListModuleMatch(const char *pszName, PCDBGCVAR paArgs, unsigned cArgs)
6049{
6050 for (uint32_t i = 0; i < cArgs; i++)
6051 if (RTStrSimplePatternMatch(paArgs[i].u.pszString, pszName))
6052 return true;
6053 return false;
6054}
6055
6056
6057/**
6058 * @callback_method_impl{FNDBGCCMD, The 'ln' (list near) command.}
6059 */
6060static DECLCALLBACK(int) dbgcCmdListModules(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6061{
6062 bool const fMappings = pCmd->pszCmd[2] == 'o';
6063 bool const fVerbose = pCmd->pszCmd[strlen(pCmd->pszCmd) - 1] == 'v';
6064 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6065
6066 /*
6067 * Iterate the modules in the current address space and print info about
6068 * those matching the input.
6069 */
6070 RTDBGAS hAsCurAlias = pDbgc->hDbgAs;
6071 for (uint32_t iAs = 0;; iAs++)
6072 {
6073 RTDBGAS hAs = DBGFR3AsResolveAndRetain(pUVM, hAsCurAlias);
6074 uint32_t cMods = RTDbgAsModuleCount(hAs);
6075 for (uint32_t iMod = 0; iMod < cMods; iMod++)
6076 {
6077 RTDBGMOD hMod = RTDbgAsModuleByIndex(hAs, iMod);
6078 if (hMod != NIL_RTDBGMOD)
6079 {
6080 bool const fDeferred = RTDbgModIsDeferred(hMod);
6081 bool const fExports = RTDbgModIsExports(hMod);
6082 uint32_t const cSegs = fDeferred ? 1 : RTDbgModSegmentCount(hMod);
6083 const char * const pszName = RTDbgModName(hMod);
6084 const char * const pszImgFile = RTDbgModImageFile(hMod);
6085 const char * const pszImgFileUsed = RTDbgModImageFileUsed(hMod);
6086 const char * const pszDbgFile = RTDbgModDebugFile(hMod);
6087 if ( cArgs == 0
6088 || dbgcCmdListModuleMatch(pszName, paArgs, cArgs))
6089 {
6090 /*
6091 * Find the mapping with the lower address, preferring a full
6092 * image mapping, for the main line.
6093 */
6094 RTDBGASMAPINFO aMappings[128];
6095 uint32_t cMappings = RT_ELEMENTS(aMappings);
6096 int rc = RTDbgAsModuleQueryMapByIndex(hAs, iMod, &aMappings[0], &cMappings, 0 /*fFlags*/);
6097 if (RT_SUCCESS(rc))
6098 {
6099 bool fFull = false;
6100 RTUINTPTR uMin = RTUINTPTR_MAX;
6101 for (uint32_t iMap = 0; iMap < cMappings; iMap++)
6102 if ( aMappings[iMap].Address < uMin
6103 && ( !fFull
6104 || aMappings[iMap].iSeg == NIL_RTDBGSEGIDX))
6105 uMin = aMappings[iMap].Address;
6106 if (!fVerbose || !pszImgFile)
6107 DBGCCmdHlpPrintf(pCmdHlp, "%RGv %04x %s%s\n", (RTGCUINTPTR)uMin, cSegs, pszName,
6108 fExports ? " (exports)" : fDeferred ? " (deferred)" : "");
6109 else
6110 DBGCCmdHlpPrintf(pCmdHlp, "%RGv %04x %-12s %s%s\n", (RTGCUINTPTR)uMin, cSegs, pszName, pszImgFile,
6111 fExports ? " (exports)" : fDeferred ? " (deferred)" : "");
6112 if (fVerbose && pszImgFileUsed)
6113 DBGCCmdHlpPrintf(pCmdHlp, " Local image: %s\n", pszImgFileUsed);
6114 if (fVerbose && pszDbgFile)
6115 DBGCCmdHlpPrintf(pCmdHlp, " Debug file: %s\n", pszDbgFile);
6116 if (fVerbose)
6117 {
6118 char szTmp[64];
6119 RTTIMESPEC TimeSpec;
6120 int64_t secTs = 0;
6121 if (RT_SUCCESS(RTDbgModImageQueryProp(hMod, RTLDRPROP_TIMESTAMP_SECONDS, &secTs, sizeof(secTs), NULL)))
6122 DBGCCmdHlpPrintf(pCmdHlp, " Timestamp: %08RX64 %s\n", secTs,
6123 RTTimeSpecToString(RTTimeSpecSetSeconds(&TimeSpec, secTs), szTmp, sizeof(szTmp)));
6124 RTUUID Uuid;
6125 if (RT_SUCCESS(RTDbgModImageQueryProp(hMod, RTLDRPROP_UUID, &Uuid, sizeof(Uuid), NULL)))
6126 DBGCCmdHlpPrintf(pCmdHlp, " UUID: %RTuuid\n", &Uuid);
6127 }
6128
6129 if (fMappings)
6130 {
6131 /* sort by address first - not very efficient. */
6132 for (uint32_t i = 0; i + 1 < cMappings; i++)
6133 for (uint32_t j = i + 1; j < cMappings; j++)
6134 if (aMappings[j].Address < aMappings[i].Address)
6135 {
6136 RTDBGASMAPINFO Tmp = aMappings[j];
6137 aMappings[j] = aMappings[i];
6138 aMappings[i] = Tmp;
6139 }
6140
6141 /* print */
6142 if ( cMappings == 1
6143 && aMappings[0].iSeg == NIL_RTDBGSEGIDX
6144 && !fDeferred)
6145 {
6146 for (uint32_t iSeg = 0; iSeg < cSegs; iSeg++)
6147 {
6148 RTDBGSEGMENT SegInfo;
6149 rc = RTDbgModSegmentByIndex(hMod, iSeg, &SegInfo);
6150 if (RT_SUCCESS(rc))
6151 {
6152 if (SegInfo.uRva != RTUINTPTR_MAX)
6153 DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv #%02x %s\n",
6154 (RTGCUINTPTR)(aMappings[0].Address + SegInfo.uRva),
6155 (RTGCUINTPTR)SegInfo.cb, iSeg, SegInfo.szName);
6156 else
6157 DBGCCmdHlpPrintf(pCmdHlp, " %*s %RGv #%02x %s\n",
6158 sizeof(RTGCUINTPTR)*2, "noload",
6159 (RTGCUINTPTR)SegInfo.cb, iSeg, SegInfo.szName);
6160 }
6161 else
6162 DBGCCmdHlpPrintf(pCmdHlp, " Error query segment #%u: %Rrc\n", iSeg, rc);
6163 }
6164 }
6165 else
6166 {
6167 for (uint32_t iMap = 0; iMap < cMappings; iMap++)
6168 if (aMappings[iMap].iSeg == NIL_RTDBGSEGIDX)
6169 DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv <everything>\n",
6170 (RTGCUINTPTR)aMappings[iMap].Address,
6171 (RTGCUINTPTR)RTDbgModImageSize(hMod));
6172 else if (!fDeferred)
6173 {
6174 RTDBGSEGMENT SegInfo;
6175 rc = RTDbgModSegmentByIndex(hMod, aMappings[iMap].iSeg, &SegInfo);
6176 if (RT_FAILURE(rc))
6177 {
6178 RT_ZERO(SegInfo);
6179 strcpy(SegInfo.szName, "error");
6180 }
6181 DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv #%02x %s\n",
6182 (RTGCUINTPTR)aMappings[iMap].Address,
6183 (RTGCUINTPTR)SegInfo.cb,
6184 aMappings[iMap].iSeg, SegInfo.szName);
6185 }
6186 else
6187 DBGCCmdHlpPrintf(pCmdHlp, " %RGv #%02x\n",
6188 (RTGCUINTPTR)aMappings[iMap].Address, aMappings[iMap].iSeg);
6189 }
6190 }
6191 }
6192 else
6193 DBGCCmdHlpPrintf(pCmdHlp, "%.*s %04x %s (rc=%Rrc)\n",
6194 sizeof(RTGCPTR) * 2, "???????????", cSegs, pszName, rc);
6195 /** @todo missing address space API for enumerating the mappings. */
6196 }
6197 RTDbgModRelease(hMod);
6198 }
6199 }
6200 RTDbgAsRelease(hAs);
6201
6202 /* For DBGF_AS_RC_AND_GC_GLOBAL we're required to do more work. */
6203 if (hAsCurAlias != DBGF_AS_RC_AND_GC_GLOBAL)
6204 break;
6205 AssertBreak(iAs == 0);
6206 hAsCurAlias = DBGF_AS_GLOBAL;
6207 }
6208
6209 NOREF(pCmd);
6210 return VINF_SUCCESS;
6211}
6212
6213
6214
6215/**
6216 * @callback_method_impl{FNDBGCCMD, The 'x' (examine symbols) command.}
6217 */
6218static DECLCALLBACK(int) dbgcCmdListSymbols(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6219{
6220 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6221 AssertReturn(paArgs[0].enmType == DBGCVAR_TYPE_STRING, VERR_DBGC_PARSE_BUG);
6222
6223 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6224
6225 /*
6226 * Allowed is either a single * to match everything or the Module!Symbol style
6227 * which requiresa ! to separate module and symbol.
6228 */
6229 bool fDumpAll = strcmp(paArgs[0].u.pszString, "*") == 0;
6230 const char *pszModule = NULL;
6231 size_t cchModule = 0;
6232 const char *pszSymbol = NULL;
6233 if (!fDumpAll)
6234 {
6235 const char *pszDelimiter = strchr(paArgs[0].u.pszString, '!');
6236 if (!pszDelimiter)
6237 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid search string '%s' for '%s'. Valid are either '*' or the form <Module>!<Symbol> where the <Module> and <Symbol> can contain wildcards",
6238 paArgs[0].u.pszString, pCmd->pszCmd);
6239
6240 pszModule = paArgs[0].u.pszString;
6241 cchModule = pszDelimiter - pszModule;
6242 pszSymbol = pszDelimiter + 1;
6243 }
6244
6245 /*
6246 * Iterate the modules in the current address space and print info about
6247 * those matching the input.
6248 */
6249 RTDBGAS hAsCurAlias = pDbgc->hDbgAs;
6250 for (uint32_t iAs = 0;; iAs++)
6251 {
6252 RTDBGAS hAs = DBGFR3AsResolveAndRetain(pUVM, hAsCurAlias);
6253 uint32_t cMods = RTDbgAsModuleCount(hAs);
6254 for (uint32_t iMod = 0; iMod < cMods; iMod++)
6255 {
6256 RTDBGMOD hMod = RTDbgAsModuleByIndex(hAs, iMod);
6257 if (hMod != NIL_RTDBGMOD)
6258 {
6259 const char *pszModName = RTDbgModName(hMod);
6260 if ( fDumpAll
6261 || RTStrSimplePatternNMatch(pszModule, cchModule, pszModName, strlen(pszModName)))
6262 {
6263 RTDBGASMAPINFO aMappings[128];
6264 uint32_t cMappings = RT_ELEMENTS(aMappings);
6265 RTUINTPTR uMapping = 0;
6266
6267 /* Get the minimum mapping address of the module so we can print absolute values for the symbol later on. */
6268 int rc = RTDbgAsModuleQueryMapByIndex(hAs, iMod, &aMappings[0], &cMappings, 0 /*fFlags*/);
6269 if (RT_SUCCESS(rc))
6270 {
6271 uMapping = RTUINTPTR_MAX;
6272 for (uint32_t iMap = 0; iMap < cMappings; iMap++)
6273 if (aMappings[iMap].Address < uMapping)
6274 uMapping = aMappings[iMap].Address;
6275 }
6276
6277 /* Go through the symbols and print any matches. */
6278 uint32_t cSyms = RTDbgModSymbolCount(hMod);
6279 for (uint32_t iSym = 0; iSym < cSyms; iSym++)
6280 {
6281 RTDBGSYMBOL SymInfo;
6282 rc = RTDbgModSymbolByOrdinal(hMod, iSym, &SymInfo);
6283 if ( RT_SUCCESS(rc)
6284 && ( fDumpAll
6285 || RTStrSimplePatternMatch(pszSymbol, &SymInfo.szName[0])))
6286 DBGCCmdHlpPrintf(pCmdHlp, "%RGv %s!%s\n", uMapping + RTDbgModSegmentRva(hMod, SymInfo.iSeg) + (RTGCUINTPTR)SymInfo.Value, pszModName, &SymInfo.szName[0]);
6287 }
6288 }
6289 RTDbgModRelease(hMod);
6290 }
6291 }
6292 RTDbgAsRelease(hAs);
6293
6294 /* For DBGF_AS_RC_AND_GC_GLOBAL we're required to do more work. */
6295 if (hAsCurAlias != DBGF_AS_RC_AND_GC_GLOBAL)
6296 break;
6297 AssertBreak(iAs == 0);
6298 hAsCurAlias = DBGF_AS_GLOBAL;
6299 }
6300
6301 RT_NOREF(pCmd);
6302 return VINF_SUCCESS;
6303}
6304
6305
6306/**
6307 * @callback_method_impl{FNDBGCCMD, The 'tflowc' (clear trace flow) command.}
6308 */
6309static DECLCALLBACK(int) dbgcCmdTraceFlowClear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6310{
6311 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
6312
6313 /*
6314 * Enumerate the arguments.
6315 */
6316 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6317 int rc = VINF_SUCCESS;
6318 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
6319 {
6320 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
6321 {
6322 /* one */
6323 uint32_t iFlowTraceMod = (uint32_t)paArgs[iArg].u.u64Number;
6324 if (iFlowTraceMod == paArgs[iArg].u.u64Number)
6325 {
6326 PDBGCTFLOW pFlowTrace = dbgcFlowTraceModGet(pDbgc, iFlowTraceMod);
6327 if (pFlowTrace)
6328 {
6329 rc = DBGFR3FlowTraceModRelease(pFlowTrace->hTraceFlowMod);
6330 if (RT_FAILURE(rc))
6331 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowTraceModRelease failed for flow trace module %#x", iFlowTraceMod);
6332 rc = DBGFR3FlowRelease(pFlowTrace->hFlow);
6333 if (RT_FAILURE(rc))
6334 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowRelease failed for flow trace module %#x", iFlowTraceMod);
6335 dbgcFlowTraceModDelete(pDbgc, iFlowTraceMod);
6336 }
6337 else
6338 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, VERR_NOT_FOUND, "Flow trace module %#x doesn't exist", iFlowTraceMod);
6339 }
6340 else
6341 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Flow trace mod id %RX64 is too large", paArgs[iArg].u.u64Number);
6342 }
6343 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
6344 {
6345 /* all */
6346 PDBGCTFLOW pIt, pItNext;
6347 RTListForEachSafe(&pDbgc->LstTraceFlowMods, pIt, pItNext, DBGCTFLOW, NdTraceFlow)
6348 {
6349 int rc2 = DBGFR3FlowTraceModRelease(pIt->hTraceFlowMod);
6350 if (RT_FAILURE(rc2))
6351 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3FlowTraceModDisable failed for flow trace module %#x", pIt->iTraceFlowMod);
6352 dbgcFlowTraceModDelete(pDbgc, pIt->iTraceFlowMod);
6353 }
6354 }
6355 else
6356 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
6357 }
6358 return rc;
6359}
6360
6361
6362/**
6363 * @callback_method_impl{FNDBGCCMD, The 'tflowd' (disable trace flow) command.}
6364 */
6365static DECLCALLBACK(int) dbgcCmdTraceFlowDisable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6366{
6367 /*
6368 * Enumerate the arguments.
6369 */
6370 RT_NOREF1(pUVM);
6371 int rc = VINF_SUCCESS;
6372 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6373 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
6374 {
6375 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
6376 {
6377 /* one */
6378 uint32_t iFlowTraceMod = (uint32_t)paArgs[iArg].u.u64Number;
6379 if (iFlowTraceMod == paArgs[iArg].u.u64Number)
6380 {
6381 PDBGCTFLOW pFlowTrace = dbgcFlowTraceModGet(pDbgc, iFlowTraceMod);
6382 if (pFlowTrace)
6383 {
6384 rc = DBGFR3FlowTraceModDisable(pFlowTrace->hTraceFlowMod);
6385 if (RT_FAILURE(rc))
6386 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowTraceModDisable failed for flow trace module %#x", iFlowTraceMod);
6387 }
6388 else
6389 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, VERR_NOT_FOUND, "Flow trace module %#x doesn't exist", iFlowTraceMod);
6390 }
6391 else
6392 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
6393 }
6394 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
6395 {
6396 /* all */
6397 PDBGCTFLOW pIt;
6398 RTListForEach(&pDbgc->LstTraceFlowMods, pIt, DBGCTFLOW, NdTraceFlow)
6399 {
6400 int rc2 = DBGFR3FlowTraceModDisable(pIt->hTraceFlowMod);
6401 if (RT_FAILURE(rc2))
6402 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3FlowTraceModDisable failed for flow trace module %#x",
6403 pIt->iTraceFlowMod);
6404 }
6405 }
6406 else
6407 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
6408 }
6409 return rc;
6410}
6411
6412
6413/**
6414 * @callback_method_impl{FNDBGCCMD, The 'tflowe' (enable trace flow) command.}
6415 */
6416static DECLCALLBACK(int) dbgcCmdTraceFlowEnable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6417{
6418 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6419
6420 /*
6421 * Validate input.
6422 */
6423 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
6424 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 2);
6425 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
6426
6427 if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
6428 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
6429
6430 /*
6431 * Check the desired mode.
6432 */
6433 unsigned fFlags = DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED | DBGF_DISAS_FLAGS_DEFAULT_MODE;
6434
6435 /** @todo should use DBGFADDRESS for everything */
6436
6437 /*
6438 * Find address.
6439 */
6440 if (!cArgs)
6441 {
6442 if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
6443 {
6444 /** @todo Batch query CS, RIP, CPU mode and flags. */
6445 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
6446 if (CPUMIsGuestIn64BitCode(pVCpu))
6447 {
6448 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
6449 pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
6450 }
6451 else
6452 {
6453 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
6454 pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
6455 pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
6456 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
6457 && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
6458 {
6459 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
6460 fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
6461 }
6462 }
6463
6464 fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST;
6465 }
6466 else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
6467 {
6468 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
6469 fFlags |= pDbgc->fDisasm & DBGF_DISAS_FLAGS_MODE_MASK;
6470 }
6471 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
6472 }
6473 else
6474 pDbgc->DisasmPos = paArgs[0];
6475 pDbgc->pLastPos = &pDbgc->DisasmPos;
6476
6477 /*
6478 * Convert physical and host addresses to guest addresses.
6479 */
6480 RTDBGAS hDbgAs = pDbgc->hDbgAs;
6481 int rc;
6482 switch (pDbgc->DisasmPos.enmType)
6483 {
6484 case DBGCVAR_TYPE_GC_FLAT:
6485 case DBGCVAR_TYPE_GC_FAR:
6486 break;
6487 case DBGCVAR_TYPE_GC_PHYS:
6488 hDbgAs = DBGF_AS_PHYS;
6489 /* fall thru */
6490 case DBGCVAR_TYPE_HC_FLAT:
6491 case DBGCVAR_TYPE_HC_PHYS:
6492 {
6493 DBGCVAR VarTmp;
6494 rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
6495 if (RT_FAILURE(rc))
6496 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
6497 pDbgc->DisasmPos = VarTmp;
6498 break;
6499 }
6500 default: AssertFailed(); break;
6501 }
6502
6503 DBGFADDRESS CurAddr;
6504 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
6505 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
6506 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
6507 else
6508 {
6509 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
6510 if (RT_FAILURE(rc))
6511 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
6512 }
6513
6514 DBGFFLOW hCfg;
6515 rc = DBGFR3FlowCreate(pUVM, pDbgc->idCpu, &CurAddr, 0 /*cbDisasmMax*/,
6516 DBGF_FLOW_CREATE_F_TRY_RESOLVE_INDIRECT_BRANCHES, fFlags, &hCfg);
6517 if (RT_SUCCESS(rc))
6518 {
6519 /* Create a probe. */
6520 DBGFFLOWTRACEPROBE hFlowTraceProbe = NULL;
6521 DBGFFLOWTRACEPROBE hFlowTraceProbeExit = NULL;
6522 DBGFFLOWTRACEPROBEENTRY Entry;
6523 DBGFFLOWTRACEMOD hFlowTraceMod = NULL;
6524 uint32_t iTraceModId = 0;
6525
6526 RT_ZERO(Entry);
6527 Entry.enmType = DBGFFLOWTRACEPROBEENTRYTYPE_DEBUGGER;
6528
6529 rc = DBGFR3FlowTraceProbeCreate(pUVM, NULL, &hFlowTraceProbe);
6530 if (RT_SUCCESS(rc))
6531 rc = DBGFR3FlowTraceProbeCreate(pUVM, NULL, &hFlowTraceProbeExit);
6532 if (RT_SUCCESS(rc))
6533 rc = DBGFR3FlowTraceProbeEntriesAdd(hFlowTraceProbeExit, &Entry, 1 /*cEntries*/);
6534 if (RT_SUCCESS(rc))
6535 rc = DBGFR3FlowTraceModCreateFromFlowGraph(pUVM, VMCPUID_ANY, hCfg, NULL,
6536 hFlowTraceProbe, hFlowTraceProbe,
6537 hFlowTraceProbeExit, &hFlowTraceMod);
6538 if (RT_SUCCESS(rc))
6539 rc = dbgcFlowTraceModAdd(pDbgc, hFlowTraceMod, hCfg, &iTraceModId);
6540 if (RT_SUCCESS(rc))
6541 rc = DBGFR3FlowTraceModEnable(hFlowTraceMod, 0, 0);
6542 if (RT_SUCCESS(rc))
6543 DBGCCmdHlpPrintf(pCmdHlp, "Enabled execution flow tracing %u at %RGv\n",
6544 iTraceModId, CurAddr.FlatPtr);
6545
6546 if (hFlowTraceProbe)
6547 DBGFR3FlowTraceProbeRelease(hFlowTraceProbe);
6548 if (hFlowTraceProbeExit)
6549 DBGFR3FlowTraceProbeRelease(hFlowTraceProbeExit);
6550 }
6551 else
6552 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowCreate failed on '%Dv'", &pDbgc->DisasmPos);
6553
6554 NOREF(pCmd);
6555 return rc;
6556}
6557
6558
6559/**
6560 * Enumerates and prints all records contained in the given flow tarce module.
6561 *
6562 * @returns VBox status code.
6563 * @param pCmd The command.
6564 * @param pCmdHlp The command helpers.
6565 * @param hFlowTraceMod The flow trace module to print.
6566 * @param hFlow The control flow graph assoicated with the given module.
6567 * @param iFlowTraceMod The flow trace module identifier.
6568 */
6569static int dbgcCmdTraceFlowPrintOne(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, DBGFFLOWTRACEMOD hFlowTraceMod,
6570 DBGFFLOW hFlow, uint32_t iFlowTraceMod)
6571{
6572 RT_NOREF(hFlow);
6573
6574 DBGFFLOWTRACEREPORT hFlowTraceReport;
6575 int rc = DBGFR3FlowTraceModQueryReport(hFlowTraceMod, &hFlowTraceReport);
6576 if (RT_SUCCESS(rc))
6577 {
6578 uint32_t cRecords = DBGFR3FlowTraceReportGetRecordCount(hFlowTraceReport);
6579 DBGCCmdHlpPrintf(pCmdHlp, "Report for flow trace module %#x (%u records):\n",
6580 iFlowTraceMod, cRecords);
6581
6582 PDBGCFLOWBBDUMP paDumpBb = (PDBGCFLOWBBDUMP)RTMemTmpAllocZ(cRecords * sizeof(DBGCFLOWBBDUMP));
6583 if (RT_LIKELY(paDumpBb))
6584 {
6585 /* Query the basic block referenced for each record and calculate the size. */
6586 for (uint32_t i = 0; i < cRecords && RT_SUCCESS(rc); i++)
6587 {
6588 DBGFFLOWTRACERECORD hRec = NULL;
6589 rc = DBGFR3FlowTraceReportQueryRecord(hFlowTraceReport, i, &hRec);
6590 if (RT_SUCCESS(rc))
6591 {
6592 DBGFADDRESS Addr;
6593 DBGFR3FlowTraceRecordGetAddr(hRec, &Addr);
6594
6595 DBGFFLOWBB hFlowBb = NULL;
6596 rc = DBGFR3FlowQueryBbByAddress(hFlow, &Addr, &hFlowBb);
6597 if (RT_SUCCESS(rc))
6598 dbgcCmdUnassembleCfgDumpCalcBbSize(hFlowBb, &paDumpBb[i]);
6599
6600 DBGFR3FlowTraceRecordRelease(hRec);
6601 }
6602 }
6603
6604 if (RT_SUCCESS(rc))
6605 {
6606 /* Calculate the ASCII screen dimensions and create one. */
6607 uint32_t cchWidth = 0;
6608 uint32_t cchHeight = 0;
6609 for (unsigned i = 0; i < cRecords; i++)
6610 {
6611 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
6612 cchWidth = RT_MAX(cchWidth, pDumpBb->cchWidth);
6613 cchHeight += pDumpBb->cchHeight;
6614
6615 /* Incomplete blocks don't have a successor. */
6616 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
6617 continue;
6618
6619 cchHeight += 2; /* For the arrow down to the next basic block. */
6620 }
6621
6622
6623 DBGCSCREEN hScreen = NULL;
6624 rc = dbgcScreenAsciiCreate(&hScreen, cchWidth, cchHeight);
6625 if (RT_SUCCESS(rc))
6626 {
6627 uint32_t uY = 0;
6628
6629 /* Dump the basic blocks and connections to the immediate successor. */
6630 for (unsigned i = 0; i < cRecords; i++)
6631 {
6632 paDumpBb[i].uStartX = (cchWidth - paDumpBb[i].cchWidth) / 2;
6633 paDumpBb[i].uStartY = uY;
6634 dbgcCmdUnassembleCfgDumpBb(&paDumpBb[i], hScreen);
6635 uY += paDumpBb[i].cchHeight;
6636
6637 /* Incomplete blocks don't have a successor. */
6638 if (DBGFR3FlowBbGetFlags(paDumpBb[i].hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
6639 continue;
6640
6641 if (DBGFR3FlowBbGetType(paDumpBb[i].hFlowBb) != DBGFFLOWBBENDTYPE_EXIT)
6642 {
6643 /* Draw the arrow down to the next block. */
6644 dbgcScreenAsciiDrawCharacter(hScreen, cchWidth / 2, uY,
6645 '|', DBGCSCREENCOLOR_BLUE_BRIGHT);
6646 uY++;
6647 dbgcScreenAsciiDrawCharacter(hScreen, cchWidth / 2, uY,
6648 'V', DBGCSCREENCOLOR_BLUE_BRIGHT);
6649 uY++;
6650 }
6651 }
6652
6653 rc = dbgcScreenAsciiBlit(hScreen, dbgcCmdUnassembleCfgBlit, pCmdHlp, false /*fUseColor*/);
6654 dbgcScreenAsciiDestroy(hScreen);
6655 }
6656 else
6657 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to create virtual screen for flow trace module %#x", iFlowTraceMod);
6658 }
6659 else
6660 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to query all records of flow trace module %#x", iFlowTraceMod);
6661
6662 for (unsigned i = 0; i < cRecords; i++)
6663 {
6664 if (paDumpBb[i].hFlowBb)
6665 DBGFR3FlowBbRelease(paDumpBb[i].hFlowBb);
6666 }
6667
6668 RTMemTmpFree(paDumpBb);
6669 }
6670 else
6671 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to allocate memory for %u records", cRecords);
6672
6673 DBGFR3FlowTraceReportRelease(hFlowTraceReport);
6674 }
6675 else
6676 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to query report for flow trace module %#x", iFlowTraceMod);
6677
6678 return rc;
6679}
6680
6681
6682/**
6683 * @callback_method_impl{FNDBGCCMD, The 'tflowp' (print trace flow) command.}
6684 */
6685static DECLCALLBACK(int) dbgcCmdTraceFlowPrint(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6686{
6687 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
6688
6689 /*
6690 * Enumerate the arguments.
6691 */
6692 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6693 int rc = VINF_SUCCESS;
6694 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
6695 {
6696 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
6697 {
6698 /* one */
6699 uint32_t iFlowTraceMod = (uint32_t)paArgs[iArg].u.u64Number;
6700 if (iFlowTraceMod == paArgs[iArg].u.u64Number)
6701 {
6702 PDBGCTFLOW pFlowTrace = dbgcFlowTraceModGet(pDbgc, iFlowTraceMod);
6703 if (pFlowTrace)
6704 rc = dbgcCmdTraceFlowPrintOne(pCmdHlp, pCmd, pFlowTrace->hTraceFlowMod,
6705 pFlowTrace->hFlow, pFlowTrace->iTraceFlowMod);
6706 else
6707 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, VERR_NOT_FOUND, "Flow trace module %#x doesn't exist", iFlowTraceMod);
6708 }
6709 else
6710 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Flow trace mod id %RX64 is too large", paArgs[iArg].u.u64Number);
6711 }
6712 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
6713 {
6714 /* all */
6715 PDBGCTFLOW pIt;
6716 RTListForEach(&pDbgc->LstTraceFlowMods, pIt, DBGCTFLOW, NdTraceFlow)
6717 {
6718 rc = dbgcCmdTraceFlowPrintOne(pCmdHlp, pCmd, pIt->hTraceFlowMod,
6719 pIt->hFlow, pIt->iTraceFlowMod);
6720 if (RT_FAILURE(rc))
6721 break;
6722 }
6723 }
6724 else
6725 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
6726 }
6727 return rc;
6728}
6729
6730
6731/**
6732 * @callback_method_impl{FNDBGCCMD, The 'tflowr' (reset trace flow) command.}
6733 */
6734static DECLCALLBACK(int) dbgcCmdTraceFlowReset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
6735{
6736 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
6737
6738 /*
6739 * Enumerate the arguments.
6740 */
6741 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
6742 int rc = VINF_SUCCESS;
6743 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
6744 {
6745 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
6746 {
6747 /* one */
6748 uint32_t iFlowTraceMod = (uint32_t)paArgs[iArg].u.u64Number;
6749 if (iFlowTraceMod == paArgs[iArg].u.u64Number)
6750 {
6751 PDBGCTFLOW pFlowTrace = dbgcFlowTraceModGet(pDbgc, iFlowTraceMod);
6752 if (pFlowTrace)
6753 {
6754 rc = DBGFR3FlowTraceModClear(pFlowTrace->hTraceFlowMod);
6755 if (RT_FAILURE(rc))
6756 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowTraceModClear failed for flow trace module %#x", iFlowTraceMod);
6757 }
6758 else
6759 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, VERR_NOT_FOUND, "Flow trace module %#x doesn't exist", iFlowTraceMod);
6760 }
6761 else
6762 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Flow trace mod id %RX64 is too large", paArgs[iArg].u.u64Number);
6763 }
6764 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
6765 {
6766 /* all */
6767 PDBGCTFLOW pIt;
6768 RTListForEach(&pDbgc->LstTraceFlowMods, pIt, DBGCTFLOW, NdTraceFlow)
6769 {
6770 rc = DBGFR3FlowTraceModClear(pIt->hTraceFlowMod);
6771 if (RT_FAILURE(rc))
6772 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowTraceModClear failed for flow trace module %#x", pIt->iTraceFlowMod);
6773 }
6774 }
6775 else
6776 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
6777 }
6778 return rc;
6779}
6780
6781
6782
6783/**
6784 * @callback_method_impl{FNDBGCFUNC, Reads a unsigned 8-bit value.}
6785 */
6786static DECLCALLBACK(int) dbgcFuncReadU8(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6787 PDBGCVAR pResult)
6788{
6789 RT_NOREF1(pUVM);
6790 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6791 AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6792 AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6793
6794 uint8_t b;
6795 int rc = DBGCCmdHlpMemRead(pCmdHlp, &b, sizeof(b), &paArgs[0], NULL);
6796 if (RT_FAILURE(rc))
6797 return rc;
6798 DBGCVAR_INIT_NUMBER(pResult, b);
6799
6800 NOREF(pFunc);
6801 return VINF_SUCCESS;
6802}
6803
6804
6805/**
6806 * @callback_method_impl{FNDBGCFUNC, Reads a unsigned 16-bit value.}
6807 */
6808static DECLCALLBACK(int) dbgcFuncReadU16(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6809 PDBGCVAR pResult)
6810{
6811 RT_NOREF1(pUVM);
6812 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6813 AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6814 AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6815
6816 uint16_t u16;
6817 int rc = DBGCCmdHlpMemRead(pCmdHlp, &u16, sizeof(u16), &paArgs[0], NULL);
6818 if (RT_FAILURE(rc))
6819 return rc;
6820 DBGCVAR_INIT_NUMBER(pResult, u16);
6821
6822 NOREF(pFunc);
6823 return VINF_SUCCESS;
6824}
6825
6826
6827/**
6828 * @callback_method_impl{FNDBGCFUNC, Reads a unsigned 32-bit value.}
6829 */
6830static DECLCALLBACK(int) dbgcFuncReadU32(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6831 PDBGCVAR pResult)
6832{
6833 RT_NOREF1(pUVM);
6834 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6835 AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6836 AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6837
6838 uint32_t u32;
6839 int rc = DBGCCmdHlpMemRead(pCmdHlp, &u32, sizeof(u32), &paArgs[0], NULL);
6840 if (RT_FAILURE(rc))
6841 return rc;
6842 DBGCVAR_INIT_NUMBER(pResult, u32);
6843
6844 NOREF(pFunc);
6845 return VINF_SUCCESS;
6846}
6847
6848
6849/**
6850 * @callback_method_impl{FNDBGCFUNC, Reads a unsigned 64-bit value.}
6851 */
6852static DECLCALLBACK(int) dbgcFuncReadU64(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6853 PDBGCVAR pResult)
6854{
6855 RT_NOREF1(pUVM);
6856 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6857 AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6858 AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6859
6860 uint64_t u64;
6861 int rc = DBGCCmdHlpMemRead(pCmdHlp, &u64, sizeof(u64), &paArgs[0], NULL);
6862 if (RT_FAILURE(rc))
6863 return rc;
6864 DBGCVAR_INIT_NUMBER(pResult, u64);
6865
6866 NOREF(pFunc);
6867 return VINF_SUCCESS;
6868}
6869
6870
6871/**
6872 * @callback_method_impl{FNDBGCFUNC, Reads a unsigned pointer-sized value.}
6873 */
6874static DECLCALLBACK(int) dbgcFuncReadPtr(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6875 PDBGCVAR pResult)
6876{
6877 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6878 AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6879 AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6880
6881 CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp);
6882 if (enmMode == CPUMMODE_LONG)
6883 return dbgcFuncReadU64(pFunc, pCmdHlp, pUVM, paArgs, cArgs, pResult);
6884 return dbgcFuncReadU32(pFunc, pCmdHlp, pUVM, paArgs, cArgs, pResult);
6885}
6886
6887
6888/**
6889 * @callback_method_impl{FNDBGCFUNC, The hi(value) function implementation.}
6890 */
6891static DECLCALLBACK(int) dbgcFuncHi(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6892 PDBGCVAR pResult)
6893{
6894 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6895
6896 uint16_t uHi;
6897 switch (paArgs[0].enmType)
6898 {
6899 case DBGCVAR_TYPE_GC_FLAT: uHi = (uint16_t)(paArgs[0].u.GCFlat >> 16); break;
6900 case DBGCVAR_TYPE_GC_FAR: uHi = (uint16_t)paArgs[0].u.GCFar.sel; break;
6901 case DBGCVAR_TYPE_GC_PHYS: uHi = (uint16_t)(paArgs[0].u.GCPhys >> 16); break;
6902 case DBGCVAR_TYPE_HC_FLAT: uHi = (uint16_t)((uintptr_t)paArgs[0].u.pvHCFlat >> 16); break;
6903 case DBGCVAR_TYPE_HC_PHYS: uHi = (uint16_t)(paArgs[0].u.HCPhys >> 16); break;
6904 case DBGCVAR_TYPE_NUMBER: uHi = (uint16_t)(paArgs[0].u.u64Number >> 16); break;
6905 default:
6906 AssertFailedReturn(VERR_DBGC_PARSE_BUG);
6907 }
6908 DBGCVAR_INIT_NUMBER(pResult, uHi);
6909 DBGCVAR_SET_RANGE(pResult, paArgs[0].enmRangeType, paArgs[0].u64Range);
6910
6911 NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
6912 return VINF_SUCCESS;
6913}
6914
6915
6916/**
6917 * @callback_method_impl{FNDBGCFUNC, The low(value) function implementation.}
6918 */
6919static DECLCALLBACK(int) dbgcFuncLow(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6920 PDBGCVAR pResult)
6921{
6922 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6923
6924 uint16_t uLow;
6925 switch (paArgs[0].enmType)
6926 {
6927 case DBGCVAR_TYPE_GC_FLAT: uLow = (uint16_t)paArgs[0].u.GCFlat; break;
6928 case DBGCVAR_TYPE_GC_FAR: uLow = (uint16_t)paArgs[0].u.GCFar.off; break;
6929 case DBGCVAR_TYPE_GC_PHYS: uLow = (uint16_t)paArgs[0].u.GCPhys; break;
6930 case DBGCVAR_TYPE_HC_FLAT: uLow = (uint16_t)(uintptr_t)paArgs[0].u.pvHCFlat; break;
6931 case DBGCVAR_TYPE_HC_PHYS: uLow = (uint16_t)paArgs[0].u.HCPhys; break;
6932 case DBGCVAR_TYPE_NUMBER: uLow = (uint16_t)paArgs[0].u.u64Number; break;
6933 default:
6934 AssertFailedReturn(VERR_DBGC_PARSE_BUG);
6935 }
6936 DBGCVAR_INIT_NUMBER(pResult, uLow);
6937 DBGCVAR_SET_RANGE(pResult, paArgs[0].enmRangeType, paArgs[0].u64Range);
6938
6939 NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
6940 return VINF_SUCCESS;
6941}
6942
6943
6944/**
6945 * @callback_method_impl{FNDBGCFUNC,The low(value) function implementation.}
6946 */
6947static DECLCALLBACK(int) dbgcFuncNot(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6948 PDBGCVAR pResult)
6949{
6950 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6951 NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
6952 return DBGCCmdHlpEval(pCmdHlp, pResult, "!(%Dv)", &paArgs[0]);
6953}
6954
6955
6956/** Generic pointer argument wo/ range. */
6957static const DBGCVARDESC g_aArgPointerWoRange[] =
6958{
6959 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
6960 { 1, 1, DBGCVAR_CAT_POINTER_NO_RANGE, 0, "value", "Address or number." },
6961};
6962
6963/** Generic pointer or number argument. */
6964static const DBGCVARDESC g_aArgPointerNumber[] =
6965{
6966 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
6967 { 1, 1, DBGCVAR_CAT_POINTER_NUMBER, 0, "value", "Address or number." },
6968};
6969
6970
6971
6972/** Function descriptors for the CodeView / WinDbg emulation.
6973 * The emulation isn't attempting to be identical, only somewhat similar.
6974 */
6975const DBGCFUNC g_aFuncsCodeView[] =
6976{
6977 { "by", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU8, "address", "Reads a byte at the given address." },
6978 { "dwo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU32, "address", "Reads a 32-bit value at the given address." },
6979 { "hi", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncHi, "value", "Returns the high 16-bit bits of a value." },
6980 { "low", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncLow, "value", "Returns the low 16-bit bits of a value." },
6981 { "not", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncNot, "address", "Boolean NOT." },
6982 { "poi", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadPtr, "address", "Reads a pointer sized (CS) value at the given address." },
6983 { "qwo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU64, "address", "Reads a 32-bit value at the given address." },
6984 { "wo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU16, "address", "Reads a 16-bit value at the given address." },
6985};
6986
6987/** The number of functions in the CodeView/WinDbg emulation. */
6988const uint32_t g_cFuncsCodeView = RT_ELEMENTS(g_aFuncsCodeView);
6989
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