VirtualBox

source: vbox/trunk/src/VBox/Debugger/DBGCEmulateCodeView.cpp@ 87788

Last change on this file since 87788 was 87788, checked in by vboxsync, 4 years ago

Debugger: Some early access to the DBGFR3FlowTrace* API for toying around, bugref:8650
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1/* $Id: DBGCEmulateCodeView.cpp 87788 2021-02-18 15:12:31Z vboxsync $ */
2/** @file
3 * DBGC - Debugger Console, CodeView / WinDbg Emulation.
4 */
5
6/*
7 * Copyright (C) 2006-2020 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18
19/*********************************************************************************************************************************
20* Header Files *
21*********************************************************************************************************************************/
22#define LOG_GROUP LOG_GROUP_DBGC
23#include <VBox/dbg.h>
24#include <VBox/vmm/dbgf.h>
25#include <VBox/vmm/dbgfflowtrace.h>
26#include <VBox/vmm/pgm.h>
27#include <VBox/vmm/cpum.h>
28#include <VBox/dis.h>
29#include <VBox/param.h>
30#include <VBox/err.h>
31#include <VBox/log.h>
32
33#include <iprt/asm.h>
34#include <iprt/mem.h>
35#include <iprt/string.h>
36#include <iprt/assert.h>
37#include <iprt/ctype.h>
38#include <iprt/time.h>
39
40#include <stdlib.h>
41#include <stdio.h>
42
43#include "DBGCInternal.h"
44
45
46/*********************************************************************************************************************************
47* Internal Functions *
48*********************************************************************************************************************************/
49static FNDBGCCMD dbgcCmdBrkAccess;
50static FNDBGCCMD dbgcCmdBrkClear;
51static FNDBGCCMD dbgcCmdBrkDisable;
52static FNDBGCCMD dbgcCmdBrkEnable;
53static FNDBGCCMD dbgcCmdBrkList;
54static FNDBGCCMD dbgcCmdBrkSet;
55static FNDBGCCMD dbgcCmdBrkREM;
56static FNDBGCCMD dbgcCmdDumpMem;
57static FNDBGCCMD dbgcCmdDumpDT;
58static FNDBGCCMD dbgcCmdDumpIDT;
59static FNDBGCCMD dbgcCmdDumpPageDir;
60static FNDBGCCMD dbgcCmdDumpPageDirBoth;
61static FNDBGCCMD dbgcCmdDumpPageHierarchy;
62static FNDBGCCMD dbgcCmdDumpPageTable;
63static FNDBGCCMD dbgcCmdDumpPageTableBoth;
64static FNDBGCCMD dbgcCmdDumpTSS;
65static FNDBGCCMD dbgcCmdDumpTypeInfo;
66static FNDBGCCMD dbgcCmdDumpTypedVal;
67static FNDBGCCMD dbgcCmdEditMem;
68static FNDBGCCMD dbgcCmdGo;
69static FNDBGCCMD dbgcCmdGoUp;
70static FNDBGCCMD dbgcCmdListModules;
71static FNDBGCCMD dbgcCmdListNear;
72static FNDBGCCMD dbgcCmdListSource;
73static FNDBGCCMD dbgcCmdListSymbols;
74static FNDBGCCMD dbgcCmdMemoryInfo;
75static FNDBGCCMD dbgcCmdReg;
76static FNDBGCCMD dbgcCmdRegGuest;
77static FNDBGCCMD dbgcCmdRegTerse;
78static FNDBGCCMD dbgcCmdSearchMem;
79static FNDBGCCMD dbgcCmdSearchMemType;
80static FNDBGCCMD dbgcCmdStepTrace;
81static FNDBGCCMD dbgcCmdStepTraceTo;
82static FNDBGCCMD dbgcCmdStepTraceToggle;
83static FNDBGCCMD dbgcCmdEventCtrl;
84static FNDBGCCMD dbgcCmdEventCtrlList;
85static FNDBGCCMD dbgcCmdEventCtrlReset;
86static FNDBGCCMD dbgcCmdStack;
87static FNDBGCCMD dbgcCmdUnassemble;
88static FNDBGCCMD dbgcCmdUnassembleCfg;
89static FNDBGCCMD dbgcCmdTraceFlowClear;
90static FNDBGCCMD dbgcCmdTraceFlowDisable;
91static FNDBGCCMD dbgcCmdTraceFlowEnable;
92static FNDBGCCMD dbgcCmdTraceFlowPrint;
93static FNDBGCCMD dbgcCmdTraceFlowReset;
94
95
96/*********************************************************************************************************************************
97* Global Variables *
98*********************************************************************************************************************************/
99/** 'ba' arguments. */
100static const DBGCVARDESC g_aArgBrkAcc[] =
101{
102 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
103 { 1, 1, DBGCVAR_CAT_STRING, 0, "access", "The access type: x=execute, rw=read/write (alias r), w=write, i=not implemented." },
104 { 1, 1, DBGCVAR_CAT_NUMBER, 0, "size", "The access size: 1, 2, 4, or 8. 'x' access requires 1, and 8 requires amd64 long mode." },
105 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
106 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
107 { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "max passes", "The number of passes after which we stop triggering the breakpoint. (~0 is default)" },
108 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
109};
110
111
112/** 'bc', 'bd', 'be' arguments. */
113static const DBGCVARDESC g_aArgBrks[] =
114{
115 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
116 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#bp", "Breakpoint number." },
117 { 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All breakpoints." },
118};
119
120
121/** 'bp' arguments. */
122static const DBGCVARDESC g_aArgBrkSet[] =
123{
124 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
125 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
126 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
127 { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "max passes", "The number of passes after which we stop triggering the breakpoint. (~0 is default)" },
128 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
129};
130
131
132/** 'br' arguments. */
133static const DBGCVARDESC g_aArgBrkREM[] =
134{
135 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
136 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
137 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
138 { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "max passes", "The number of passes after which we stop triggering the breakpoint. (~0 is default)" },
139 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
140};
141
142
143/** 'd?' arguments. */
144static const DBGCVARDESC g_aArgDumpMem[] =
145{
146 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
147 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start dumping memory." },
148};
149
150
151/** 'dg', 'dga', 'dl', 'dla' arguments. */
152static const DBGCVARDESC g_aArgDumpDT[] =
153{
154 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
155 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "sel", "Selector or selector range." },
156 { 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Far address which selector should be dumped." },
157};
158
159
160/** 'di', 'dia' arguments. */
161static const DBGCVARDESC g_aArgDumpIDT[] =
162{
163 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
164 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "int", "The interrupt vector or interrupt vector range." },
165};
166
167
168/** 'dpd*' arguments. */
169static const DBGCVARDESC g_aArgDumpPD[] =
170{
171 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
172 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "index", "Index into the page directory." },
173 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from. Range is applied to the page directory." },
174};
175
176
177/** 'dpda' arguments. */
178static const DBGCVARDESC g_aArgDumpPDAddr[] =
179{
180 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
181 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page directory entry to start dumping from." },
182};
183
184
185/** 'dph*' arguments. */
186static const DBGCVARDESC g_aArgDumpPH[] =
187{
188 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
189 { 0, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "Where in the address space to start dumping and for how long (range). The default address/range will be used if omitted." },
190 { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "cr3", "The CR3 value to use. The current CR3 of the context will be used if omitted." },
191 { 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "mode", "The paging mode: legacy, pse, pae, long, ept. Append '-np' for nested paging and '-nx' for no-execute. The current mode will be used if omitted." },
192};
193
194
195/** 'dpt?' arguments. */
196static const DBGCVARDESC g_aArgDumpPT[] =
197{
198 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
199 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from." },
200};
201
202
203/** 'dpta' arguments. */
204static const DBGCVARDESC g_aArgDumpPTAddr[] =
205{
206 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
207 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page table entry to start dumping from." },
208};
209
210
211/** 'dt' arguments. */
212static const DBGCVARDESC g_aArgDumpTSS[] =
213{
214 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
215 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "tss", "TSS selector number." },
216 { 0, 1, DBGCVAR_CAT_POINTER, 0, "tss:ign|addr", "TSS address. If the selector is a TSS selector, the offset will be ignored." }
217};
218
219
220/** 'dti' arguments. */
221static const DBGCVARDESC g_aArgDumpTypeInfo[] =
222{
223 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
224 { 1, 1, DBGCVAR_CAT_STRING, 0, "type", "The type to dump" },
225 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "levels", "How many levels to dump the type information" }
226};
227
228
229/** 'dtv' arguments. */
230static const DBGCVARDESC g_aArgDumpTypedVal[] =
231{
232 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
233 { 1, 1, DBGCVAR_CAT_STRING, 0, "type", "The type to use" },
234 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address to start dumping from." },
235 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "levels", "How many levels to dump" }
236};
237
238
239/** 'e?' arguments. */
240static const DBGCVARDESC g_aArgEditMem[] =
241{
242 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
243 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to write." },
244 { 1, ~0U, DBGCVAR_CAT_NUMBER, 0, "value", "Value to write." },
245};
246
247
248/** 'g' arguments. */
249static const DBGCVARDESC g_aArgGo[] =
250{
251 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
252 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "idCpu", "CPU ID." },
253};
254
255
256/** 'lm' arguments. */
257static const DBGCVARDESC g_aArgListMods[] =
258{
259 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
260 { 0, ~0U, DBGCVAR_CAT_STRING, 0, "module", "Module name." },
261};
262
263
264/** 'ln' arguments. */
265static const DBGCVARDESC g_aArgListNear[] =
266{
267 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
268 { 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Address of the symbol to look up." },
269 { 0, ~0U, DBGCVAR_CAT_SYMBOL, 0, "symbol", "Symbol to lookup." },
270};
271
272
273/** 'ls' arguments. */
274static const DBGCVARDESC g_aArgListSource[] =
275{
276 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
277 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start looking for source lines." },
278};
279
280
281/** 'm' argument. */
282static const DBGCVARDESC g_aArgMemoryInfo[] =
283{
284 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
285 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Pointer to obtain info about." },
286};
287
288
289/** 'p', 'pc', 'pt', 't', 'tc' and 'tt' arguments. */
290static const DBGCVARDESC g_aArgStepTrace[] =
291{
292 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
293 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "count", "Number of instructions or source lines to step." },
294 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed afterwards. Quote it!" },
295};
296
297
298/** 'pa' and 'ta' arguments. */
299static const DBGCVARDESC g_aArgStepTraceTo[] =
300{
301 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
302 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Where to stop" },
303 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed afterwards. Quote it!" },
304};
305
306
307/** 'r' arguments. */
308static const DBGCVARDESC g_aArgReg[] =
309{
310 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
311 { 0, 1, DBGCVAR_CAT_SYMBOL, 0, "register", "Register to show or set." },
312 { 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "=", "Equal sign." },
313 { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "value", "New register value." },
314};
315
316
317/** 's' arguments. */
318static const DBGCVARDESC g_aArgSearchMem[] =
319{
320 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
321 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-b", "Byte string." },
322 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-w", "Word string." },
323 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-d", "DWord string." },
324 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-q", "QWord string." },
325 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-a", "ASCII string." },
326 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-u", "Unicode string." },
327 { 0, 1, DBGCVAR_CAT_OPTION_NUMBER, 0, "-n <Hits>", "Maximum number of hits." },
328 { 0, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
329 { 0, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
330};
331
332
333/** 's?' arguments. */
334static const DBGCVARDESC g_aArgSearchMemType[] =
335{
336 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
337 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
338 { 1, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
339};
340
341
342/** 'sxe', 'sxn', 'sxi', 'sx-' arguments. */
343static const DBGCVARDESC g_aArgEventCtrl[] =
344{
345 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
346 { 0, 1, DBGCVAR_CAT_STRING, 0, "-c", "The -c option, requires <cmds>." },
347 { 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "cmds", "Command to execute on this event." },
348 { 0 /*weird*/, ~0U, DBGCVAR_CAT_STRING, 0, "event", "One or more events, 'all' refering to all events." },
349};
350
351/** 'sx' and 'sr' arguments. */
352static const DBGCVARDESC g_aArgEventCtrlOpt[] =
353{
354 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
355 { 0, ~0U, DBGCVAR_CAT_STRING, 0, "event", "Zero or more events, 'all' refering to all events and being the default." },
356};
357
358/** 'u' arguments. */
359static const DBGCVARDESC g_aArgUnassemble[] =
360{
361 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
362 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." },
363};
364
365/** 'ucfg' arguments. */
366static const DBGCVARDESC g_aArgUnassembleCfg[] =
367{
368 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
369 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." },
370};
371
372/** 'x' arguments. */
373static const DBGCVARDESC g_aArgListSyms[] =
374{
375 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
376 { 1, 1, DBGCVAR_CAT_STRING, 0, "symbols", "The symbols to list, format is Module!Symbol with wildcards being supoprted." }
377};
378
379/** 'tflowc' arguments. */
380static const DBGCVARDESC g_aArgTraceFlowClear[] =
381{
382 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
383 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#tf", "Trace flow module number." },
384 { 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All trace flow modules." },
385};
386
387/** 'tflowd' arguments. */
388static const DBGCVARDESC g_aArgTraceFlowDisable[] =
389{
390 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
391 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#tf", "Trace flow module number." },
392 { 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All trace flow modules." },
393};
394
395/** 'tflowe' arguments. */
396static const DBGCVARDESC g_aArgTraceFlowEnable[] =
397{
398 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
399 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start tracing." },
400 { 0, 1, DBGCVAR_CAT_OPTION_NUMBER, 0, "<Hits>", "Maximum number of hits before the module is disabled." }
401};
402
403/** 'tflowp', 'tflowr' arguments. */
404static const DBGCVARDESC g_aArgTraceFlowPrintReset[] =
405{
406 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
407 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#tf", "Trace flow module number." },
408 { 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All trace flow modules." },
409};
410
411/** Command descriptors for the CodeView / WinDbg emulation.
412 * The emulation isn't attempting to be identical, only somewhat similar.
413 */
414const DBGCCMD g_aCmdsCodeView[] =
415{
416 /* pszCmd, cArgsMin, cArgsMax, paArgDescs, cArgDescs, fFlags, pfnHandler pszSyntax, ....pszDescription */
417 { "ba", 3, 6, &g_aArgBrkAcc[0], RT_ELEMENTS(g_aArgBrkAcc), 0, dbgcCmdBrkAccess, "<access> <size> <address> [passes [max passes]] [cmds]",
418 "Sets a data access breakpoint." },
419 { "bc", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkClear, "all | <bp#> [bp# []]", "Deletes a set of breakpoints." },
420 { "bd", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkDisable, "all | <bp#> [bp# []]", "Disables a set of breakpoints." },
421 { "be", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkEnable, "all | <bp#> [bp# []]", "Enables a set of breakpoints." },
422 { "bl", 0, 0, NULL, 0, 0, dbgcCmdBrkList, "", "Lists all the breakpoints." },
423 { "bp", 1, 4, &g_aArgBrkSet[0], RT_ELEMENTS(g_aArgBrkSet), 0, dbgcCmdBrkSet, "<address> [passes [max passes]] [cmds]",
424 "Sets a breakpoint (int 3)." },
425 { "br", 1, 4, &g_aArgBrkREM[0], RT_ELEMENTS(g_aArgBrkREM), 0, dbgcCmdBrkREM, "<address> [passes [max passes]] [cmds]",
426 "Sets a recompiler specific breakpoint." },
427 { "d", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory using last element size and type." },
428 { "dF", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as far 16:16." },
429 { "dFs", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as far 16:16 with near symbols." },
430 { "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
431 { "db", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in bytes." },
432 { "dd", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in double words." },
433 { "dds", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as double words with near symbols." },
434 { "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
435 { "dg", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT)." },
436 { "dga", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT) including not-present entries." },
437 { "di", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT)." },
438 { "dia", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT) including not-present entries." },
439 { "dl", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT)." },
440 { "dla", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT) including not-present entries." },
441 { "dpd", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the default context." },
442 { "dpda", 0, 1, &g_aArgDumpPDAddr[0],RT_ELEMENTS(g_aArgDumpPDAddr), 0, dbgcCmdDumpPageDir, "[addr]", "Dumps memory at given address as a page directory." },
443 { "dpdb", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDirBoth, "[addr|index]", "Dumps page directory entries of the guest and the hypervisor. " },
444 { "dpdg", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the guest." },
445 { "dpdh", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the hypervisor. " },
446 { "dph", 0, 3, &g_aArgDumpPH[0], RT_ELEMENTS(g_aArgDumpPH), 0, dbgcCmdDumpPageHierarchy, "[addr [cr3 [mode]]", "Dumps the paging hierarchy at for specfied address range. Default context." },
447 { "dphg", 0, 3, &g_aArgDumpPH[0], RT_ELEMENTS(g_aArgDumpPH), 0, dbgcCmdDumpPageHierarchy, "[addr [cr3 [mode]]", "Dumps the paging hierarchy at for specfied address range. Guest context." },
448 { "dphh", 0, 3, &g_aArgDumpPH[0], RT_ELEMENTS(g_aArgDumpPH), 0, dbgcCmdDumpPageHierarchy, "[addr [cr3 [mode]]", "Dumps the paging hierarchy at for specfied address range. Hypervisor context." },
449 { "dp", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in mode sized words." },
450 { "dps", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in mode sized words with near symbols." },
451 { "dpt", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the default context." },
452 { "dpta", 1, 1, &g_aArgDumpPTAddr[0],RT_ELEMENTS(g_aArgDumpPTAddr), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps memory at given address as a page table." },
453 { "dptb", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTableBoth,"<addr>", "Dumps page table entries of the guest and the hypervisor." },
454 { "dptg", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the guest." },
455 { "dpth", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the hypervisor." },
456 { "dq", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in quad words." },
457 { "dqs", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as quad words with near symbols." },
458 { "dt", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the task state segment (TSS)." },
459 { "dt16", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 16-bit task state segment (TSS)." },
460 { "dt32", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 32-bit task state segment (TSS)." },
461 { "dt64", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 64-bit task state segment (TSS)." },
462 { "dti", 1, 2, &g_aArgDumpTypeInfo[0],RT_ELEMENTS(g_aArgDumpTypeInfo), 0, dbgcCmdDumpTypeInfo,"<type> [levels]", "Dump type information." },
463 { "dtv", 2, 3, &g_aArgDumpTypedVal[0],RT_ELEMENTS(g_aArgDumpTypedVal), 0, dbgcCmdDumpTypedVal,"<type> <addr> [levels]", "Dump a memory buffer using the information in the given type." },
464 { "du", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as unicode string (little endian)." },
465 { "dw", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in words." },
466 /** @todo add 'e', 'ea str', 'eza str', 'eu str' and 'ezu str'. See also
467 * dbgcCmdSearchMem and its dbgcVarsToBytes usage. */
468 { "eb", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 1-byte value to memory." },
469 { "ew", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 2-byte value to memory." },
470 { "ed", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 4-byte value to memory." },
471 { "eq", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 8-byte value to memory." },
472 { "g", 0, 1, &g_aArgGo[0], RT_ELEMENTS(g_aArgGo), 0, dbgcCmdGo, "[idCpu]", "Continue execution of all or the specified CPU. (The latter is not recommended unless you know exactly what you're doing.)" },
473 { "gu", 0, 0, NULL, 0, 0, dbgcCmdGoUp, "", "Go up - continue execution till after return." },
474 { "k", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack." },
475 { "kv", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Verbose callstack." },
476 { "kg", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - guest." },
477 { "kgv", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Verbose callstack - guest." },
478 { "kh", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - hypervisor." },
479 { "lm", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules." },
480 { "lmv", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules, verbose." },
481 { "lmo", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments." },
482 { "lmov", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments, verbose." },
483 { "ln", 0, ~0U, &g_aArgListNear[0], RT_ELEMENTS(g_aArgListNear), 0, dbgcCmdListNear, "[addr/sym [..]]", "List symbols near to the address. Default address is CS:EIP." },
484 { "ls", 0, 1, &g_aArgListSource[0],RT_ELEMENTS(g_aArgListSource), 0, dbgcCmdListSource, "[addr]", "Source." },
485 { "m", 1, 1, &g_aArgMemoryInfo[0],RT_ELEMENTS(g_aArgMemoryInfo), 0, dbgcCmdMemoryInfo, "<addr>", "Display information about that piece of memory." },
486 { "p", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step over." },
487 { "pr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." },
488 { "pa", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Step to the given address." },
489 { "pc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step to the next call instruction." },
490 { "pt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step to the next return instruction." },
491 { "r", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdReg, "[reg [[=] newval]]", "Show or set register(s) - active reg set." },
492 { "rg", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegGuest, "[reg [[=] newval]]", "Show or set register(s) - guest reg set." },
493 { "rg32", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 32-bit guest registers." },
494 { "rg64", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 64-bit guest registers." },
495 { "rt", 0, 0, NULL, 0, 0, dbgcCmdRegTerse, "", "Toggles terse / verbose register info." },
496 { "s", 0, ~0U, &g_aArgSearchMem[0], RT_ELEMENTS(g_aArgSearchMem), 0, dbgcCmdSearchMem, "[options] <range> <pattern>", "Continue last search." },
497 { "sa", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an ascii string." },
498 { "sb", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more bytes." },
499 { "sd", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more double words." },
500 { "sq", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more quad words." },
501 { "su", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an unicode string." },
502 { "sw", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more words." },
503 { "sx", 0, ~0U, &g_aArgEventCtrlOpt[0], RT_ELEMENTS(g_aArgEventCtrlOpt), 0, dbgcCmdEventCtrlList, "[<event> [..]]", "Lists settings for exceptions, exits and other events. All if no filter is specified." },
504 { "sx-", 3, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "-c <cmd> <event> [..]", "Modifies the command for one or more exceptions, exits or other event. 'all' addresses all." },
505 { "sxe", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Enable: Break into the debugger on the specified exceptions, exits and other events. 'all' addresses all." },
506 { "sxn", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Notify: Display info in the debugger and continue on the specified exceptions, exits and other events. 'all' addresses all." },
507 { "sxi", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Ignore: Ignore the specified exceptions, exits and other events ('all' = all of them). Without the -c option, the guest runs like normal." },
508 { "sxr", 0, 0, &g_aArgEventCtrlOpt[0], RT_ELEMENTS(g_aArgEventCtrlOpt), 0, dbgcCmdEventCtrlReset, "", "Reset the settings to default for exceptions, exits and other events. All if no filter is specified." },
509 { "t", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace ." },
510 { "tflowc", 1, ~0U, &g_aArgTraceFlowClear[0], RT_ELEMENTS(g_aArgTraceFlowClear), 0, dbgcCmdTraceFlowClear, "all | <tf#> [tf# []]", "Clears trace execution flow for the given method." },
511 { "tflowd", 0, 1, &g_aArgTraceFlowDisable[0], RT_ELEMENTS(g_aArgTraceFlowDisable), 0, dbgcCmdTraceFlowDisable, "all | <tf#> [tf# []]", "Disables trace execution flow for the given method." },
512 { "tflowe", 0, 2, &g_aArgTraceFlowEnable[0], RT_ELEMENTS(g_aArgTraceFlowEnable), 0, dbgcCmdTraceFlowEnable, "<addr> <hits>", "Enable trace execution flow of the given method." },
513 { "tflowp", 0, 1, &g_aArgTraceFlowPrintReset[0], RT_ELEMENTS(g_aArgTraceFlowPrintReset), 0, dbgcCmdTraceFlowPrint, "all | <tf#> [tf# []]", "Prints the collected trace data of the given method." },
514 { "tflowr", 0, 1, &g_aArgTraceFlowPrintReset[0], RT_ELEMENTS(g_aArgTraceFlowPrintReset), 0, dbgcCmdTraceFlowReset, "all | <tf#> [tf# []]", "Resets the collected trace data of the given trace flow module." },
515 { "tr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." },
516 { "ta", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Trace to the given address." },
517 { "tc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next call instruction." },
518 { "tt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next return instruction." },
519 { "u", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble." },
520 { "u64", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 64-bit code." },
521 { "u32", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 32-bit code." },
522 { "u16", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code." },
523 { "uv86", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code with v8086/real mode addressing." },
524 { "ucfg", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph." },
525 { "ucfgc", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph with colors." },
526 { "x", 1, 1, &g_aArgListSyms[0], RT_ELEMENTS(g_aArgListSyms), 0, dbgcCmdListSymbols, "* | <Module!Symbol>", "Examine symbols." },
527};
528
529/** The number of commands in the CodeView/WinDbg emulation. */
530const uint32_t g_cCmdsCodeView = RT_ELEMENTS(g_aCmdsCodeView);
531
532
533/**
534 * Selectable debug event descriptors.
535 *
536 * @remarks Sorted by DBGCSXEVT::enmType value.
537 */
538const DBGCSXEVT g_aDbgcSxEvents[] =
539{
540 { DBGFEVENT_INTERRUPT_HARDWARE, "hwint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Hardware interrupt" },
541 { DBGFEVENT_INTERRUPT_SOFTWARE, "swint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Software interrupt" },
542 { DBGFEVENT_TRIPLE_FAULT, "triplefault", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Enabled, 0, "Triple fault "},
543 { DBGFEVENT_XCPT_DE, "xcpt_de", "de", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DE (integer divide error)" },
544 { DBGFEVENT_XCPT_DB, "xcpt_db", "db", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DB (debug)" },
545 { DBGFEVENT_XCPT_02, "xcpt_02", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
546 { DBGFEVENT_XCPT_BP, "xcpt_bp", "bp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BP (breakpoint)" },
547 { DBGFEVENT_XCPT_OF, "xcpt_of", "of", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#OF (overflow (INTO))" },
548 { DBGFEVENT_XCPT_BR, "xcpt_br", "br", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BR (bound range exceeded)" },
549 { DBGFEVENT_XCPT_UD, "xcpt_ud", "ud", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#UD (undefined opcode)" },
550 { DBGFEVENT_XCPT_NM, "xcpt_nm", "nm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#NM (FPU not available)" },
551 { DBGFEVENT_XCPT_DF, "xcpt_df", "df", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DF (double fault)" },
552 { DBGFEVENT_XCPT_09, "xcpt_09", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "Coprocessor segment overrun" },
553 { DBGFEVENT_XCPT_TS, "xcpt_ts", "ts", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#TS (task switch)" },
554 { DBGFEVENT_XCPT_NP, "xcpt_np", "np", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#NP (segment not present)" },
555 { DBGFEVENT_XCPT_SS, "xcpt_ss", "ss", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SS (stack segment fault)" },
556 { DBGFEVENT_XCPT_GP, "xcpt_gp", "gp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#GP (general protection fault)" },
557 { DBGFEVENT_XCPT_PF, "xcpt_pf", "pf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#PF (page fault)" },
558 { DBGFEVENT_XCPT_0f, "xcpt_0f", "xcpt0f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
559 { DBGFEVENT_XCPT_MF, "xcpt_mf", "mf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MF (math fault)" },
560 { DBGFEVENT_XCPT_AC, "xcpt_ac", "ac", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#AC (alignment check)" },
561 { DBGFEVENT_XCPT_MC, "xcpt_mc", "mc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MC (machine check)" },
562 { DBGFEVENT_XCPT_XF, "xcpt_xf", "xf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#XF (SIMD floating-point exception)" },
563 { DBGFEVENT_XCPT_VE, "xcpt_vd", "ve", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#VE (virtualization exception)" },
564 { DBGFEVENT_XCPT_15, "xcpt_15", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
565 { DBGFEVENT_XCPT_16, "xcpt_16", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
566 { DBGFEVENT_XCPT_17, "xcpt_17", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
567 { DBGFEVENT_XCPT_18, "xcpt_18", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
568 { DBGFEVENT_XCPT_19, "xcpt_19", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
569 { DBGFEVENT_XCPT_1a, "xcpt_1a", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
570 { DBGFEVENT_XCPT_1b, "xcpt_1b", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
571 { DBGFEVENT_XCPT_1c, "xcpt_1c", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
572 { DBGFEVENT_XCPT_1d, "xcpt_1d", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
573 { DBGFEVENT_XCPT_SX, "xcpt_sx", "sx", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SX (security exception)" },
574 { DBGFEVENT_XCPT_1f, "xcpt_1f", "xcpt1f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
575 { DBGFEVENT_INSTR_HALT, "instr_halt", "hlt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
576 { DBGFEVENT_INSTR_MWAIT, "instr_mwait", "mwait", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
577 { DBGFEVENT_INSTR_MONITOR, "instr_monitor", "monitor", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
578 { DBGFEVENT_INSTR_CPUID, "instr_cpuid", "cpuid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
579 { DBGFEVENT_INSTR_INVD, "instr_invd", "invd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
580 { DBGFEVENT_INSTR_WBINVD, "instr_wbinvd", "wbinvd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
581 { DBGFEVENT_INSTR_INVLPG, "instr_invlpg", "invlpg", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
582 { DBGFEVENT_INSTR_RDTSC, "instr_rdtsc", "rdtsc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
583 { DBGFEVENT_INSTR_RDTSCP, "instr_rdtscp", "rdtscp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
584 { DBGFEVENT_INSTR_RDPMC, "instr_rdpmc", "rdpmc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
585 { DBGFEVENT_INSTR_RDMSR, "instr_rdmsr", "rdmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
586 { DBGFEVENT_INSTR_WRMSR, "instr_wrmsr", "wrmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
587 { DBGFEVENT_INSTR_CRX_READ, "instr_crx_read", "crx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
588 { DBGFEVENT_INSTR_CRX_WRITE, "instr_crx_write", "crx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
589 { DBGFEVENT_INSTR_DRX_READ, "instr_drx_read", "drx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
590 { DBGFEVENT_INSTR_DRX_WRITE, "instr_drx_write", "drx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
591 { DBGFEVENT_INSTR_PAUSE, "instr_pause", "pause", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
592 { DBGFEVENT_INSTR_XSETBV, "instr_xsetbv", "xsetbv", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
593 { DBGFEVENT_INSTR_SIDT, "instr_sidt", "sidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
594 { DBGFEVENT_INSTR_LIDT, "instr_lidt", "lidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
595 { DBGFEVENT_INSTR_SGDT, "instr_sgdt", "sgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
596 { DBGFEVENT_INSTR_LGDT, "instr_lgdt", "lgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
597 { DBGFEVENT_INSTR_SLDT, "instr_sldt", "sldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
598 { DBGFEVENT_INSTR_LLDT, "instr_lldt", "lldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
599 { DBGFEVENT_INSTR_STR, "instr_str", "str", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
600 { DBGFEVENT_INSTR_LTR, "instr_ltr", "ltr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
601 { DBGFEVENT_INSTR_GETSEC, "instr_getsec", "getsec", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
602 { DBGFEVENT_INSTR_RSM, "instr_rsm", "rsm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
603 { DBGFEVENT_INSTR_RDRAND, "instr_rdrand", "rdrand", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
604 { DBGFEVENT_INSTR_RDSEED, "instr_rdseed", "rdseed", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
605 { DBGFEVENT_INSTR_XSAVES, "instr_xsaves", "xsaves", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
606 { DBGFEVENT_INSTR_XRSTORS, "instr_xrstors", "xrstors", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
607 { DBGFEVENT_INSTR_VMM_CALL, "instr_vmm_call", "vmm_call", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
608 { DBGFEVENT_INSTR_VMX_VMCLEAR, "instr_vmx_vmclear", "vmclear", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
609 { DBGFEVENT_INSTR_VMX_VMLAUNCH, "instr_vmx_vmlaunch", "vmlaunch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
610 { DBGFEVENT_INSTR_VMX_VMPTRLD, "instr_vmx_vmptrld", "vmptrld", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
611 { DBGFEVENT_INSTR_VMX_VMPTRST, "instr_vmx_vmptrst", "vmptrst", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
612 { DBGFEVENT_INSTR_VMX_VMREAD, "instr_vmx_vmread", "vmread", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
613 { DBGFEVENT_INSTR_VMX_VMRESUME, "instr_vmx_vmresume", "vmresume", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
614 { DBGFEVENT_INSTR_VMX_VMWRITE, "instr_vmx_vmwrite", "vmwrite", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
615 { DBGFEVENT_INSTR_VMX_VMXOFF, "instr_vmx_vmxoff", "vmxoff", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
616 { DBGFEVENT_INSTR_VMX_VMXON, "instr_vmx_vmxon", "vmxon", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
617 { DBGFEVENT_INSTR_VMX_VMFUNC, "instr_vmx_vmfunc", "vmfunc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
618 { DBGFEVENT_INSTR_VMX_INVEPT, "instr_vmx_invept", "invept", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
619 { DBGFEVENT_INSTR_VMX_INVVPID, "instr_vmx_invvpid", "invvpid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
620 { DBGFEVENT_INSTR_VMX_INVPCID, "instr_vmx_invpcid", "invpcid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
621 { DBGFEVENT_INSTR_SVM_VMRUN, "instr_svm_vmrun", "vmrun", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
622 { DBGFEVENT_INSTR_SVM_VMLOAD, "instr_svm_vmload", "vmload", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
623 { DBGFEVENT_INSTR_SVM_VMSAVE, "instr_svm_vmsave", "vmsave", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
624 { DBGFEVENT_INSTR_SVM_STGI, "instr_svm_stgi", "stgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
625 { DBGFEVENT_INSTR_SVM_CLGI, "instr_svm_clgi", "clgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
626 { DBGFEVENT_EXIT_TASK_SWITCH, "exit_task_switch", "task_switch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
627 { DBGFEVENT_EXIT_HALT, "exit_halt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
628 { DBGFEVENT_EXIT_MWAIT, "exit_mwait", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
629 { DBGFEVENT_EXIT_MONITOR, "exit_monitor", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
630 { DBGFEVENT_EXIT_CPUID, "exit_cpuid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
631 { DBGFEVENT_EXIT_INVD, "exit_invd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
632 { DBGFEVENT_EXIT_WBINVD, "exit_wbinvd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
633 { DBGFEVENT_EXIT_INVLPG, "exit_invlpg", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
634 { DBGFEVENT_EXIT_RDTSC, "exit_rdtsc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
635 { DBGFEVENT_EXIT_RDTSCP, "exit_rdtscp", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
636 { DBGFEVENT_EXIT_RDPMC, "exit_rdpmc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
637 { DBGFEVENT_EXIT_RDMSR, "exit_rdmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
638 { DBGFEVENT_EXIT_WRMSR, "exit_wrmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
639 { DBGFEVENT_EXIT_CRX_READ, "exit_crx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
640 { DBGFEVENT_EXIT_CRX_WRITE, "exit_crx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
641 { DBGFEVENT_EXIT_DRX_READ, "exit_drx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
642 { DBGFEVENT_EXIT_DRX_WRITE, "exit_drx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
643 { DBGFEVENT_EXIT_PAUSE, "exit_pause", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
644 { DBGFEVENT_EXIT_XSETBV, "exit_xsetbv", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
645 { DBGFEVENT_EXIT_SIDT, "exit_sidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
646 { DBGFEVENT_EXIT_LIDT, "exit_lidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
647 { DBGFEVENT_EXIT_SGDT, "exit_sgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
648 { DBGFEVENT_EXIT_LGDT, "exit_lgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
649 { DBGFEVENT_EXIT_SLDT, "exit_sldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
650 { DBGFEVENT_EXIT_LLDT, "exit_lldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
651 { DBGFEVENT_EXIT_STR, "exit_str", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
652 { DBGFEVENT_EXIT_LTR, "exit_ltr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
653 { DBGFEVENT_EXIT_GETSEC, "exit_getsec", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
654 { DBGFEVENT_EXIT_RSM, "exit_rsm", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
655 { DBGFEVENT_EXIT_RDRAND, "exit_rdrand", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
656 { DBGFEVENT_EXIT_RDSEED, "exit_rdseed", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
657 { DBGFEVENT_EXIT_XSAVES, "exit_xsaves", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
658 { DBGFEVENT_EXIT_XRSTORS, "exit_xrstors", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
659 { DBGFEVENT_EXIT_VMM_CALL, "exit_vmm_call", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
660 { DBGFEVENT_EXIT_VMX_VMCLEAR, "exit_vmx_vmclear", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
661 { DBGFEVENT_EXIT_VMX_VMLAUNCH, "exit_vmx_vmlaunch", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
662 { DBGFEVENT_EXIT_VMX_VMPTRLD, "exit_vmx_vmptrld", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
663 { DBGFEVENT_EXIT_VMX_VMPTRST, "exit_vmx_vmptrst", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
664 { DBGFEVENT_EXIT_VMX_VMREAD, "exit_vmx_vmread", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
665 { DBGFEVENT_EXIT_VMX_VMRESUME, "exit_vmx_vmresume", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
666 { DBGFEVENT_EXIT_VMX_VMWRITE, "exit_vmx_vmwrite", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
667 { DBGFEVENT_EXIT_VMX_VMXOFF, "exit_vmx_vmxoff", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
668 { DBGFEVENT_EXIT_VMX_VMXON, "exit_vmx_vmxon", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
669 { DBGFEVENT_EXIT_VMX_VMFUNC, "exit_vmx_vmfunc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
670 { DBGFEVENT_EXIT_VMX_INVEPT, "exit_vmx_invept", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
671 { DBGFEVENT_EXIT_VMX_INVVPID, "exit_vmx_invvpid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
672 { DBGFEVENT_EXIT_VMX_INVPCID, "exit_vmx_invpcid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
673 { DBGFEVENT_EXIT_VMX_EPT_VIOLATION, "exit_vmx_ept_violation", "eptvio", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
674 { DBGFEVENT_EXIT_VMX_EPT_MISCONFIG, "exit_vmx_ept_misconfig", "eptmis", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
675 { DBGFEVENT_EXIT_VMX_VAPIC_ACCESS, "exit_vmx_vapic_access", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
676 { DBGFEVENT_EXIT_VMX_VAPIC_WRITE, "exit_vmx_vapic_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
677 { DBGFEVENT_EXIT_SVM_VMRUN, "exit_svm_vmrun", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
678 { DBGFEVENT_EXIT_SVM_VMLOAD, "exit_svm_vmload", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
679 { DBGFEVENT_EXIT_SVM_VMSAVE, "exit_svm_vmsave", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
680 { DBGFEVENT_EXIT_SVM_STGI, "exit_svm_stgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
681 { DBGFEVENT_EXIT_SVM_CLGI, "exit_svm_clgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
682 { DBGFEVENT_IOPORT_UNASSIGNED, "pio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
683 { DBGFEVENT_IOPORT_UNUSED, "pio_unused", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
684 { DBGFEVENT_MEMORY_UNASSIGNED, "mmio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
685 { DBGFEVENT_MEMORY_ROM_WRITE, "rom_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
686 { DBGFEVENT_BSOD_MSR, "bsod_msr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL },
687 { DBGFEVENT_BSOD_EFI, "bsod_efi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL },
688 { DBGFEVENT_BSOD_VMMDEV, "bsod_vmmdev", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL },
689};
690/** Number of entries in g_aDbgcSxEvents. */
691const uint32_t g_cDbgcSxEvents = RT_ELEMENTS(g_aDbgcSxEvents);
692
693
694
695/**
696 * @callback_method_impl{FNDBGCCMD, The 'g' command.}
697 */
698static DECLCALLBACK(int) dbgcCmdGo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
699{
700 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
701
702 /*
703 * Parse arguments.
704 */
705 VMCPUID idCpu = VMCPUID_ALL;
706 if (cArgs == 1)
707 {
708 VMCPUID cCpus = DBGFR3CpuGetCount(pUVM);
709 if (paArgs[0].u.u64Number >= cCpus)
710 return DBGCCmdHlpFail(pCmdHlp, pCmd, "idCpu %RU64 is out of range! Highest valid ID is %u.\n",
711 paArgs[0].u.u64Number, cCpus - 1);
712 idCpu = (VMCPUID)paArgs[0].u.u64Number;
713 }
714 else
715 Assert(cArgs == 0);
716
717 /*
718 * Try resume the VM or CPU.
719 */
720 int rc = DBGFR3Resume(pUVM, idCpu);
721 if (RT_SUCCESS(rc))
722 {
723 Assert(rc == VINF_SUCCESS || rc == VWRN_DBGF_ALREADY_RUNNING);
724 if (rc != VWRN_DBGF_ALREADY_RUNNING)
725 return VINF_SUCCESS;
726 if (idCpu == VMCPUID_ALL)
727 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The VM is already running");
728 return DBGCCmdHlpFail(pCmdHlp, pCmd, "CPU %u is already running", idCpu);
729 }
730 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3Resume");
731}
732
733
734/**
735 * @callback_method_impl{FNDBGCCMD, The 'gu' command.}
736 */
737static DECLCALLBACK(int) dbgcCmdGoUp(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
738{
739 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
740 RT_NOREF(pCmd, paArgs, cArgs);
741
742 /* The simple way out. */
743 PDBGFADDRESS pStackPop = NULL; /** @todo try set up some stack limitations */
744 RTGCPTR cbStackPop = 0;
745 int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, DBGF_STEP_F_OVER | DBGF_STEP_F_STOP_AFTER_RET, NULL, pStackPop, cbStackPop, _512K);
746 if (RT_SUCCESS(rc))
747 pDbgc->fReady = false;
748 else
749 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,DBGF_STEP_F_OVER | DBGF_STEP_F_STOP_AFTER_RET,) failed");
750 return rc;
751}
752
753
754/**
755 * @callback_method_impl{FNDBGCCMD, The 'ba' command.}
756 */
757static DECLCALLBACK(int) dbgcCmdBrkAccess(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
758{
759 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
760
761 /*
762 * Interpret access type.
763 */
764 if ( !strchr("xrwi", paArgs[0].u.pszString[0])
765 || paArgs[0].u.pszString[1])
766 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access type '%s' for '%s'. Valid types are 'e', 'r', 'w' and 'i'",
767 paArgs[0].u.pszString, pCmd->pszCmd);
768 uint8_t fType = 0;
769 switch (paArgs[0].u.pszString[0])
770 {
771 case 'x': fType = X86_DR7_RW_EO; break;
772 case 'r': fType = X86_DR7_RW_RW; break;
773 case 'w': fType = X86_DR7_RW_WO; break;
774 case 'i': fType = X86_DR7_RW_IO; break;
775 }
776
777 /*
778 * Validate size.
779 */
780 if (fType == X86_DR7_RW_EO && paArgs[1].u.u64Number != 1)
781 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 'x' access type requires size 1!",
782 paArgs[1].u.u64Number, pCmd->pszCmd);
783 switch (paArgs[1].u.u64Number)
784 {
785 case 1:
786 case 2:
787 case 4:
788 break;
789 /*case 8: - later*/
790 default:
791 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 1, 2 or 4!",
792 paArgs[1].u.u64Number, pCmd->pszCmd);
793 }
794 uint8_t cb = (uint8_t)paArgs[1].u.u64Number;
795
796 /*
797 * Convert the pointer to a DBGF address.
798 */
799 DBGFADDRESS Address;
800 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[2], &Address);
801 if (RT_FAILURE(rc))
802 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%DV,)", &paArgs[2]);
803
804 /*
805 * Pick out the optional arguments.
806 */
807 uint64_t iHitTrigger = 0;
808 uint64_t iHitDisable = UINT64_MAX;
809 const char *pszCmds = NULL;
810 unsigned iArg = 3;
811 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
812 {
813 iHitTrigger = paArgs[iArg].u.u64Number;
814 iArg++;
815 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
816 {
817 iHitDisable = paArgs[iArg].u.u64Number;
818 iArg++;
819 }
820 }
821 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
822 {
823 pszCmds = paArgs[iArg].u.pszString;
824 iArg++;
825 }
826
827 /*
828 * Try set the breakpoint.
829 */
830 uint32_t iBp;
831 rc = DBGFR3BpSetReg(pUVM, &Address, iHitTrigger, iHitDisable, fType, cb, &iBp);
832 if (RT_SUCCESS(rc))
833 {
834 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
835 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
836 if (RT_SUCCESS(rc))
837 return DBGCCmdHlpPrintf(pCmdHlp, "Set access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
838 if (rc == VERR_DBGC_BP_EXISTS)
839 {
840 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
841 if (RT_SUCCESS(rc))
842 return DBGCCmdHlpPrintf(pCmdHlp, "Updated access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
843 }
844 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
845 AssertRC(rc2);
846 }
847 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set access breakpoint at %RGv", Address.FlatPtr);
848}
849
850
851/**
852 * @callback_method_impl{FNDBGCCMD, The 'bc' command.}
853 */
854static DECLCALLBACK(int) dbgcCmdBrkClear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
855{
856 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
857
858 /*
859 * Enumerate the arguments.
860 */
861 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
862 int rc = VINF_SUCCESS;
863 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
864 {
865 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
866 {
867 /* one */
868 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
869 if (iBp == paArgs[iArg].u.u64Number)
870 {
871 int rc2 = DBGFR3BpClear(pUVM, iBp);
872 if (RT_FAILURE(rc2))
873 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
874 if (RT_SUCCESS(rc2) || rc2 == VERR_DBGF_BP_NOT_FOUND)
875 dbgcBpDelete(pDbgc, iBp);
876 }
877 else
878 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
879 }
880 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
881 {
882 /* all */
883 PDBGCBP pBp = pDbgc->pFirstBp;
884 while (pBp)
885 {
886 uint32_t iBp = pBp->iBp;
887 pBp = pBp->pNext;
888
889 int rc2 = DBGFR3BpClear(pUVM, iBp);
890 if (RT_FAILURE(rc2))
891 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
892 if (RT_SUCCESS(rc2) || rc2 == VERR_DBGF_BP_NOT_FOUND)
893 dbgcBpDelete(pDbgc, iBp);
894 }
895 }
896 else
897 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
898 }
899 return rc;
900}
901
902
903/**
904 * @callback_method_impl{FNDBGCCMD, The 'bd' command.}
905 */
906static DECLCALLBACK(int) dbgcCmdBrkDisable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
907{
908 /*
909 * Enumerate the arguments.
910 */
911 int rc = VINF_SUCCESS;
912 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
913 {
914 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
915 {
916 /* one */
917 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
918 if (iBp == paArgs[iArg].u.u64Number)
919 {
920 rc = DBGFR3BpDisable(pUVM, iBp);
921 if (RT_FAILURE(rc))
922 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpDisable failed for breakpoint %#x", iBp);
923 }
924 else
925 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
926 }
927 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
928 {
929 /* all */
930 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
931 for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
932 {
933 int rc2 = DBGFR3BpDisable(pUVM, pBp->iBp);
934 if (RT_FAILURE(rc2))
935 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpDisable failed for breakpoint %#x", pBp->iBp);
936 }
937 }
938 else
939 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
940 }
941 return rc;
942}
943
944
945/**
946 * @callback_method_impl{FNDBGCCMD, The 'be' command.}
947 */
948static DECLCALLBACK(int) dbgcCmdBrkEnable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
949{
950 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
951
952 /*
953 * Enumerate the arguments.
954 */
955 int rc = VINF_SUCCESS;
956 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
957 {
958 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
959 {
960 /* one */
961 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
962 if (iBp == paArgs[iArg].u.u64Number)
963 {
964 rc = DBGFR3BpEnable(pUVM, iBp);
965 if (RT_FAILURE(rc))
966 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnable failed for breakpoint %#x", iBp);
967 }
968 else
969 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
970 }
971 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
972 {
973 /* all */
974 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
975 for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
976 {
977 int rc2 = DBGFR3BpEnable(pUVM, pBp->iBp);
978 if (RT_FAILURE(rc2))
979 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpEnable failed for breakpoint %#x", pBp->iBp);
980 }
981 }
982 else
983 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
984 }
985 return rc;
986}
987
988
989/**
990 * Breakpoint enumeration callback function.
991 *
992 * @returns VBox status code. Any failure will stop the enumeration.
993 * @param pUVM The user mode VM handle.
994 * @param pvUser The user argument.
995 * @param hBp The DBGF breakpoint handle.
996 * @param pBp Pointer to the breakpoint information. (readonly)
997 */
998static DECLCALLBACK(int) dbgcEnumBreakpointsCallback(PUVM pUVM, void *pvUser, DBGFBP hBp, PCDBGFBPPUB pBp)
999{
1000 PDBGC pDbgc = (PDBGC)pvUser;
1001 PDBGCBP pDbgcBp = dbgcBpGet(pDbgc, hBp);
1002
1003 /*
1004 * BP type and size.
1005 */
1006 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%#4x %c ", hBp, DBGF_BP_PUB_IS_ENABLED(pBp) ? 'e' : 'd');
1007 bool fHasAddress = false;
1008 switch (DBGF_BP_PUB_GET_TYPE(pBp))
1009 {
1010 case DBGFBPTYPE_INT3:
1011 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " p %RGv", pBp->u.Int3.GCPtr);
1012 fHasAddress = true;
1013 break;
1014 case DBGFBPTYPE_REG:
1015 {
1016 char chType;
1017 switch (pBp->u.Reg.fType)
1018 {
1019 case X86_DR7_RW_EO: chType = 'x'; break;
1020 case X86_DR7_RW_WO: chType = 'w'; break;
1021 case X86_DR7_RW_IO: chType = 'i'; break;
1022 case X86_DR7_RW_RW: chType = 'r'; break;
1023 default: chType = '?'; break;
1024
1025 }
1026 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%d %c %RGv", pBp->u.Reg.cb, chType, pBp->u.Reg.GCPtr);
1027 fHasAddress = true;
1028 break;
1029 }
1030
1031/** @todo realign the list when I/O and MMIO breakpoint command have been added and it's possible to test this code. */
1032 case DBGFBPTYPE_PORT_IO:
1033 case DBGFBPTYPE_MMIO:
1034 {
1035 uint32_t fAccess = DBGF_BP_PUB_GET_TYPE(pBp) == DBGFBPTYPE_PORT_IO ? pBp->u.PortIo.fAccess : pBp->u.Mmio.fAccess;
1036 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, DBGF_BP_PUB_GET_TYPE(pBp) == DBGFBPTYPE_PORT_IO ? " i" : " m");
1037 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
1038 fAccess & DBGFBPIOACCESS_READ_MASK ? 'r' : '-',
1039 fAccess & DBGFBPIOACCESS_READ_BYTE ? '1' : '-',
1040 fAccess & DBGFBPIOACCESS_READ_WORD ? '2' : '-',
1041 fAccess & DBGFBPIOACCESS_READ_DWORD ? '4' : '-',
1042 fAccess & DBGFBPIOACCESS_READ_QWORD ? '8' : '-',
1043 fAccess & DBGFBPIOACCESS_READ_OTHER ? '+' : '-');
1044 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
1045 fAccess & DBGFBPIOACCESS_WRITE_MASK ? 'w' : '-',
1046 fAccess & DBGFBPIOACCESS_WRITE_BYTE ? '1' : '-',
1047 fAccess & DBGFBPIOACCESS_WRITE_WORD ? '2' : '-',
1048 fAccess & DBGFBPIOACCESS_WRITE_DWORD ? '4' : '-',
1049 fAccess & DBGFBPIOACCESS_WRITE_QWORD ? '8' : '-',
1050 fAccess & DBGFBPIOACCESS_WRITE_OTHER ? '+' : '-');
1051 if (DBGF_BP_PUB_GET_TYPE(pBp) == DBGFBPTYPE_PORT_IO)
1052 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04x-%04x",
1053 pBp->u.PortIo.uPort, pBp->u.PortIo.uPort + pBp->u.PortIo.cPorts - 1);
1054 else
1055 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%RGp LB %03x", pBp->u.Mmio.PhysAddr, pBp->u.Mmio.cb);
1056 break;
1057 }
1058
1059 default:
1060 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " unknown type %d!!", DBGF_BP_PUB_GET_TYPE(pBp));
1061 AssertFailed();
1062 break;
1063
1064 }
1065 if (pBp->iHitDisable == ~(uint64_t)0)
1066 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to ~0) ", pBp->cHits, pBp->iHitTrigger);
1067 else
1068 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to %04RX64)", pBp->cHits, pBp->iHitTrigger, pBp->iHitDisable);
1069
1070 /*
1071 * Try resolve the address if it has one.
1072 */
1073 if (fHasAddress)
1074 {
1075 RTDBGSYMBOL Sym;
1076 RTINTPTR off;
1077 DBGFADDRESS Addr;
1078 int rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, pBp->u.GCPtr),
1079 RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
1080 &off, &Sym, NULL);
1081 if (RT_SUCCESS(rc))
1082 {
1083 if (!off)
1084 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s", Sym.szName);
1085 else if (off > 0)
1086 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s+%RGv", Sym.szName, off);
1087 else
1088 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s-%RGv", Sym.szName, -off);
1089 }
1090 }
1091
1092 /*
1093 * The commands.
1094 */
1095 if (pDbgcBp)
1096 {
1097 if (pDbgcBp->cchCmd)
1098 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n cmds: '%s'\n", pDbgcBp->szCmd);
1099 else
1100 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n");
1101 }
1102 else
1103 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " [unknown bp]\n");
1104
1105 return VINF_SUCCESS;
1106}
1107
1108
1109/**
1110 * @callback_method_impl{FNDBGCCMD, The 'bl' command.}
1111 */
1112static DECLCALLBACK(int) dbgcCmdBrkList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1113{
1114 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1115 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs == 0);
1116 NOREF(paArgs);
1117
1118 /*
1119 * Enumerate the breakpoints.
1120 */
1121 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1122 int rc = DBGFR3BpEnum(pUVM, dbgcEnumBreakpointsCallback, pDbgc);
1123 if (RT_FAILURE(rc))
1124 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnum");
1125 return rc;
1126}
1127
1128
1129/**
1130 * @callback_method_impl{FNDBGCCMD, The 'bp' command.}
1131 */
1132static DECLCALLBACK(int) dbgcCmdBrkSet(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1133{
1134 /*
1135 * Convert the pointer to a DBGF address.
1136 */
1137 DBGFADDRESS Address;
1138 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1139 if (RT_FAILURE(rc))
1140 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1141
1142 /*
1143 * Pick out the optional arguments.
1144 */
1145 uint64_t iHitTrigger = 0;
1146 uint64_t iHitDisable = UINT64_MAX;
1147 const char *pszCmds = NULL;
1148 unsigned iArg = 1;
1149 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1150 {
1151 iHitTrigger = paArgs[iArg].u.u64Number;
1152 iArg++;
1153 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1154 {
1155 iHitDisable = paArgs[iArg].u.u64Number;
1156 iArg++;
1157 }
1158 }
1159 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1160 {
1161 pszCmds = paArgs[iArg].u.pszString;
1162 iArg++;
1163 }
1164
1165 /*
1166 * Try set the breakpoint.
1167 */
1168 uint32_t iBp;
1169 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1170 rc = DBGFR3BpSetInt3(pUVM, pDbgc->idCpu, &Address, iHitTrigger, iHitDisable, &iBp);
1171 if (RT_SUCCESS(rc))
1172 {
1173 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1174 if (RT_SUCCESS(rc))
1175 return DBGCCmdHlpPrintf(pCmdHlp, "Set breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1176 if (rc == VERR_DBGC_BP_EXISTS)
1177 {
1178 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1179 if (RT_SUCCESS(rc))
1180 return DBGCCmdHlpPrintf(pCmdHlp, "Updated breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1181 }
1182 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1183 AssertRC(rc2);
1184 }
1185 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set breakpoint at %RGv", Address.FlatPtr);
1186}
1187
1188
1189/**
1190 * @callback_method_impl{FNDBGCCMD, The 'br' command.}
1191 */
1192static DECLCALLBACK(int) dbgcCmdBrkREM(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1193{
1194 /*
1195 * Convert the pointer to a DBGF address.
1196 */
1197 DBGFADDRESS Address;
1198 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1199 if (RT_FAILURE(rc))
1200 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1201
1202 /*
1203 * Pick out the optional arguments.
1204 */
1205 uint64_t iHitTrigger = 0;
1206 uint64_t iHitDisable = UINT64_MAX;
1207 const char *pszCmds = NULL;
1208 unsigned iArg = 1;
1209 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1210 {
1211 iHitTrigger = paArgs[iArg].u.u64Number;
1212 iArg++;
1213 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1214 {
1215 iHitDisable = paArgs[iArg].u.u64Number;
1216 iArg++;
1217 }
1218 }
1219 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1220 {
1221 pszCmds = paArgs[iArg].u.pszString;
1222 iArg++;
1223 }
1224
1225 /*
1226 * Try set the breakpoint.
1227 */
1228 uint32_t iBp;
1229 rc = DBGFR3BpSetREM(pUVM, &Address, iHitTrigger, iHitDisable, &iBp);
1230 if (RT_SUCCESS(rc))
1231 {
1232 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1233 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1234 if (RT_SUCCESS(rc))
1235 return DBGCCmdHlpPrintf(pCmdHlp, "Set REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1236 if (rc == VERR_DBGC_BP_EXISTS)
1237 {
1238 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1239 if (RT_SUCCESS(rc))
1240 return DBGCCmdHlpPrintf(pCmdHlp, "Updated REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1241 }
1242 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1243 AssertRC(rc2);
1244 }
1245 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set REM breakpoint at %RGv", Address.FlatPtr);
1246}
1247
1248
1249/**
1250 * Helps the unassmble ('u') command display symbols it starts at and passes.
1251 *
1252 * @param pUVM The user mode VM handle.
1253 * @param pCmdHlp The command helpers for printing via.
1254 * @param hDbgAs The address space to look up addresses in.
1255 * @param pAddress The current address.
1256 * @param pcbCallAgain Where to return the distance to the next check (in
1257 * instruction bytes).
1258 */
1259static void dbgcCmdUnassambleHelpListNear(PUVM pUVM, PDBGCCMDHLP pCmdHlp, RTDBGAS hDbgAs, PCDBGFADDRESS pAddress,
1260 PRTUINTPTR pcbCallAgain)
1261{
1262 RTDBGSYMBOL Symbol;
1263 RTGCINTPTR offDispSym;
1264 int rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress,
1265 RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
1266 &offDispSym, &Symbol, NULL);
1267 if (RT_FAILURE(rc) || offDispSym > _1G)
1268 rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress,
1269 RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
1270 &offDispSym, &Symbol, NULL);
1271 if (RT_SUCCESS(rc) && offDispSym < _1G)
1272 {
1273 if (!offDispSym)
1274 {
1275 DBGCCmdHlpPrintf(pCmdHlp, "%s:\n", Symbol.szName);
1276 *pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb;
1277 }
1278 else if (offDispSym > 0)
1279 {
1280 DBGCCmdHlpPrintf(pCmdHlp, "%s+%#llx:\n", Symbol.szName, (uint64_t)offDispSym);
1281 *pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb > (RTGCUINTPTR)offDispSym ? Symbol.cb - (RTGCUINTPTR)offDispSym : 1;
1282 }
1283 else
1284 {
1285 DBGCCmdHlpPrintf(pCmdHlp, "%s-%#llx:\n", Symbol.szName, (uint64_t)-offDispSym);
1286 *pcbCallAgain = !Symbol.cb ? 64 : (RTGCUINTPTR)-offDispSym + Symbol.cb;
1287 }
1288 }
1289 else
1290 *pcbCallAgain = UINT32_MAX;
1291}
1292
1293
1294/**
1295 * @callback_method_impl{FNDBGCCMD, The 'u' command.}
1296 */
1297static DECLCALLBACK(int) dbgcCmdUnassemble(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1298{
1299 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1300
1301 /*
1302 * Validate input.
1303 */
1304 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1305 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
1306 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
1307
1308 if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1309 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
1310
1311 /*
1312 * Check the desired mode.
1313 */
1314 unsigned fFlags = DBGF_DISAS_FLAGS_NO_ADDRESS | DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
1315 switch (pCmd->pszCmd[1])
1316 {
1317 default: AssertFailed(); RT_FALL_THRU();
1318 case '\0': fFlags |= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
1319 case '6': fFlags |= DBGF_DISAS_FLAGS_64BIT_MODE; break;
1320 case '3': fFlags |= DBGF_DISAS_FLAGS_32BIT_MODE; break;
1321 case '1': fFlags |= DBGF_DISAS_FLAGS_16BIT_MODE; break;
1322 case 'v': fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
1323 }
1324
1325 /** @todo should use DBGFADDRESS for everything */
1326
1327 /*
1328 * Find address.
1329 */
1330 if (!cArgs)
1331 {
1332 if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1333 {
1334 /** @todo Batch query CS, RIP, CPU mode and flags. */
1335 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
1336 if (CPUMIsGuestIn64BitCode(pVCpu))
1337 {
1338 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
1339 pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
1340 }
1341 else
1342 {
1343 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
1344 pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
1345 pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
1346 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
1347 && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
1348 {
1349 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1350 fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
1351 }
1352 }
1353
1354 fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST;
1355 }
1356 else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
1357 {
1358 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1359 fFlags |= pDbgc->fDisasm & DBGF_DISAS_FLAGS_MODE_MASK;
1360 }
1361 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
1362 }
1363 else
1364 pDbgc->DisasmPos = paArgs[0];
1365 pDbgc->pLastPos = &pDbgc->DisasmPos;
1366
1367 /*
1368 * Range.
1369 */
1370 switch (pDbgc->DisasmPos.enmRangeType)
1371 {
1372 case DBGCVAR_RANGE_NONE:
1373 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
1374 pDbgc->DisasmPos.u64Range = 10;
1375 break;
1376
1377 case DBGCVAR_RANGE_ELEMENTS:
1378 if (pDbgc->DisasmPos.u64Range > 2048)
1379 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
1380 break;
1381
1382 case DBGCVAR_RANGE_BYTES:
1383 if (pDbgc->DisasmPos.u64Range > 65536)
1384 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
1385 break;
1386
1387 default:
1388 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
1389 }
1390
1391 /*
1392 * Convert physical and host addresses to guest addresses.
1393 */
1394 RTDBGAS hDbgAs = pDbgc->hDbgAs;
1395 int rc;
1396 switch (pDbgc->DisasmPos.enmType)
1397 {
1398 case DBGCVAR_TYPE_GC_FLAT:
1399 case DBGCVAR_TYPE_GC_FAR:
1400 break;
1401 case DBGCVAR_TYPE_GC_PHYS:
1402 hDbgAs = DBGF_AS_PHYS;
1403 RT_FALL_THRU();
1404 case DBGCVAR_TYPE_HC_FLAT:
1405 case DBGCVAR_TYPE_HC_PHYS:
1406 {
1407 DBGCVAR VarTmp;
1408 rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
1409 if (RT_FAILURE(rc))
1410 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
1411 pDbgc->DisasmPos = VarTmp;
1412 break;
1413 }
1414 default: AssertFailed(); break;
1415 }
1416
1417 DBGFADDRESS CurAddr;
1418 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1419 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1420 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1421 else
1422 {
1423 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1424 if (RT_FAILURE(rc))
1425 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
1426 }
1427
1428 pDbgc->fDisasm = fFlags;
1429
1430 /*
1431 * Figure out where we are and display it. Also calculate when we need to
1432 * check for a new symbol if possible.
1433 */
1434 RTGCUINTPTR cbCheckSymbol;
1435 dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1436
1437 /*
1438 * Do the disassembling.
1439 */
1440 unsigned cTries = 32;
1441 int iRangeLeft = (int)pDbgc->DisasmPos.u64Range;
1442 if (iRangeLeft == 0) /* kludge for 'r'. */
1443 iRangeLeft = -1;
1444 for (;;)
1445 {
1446 /*
1447 * Disassemble the instruction.
1448 */
1449 char szDis[256];
1450 uint32_t cbInstr = 1;
1451 if (pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FLAT)
1452 rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, DBGF_SEL_FLAT, pDbgc->DisasmPos.u.GCFlat, fFlags,
1453 &szDis[0], sizeof(szDis), &cbInstr);
1454 else
1455 rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, pDbgc->DisasmPos.u.GCFar.sel, pDbgc->DisasmPos.u.GCFar.off, fFlags,
1456 &szDis[0], sizeof(szDis), &cbInstr);
1457 if (RT_SUCCESS(rc))
1458 {
1459 /* print it */
1460 rc = DBGCCmdHlpPrintf(pCmdHlp, "%-16DV %s\n", &pDbgc->DisasmPos, &szDis[0]);
1461 if (RT_FAILURE(rc))
1462 return rc;
1463 }
1464 else
1465 {
1466 /* bitch. */
1467 int rc2 = DBGCCmdHlpPrintf(pCmdHlp, "Failed to disassemble instruction, skipping one byte.\n");
1468 if (RT_FAILURE(rc2))
1469 return rc2;
1470 if (cTries-- > 0)
1471 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Too many disassembly failures. Giving up");
1472 cbInstr = 1;
1473 }
1474
1475 /* advance */
1476 if (iRangeLeft < 0) /* 'r' */
1477 break;
1478 if (pDbgc->DisasmPos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
1479 iRangeLeft--;
1480 else
1481 iRangeLeft -= cbInstr;
1482 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DisasmPos, "(%Dv) + %x", &pDbgc->DisasmPos, cbInstr);
1483 if (RT_FAILURE(rc))
1484 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpEval(,,'(%Dv) + %x')", &pDbgc->DisasmPos, cbInstr);
1485 if (iRangeLeft <= 0)
1486 break;
1487 fFlags &= ~DBGF_DISAS_FLAGS_CURRENT_GUEST;
1488
1489 /* Print next symbol? */
1490 if (cbCheckSymbol <= cbInstr)
1491 {
1492 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1493 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1494 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1495 else
1496 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1497 if (RT_SUCCESS(rc))
1498 dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1499 else
1500 cbCheckSymbol = UINT32_MAX;
1501 }
1502 else
1503 cbCheckSymbol -= cbInstr;
1504 }
1505
1506 NOREF(pCmd);
1507 return VINF_SUCCESS;
1508}
1509
1510
1511/**
1512 * @callback_method_impl{FNDGCSCREENBLIT}
1513 */
1514static DECLCALLBACK(int) dbgcCmdUnassembleCfgBlit(const char *psz, void *pvUser)
1515{
1516 PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
1517 return DBGCCmdHlpPrintf(pCmdHlp, "%s", psz);
1518}
1519
1520
1521/**
1522 * Checks whether both addresses are equal.
1523 *
1524 * @returns true if both addresses point to the same location, false otherwise.
1525 * @param pAddr1 First address.
1526 * @param pAddr2 Second address.
1527 */
1528static bool dbgcCmdUnassembleCfgAddrEqual(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1529{
1530 return pAddr1->Sel == pAddr2->Sel
1531 && pAddr1->off == pAddr2->off;
1532}
1533
1534
1535/**
1536 * Checks whether the first given address is lower than the second one.
1537 *
1538 * @returns true if both addresses point to the same location, false otherwise.
1539 * @param pAddr1 First address.
1540 * @param pAddr2 Second address.
1541 */
1542static bool dbgcCmdUnassembleCfgAddrLower(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1543{
1544 return pAddr1->Sel == pAddr2->Sel
1545 && pAddr1->off < pAddr2->off;
1546}
1547
1548
1549/**
1550 * Calculates the size required for the given basic block including the
1551 * border and spacing on the edges.
1552 *
1553 * @returns nothing.
1554 * @param hFlowBb The basic block handle.
1555 * @param pDumpBb The dumper state to fill in for the basic block.
1556 */
1557static void dbgcCmdUnassembleCfgDumpCalcBbSize(DBGFFLOWBB hFlowBb, PDBGCFLOWBBDUMP pDumpBb)
1558{
1559 uint32_t fFlags = DBGFR3FlowBbGetFlags(hFlowBb);
1560 uint32_t cInstr = DBGFR3FlowBbGetInstrCount(hFlowBb);
1561
1562 pDumpBb->hFlowBb = hFlowBb;
1563 pDumpBb->cchHeight = cInstr + 4; /* Include spacing and border top and bottom. */
1564 pDumpBb->cchWidth = 0;
1565 DBGFR3FlowBbGetStartAddress(hFlowBb, &pDumpBb->AddrStart);
1566
1567 DBGFFLOWBBENDTYPE enmType = DBGFR3FlowBbGetType(hFlowBb);
1568 if ( enmType == DBGFFLOWBBENDTYPE_COND
1569 || enmType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1570 || enmType == DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP)
1571 DBGFR3FlowBbGetBranchAddress(hFlowBb, &pDumpBb->AddrTarget);
1572
1573 if (fFlags & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1574 {
1575 const char *pszErr = NULL;
1576 DBGFR3FlowBbQueryError(hFlowBb, &pszErr);
1577 if (pszErr)
1578 {
1579 pDumpBb->cchHeight++;
1580 pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszErr));
1581 }
1582 }
1583 for (unsigned i = 0; i < cInstr; i++)
1584 {
1585 const char *pszInstr = NULL;
1586 int rc = DBGFR3FlowBbQueryInstr(hFlowBb, i, NULL, NULL, &pszInstr);
1587 AssertRC(rc);
1588 pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszInstr));
1589 }
1590 pDumpBb->cchWidth += 4; /* Include spacing and border left and right. */
1591}
1592
1593
1594/**
1595 * Dumps a top or bottom boundary line.
1596 *
1597 * @returns nothing.
1598 * @param hScreen The screen to draw to.
1599 * @param uStartX Where to start drawing the boundary.
1600 * @param uStartY Y coordinate.
1601 * @param cchWidth Width of the boundary.
1602 * @param enmColor The color to use for drawing.
1603 */
1604static void dbgcCmdUnassembleCfgDumpBbBoundary(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1605 DBGCSCREENCOLOR enmColor)
1606{
1607 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '+', enmColor);
1608 dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1609 uStartY, '-', enmColor);
1610 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '+', enmColor);
1611}
1612
1613
1614/**
1615 * Dumps a spacing line between the top or bottom boundary and the actual disassembly.
1616 *
1617 * @returns nothing.
1618 * @param hScreen The screen to draw to.
1619 * @param uStartX Where to start drawing the spacing.
1620 * @param uStartY Y coordinate.
1621 * @param cchWidth Width of the spacing.
1622 * @param enmColor The color to use for drawing.
1623 */
1624static void dbgcCmdUnassembleCfgDumpBbSpacing(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1625 DBGCSCREENCOLOR enmColor)
1626{
1627 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmColor);
1628 dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1629 uStartY, ' ', enmColor);
1630 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmColor);
1631}
1632
1633
1634/**
1635 * Writes a given text to the screen.
1636 *
1637 * @returns nothing.
1638 * @param hScreen The screen to draw to.
1639 * @param uStartX Where to start drawing the line.
1640 * @param uStartY Y coordinate.
1641 * @param cchWidth Maximum width of the text.
1642 * @param pszText The text to write.
1643 * @param enmTextColor The color to use for drawing the text.
1644 * @param enmBorderColor The color to use for drawing the border.
1645 */
1646static void dbgcCmdUnassembleCfgDumpBbText(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY,
1647 uint32_t cchWidth, const char *pszText,
1648 DBGCSCREENCOLOR enmTextColor, DBGCSCREENCOLOR enmBorderColor)
1649{
1650 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmBorderColor);
1651 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + 1, uStartY, ' ', enmTextColor);
1652 dbgcScreenAsciiDrawString(hScreen, uStartX + 2, uStartY, pszText, enmTextColor);
1653 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmBorderColor);
1654}
1655
1656
1657/**
1658 * Dumps one basic block using the dumper callback.
1659 *
1660 * @returns nothing.
1661 * @param pDumpBb The basic block dump state to dump.
1662 * @param hScreen The screen to draw to.
1663 */
1664static void dbgcCmdUnassembleCfgDumpBb(PDBGCFLOWBBDUMP pDumpBb, DBGCSCREEN hScreen)
1665{
1666 uint32_t uStartY = pDumpBb->uStartY;
1667 bool fError = RT_BOOL(DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR);
1668 DBGCSCREENCOLOR enmColor = fError ? DBGCSCREENCOLOR_RED_BRIGHT : DBGCSCREENCOLOR_DEFAULT;
1669
1670 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1671 uStartY++;
1672 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1673 uStartY++;
1674
1675 uint32_t cInstr = DBGFR3FlowBbGetInstrCount(pDumpBb->hFlowBb);
1676 for (unsigned i = 0; i < cInstr; i++)
1677 {
1678 const char *pszInstr = NULL;
1679 DBGFR3FlowBbQueryInstr(pDumpBb->hFlowBb, i, NULL, NULL, &pszInstr);
1680 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY + i,
1681 pDumpBb->cchWidth, pszInstr, DBGCSCREENCOLOR_DEFAULT,
1682 enmColor);
1683 }
1684 uStartY += cInstr;
1685
1686 if (fError)
1687 {
1688 const char *pszErr = NULL;
1689 DBGFR3FlowBbQueryError(pDumpBb->hFlowBb, &pszErr);
1690 if (pszErr)
1691 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY,
1692 pDumpBb->cchWidth, pszErr, enmColor,
1693 enmColor);
1694 uStartY++;
1695 }
1696
1697 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1698 uStartY++;
1699 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1700 uStartY++;
1701}
1702
1703
1704/**
1705 * Dumps one branch table using the dumper callback.
1706 *
1707 * @returns nothing.
1708 * @param pDumpBranchTbl The basic block dump state to dump.
1709 * @param hScreen The screen to draw to.
1710 */
1711static void dbgcCmdUnassembleCfgDumpBranchTbl(PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl, DBGCSCREEN hScreen)
1712{
1713 uint32_t uStartY = pDumpBranchTbl->uStartY;
1714 DBGCSCREENCOLOR enmColor = DBGCSCREENCOLOR_CYAN_BRIGHT;
1715
1716 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1717 uStartY++;
1718 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1719 uStartY++;
1720
1721 uint32_t cSlots = DBGFR3FlowBranchTblGetSlots(pDumpBranchTbl->hFlowBranchTbl);
1722 for (unsigned i = 0; i < cSlots; i++)
1723 {
1724 DBGFADDRESS Addr;
1725 char szAddr[128];
1726
1727 RT_ZERO(szAddr);
1728 DBGFR3FlowBranchTblGetAddrAtSlot(pDumpBranchTbl->hFlowBranchTbl, i, &Addr);
1729
1730 if (Addr.Sel == DBGF_SEL_FLAT)
1731 RTStrPrintf(&szAddr[0], sizeof(szAddr), "%RGv", Addr.FlatPtr);
1732 else
1733 RTStrPrintf(&szAddr[0], sizeof(szAddr), "%04x:%RGv", Addr.Sel, Addr.off);
1734
1735 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBranchTbl->uStartX, uStartY + i,
1736 pDumpBranchTbl->cchWidth, &szAddr[0], DBGCSCREENCOLOR_DEFAULT,
1737 enmColor);
1738 }
1739 uStartY += cSlots;
1740
1741 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1742 uStartY++;
1743 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1744 uStartY++;
1745}
1746
1747
1748/**
1749 * Fills in the dump states for the basic blocks and branch tables.
1750 *
1751 * @returns VBox status code.
1752 * @param hFlowIt The control flow graph iterator handle.
1753 * @param hFlowBranchTblIt The control flow graph branch table iterator handle.
1754 * @param paDumpBb The array of basic block dump states.
1755 * @param paDumpBranchTbl The array of branch table dump states.
1756 * @param cBbs Number of basic blocks.
1757 * @param cBranchTbls Number of branch tables.
1758 */
1759static int dbgcCmdUnassembleCfgDumpCalcDimensions(DBGFFLOWIT hFlowIt, DBGFFLOWBRANCHTBLIT hFlowBranchTblIt,
1760 PDBGCFLOWBBDUMP paDumpBb, PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl,
1761 uint32_t cBbs, uint32_t cBranchTbls)
1762{
1763 RT_NOREF2(cBbs, cBranchTbls);
1764
1765 /* Calculate the sizes of each basic block first. */
1766 DBGFFLOWBB hFlowBb = DBGFR3FlowItNext(hFlowIt);
1767 uint32_t idx = 0;
1768 while (hFlowBb)
1769 {
1770 dbgcCmdUnassembleCfgDumpCalcBbSize(hFlowBb, &paDumpBb[idx]);
1771 idx++;
1772 hFlowBb = DBGFR3FlowItNext(hFlowIt);
1773 }
1774
1775 if (paDumpBranchTbl)
1776 {
1777 idx = 0;
1778 DBGFFLOWBRANCHTBL hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1779 while (hFlowBranchTbl)
1780 {
1781 paDumpBranchTbl[idx].hFlowBranchTbl = hFlowBranchTbl;
1782 paDumpBranchTbl[idx].cchHeight = DBGFR3FlowBranchTblGetSlots(hFlowBranchTbl) + 4; /* Spacing and border. */
1783 paDumpBranchTbl[idx].cchWidth = 25 + 4; /* Spacing and border. */
1784 idx++;
1785 hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1786 }
1787 }
1788
1789 return VINF_SUCCESS;
1790}
1791
1792/**
1793 * Dumps the given control flow graph to the output.
1794 *
1795 * @returns VBox status code.
1796 * @param hCfg The control flow graph handle.
1797 * @param fUseColor Flag whether the output should be colorized.
1798 * @param pCmdHlp The command helper callback table.
1799 */
1800static int dbgcCmdUnassembleCfgDump(DBGFFLOW hCfg, bool fUseColor, PDBGCCMDHLP pCmdHlp)
1801{
1802 int rc = VINF_SUCCESS;
1803 DBGFFLOWIT hCfgIt = NULL;
1804 DBGFFLOWBRANCHTBLIT hFlowBranchTblIt = NULL;
1805 uint32_t cBbs = DBGFR3FlowGetBbCount(hCfg);
1806 uint32_t cBranchTbls = DBGFR3FlowGetBranchTblCount(hCfg);
1807 PDBGCFLOWBBDUMP paDumpBb = (PDBGCFLOWBBDUMP)RTMemTmpAllocZ(cBbs * sizeof(DBGCFLOWBBDUMP));
1808 PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl = NULL;
1809
1810 if (cBranchTbls)
1811 paDumpBranchTbl = (PDBGCFLOWBRANCHTBLDUMP)RTMemAllocZ(cBranchTbls * sizeof(DBGCFLOWBRANCHTBLDUMP));
1812
1813 if (RT_UNLIKELY(!paDumpBb || (!paDumpBranchTbl && cBranchTbls > 0)))
1814 rc = VERR_NO_MEMORY;
1815 if (RT_SUCCESS(rc))
1816 rc = DBGFR3FlowItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hCfgIt);
1817 if (RT_SUCCESS(rc) && cBranchTbls > 0)
1818 rc = DBGFR3FlowBranchTblItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hFlowBranchTblIt);
1819
1820 if (RT_SUCCESS(rc))
1821 {
1822 rc = dbgcCmdUnassembleCfgDumpCalcDimensions(hCfgIt, hFlowBranchTblIt, paDumpBb, paDumpBranchTbl,
1823 cBbs, cBranchTbls);
1824
1825 /* Calculate the ASCII screen dimensions and create one. */
1826 uint32_t cchWidth = 0;
1827 uint32_t cchLeftExtra = 5;
1828 uint32_t cchRightExtra = 5;
1829 uint32_t cchHeight = 0;
1830 for (unsigned i = 0; i < cBbs; i++)
1831 {
1832 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1833 cchWidth = RT_MAX(cchWidth, pDumpBb->cchWidth);
1834 cchHeight += pDumpBb->cchHeight;
1835
1836 /* Incomplete blocks don't have a successor. */
1837 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1838 continue;
1839
1840 switch (DBGFR3FlowBbGetType(pDumpBb->hFlowBb))
1841 {
1842 case DBGFFLOWBBENDTYPE_EXIT:
1843 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1844 break;
1845 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1846 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1847 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1848 cchLeftExtra++;
1849 else
1850 cchRightExtra++;
1851 break;
1852 case DBGFFLOWBBENDTYPE_UNCOND:
1853 cchHeight += 2; /* For the arrow down to the next basic block. */
1854 break;
1855 case DBGFFLOWBBENDTYPE_COND:
1856 cchHeight += 2; /* For the arrow down to the next basic block. */
1857 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1858 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1859 cchLeftExtra++;
1860 else
1861 cchRightExtra++;
1862 break;
1863 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1864 default:
1865 AssertFailed();
1866 }
1867 }
1868
1869 for (unsigned i = 0; i < cBranchTbls; i++)
1870 {
1871 PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl = &paDumpBranchTbl[i];
1872 cchWidth = RT_MAX(cchWidth, pDumpBranchTbl->cchWidth);
1873 cchHeight += pDumpBranchTbl->cchHeight;
1874 }
1875
1876 cchWidth += 2;
1877
1878 DBGCSCREEN hScreen = NULL;
1879 rc = dbgcScreenAsciiCreate(&hScreen, cchWidth + cchLeftExtra + cchRightExtra, cchHeight);
1880 if (RT_SUCCESS(rc))
1881 {
1882 uint32_t uY = 0;
1883
1884 /* Dump the branch tables first. */
1885 for (unsigned i = 0; i < cBranchTbls; i++)
1886 {
1887 paDumpBranchTbl[i].uStartX = cchLeftExtra + (cchWidth - paDumpBranchTbl[i].cchWidth) / 2;
1888 paDumpBranchTbl[i].uStartY = uY;
1889 dbgcCmdUnassembleCfgDumpBranchTbl(&paDumpBranchTbl[i], hScreen);
1890 uY += paDumpBranchTbl[i].cchHeight;
1891 }
1892
1893 /* Dump the basic blocks and connections to the immediate successor. */
1894 for (unsigned i = 0; i < cBbs; i++)
1895 {
1896 paDumpBb[i].uStartX = cchLeftExtra + (cchWidth - paDumpBb[i].cchWidth) / 2;
1897 paDumpBb[i].uStartY = uY;
1898 dbgcCmdUnassembleCfgDumpBb(&paDumpBb[i], hScreen);
1899 uY += paDumpBb[i].cchHeight;
1900
1901 /* Incomplete blocks don't have a successor. */
1902 if (DBGFR3FlowBbGetFlags(paDumpBb[i].hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1903 continue;
1904
1905 switch (DBGFR3FlowBbGetType(paDumpBb[i].hFlowBb))
1906 {
1907 case DBGFFLOWBBENDTYPE_EXIT:
1908 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1909 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1910 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1911 break;
1912 case DBGFFLOWBBENDTYPE_UNCOND:
1913 /* Draw the arrow down to the next block. */
1914 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1915 '|', DBGCSCREENCOLOR_BLUE_BRIGHT);
1916 uY++;
1917 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1918 'V', DBGCSCREENCOLOR_BLUE_BRIGHT);
1919 uY++;
1920 break;
1921 case DBGFFLOWBBENDTYPE_COND:
1922 /* Draw the arrow down to the next block. */
1923 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1924 '|', DBGCSCREENCOLOR_RED_BRIGHT);
1925 uY++;
1926 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1927 'V', DBGCSCREENCOLOR_RED_BRIGHT);
1928 uY++;
1929 break;
1930 default:
1931 AssertFailed();
1932 }
1933 }
1934
1935 /* Last pass, connect all remaining branches. */
1936 uint32_t uBackConns = 0;
1937 uint32_t uFwdConns = 0;
1938 for (unsigned i = 0; i < cBbs; i++)
1939 {
1940 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1941 DBGFFLOWBBENDTYPE enmEndType = DBGFR3FlowBbGetType(pDumpBb->hFlowBb);
1942
1943 /* Incomplete blocks don't have a successor. */
1944 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1945 continue;
1946
1947 switch (enmEndType)
1948 {
1949 case DBGFFLOWBBENDTYPE_EXIT:
1950 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1951 case DBGFFLOWBBENDTYPE_UNCOND:
1952 break;
1953 case DBGFFLOWBBENDTYPE_COND:
1954 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1955 {
1956 /* Find the target first to get the coordinates. */
1957 PDBGCFLOWBBDUMP pDumpBbTgt = NULL;
1958 for (unsigned idxDumpBb = 0; idxDumpBb < cBbs; idxDumpBb++)
1959 {
1960 pDumpBbTgt = &paDumpBb[idxDumpBb];
1961 if (dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBbTgt->AddrStart))
1962 break;
1963 }
1964
1965 DBGCSCREENCOLOR enmColor = enmEndType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1966 ? DBGCSCREENCOLOR_YELLOW_BRIGHT
1967 : DBGCSCREENCOLOR_GREEN_BRIGHT;
1968
1969 /*
1970 * Use the right side for targets with higher addresses,
1971 * left when jumping backwards.
1972 */
1973 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1974 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1975 {
1976 /* Going backwards. */
1977 uint32_t uXVerLine = /*cchLeftExtra - 1 -*/ uBackConns + 1;
1978 uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
1979 uBackConns++;
1980
1981 /* Draw the arrow pointing to the target block. */
1982 dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX - 1, pDumpBbTgt->uStartY,
1983 '>', enmColor);
1984 /* Draw the horizontal line. */
1985 dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBbTgt->uStartX - 2,
1986 pDumpBbTgt->uStartY, '-', enmColor);
1987 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
1988 enmColor);
1989 /* Draw the vertical line down to the source block. */
1990 dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, pDumpBbTgt->uStartY + 1, uYHorLine - 1,
1991 '|', enmColor);
1992 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
1993 /* Draw the horizontal connection between the source block and vertical part. */
1994 dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBb->uStartX - 1,
1995 uYHorLine, '-', enmColor);
1996
1997 }
1998 else
1999 {
2000 /* Going forward. */
2001 uint32_t uXVerLine = cchWidth + cchLeftExtra + (cchRightExtra - uFwdConns) - 1;
2002 uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
2003 uFwdConns++;
2004
2005 /* Draw the horizontal line. */
2006 dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBb->uStartX + pDumpBb->cchWidth,
2007 uXVerLine - 1, uYHorLine, '-', enmColor);
2008 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
2009 /* Draw the vertical line down to the target block. */
2010 dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, uYHorLine + 1, pDumpBbTgt->uStartY - 1,
2011 '|', enmColor);
2012 /* Draw the horizontal connection between the target block and vertical part. */
2013 dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
2014 uXVerLine, pDumpBbTgt->uStartY, '-', enmColor);
2015 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
2016 enmColor);
2017 /* Draw the arrow pointing to the target block. */
2018 dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
2019 pDumpBbTgt->uStartY, '<', enmColor);
2020 }
2021 break;
2022 }
2023 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
2024 default:
2025 AssertFailed();
2026 }
2027 }
2028
2029 rc = dbgcScreenAsciiBlit(hScreen, dbgcCmdUnassembleCfgBlit, pCmdHlp, fUseColor);
2030 dbgcScreenAsciiDestroy(hScreen);
2031 }
2032 }
2033
2034 if (paDumpBb)
2035 {
2036 for (unsigned i = 0; i < cBbs; i++)
2037 DBGFR3FlowBbRelease(paDumpBb[i].hFlowBb);
2038 RTMemTmpFree(paDumpBb);
2039 }
2040
2041 if (paDumpBranchTbl)
2042 {
2043 for (unsigned i = 0; i < cBranchTbls; i++)
2044 DBGFR3FlowBranchTblRelease(paDumpBranchTbl[i].hFlowBranchTbl);
2045 RTMemTmpFree(paDumpBranchTbl);
2046 }
2047
2048 if (hCfgIt)
2049 DBGFR3FlowItDestroy(hCfgIt);
2050 if (hFlowBranchTblIt)
2051 DBGFR3FlowBranchTblItDestroy(hFlowBranchTblIt);
2052
2053 return rc;
2054}
2055
2056
2057/**
2058 * @callback_method_impl{FNDBGCCMD, The 'ucfg' command.}
2059 */
2060static DECLCALLBACK(int) dbgcCmdUnassembleCfg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2061{
2062 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2063
2064 /*
2065 * Validate input.
2066 */
2067 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2068 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
2069 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
2070
2071 if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2072 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
2073
2074 /*
2075 * Check the desired mode.
2076 */
2077 unsigned fFlags = DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
2078 bool fUseColor = false;
2079 switch (pCmd->pszCmd[4])
2080 {
2081 default: AssertFailed(); RT_FALL_THRU();
2082 case '\0': fFlags |= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
2083 case '6': fFlags |= DBGF_DISAS_FLAGS_64BIT_MODE; break;
2084 case '3': fFlags |= DBGF_DISAS_FLAGS_32BIT_MODE; break;
2085 case '1': fFlags |= DBGF_DISAS_FLAGS_16BIT_MODE; break;
2086 case 'v': fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
2087 case 'c': fUseColor = true; break;
2088 }
2089
2090 /** @todo should use DBGFADDRESS for everything */
2091
2092 /*
2093 * Find address.
2094 */
2095 if (!cArgs)
2096 {
2097 if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2098 {
2099 /** @todo Batch query CS, RIP, CPU mode and flags. */
2100 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2101 if (CPUMIsGuestIn64BitCode(pVCpu))
2102 {
2103 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
2104 pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
2105 }
2106 else
2107 {
2108 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
2109 pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
2110 pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
2111 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
2112 && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
2113 {
2114 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2115 fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
2116 }
2117 }
2118
2119 fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST;
2120 }
2121 else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
2122 {
2123 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2124 fFlags |= pDbgc->fDisasm & DBGF_DISAS_FLAGS_MODE_MASK;
2125 }
2126 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
2127 }
2128 else
2129 pDbgc->DisasmPos = paArgs[0];
2130 pDbgc->pLastPos = &pDbgc->DisasmPos;
2131
2132 /*
2133 * Range.
2134 */
2135 switch (pDbgc->DisasmPos.enmRangeType)
2136 {
2137 case DBGCVAR_RANGE_NONE:
2138 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2139 pDbgc->DisasmPos.u64Range = 10;
2140 break;
2141
2142 case DBGCVAR_RANGE_ELEMENTS:
2143 if (pDbgc->DisasmPos.u64Range > 2048)
2144 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
2145 break;
2146
2147 case DBGCVAR_RANGE_BYTES:
2148 if (pDbgc->DisasmPos.u64Range > 65536)
2149 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
2150 break;
2151
2152 default:
2153 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
2154 }
2155
2156 /*
2157 * Convert physical and host addresses to guest addresses.
2158 */
2159 RTDBGAS hDbgAs = pDbgc->hDbgAs;
2160 int rc;
2161 switch (pDbgc->DisasmPos.enmType)
2162 {
2163 case DBGCVAR_TYPE_GC_FLAT:
2164 case DBGCVAR_TYPE_GC_FAR:
2165 break;
2166 case DBGCVAR_TYPE_GC_PHYS:
2167 hDbgAs = DBGF_AS_PHYS;
2168 RT_FALL_THRU();
2169 case DBGCVAR_TYPE_HC_FLAT:
2170 case DBGCVAR_TYPE_HC_PHYS:
2171 {
2172 DBGCVAR VarTmp;
2173 rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
2174 if (RT_FAILURE(rc))
2175 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
2176 pDbgc->DisasmPos = VarTmp;
2177 break;
2178 }
2179 default: AssertFailed(); break;
2180 }
2181
2182 DBGFADDRESS CurAddr;
2183 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
2184 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
2185 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
2186 else
2187 {
2188 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
2189 if (RT_FAILURE(rc))
2190 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
2191 }
2192
2193 DBGFFLOW hCfg;
2194 rc = DBGFR3FlowCreate(pUVM, pDbgc->idCpu, &CurAddr, 0 /*cbDisasmMax*/,
2195 DBGF_FLOW_CREATE_F_TRY_RESOLVE_INDIRECT_BRANCHES, fFlags, &hCfg);
2196 if (RT_SUCCESS(rc))
2197 {
2198 /* Dump the graph. */
2199 rc = dbgcCmdUnassembleCfgDump(hCfg, fUseColor, pCmdHlp);
2200 DBGFR3FlowRelease(hCfg);
2201 }
2202 else
2203 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowCreate failed on '%Dv'", &pDbgc->DisasmPos);
2204
2205 NOREF(pCmd);
2206 return rc;
2207}
2208
2209
2210/**
2211 * @callback_method_impl{FNDBGCCMD, The 'ls' command.}
2212 */
2213static DECLCALLBACK(int) dbgcCmdListSource(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2214{
2215 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2216
2217 /*
2218 * Validate input.
2219 */
2220 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
2221 if (cArgs == 1)
2222 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
2223 if (!pUVM && !cArgs && !DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2224 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start listing...");
2225 if (!pUVM && cArgs && DBGCVAR_ISGCPOINTER(paArgs[0].enmType))
2226 return DBGCCmdHlpFail(pCmdHlp, pCmd, "GC address but no VM");
2227
2228 /*
2229 * Find address.
2230 */
2231 if (!cArgs)
2232 {
2233 if (!DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2234 {
2235 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2236 pDbgc->SourcePos.enmType = DBGCVAR_TYPE_GC_FAR;
2237 pDbgc->SourcePos.u.GCFar.off = CPUMGetGuestEIP(pVCpu);
2238 pDbgc->SourcePos.u.GCFar.sel = CPUMGetGuestCS(pVCpu);
2239 }
2240 pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_NONE;
2241 }
2242 else
2243 pDbgc->SourcePos = paArgs[0];
2244 pDbgc->pLastPos = &pDbgc->SourcePos;
2245
2246 /*
2247 * Ensure the source address is flat GC.
2248 */
2249 switch (pDbgc->SourcePos.enmType)
2250 {
2251 case DBGCVAR_TYPE_GC_FLAT:
2252 break;
2253 case DBGCVAR_TYPE_GC_PHYS:
2254 case DBGCVAR_TYPE_GC_FAR:
2255 case DBGCVAR_TYPE_HC_FLAT:
2256 case DBGCVAR_TYPE_HC_PHYS:
2257 {
2258 int rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "%%(%Dv)", &pDbgc->SourcePos);
2259 if (RT_FAILURE(rc))
2260 return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid address or address type. (rc=%d)\n", rc);
2261 break;
2262 }
2263 default: AssertFailed(); break;
2264 }
2265
2266 /*
2267 * Range.
2268 */
2269 switch (pDbgc->SourcePos.enmRangeType)
2270 {
2271 case DBGCVAR_RANGE_NONE:
2272 pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2273 pDbgc->SourcePos.u64Range = 10;
2274 break;
2275
2276 case DBGCVAR_RANGE_ELEMENTS:
2277 if (pDbgc->SourcePos.u64Range > 2048)
2278 return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many lines requested. Max is 2048 lines.\n");
2279 break;
2280
2281 case DBGCVAR_RANGE_BYTES:
2282 if (pDbgc->SourcePos.u64Range > 65536)
2283 return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
2284 break;
2285
2286 default:
2287 return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->SourcePos.enmRangeType);
2288 }
2289
2290 /*
2291 * Do the disassembling.
2292 */
2293 bool fFirst = 1;
2294 RTDBGLINE LinePrev = { 0, 0, 0, 0, 0, "" };
2295 int iRangeLeft = (int)pDbgc->SourcePos.u64Range;
2296 if (iRangeLeft == 0) /* kludge for 'r'. */
2297 iRangeLeft = -1;
2298 for (;;)
2299 {
2300 /*
2301 * Get line info.
2302 */
2303 RTDBGLINE Line;
2304 RTGCINTPTR off;
2305 DBGFADDRESS SourcePosAddr;
2306 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->SourcePos, &SourcePosAddr);
2307 if (RT_FAILURE(rc))
2308 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%Dv)", &pDbgc->SourcePos);
2309 rc = DBGFR3AsLineByAddr(pUVM, pDbgc->hDbgAs, &SourcePosAddr, &off, &Line, NULL);
2310 if (RT_FAILURE(rc))
2311 return VINF_SUCCESS;
2312
2313 unsigned cLines = 0;
2314 if (memcmp(&Line, &LinePrev, sizeof(Line)))
2315 {
2316 /*
2317 * Print filenamename
2318 */
2319 if (!fFirst && strcmp(Line.szFilename, LinePrev.szFilename))
2320 fFirst = true;
2321 if (fFirst)
2322 {
2323 rc = DBGCCmdHlpPrintf(pCmdHlp, "[%s @ %d]\n", Line.szFilename, Line.uLineNo);
2324 if (RT_FAILURE(rc))
2325 return rc;
2326 }
2327
2328 /*
2329 * Try open the file and read the line.
2330 */
2331 FILE *phFile = fopen(Line.szFilename, "r");
2332 if (phFile)
2333 {
2334 /* Skip ahead to the desired line. */
2335 char szLine[4096];
2336 unsigned cBefore = fFirst ? RT_MIN(2, Line.uLineNo - 1) : Line.uLineNo - LinePrev.uLineNo - 1;
2337 if (cBefore > 7)
2338 cBefore = 0;
2339 unsigned cLeft = Line.uLineNo - cBefore;
2340 while (cLeft > 0)
2341 {
2342 szLine[0] = '\0';
2343 if (!fgets(szLine, sizeof(szLine), phFile))
2344 break;
2345 cLeft--;
2346 }
2347 if (!cLeft)
2348 {
2349 /* print the before lines */
2350 for (;;)
2351 {
2352 size_t cch = strlen(szLine);
2353 while (cch > 0 && (szLine[cch - 1] == '\r' || szLine[cch - 1] == '\n' || RT_C_IS_SPACE(szLine[cch - 1])) )
2354 szLine[--cch] = '\0';
2355 if (cBefore-- <= 0)
2356 break;
2357
2358 rc = DBGCCmdHlpPrintf(pCmdHlp, " %4d: %s\n", Line.uLineNo - cBefore - 1, szLine);
2359 szLine[0] = '\0';
2360 const char *pszShutUpGcc = fgets(szLine, sizeof(szLine), phFile); NOREF(pszShutUpGcc);
2361 cLines++;
2362 }
2363 /* print the actual line */
2364 rc = DBGCCmdHlpPrintf(pCmdHlp, "%08llx %4d: %s\n", Line.Address, Line.uLineNo, szLine);
2365 }
2366 fclose(phFile);
2367 if (RT_FAILURE(rc))
2368 return rc;
2369 fFirst = false;
2370 }
2371 else
2372 return DBGCCmdHlpPrintf(pCmdHlp, "Warning: couldn't open source file '%s'\n", Line.szFilename);
2373
2374 LinePrev = Line;
2375 }
2376
2377
2378 /*
2379 * Advance
2380 */
2381 if (iRangeLeft < 0) /* 'r' */
2382 break;
2383 if (pDbgc->SourcePos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
2384 iRangeLeft -= cLines;
2385 else
2386 iRangeLeft -= 1;
2387 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "(%Dv) + %x", &pDbgc->SourcePos, 1);
2388 if (RT_FAILURE(rc))
2389 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->SourcePos, 1);
2390 if (iRangeLeft <= 0)
2391 break;
2392 }
2393
2394 NOREF(pCmd);
2395 return 0;
2396}
2397
2398
2399/**
2400 * @callback_method_impl{FNDBGCCMD, The 'r' command.}
2401 */
2402static DECLCALLBACK(int) dbgcCmdReg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2403{
2404 return dbgcCmdRegGuest(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
2405}
2406
2407
2408/**
2409 * @callback_method_impl{FNDBGCCMD, Common worker for the dbgcCmdReg*()
2410 * commands.}
2411 */
2412static DECLCALLBACK(int) dbgcCmdRegCommon(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs,
2413 const char *pszPrefix)
2414{
2415 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2416 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 || cArgs == 2 || cArgs == 3);
2417 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING
2418 || paArgs[0].enmType == DBGCVAR_TYPE_SYMBOL);
2419
2420 /*
2421 * Parse the register name and kind.
2422 */
2423 const char *pszReg = paArgs[0].u.pszString;
2424 if (*pszReg == '@')
2425 pszReg++;
2426 VMCPUID idCpu = pDbgc->idCpu;
2427 if (*pszPrefix)
2428 idCpu |= DBGFREG_HYPER_VMCPUID;
2429 if (*pszReg == '.')
2430 {
2431 pszReg++;
2432 idCpu |= DBGFREG_HYPER_VMCPUID;
2433 }
2434 const char * const pszActualPrefix = idCpu & DBGFREG_HYPER_VMCPUID ? "." : "";
2435
2436 /*
2437 * Query the register type & value (the setter needs the type).
2438 */
2439 DBGFREGVALTYPE enmType;
2440 DBGFREGVAL Value;
2441 int rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType);
2442 if (RT_FAILURE(rc))
2443 {
2444 if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
2445 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
2446 pszActualPrefix, pszReg);
2447 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n",
2448 pszActualPrefix, pszReg, rc);
2449 }
2450 if (cArgs == 1)
2451 {
2452 /*
2453 * Show the register.
2454 */
2455 char szValue[160];
2456 rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &Value, enmType, true /*fSpecial*/);
2457 if (RT_SUCCESS(rc))
2458 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, pszReg, szValue);
2459 else
2460 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2461 }
2462 else
2463 {
2464 DBGCVAR NewValueTmp;
2465 PCDBGCVAR pNewValue;
2466 if (cArgs == 3)
2467 {
2468 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, paArgs[1].enmType == DBGCVAR_TYPE_STRING);
2469 if (strcmp(paArgs[1].u.pszString, "="))
2470 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Second argument must be '='.");
2471 pNewValue = &paArgs[2];
2472 }
2473 else
2474 {
2475 /* Not possible to convince the parser to support both codeview and
2476 windbg syntax and make the equal sign optional. Try help it. */
2477 /** @todo make DBGCCmdHlpConvert do more with strings. */
2478 rc = DBGCCmdHlpConvert(pCmdHlp, &paArgs[1], DBGCVAR_TYPE_NUMBER, true /*fConvSyms*/, &NewValueTmp);
2479 if (RT_FAILURE(rc))
2480 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "The last argument must be a value or valid symbol.");
2481 pNewValue = &NewValueTmp;
2482 }
2483
2484 /*
2485 * Modify the register.
2486 */
2487 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, pNewValue->enmType == DBGCVAR_TYPE_NUMBER);
2488 if (enmType != DBGFREGVALTYPE_DTR)
2489 {
2490 enmType = DBGFREGVALTYPE_U64;
2491 rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.u64);
2492 }
2493 else
2494 {
2495 enmType = DBGFREGVALTYPE_DTR;
2496 rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.dtr.u64Base);
2497 if (RT_SUCCESS(rc) && pNewValue->enmRangeType != DBGCVAR_RANGE_NONE)
2498 Value.dtr.u32Limit = (uint32_t)pNewValue->u64Range;
2499 }
2500 if (RT_SUCCESS(rc))
2501 {
2502 rc = DBGFR3RegNmSet(pUVM, idCpu, pszReg, &Value, enmType);
2503 if (RT_FAILURE(rc))
2504 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmSet failed settings '%s%s': %Rrc\n",
2505 pszActualPrefix, pszReg, rc);
2506 if (rc != VINF_SUCCESS)
2507 DBGCCmdHlpPrintf(pCmdHlp, "%s: warning: %Rrc\n", pCmd->pszCmd, rc);
2508 }
2509 else
2510 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2511 }
2512 return rc;
2513}
2514
2515
2516/**
2517 * @callback_method_impl{FNDBGCCMD,
2518 * The 'rg'\, 'rg64' and 'rg32' commands\, worker for 'r'.}
2519 */
2520static DECLCALLBACK(int) dbgcCmdRegGuest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2521{
2522 /*
2523 * Show all registers our selves.
2524 */
2525 if (cArgs == 0)
2526 {
2527 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2528 bool const f64BitMode = !strcmp(pCmd->pszCmd, "rg64")
2529 || ( strcmp(pCmd->pszCmd, "rg32") != 0
2530 && DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu));
2531 return DBGCCmdHlpRegPrintf(pCmdHlp, pDbgc->idCpu, f64BitMode, pDbgc->fRegTerse);
2532 }
2533 return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, "");
2534}
2535
2536
2537/**
2538 * @callback_method_impl{FNDBGCCMD, The 'rt' command.}
2539 */
2540static DECLCALLBACK(int) dbgcCmdRegTerse(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2541{
2542 NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2543
2544 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2545 pDbgc->fRegTerse = !pDbgc->fRegTerse;
2546 return DBGCCmdHlpPrintf(pCmdHlp, pDbgc->fRegTerse ? "info: Terse register info.\n" : "info: Verbose register info.\n");
2547}
2548
2549
2550/**
2551 * @callback_method_impl{FNDBGCCMD, The 'pr' and 'tr' commands.}
2552 */
2553static DECLCALLBACK(int) dbgcCmdStepTraceToggle(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2554{
2555 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2556 Assert(cArgs == 0); NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2557
2558 /* Note! windbg accepts 'r' as a flag to 'p', 'pa', 'pc', 'pt', 't',
2559 'ta', 'tc' and 'tt'. We've simplified it. */
2560 pDbgc->fStepTraceRegs = !pDbgc->fStepTraceRegs;
2561 return VINF_SUCCESS;
2562}
2563
2564
2565/**
2566 * @callback_method_impl{FNDBGCCMD, The 'p'\, 'pc'\, 'pt'\, 't'\, 'tc'\, and 'tt' commands.}
2567 */
2568static DECLCALLBACK(int) dbgcCmdStepTrace(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2569{
2570 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2571 if (cArgs != 0)
2572 return DBGCCmdHlpFail(pCmdHlp, pCmd,
2573 "Sorry, but the '%s' command does not currently implement any arguments.\n", pCmd->pszCmd);
2574
2575 /* The 'count' has to be implemented by DBGC, whereas the
2576 filtering is taken care of by DBGF. */
2577
2578 /*
2579 * Convert the command to DBGF_STEP_F_XXX and other API input.
2580 */
2581 //DBGFADDRESS StackPop;
2582 PDBGFADDRESS pStackPop = NULL;
2583 RTGCPTR cbStackPop = 0;
2584 uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : _64K;
2585 uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2586 if (pCmd->pszCmd[1] == 'c')
2587 fFlags |= DBGF_STEP_F_STOP_ON_CALL;
2588 else if (pCmd->pszCmd[1] == 't')
2589 fFlags |= DBGF_STEP_F_STOP_ON_RET;
2590 else if (pCmd->pszCmd[0] != 'p')
2591 cMaxSteps = 1;
2592 else
2593 {
2594 /** @todo consider passing RSP + 1 in for 'p' and something else sensible for
2595 * the 'pt' command. */
2596 }
2597
2598 int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, NULL, pStackPop, cbStackPop, cMaxSteps);
2599 if (RT_SUCCESS(rc))
2600 pDbgc->fReady = false;
2601 else
2602 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2603
2604 NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
2605 return rc;
2606}
2607
2608
2609/**
2610 * @callback_method_impl{FNDBGCCMD, The 'pa' and 'ta' commands.}
2611 */
2612static DECLCALLBACK(int) dbgcCmdStepTraceTo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2613{
2614 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2615 if (cArgs != 1)
2616 return DBGCCmdHlpFail(pCmdHlp, pCmd,
2617 "Sorry, but the '%s' command only implements a single argument at present.\n", pCmd->pszCmd);
2618 DBGFADDRESS Address;
2619 int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
2620 if (RT_FAILURE(rc))
2621 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[0]);
2622
2623 uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : 1;
2624 uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2625 rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, &Address, NULL, 0, cMaxSteps);
2626 if (RT_SUCCESS(rc))
2627 pDbgc->fReady = false;
2628 else
2629 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2630 return rc;
2631}
2632
2633
2634/**
2635 * Helper that tries to resolve a far address to a symbol and formats it.
2636 *
2637 * @returns Pointer to symbol string on success, NULL if not resolved.
2638 * Free using RTStrFree.
2639 * @param pCmdHlp The command helper structure.
2640 * @param hAs The address space to use. NIL_RTDBGAS means no symbol resolving.
2641 * @param sel The selector part of the address.
2642 * @param off The offset part of the address.
2643 * @param pszPrefix How to prefix the symbol string.
2644 * @param pszSuffix How to suffix the symbol string.
2645 */
2646static char *dbgcCmdHlpFarAddrToSymbol(PDBGCCMDHLP pCmdHlp, RTDBGAS hAs, RTSEL sel, uint64_t off,
2647 const char *pszPrefix, const char *pszSuffix)
2648{
2649 char *pszRet = NULL;
2650 if (hAs != NIL_RTDBGAS)
2651 {
2652 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2653 DBGFADDRESS Addr;
2654 int rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr, sel, off);
2655 if (RT_SUCCESS(rc))
2656 {
2657 RTGCINTPTR offDispSym = 0;
2658 PRTDBGSYMBOL pSymbol = DBGFR3AsSymbolByAddrA(pDbgc->pUVM, hAs, &Addr,
2659 RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL
2660 | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
2661 &offDispSym, NULL);
2662 if (pSymbol)
2663 {
2664 if (offDispSym == 0)
2665 pszRet = RTStrAPrintf2("%s%s%s", pszPrefix, pSymbol->szName, pszSuffix);
2666 else if (offDispSym > 0)
2667 pszRet = RTStrAPrintf2("%s%s+%llx%s", pszPrefix, pSymbol->szName, (int64_t)offDispSym, pszSuffix);
2668 else
2669 pszRet = RTStrAPrintf2("%s%s-%llx%s", pszPrefix, pSymbol->szName, -(int64_t)offDispSym, pszSuffix);
2670 RTDbgSymbolFree(pSymbol);
2671 }
2672 }
2673 }
2674 return pszRet;
2675}
2676
2677
2678/**
2679 * @callback_method_impl{FNDBGCCMD, The 'k'\, 'kg' and 'kh' commands.}
2680 */
2681static DECLCALLBACK(int) dbgcCmdStack(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2682{
2683 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2684
2685 /*
2686 * Figure which context we're called for and start walking that stack.
2687 */
2688 int rc;
2689 PCDBGFSTACKFRAME pFirstFrame;
2690 bool const fGuest = true;
2691 bool const fVerbose = pCmd->pszCmd[1] == 'v'
2692 || (pCmd->pszCmd[1] != '\0' && pCmd->pszCmd[2] == 'v');
2693 rc = DBGFR3StackWalkBegin(pUVM, pDbgc->idCpu, fGuest ? DBGFCODETYPE_GUEST : DBGFCODETYPE_HYPER, &pFirstFrame);
2694 if (RT_FAILURE(rc))
2695 return DBGCCmdHlpPrintf(pCmdHlp, "Failed to begin stack walk, rc=%Rrc\n", rc);
2696
2697 /*
2698 * Print the frames.
2699 */
2700 char szTmp[1024];
2701 uint32_t fBitFlags = 0;
2702 for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
2703 pFrame;
2704 pFrame = DBGFR3StackWalkNext(pFrame))
2705 {
2706 uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT | DBGFSTACKFRAME_FLAGS_32BIT | DBGFSTACKFRAME_FLAGS_64BIT);
2707 if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
2708 {
2709 if (fCurBitFlags != fBitFlags)
2710 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2711 rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2712 pFrame->iFrame,
2713 pFrame->AddrFrame.Sel,
2714 (uint16_t)pFrame->AddrFrame.off,
2715 pFrame->AddrReturnFrame.Sel,
2716 (uint16_t)pFrame->AddrReturnFrame.off,
2717 (uint32_t)pFrame->AddrReturnPC.Sel,
2718 (uint32_t)pFrame->AddrReturnPC.off,
2719 pFrame->Args.au32[0],
2720 pFrame->Args.au32[1],
2721 pFrame->Args.au32[2],
2722 pFrame->Args.au32[3]);
2723 }
2724 else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
2725 {
2726 if (fCurBitFlags != fBitFlags)
2727 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2728 rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2729 pFrame->iFrame,
2730 (uint32_t)pFrame->AddrFrame.off,
2731 (uint32_t)pFrame->AddrReturnFrame.off,
2732 (uint32_t)pFrame->AddrReturnPC.Sel,
2733 (uint32_t)pFrame->AddrReturnPC.off,
2734 pFrame->Args.au32[0],
2735 pFrame->Args.au32[1],
2736 pFrame->Args.au32[2],
2737 pFrame->Args.au32[3]);
2738 }
2739 else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
2740 {
2741 if (fCurBitFlags != fBitFlags)
2742 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
2743 rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %016RX64 %04RX16:%016RX64 %016RX64",
2744 pFrame->iFrame,
2745 (uint64_t)pFrame->AddrFrame.off,
2746 pFrame->AddrReturnFrame.Sel,
2747 (uint64_t)pFrame->AddrReturnFrame.off,
2748 (uint64_t)pFrame->AddrReturnPC.off);
2749 }
2750 if (RT_FAILURE(rc))
2751 break;
2752 if (!pFrame->pSymPC)
2753 rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
2754 fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
2755 ? " %RTsel:%016RGv"
2756 : fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
2757 ? " %RTsel:%08RGv"
2758 : " %RTsel:%04RGv"
2759 , pFrame->AddrPC.Sel, pFrame->AddrPC.off);
2760 else
2761 {
2762 RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
2763 if (offDisp > 0)
2764 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
2765 else if (offDisp < 0)
2766 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
2767 else
2768 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", pFrame->pSymPC->szName);
2769 }
2770 if (RT_SUCCESS(rc) && pFrame->pLinePC)
2771 rc = DBGCCmdHlpPrintf(pCmdHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
2772 if (RT_SUCCESS(rc))
2773 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2774
2775 if (fVerbose && RT_SUCCESS(rc))
2776 {
2777 /*
2778 * Display verbose frame info.
2779 */
2780 const char *pszRetType = "invalid";
2781 switch (pFrame->enmReturnType)
2782 {
2783 case RTDBGRETURNTYPE_NEAR16: pszRetType = "retn/16"; break;
2784 case RTDBGRETURNTYPE_NEAR32: pszRetType = "retn/32"; break;
2785 case RTDBGRETURNTYPE_NEAR64: pszRetType = "retn/64"; break;
2786 case RTDBGRETURNTYPE_FAR16: pszRetType = "retf/16"; break;
2787 case RTDBGRETURNTYPE_FAR32: pszRetType = "retf/32"; break;
2788 case RTDBGRETURNTYPE_FAR64: pszRetType = "retf/64"; break;
2789 case RTDBGRETURNTYPE_IRET16: pszRetType = "iret-16"; break;
2790 case RTDBGRETURNTYPE_IRET32: pszRetType = "iret/32s"; break;
2791 case RTDBGRETURNTYPE_IRET32_PRIV: pszRetType = "iret/32p"; break;
2792 case RTDBGRETURNTYPE_IRET32_V86: pszRetType = "iret/v86"; break;
2793 case RTDBGRETURNTYPE_IRET64: pszRetType = "iret/64"; break;
2794
2795 case RTDBGRETURNTYPE_END:
2796 case RTDBGRETURNTYPE_INVALID:
2797 case RTDBGRETURNTYPE_32BIT_HACK:
2798 break;
2799 }
2800 size_t cchLine = DBGCCmdHlpPrintfLen(pCmdHlp, " %s", pszRetType);
2801 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_UNWIND_INFO)
2802 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-unwind-info");
2803 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_ODD_EVEN)
2804 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-odd-even");
2805 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_REAL_V86)
2806 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " real-v86");
2807 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_MAX_DEPTH)
2808 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " max-depth");
2809 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_TRAP_FRAME)
2810 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " trap-frame");
2811
2812 if (pFrame->cSureRegs > 0)
2813 {
2814 cchLine = 1024; /* force new line */
2815 for (uint32_t i = 0; i < pFrame->cSureRegs; i++)
2816 {
2817 if (cchLine > 80)
2818 {
2819 DBGCCmdHlpPrintf(pCmdHlp, "\n ");
2820 cchLine = 2;
2821 }
2822
2823 szTmp[0] = '\0';
2824 DBGFR3RegFormatValue(szTmp, sizeof(szTmp), &pFrame->paSureRegs[i].Value,
2825 pFrame->paSureRegs[i].enmType, false);
2826 const char *pszName = pFrame->paSureRegs[i].enmReg != DBGFREG_END
2827 ? DBGFR3RegCpuName(pUVM, pFrame->paSureRegs[i].enmReg, pFrame->paSureRegs[i].enmType)
2828 : pFrame->paSureRegs[i].pszName;
2829 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " %s=%s", pszName, szTmp);
2830 }
2831 }
2832
2833 if (RT_SUCCESS(rc))
2834 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2835 }
2836
2837 if (RT_FAILURE(rc))
2838 break;
2839
2840 fBitFlags = fCurBitFlags;
2841 }
2842
2843 DBGFR3StackWalkEnd(pFirstFrame);
2844
2845 NOREF(paArgs); NOREF(cArgs);
2846 return rc;
2847}
2848
2849
2850/**
2851 * Worker function that displays one descriptor entry (GDT, LDT, IDT).
2852 *
2853 * @returns pfnPrintf status code.
2854 * @param pCmdHlp The DBGC command helpers.
2855 * @param pDesc The descriptor to display.
2856 * @param iEntry The descriptor entry number.
2857 * @param fHyper Whether the selector belongs to the hypervisor or not.
2858 * @param hAs Address space to use when resolving symbols.
2859 * @param pfDblEntry Where to indicate whether the entry is two entries wide.
2860 * Optional.
2861 */
2862static int dbgcCmdDumpDTWorker64(PDBGCCMDHLP pCmdHlp, PCX86DESC64 pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs,
2863 bool *pfDblEntry)
2864{
2865 /* GUEST64 */
2866 int rc;
2867
2868 const char *pszHyper = fHyper ? " HYPER" : "";
2869 const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
2870 if (pDesc->Gen.u1DescType)
2871 {
2872 static const char * const s_apszTypes[] =
2873 {
2874 "DataRO", /* 0 Read-Only */
2875 "DataRO", /* 1 Read-Only - Accessed */
2876 "DataRW", /* 2 Read/Write */
2877 "DataRW", /* 3 Read/Write - Accessed */
2878 "DownRO", /* 4 Expand-down, Read-Only */
2879 "DownRO", /* 5 Expand-down, Read-Only - Accessed */
2880 "DownRW", /* 6 Expand-down, Read/Write */
2881 "DownRW", /* 7 Expand-down, Read/Write - Accessed */
2882 "CodeEO", /* 8 Execute-Only */
2883 "CodeEO", /* 9 Execute-Only - Accessed */
2884 "CodeER", /* A Execute/Readable */
2885 "CodeER", /* B Execute/Readable - Accessed */
2886 "ConfE0", /* C Conforming, Execute-Only */
2887 "ConfE0", /* D Conforming, Execute-Only - Accessed */
2888 "ConfER", /* E Conforming, Execute/Readable */
2889 "ConfER" /* F Conforming, Execute/Readable - Accessed */
2890 };
2891 const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
2892 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
2893 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2894 uint32_t u32Base = X86DESC_BASE(pDesc);
2895 uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2896
2897 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
2898 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
2899 pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
2900 pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
2901 }
2902 else
2903 {
2904 static const char * const s_apszTypes[] =
2905 {
2906 "Ill-0 ", /* 0 0000 Reserved (Illegal) */
2907 "Ill-1 ", /* 1 0001 Available 16-bit TSS */
2908 "LDT ", /* 2 0010 LDT */
2909 "Ill-3 ", /* 3 0011 Busy 16-bit TSS */
2910 "Ill-4 ", /* 4 0100 16-bit Call Gate */
2911 "Ill-5 ", /* 5 0101 Task Gate */
2912 "Ill-6 ", /* 6 0110 16-bit Interrupt Gate */
2913 "Ill-7 ", /* 7 0111 16-bit Trap Gate */
2914 "Ill-8 ", /* 8 1000 Reserved (Illegal) */
2915 "Tss64A", /* 9 1001 Available 32-bit TSS */
2916 "Ill-A ", /* A 1010 Reserved (Illegal) */
2917 "Tss64B", /* B 1011 Busy 32-bit TSS */
2918 "Call64", /* C 1100 32-bit Call Gate */
2919 "Ill-D ", /* D 1101 Reserved (Illegal) */
2920 "Int64 ", /* E 1110 32-bit Interrupt Gate */
2921 "Trap64" /* F 1111 32-bit Trap Gate */
2922 };
2923 switch (pDesc->Gen.u4Type)
2924 {
2925 /* raw */
2926 case X86_SEL_TYPE_SYS_UNDEFINED:
2927 case X86_SEL_TYPE_SYS_UNDEFINED2:
2928 case X86_SEL_TYPE_SYS_UNDEFINED4:
2929 case X86_SEL_TYPE_SYS_UNDEFINED3:
2930 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
2931 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
2932 case X86_SEL_TYPE_SYS_286_CALL_GATE:
2933 case X86_SEL_TYPE_SYS_286_INT_GATE:
2934 case X86_SEL_TYPE_SYS_286_TRAP_GATE:
2935 case X86_SEL_TYPE_SYS_TASK_GATE:
2936 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
2937 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
2938 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
2939 break;
2940
2941 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
2942 case X86_SEL_TYPE_SYS_386_TSS_BUSY:
2943 case X86_SEL_TYPE_SYS_LDT:
2944 {
2945 const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
2946 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2947 const char *pszLong = pDesc->Gen.u1Long ? "LONG" : " ";
2948
2949 uint64_t u64Base = X86DESC64_BASE(pDesc);
2950 uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2951
2952 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%016RX64 Lim=%08x DPL=%d %s %s %s %sAVL=%d R=%d%s\n",
2953 iEntry, s_apszTypes[pDesc->Gen.u4Type], u64Base, cbLimit,
2954 pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszLong, pszBig,
2955 pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1),
2956 pszHyper);
2957 if (pfDblEntry)
2958 *pfDblEntry = true;
2959 break;
2960 }
2961
2962 case X86_SEL_TYPE_SYS_386_CALL_GATE:
2963 {
2964 unsigned cParams = pDesc->au8[4] & 0x1f;
2965 const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
2966 RTSEL sel = pDesc->au16[1];
2967 uint64_t off = pDesc->au16[0]
2968 | ((uint64_t)pDesc->au16[3] << 16)
2969 | ((uint64_t)pDesc->Gen.u32BaseHigh3 << 32);
2970 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
2971 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%d %s %s=%d%s%s\n",
2972 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
2973 pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : "");
2974 RTStrFree(pszSymbol);
2975 if (pfDblEntry)
2976 *pfDblEntry = true;
2977 break;
2978 }
2979
2980 case X86_SEL_TYPE_SYS_386_INT_GATE:
2981 case X86_SEL_TYPE_SYS_386_TRAP_GATE:
2982 {
2983 RTSEL sel = pDesc->Gate.u16Sel;
2984 uint64_t off = pDesc->Gate.u16OffsetLow
2985 | ((uint64_t)pDesc->Gate.u16OffsetHigh << 16)
2986 | ((uint64_t)pDesc->Gate.u32OffsetTop << 32);
2987 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
2988 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%u %s IST=%u%s%s\n",
2989 iEntry, s_apszTypes[pDesc->Gate.u4Type], sel, off,
2990 pDesc->Gate.u2Dpl, pszPresent, pDesc->Gate.u3IST, pszHyper, pszSymbol ? pszSymbol : "");
2991 RTStrFree(pszSymbol);
2992 if (pfDblEntry)
2993 *pfDblEntry = true;
2994 break;
2995 }
2996
2997 /* impossible, just it's necessary to keep gcc happy. */
2998 default:
2999 return VINF_SUCCESS;
3000 }
3001 }
3002 return VINF_SUCCESS;
3003}
3004
3005
3006/**
3007 * Worker function that displays one descriptor entry (GDT, LDT, IDT).
3008 *
3009 * @returns pfnPrintf status code.
3010 * @param pCmdHlp The DBGC command helpers.
3011 * @param pDesc The descriptor to display.
3012 * @param iEntry The descriptor entry number.
3013 * @param fHyper Whether the selector belongs to the hypervisor or not.
3014 * @param hAs Address space to use when resolving symbols.
3015 */
3016static int dbgcCmdDumpDTWorker32(PDBGCCMDHLP pCmdHlp, PCX86DESC pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs)
3017{
3018 int rc;
3019
3020 const char *pszHyper = fHyper ? " HYPER" : "";
3021 const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
3022 if (pDesc->Gen.u1DescType)
3023 {
3024 static const char * const s_apszTypes[] =
3025 {
3026 "DataRO", /* 0 Read-Only */
3027 "DataRO", /* 1 Read-Only - Accessed */
3028 "DataRW", /* 2 Read/Write */
3029 "DataRW", /* 3 Read/Write - Accessed */
3030 "DownRO", /* 4 Expand-down, Read-Only */
3031 "DownRO", /* 5 Expand-down, Read-Only - Accessed */
3032 "DownRW", /* 6 Expand-down, Read/Write */
3033 "DownRW", /* 7 Expand-down, Read/Write - Accessed */
3034 "CodeEO", /* 8 Execute-Only */
3035 "CodeEO", /* 9 Execute-Only - Accessed */
3036 "CodeER", /* A Execute/Readable */
3037 "CodeER", /* B Execute/Readable - Accessed */
3038 "ConfE0", /* C Conforming, Execute-Only */
3039 "ConfE0", /* D Conforming, Execute-Only - Accessed */
3040 "ConfER", /* E Conforming, Execute/Readable */
3041 "ConfER" /* F Conforming, Execute/Readable - Accessed */
3042 };
3043 const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
3044 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3045 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3046 uint32_t u32Base = pDesc->Gen.u16BaseLow
3047 | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3048 | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3049 uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16);
3050 if (pDesc->Gen.u1Granularity)
3051 cbLimit <<= PAGE_SHIFT;
3052
3053 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
3054 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3055 pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
3056 pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
3057 }
3058 else
3059 {
3060 static const char * const s_apszTypes[] =
3061 {
3062 "Ill-0 ", /* 0 0000 Reserved (Illegal) */
3063 "Tss16A", /* 1 0001 Available 16-bit TSS */
3064 "LDT ", /* 2 0010 LDT */
3065 "Tss16B", /* 3 0011 Busy 16-bit TSS */
3066 "Call16", /* 4 0100 16-bit Call Gate */
3067 "TaskG ", /* 5 0101 Task Gate */
3068 "Int16 ", /* 6 0110 16-bit Interrupt Gate */
3069 "Trap16", /* 7 0111 16-bit Trap Gate */
3070 "Ill-8 ", /* 8 1000 Reserved (Illegal) */
3071 "Tss32A", /* 9 1001 Available 32-bit TSS */
3072 "Ill-A ", /* A 1010 Reserved (Illegal) */
3073 "Tss32B", /* B 1011 Busy 32-bit TSS */
3074 "Call32", /* C 1100 32-bit Call Gate */
3075 "Ill-D ", /* D 1101 Reserved (Illegal) */
3076 "Int32 ", /* E 1110 32-bit Interrupt Gate */
3077 "Trap32" /* F 1111 32-bit Trap Gate */
3078 };
3079 switch (pDesc->Gen.u4Type)
3080 {
3081 /* raw */
3082 case X86_SEL_TYPE_SYS_UNDEFINED:
3083 case X86_SEL_TYPE_SYS_UNDEFINED2:
3084 case X86_SEL_TYPE_SYS_UNDEFINED4:
3085 case X86_SEL_TYPE_SYS_UNDEFINED3:
3086 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
3087 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
3088 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3089 break;
3090
3091 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
3092 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
3093 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
3094 case X86_SEL_TYPE_SYS_386_TSS_BUSY:
3095 case X86_SEL_TYPE_SYS_LDT:
3096 {
3097 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3098 const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
3099 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3100 uint32_t u32Base = pDesc->Gen.u16BaseLow
3101 | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3102 | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3103 uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16);
3104 if (pDesc->Gen.u1Granularity)
3105 cbLimit <<= PAGE_SHIFT;
3106
3107 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d R=%d%s\n",
3108 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3109 pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszGranularity, pszBig,
3110 pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1),
3111 pszHyper);
3112 break;
3113 }
3114
3115 case X86_SEL_TYPE_SYS_TASK_GATE:
3116 {
3117 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s TSS=%04x DPL=%d %s%s\n",
3118 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc->au16[1],
3119 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3120 break;
3121 }
3122
3123 case X86_SEL_TYPE_SYS_286_CALL_GATE:
3124 case X86_SEL_TYPE_SYS_386_CALL_GATE:
3125 {
3126 unsigned cParams = pDesc->au8[4] & 0x1f;
3127 const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
3128 RTSEL sel = pDesc->au16[1];
3129 uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16);
3130 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3131 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s %s=%d%s%s\n",
3132 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3133 pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : "");
3134 RTStrFree(pszSymbol);
3135 break;
3136 }
3137
3138 case X86_SEL_TYPE_SYS_286_INT_GATE:
3139 case X86_SEL_TYPE_SYS_386_INT_GATE:
3140 case X86_SEL_TYPE_SYS_286_TRAP_GATE:
3141 case X86_SEL_TYPE_SYS_386_TRAP_GATE:
3142 {
3143 RTSEL sel = pDesc->au16[1];
3144 uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16);
3145 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3146 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s%s%s\n",
3147 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3148 pDesc->Gen.u2Dpl, pszPresent, pszHyper, pszSymbol ? pszSymbol : "");
3149 RTStrFree(pszSymbol);
3150 break;
3151 }
3152
3153 /* impossible, just it's necessary to keep gcc happy. */
3154 default:
3155 return VINF_SUCCESS;
3156 }
3157 }
3158 return rc;
3159}
3160
3161
3162/**
3163 * @callback_method_impl{FNDBGCCMD, The 'dg'\, 'dga'\, 'dl' and 'dla' commands.}
3164 */
3165static DECLCALLBACK(int) dbgcCmdDumpDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3166{
3167 /*
3168 * Validate input.
3169 */
3170 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3171
3172 /*
3173 * Get the CPU mode, check which command variation this is
3174 * and fix a default parameter if needed.
3175 */
3176 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3177 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
3178 CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
3179 bool fGdt = pCmd->pszCmd[1] == 'g';
3180 bool fAll = pCmd->pszCmd[2] == 'a';
3181 RTSEL SelTable = fGdt ? 0 : X86_SEL_LDT;
3182
3183 DBGCVAR Var;
3184 if (!cArgs)
3185 {
3186 cArgs = 1;
3187 paArgs = &Var;
3188 Var.enmType = DBGCVAR_TYPE_NUMBER;
3189 Var.u.u64Number = fGdt ? 0 : 4;
3190 Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3191 Var.u64Range = 1024;
3192 }
3193
3194 /*
3195 * Process the arguments.
3196 */
3197 for (unsigned i = 0; i < cArgs; i++)
3198 {
3199 /*
3200 * Retrieve the selector value from the argument.
3201 * The parser may confuse pointers and numbers if more than one
3202 * argument is given, that that into account.
3203 */
3204 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER || DBGCVAR_ISPOINTER(paArgs[i].enmType));
3205 uint64_t u64;
3206 unsigned cSels = 1;
3207 switch (paArgs[i].enmType)
3208 {
3209 case DBGCVAR_TYPE_NUMBER:
3210 u64 = paArgs[i].u.u64Number;
3211 if (paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE)
3212 cSels = RT_MIN(paArgs[i].u64Range, 1024);
3213 break;
3214 case DBGCVAR_TYPE_GC_FAR: u64 = paArgs[i].u.GCFar.sel; break;
3215 case DBGCVAR_TYPE_GC_FLAT: u64 = paArgs[i].u.GCFlat; break;
3216 case DBGCVAR_TYPE_GC_PHYS: u64 = paArgs[i].u.GCPhys; break;
3217 case DBGCVAR_TYPE_HC_FLAT: u64 = (uintptr_t)paArgs[i].u.pvHCFlat; break;
3218 case DBGCVAR_TYPE_HC_PHYS: u64 = paArgs[i].u.HCPhys; break;
3219 default: u64 = _64K; break;
3220 }
3221 if (u64 < _64K)
3222 {
3223 unsigned Sel = (RTSEL)u64;
3224
3225 /*
3226 * Dump the specified range.
3227 */
3228 bool fSingle = cSels == 1;
3229 while ( cSels-- > 0
3230 && Sel < _64K)
3231 {
3232 DBGFSELINFO SelInfo;
3233 int rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, Sel | SelTable, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
3234 if (RT_SUCCESS(rc))
3235 {
3236 if (SelInfo.fFlags & DBGFSELINFO_FLAGS_REAL_MODE)
3237 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x RealM Bas=%04x Lim=%04x\n",
3238 Sel, (unsigned)SelInfo.GCPtrBase, (unsigned)SelInfo.cbLimit);
3239 else if ( fAll
3240 || fSingle
3241 || SelInfo.u.Raw.Gen.u1Present)
3242 {
3243 if (enmMode == CPUMMODE_PROTECTED)
3244 rc = dbgcCmdDumpDTWorker32(pCmdHlp, &SelInfo.u.Raw, Sel,
3245 !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL);
3246 else
3247 {
3248 bool fDblSkip = false;
3249 rc = dbgcCmdDumpDTWorker64(pCmdHlp, &SelInfo.u.Raw64, Sel,
3250 !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL, &fDblSkip);
3251 if (fDblSkip)
3252 Sel += 4;
3253 }
3254 }
3255 }
3256 else
3257 {
3258 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %Rrc\n", Sel, rc);
3259 if (!fAll)
3260 return rc;
3261 }
3262 if (RT_FAILURE(rc))
3263 return rc;
3264
3265 /* next */
3266 Sel += 8;
3267 }
3268 }
3269 else
3270 DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds\n", u64);
3271 }
3272
3273 return VINF_SUCCESS;
3274}
3275
3276
3277/**
3278 * @callback_method_impl{FNDBGCCMD, The 'di' and 'dia' commands.}
3279 */
3280static DECLCALLBACK(int) dbgcCmdDumpIDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3281{
3282 /*
3283 * Validate input.
3284 */
3285 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3286
3287 /*
3288 * Establish some stuff like the current IDTR and CPU mode,
3289 * and fix a default parameter.
3290 */
3291 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3292 CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp);
3293 uint16_t cbLimit = 0;
3294 uint64_t GCFlat = 0;
3295 int rc = DBGFR3RegCpuQueryXdtr(pDbgc->pUVM, pDbgc->idCpu, DBGFREG_IDTR, &GCFlat, &cbLimit);
3296 if (RT_FAILURE(rc))
3297 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3RegCpuQueryXdtr/DBGFREG_IDTR");
3298 unsigned cbEntry;
3299 switch (enmMode)
3300 {
3301 case CPUMMODE_REAL: cbEntry = sizeof(RTFAR16); break;
3302 case CPUMMODE_PROTECTED: cbEntry = sizeof(X86DESC); break;
3303 case CPUMMODE_LONG: cbEntry = sizeof(X86DESC64); break;
3304 default:
3305 return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid CPU mode %d.\n", enmMode);
3306 }
3307
3308 bool fAll = pCmd->pszCmd[2] == 'a';
3309 DBGCVAR Var;
3310 if (!cArgs)
3311 {
3312 cArgs = 1;
3313 paArgs = &Var;
3314 Var.enmType = DBGCVAR_TYPE_NUMBER;
3315 Var.u.u64Number = 0;
3316 Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3317 Var.u64Range = 256;
3318 }
3319
3320 /*
3321 * Process the arguments.
3322 */
3323 for (unsigned i = 0; i < cArgs; i++)
3324 {
3325 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER);
3326 if (paArgs[i].u.u64Number < 256)
3327 {
3328 RTGCUINTPTR iInt = (RTGCUINTPTR)paArgs[i].u.u64Number;
3329 unsigned cInts = paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE
3330 ? paArgs[i].u64Range
3331 : 1;
3332 bool fSingle = cInts == 1;
3333 while ( cInts-- > 0
3334 && iInt < 256)
3335 {
3336 /*
3337 * Try read it.
3338 */
3339 union
3340 {
3341 RTFAR16 Real;
3342 X86DESC Prot;
3343 X86DESC64 Long;
3344 } u;
3345 if (iInt * cbEntry + (cbEntry - 1) > cbLimit)
3346 {
3347 DBGCCmdHlpPrintf(pCmdHlp, "%04x not within the IDT\n", (unsigned)iInt);
3348 if (!fAll && !fSingle)
3349 return VINF_SUCCESS;
3350 }
3351 DBGCVAR AddrVar;
3352 AddrVar.enmType = DBGCVAR_TYPE_GC_FLAT;
3353 AddrVar.u.GCFlat = GCFlat + iInt * cbEntry;
3354 AddrVar.enmRangeType = DBGCVAR_RANGE_NONE;
3355 rc = pCmdHlp->pfnMemRead(pCmdHlp, &u, cbEntry, &AddrVar, NULL);
3356 if (RT_FAILURE(rc))
3357 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading IDT entry %#04x.\n", (unsigned)iInt);
3358
3359 /*
3360 * Display it.
3361 */
3362 switch (enmMode)
3363 {
3364 case CPUMMODE_REAL:
3365 {
3366 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, DBGF_AS_GLOBAL, u.Real.sel, u.Real.off, " (", ")");
3367 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %RTfp16%s\n", (unsigned)iInt, u.Real, pszSymbol ? pszSymbol : "");
3368 RTStrFree(pszSymbol);
3369 break;
3370 }
3371 case CPUMMODE_PROTECTED:
3372 if (fAll || fSingle || u.Prot.Gen.u1Present)
3373 rc = dbgcCmdDumpDTWorker32(pCmdHlp, &u.Prot, iInt, false, DBGF_AS_GLOBAL);
3374 break;
3375 case CPUMMODE_LONG:
3376 if (fAll || fSingle || u.Long.Gen.u1Present)
3377 rc = dbgcCmdDumpDTWorker64(pCmdHlp, &u.Long, iInt, false, DBGF_AS_GLOBAL, NULL);
3378 break;
3379 default: break; /* to shut up gcc */
3380 }
3381 if (RT_FAILURE(rc))
3382 return rc;
3383
3384 /* next */
3385 iInt++;
3386 }
3387 }
3388 else
3389 DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds (max 256)\n", paArgs[i].u.u64Number);
3390 }
3391
3392 return VINF_SUCCESS;
3393}
3394
3395
3396/**
3397 * @callback_method_impl{FNDBGCCMD,
3398 * The 'da'\, 'dq'\, 'dqs'\, 'dd'\, 'dds'\, 'dw'\, 'db'\, 'dp'\, 'dps'\,
3399 * and 'du' commands.}
3400 */
3401static DECLCALLBACK(int) dbgcCmdDumpMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3402{
3403 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3404
3405 /*
3406 * Validate input.
3407 */
3408 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3409 if (cArgs == 1)
3410 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3411 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3412
3413#define DBGC_DUMP_MEM_F_ASCII RT_BIT_32(31)
3414#define DBGC_DUMP_MEM_F_UNICODE RT_BIT_32(30)
3415#define DBGC_DUMP_MEM_F_FAR RT_BIT_32(29)
3416#define DBGC_DUMP_MEM_F_SYMBOLS RT_BIT_32(28)
3417#define DBGC_DUMP_MEM_F_SIZE UINT32_C(0x0000ffff)
3418
3419 /*
3420 * Figure out the element size.
3421 */
3422 unsigned cbElement;
3423 bool fAscii = false;
3424 bool fUnicode = false;
3425 bool fFar = false;
3426 bool fSymbols = pCmd->pszCmd[1] && pCmd->pszCmd[2] == 's';
3427 switch (pCmd->pszCmd[1])
3428 {
3429 default:
3430 case 'b': cbElement = 1; break;
3431 case 'w': cbElement = 2; break;
3432 case 'd': cbElement = 4; break;
3433 case 'q': cbElement = 8; break;
3434 case 'a':
3435 cbElement = 1;
3436 fAscii = true;
3437 break;
3438 case 'F':
3439 cbElement = 4;
3440 fFar = true;
3441 break;
3442 case 'p':
3443 cbElement = DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu) ? 8 : 4;
3444 break;
3445 case 'u':
3446 cbElement = 2;
3447 fUnicode = true;
3448 break;
3449 case '\0':
3450 fAscii = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_ASCII);
3451 fSymbols = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SYMBOLS);
3452 fUnicode = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_UNICODE);
3453 fFar = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_FAR);
3454 cbElement = pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SIZE;
3455 if (!cbElement)
3456 cbElement = 1;
3457 break;
3458 }
3459 uint32_t const cbDumpElement = cbElement
3460 | (fSymbols ? DBGC_DUMP_MEM_F_SYMBOLS : 0)
3461 | (fFar ? DBGC_DUMP_MEM_F_FAR : 0)
3462 | (fUnicode ? DBGC_DUMP_MEM_F_UNICODE : 0)
3463 | (fAscii ? DBGC_DUMP_MEM_F_ASCII : 0);
3464 pDbgc->cbDumpElement = cbDumpElement;
3465
3466 /*
3467 * Find address.
3468 */
3469 if (!cArgs)
3470 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_NONE;
3471 else
3472 pDbgc->DumpPos = paArgs[0];
3473
3474 /*
3475 * Range.
3476 */
3477 switch (pDbgc->DumpPos.enmRangeType)
3478 {
3479 case DBGCVAR_RANGE_NONE:
3480 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3481 pDbgc->DumpPos.u64Range = 0x60;
3482 break;
3483
3484 case DBGCVAR_RANGE_ELEMENTS:
3485 if (pDbgc->DumpPos.u64Range > 2048)
3486 return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many elements requested. Max is 2048 elements.\n");
3487 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3488 pDbgc->DumpPos.u64Range = (cbElement ? cbElement : 1) * pDbgc->DumpPos.u64Range;
3489 break;
3490
3491 case DBGCVAR_RANGE_BYTES:
3492 if (pDbgc->DumpPos.u64Range > 65536)
3493 return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
3494 break;
3495
3496 default:
3497 return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->DumpPos.enmRangeType);
3498 }
3499
3500 pDbgc->pLastPos = &pDbgc->DumpPos;
3501
3502 /*
3503 * Do the dumping.
3504 */
3505 int cbLeft = (int)pDbgc->DumpPos.u64Range;
3506 uint8_t u16Prev = '\0';
3507 for (;;)
3508 {
3509 /*
3510 * Read memory.
3511 */
3512 char achBuffer[16];
3513 size_t cbReq = RT_MIN((int)sizeof(achBuffer), cbLeft);
3514 size_t cb = RT_MIN((int)sizeof(achBuffer), cbLeft);
3515 int rc = pCmdHlp->pfnMemRead(pCmdHlp, &achBuffer, cbReq, &pDbgc->DumpPos, &cb);
3516 if (RT_FAILURE(rc))
3517 {
3518 if (u16Prev && u16Prev != '\n')
3519 DBGCCmdHlpPrintf(pCmdHlp, "\n");
3520 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading memory at %DV.\n", &pDbgc->DumpPos);
3521 }
3522
3523 /*
3524 * Display it.
3525 */
3526 memset(&achBuffer[cb], 0, sizeof(achBuffer) - cb);
3527 if (!fAscii && !fUnicode)
3528 {
3529 DBGCCmdHlpPrintf(pCmdHlp, "%DV:", &pDbgc->DumpPos);
3530 unsigned i;
3531 for (i = 0; i < cb; i += cbElement)
3532 {
3533 const char *pszSpace = " ";
3534 if (cbElement <= 2 && i == 8)
3535 pszSpace = "-";
3536 switch (cbElement)
3537 {
3538 case 1:
3539 DBGCCmdHlpPrintf(pCmdHlp, "%s%02x", pszSpace, *(uint8_t *)&achBuffer[i]);
3540 break;
3541 case 2:
3542 DBGCCmdHlpPrintf(pCmdHlp, "%s%04x", pszSpace, *(uint16_t *)&achBuffer[i]);
3543 break;
3544 case 4:
3545 if (!fFar)
3546 DBGCCmdHlpPrintf(pCmdHlp, "%s%08x", pszSpace, *(uint32_t *)&achBuffer[i]);
3547 else
3548 DBGCCmdHlpPrintf(pCmdHlp, "%s%04x:%04x:",
3549 pszSpace, *(uint16_t *)&achBuffer[i + 2], *(uint16_t *)&achBuffer[i]);
3550 break;
3551 case 8:
3552 DBGCCmdHlpPrintf(pCmdHlp, "%s%016llx", pszSpace, *(uint64_t *)&achBuffer[i]);
3553 break;
3554 }
3555
3556 if (fSymbols)
3557 {
3558 /* Try lookup symbol for the above address. */
3559 DBGFADDRESS Addr;
3560 rc = VINF_SUCCESS;
3561 if (cbElement == 8)
3562 DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, *(uint64_t *)&achBuffer[i]);
3563 else if (!fFar)
3564 DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, *(uint32_t *)&achBuffer[i]);
3565 else
3566 rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr,
3567 *(uint16_t *)&achBuffer[i + 2], *(uint16_t *)&achBuffer[i]);
3568 if (RT_SUCCESS(rc))
3569 {
3570 RTINTPTR offDisp;
3571 RTDBGSYMBOL Symbol;
3572 rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, &Addr,
3573 RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
3574 &offDisp, &Symbol, NULL);
3575 if (RT_SUCCESS(rc))
3576 {
3577 if (!offDisp)
3578 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", Symbol.szName);
3579 else if (offDisp > 0)
3580 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s + %RGv", Symbol.szName, offDisp);
3581 else
3582 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s - %RGv", Symbol.szName, -offDisp);
3583 if (Symbol.cb > 0)
3584 rc = DBGCCmdHlpPrintf(pCmdHlp, " (LB %RGv)", Symbol.cb);
3585 }
3586 }
3587
3588 /* Next line prefix. */
3589 unsigned iNext = i + cbElement;
3590 if (iNext < cb)
3591 {
3592 DBGCVAR TmpPos = pDbgc->DumpPos;
3593 DBGCCmdHlpEval(pCmdHlp, &TmpPos, "(%Dv) + %x", &pDbgc->DumpPos, iNext);
3594 DBGCCmdHlpPrintf(pCmdHlp, "\n%DV:", &pDbgc->DumpPos);
3595 }
3596 }
3597 }
3598
3599 /* Chars column. */
3600 if (cbElement == 1)
3601 {
3602 while (i++ < sizeof(achBuffer))
3603 DBGCCmdHlpPrintf(pCmdHlp, " ");
3604 DBGCCmdHlpPrintf(pCmdHlp, " ");
3605 for (i = 0; i < cb; i += cbElement)
3606 {
3607 uint8_t u8 = *(uint8_t *)&achBuffer[i];
3608 if (RT_C_IS_PRINT(u8) && u8 < 127 && u8 >= 32)
3609 DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
3610 else
3611 DBGCCmdHlpPrintf(pCmdHlp, ".");
3612 }
3613 }
3614 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3615 }
3616 else
3617 {
3618 /*
3619 * We print up to the first zero and stop there.
3620 * Only printables + '\t' and '\n' are printed.
3621 */
3622 if (!u16Prev)
3623 DBGCCmdHlpPrintf(pCmdHlp, "%DV:\n", &pDbgc->DumpPos);
3624 uint16_t u16 = '\0';
3625 unsigned i;
3626 for (i = 0; i < cb; i += cbElement)
3627 {
3628 u16Prev = u16;
3629 if (cbElement == 1)
3630 u16 = *(uint8_t *)&achBuffer[i];
3631 else
3632 u16 = *(uint16_t *)&achBuffer[i];
3633 if ( u16 < 127
3634 && ( (RT_C_IS_PRINT(u16) && u16 >= 32)
3635 || u16 == '\t'
3636 || u16 == '\n'))
3637 DBGCCmdHlpPrintf(pCmdHlp, "%c", (int)u16);
3638 else if (!u16)
3639 break;
3640 else
3641 DBGCCmdHlpPrintf(pCmdHlp, "\\x%0*x", cbElement * 2, u16);
3642 }
3643 if (u16 == '\0')
3644 cb = cbLeft = i + 1;
3645 if (cbLeft - cb <= 0 && u16Prev != '\n')
3646 DBGCCmdHlpPrintf(pCmdHlp, "\n");
3647 }
3648
3649 /*
3650 * Advance
3651 */
3652 cbLeft -= (int)cb;
3653 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DumpPos, "(%Dv) + %x", &pDbgc->DumpPos, cb);
3654 if (RT_FAILURE(rc))
3655 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->DumpPos, cb);
3656 if (cbLeft <= 0)
3657 break;
3658 }
3659
3660 NOREF(pCmd);
3661 return VINF_SUCCESS;
3662}
3663
3664
3665/**
3666 * Best guess at which paging mode currently applies to the guest
3667 * paging structures.
3668 *
3669 * This have to come up with a decent answer even when the guest
3670 * is in non-paged protected mode or real mode.
3671 *
3672 * @returns cr3.
3673 * @param pDbgc The DBGC instance.
3674 * @param pfPAE Where to store the page address extension indicator.
3675 * @param pfLME Where to store the long mode enabled indicator.
3676 * @param pfPSE Where to store the page size extension indicator.
3677 * @param pfPGE Where to store the page global enabled indicator.
3678 * @param pfNXE Where to store the no-execution enabled indicator.
3679 */
3680static RTGCPHYS dbgcGetGuestPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE)
3681{
3682 PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3683 RTGCUINTREG cr4 = CPUMGetGuestCR4(pVCpu);
3684 *pfPSE = !!(cr4 & X86_CR4_PSE);
3685 *pfPGE = !!(cr4 & X86_CR4_PGE);
3686 if (cr4 & X86_CR4_PAE)
3687 {
3688 *pfPSE = true;
3689 *pfPAE = true;
3690 }
3691 else
3692 *pfPAE = false;
3693
3694 *pfLME = CPUMGetGuestMode(pVCpu) == CPUMMODE_LONG;
3695 *pfNXE = false; /* GUEST64 GUESTNX */
3696 return CPUMGetGuestCR3(pVCpu);
3697}
3698
3699
3700/**
3701 * Determine the shadow paging mode.
3702 *
3703 * @returns cr3.
3704 * @param pDbgc The DBGC instance.
3705 * @param pfPAE Where to store the page address extension indicator.
3706 * @param pfLME Where to store the long mode enabled indicator.
3707 * @param pfPSE Where to store the page size extension indicator.
3708 * @param pfPGE Where to store the page global enabled indicator.
3709 * @param pfNXE Where to store the no-execution enabled indicator.
3710 */
3711static RTHCPHYS dbgcGetShadowPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE)
3712{
3713 PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3714
3715 *pfPSE = true;
3716 *pfPGE = false;
3717 switch (PGMGetShadowMode(pVCpu))
3718 {
3719 default:
3720 case PGMMODE_32_BIT:
3721 *pfPAE = *pfLME = *pfNXE = false;
3722 break;
3723 case PGMMODE_PAE:
3724 *pfLME = *pfNXE = false;
3725 *pfPAE = true;
3726 break;
3727 case PGMMODE_PAE_NX:
3728 *pfLME = false;
3729 *pfPAE = *pfNXE = true;
3730 break;
3731 case PGMMODE_AMD64:
3732 *pfNXE = false;
3733 *pfPAE = *pfLME = true;
3734 break;
3735 case PGMMODE_AMD64_NX:
3736 *pfPAE = *pfLME = *pfNXE = true;
3737 break;
3738 }
3739 return PGMGetHyperCR3(pVCpu);
3740}
3741
3742
3743/**
3744 * @callback_method_impl{FNDBGCCMD,
3745 * The 'dpd'\, 'dpda'\, 'dpdb'\, 'dpdg' and 'dpdh' commands.}
3746 */
3747static DECLCALLBACK(int) dbgcCmdDumpPageDir(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3748{
3749 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3750
3751 /*
3752 * Validate input.
3753 */
3754 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3755 if (cArgs == 1 && pCmd->pszCmd[3] == 'a')
3756 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3757 if (cArgs == 1 && pCmd->pszCmd[3] != 'a')
3758 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3759 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
3760 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3761
3762 /*
3763 * Guest or shadow page directories? Get the paging parameters.
3764 */
3765 bool fGuest = pCmd->pszCmd[3] != 'h';
3766 if (!pCmd->pszCmd[3] || pCmd->pszCmd[3] == 'a')
3767 fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER ? true : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
3768
3769 bool fPAE, fLME, fPSE, fPGE, fNXE;
3770 uint64_t cr3 = fGuest
3771 ? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
3772 : dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
3773 const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
3774
3775 /*
3776 * Setup default argument if none was specified.
3777 * Fix address / index confusion.
3778 */
3779 DBGCVAR VarDefault;
3780 if (!cArgs)
3781 {
3782 if (pCmd->pszCmd[3] == 'a')
3783 {
3784 if (fLME || fPAE)
3785 return DBGCCmdHlpPrintf(pCmdHlp, "Default argument for 'dpda' hasn't been fully implemented yet. Try with an address or use one of the other commands.\n");
3786 if (fGuest)
3787 DBGCVAR_INIT_GC_PHYS(&VarDefault, cr3);
3788 else
3789 DBGCVAR_INIT_HC_PHYS(&VarDefault, cr3);
3790 }
3791 else
3792 DBGCVAR_INIT_GC_FLAT(&VarDefault, 0);
3793 paArgs = &VarDefault;
3794 cArgs = 1;
3795 }
3796 else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
3797 {
3798 /* If it's a number (not an address), it's an index, so convert it to an address. */
3799 Assert(pCmd->pszCmd[3] != 'a');
3800 VarDefault = paArgs[0];
3801 if (fPAE)
3802 return DBGCCmdHlpPrintf(pCmdHlp, "PDE indexing is only implemented for 32-bit paging.\n");
3803 if (VarDefault.u.u64Number >= PAGE_SIZE / cbEntry)
3804 return DBGCCmdHlpPrintf(pCmdHlp, "PDE index is out of range [0..%d].\n", PAGE_SIZE / cbEntry - 1);
3805 VarDefault.u.u64Number <<= X86_PD_SHIFT;
3806 VarDefault.enmType = DBGCVAR_TYPE_GC_FLAT;
3807 paArgs = &VarDefault;
3808 }
3809
3810 /*
3811 * Locate the PDE to start displaying at.
3812 *
3813 * The 'dpda' command takes the address of a PDE, while the others are guest
3814 * virtual address which PDEs should be displayed. So, 'dpda' is rather simple
3815 * while the others require us to do all the tedious walking thru the paging
3816 * hierarchy to find the intended PDE.
3817 */
3818 unsigned iEntry = ~0U; /* The page directory index. ~0U for 'dpta'. */
3819 DBGCVAR VarGCPtr = { NULL, }; /* The GC address corresponding to the current PDE (iEntry != ~0U). */
3820 DBGCVAR VarPDEAddr; /* The address of the current PDE. */
3821 unsigned cEntries; /* The number of entries to display. */
3822 unsigned cEntriesMax; /* The max number of entries to display. */
3823 int rc;
3824 if (pCmd->pszCmd[3] == 'a')
3825 {
3826 VarPDEAddr = paArgs[0];
3827 switch (VarPDEAddr.enmRangeType)
3828 {
3829 case DBGCVAR_RANGE_BYTES: cEntries = VarPDEAddr.u64Range / cbEntry; break;
3830 case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPDEAddr.u64Range; break;
3831 default: cEntries = 10; break;
3832 }
3833 cEntriesMax = PAGE_SIZE / cbEntry;
3834 }
3835 else
3836 {
3837 /*
3838 * Determine the range.
3839 */
3840 switch (paArgs[0].enmRangeType)
3841 {
3842 case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
3843 case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
3844 default: cEntries = 10; break;
3845 }
3846
3847 /*
3848 * Normalize the input address, it must be a flat GC address.
3849 */
3850 rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
3851 if (RT_FAILURE(rc))
3852 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
3853 if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
3854 {
3855 VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
3856 VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
3857 }
3858 if (fPAE)
3859 VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_PAE_SHIFT) - 1);
3860 else
3861 VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_SHIFT) - 1);
3862
3863 /*
3864 * Do the paging walk until we get to the page directory.
3865 */
3866 DBGCVAR VarCur;
3867 if (fGuest)
3868 DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
3869 else
3870 DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
3871 if (fLME)
3872 {
3873 /* Page Map Level 4 Lookup. */
3874 /* Check if it's a valid address first? */
3875 VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
3876 VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
3877 X86PML4E Pml4e;
3878 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
3879 if (RT_FAILURE(rc))
3880 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
3881 if (!Pml4e.n.u1Present)
3882 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
3883
3884 VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
3885 Assert(fPAE);
3886 }
3887 if (fPAE)
3888 {
3889 /* Page directory pointer table. */
3890 X86PDPE Pdpe;
3891 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
3892 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
3893 if (RT_FAILURE(rc))
3894 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
3895 if (!Pdpe.n.u1Present)
3896 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
3897
3898 iEntry = (VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK;
3899 VarPDEAddr = VarCur;
3900 VarPDEAddr.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
3901 VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDEPAE);
3902 }
3903 else
3904 {
3905 /* 32-bit legacy - CR3 == page directory. */
3906 iEntry = (VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK;
3907 VarPDEAddr = VarCur;
3908 VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDE);
3909 }
3910 cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
3911 }
3912
3913 /* adjust cEntries */
3914 cEntries = RT_MAX(1, cEntries);
3915 cEntries = RT_MIN(cEntries, cEntriesMax);
3916
3917 /*
3918 * The display loop.
3919 */
3920 DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (index %#x):\n" : "%DV:\n",
3921 &VarPDEAddr, iEntry);
3922 do
3923 {
3924 /*
3925 * Read.
3926 */
3927 X86PDEPAE Pde;
3928 Pde.u = 0;
3929 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, cbEntry, &VarPDEAddr, NULL);
3930 if (RT_FAILURE(rc))
3931 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarPDEAddr);
3932
3933 /*
3934 * Display.
3935 */
3936 if (iEntry != ~0U)
3937 {
3938 DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
3939 iEntry++;
3940 }
3941 if (fPSE && Pde.b.u1Size)
3942 DBGCCmdHlpPrintf(pCmdHlp,
3943 fPAE
3944 ? "%016llx big phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
3945 : "%08llx big phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
3946 Pde.u,
3947 Pde.u & X86_PDE_PAE_PG_MASK,
3948 Pde.b.u1Present ? "p " : "np",
3949 Pde.b.u1Write ? "w" : "r",
3950 Pde.b.u1User ? "u" : "s",
3951 Pde.b.u1Accessed ? "a " : "na",
3952 Pde.b.u1Dirty ? "d " : "nd",
3953 Pde.b.u3Available,
3954 Pde.b.u1Global ? (fPGE ? "g" : "G") : " ",
3955 Pde.b.u1WriteThru ? "pwt" : " ",
3956 Pde.b.u1CacheDisable ? "pcd" : " ",
3957 Pde.b.u1PAT ? "pat" : "",
3958 Pde.b.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
3959 else
3960 DBGCCmdHlpPrintf(pCmdHlp,
3961 fPAE
3962 ? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s"
3963 : "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s",
3964 Pde.u,
3965 Pde.u & X86_PDE_PAE_PG_MASK,
3966 Pde.n.u1Present ? "p " : "np",
3967 Pde.n.u1Write ? "w" : "r",
3968 Pde.n.u1User ? "u" : "s",
3969 Pde.n.u1Accessed ? "a " : "na",
3970 Pde.u & RT_BIT(6) ? "6 " : " ",
3971 Pde.n.u3Available,
3972 Pde.u & RT_BIT(8) ? "8" : " ",
3973 Pde.n.u1WriteThru ? "pwt" : " ",
3974 Pde.n.u1CacheDisable ? "pcd" : " ",
3975 Pde.u & RT_BIT(7) ? "7" : "",
3976 Pde.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
3977 if (Pde.u & UINT64_C(0x7fff000000000000))
3978 DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pde.u & UINT64_C(0x7fff000000000000)));
3979 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3980 if (RT_FAILURE(rc))
3981 return rc;
3982
3983 /*
3984 * Advance.
3985 */
3986 VarPDEAddr.u.u64Number += cbEntry;
3987 if (iEntry != ~0U)
3988 VarGCPtr.u.GCFlat += fPAE ? RT_BIT_32(X86_PD_PAE_SHIFT) : RT_BIT_32(X86_PD_SHIFT);
3989 } while (cEntries-- > 0);
3990
3991 return VINF_SUCCESS;
3992}
3993
3994
3995/**
3996 * @callback_method_impl{FNDBGCCMD, The 'dpdb' command.}
3997 */
3998static DECLCALLBACK(int) dbgcCmdDumpPageDirBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3999{
4000 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4001 int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dpdg %DV", &paArgs[0]);
4002 int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpdh %DV", &paArgs[0]);
4003 if (RT_FAILURE(rc1))
4004 return rc1;
4005 NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
4006 return rc2;
4007}
4008
4009
4010/**
4011 * @callback_method_impl{FNDBGCCMD, The 'dph*' commands and main part of 'm'.}
4012 */
4013static DECLCALLBACK(int) dbgcCmdDumpPageHierarchy(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4014{
4015 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4016 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4017
4018 /*
4019 * Figure the context and base flags.
4020 */
4021 uint32_t fFlags = DBGFPGDMP_FLAGS_PAGE_INFO | DBGFPGDMP_FLAGS_PRINT_CR3;
4022 if (pCmd->pszCmd[0] == 'm')
4023 fFlags |= DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW;
4024 else if (pCmd->pszCmd[3] == '\0')
4025 fFlags |= DBGFPGDMP_FLAGS_GUEST;
4026 else if (pCmd->pszCmd[3] == 'g')
4027 fFlags |= DBGFPGDMP_FLAGS_GUEST;
4028 else if (pCmd->pszCmd[3] == 'h')
4029 fFlags |= DBGFPGDMP_FLAGS_SHADOW;
4030 else
4031 AssertFailed();
4032
4033 if (pDbgc->cPagingHierarchyDumps == 0)
4034 fFlags |= DBGFPGDMP_FLAGS_HEADER;
4035 pDbgc->cPagingHierarchyDumps = (pDbgc->cPagingHierarchyDumps + 1) % 42;
4036
4037 /*
4038 * Get the range.
4039 */
4040 PCDBGCVAR pRange = cArgs > 0 ? &paArgs[0] : pDbgc->pLastPos;
4041 RTGCPTR GCPtrFirst = NIL_RTGCPTR;
4042 int rc = DBGCCmdHlpVarToFlatAddr(pCmdHlp, pRange, &GCPtrFirst);
4043 if (RT_FAILURE(rc))
4044 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to convert %DV to a flat address: %Rrc", pRange, rc);
4045
4046 uint64_t cbRange;
4047 rc = DBGCCmdHlpVarGetRange(pCmdHlp, pRange, PAGE_SIZE, PAGE_SIZE * 8, &cbRange);
4048 if (RT_FAILURE(rc))
4049 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to obtain the range of %DV: %Rrc", pRange, rc);
4050
4051 RTGCPTR GCPtrLast = RTGCPTR_MAX - GCPtrFirst;
4052 if (cbRange >= GCPtrLast)
4053 GCPtrLast = RTGCPTR_MAX;
4054 else if (!cbRange)
4055 GCPtrLast = GCPtrFirst;
4056 else
4057 GCPtrLast = GCPtrFirst + cbRange - 1;
4058
4059 /*
4060 * Do we have a CR3?
4061 */
4062 uint64_t cr3 = 0;
4063 if (cArgs > 1)
4064 {
4065 if ((fFlags & (DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW)) == (DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW))
4066 return DBGCCmdHlpFail(pCmdHlp, pCmd, "No CR3 or mode arguments when dumping both context, please.");
4067 if (paArgs[1].enmType != DBGCVAR_TYPE_NUMBER)
4068 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The CR3 argument is not a number: %DV", &paArgs[1]);
4069 cr3 = paArgs[1].u.u64Number;
4070 }
4071 else
4072 fFlags |= DBGFPGDMP_FLAGS_CURRENT_CR3;
4073
4074 /*
4075 * Do we have a mode?
4076 */
4077 if (cArgs > 2)
4078 {
4079 if (paArgs[2].enmType != DBGCVAR_TYPE_STRING)
4080 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The mode argument is not a string: %DV", &paArgs[2]);
4081 static const struct MODETOFLAGS
4082 {
4083 const char *pszName;
4084 uint32_t fFlags;
4085 } s_aModeToFlags[] =
4086 {
4087 { "ept", DBGFPGDMP_FLAGS_EPT },
4088 { "legacy", 0 },
4089 { "legacy-np", DBGFPGDMP_FLAGS_NP },
4090 { "pse", DBGFPGDMP_FLAGS_PSE },
4091 { "pse-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_NP },
4092 { "pae", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE },
4093 { "pae-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NP },
4094 { "pae-nx", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NXE },
4095 { "pae-nx-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NXE | DBGFPGDMP_FLAGS_NP },
4096 { "long", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME },
4097 { "long-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NP },
4098 { "long-nx", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NXE },
4099 { "long-nx-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NXE | DBGFPGDMP_FLAGS_NP }
4100 };
4101 int i = RT_ELEMENTS(s_aModeToFlags);
4102 while (i-- > 0)
4103 if (!strcmp(s_aModeToFlags[i].pszName, paArgs[2].u.pszString))