VirtualBox

source: vbox/trunk/src/VBox/Debugger/DBGCEmulateCodeView.cpp@ 65424

Last change on this file since 65424 was 65424, checked in by vboxsync, 8 years ago

Typo fix.
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File size: 280.7 KB
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1/* $Id: DBGCEmulateCodeView.cpp 65424 2017-01-24 14:50:42Z vboxsync $ */
2/** @file
3 * DBGC - Debugger Console, CodeView / WinDbg Emulation.
4 */
5
6/*
7 * Copyright (C) 2006-2016 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/pgm.h>
26#include <VBox/vmm/cpum.h>
27#include <VBox/dis.h>
28#include <VBox/param.h>
29#include <VBox/err.h>
30#include <VBox/log.h>
31
32#include <iprt/asm.h>
33#include <iprt/mem.h>
34#include <iprt/string.h>
35#include <iprt/assert.h>
36#include <iprt/ctype.h>
37
38#include <stdlib.h>
39#include <stdio.h>
40
41#include "DBGCInternal.h"
42
43
44/*********************************************************************************************************************************
45* Internal Functions *
46*********************************************************************************************************************************/
47static FNDBGCCMD dbgcCmdBrkAccess;
48static FNDBGCCMD dbgcCmdBrkClear;
49static FNDBGCCMD dbgcCmdBrkDisable;
50static FNDBGCCMD dbgcCmdBrkEnable;
51static FNDBGCCMD dbgcCmdBrkList;
52static FNDBGCCMD dbgcCmdBrkSet;
53static FNDBGCCMD dbgcCmdBrkREM;
54static FNDBGCCMD dbgcCmdDumpMem;
55static FNDBGCCMD dbgcCmdDumpDT;
56static FNDBGCCMD dbgcCmdDumpIDT;
57static FNDBGCCMD dbgcCmdDumpPageDir;
58static FNDBGCCMD dbgcCmdDumpPageDirBoth;
59static FNDBGCCMD dbgcCmdDumpPageHierarchy;
60static FNDBGCCMD dbgcCmdDumpPageTable;
61static FNDBGCCMD dbgcCmdDumpPageTableBoth;
62static FNDBGCCMD dbgcCmdDumpTSS;
63static FNDBGCCMD dbgcCmdDumpTypeInfo;
64static FNDBGCCMD dbgcCmdDumpTypedVal;
65static FNDBGCCMD dbgcCmdEditMem;
66static FNDBGCCMD dbgcCmdGo;
67static FNDBGCCMD dbgcCmdGoUp;
68static FNDBGCCMD dbgcCmdListModules;
69static FNDBGCCMD dbgcCmdListNear;
70static FNDBGCCMD dbgcCmdListSource;
71static FNDBGCCMD dbgcCmdMemoryInfo;
72static FNDBGCCMD dbgcCmdReg;
73static FNDBGCCMD dbgcCmdRegGuest;
74static FNDBGCCMD dbgcCmdRegHyper;
75static FNDBGCCMD dbgcCmdRegTerse;
76static FNDBGCCMD dbgcCmdSearchMem;
77static FNDBGCCMD dbgcCmdSearchMemType;
78static FNDBGCCMD dbgcCmdStepTrace;
79static FNDBGCCMD dbgcCmdStepTraceTo;
80static FNDBGCCMD dbgcCmdStepTraceToggle;
81static FNDBGCCMD dbgcCmdEventCtrl;
82static FNDBGCCMD dbgcCmdEventCtrlList;
83static FNDBGCCMD dbgcCmdEventCtrlReset;
84static FNDBGCCMD dbgcCmdStack;
85static FNDBGCCMD dbgcCmdUnassemble;
86static FNDBGCCMD dbgcCmdUnassembleCfg;
87
88
89/*********************************************************************************************************************************
90* Global Variables *
91*********************************************************************************************************************************/
92/** 'ba' arguments. */
93static const DBGCVARDESC g_aArgBrkAcc[] =
94{
95 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
96 { 1, 1, DBGCVAR_CAT_STRING, 0, "access", "The access type: x=execute, rw=read/write (alias r), w=write, i=not implemented." },
97 { 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." },
98 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
99 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
100 { 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)" },
101 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
102};
103
104
105/** 'bc', 'bd', 'be' arguments. */
106static const DBGCVARDESC g_aArgBrks[] =
107{
108 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
109 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#bp", "Breakpoint number." },
110 { 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All breakpoints." },
111};
112
113
114/** 'bp' arguments. */
115static const DBGCVARDESC g_aArgBrkSet[] =
116{
117 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
118 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
119 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
120 { 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)" },
121 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
122};
123
124
125/** 'br' arguments. */
126static const DBGCVARDESC g_aArgBrkREM[] =
127{
128 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
129 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
130 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
131 { 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)" },
132 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
133};
134
135
136/** 'd?' arguments. */
137static const DBGCVARDESC g_aArgDumpMem[] =
138{
139 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
140 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start dumping memory." },
141};
142
143
144/** 'dg', 'dga', 'dl', 'dla' arguments. */
145static const DBGCVARDESC g_aArgDumpDT[] =
146{
147 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
148 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "sel", "Selector or selector range." },
149 { 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Far address which selector should be dumped." },
150};
151
152
153/** 'di', 'dia' arguments. */
154static const DBGCVARDESC g_aArgDumpIDT[] =
155{
156 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
157 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "int", "The interrupt vector or interrupt vector range." },
158};
159
160
161/** 'dpd*' arguments. */
162static const DBGCVARDESC g_aArgDumpPD[] =
163{
164 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
165 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "index", "Index into the page directory." },
166 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from. Range is applied to the page directory." },
167};
168
169
170/** 'dpda' arguments. */
171static const DBGCVARDESC g_aArgDumpPDAddr[] =
172{
173 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
174 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page directory entry to start dumping from." },
175};
176
177
178/** 'dph*' arguments. */
179static const DBGCVARDESC g_aArgDumpPH[] =
180{
181 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
182 { 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." },
183 { 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." },
184 { 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." },
185};
186
187
188/** 'dpt?' arguments. */
189static const DBGCVARDESC g_aArgDumpPT[] =
190{
191 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
192 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from." },
193};
194
195
196/** 'dpta' arguments. */
197static const DBGCVARDESC g_aArgDumpPTAddr[] =
198{
199 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
200 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page table entry to start dumping from." },
201};
202
203
204/** 'dt' arguments. */
205static const DBGCVARDESC g_aArgDumpTSS[] =
206{
207 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
208 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "tss", "TSS selector number." },
209 { 0, 1, DBGCVAR_CAT_POINTER, 0, "tss:ign|addr", "TSS address. If the selector is a TSS selector, the offset will be ignored." }
210};
211
212
213/** 'dti' arguments. */
214static const DBGCVARDESC g_aArgDumpTypeInfo[] =
215{
216 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
217 { 1, 1, DBGCVAR_CAT_STRING, 0, "type", "The type to dump" },
218 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "levels", "How many levels to dump the type information" }
219};
220
221
222/** 'dtv' arguments. */
223static const DBGCVARDESC g_aArgDumpTypedVal[] =
224{
225 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
226 { 1, 1, DBGCVAR_CAT_STRING, 0, "type", "The type to use" },
227 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address to start dumping from." },
228 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "levels", "How many levels to dump" }
229};
230
231
232/** 'e?' arguments. */
233static const DBGCVARDESC g_aArgEditMem[] =
234{
235 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
236 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to write." },
237 { 1, ~0U, DBGCVAR_CAT_NUMBER, 0, "value", "Value to write." },
238};
239
240
241/** 'lm' arguments. */
242static const DBGCVARDESC g_aArgListMods[] =
243{
244 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
245 { 0, ~0U, DBGCVAR_CAT_STRING, 0, "module", "Module name." },
246};
247
248
249/** 'ln' arguments. */
250static const DBGCVARDESC g_aArgListNear[] =
251{
252 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
253 { 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Address of the symbol to look up." },
254 { 0, ~0U, DBGCVAR_CAT_SYMBOL, 0, "symbol", "Symbol to lookup." },
255};
256
257
258/** 'ls' arguments. */
259static const DBGCVARDESC g_aArgListSource[] =
260{
261 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
262 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start looking for source lines." },
263};
264
265
266/** 'm' argument. */
267static const DBGCVARDESC g_aArgMemoryInfo[] =
268{
269 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
270 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Pointer to obtain info about." },
271};
272
273
274/** 'p', 'pc', 'pt', 't', 'tc' and 'tt' arguments. */
275static const DBGCVARDESC g_aArgStepTrace[] =
276{
277 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
278 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "count", "Number of instructions or source lines to step." },
279 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed afterwards. Quote it!" },
280};
281
282
283/** 'pa' and 'ta' arguments. */
284static const DBGCVARDESC g_aArgStepTraceTo[] =
285{
286 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
287 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Where to stop" },
288 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed afterwards. Quote it!" },
289};
290
291
292/** 'r' arguments. */
293static const DBGCVARDESC g_aArgReg[] =
294{
295 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
296 { 0, 1, DBGCVAR_CAT_SYMBOL, 0, "register", "Register to show or set." },
297 { 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "=", "Equal sign." },
298 { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "value", "New register value." },
299};
300
301
302/** 's' arguments. */
303static const DBGCVARDESC g_aArgSearchMem[] =
304{
305 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
306 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-b", "Byte string." },
307 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-w", "Word string." },
308 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-d", "DWord string." },
309 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-q", "QWord string." },
310 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-a", "ASCII string." },
311 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-u", "Unicode string." },
312 { 0, 1, DBGCVAR_CAT_OPTION_NUMBER, 0, "-n <Hits>", "Maximum number of hits." },
313 { 0, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
314 { 0, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
315};
316
317
318/** 's?' arguments. */
319static const DBGCVARDESC g_aArgSearchMemType[] =
320{
321 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
322 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
323 { 1, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
324};
325
326
327/** 'sxe', 'sxn', 'sxi', 'sx-' arguments. */
328static const DBGCVARDESC g_aArgEventCtrl[] =
329{
330 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
331 { 0, 1, DBGCVAR_CAT_STRING, 0, "-c", "The -c option, requires <cmds>." },
332 { 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "cmds", "Command to execute on this event." },
333 { 0 /*weird*/, ~0U, DBGCVAR_CAT_STRING, 0, "event", "One or more events, 'all' refering to all events." },
334};
335
336/** 'sx' and 'sr' arguments. */
337static const DBGCVARDESC g_aArgEventCtrlOpt[] =
338{
339 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
340 { 0, ~0U, DBGCVAR_CAT_STRING, 0, "event", "Zero or more events, 'all' refering to all events and being the default." },
341};
342
343/** 'u' arguments. */
344static const DBGCVARDESC g_aArgUnassemble[] =
345{
346 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
347 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." },
348};
349
350/** 'ucfg' arguments. */
351static const DBGCVARDESC g_aArgUnassembleCfg[] =
352{
353 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
354 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." },
355};
356
357
358/** Command descriptors for the CodeView / WinDbg emulation.
359 * The emulation isn't attempting to be identical, only somewhat similar.
360 */
361const DBGCCMD g_aCmdsCodeView[] =
362{
363 /* pszCmd, cArgsMin, cArgsMax, paArgDescs, cArgDescs, fFlags, pfnHandler pszSyntax, ....pszDescription */
364 { "ba", 3, 6, &g_aArgBrkAcc[0], RT_ELEMENTS(g_aArgBrkAcc), 0, dbgcCmdBrkAccess, "<access> <size> <address> [passes [max passes]] [cmds]",
365 "Sets a data access breakpoint." },
366 { "bc", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkClear, "all | <bp#> [bp# []]", "Deletes a set of breakpoints." },
367 { "bd", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkDisable, "all | <bp#> [bp# []]", "Disables a set of breakpoints." },
368 { "be", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkEnable, "all | <bp#> [bp# []]", "Enables a set of breakpoints." },
369 { "bl", 0, 0, NULL, 0, 0, dbgcCmdBrkList, "", "Lists all the breakpoints." },
370 { "bp", 1, 4, &g_aArgBrkSet[0], RT_ELEMENTS(g_aArgBrkSet), 0, dbgcCmdBrkSet, "<address> [passes [max passes]] [cmds]",
371 "Sets a breakpoint (int 3)." },
372 { "br", 1, 4, &g_aArgBrkREM[0], RT_ELEMENTS(g_aArgBrkREM), 0, dbgcCmdBrkREM, "<address> [passes [max passes]] [cmds]",
373 "Sets a recompiler specific breakpoint." },
374 { "d", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory using last element size." },
375 { "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
376 { "db", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in bytes." },
377 { "dd", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in double words." },
378 { "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
379 { "dg", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT)." },
380 { "dga", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT) including not-present entries." },
381 { "di", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT)." },
382 { "dia", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT) including not-present entries." },
383 { "dl", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT)." },
384 { "dla", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT) including not-present entries." },
385 { "dpd", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the default context." },
386 { "dpda", 0, 1, &g_aArgDumpPDAddr[0],RT_ELEMENTS(g_aArgDumpPDAddr), 0, dbgcCmdDumpPageDir, "[addr]", "Dumps memory at given address as a page directory." },
387 { "dpdb", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDirBoth, "[addr|index]", "Dumps page directory entries of the guest and the hypervisor. " },
388 { "dpdg", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the guest." },
389 { "dpdh", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the hypervisor. " },
390 { "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." },
391 { "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." },
392 { "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." },
393 { "dpt", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the default context." },
394 { "dpta", 1, 1, &g_aArgDumpPTAddr[0],RT_ELEMENTS(g_aArgDumpPTAddr), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps memory at given address as a page table." },
395 { "dptb", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTableBoth,"<addr>", "Dumps page table entries of the guest and the hypervisor." },
396 { "dptg", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the guest." },
397 { "dpth", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the hypervisor." },
398 { "dq", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in quad words." },
399 { "dt", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the task state segment (TSS)." },
400 { "dt16", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 16-bit task state segment (TSS)." },
401 { "dt32", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 32-bit task state segment (TSS)." },
402 { "dt64", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 64-bit task state segment (TSS)." },
403 { "dti", 1, 2, &g_aArgDumpTypeInfo[0],RT_ELEMENTS(g_aArgDumpTypeInfo), 0, dbgcCmdDumpTypeInfo,"<type> [levels]", "Dump type information." },
404 { "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." },
405 { "dw", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in words." },
406 /** @todo add 'e', 'ea str', 'eza str', 'eu str' and 'ezu str'. See also
407 * dbgcCmdSearchMem and its dbgcVarsToBytes usage. */
408 { "eb", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 1-byte value to memory." },
409 { "ew", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 2-byte value to memory." },
410 { "ed", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 4-byte value to memory." },
411 { "eq", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 8-byte value to memory." },
412 { "g", 0, 0, NULL, 0, 0, dbgcCmdGo, "", "Continue execution." },
413 { "gu", 0, 0, NULL, 0, 0, dbgcCmdGoUp, "", "Go up - continue execution till after return." },
414 { "k", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack." },
415 { "kg", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - guest." },
416 { "kh", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - hypervisor." },
417 { "lm", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules." },
418 { "lmv", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules, verbose." },
419 { "lmo", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments." },
420 { "lmov", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments, verbose." },
421 { "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." },
422 { "ls", 0, 1, &g_aArgListSource[0],RT_ELEMENTS(g_aArgListSource), 0, dbgcCmdListSource, "[addr]", "Source." },
423 { "m", 1, 1, &g_aArgMemoryInfo[0],RT_ELEMENTS(g_aArgMemoryInfo), 0, dbgcCmdMemoryInfo, "<addr>", "Display information about that piece of memory." },
424 { "p", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step over." },
425 { "pr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." },
426 { "pa", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Step to the given address." },
427 { "pc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step to the next call instruction." },
428 { "pt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step to the next return instruction." },
429 { "r", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdReg, "[reg [[=] newval]]", "Show or set register(s) - active reg set." },
430 { "rg", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegGuest, "[reg [[=] newval]]", "Show or set register(s) - guest reg set." },
431 { "rg32", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 32-bit guest registers." },
432 { "rg64", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 64-bit guest registers." },
433 { "rh", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegHyper, "[reg [[=] newval]]", "Show or set register(s) - hypervisor reg set." },
434 { "rt", 0, 0, NULL, 0, 0, dbgcCmdRegTerse, "", "Toggles terse / verbose register info." },
435 { "s", 0, ~0U, &g_aArgSearchMem[0], RT_ELEMENTS(g_aArgSearchMem), 0, dbgcCmdSearchMem, "[options] <range> <pattern>", "Continue last search." },
436 { "sa", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an ascii string." },
437 { "sb", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more bytes." },
438 { "sd", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more double words." },
439 { "sq", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more quad words." },
440 { "su", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an unicode string." },
441 { "sw", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more words." },
442 { "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." },
443 { "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." },
444 { "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." },
445 { "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." },
446 { "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." },
447 { "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." },
448 { "t", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace ." },
449 { "tr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." },
450 { "ta", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Trace to the given address." },
451 { "tc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next call instruction." },
452 { "tt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next return instruction." },
453 { "u", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble." },
454 { "u64", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 64-bit code." },
455 { "u32", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 32-bit code." },
456 { "u16", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code." },
457 { "uv86", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code with v8086/real mode addressing." },
458 { "ucfg", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph." },
459 { "ucfgc", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph with colors." },
460};
461
462/** The number of commands in the CodeView/WinDbg emulation. */
463const uint32_t g_cCmdsCodeView = RT_ELEMENTS(g_aCmdsCodeView);
464
465
466/**
467 * Selectable debug event descriptors.
468 *
469 * @remarks Sorted by DBGCSXEVT::enmType value.
470 */
471const DBGCSXEVT g_aDbgcSxEvents[] =
472{
473 { DBGFEVENT_INTERRUPT_HARDWARE, "hwint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Hardware interrupt" },
474 { DBGFEVENT_INTERRUPT_SOFTWARE, "swint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Software interrupt" },
475 { DBGFEVENT_TRIPLE_FAULT, "triplefault", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Enabled, 0, "Triple fault "},
476 { DBGFEVENT_XCPT_DE, "xcpt_de", "de", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DE (integer divide error)" },
477 { DBGFEVENT_XCPT_DB, "xcpt_db", "db", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DB (debug)" },
478 { DBGFEVENT_XCPT_02, "xcpt_02", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
479 { DBGFEVENT_XCPT_BP, "xcpt_bp", "bp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BP (breakpoint)" },
480 { DBGFEVENT_XCPT_OF, "xcpt_of", "of", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#OF (overflow (INTO))" },
481 { DBGFEVENT_XCPT_BR, "xcpt_br", "br", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BR (bound range exceeded)" },
482 { DBGFEVENT_XCPT_UD, "xcpt_ud", "ud", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#UD (undefined opcode)" },
483 { DBGFEVENT_XCPT_NM, "xcpt_nm", "nm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#NM (FPU not available)" },
484 { DBGFEVENT_XCPT_DF, "xcpt_df", "df", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DF (double fault)" },
485 { DBGFEVENT_XCPT_09, "xcpt_09", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "Coprocessor segment overrun" },
486 { DBGFEVENT_XCPT_TS, "xcpt_ts", "ts", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#TS (task switch)" },
487 { DBGFEVENT_XCPT_NP, "xcpt_np", "np", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#NP (segment not present)" },
488 { DBGFEVENT_XCPT_SS, "xcpt_ss", "ss", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SS (stack segment fault)" },
489 { DBGFEVENT_XCPT_GP, "xcpt_gp", "gp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#GP (general protection fault)" },
490 { DBGFEVENT_XCPT_PF, "xcpt_pf", "pf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#PF (page fault)" },
491 { DBGFEVENT_XCPT_0f, "xcpt_0f", "xcpt0f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
492 { DBGFEVENT_XCPT_MF, "xcpt_mf", "mf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MF (math fault)" },
493 { DBGFEVENT_XCPT_AC, "xcpt_ac", "ac", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#AC (alignment check)" },
494 { DBGFEVENT_XCPT_MC, "xcpt_mc", "mc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MC (machine check)" },
495 { DBGFEVENT_XCPT_XF, "xcpt_xf", "xf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#XF (SIMD floating-point exception)" },
496 { DBGFEVENT_XCPT_VE, "xcpt_vd", "ve", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#VE (virtualization exception)" },
497 { DBGFEVENT_XCPT_15, "xcpt_15", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
498 { DBGFEVENT_XCPT_16, "xcpt_16", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
499 { DBGFEVENT_XCPT_17, "xcpt_17", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
500 { DBGFEVENT_XCPT_18, "xcpt_18", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
501 { DBGFEVENT_XCPT_19, "xcpt_19", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
502 { DBGFEVENT_XCPT_1a, "xcpt_1a", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
503 { DBGFEVENT_XCPT_1b, "xcpt_1b", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
504 { DBGFEVENT_XCPT_1c, "xcpt_1c", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
505 { DBGFEVENT_XCPT_1d, "xcpt_1d", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
506 { DBGFEVENT_XCPT_SX, "xcpt_sx", "sx", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SX (security exception)" },
507 { DBGFEVENT_XCPT_1f, "xcpt_1f", "xcpt1f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
508 { DBGFEVENT_INSTR_HALT, "instr_halt", "hlt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
509 { DBGFEVENT_INSTR_MWAIT, "instr_mwait", "mwait", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
510 { DBGFEVENT_INSTR_MONITOR, "instr_monitor", "monitor", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
511 { DBGFEVENT_INSTR_CPUID, "instr_cpuid", "cpuid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
512 { DBGFEVENT_INSTR_INVD, "instr_invd", "invd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
513 { DBGFEVENT_INSTR_WBINVD, "instr_wbinvd", "wbinvd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
514 { DBGFEVENT_INSTR_INVLPG, "instr_invlpg", "invlpg", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
515 { DBGFEVENT_INSTR_RDTSC, "instr_rdtsc", "rdtsc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
516 { DBGFEVENT_INSTR_RDTSCP, "instr_rdtscp", "rdtscp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
517 { DBGFEVENT_INSTR_RDPMC, "instr_rdpmc", "rdpmc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
518 { DBGFEVENT_INSTR_RDMSR, "instr_rdmsr", "rdmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
519 { DBGFEVENT_INSTR_WRMSR, "instr_wrmsr", "wrmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
520 { DBGFEVENT_INSTR_CRX_READ, "instr_crx_read", "crx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
521 { DBGFEVENT_INSTR_CRX_WRITE, "instr_crx_write", "crx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
522 { DBGFEVENT_INSTR_DRX_READ, "instr_drx_read", "drx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
523 { DBGFEVENT_INSTR_DRX_WRITE, "instr_drx_write", "drx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
524 { DBGFEVENT_INSTR_PAUSE, "instr_pause", "pause", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
525 { DBGFEVENT_INSTR_XSETBV, "instr_xsetbv", "xsetbv", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
526 { DBGFEVENT_INSTR_SIDT, "instr_sidt", "sidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
527 { DBGFEVENT_INSTR_LIDT, "instr_lidt", "lidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
528 { DBGFEVENT_INSTR_SGDT, "instr_sgdt", "sgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
529 { DBGFEVENT_INSTR_LGDT, "instr_lgdt", "lgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
530 { DBGFEVENT_INSTR_SLDT, "instr_sldt", "sldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
531 { DBGFEVENT_INSTR_LLDT, "instr_lldt", "lldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
532 { DBGFEVENT_INSTR_STR, "instr_str", "str", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
533 { DBGFEVENT_INSTR_LTR, "instr_ltr", "ltr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
534 { DBGFEVENT_INSTR_GETSEC, "instr_getsec", "getsec", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
535 { DBGFEVENT_INSTR_RSM, "instr_rsm", "rsm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
536 { DBGFEVENT_INSTR_RDRAND, "instr_rdrand", "rdrand", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
537 { DBGFEVENT_INSTR_RDSEED, "instr_rdseed", "rdseed", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
538 { DBGFEVENT_INSTR_XSAVES, "instr_xsaves", "xsaves", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
539 { DBGFEVENT_INSTR_XRSTORS, "instr_xrstors", "xrstors", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
540 { DBGFEVENT_INSTR_VMM_CALL, "instr_vmm_call", "vmm_call", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
541 { DBGFEVENT_INSTR_VMX_VMCLEAR, "instr_vmx_vmclear", "vmclear", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
542 { DBGFEVENT_INSTR_VMX_VMLAUNCH, "instr_vmx_vmlaunch", "vmlaunch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
543 { DBGFEVENT_INSTR_VMX_VMPTRLD, "instr_vmx_vmptrld", "vmptrld", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
544 { DBGFEVENT_INSTR_VMX_VMPTRST, "instr_vmx_vmptrst", "vmptrst", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
545 { DBGFEVENT_INSTR_VMX_VMREAD, "instr_vmx_vmread", "vmread", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
546 { DBGFEVENT_INSTR_VMX_VMRESUME, "instr_vmx_vmresume", "vmresume", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
547 { DBGFEVENT_INSTR_VMX_VMWRITE, "instr_vmx_vmwrite", "vmwrite", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
548 { DBGFEVENT_INSTR_VMX_VMXOFF, "instr_vmx_vmxoff", "vmxoff", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
549 { DBGFEVENT_INSTR_VMX_VMXON, "instr_vmx_vmxon", "vmxon", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
550 { DBGFEVENT_INSTR_VMX_VMFUNC, "instr_vmx_vmfunc", "vmfunc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
551 { DBGFEVENT_INSTR_VMX_INVEPT, "instr_vmx_invept", "invept", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
552 { DBGFEVENT_INSTR_VMX_INVVPID, "instr_vmx_invvpid", "invvpid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
553 { DBGFEVENT_INSTR_VMX_INVPCID, "instr_vmx_invpcid", "invpcid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
554 { DBGFEVENT_INSTR_SVM_VMRUN, "instr_svm_vmrun", "vmrun", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
555 { DBGFEVENT_INSTR_SVM_VMLOAD, "instr_svm_vmload", "vmload", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
556 { DBGFEVENT_INSTR_SVM_VMSAVE, "instr_svm_vmsave", "vmsave", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
557 { DBGFEVENT_INSTR_SVM_STGI, "instr_svm_stgi", "stgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
558 { DBGFEVENT_INSTR_SVM_CLGI, "instr_svm_clgi", "clgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
559 { DBGFEVENT_EXIT_TASK_SWITCH, "exit_task_switch", "task_switch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
560 { DBGFEVENT_EXIT_HALT, "exit_halt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
561 { DBGFEVENT_EXIT_MWAIT, "exit_mwait", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
562 { DBGFEVENT_EXIT_MONITOR, "exit_monitor", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
563 { DBGFEVENT_EXIT_CPUID, "exit_cpuid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
564 { DBGFEVENT_EXIT_INVD, "exit_invd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
565 { DBGFEVENT_EXIT_WBINVD, "exit_wbinvd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
566 { DBGFEVENT_EXIT_INVLPG, "exit_invlpg", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
567 { DBGFEVENT_EXIT_RDTSC, "exit_rdtsc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
568 { DBGFEVENT_EXIT_RDTSCP, "exit_rdtscp", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
569 { DBGFEVENT_EXIT_RDPMC, "exit_rdpmc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
570 { DBGFEVENT_EXIT_RDMSR, "exit_rdmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
571 { DBGFEVENT_EXIT_WRMSR, "exit_wrmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
572 { DBGFEVENT_EXIT_CRX_READ, "exit_crx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
573 { DBGFEVENT_EXIT_CRX_WRITE, "exit_crx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
574 { DBGFEVENT_EXIT_DRX_READ, "exit_drx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
575 { DBGFEVENT_EXIT_DRX_WRITE, "exit_drx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
576 { DBGFEVENT_EXIT_PAUSE, "exit_pause", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
577 { DBGFEVENT_EXIT_XSETBV, "exit_xsetbv", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
578 { DBGFEVENT_EXIT_SIDT, "exit_sidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
579 { DBGFEVENT_EXIT_LIDT, "exit_lidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
580 { DBGFEVENT_EXIT_SGDT, "exit_sgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
581 { DBGFEVENT_EXIT_LGDT, "exit_lgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
582 { DBGFEVENT_EXIT_SLDT, "exit_sldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
583 { DBGFEVENT_EXIT_LLDT, "exit_lldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
584 { DBGFEVENT_EXIT_STR, "exit_str", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
585 { DBGFEVENT_EXIT_LTR, "exit_ltr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
586 { DBGFEVENT_EXIT_GETSEC, "exit_getsec", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
587 { DBGFEVENT_EXIT_RSM, "exit_rsm", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
588 { DBGFEVENT_EXIT_RDRAND, "exit_rdrand", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
589 { DBGFEVENT_EXIT_RDSEED, "exit_rdseed", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
590 { DBGFEVENT_EXIT_XSAVES, "exit_xsaves", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
591 { DBGFEVENT_EXIT_XRSTORS, "exit_xrstors", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
592 { DBGFEVENT_EXIT_VMM_CALL, "exit_vmm_call", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
593 { DBGFEVENT_EXIT_VMX_VMCLEAR, "exit_vmx_vmclear", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
594 { DBGFEVENT_EXIT_VMX_VMLAUNCH, "exit_vmx_vmlaunch", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
595 { DBGFEVENT_EXIT_VMX_VMPTRLD, "exit_vmx_vmptrld", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
596 { DBGFEVENT_EXIT_VMX_VMPTRST, "exit_vmx_vmptrst", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
597 { DBGFEVENT_EXIT_VMX_VMREAD, "exit_vmx_vmread", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
598 { DBGFEVENT_EXIT_VMX_VMRESUME, "exit_vmx_vmresume", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
599 { DBGFEVENT_EXIT_VMX_VMWRITE, "exit_vmx_vmwrite", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
600 { DBGFEVENT_EXIT_VMX_VMXOFF, "exit_vmx_vmxoff", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
601 { DBGFEVENT_EXIT_VMX_VMXON, "exit_vmx_vmxon", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
602 { DBGFEVENT_EXIT_VMX_VMFUNC, "exit_vmx_vmfunc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
603 { DBGFEVENT_EXIT_VMX_INVEPT, "exit_vmx_invept", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
604 { DBGFEVENT_EXIT_VMX_INVVPID, "exit_vmx_invvpid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
605 { DBGFEVENT_EXIT_VMX_INVPCID, "exit_vmx_invpcid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
606 { DBGFEVENT_EXIT_VMX_EPT_VIOLATION, "exit_vmx_ept_violation", "eptvio", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
607 { DBGFEVENT_EXIT_VMX_EPT_MISCONFIG, "exit_vmx_ept_misconfig", "eptmis", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
608 { DBGFEVENT_EXIT_VMX_VAPIC_ACCESS, "exit_vmx_vapic_access", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
609 { DBGFEVENT_EXIT_VMX_VAPIC_WRITE, "exit_vmx_vapic_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
610 { DBGFEVENT_EXIT_SVM_VMRUN, "exit_svm_vmrun", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
611 { DBGFEVENT_EXIT_SVM_VMLOAD, "exit_svm_vmload", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
612 { DBGFEVENT_EXIT_SVM_VMSAVE, "exit_svm_vmsave", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
613 { DBGFEVENT_EXIT_SVM_STGI, "exit_svm_stgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
614 { DBGFEVENT_EXIT_SVM_CLGI, "exit_svm_clgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
615 { DBGFEVENT_IOPORT_UNASSIGNED, "pio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
616 { DBGFEVENT_IOPORT_UNUSED, "pio_unused", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
617 { DBGFEVENT_MEMORY_UNASSIGNED, "mmio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
618 { DBGFEVENT_MEMORY_ROM_WRITE, "rom_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
619 { DBGFEVENT_BSOD_MSR, "bsod_msr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
620 { DBGFEVENT_BSOD_EFI, "bsod_efi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
621};
622/** Number of entries in g_aDbgcSxEvents. */
623const uint32_t g_cDbgcSxEvents = RT_ELEMENTS(g_aDbgcSxEvents);
624
625
626
627/**
628 * @callback_method_impl{FNDBGCCMD, The 'g' command.}
629 */
630static DECLCALLBACK(int) dbgcCmdGo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
631{
632 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
633
634 /*
635 * Check if the VM is halted or not before trying to resume it.
636 */
637 if (!DBGFR3IsHalted(pUVM))
638 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The VM is already running");
639
640 int rc = DBGFR3Resume(pUVM);
641 if (RT_FAILURE(rc))
642 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3Resume");
643
644 NOREF(paArgs); NOREF(cArgs);
645 return VINF_SUCCESS;
646}
647
648
649/**
650 * @callback_method_impl{FNDBGCCMD, The 'gu' command.}
651 */
652static DECLCALLBACK(int) dbgcCmdGoUp(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
653{
654 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
655 RT_NOREF(pCmd, paArgs, cArgs);
656
657 /* The simple way out. */
658 PDBGFADDRESS pStackPop = NULL; /** @todo try set up some stack limitations */
659 RTGCPTR cbStackPop = 0;
660 int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, DBGF_STEP_F_OVER | DBGF_STEP_F_STOP_AFTER_RET, NULL, pStackPop, cbStackPop, _512K);
661 if (RT_SUCCESS(rc))
662 pDbgc->fReady = false;
663 else
664 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,DBGF_STEP_F_OVER | DBGF_STEP_F_STOP_AFTER_RET,) failed");
665 return rc;
666}
667
668
669/**
670 * @callback_method_impl{FNDBGCCMD, The 'ba' command.}
671 */
672static DECLCALLBACK(int) dbgcCmdBrkAccess(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
673{
674 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
675
676 /*
677 * Interpret access type.
678 */
679 if ( !strchr("xrwi", paArgs[0].u.pszString[0])
680 || paArgs[0].u.pszString[1])
681 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access type '%s' for '%s'. Valid types are 'e', 'r', 'w' and 'i'",
682 paArgs[0].u.pszString, pCmd->pszCmd);
683 uint8_t fType = 0;
684 switch (paArgs[0].u.pszString[0])
685 {
686 case 'x': fType = X86_DR7_RW_EO; break;
687 case 'r': fType = X86_DR7_RW_RW; break;
688 case 'w': fType = X86_DR7_RW_WO; break;
689 case 'i': fType = X86_DR7_RW_IO; break;
690 }
691
692 /*
693 * Validate size.
694 */
695 if (fType == X86_DR7_RW_EO && paArgs[1].u.u64Number != 1)
696 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 'x' access type requires size 1!",
697 paArgs[1].u.u64Number, pCmd->pszCmd);
698 switch (paArgs[1].u.u64Number)
699 {
700 case 1:
701 case 2:
702 case 4:
703 break;
704 /*case 8: - later*/
705 default:
706 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 1, 2 or 4!",
707 paArgs[1].u.u64Number, pCmd->pszCmd);
708 }
709 uint8_t cb = (uint8_t)paArgs[1].u.u64Number;
710
711 /*
712 * Convert the pointer to a DBGF address.
713 */
714 DBGFADDRESS Address;
715 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[2], &Address);
716 if (RT_FAILURE(rc))
717 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%DV,)", &paArgs[2]);
718
719 /*
720 * Pick out the optional arguments.
721 */
722 uint64_t iHitTrigger = 0;
723 uint64_t iHitDisable = UINT64_MAX;
724 const char *pszCmds = NULL;
725 unsigned iArg = 3;
726 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
727 {
728 iHitTrigger = paArgs[iArg].u.u64Number;
729 iArg++;
730 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
731 {
732 iHitDisable = paArgs[iArg].u.u64Number;
733 iArg++;
734 }
735 }
736 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
737 {
738 pszCmds = paArgs[iArg].u.pszString;
739 iArg++;
740 }
741
742 /*
743 * Try set the breakpoint.
744 */
745 uint32_t iBp;
746 rc = DBGFR3BpSetReg(pUVM, &Address, iHitTrigger, iHitDisable, fType, cb, &iBp);
747 if (RT_SUCCESS(rc))
748 {
749 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
750 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
751 if (RT_SUCCESS(rc))
752 return DBGCCmdHlpPrintf(pCmdHlp, "Set access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
753 if (rc == VERR_DBGC_BP_EXISTS)
754 {
755 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
756 if (RT_SUCCESS(rc))
757 return DBGCCmdHlpPrintf(pCmdHlp, "Updated access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
758 }
759 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
760 AssertRC(rc2);
761 }
762 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set access breakpoint at %RGv", Address.FlatPtr);
763}
764
765
766/**
767 * @callback_method_impl{FNDBGCCMD, The 'bc' command.}
768 */
769static DECLCALLBACK(int) dbgcCmdBrkClear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
770{
771 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
772
773 /*
774 * Enumerate the arguments.
775 */
776 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
777 int rc = VINF_SUCCESS;
778 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
779 {
780 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
781 {
782 /* one */
783 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
784 if (iBp == paArgs[iArg].u.u64Number)
785 {
786 int rc2 = DBGFR3BpClear(pUVM, iBp);
787 if (RT_FAILURE(rc2))
788 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
789 if (RT_SUCCESS(rc2) || rc2 == VERR_DBGF_BP_NOT_FOUND)
790 dbgcBpDelete(pDbgc, iBp);
791 }
792 else
793 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
794 }
795 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
796 {
797 /* all */
798 PDBGCBP pBp = pDbgc->pFirstBp;
799 while (pBp)
800 {
801 uint32_t iBp = pBp->iBp;
802 pBp = pBp->pNext;
803
804 int rc2 = DBGFR3BpClear(pUVM, iBp);
805 if (RT_FAILURE(rc2))
806 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
807 if (RT_SUCCESS(rc2) || rc2 == VERR_DBGF_BP_NOT_FOUND)
808 dbgcBpDelete(pDbgc, iBp);
809 }
810 }
811 else
812 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
813 }
814 return rc;
815}
816
817
818/**
819 * @callback_method_impl{FNDBGCCMD, The 'bd' command.}
820 */
821static DECLCALLBACK(int) dbgcCmdBrkDisable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
822{
823 /*
824 * Enumerate the arguments.
825 */
826 int rc = VINF_SUCCESS;
827 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
828 {
829 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
830 {
831 /* one */
832 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
833 if (iBp == paArgs[iArg].u.u64Number)
834 {
835 rc = DBGFR3BpDisable(pUVM, iBp);
836 if (RT_FAILURE(rc))
837 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpDisable failed for breakpoint %#x", iBp);
838 }
839 else
840 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
841 }
842 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
843 {
844 /* all */
845 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
846 for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
847 {
848 int rc2 = DBGFR3BpDisable(pUVM, pBp->iBp);
849 if (RT_FAILURE(rc2))
850 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpDisable failed for breakpoint %#x", pBp->iBp);
851 }
852 }
853 else
854 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
855 }
856 return rc;
857}
858
859
860/**
861 * @callback_method_impl{FNDBGCCMD, The 'be' command.}
862 */
863static DECLCALLBACK(int) dbgcCmdBrkEnable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
864{
865 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
866
867 /*
868 * Enumerate the arguments.
869 */
870 int rc = VINF_SUCCESS;
871 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
872 {
873 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
874 {
875 /* one */
876 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
877 if (iBp == paArgs[iArg].u.u64Number)
878 {
879 rc = DBGFR3BpEnable(pUVM, iBp);
880 if (RT_FAILURE(rc))
881 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnable failed for breakpoint %#x", iBp);
882 }
883 else
884 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
885 }
886 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
887 {
888 /* all */
889 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
890 for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
891 {
892 int rc2 = DBGFR3BpEnable(pUVM, pBp->iBp);
893 if (RT_FAILURE(rc2))
894 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpEnable failed for breakpoint %#x", pBp->iBp);
895 }
896 }
897 else
898 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
899 }
900 return rc;
901}
902
903
904/**
905 * Breakpoint enumeration callback function.
906 *
907 * @returns VBox status code. Any failure will stop the enumeration.
908 * @param pUVM The user mode VM handle.
909 * @param pvUser The user argument.
910 * @param pBp Pointer to the breakpoint information. (readonly)
911 */
912static DECLCALLBACK(int) dbgcEnumBreakpointsCallback(PUVM pUVM, void *pvUser, PCDBGFBP pBp)
913{
914 PDBGC pDbgc = (PDBGC)pvUser;
915 PDBGCBP pDbgcBp = dbgcBpGet(pDbgc, pBp->iBp);
916
917 /*
918 * BP type and size.
919 */
920 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%#4x %c ", pBp->iBp, pBp->fEnabled ? 'e' : 'd');
921 bool fHasAddress = false;
922 switch (pBp->enmType)
923 {
924 case DBGFBPTYPE_INT3:
925 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " p %RGv", pBp->u.Int3.GCPtr);
926 fHasAddress = true;
927 break;
928 case DBGFBPTYPE_REG:
929 {
930 char chType;
931 switch (pBp->u.Reg.fType)
932 {
933 case X86_DR7_RW_EO: chType = 'x'; break;
934 case X86_DR7_RW_WO: chType = 'w'; break;
935 case X86_DR7_RW_IO: chType = 'i'; break;
936 case X86_DR7_RW_RW: chType = 'r'; break;
937 default: chType = '?'; break;
938
939 }
940 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%d %c %RGv", pBp->u.Reg.cb, chType, pBp->u.Reg.GCPtr);
941 fHasAddress = true;
942 break;
943 }
944
945 case DBGFBPTYPE_REM:
946 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " r %RGv", pBp->u.Rem.GCPtr);
947 fHasAddress = true;
948 break;
949
950/** @todo realign the list when I/O and MMIO breakpoint command have been added and it's possible to test this code. */
951 case DBGFBPTYPE_PORT_IO:
952 case DBGFBPTYPE_MMIO:
953 {
954 uint32_t fAccess = pBp->enmType == DBGFBPTYPE_PORT_IO ? pBp->u.PortIo.fAccess : pBp->u.Mmio.fAccess;
955 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, pBp->enmType == DBGFBPTYPE_PORT_IO ? " i" : " m");
956 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
957 fAccess & DBGFBPIOACCESS_READ_MASK ? 'r' : '-',
958 fAccess & DBGFBPIOACCESS_READ_BYTE ? '1' : '-',
959 fAccess & DBGFBPIOACCESS_READ_WORD ? '2' : '-',
960 fAccess & DBGFBPIOACCESS_READ_DWORD ? '4' : '-',
961 fAccess & DBGFBPIOACCESS_READ_QWORD ? '8' : '-',
962 fAccess & DBGFBPIOACCESS_READ_OTHER ? '+' : '-');
963 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
964 fAccess & DBGFBPIOACCESS_WRITE_MASK ? 'w' : '-',
965 fAccess & DBGFBPIOACCESS_WRITE_BYTE ? '1' : '-',
966 fAccess & DBGFBPIOACCESS_WRITE_WORD ? '2' : '-',
967 fAccess & DBGFBPIOACCESS_WRITE_DWORD ? '4' : '-',
968 fAccess & DBGFBPIOACCESS_WRITE_QWORD ? '8' : '-',
969 fAccess & DBGFBPIOACCESS_WRITE_OTHER ? '+' : '-');
970 if (pBp->enmType == DBGFBPTYPE_PORT_IO)
971 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04x-%04x",
972 pBp->u.PortIo.uPort, pBp->u.PortIo.uPort + pBp->u.PortIo.cPorts - 1);
973 else
974 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%RGp LB %03x", pBp->u.Mmio.PhysAddr, pBp->u.Mmio.cb);
975 break;
976 }
977
978 default:
979 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " unknown type %d!!", pBp->enmType);
980 AssertFailed();
981 break;
982
983 }
984 if (pBp->iHitDisable == ~(uint64_t)0)
985 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to ~0) ", pBp->cHits, pBp->iHitTrigger);
986 else
987 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to %04RX64)", pBp->cHits, pBp->iHitTrigger, pBp->iHitDisable);
988
989 /*
990 * Try resolve the address if it has one.
991 */
992 if (fHasAddress)
993 {
994 RTDBGSYMBOL Sym;
995 RTINTPTR off;
996 DBGFADDRESS Addr;
997 int rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, pBp->u.GCPtr),
998 RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL, &off, &Sym, NULL);
999 if (RT_SUCCESS(rc))
1000 {
1001 if (!off)
1002 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s", Sym.szName);
1003 else if (off > 0)
1004 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s+%RGv", Sym.szName, off);
1005 else
1006 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s-%RGv", Sym.szName, -off);
1007 }
1008 }
1009
1010 /*
1011 * The commands.
1012 */
1013 if (pDbgcBp)
1014 {
1015 if (pDbgcBp->cchCmd)
1016 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n cmds: '%s'\n", pDbgcBp->szCmd);
1017 else
1018 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n");
1019 }
1020 else
1021 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " [unknown bp]\n");
1022
1023 return VINF_SUCCESS;
1024}
1025
1026
1027/**
1028 * @callback_method_impl{FNDBGCCMD, The 'bl' command.}
1029 */
1030static DECLCALLBACK(int) dbgcCmdBrkList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1031{
1032 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1033 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs == 0);
1034 NOREF(paArgs);
1035
1036 /*
1037 * Enumerate the breakpoints.
1038 */
1039 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1040 int rc = DBGFR3BpEnum(pUVM, dbgcEnumBreakpointsCallback, pDbgc);
1041 if (RT_FAILURE(rc))
1042 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnum");
1043 return rc;
1044}
1045
1046
1047/**
1048 * @callback_method_impl{FNDBGCCMD, The 'bp' command.}
1049 */
1050static DECLCALLBACK(int) dbgcCmdBrkSet(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1051{
1052 /*
1053 * Convert the pointer to a DBGF address.
1054 */
1055 DBGFADDRESS Address;
1056 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1057 if (RT_FAILURE(rc))
1058 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1059
1060 /*
1061 * Pick out the optional arguments.
1062 */
1063 uint64_t iHitTrigger = 0;
1064 uint64_t iHitDisable = UINT64_MAX;
1065 const char *pszCmds = NULL;
1066 unsigned iArg = 1;
1067 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1068 {
1069 iHitTrigger = paArgs[iArg].u.u64Number;
1070 iArg++;
1071 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1072 {
1073 iHitDisable = paArgs[iArg].u.u64Number;
1074 iArg++;
1075 }
1076 }
1077 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1078 {
1079 pszCmds = paArgs[iArg].u.pszString;
1080 iArg++;
1081 }
1082
1083 /*
1084 * Try set the breakpoint.
1085 */
1086 uint32_t iBp;
1087 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1088 rc = DBGFR3BpSetInt3(pUVM, pDbgc->idCpu, &Address, iHitTrigger, iHitDisable, &iBp);
1089 if (RT_SUCCESS(rc))
1090 {
1091 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1092 if (RT_SUCCESS(rc))
1093 return DBGCCmdHlpPrintf(pCmdHlp, "Set breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1094 if (rc == VERR_DBGC_BP_EXISTS)
1095 {
1096 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1097 if (RT_SUCCESS(rc))
1098 return DBGCCmdHlpPrintf(pCmdHlp, "Updated breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1099 }
1100 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1101 AssertRC(rc2);
1102 }
1103 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set breakpoint at %RGv", Address.FlatPtr);
1104}
1105
1106
1107/**
1108 * @callback_method_impl{FNDBGCCMD, The 'br' command.}
1109 */
1110static DECLCALLBACK(int) dbgcCmdBrkREM(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1111{
1112 /*
1113 * Convert the pointer to a DBGF address.
1114 */
1115 DBGFADDRESS Address;
1116 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1117 if (RT_FAILURE(rc))
1118 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1119
1120 /*
1121 * Pick out the optional arguments.
1122 */
1123 uint64_t iHitTrigger = 0;
1124 uint64_t iHitDisable = UINT64_MAX;
1125 const char *pszCmds = NULL;
1126 unsigned iArg = 1;
1127 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1128 {
1129 iHitTrigger = paArgs[iArg].u.u64Number;
1130 iArg++;
1131 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1132 {
1133 iHitDisable = paArgs[iArg].u.u64Number;
1134 iArg++;
1135 }
1136 }
1137 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1138 {
1139 pszCmds = paArgs[iArg].u.pszString;
1140 iArg++;
1141 }
1142
1143 /*
1144 * Try set the breakpoint.
1145 */
1146 uint32_t iBp;
1147 rc = DBGFR3BpSetREM(pUVM, &Address, iHitTrigger, iHitDisable, &iBp);
1148 if (RT_SUCCESS(rc))
1149 {
1150 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1151 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1152 if (RT_SUCCESS(rc))
1153 return DBGCCmdHlpPrintf(pCmdHlp, "Set REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1154 if (rc == VERR_DBGC_BP_EXISTS)
1155 {
1156 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1157 if (RT_SUCCESS(rc))
1158 return DBGCCmdHlpPrintf(pCmdHlp, "Updated REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1159 }
1160 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1161 AssertRC(rc2);
1162 }
1163 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set REM breakpoint at %RGv", Address.FlatPtr);
1164}
1165
1166
1167/**
1168 * Helps the unassmble ('u') command display symbols it starts at and passes.
1169 *
1170 * @param pUVM The user mode VM handle.
1171 * @param pCmdHlp The command helpers for printing via.
1172 * @param hDbgAs The address space to look up addresses in.
1173 * @param pAddress The current address.
1174 * @param pcbCallAgain Where to return the distance to the next check (in
1175 * instruction bytes).
1176 */
1177static void dbgcCmdUnassambleHelpListNear(PUVM pUVM, PDBGCCMDHLP pCmdHlp, RTDBGAS hDbgAs, PCDBGFADDRESS pAddress,
1178 PRTUINTPTR pcbCallAgain)
1179{
1180 RTDBGSYMBOL Symbol;
1181 RTGCINTPTR offDispSym;
1182 int rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress, RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL, &offDispSym, &Symbol, NULL);
1183 if (RT_FAILURE(rc) || offDispSym > _1G)
1184 rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress, RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL, &offDispSym, &Symbol, NULL);
1185 if (RT_SUCCESS(rc) && offDispSym < _1G)
1186 {
1187 if (!offDispSym)
1188 {
1189 DBGCCmdHlpPrintf(pCmdHlp, "%s:\n", Symbol.szName);
1190 *pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb;
1191 }
1192 else if (offDispSym > 0)
1193 {
1194 DBGCCmdHlpPrintf(pCmdHlp, "%s+%#llx:\n", Symbol.szName, (uint64_t)offDispSym);
1195 *pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb > (RTGCUINTPTR)offDispSym ? Symbol.cb - (RTGCUINTPTR)offDispSym : 1;
1196 }
1197 else
1198 {
1199 DBGCCmdHlpPrintf(pCmdHlp, "%s-%#llx:\n", Symbol.szName, (uint64_t)-offDispSym);
1200 *pcbCallAgain = !Symbol.cb ? 64 : (RTGCUINTPTR)-offDispSym + Symbol.cb;
1201 }
1202 }
1203 else
1204 *pcbCallAgain = UINT32_MAX;
1205}
1206
1207
1208/**
1209 * @callback_method_impl{FNDBGCCMD, The 'u' command.}
1210 */
1211static DECLCALLBACK(int) dbgcCmdUnassemble(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1212{
1213 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1214
1215 /*
1216 * Validate input.
1217 */
1218 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1219 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
1220 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
1221
1222 if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1223 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
1224
1225 /*
1226 * Check the desired mode.
1227 */
1228 unsigned fFlags = DBGF_DISAS_FLAGS_NO_ADDRESS | DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
1229 switch (pCmd->pszCmd[1])
1230 {
1231 default: AssertFailed();
1232 case '\0': fFlags |= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
1233 case '6': fFlags |= DBGF_DISAS_FLAGS_64BIT_MODE; break;
1234 case '3': fFlags |= DBGF_DISAS_FLAGS_32BIT_MODE; break;
1235 case '1': fFlags |= DBGF_DISAS_FLAGS_16BIT_MODE; break;
1236 case 'v': fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
1237 }
1238
1239 /** @todo should use DBGFADDRESS for everything */
1240
1241 /*
1242 * Find address.
1243 */
1244 if (!cArgs)
1245 {
1246 if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1247 {
1248 /** @todo Batch query CS, RIP, CPU mode and flags. */
1249 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
1250 if ( pDbgc->fRegCtxGuest
1251 && CPUMIsGuestIn64BitCode(pVCpu))
1252 {
1253 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
1254 pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
1255 }
1256 else
1257 {
1258 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
1259 pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
1260 pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
1261 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
1262 && pDbgc->fRegCtxGuest
1263 && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
1264 {
1265 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1266 fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
1267 }
1268 }
1269
1270 if (pDbgc->fRegCtxGuest)
1271 fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST;
1272 else
1273 fFlags |= DBGF_DISAS_FLAGS_CURRENT_HYPER | DBGF_DISAS_FLAGS_HYPER;
1274 }
1275 else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
1276 {
1277 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1278 fFlags |= pDbgc->fDisasm & (DBGF_DISAS_FLAGS_MODE_MASK | DBGF_DISAS_FLAGS_HYPER);
1279 }
1280 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
1281 }
1282 else
1283 pDbgc->DisasmPos = paArgs[0];
1284 pDbgc->pLastPos = &pDbgc->DisasmPos;
1285
1286 /*
1287 * Range.
1288 */
1289 switch (pDbgc->DisasmPos.enmRangeType)
1290 {
1291 case DBGCVAR_RANGE_NONE:
1292 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
1293 pDbgc->DisasmPos.u64Range = 10;
1294 break;
1295
1296 case DBGCVAR_RANGE_ELEMENTS:
1297 if (pDbgc->DisasmPos.u64Range > 2048)
1298 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
1299 break;
1300
1301 case DBGCVAR_RANGE_BYTES:
1302 if (pDbgc->DisasmPos.u64Range > 65536)
1303 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
1304 break;
1305
1306 default:
1307 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
1308 }
1309
1310 /*
1311 * Convert physical and host addresses to guest addresses.
1312 */
1313 RTDBGAS hDbgAs = pDbgc->hDbgAs;
1314 int rc;
1315 switch (pDbgc->DisasmPos.enmType)
1316 {
1317 case DBGCVAR_TYPE_GC_FLAT:
1318 case DBGCVAR_TYPE_GC_FAR:
1319 break;
1320 case DBGCVAR_TYPE_GC_PHYS:
1321 hDbgAs = DBGF_AS_PHYS;
1322 case DBGCVAR_TYPE_HC_FLAT:
1323 case DBGCVAR_TYPE_HC_PHYS:
1324 {
1325 DBGCVAR VarTmp;
1326 rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
1327 if (RT_FAILURE(rc))
1328 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
1329 pDbgc->DisasmPos = VarTmp;
1330 break;
1331 }
1332 default: AssertFailed(); break;
1333 }
1334
1335 DBGFADDRESS CurAddr;
1336 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1337 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1338 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1339 else
1340 {
1341 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1342 if (RT_FAILURE(rc))
1343 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
1344 }
1345
1346 if (CurAddr.fFlags & DBGFADDRESS_FLAGS_HMA)
1347 fFlags |= DBGF_DISAS_FLAGS_HYPER; /* This crap is due to not using DBGFADDRESS as DBGFR3Disas* input. */
1348 pDbgc->fDisasm = fFlags;
1349
1350 /*
1351 * Figure out where we are and display it. Also calculate when we need to
1352 * check for a new symbol if possible.
1353 */
1354 RTGCUINTPTR cbCheckSymbol;
1355 dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1356
1357 /*
1358 * Do the disassembling.
1359 */
1360 unsigned cTries = 32;
1361 int iRangeLeft = (int)pDbgc->DisasmPos.u64Range;
1362 if (iRangeLeft == 0) /* kludge for 'r'. */
1363 iRangeLeft = -1;
1364 for (;;)
1365 {
1366 /*
1367 * Disassemble the instruction.
1368 */
1369 char szDis[256];
1370 uint32_t cbInstr = 1;
1371 if (pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FLAT)
1372 rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, DBGF_SEL_FLAT, pDbgc->DisasmPos.u.GCFlat, fFlags,
1373 &szDis[0], sizeof(szDis), &cbInstr);
1374 else
1375 rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, pDbgc->DisasmPos.u.GCFar.sel, pDbgc->DisasmPos.u.GCFar.off, fFlags,
1376 &szDis[0], sizeof(szDis), &cbInstr);
1377 if (RT_SUCCESS(rc))
1378 {
1379 /* print it */
1380 rc = DBGCCmdHlpPrintf(pCmdHlp, "%-16DV %s\n", &pDbgc->DisasmPos, &szDis[0]);
1381 if (RT_FAILURE(rc))
1382 return rc;
1383 }
1384 else
1385 {
1386 /* bitch. */
1387 int rc2 = DBGCCmdHlpPrintf(pCmdHlp, "Failed to disassemble instruction, skipping one byte.\n");
1388 if (RT_FAILURE(rc2))
1389 return rc2;
1390 if (cTries-- > 0)
1391 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Too many disassembly failures. Giving up");
1392 cbInstr = 1;
1393 }
1394
1395 /* advance */
1396 if (iRangeLeft < 0) /* 'r' */
1397 break;
1398 if (pDbgc->DisasmPos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
1399 iRangeLeft--;
1400 else
1401 iRangeLeft -= cbInstr;
1402 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DisasmPos, "(%Dv) + %x", &pDbgc->DisasmPos, cbInstr);
1403 if (RT_FAILURE(rc))
1404 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpEval(,,'(%Dv) + %x')", &pDbgc->DisasmPos, cbInstr);
1405 if (iRangeLeft <= 0)
1406 break;
1407 fFlags &= ~(DBGF_DISAS_FLAGS_CURRENT_GUEST | DBGF_DISAS_FLAGS_CURRENT_HYPER);
1408
1409 /* Print next symbol? */
1410 if (cbCheckSymbol <= cbInstr)
1411 {
1412 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1413 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1414 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1415 else
1416 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1417 if (RT_SUCCESS(rc))
1418 dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1419 else
1420 cbCheckSymbol = UINT32_MAX;
1421 }
1422 else
1423 cbCheckSymbol -= cbInstr;
1424 }
1425
1426 NOREF(pCmd);
1427 return VINF_SUCCESS;
1428}
1429
1430
1431/**
1432 * @callback_method_impl{FNDGCSCREENBLIT}
1433 */
1434static DECLCALLBACK(int) dbgcCmdUnassembleCfgBlit(const char *psz, void *pvUser)
1435{
1436 PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
1437 return DBGCCmdHlpPrintf(pCmdHlp, "%s", psz);
1438}
1439
1440
1441/**
1442 * Checks whether both addresses are equal.
1443 *
1444 * @returns true if both addresses point to the same location, false otherwise.
1445 * @param pAddr1 First address.
1446 * @param pAddr2 Second address.
1447 */
1448static bool dbgcCmdUnassembleCfgAddrEqual(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1449{
1450 return pAddr1->Sel == pAddr2->Sel
1451 && pAddr1->off == pAddr2->off;
1452}
1453
1454
1455/**
1456 * Checks whether the first given address is lower than the second one.
1457 *
1458 * @returns true if both addresses point to the same location, false otherwise.
1459 * @param pAddr1 First address.
1460 * @param pAddr2 Second address.
1461 */
1462static bool dbgcCmdUnassembleCfgAddrLower(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1463{
1464 return pAddr1->Sel == pAddr2->Sel
1465 && pAddr1->off < pAddr2->off;
1466}
1467
1468
1469/**
1470 * Calculates the size required for the given basic block including the
1471 * border and spacing on the edges.
1472 *
1473 * @returns nothing.
1474 * @param hFlowBb The basic block handle.
1475 * @param pDumpBb The dumper state to fill in for the basic block.
1476 */
1477static void dbgcCmdUnassembleCfgDumpCalcBbSize(DBGFFLOWBB hFlowBb, PDBGCFLOWBBDUMP pDumpBb)
1478{
1479 uint32_t fFlags = DBGFR3FlowBbGetFlags(hFlowBb);
1480 uint32_t cInstr = DBGFR3FlowBbGetInstrCount(hFlowBb);
1481
1482 pDumpBb->hFlowBb = hFlowBb;
1483 pDumpBb->cchHeight = cInstr + 4; /* Include spacing and border top and bottom. */
1484 pDumpBb->cchWidth = 0;
1485 DBGFR3FlowBbGetStartAddress(hFlowBb, &pDumpBb->AddrStart);
1486
1487 DBGFFLOWBBENDTYPE enmType = DBGFR3FlowBbGetType(hFlowBb);
1488 if ( enmType == DBGFFLOWBBENDTYPE_COND
1489 || enmType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1490 || enmType == DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP)
1491 DBGFR3FlowBbGetBranchAddress(hFlowBb, &pDumpBb->AddrTarget);
1492
1493 if (fFlags & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1494 {
1495 const char *pszErr = NULL;
1496 DBGFR3FlowBbQueryError(hFlowBb, &pszErr);
1497 if (pszErr)
1498 {
1499 pDumpBb->cchHeight++;
1500 pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszErr));
1501 }
1502 }
1503 for (unsigned i = 0; i < cInstr; i++)
1504 {
1505 const char *pszInstr = NULL;
1506 int rc = DBGFR3FlowBbQueryInstr(hFlowBb, i, NULL, NULL, &pszInstr);
1507 AssertRC(rc);
1508 pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszInstr));
1509 }
1510 pDumpBb->cchWidth += 4; /* Include spacing and border left and right. */
1511}
1512
1513
1514/**
1515 * Dumps a top or bottom boundary line.
1516 *
1517 * @returns nothing.
1518 * @param hScreen The screen to draw to.
1519 * @param uStartX Where to start drawing the boundary.
1520 * @param uStartY Y coordinate.
1521 * @param cchWidth Width of the boundary.
1522 * @param enmColor The color to use for drawing.
1523 */
1524static void dbgcCmdUnassembleCfgDumpBbBoundary(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1525 DBGCSCREENCOLOR enmColor)
1526{
1527 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '+', enmColor);
1528 dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1529 uStartY, '-', enmColor);
1530 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '+', enmColor);
1531}
1532
1533
1534/**
1535 * Dumps a spacing line between the top or bottom boundary and the actual disassembly.
1536 *
1537 * @returns nothing.
1538 * @param hScreen The screen to draw to.
1539 * @param uStartX Where to start drawing the spacing.
1540 * @param uStartY Y coordinate.
1541 * @param cchWidth Width of the spacing.
1542 * @param enmColor The color to use for drawing.
1543 */
1544static void dbgcCmdUnassembleCfgDumpBbSpacing(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1545 DBGCSCREENCOLOR enmColor)
1546{
1547 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmColor);
1548 dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1549 uStartY, ' ', enmColor);
1550 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmColor);
1551}
1552
1553
1554/**
1555 * Writes a given text to the screen.
1556 *
1557 * @returns nothing.
1558 * @param hScreen The screen to draw to.
1559 * @param uStartX Where to start drawing the line.
1560 * @param uStartY Y coordinate.
1561 * @param cchWidth Maximum width of the text.
1562 * @param pszText The text to write.
1563 * @param enmTextColor The color to use for drawing the text.
1564 * @param enmBorderColor The color to use for drawing the border.
1565 */
1566static void dbgcCmdUnassembleCfgDumpBbText(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY,
1567 uint32_t cchWidth, const char *pszText,
1568 DBGCSCREENCOLOR enmTextColor, DBGCSCREENCOLOR enmBorderColor)
1569{
1570 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmBorderColor);
1571 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + 1, uStartY, ' ', enmTextColor);
1572 dbgcScreenAsciiDrawString(hScreen, uStartX + 2, uStartY, pszText, enmTextColor);
1573 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmBorderColor);
1574}
1575
1576
1577/**
1578 * Dumps one basic block using the dumper callback.
1579 *
1580 * @returns nothing.
1581 * @param pDumpBb The basic block dump state to dump.
1582 * @param hScreen The screen to draw to.
1583 */
1584static void dbgcCmdUnassembleCfgDumpBb(PDBGCFLOWBBDUMP pDumpBb, DBGCSCREEN hScreen)
1585{
1586 uint32_t uStartY = pDumpBb->uStartY;
1587 bool fError = RT_BOOL(DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR);
1588 DBGCSCREENCOLOR enmColor = fError ? DBGCSCREENCOLOR_RED_BRIGHT : DBGCSCREENCOLOR_DEFAULT;
1589
1590 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1591 uStartY++;
1592 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1593 uStartY++;
1594
1595 uint32_t cInstr = DBGFR3FlowBbGetInstrCount(pDumpBb->hFlowBb);
1596 for (unsigned i = 0; i < cInstr; i++)
1597 {
1598 const char *pszInstr = NULL;
1599 DBGFR3FlowBbQueryInstr(pDumpBb->hFlowBb, i, NULL, NULL, &pszInstr);
1600 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY + i,
1601 pDumpBb->cchWidth, pszInstr, DBGCSCREENCOLOR_DEFAULT,
1602 enmColor);
1603 }
1604 uStartY += cInstr;
1605
1606 if (fError)
1607 {
1608 const char *pszErr = NULL;
1609 DBGFR3FlowBbQueryError(pDumpBb->hFlowBb, &pszErr);
1610 if (pszErr)
1611 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY,
1612 pDumpBb->cchWidth, pszErr, enmColor,
1613 enmColor);
1614 uStartY++;
1615 }
1616
1617 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1618 uStartY++;
1619 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1620 uStartY++;
1621}
1622
1623
1624/**
1625 * Dumps one branch table using the dumper callback.
1626 *
1627 * @returns nothing.
1628 * @param pDumpBranchTbl The basic block dump state to dump.
1629 * @param hScreen The screen to draw to.
1630 */
1631static void dbgcCmdUnassembleCfgDumpBranchTbl(PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl, DBGCSCREEN hScreen)
1632{
1633 uint32_t uStartY = pDumpBranchTbl->uStartY;
1634 DBGCSCREENCOLOR enmColor = DBGCSCREENCOLOR_CYAN_BRIGHT;
1635
1636 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1637 uStartY++;
1638 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1639 uStartY++;
1640
1641 uint32_t cSlots = DBGFR3FlowBranchTblGetSlots(pDumpBranchTbl->hFlowBranchTbl);
1642 for (unsigned i = 0; i < cSlots; i++)
1643 {
1644 DBGFADDRESS Addr;
1645 char szAddr[128];
1646
1647 RT_ZERO(szAddr);
1648 DBGFR3FlowBranchTblGetAddrAtSlot(pDumpBranchTbl->hFlowBranchTbl, i, &Addr);
1649
1650 if (Addr.Sel == DBGF_SEL_FLAT)
1651 RTStrPrintf(&szAddr[0], sizeof(szAddr), "%RGv", Addr.FlatPtr);
1652 else
1653 RTStrPrintf(&szAddr[0], sizeof(szAddr), "%04x:%RGv", Addr.Sel, Addr.off);
1654
1655 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBranchTbl->uStartX, uStartY + i,
1656 pDumpBranchTbl->cchWidth, &szAddr[0], DBGCSCREENCOLOR_DEFAULT,
1657 enmColor);
1658 }
1659 uStartY += cSlots;
1660
1661 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1662 uStartY++;
1663 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1664 uStartY++;
1665}
1666
1667
1668/**
1669 * Fills in the dump states for the basic blocks and branch tables.
1670 *
1671 * @returns VBox status code.
1672 * @param hFlowIt The control flow graph iterator handle.
1673 * @param hFlowBranchTblIt The control flow graph branch table iterator handle.
1674 * @param paDumpBb The array of basic block dump states.
1675 * @param paDumpBranchTbl The array of branch table dump states.
1676 * @param cBbs Number of basic blocks.
1677 * @param cBranchTbls Number of branch tables.
1678 */
1679static int dbgcCmdUnassembleCfgDumpCalcDimensions(DBGFFLOWIT hFlowIt, DBGFFLOWBRANCHTBLIT hFlowBranchTblIt,
1680 PDBGCFLOWBBDUMP paDumpBb, PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl,
1681 uint32_t cBbs, uint32_t cBranchTbls)
1682{
1683 RT_NOREF2(cBbs, cBranchTbls);
1684
1685 /* Calculate the sizes of each basic block first. */
1686 DBGFFLOWBB hFlowBb = DBGFR3FlowItNext(hFlowIt);
1687 uint32_t idx = 0;
1688 while (hFlowBb)
1689 {
1690 dbgcCmdUnassembleCfgDumpCalcBbSize(hFlowBb, &paDumpBb[idx]);
1691 idx++;
1692 hFlowBb = DBGFR3FlowItNext(hFlowIt);
1693 }
1694
1695 if (paDumpBranchTbl)
1696 {
1697 idx = 0;
1698 DBGFFLOWBRANCHTBL hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1699 while (hFlowBranchTbl)
1700 {
1701 paDumpBranchTbl[idx].hFlowBranchTbl = hFlowBranchTbl;
1702 paDumpBranchTbl[idx].cchHeight = DBGFR3FlowBranchTblGetSlots(hFlowBranchTbl) + 4; /* Spacing and border. */
1703 paDumpBranchTbl[idx].cchWidth = 25 + 4; /* Spacing and border. */
1704 idx++;
1705 hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1706 }
1707 }
1708
1709 return VINF_SUCCESS;
1710}
1711
1712/**
1713 * Dumps the given control flow graph to the output.
1714 *
1715 * @returns VBox status code.
1716 * @param hCfg The control flow graph handle.
1717 * @param fUseColor Flag whether the output should be colorized.
1718 * @param pCmdHlp The command helper callback table.
1719 */
1720static int dbgcCmdUnassembleCfgDump(DBGFFLOW hCfg, bool fUseColor, PDBGCCMDHLP pCmdHlp)
1721{
1722 int rc = VINF_SUCCESS;
1723 DBGFFLOWIT hCfgIt = NULL;
1724 DBGFFLOWBRANCHTBLIT hFlowBranchTblIt = NULL;
1725 uint32_t cBbs = DBGFR3FlowGetBbCount(hCfg);
1726 uint32_t cBranchTbls = DBGFR3FlowGetBranchTblCount(hCfg);
1727 PDBGCFLOWBBDUMP paDumpBb = (PDBGCFLOWBBDUMP)RTMemTmpAllocZ(cBbs * sizeof(DBGCFLOWBBDUMP));
1728 PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl = NULL;
1729
1730 if (cBranchTbls)
1731 paDumpBranchTbl = (PDBGCFLOWBRANCHTBLDUMP)RTMemAllocZ(cBranchTbls * sizeof(DBGCFLOWBRANCHTBLDUMP));
1732
1733 if (RT_UNLIKELY(!paDumpBb || (!paDumpBranchTbl && cBranchTbls > 0)))
1734 rc = VERR_NO_MEMORY;
1735 if (RT_SUCCESS(rc))
1736 rc = DBGFR3FlowItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hCfgIt);
1737 if (RT_SUCCESS(rc) && cBranchTbls > 0)
1738 rc = DBGFR3FlowBranchTblItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hFlowBranchTblIt);
1739
1740 if (RT_SUCCESS(rc))
1741 {
1742 rc = dbgcCmdUnassembleCfgDumpCalcDimensions(hCfgIt, hFlowBranchTblIt, paDumpBb, paDumpBranchTbl,
1743 cBbs, cBranchTbls);
1744
1745 /* Calculate the ASCII screen dimensions and create one. */
1746 uint32_t cchWidth = 0;
1747 uint32_t cchLeftExtra = 5;
1748 uint32_t cchRightExtra = 5;
1749 uint32_t cchHeight = 0;
1750 for (unsigned i = 0; i < cBbs; i++)
1751 {
1752 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1753 cchWidth = RT_MAX(cchWidth, pDumpBb->cchWidth);
1754 cchHeight += pDumpBb->cchHeight;
1755
1756 /* Incomplete blocks don't have a successor. */
1757 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1758 continue;
1759
1760 switch (DBGFR3FlowBbGetType(pDumpBb->hFlowBb))
1761 {
1762 case DBGFFLOWBBENDTYPE_EXIT:
1763 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1764 break;
1765 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1766 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1767 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1768 cchLeftExtra++;
1769 else
1770 cchRightExtra++;
1771 break;
1772 case DBGFFLOWBBENDTYPE_UNCOND:
1773 cchHeight += 2; /* For the arrow down to the next basic block. */
1774 break;
1775 case DBGFFLOWBBENDTYPE_COND:
1776 cchHeight += 2; /* For the arrow down to the next basic block. */
1777 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1778 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1779 cchLeftExtra++;
1780 else
1781 cchRightExtra++;
1782 break;
1783 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1784 default:
1785 AssertFailed();
1786 }
1787 }
1788
1789 for (unsigned i = 0; i < cBranchTbls; i++)
1790 {
1791 PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl = &paDumpBranchTbl[i];
1792 cchWidth = RT_MAX(cchWidth, pDumpBranchTbl->cchWidth);
1793 cchHeight += pDumpBranchTbl->cchHeight;
1794 }
1795
1796 cchWidth += 2;
1797
1798 DBGCSCREEN hScreen = NULL;
1799 rc = dbgcScreenAsciiCreate(&hScreen, cchWidth + cchLeftExtra + cchRightExtra, cchHeight);
1800 if (RT_SUCCESS(rc))
1801 {
1802 uint32_t uY = 0;
1803
1804 /* Dump the branch tables first. */
1805 for (unsigned i = 0; i < cBranchTbls; i++)
1806 {
1807 paDumpBranchTbl[i].uStartX = cchLeftExtra + (cchWidth - paDumpBranchTbl[i].cchWidth) / 2;
1808 paDumpBranchTbl[i].uStartY = uY;
1809 dbgcCmdUnassembleCfgDumpBranchTbl(&paDumpBranchTbl[i], hScreen);
1810 uY += paDumpBranchTbl[i].cchHeight;
1811 }
1812
1813 /* Dump the basic blocks and connections to the immediate successor. */
1814 for (unsigned i = 0; i < cBbs; i++)
1815 {
1816 paDumpBb[i].uStartX = cchLeftExtra + (cchWidth - paDumpBb[i].cchWidth) / 2;
1817 paDumpBb[i].uStartY = uY;
1818 dbgcCmdUnassembleCfgDumpBb(&paDumpBb[i], hScreen);
1819 uY += paDumpBb[i].cchHeight;
1820
1821 /* Incomplete blocks don't have a successor. */
1822 if (DBGFR3FlowBbGetFlags(paDumpBb[i].hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1823 continue;
1824
1825 switch (DBGFR3FlowBbGetType(paDumpBb[i].hFlowBb))
1826 {
1827 case DBGFFLOWBBENDTYPE_EXIT:
1828 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1829 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1830 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1831 break;
1832 case DBGFFLOWBBENDTYPE_UNCOND:
1833 /* Draw the arrow down to the next block. */
1834 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1835 '|', DBGCSCREENCOLOR_BLUE_BRIGHT);
1836 uY++;
1837 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1838 'V', DBGCSCREENCOLOR_BLUE_BRIGHT);
1839 uY++;
1840 break;
1841 case DBGFFLOWBBENDTYPE_COND:
1842 /* Draw the arrow down to the next block. */
1843 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1844 '|', DBGCSCREENCOLOR_RED_BRIGHT);
1845 uY++;
1846 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1847 'V', DBGCSCREENCOLOR_RED_BRIGHT);
1848 uY++;
1849 break;
1850 default:
1851 AssertFailed();
1852 }
1853 }
1854
1855 /* Last pass, connect all remaining branches. */
1856 uint32_t uBackConns = 0;
1857 uint32_t uFwdConns = 0;
1858 for (unsigned i = 0; i < cBbs; i++)
1859 {
1860 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1861 DBGFFLOWBBENDTYPE enmEndType = DBGFR3FlowBbGetType(pDumpBb->hFlowBb);
1862
1863 /* Incomplete blocks don't have a successor. */
1864 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1865 continue;
1866
1867 switch (enmEndType)
1868 {
1869 case DBGFFLOWBBENDTYPE_EXIT:
1870 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1871 case DBGFFLOWBBENDTYPE_UNCOND:
1872 break;
1873 case DBGFFLOWBBENDTYPE_COND:
1874 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1875 {
1876 /* Find the target first to get the coordinates. */
1877 PDBGCFLOWBBDUMP pDumpBbTgt = NULL;
1878 for (unsigned idxDumpBb = 0; idxDumpBb < cBbs; idxDumpBb++)
1879 {
1880 pDumpBbTgt = &paDumpBb[idxDumpBb];
1881 if (dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBbTgt->AddrStart))
1882 break;
1883 }
1884
1885 DBGCSCREENCOLOR enmColor = enmEndType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1886 ? DBGCSCREENCOLOR_YELLOW_BRIGHT
1887 : DBGCSCREENCOLOR_GREEN_BRIGHT;
1888
1889 /*
1890 * Use the right side for targets with higher addresses,
1891 * left when jumping backwards.
1892 */
1893 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1894 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1895 {
1896 /* Going backwards. */
1897 uint32_t uXVerLine = /*cchLeftExtra - 1 -*/ uBackConns + 1;
1898 uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
1899 uBackConns++;
1900
1901 /* Draw the arrow pointing to the target block. */
1902 dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX - 1, pDumpBbTgt->uStartY,
1903 '>', enmColor);
1904 /* Draw the horizontal line. */
1905 dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBbTgt->uStartX - 2,
1906 pDumpBbTgt->uStartY, '-', enmColor);
1907 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
1908 enmColor);
1909 /* Draw the vertical line down to the source block. */
1910 dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, pDumpBbTgt->uStartY + 1, uYHorLine - 1,
1911 '|', enmColor);
1912 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
1913 /* Draw the horizontal connection between the source block and vertical part. */
1914 dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBb->uStartX - 1,
1915 uYHorLine, '-', enmColor);
1916
1917 }
1918 else
1919 {
1920 /* Going forward. */
1921 uint32_t uXVerLine = cchWidth + cchLeftExtra + (cchRightExtra - uFwdConns) - 1;
1922 uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
1923 uFwdConns++;
1924
1925 /* Draw the horizontal line. */
1926 dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBb->uStartX + pDumpBb->cchWidth,
1927 uXVerLine - 1, uYHorLine, '-', enmColor);
1928 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
1929 /* Draw the vertical line down to the target block. */
1930 dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, uYHorLine + 1, pDumpBbTgt->uStartY - 1,
1931 '|', enmColor);
1932 /* Draw the horizontal connection between the target block and vertical part. */
1933 dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
1934 uXVerLine, pDumpBbTgt->uStartY, '-', enmColor);
1935 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
1936 enmColor);
1937 /* Draw the arrow pointing to the target block. */
1938 dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
1939 pDumpBbTgt->uStartY, '<', enmColor);
1940 }
1941 break;
1942 }
1943 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1944 default:
1945 AssertFailed();
1946 }
1947 }
1948
1949 rc = dbgcScreenAsciiBlit(hScreen, dbgcCmdUnassembleCfgBlit, pCmdHlp, fUseColor);
1950 dbgcScreenAsciiDestroy(hScreen);
1951 }
1952 }
1953
1954 if (paDumpBb)
1955 {
1956 for (unsigned i = 0; i < cBbs; i++)
1957 DBGFR3FlowBbRelease(paDumpBb[i].hFlowBb);
1958 RTMemTmpFree(paDumpBb);
1959 }
1960
1961 if (paDumpBranchTbl)
1962 {
1963 for (unsigned i = 0; i < cBranchTbls; i++)
1964 DBGFR3FlowBranchTblRelease(paDumpBranchTbl[i].hFlowBranchTbl);
1965 RTMemTmpFree(paDumpBranchTbl);
1966 }
1967
1968 if (hCfgIt)
1969 DBGFR3FlowItDestroy(hCfgIt);
1970 if (hFlowBranchTblIt)
1971 DBGFR3FlowBranchTblItDestroy(hFlowBranchTblIt);
1972
1973 return rc;
1974}
1975
1976
1977/**
1978 * @callback_method_impl{FNDBGCCMD, The 'ucfg' command.}
1979 */
1980static DECLCALLBACK(int) dbgcCmdUnassembleCfg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1981{
1982 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1983
1984 /*
1985 * Validate input.
1986 */
1987 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1988 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
1989 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
1990
1991 if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1992 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
1993
1994 /*
1995 * Check the desired mode.
1996 */
1997 unsigned fFlags = DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
1998 bool fUseColor = false;
1999 switch (pCmd->pszCmd[4])
2000 {
2001 default: AssertFailed();
2002 case '\0': fFlags |= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
2003 case '6': fFlags |= DBGF_DISAS_FLAGS_64BIT_MODE; break;
2004 case '3': fFlags |= DBGF_DISAS_FLAGS_32BIT_MODE; break;
2005 case '1': fFlags |= DBGF_DISAS_FLAGS_16BIT_MODE; break;
2006 case 'v': fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
2007 case 'c': fUseColor = true; break;
2008 }
2009
2010 /** @todo should use DBGFADDRESS for everything */
2011
2012 /*
2013 * Find address.
2014 */
2015 if (!cArgs)
2016 {
2017 if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2018 {
2019 /** @todo Batch query CS, RIP, CPU mode and flags. */
2020 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2021 if ( pDbgc->fRegCtxGuest
2022 && CPUMIsGuestIn64BitCode(pVCpu))
2023 {
2024 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
2025 pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
2026 }
2027 else
2028 {
2029 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
2030 pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
2031 pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
2032 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
2033 && pDbgc->fRegCtxGuest
2034 && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
2035 {
2036 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2037 fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
2038 }
2039 }
2040
2041 if (pDbgc->fRegCtxGuest)
2042 fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST;
2043 else
2044 fFlags |= DBGF_DISAS_FLAGS_CURRENT_HYPER | DBGF_DISAS_FLAGS_HYPER;
2045 }
2046 else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
2047 {
2048 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2049 fFlags |= pDbgc->fDisasm & (DBGF_DISAS_FLAGS_MODE_MASK | DBGF_DISAS_FLAGS_HYPER);
2050 }
2051 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
2052 }
2053 else
2054 pDbgc->DisasmPos = paArgs[0];
2055 pDbgc->pLastPos = &pDbgc->DisasmPos;
2056
2057 /*
2058 * Range.
2059 */
2060 switch (pDbgc->DisasmPos.enmRangeType)
2061 {
2062 case DBGCVAR_RANGE_NONE:
2063 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2064 pDbgc->DisasmPos.u64Range = 10;
2065 break;
2066
2067 case DBGCVAR_RANGE_ELEMENTS:
2068 if (pDbgc->DisasmPos.u64Range > 2048)
2069 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
2070 break;
2071
2072 case DBGCVAR_RANGE_BYTES:
2073 if (pDbgc->DisasmPos.u64Range > 65536)
2074 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
2075 break;
2076
2077 default:
2078 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
2079 }
2080
2081 /*
2082 * Convert physical and host addresses to guest addresses.
2083 */
2084 RTDBGAS hDbgAs = pDbgc->hDbgAs;
2085 int rc;
2086 switch (pDbgc->DisasmPos.enmType)
2087 {
2088 case DBGCVAR_TYPE_GC_FLAT:
2089 case DBGCVAR_TYPE_GC_FAR:
2090 break;
2091 case DBGCVAR_TYPE_GC_PHYS:
2092 hDbgAs = DBGF_AS_PHYS;
2093 case DBGCVAR_TYPE_HC_FLAT:
2094 case DBGCVAR_TYPE_HC_PHYS:
2095 {
2096 DBGCVAR VarTmp;
2097 rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
2098 if (RT_FAILURE(rc))
2099 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
2100 pDbgc->DisasmPos = VarTmp;
2101 break;
2102 }
2103 default: AssertFailed(); break;
2104 }
2105
2106 DBGFADDRESS CurAddr;
2107 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
2108 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
2109 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
2110 else
2111 {
2112 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
2113 if (RT_FAILURE(rc))
2114 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
2115 }
2116
2117 DBGFFLOW hCfg;
2118 rc = DBGFR3FlowCreate(pUVM, pDbgc->idCpu, &CurAddr, 0 /*cbDisasmMax*/,
2119 DBGF_FLOW_CREATE_F_TRY_RESOLVE_INDIRECT_BRANCHES, fFlags, &hCfg);
2120 if (RT_SUCCESS(rc))
2121 {
2122 /* Dump the graph. */
2123 rc = dbgcCmdUnassembleCfgDump(hCfg, fUseColor, pCmdHlp);
2124 DBGFR3FlowRelease(hCfg);
2125 }
2126 else
2127 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowCreate failed on '%Dv'", &pDbgc->DisasmPos);
2128
2129 NOREF(pCmd);
2130 return rc;
2131}
2132
2133
2134/**
2135 * @callback_method_impl{FNDBGCCMD, The 'ls' command.}
2136 */
2137static DECLCALLBACK(int) dbgcCmdListSource(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2138{
2139 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2140
2141 /*
2142 * Validate input.
2143 */
2144 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
2145 if (cArgs == 1)
2146 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
2147 if (!pUVM && !cArgs && !DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2148 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start listing...");
2149 if (!pUVM && cArgs && DBGCVAR_ISGCPOINTER(paArgs[0].enmType))
2150 return DBGCCmdHlpFail(pCmdHlp, pCmd, "GC address but no VM");
2151
2152 /*
2153 * Find address.
2154 */
2155 if (!cArgs)
2156 {
2157 if (!DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2158 {
2159 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2160 pDbgc->SourcePos.enmType = DBGCVAR_TYPE_GC_FAR;
2161 pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
2162 pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
2163 }
2164 pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_NONE;
2165 }
2166 else
2167 pDbgc->SourcePos = paArgs[0];
2168 pDbgc->pLastPos = &pDbgc->SourcePos;
2169
2170 /*
2171 * Ensure the source address is flat GC.
2172 */
2173 switch (pDbgc->SourcePos.enmType)
2174 {
2175 case DBGCVAR_TYPE_GC_FLAT:
2176 break;
2177 case DBGCVAR_TYPE_GC_PHYS:
2178 case DBGCVAR_TYPE_GC_FAR:
2179 case DBGCVAR_TYPE_HC_FLAT:
2180 case DBGCVAR_TYPE_HC_PHYS:
2181 {
2182 int rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "%%(%Dv)", &pDbgc->SourcePos);
2183 if (RT_FAILURE(rc))
2184 return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid address or address type. (rc=%d)\n", rc);
2185 break;
2186 }
2187 default: AssertFailed(); break;
2188 }
2189
2190 /*
2191 * Range.
2192 */
2193 switch (pDbgc->SourcePos.enmRangeType)
2194 {
2195 case DBGCVAR_RANGE_NONE:
2196 pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2197 pDbgc->SourcePos.u64Range = 10;
2198 break;
2199
2200 case DBGCVAR_RANGE_ELEMENTS:
2201 if (pDbgc->SourcePos.u64Range > 2048)
2202 return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many lines requested. Max is 2048 lines.\n");
2203 break;
2204
2205 case DBGCVAR_RANGE_BYTES:
2206 if (pDbgc->SourcePos.u64Range > 65536)
2207 return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
2208 break;
2209
2210 default:
2211 return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->SourcePos.enmRangeType);
2212 }
2213
2214 /*
2215 * Do the disassembling.
2216 */
2217 bool fFirst = 1;
2218 RTDBGLINE LinePrev = { 0, 0, 0, 0, 0, "" };
2219 int iRangeLeft = (int)pDbgc->SourcePos.u64Range;
2220 if (iRangeLeft == 0) /* kludge for 'r'. */
2221 iRangeLeft = -1;
2222 for (;;)
2223 {
2224 /*
2225 * Get line info.
2226 */
2227 RTDBGLINE Line;
2228 RTGCINTPTR off;
2229 DBGFADDRESS SourcePosAddr;
2230 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->SourcePos, &SourcePosAddr);
2231 if (RT_FAILURE(rc))
2232 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%Dv)", &pDbgc->SourcePos);
2233 rc = DBGFR3AsLineByAddr(pUVM, pDbgc->hDbgAs, &SourcePosAddr, &off, &Line, NULL);
2234 if (RT_FAILURE(rc))
2235 return VINF_SUCCESS;
2236
2237 unsigned cLines = 0;
2238 if (memcmp(&Line, &LinePrev, sizeof(Line)))
2239 {
2240 /*
2241 * Print filenamename
2242 */
2243 if (!fFirst && strcmp(Line.szFilename, LinePrev.szFilename))
2244 fFirst = true;
2245 if (fFirst)
2246 {
2247 rc = DBGCCmdHlpPrintf(pCmdHlp, "[%s @ %d]\n", Line.szFilename, Line.uLineNo);
2248 if (RT_FAILURE(rc))
2249 return rc;
2250 }
2251
2252 /*
2253 * Try open the file and read the line.
2254 */
2255 FILE *phFile = fopen(Line.szFilename, "r");
2256 if (phFile)
2257 {
2258 /* Skip ahead to the desired line. */
2259 char szLine[4096];
2260 unsigned cBefore = fFirst ? RT_MIN(2, Line.uLineNo - 1) : Line.uLineNo - LinePrev.uLineNo - 1;
2261 if (cBefore > 7)
2262 cBefore = 0;
2263 unsigned cLeft = Line.uLineNo - cBefore;
2264 while (cLeft > 0)
2265 {
2266 szLine[0] = '\0';
2267 if (!fgets(szLine, sizeof(szLine), phFile))
2268 break;
2269 cLeft--;
2270 }
2271 if (!cLeft)
2272 {
2273 /* print the before lines */
2274 for (;;)
2275 {
2276 size_t cch = strlen(szLine);
2277 while (cch > 0 && (szLine[cch - 1] == '\r' || szLine[cch - 1] == '\n' || RT_C_IS_SPACE(szLine[cch - 1])) )
2278 szLine[--cch] = '\0';
2279 if (cBefore-- <= 0)
2280 break;
2281
2282 rc = DBGCCmdHlpPrintf(pCmdHlp, " %4d: %s\n", Line.uLineNo - cBefore - 1, szLine);
2283 szLine[0] = '\0';
2284 const char *pszShutUpGcc = fgets(szLine, sizeof(szLine), phFile); NOREF(pszShutUpGcc);
2285 cLines++;
2286 }
2287 /* print the actual line */
2288 rc = DBGCCmdHlpPrintf(pCmdHlp, "%08llx %4d: %s\n", Line.Address, Line.uLineNo, szLine);
2289 }
2290 fclose(phFile);
2291 if (RT_FAILURE(rc))
2292 return rc;
2293 fFirst = false;
2294 }
2295 else
2296 return DBGCCmdHlpPrintf(pCmdHlp, "Warning: couldn't open source file '%s'\n", Line.szFilename);
2297
2298 LinePrev = Line;
2299 }
2300
2301
2302 /*
2303 * Advance
2304 */
2305 if (iRangeLeft < 0) /* 'r' */
2306 break;
2307 if (pDbgc->SourcePos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
2308 iRangeLeft -= cLines;
2309 else
2310 iRangeLeft -= 1;
2311 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "(%Dv) + %x", &pDbgc->SourcePos, 1);
2312 if (RT_FAILURE(rc))
2313 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->SourcePos, 1);
2314 if (iRangeLeft <= 0)
2315 break;
2316 }
2317
2318 NOREF(pCmd);
2319 return 0;
2320}
2321
2322
2323/**
2324 * @callback_method_impl{FNDBGCCMD, The 'r' command.}
2325 */
2326static DECLCALLBACK(int) dbgcCmdReg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2327{
2328 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2329 if (!pDbgc->fRegCtxGuest)
2330 return dbgcCmdRegHyper(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
2331 return dbgcCmdRegGuest(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
2332}
2333
2334
2335/**
2336 * @callback_method_impl{FNDBGCCMD, Common worker for the dbgcCmdReg*()
2337 * commands.}
2338 */
2339static DECLCALLBACK(int) dbgcCmdRegCommon(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs,
2340 const char *pszPrefix)
2341{
2342 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2343 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 || cArgs == 2 || cArgs == 3);
2344 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING
2345 || paArgs[0].enmType == DBGCVAR_TYPE_SYMBOL);
2346
2347 /*
2348 * Parse the register name and kind.
2349 */
2350 const char *pszReg = paArgs[0].u.pszString;
2351 if (*pszReg == '@')
2352 pszReg++;
2353 VMCPUID idCpu = pDbgc->idCpu;
2354 if (*pszPrefix)
2355 idCpu |= DBGFREG_HYPER_VMCPUID;
2356 if (*pszReg == '.')
2357 {
2358 pszReg++;
2359 idCpu |= DBGFREG_HYPER_VMCPUID;
2360 }
2361 const char * const pszActualPrefix = idCpu & DBGFREG_HYPER_VMCPUID ? "." : "";
2362
2363 /*
2364 * Query the register type & value (the setter needs the type).
2365 */
2366 DBGFREGVALTYPE enmType;
2367 DBGFREGVAL Value;
2368 int rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType);
2369 if (RT_FAILURE(rc))
2370 {
2371 if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
2372 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
2373 pszActualPrefix, pszReg);
2374 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n",
2375 pszActualPrefix, pszReg, rc);
2376 }
2377 if (cArgs == 1)
2378 {
2379 /*
2380 * Show the register.
2381 */
2382 char szValue[160];
2383 rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &Value, enmType, true /*fSpecial*/);
2384 if (RT_SUCCESS(rc))
2385 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, pszReg, szValue);
2386 else
2387 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2388 }
2389 else
2390 {
2391 DBGCVAR NewValueTmp;
2392 PCDBGCVAR pNewValue;
2393 if (cArgs == 3)
2394 {
2395 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, paArgs[1].enmType == DBGCVAR_TYPE_STRING);
2396 if (strcmp(paArgs[1].u.pszString, "="))
2397 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Second argument must be '='.");
2398 pNewValue = &paArgs[2];
2399 }
2400 else
2401 {
2402 /* Not possible to convince the parser to support both codeview and
2403 windbg syntax and make the equal sign optional. Try help it. */
2404 /** @todo make DBGCCmdHlpConvert do more with strings. */
2405 rc = DBGCCmdHlpConvert(pCmdHlp, &paArgs[1], DBGCVAR_TYPE_NUMBER, true /*fConvSyms*/, &NewValueTmp);
2406 if (RT_FAILURE(rc))
2407 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "The last argument must be a value or valid symbol.");
2408 pNewValue = &NewValueTmp;
2409 }
2410
2411 /*
2412 * Modify the register.
2413 */
2414 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, pNewValue->enmType == DBGCVAR_TYPE_NUMBER);
2415 if (enmType != DBGFREGVALTYPE_DTR)
2416 {
2417 enmType = DBGFREGVALTYPE_U64;
2418 rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.u64);
2419 }
2420 else
2421 {
2422 enmType = DBGFREGVALTYPE_DTR;
2423 rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.dtr.u64Base);
2424 if (RT_SUCCESS(rc) && pNewValue->enmRangeType != DBGCVAR_RANGE_NONE)
2425 Value.dtr.u32Limit = (uint32_t)pNewValue->u64Range;
2426 }
2427 if (RT_SUCCESS(rc))
2428 {
2429 rc = DBGFR3RegNmSet(pUVM, idCpu, pszReg, &Value, enmType);
2430 if (RT_FAILURE(rc))
2431 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmSet failed settings '%s%s': %Rrc\n",
2432 pszActualPrefix, pszReg, rc);
2433 if (rc != VINF_SUCCESS)
2434 DBGCCmdHlpPrintf(pCmdHlp, "%s: warning: %Rrc\n", pCmd->pszCmd, rc);
2435 }
2436 else
2437 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2438 }
2439 return rc;
2440}
2441
2442
2443/**
2444 * @callback_method_impl{FNDBGCCMD,
2445 * The 'rg'\, 'rg64' and 'rg32' commands\, worker for 'r'.}
2446 */
2447static DECLCALLBACK(int) dbgcCmdRegGuest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2448{
2449 /*
2450 * Show all registers our selves.
2451 */
2452 if (cArgs == 0)
2453 {
2454 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2455 bool const f64BitMode = !strcmp(pCmd->pszCmd, "rg64")
2456 || ( strcmp(pCmd->pszCmd, "rg32") != 0
2457 && DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu));
2458 char szDisAndRegs[8192];
2459 int rc;
2460
2461 if (pDbgc->fRegTerse)
2462 {
2463 if (f64BitMode)
2464 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs),
2465 "u %016VR{rip} L 0\n"
2466 "rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n"
2467 "rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n"
2468 "r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n"
2469 "r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n"
2470 "rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n"
2471 "cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} rflags=%08VR{rflags}\n");
2472 else
2473 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, szDisAndRegs, sizeof(szDisAndRegs),
2474 "u %04VR{cs}:%08VR{eip} L 0\n"
2475 "eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n"
2476 "eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n"
2477 "cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} eflags=%08VR{eflags}\n");
2478 }
2479 else
2480 {
2481 if (f64BitMode)
2482 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs),
2483 "u %016VR{rip} L 0\n"
2484 "rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n"
2485 "rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n"
2486 "r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n"
2487 "r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n"
2488 "rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n"
2489 "cs={%04VR{cs} base=%016VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} cr0=%016VR{cr0}\n"
2490 "ds={%04VR{ds} base=%016VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} cr2=%016VR{cr2}\n"
2491 "es={%04VR{es} base=%016VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} cr3=%016VR{cr3}\n"
2492 "fs={%04VR{fs} base=%016VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr4=%016VR{cr4}\n"
2493 "gs={%04VR{gs} base=%016VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr8=%016VR{cr8}\n"
2494 "ss={%04VR{ss} base=%016VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n"
2495 "dr0=%016VR{dr0} dr1=%016VR{dr1} dr2=%016VR{dr2} dr3=%016VR{dr3}\n"
2496 "dr6=%016VR{dr6} dr7=%016VR{dr7}\n"
2497 "gdtr=%016VR{gdtr_base}:%04VR{gdtr_lim} idtr=%016VR{idtr_base}:%04VR{idtr_lim} rflags=%08VR{rflags}\n"
2498 "ldtr={%04VR{ldtr} base=%016VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%08VR{ldtr_attr}}\n"
2499 "tr ={%04VR{tr} base=%016VR{tr_base} limit=%08VR{tr_lim} flags=%08VR{tr_attr}}\n"
2500 " sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n"
2501 " efer=%016VR{efer}\n"
2502 " pat=%016VR{pat}\n"
2503 " sf_mask=%016VR{sf_mask}\n"
2504 "krnl_gs_base=%016VR{krnl_gs_base}\n"
2505 " lstar=%016VR{lstar}\n"
2506 " star=%016VR{star} cstar=%016VR{cstar}\n"
2507 "fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n"
2508 );
2509 else
2510 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, szDisAndRegs, sizeof(szDisAndRegs),
2511 "u %04VR{cs}:%08VR{eip} L 0\n"
2512 "eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n"
2513 "eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n"
2514 "cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} dr0=%08VR{dr0} dr1=%08VR{dr1}\n"
2515 "ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} dr2=%08VR{dr2} dr3=%08VR{dr3}\n"
2516 "es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} dr6=%08VR{dr6} dr7=%08VR{dr7}\n"
2517 "fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr0=%08VR{cr0} cr2=%08VR{cr2}\n"
2518 "gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr3=%08VR{cr3} cr4=%08VR{cr4}\n"
2519 "ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}} cr8=%08VR{cr8}\n"
2520 "gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} idtr=%08VR{idtr_base}:%04VR{idtr_lim} eflags=%08VR{eflags}\n"
2521 "ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n"
2522 "tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n"
2523 "sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n"
2524 "fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n"
2525 );
2526 }
2527 if (RT_FAILURE(rc))
2528 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed");
2529 char *pszRegs = strchr(szDisAndRegs, '\n');
2530 *pszRegs++ = '\0';
2531 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs);
2532
2533 /*
2534 * Disassemble one instruction at cs:[r|e]ip.
2535 */
2536 if (!f64BitMode && strstr(pszRegs, " vm ")) /* a bit ugly... */
2537 return pCmdHlp->pfnExec(pCmdHlp, "uv86 %s", szDisAndRegs + 2);
2538 return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs);
2539 }
2540 return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, "");
2541}
2542
2543
2544/**
2545 * @callback_method_impl{FNDBGCCMD, The 'rh' command.}
2546 */
2547static DECLCALLBACK(int) dbgcCmdRegHyper(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2548{
2549 /*
2550 * Show all registers our selves.
2551 */
2552 if (cArgs == 0)
2553 {
2554 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2555 char szDisAndRegs[8192];
2556 int rc;
2557
2558 if (pDbgc->fRegTerse)
2559 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu | DBGFREG_HYPER_VMCPUID, szDisAndRegs, sizeof(szDisAndRegs),
2560 "u %VR{cs}:%VR{eip} L 0\n"
2561 ".eax=%08VR{eax} .ebx=%08VR{ebx} .ecx=%08VR{ecx} .edx=%08VR{edx} .esi=%08VR{esi} .edi=%08VR{edi}\n"
2562 ".eip=%08VR{eip} .esp=%08VR{esp} .ebp=%08VR{ebp} .%VRF{eflags}\n"
2563 ".cs=%04VR{cs} .ds=%04VR{ds} .es=%04VR{es} .fs=%04VR{fs} .gs=%04VR{gs} .ss=%04VR{ss} .eflags=%08VR{eflags}\n");
2564 else
2565 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu | DBGFREG_HYPER_VMCPUID, szDisAndRegs, sizeof(szDisAndRegs),
2566 "u %04VR{cs}:%08VR{eip} L 0\n"
2567 ".eax=%08VR{eax} .ebx=%08VR{ebx} .ecx=%08VR{ecx} .edx=%08VR{edx} .esi=%08VR{esi} .edi=%08VR{edi}\n"
2568 ".eip=%08VR{eip} .esp=%08VR{esp} .ebp=%08VR{ebp} .%VRF{eflags}\n"
2569 ".cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} .dr0=%08VR{dr0} .dr1=%08VR{dr1}\n"
2570 ".ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} .dr2=%08VR{dr2} .dr3=%08VR{dr3}\n"
2571 ".es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} .dr6=%08VR{dr6} .dr6=%08VR{dr6}\n"
2572 ".fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} .cr3=%016VR{cr3}\n"
2573 ".gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}}\n"
2574 ".ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n"
2575 ".gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} .idtr=%08VR{idtr_base}:%04VR{idtr_lim} .eflags=%08VR{eflags}\n"
2576 ".ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n"
2577 ".tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n"
2578 );
2579 if (RT_FAILURE(rc))
2580 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed");
2581 char *pszRegs = strchr(szDisAndRegs, '\n');
2582 *pszRegs++ = '\0';
2583 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs);
2584
2585 /*
2586 * Disassemble one instruction at cs:[r|e]ip.
2587 */
2588 return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs);
2589 }
2590 return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, ".");
2591}
2592
2593
2594/**
2595 * @callback_method_impl{FNDBGCCMD, The 'rt' command.}
2596 */
2597static DECLCALLBACK(int) dbgcCmdRegTerse(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2598{
2599 NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2600
2601 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2602 pDbgc->fRegTerse = !pDbgc->fRegTerse;
2603 return DBGCCmdHlpPrintf(pCmdHlp, pDbgc->fRegTerse ? "info: Terse register info.\n" : "info: Verbose register info.\n");
2604}
2605
2606
2607/**
2608 * @callback_method_impl{FNDBGCCMD, The 'pr' and 'tr' commands.}
2609 */
2610static DECLCALLBACK(int) dbgcCmdStepTraceToggle(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2611{
2612 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2613 Assert(cArgs == 0); NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2614
2615 /* Note! windbg accepts 'r' as a flag to 'p', 'pa', 'pc', 'pt', 't',
2616 'ta', 'tc' and 'tt'. We've simplified it. */
2617 pDbgc->fStepTraceRegs = !pDbgc->fStepTraceRegs;
2618 return VINF_SUCCESS;
2619}
2620
2621
2622/**
2623 * @callback_method_impl{FNDBGCCMD, The 'p'\, 'pc'\, 'pt'\, 't'\, 'tc'\, and 'tt' commands.}
2624 */
2625static DECLCALLBACK(int) dbgcCmdStepTrace(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2626{
2627 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2628 if (cArgs != 0)
2629 return DBGCCmdHlpFail(pCmdHlp, pCmd,
2630 "Sorry, but the '%s' command does not currently implement any arguments.\n", pCmd->pszCmd);
2631
2632 /* The 'count' has to be implemented by DBGC, whereas the
2633 filtering is taken care of by DBGF. */
2634
2635 /*
2636 * Convert the command to DBGF_STEP_F_XXX and other API input.
2637 */
2638 //DBGFADDRESS StackPop;
2639 PDBGFADDRESS pStackPop = NULL;
2640 RTGCPTR cbStackPop = 0;
2641 uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : _64K;
2642 uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2643 if (pCmd->pszCmd[1] == 'c')
2644 fFlags |= DBGF_STEP_F_STOP_ON_CALL;
2645 else if (pCmd->pszCmd[1] == 't')
2646 fFlags |= DBGF_STEP_F_STOP_ON_RET;
2647 else if (pCmd->pszCmd[0] != 'p')
2648 cMaxSteps = 1;
2649 else
2650 {
2651 /** @todo consider passing RSP + 1 in for 'p' and something else sensible for
2652 * the 'pt' command. */
2653 }
2654
2655 int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, NULL, pStackPop, cbStackPop, cMaxSteps);
2656 if (RT_SUCCESS(rc))
2657 pDbgc->fReady = false;
2658 else
2659 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2660
2661 NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
2662 return rc;
2663}
2664
2665
2666/**
2667 * @callback_method_impl{FNDBGCCMD, The 'pa' and 'ta' commands.}
2668 */
2669static DECLCALLBACK(int) dbgcCmdStepTraceTo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2670{
2671 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2672 if (cArgs != 1)
2673 return DBGCCmdHlpFail(pCmdHlp, pCmd,
2674 "Sorry, but the '%s' command only implements a single argument at present.\n", pCmd->pszCmd);
2675 DBGFADDRESS Address;
2676 int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
2677 if (RT_FAILURE(rc))
2678 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[0]);
2679
2680 uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : 1;
2681 uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2682 rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, &Address, NULL, 0, cMaxSteps);
2683 if (RT_SUCCESS(rc))
2684 pDbgc->fReady = false;
2685 else
2686 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2687 return rc;
2688}
2689
2690
2691/**
2692 * @callback_method_impl{FNDBGCCMD, The 'k'\, 'kg' and 'kh' commands.}
2693 */
2694static DECLCALLBACK(int) dbgcCmdStack(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2695{
2696 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2697
2698 /*
2699 * Figure which context we're called for and start walking that stack.
2700 */
2701 int rc;
2702 PCDBGFSTACKFRAME pFirstFrame;
2703 bool const fGuest = pCmd->pszCmd[1] == 'g'
2704 || (!pCmd->pszCmd[1] && pDbgc->fRegCtxGuest);
2705 rc = DBGFR3StackWalkBegin(pUVM, pDbgc->idCpu, fGuest ? DBGFCODETYPE_GUEST : DBGFCODETYPE_HYPER, &pFirstFrame);
2706 if (RT_FAILURE(rc))
2707 return DBGCCmdHlpPrintf(pCmdHlp, "Failed to begin stack walk, rc=%Rrc\n", rc);
2708
2709 /*
2710 * Print header.
2711 * 12345678 12345678 0023:87654321 12345678 87654321 12345678 87654321 symbol
2712 */
2713 uint32_t fBitFlags = 0;
2714 for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
2715 pFrame;
2716 pFrame = DBGFR3StackWalkNext(pFrame))
2717 {
2718 uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT | DBGFSTACKFRAME_FLAGS_32BIT | DBGFSTACKFRAME_FLAGS_64BIT);
2719 if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
2720 {
2721 if (fCurBitFlags != fBitFlags)
2722 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2723 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2724 pFrame->AddrFrame.Sel,
2725 (uint16_t)pFrame->AddrFrame.off,
2726 pFrame->AddrReturnFrame.Sel,
2727 (uint16_t)pFrame->AddrReturnFrame.off,
2728 (uint32_t)pFrame->AddrReturnPC.Sel,
2729 (uint32_t)pFrame->AddrReturnPC.off,
2730 pFrame->Args.au32[0],
2731 pFrame->Args.au32[1],
2732 pFrame->Args.au32[2],
2733 pFrame->Args.au32[3]);
2734 }
2735 else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
2736 {
2737 if (fCurBitFlags != fBitFlags)
2738 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2739 rc = DBGCCmdHlpPrintf(pCmdHlp, "%08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2740 (uint32_t)pFrame->AddrFrame.off,
2741 (uint32_t)pFrame->AddrReturnFrame.off,
2742 (uint32_t)pFrame->AddrReturnPC.Sel,
2743 (uint32_t)pFrame->AddrReturnPC.off,
2744 pFrame->Args.au32[0],
2745 pFrame->Args.au32[1],
2746 pFrame->Args.au32[2],
2747 pFrame->Args.au32[3]);
2748 }
2749 else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
2750 {
2751 if (fCurBitFlags != fBitFlags)
2752 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
2753 rc = DBGCCmdHlpPrintf(pCmdHlp, "%016RX64 %04RX16:%016RX64 %016RX64",
2754 (uint64_t)pFrame->AddrFrame.off,
2755 pFrame->AddrReturnFrame.Sel,
2756 (uint64_t)pFrame->AddrReturnFrame.off,
2757 (uint64_t)pFrame->AddrReturnPC.off);
2758 }
2759 if (RT_FAILURE(rc))
2760 break;
2761 if (!pFrame->pSymPC)
2762 rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
2763 fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
2764 ? " %RTsel:%016RGv"
2765 : fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
2766 ? " %RTsel:%08RGv"
2767 : " %RTsel:%04RGv"
2768 , pFrame->AddrPC.Sel, pFrame->AddrPC.off);
2769 else
2770 {
2771 RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
2772 if (offDisp > 0)
2773 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
2774 else if (offDisp < 0)
2775 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
2776 else
2777 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", pFrame->pSymPC->szName);
2778 }
2779 if (RT_SUCCESS(rc) && pFrame->pLinePC)
2780 rc = DBGCCmdHlpPrintf(pCmdHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
2781 if (RT_SUCCESS(rc))
2782 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2783 if (RT_FAILURE(rc))
2784 break;
2785
2786 fBitFlags = fCurBitFlags;
2787 }
2788
2789 DBGFR3StackWalkEnd(pFirstFrame);
2790
2791 NOREF(paArgs); NOREF(cArgs);
2792 return rc;
2793}
2794
2795
2796static int dbgcCmdDumpDTWorker64(PDBGCCMDHLP pCmdHlp, PCX86DESC64 pDesc, unsigned iEntry, bool fHyper, bool *pfDblEntry)
2797{
2798 /* GUEST64 */
2799 int rc;
2800
2801 const char *pszHyper = fHyper ? " HYPER" : "";
2802 const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
2803 if (pDesc->Gen.u1DescType)
2804 {
2805 static const char * const s_apszTypes[] =
2806 {
2807 "DataRO", /* 0 Read-Only */
2808 "DataRO", /* 1 Read-Only - Accessed */
2809 "DataRW", /* 2 Read/Write */
2810 "DataRW", /* 3 Read/Write - Accessed */
2811 "DownRO", /* 4 Expand-down, Read-Only */
2812 "DownRO", /* 5 Expand-down, Read-Only - Accessed */
2813 "DownRW", /* 6 Expand-down, Read/Write */
2814 "DownRW", /* 7 Expand-down, Read/Write - Accessed */
2815 "CodeEO", /* 8 Execute-Only */
2816 "CodeEO", /* 9 Execute-Only - Accessed */
2817 "CodeER", /* A Execute/Readable */
2818 "CodeER", /* B Execute/Readable - Accessed */
2819 "ConfE0", /* C Conforming, Execute-Only */
2820 "ConfE0", /* D Conforming, Execute-Only - Accessed */
2821 "ConfER", /* E Conforming, Execute/Readable */
2822 "ConfER" /* F Conforming, Execute/Readable - Accessed */
2823 };
2824 const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
2825 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
2826 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2827 uint32_t u32Base = X86DESC_BASE(pDesc);
2828 uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2829
2830 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
2831 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
2832 pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
2833 pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
2834 }
2835 else
2836 {
2837 static const char * const s_apszTypes[] =
2838 {
2839 "Ill-0 ", /* 0 0000 Reserved (Illegal) */
2840 "Ill-1 ", /* 1 0001 Available 16-bit TSS */
2841 "LDT ", /* 2 0010 LDT */
2842 "Ill-3 ", /* 3 0011 Busy 16-bit TSS */
2843 "Ill-4 ", /* 4 0100 16-bit Call Gate */
2844 "Ill-5 ", /* 5 0101 Task Gate */
2845 "Ill-6 ", /* 6 0110 16-bit Interrupt Gate */
2846 "Ill-7 ", /* 7 0111 16-bit Trap Gate */
2847 "Ill-8 ", /* 8 1000 Reserved (Illegal) */
2848 "Tss64A", /* 9 1001 Available 32-bit TSS */
2849 "Ill-A ", /* A 1010 Reserved (Illegal) */
2850 "Tss64B", /* B 1011 Busy 32-bit TSS */
2851 "Call64", /* C 1100 32-bit Call Gate */
2852 "Ill-D ", /* D 1101 Reserved (Illegal) */
2853 "Int64 ", /* E 1110 32-bit Interrupt Gate */
2854 "Trap64" /* F 1111 32-bit Trap Gate */
2855 };
2856 switch (pDesc->Gen.u4Type)
2857 {
2858 /* raw */
2859 case X86_SEL_TYPE_SYS_UNDEFINED:
2860 case X86_SEL_TYPE_SYS_UNDEFINED2:
2861 case X86_SEL_TYPE_SYS_UNDEFINED4:
2862 case X86_SEL_TYPE_SYS_UNDEFINED3:
2863 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
2864 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
2865 case X86_SEL_TYPE_SYS_286_CALL_GATE:
2866 case X86_SEL_TYPE_SYS_286_INT_GATE:
2867 case X86_SEL_TYPE_SYS_286_TRAP_GATE:
2868 case X86_SEL_TYPE_SYS_TASK_GATE:
2869 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
2870 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
2871 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
2872 break;
2873
2874 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
2875 case X86_SEL_TYPE_SYS_386_TSS_BUSY:
2876 case X86_SEL_TYPE_SYS_LDT:
2877 {
2878 const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
2879 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2880 const char *pszLong = pDesc->Gen.u1Long ? "LONG" : " ";
2881
2882 uint64_t u64Base = X86DESC64_BASE(pDesc);
2883 uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2884
2885 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%016RX64 Lim=%08x DPL=%d %s %s %s %sAVL=%d R=%d%s\n",
2886 iEntry, s_apszTypes[pDesc->Gen.u4Type], u64Base, cbLimit,
2887 pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszLong, pszBig,
2888 pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1),
2889 pszHyper);
2890 if (pfDblEntry)
2891 *pfDblEntry = true;
2892 break;
2893 }
2894
2895 case X86_SEL_TYPE_SYS_386_CALL_GATE:
2896 {
2897 unsigned cParams = pDesc->au8[4] & 0x1f;
2898 const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
2899 RTSEL sel = pDesc->au16[1];
2900 uint64_t off = pDesc->au16[0]
2901 | ((uint64_t)pDesc->au16[3] << 16)
2902 | ((uint64_t)pDesc->Gen.u32BaseHigh3 << 32);
2903 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%d %s %s=%d%s\n",
2904 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
2905 pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper);
2906 if (pfDblEntry)
2907 *pfDblEntry = true;
2908 break;
2909 }
2910
2911 case X86_SEL_TYPE_SYS_386_INT_GATE:
2912 case X86_SEL_TYPE_SYS_386_TRAP_GATE:
2913 {
2914 RTSEL sel = pDesc->Gate.u16Sel;
2915 uint64_t off = pDesc->Gate.u16OffsetLow
2916 | ((uint64_t)pDesc->Gate.u16OffsetHigh << 16)
2917 | ((uint64_t)pDesc->Gate.u32OffsetTop << 32);
2918 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%u %s IST=%u%s\n",
2919 iEntry, s_apszTypes[pDesc->Gate.u4Type], sel, off,
2920 pDesc->Gate.u2Dpl, pszPresent, pDesc->Gate.u3IST, pszHyper);
2921 if (pfDblEntry)
2922 *pfDblEntry = true;
2923 break;
2924 }
2925
2926 /* impossible, just it's necessary to keep gcc happy. */
2927 default:
2928 return VINF_SUCCESS;
2929 }
2930 }
2931 return VINF_SUCCESS;
2932}
2933
2934
2935/**
2936 * Worker function that displays one descriptor entry (GDT, LDT, IDT).
2937 *
2938 * @returns pfnPrintf status code.
2939 * @param pCmdHlp The DBGC command helpers.
2940 * @param pDesc The descriptor to display.
2941 * @param iEntry The descriptor entry number.
2942 * @param fHyper Whether the selector belongs to the hypervisor or not.
2943 */
2944static int dbgcCmdDumpDTWorker32(PDBGCCMDHLP pCmdHlp, PCX86DESC pDesc, unsigned iEntry, bool fHyper)
2945{
2946 int rc;
2947
2948 const char *pszHyper = fHyper ? " HYPER" : "";
2949 const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
2950 if (pDesc->Gen.u1DescType)
2951 {
2952 static const char * const s_apszTypes[] =
2953 {
2954 "DataRO", /* 0 Read-Only */
2955 "DataRO", /* 1 Read-Only - Accessed */
2956 "DataRW", /* 2 Read/Write */
2957 "DataRW", /* 3 Read/Write - Accessed */
2958 "DownRO", /* 4 Expand-down, Read-Only */
2959 "DownRO", /* 5 Expand-down, Read-Only - Accessed */
2960 "DownRW", /* 6 Expand-down, Read/Write */
2961 "DownRW", /* 7 Expand-down, Read/Write - Accessed */
2962 "CodeEO", /* 8 Execute-Only */
2963 "CodeEO", /* 9 Execute-Only - Accessed */
2964 "CodeER", /* A Execute/Readable */
2965 "CodeER", /* B Execute/Readable - Accessed */
2966 "ConfE0", /* C Conforming, Execute-Only */
2967 "ConfE0", /* D Conforming, Execute-Only - Accessed */
2968 "ConfER", /* E Conforming, Execute/Readable */
2969 "ConfER" /* F Conforming, Execute/Readable - Accessed */
2970 };
2971 const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
2972 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
2973 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2974 uint32_t u32Base = pDesc->Gen.u16BaseLow
2975 | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
2976 | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
2977 uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16);
2978 if (pDesc->Gen.u1Granularity)
2979 cbLimit <<= PAGE_SHIFT;
2980
2981 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
2982 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
2983 pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
2984 pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
2985 }
2986 else
2987 {
2988 static const char * const s_apszTypes[] =
2989 {
2990 "Ill-0 ", /* 0 0000 Reserved (Illegal) */
2991 "Tss16A", /* 1 0001 Available 16-bit TSS */
2992 "LDT ", /* 2 0010 LDT */
2993 "Tss16B", /* 3 0011 Busy 16-bit TSS */
2994 "Call16", /* 4 0100 16-bit Call Gate */
2995 "TaskG ", /* 5 0101 Task Gate */
2996 "Int16 ", /* 6 0110 16-bit Interrupt Gate */
2997 "Trap16", /* 7 0111 16-bit Trap Gate */
2998 "Ill-8 ", /* 8 1000 Reserved (Illegal) */
2999 "Tss32A", /* 9 1001 Available 32-bit TSS */
3000 "Ill-A ", /* A 1010 Reserved (Illegal) */
3001 "Tss32B", /* B 1011 Busy 32-bit TSS */
3002 "Call32", /* C 1100 32-bit Call Gate */
3003 "Ill-D ", /* D 1101 Reserved (Illegal) */
3004 "Int32 ", /* E 1110 32-bit Interrupt Gate */
3005 "Trap32" /* F 1111 32-bit Trap Gate */
3006 };
3007 switch (pDesc->Gen.u4Type)
3008 {
3009 /* raw */
3010 case X86_SEL_TYPE_SYS_UNDEFINED:
3011 case X86_SEL_TYPE_SYS_UNDEFINED2:
3012 case X86_SEL_TYPE_SYS_UNDEFINED4:
3013 case X86_SEL_TYPE_SYS_UNDEFINED3:
3014 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
3015 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
3016 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3017 break;
3018
3019 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
3020 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
3021 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
3022 case X86_SEL_TYPE_SYS_386_TSS_BUSY:
3023 case X86_SEL_TYPE_SYS_LDT:
3024 {
3025 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3026 const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
3027 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3028 uint32_t u32Base = pDesc->Gen.u16BaseLow
3029 | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3030 | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3031 uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16);
3032 if (pDesc->Gen.u1Granularity)
3033 cbLimit <<= PAGE_SHIFT;
3034
3035 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d R=%d%s\n",
3036 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3037 pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszGranularity, pszBig,
3038 pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1),
3039 pszHyper);
3040 break;
3041 }
3042
3043 case X86_SEL_TYPE_SYS_TASK_GATE:
3044 {
3045 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s TSS=%04x DPL=%d %s%s\n",
3046 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc->au16[1],
3047 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3048 break;
3049 }
3050
3051 case X86_SEL_TYPE_SYS_286_CALL_GATE:
3052 case X86_SEL_TYPE_SYS_386_CALL_GATE:
3053 {
3054 unsigned cParams = pDesc->au8[4] & 0x1f;
3055 const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
3056 RTSEL sel = pDesc->au16[1];
3057 uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16);
3058 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s %s=%d%s\n",
3059 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3060 pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper);
3061 break;
3062 }
3063
3064 case X86_SEL_TYPE_SYS_286_INT_GATE:
3065 case X86_SEL_TYPE_SYS_386_INT_GATE:
3066 case X86_SEL_TYPE_SYS_286_TRAP_GATE:
3067 case X86_SEL_TYPE_SYS_386_TRAP_GATE:
3068 {
3069 RTSEL sel = pDesc->au16[1];
3070 uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16);
3071 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s%s\n",
3072 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3073 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3074 break;
3075 }
3076
3077 /* impossible, just it's necessary to keep gcc happy. */
3078 default:
3079 return VINF_SUCCESS;
3080 }
3081 }
3082 return rc;
3083}
3084
3085
3086/**
3087 * @callback_method_impl{FNDBGCCMD, The 'dg'\, 'dga'\, 'dl' and 'dla' commands.}
3088 */
3089static DECLCALLBACK(int) dbgcCmdDumpDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3090{
3091 /*
3092 * Validate input.
3093 */
3094 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3095
3096 /*
3097 * Get the CPU mode, check which command variation this is
3098 * and fix a default parameter if needed.
3099 */
3100 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3101 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
3102 CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
3103 bool fGdt = pCmd->pszCmd[1] == 'g';
3104 bool fAll = pCmd->pszCmd[2] == 'a';
3105 RTSEL SelTable = fGdt ? 0 : X86_SEL_LDT;
3106
3107 DBGCVAR Var;
3108 if (!cArgs)
3109 {
3110 cArgs = 1;
3111 paArgs = &Var;
3112 Var.enmType = DBGCVAR_TYPE_NUMBER;
3113 Var.u.u64Number = 0;
3114 Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3115 Var.u64Range = 1024;
3116 }
3117
3118 /*
3119 * Process the arguments.
3120 */
3121 for (unsigned i = 0; i < cArgs; i++)
3122 {
3123 /*
3124 * Retrieve the selector value from the argument.
3125 * The parser may confuse pointers and numbers if more than one
3126 * argument is given, that that into account.
3127 */
3128 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER || DBGCVAR_ISPOINTER(paArgs[i].enmType));
3129 uint64_t u64;
3130 unsigned cSels = 1;
3131 switch (paArgs[i].enmType)
3132 {
3133 case DBGCVAR_TYPE_NUMBER:
3134 u64 = paArgs[i].u.u64Number;
3135 if (paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE)
3136 cSels = RT_MIN(paArgs[i].u64Range, 1024);
3137 break;
3138 case DBGCVAR_TYPE_GC_FAR: u64 = paArgs[i].u.GCFar.sel; break;
3139 case DBGCVAR_TYPE_GC_FLAT: u64 = paArgs[i].u.GCFlat; break;
3140 case DBGCVAR_TYPE_GC_PHYS: u64 = paArgs[i].u.GCPhys; break;
3141 case DBGCVAR_TYPE_HC_FLAT: u64 = (uintptr_t)paArgs[i].u.pvHCFlat; break;
3142 case DBGCVAR_TYPE_HC_PHYS: u64 = paArgs[i].u.HCPhys; break;
3143 default: u64 = _64K; break;
3144 }
3145 if (u64 < _64K)
3146 {
3147 unsigned Sel = (RTSEL)u64;
3148
3149 /*
3150 * Dump the specified range.
3151 */
3152 bool fSingle = cSels == 1;
3153 while ( cSels-- > 0
3154 && Sel < _64K)
3155 {
3156 DBGFSELINFO SelInfo;
3157 int rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, Sel | SelTable, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
3158 if (RT_SUCCESS(rc))
3159 {
3160 if (SelInfo.fFlags & DBGFSELINFO_FLAGS_REAL_MODE)
3161 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x RealM Bas=%04x Lim=%04x\n",
3162 Sel, (unsigned)SelInfo.GCPtrBase, (unsigned)SelInfo.cbLimit);
3163 else if ( fAll
3164 || fSingle
3165 || SelInfo.u.Raw.Gen.u1Present)
3166 {
3167 if (enmMode == CPUMMODE_PROTECTED)
3168 rc = dbgcCmdDumpDTWorker32(pCmdHlp, &SelInfo.u.Raw, Sel, !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER));
3169 else
3170 {
3171 bool fDblSkip = false;
3172 rc = dbgcCmdDumpDTWorker64(pCmdHlp, &SelInfo.u.Raw64, Sel, !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), &fDblSkip);
3173 if (fDblSkip)
3174 Sel += 4;
3175 }
3176 }
3177 }
3178 else
3179 {
3180 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %Rrc\n", Sel, rc);
3181 if (!fAll)
3182 return rc;
3183 }
3184 if (RT_FAILURE(rc))
3185 return rc;
3186
3187 /* next */
3188 Sel += 8;
3189 }
3190 }
3191 else
3192 DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds\n", u64);
3193 }
3194
3195 return VINF_SUCCESS;
3196}
3197
3198
3199/**
3200 * @callback_method_impl{FNDBGCCMD, The 'di' and 'dia' commands.}
3201 */
3202static DECLCALLBACK(int) dbgcCmdDumpIDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3203{
3204 /*
3205 * Validate input.
3206 */
3207 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3208
3209 /*
3210 * Establish some stuff like the current IDTR and CPU mode,
3211 * and fix a default parameter.
3212 */
3213 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3214 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
3215 uint16_t cbLimit;
3216 RTGCUINTPTR GCPtrBase = CPUMGetGuestIDTR(pVCpu, &cbLimit);
3217 CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
3218 unsigned cbEntry;
3219 switch (enmMode)
3220 {
3221 case CPUMMODE_REAL: cbEntry = sizeof(RTFAR16); break;
3222 case CPUMMODE_PROTECTED: cbEntry = sizeof(X86DESC); break;
3223 case CPUMMODE_LONG: cbEntry = sizeof(X86DESC64); break;
3224 default:
3225 return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid CPU mode %d.\n", enmMode);
3226 }
3227
3228 bool fAll = pCmd->pszCmd[2] == 'a';
3229 DBGCVAR Var;
3230 if (!cArgs)
3231 {
3232 cArgs = 1;
3233 paArgs = &Var;
3234 Var.enmType = DBGCVAR_TYPE_NUMBER;
3235 Var.u.u64Number = 0;
3236 Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3237 Var.u64Range = 256;
3238 }
3239
3240 /*
3241 * Process the arguments.
3242 */
3243 for (unsigned i = 0; i < cArgs; i++)
3244 {
3245 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER);
3246 if (paArgs[i].u.u64Number < 256)
3247 {
3248 RTGCUINTPTR iInt = (RTGCUINTPTR)paArgs[i].u.u64Number;
3249 unsigned cInts = paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE
3250 ? paArgs[i].u64Range
3251 : 1;
3252 bool fSingle = cInts == 1;
3253 while ( cInts-- > 0
3254 && iInt < 256)
3255 {
3256 /*
3257 * Try read it.
3258 */
3259 union
3260 {
3261 RTFAR16 Real;
3262 X86DESC Prot;
3263 X86DESC64 Long;
3264 } u;
3265 if (iInt * cbEntry + (cbEntry - 1) > cbLimit)
3266 {
3267 DBGCCmdHlpPrintf(pCmdHlp, "%04x not within the IDT\n", (unsigned)iInt);
3268 if (!fAll && !fSingle)
3269 return VINF_SUCCESS;
3270 }
3271 DBGCVAR AddrVar;
3272 AddrVar.enmType = DBGCVAR_TYPE_GC_FLAT;
3273 AddrVar.u.GCFlat = GCPtrBase + iInt * cbEntry;
3274 AddrVar.enmRangeType = DBGCVAR_RANGE_NONE;
3275 int rc = pCmdHlp->pfnMemRead(pCmdHlp, &u, cbEntry, &AddrVar, NULL);
3276 if (RT_FAILURE(rc))
3277 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading IDT entry %#04x.\n", (unsigned)iInt);
3278
3279 /*
3280 * Display it.
3281 */
3282 switch (enmMode)
3283 {
3284 case CPUMMODE_REAL:
3285 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %RTfp16\n", (unsigned)iInt, u.Real);
3286 /** @todo resolve 16:16 IDTE to a symbol */
3287 break;
3288 case CPUMMODE_PROTECTED:
3289 if (fAll || fSingle || u.Prot.Gen.u1Present)
3290 rc = dbgcCmdDumpDTWorker32(pCmdHlp, &u.Prot, iInt, false);
3291 break;
3292 case CPUMMODE_LONG:
3293 if (fAll || fSingle || u.Long.Gen.u1Present)
3294 rc = dbgcCmdDumpDTWorker64(pCmdHlp, &u.Long, iInt, false, NULL);
3295 break;
3296 default: break; /* to shut up gcc */
3297 }
3298 if (RT_FAILURE(rc))
3299 return rc;
3300
3301 /* next */
3302 iInt++;
3303 }
3304 }
3305 else
3306 DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds (max 256)\n", paArgs[i].u.u64Number);
3307 }
3308
3309 return VINF_SUCCESS;
3310}
3311
3312
3313/**
3314 * @callback_method_impl{FNDBGCCMD,
3315 * The 'da'\, 'dq'\, 'dd'\, 'dw' and 'db' commands.}
3316 */
3317static DECLCALLBACK(int) dbgcCmdDumpMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3318{
3319 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3320
3321 /*
3322 * Validate input.
3323 */
3324 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3325 if (cArgs == 1)
3326 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3327 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3328
3329 /*
3330 * Figure out the element size.
3331 */
3332 unsigned cbElement;
3333 bool fAscii = false;
3334 switch (pCmd->pszCmd[1])
3335 {
3336 default:
3337 case 'b': cbElement = 1; break;
3338 case 'w': cbElement = 2; break;
3339 case 'd': cbElement = 4; break;
3340 case 'q': cbElement = 8; break;
3341 case 'a':
3342 cbElement = 1;
3343 fAscii = true;
3344 break;
3345 case '\0':
3346 fAscii = !!(pDbgc->cbDumpElement & 0x80000000);
3347 cbElement = pDbgc->cbDumpElement & 0x7fffffff;
3348 if (!cbElement)
3349 cbElement = 1;
3350 break;
3351 }
3352
3353 /*
3354 * Find address.
3355 */
3356 if (!cArgs)
3357 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_NONE;
3358 else
3359 pDbgc->DumpPos = paArgs[0];
3360
3361 /*
3362 * Range.
3363 */
3364 switch (pDbgc->DumpPos.enmRangeType)
3365 {
3366 case DBGCVAR_RANGE_NONE:
3367 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3368 pDbgc->DumpPos.u64Range = 0x60;
3369 break;
3370
3371 case DBGCVAR_RANGE_ELEMENTS:
3372 if (pDbgc->DumpPos.u64Range > 2048)
3373 return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many elements requested. Max is 2048 elements.\n");
3374 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3375 pDbgc->DumpPos.u64Range = (cbElement ? cbElement : 1) * pDbgc->DumpPos.u64Range;
3376 break;
3377
3378 case DBGCVAR_RANGE_BYTES:
3379 if (pDbgc->DumpPos.u64Range > 65536)
3380 return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
3381 break;
3382
3383 default:
3384 return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->DumpPos.enmRangeType);
3385 }
3386
3387 pDbgc->pLastPos = &pDbgc->DumpPos;
3388
3389 /*
3390 * Do the dumping.
3391 */
3392 pDbgc->cbDumpElement = cbElement | (fAscii << 31);
3393 int cbLeft = (int)pDbgc->DumpPos.u64Range;
3394 uint8_t u8Prev = '\0';
3395 for (;;)
3396 {
3397 /*
3398 * Read memory.
3399 */
3400 char achBuffer[16];
3401 size_t cbReq = RT_MIN((int)sizeof(achBuffer), cbLeft);
3402 size_t cb = RT_MIN((int)sizeof(achBuffer), cbLeft);
3403 int rc = pCmdHlp->pfnMemRead(pCmdHlp, &achBuffer, cbReq, &pDbgc->DumpPos, &cb);
3404 if (RT_FAILURE(rc))
3405 {
3406 if (u8Prev && u8Prev != '\n')
3407 DBGCCmdHlpPrintf(pCmdHlp, "\n");
3408 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading memory at %DV.\n", &pDbgc->DumpPos);
3409 }
3410
3411 /*
3412 * Display it.
3413 */
3414 memset(&achBuffer[cb], 0, sizeof(achBuffer) - cb);
3415 if (!fAscii)
3416 {
3417 DBGCCmdHlpPrintf(pCmdHlp, "%DV:", &pDbgc->DumpPos);
3418 unsigned i;
3419 for (i = 0; i < cb; i += cbElement)
3420 {
3421 const char *pszSpace = " ";
3422 if (cbElement <= 2 && i == 8 && !fAscii)
3423 pszSpace = "-";
3424 switch (cbElement)
3425 {
3426 case 1: DBGCCmdHlpPrintf(pCmdHlp, "%s%02x", pszSpace, *(uint8_t *)&achBuffer[i]); break;
3427 case 2: DBGCCmdHlpPrintf(pCmdHlp, "%s%04x", pszSpace, *(uint16_t *)&achBuffer[i]); break;
3428 case 4: DBGCCmdHlpPrintf(pCmdHlp, "%s%08x", pszSpace, *(uint32_t *)&achBuffer[i]); break;
3429 case 8: DBGCCmdHlpPrintf(pCmdHlp, "%s%016llx", pszSpace, *(uint64_t *)&achBuffer[i]); break;
3430 }
3431 }
3432
3433 /* chars column */
3434 if (pDbgc->cbDumpElement == 1)
3435 {
3436 while (i++ < sizeof(achBuffer))
3437 DBGCCmdHlpPrintf(pCmdHlp, " ");
3438 DBGCCmdHlpPrintf(pCmdHlp, " ");
3439 for (i = 0; i < cb; i += cbElement)
3440 {
3441 uint8_t u8 = *(uint8_t *)&achBuffer[i];
3442 if (RT_C_IS_PRINT(u8) && u8 < 127 && u8 >= 32)
3443 DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
3444 else
3445 DBGCCmdHlpPrintf(pCmdHlp, ".");
3446 }
3447 }
3448 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3449 }
3450 else
3451 {
3452 /*
3453 * We print up to the first zero and stop there.
3454 * Only printables + '\t' and '\n' are printed.
3455 */
3456 if (!u8Prev)
3457 DBGCCmdHlpPrintf(pCmdHlp, "%DV:\n", &pDbgc->DumpPos);
3458 uint8_t u8 = '\0';
3459 unsigned i;
3460 for (i = 0; i < cb; i++)
3461 {
3462 u8Prev = u8;
3463 u8 = *(uint8_t *)&achBuffer[i];
3464 if ( u8 < 127
3465 && ( (RT_C_IS_PRINT(u8) && u8 >= 32)
3466 || u8 == '\t'
3467 || u8 == '\n'))
3468 DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
3469 else if (!u8)
3470 break;
3471 else
3472 DBGCCmdHlpPrintf(pCmdHlp, "\\x%x", u8);
3473 }
3474 if (u8 == '\0')
3475 cb = cbLeft = i + 1;
3476 if (cbLeft - cb <= 0 && u8Prev != '\n')
3477 DBGCCmdHlpPrintf(pCmdHlp, "\n");
3478 }
3479
3480 /*
3481 * Advance
3482 */
3483 cbLeft -= (int)cb;
3484 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DumpPos, "(%Dv) + %x", &pDbgc->DumpPos, cb);
3485 if (RT_FAILURE(rc))
3486 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->DumpPos, cb);
3487 if (cbLeft <= 0)
3488 break;
3489 }
3490
3491 NOREF(pCmd);
3492 return VINF_SUCCESS;
3493}
3494
3495
3496/**
3497 * Best guess at which paging mode currently applies to the guest
3498 * paging structures.
3499 *
3500 * This have to come up with a decent answer even when the guest
3501 * is in non-paged protected mode or real mode.
3502 *
3503 * @returns cr3.
3504 * @param pDbgc The DBGC instance.
3505 * @param pfPAE Where to store the page address extension indicator.
3506 * @param pfLME Where to store the long mode enabled indicator.
3507 * @param pfPSE Where to store the page size extension indicator.
3508 * @param pfPGE Where to store the page global enabled indicator.
3509 * @param pfNXE Where to store the no-execution enabled indicator.
3510 */
3511static RTGCPHYS dbgcGetGuestPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE)
3512{
3513 PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3514 RTGCUINTREG cr4 = CPUMGetGuestCR4(pVCpu);
3515 *pfPSE = !!(cr4 & X86_CR4_PSE);
3516 *pfPGE = !!(cr4 & X86_CR4_PGE);
3517 if (cr4 & X86_CR4_PAE)
3518 {
3519 *pfPSE = true;
3520 *pfPAE = true;
3521 }
3522 else
3523 *pfPAE = false;
3524
3525 *pfLME = CPUMGetGuestMode(pVCpu) == CPUMMODE_LONG;
3526 *pfNXE = false; /* GUEST64 GUESTNX */
3527 return CPUMGetGuestCR3(pVCpu);
3528}
3529
3530
3531/**
3532 * Determine the shadow paging mode.
3533 *
3534 * @returns cr3.
3535 * @param pDbgc The DBGC instance.
3536 * @param pfPAE Where to store the page address extension indicator.
3537 * @param pfLME Where to store the long mode enabled indicator.
3538 * @param pfPSE Where to store the page size extension indicator.
3539 * @param pfPGE Where to store the page global enabled indicator.
3540 * @param pfNXE Where to store the no-execution enabled indicator.
3541 */
3542static RTHCPHYS dbgcGetShadowPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE)
3543{
3544 PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3545
3546 *pfPSE = true;
3547 *pfPGE = false;
3548 switch (PGMGetShadowMode(pVCpu))
3549 {
3550 default:
3551 case PGMMODE_32_BIT:
3552 *pfPAE = *pfLME = *pfNXE = false;
3553 break;
3554 case PGMMODE_PAE:
3555 *pfLME = *pfNXE = false;
3556 *pfPAE = true;
3557 break;
3558 case PGMMODE_PAE_NX:
3559 *pfLME = false;
3560 *pfPAE = *pfNXE = true;
3561 break;
3562 case PGMMODE_AMD64:
3563 *pfNXE = false;
3564 *pfPAE = *pfLME = true;
3565 break;
3566 case PGMMODE_AMD64_NX:
3567 *pfPAE = *pfLME = *pfNXE = true;
3568 break;
3569 }
3570 return PGMGetHyperCR3(pVCpu);
3571}
3572
3573
3574/**
3575 * @callback_method_impl{FNDBGCCMD,
3576 * The 'dpd'\, 'dpda'\, 'dpdb'\, 'dpdg' and 'dpdh' commands.}
3577 */
3578static DECLCALLBACK(int) dbgcCmdDumpPageDir(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3579{
3580 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3581
3582 /*
3583 * Validate input.
3584 */
3585 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3586 if (cArgs == 1 && pCmd->pszCmd[3] == 'a')
3587 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3588 if (cArgs == 1 && pCmd->pszCmd[3] != 'a')
3589 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3590 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
3591 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3592
3593 /*
3594 * Guest or shadow page directories? Get the paging parameters.
3595 */
3596 bool fGuest = pCmd->pszCmd[3] != 'h';
3597 if (!pCmd->pszCmd[3] || pCmd->pszCmd[3] == 'a')
3598 fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3599 ? pDbgc->fRegCtxGuest
3600 : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
3601
3602 bool fPAE, fLME, fPSE, fPGE, fNXE;
3603 uint64_t cr3 = fGuest
3604 ? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
3605 : dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
3606 const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
3607
3608 /*
3609 * Setup default argument if none was specified.
3610 * Fix address / index confusion.
3611 */
3612 DBGCVAR VarDefault;
3613 if (!cArgs)
3614 {
3615 if (pCmd->pszCmd[3] == 'a')
3616 {
3617 if (fLME || fPAE)
3618 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");
3619 if (fGuest)
3620 DBGCVAR_INIT_GC_PHYS(&VarDefault, cr3);
3621 else
3622 DBGCVAR_INIT_HC_PHYS(&VarDefault, cr3);
3623 }
3624 else
3625 DBGCVAR_INIT_GC_FLAT(&VarDefault, 0);
3626 paArgs = &VarDefault;
3627 cArgs = 1;
3628 }
3629 else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
3630 {
3631 /* If it's a number (not an address), it's an index, so convert it to an address. */
3632 Assert(pCmd->pszCmd[3] != 'a');
3633 VarDefault = paArgs[0];
3634 if (fPAE)
3635 return DBGCCmdHlpPrintf(pCmdHlp, "PDE indexing is only implemented for 32-bit paging.\n");
3636 if (VarDefault.u.u64Number >= PAGE_SIZE / cbEntry)
3637 return DBGCCmdHlpPrintf(pCmdHlp, "PDE index is out of range [0..%d].\n", PAGE_SIZE / cbEntry - 1);
3638 VarDefault.u.u64Number <<= X86_PD_SHIFT;
3639 VarDefault.enmType = DBGCVAR_TYPE_GC_FLAT;
3640 paArgs = &VarDefault;
3641 }
3642
3643 /*
3644 * Locate the PDE to start displaying at.
3645 *
3646 * The 'dpda' command takes the address of a PDE, while the others are guest
3647 * virtual address which PDEs should be displayed. So, 'dpda' is rather simple
3648 * while the others require us to do all the tedious walking thru the paging
3649 * hierarchy to find the intended PDE.
3650 */
3651 unsigned iEntry = ~0U; /* The page directory index. ~0U for 'dpta'. */
3652 DBGCVAR VarGCPtr = { NULL, }; /* The GC address corresponding to the current PDE (iEntry != ~0U). */
3653 DBGCVAR VarPDEAddr; /* The address of the current PDE. */
3654 unsigned cEntries; /* The number of entries to display. */
3655 unsigned cEntriesMax; /* The max number of entries to display. */
3656 int rc;
3657 if (pCmd->pszCmd[3] == 'a')
3658 {
3659 VarPDEAddr = paArgs[0];
3660 switch (VarPDEAddr.enmRangeType)
3661 {
3662 case DBGCVAR_RANGE_BYTES: cEntries = VarPDEAddr.u64Range / cbEntry; break;
3663 case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPDEAddr.u64Range; break;
3664 default: cEntries = 10; break;
3665 }
3666 cEntriesMax = PAGE_SIZE / cbEntry;
3667 }
3668 else
3669 {
3670 /*
3671 * Determine the range.
3672 */
3673 switch (paArgs[0].enmRangeType)
3674 {
3675 case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
3676 case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
3677 default: cEntries = 10; break;
3678 }
3679
3680 /*
3681 * Normalize the input address, it must be a flat GC address.
3682 */
3683 rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
3684 if (RT_FAILURE(rc))
3685 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
3686 if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
3687 {
3688 VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
3689 VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
3690 }
3691 if (fPAE)
3692 VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_PAE_SHIFT) - 1);
3693 else
3694 VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_SHIFT) - 1);
3695
3696 /*
3697 * Do the paging walk until we get to the page directory.
3698 */
3699 DBGCVAR VarCur;
3700 if (fGuest)
3701 DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
3702 else
3703 DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
3704 if (fLME)
3705 {
3706 /* Page Map Level 4 Lookup. */
3707 /* Check if it's a valid address first? */
3708 VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
3709 VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
3710 X86PML4E Pml4e;
3711 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
3712 if (RT_FAILURE(rc))
3713 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
3714 if (!Pml4e.n.u1Present)
3715 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
3716
3717 VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
3718 Assert(fPAE);
3719 }
3720 if (fPAE)
3721 {
3722 /* Page directory pointer table. */
3723 X86PDPE Pdpe;
3724 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
3725 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
3726 if (RT_FAILURE(rc))
3727 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
3728 if (!Pdpe.n.u1Present)
3729 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
3730
3731 iEntry = (VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK;
3732 VarPDEAddr = VarCur;
3733 VarPDEAddr.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
3734 VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDEPAE);
3735 }
3736 else
3737 {
3738 /* 32-bit legacy - CR3 == page directory. */
3739 iEntry = (VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK;
3740 VarPDEAddr = VarCur;
3741 VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDE);
3742 }
3743 cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
3744 }
3745
3746 /* adjust cEntries */
3747 cEntries = RT_MAX(1, cEntries);
3748 cEntries = RT_MIN(cEntries, cEntriesMax);
3749
3750 /*
3751 * The display loop.
3752 */
3753 DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (index %#x):\n" : "%DV:\n",
3754 &VarPDEAddr, iEntry);
3755 do
3756 {
3757 /*
3758 * Read.
3759 */
3760 X86PDEPAE Pde;
3761 Pde.u = 0;
3762 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, cbEntry, &VarPDEAddr, NULL);
3763 if (RT_FAILURE(rc))
3764 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarPDEAddr);
3765
3766 /*
3767 * Display.
3768 */
3769 if (iEntry != ~0U)
3770 {
3771 DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
3772 iEntry++;
3773 }
3774 if (fPSE && Pde.b.u1Size)
3775 DBGCCmdHlpPrintf(pCmdHlp,
3776 fPAE
3777 ? "%016llx big phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
3778 : "%08llx big phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
3779 Pde.u,
3780 Pde.u & X86_PDE_PAE_PG_MASK,
3781 Pde.b.u1Present ? "p " : "np",
3782 Pde.b.u1Write ? "w" : "r",
3783 Pde.b.u1User ? "u" : "s",
3784 Pde.b.u1Accessed ? "a " : "na",
3785 Pde.b.u1Dirty ? "d " : "nd",
3786 Pde.b.u3Available,
3787 Pde.b.u1Global ? (fPGE ? "g" : "G") : " ",
3788 Pde.b.u1WriteThru ? "pwt" : " ",
3789 Pde.b.u1CacheDisable ? "pcd" : " ",
3790 Pde.b.u1PAT ? "pat" : "",
3791 Pde.b.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
3792 else
3793 DBGCCmdHlpPrintf(pCmdHlp,
3794 fPAE
3795 ? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s"
3796 : "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s",
3797 Pde.u,
3798 Pde.u & X86_PDE_PAE_PG_MASK,
3799 Pde.n.u1Present ? "p " : "np",
3800 Pde.n.u1Write ? "w" : "r",
3801 Pde.n.u1User ? "u" : "s",
3802 Pde.n.u1Accessed ? "a " : "na",
3803 Pde.u & RT_BIT(6) ? "6 " : " ",
3804 Pde.n.u3Available,
3805 Pde.u & RT_BIT(8) ? "8" : " ",
3806 Pde.n.u1WriteThru ? "pwt" : " ",
3807 Pde.n.u1CacheDisable ? "pcd" : " ",
3808 Pde.u & RT_BIT(7) ? "7" : "",
3809 Pde.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
3810 if (Pde.u & UINT64_C(0x7fff000000000000))
3811 DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pde.u & UINT64_C(0x7fff000000000000)));
3812 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3813 if (RT_FAILURE(rc))
3814 return rc;
3815
3816 /*
3817 * Advance.
3818 */
3819 VarPDEAddr.u.u64Number += cbEntry;
3820 if (iEntry != ~0U)
3821 VarGCPtr.u.GCFlat += fPAE ? RT_BIT_32(X86_PD_PAE_SHIFT) : RT_BIT_32(X86_PD_SHIFT);
3822 } while (cEntries-- > 0);
3823
3824 return VINF_SUCCESS;
3825}
3826
3827
3828/**
3829 * @callback_method_impl{FNDBGCCMD, The 'dpdb' command.}
3830 */
3831static DECLCALLBACK(int) dbgcCmdDumpPageDirBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3832{
3833 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3834 int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dpdg %DV", &paArgs[0]);
3835 int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpdh %DV", &paArgs[0]);
3836 if (RT_FAILURE(rc1))
3837 return rc1;
3838 NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
3839 return rc2;
3840}
3841
3842
3843/**
3844 * @callback_method_impl{FNDBGCCMD, The 'dph*' commands and main part of 'm'.}
3845 */
3846static DECLCALLBACK(int) dbgcCmdDumpPageHierarchy(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3847{
3848 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3849 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3850
3851 /*
3852 * Figure the context and base flags.
3853 */
3854 uint32_t fFlags = DBGFPGDMP_FLAGS_PAGE_INFO | DBGFPGDMP_FLAGS_PRINT_CR3;
3855 if (pCmd->pszCmd[0] == 'm')
3856 fFlags |= DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW;
3857 else if (pCmd->pszCmd[3] == '\0')
3858 fFlags |= pDbgc->fRegCtxGuest ? DBGFPGDMP_FLAGS_GUEST : DBGFPGDMP_FLAGS_SHADOW;
3859 else if (pCmd->pszCmd[3] == 'g')
3860 fFlags |= DBGFPGDMP_FLAGS_GUEST;
3861 else if (pCmd->pszCmd[3] == 'h')
3862 fFlags |= DBGFPGDMP_FLAGS_SHADOW;
3863 else
3864 AssertFailed();
3865
3866 if (pDbgc->cPagingHierarchyDumps == 0)
3867 fFlags |= DBGFPGDMP_FLAGS_HEADER;
3868 pDbgc->cPagingHierarchyDumps = (pDbgc->cPagingHierarchyDumps + 1) % 42;
3869
3870 /*
3871 * Get the range.
3872 */
3873 PCDBGCVAR pRange = cArgs > 0 ? &paArgs[0] : pDbgc->pLastPos;
3874 RTGCPTR GCPtrFirst = NIL_RTGCPTR;
3875 int rc = DBGCCmdHlpVarToFlatAddr(pCmdHlp, pRange, &GCPtrFirst);
3876 if (RT_FAILURE(rc))
3877 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to convert %DV to a flat address: %Rrc", pRange, rc);
3878
3879 uint64_t cbRange;
3880 rc = DBGCCmdHlpVarGetRange(pCmdHlp, pRange, PAGE_SIZE, PAGE_SIZE * 8, &cbRange);
3881 if (RT_FAILURE(rc))
3882 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to obtain the range of %DV: %Rrc", pRange, rc);
3883
3884 RTGCPTR GCPtrLast = RTGCPTR_MAX - GCPtrFirst;
3885 if (cbRange >= GCPtrLast)
3886 GCPtrLast = RTGCPTR_MAX;
3887 else if (!cbRange)
3888 GCPtrLast = GCPtrFirst;
3889 else
3890 GCPtrLast = GCPtrFirst + cbRange - 1;
3891
3892 /*
3893 * Do we have a CR3?
3894 */
3895 uint64_t cr3 = 0;
3896 if (cArgs > 1)
3897 {
3898 if ((fFlags & (DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW)) == (DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW))
3899 return DBGCCmdHlpFail(pCmdHlp, pCmd, "No CR3 or mode arguments when dumping both context, please.");
3900 if (paArgs[1].enmType != DBGCVAR_TYPE_NUMBER)
3901 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The CR3 argument is not a number: %DV", &paArgs[1]);
3902 cr3 = paArgs[1].u.u64Number;
3903 }
3904 else
3905 fFlags |= DBGFPGDMP_FLAGS_CURRENT_CR3;
3906
3907 /*
3908 * Do we have a mode?
3909 */
3910 if (cArgs > 2)
3911 {
3912 if (paArgs[2].enmType != DBGCVAR_TYPE_STRING)
3913 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The mode argument is not a string: %DV", &paArgs[2]);
3914 static const struct MODETOFLAGS
3915 {
3916 const char *pszName;
3917 uint32_t fFlags;
3918 } s_aModeToFlags[] =
3919 {
3920 { "ept", DBGFPGDMP_FLAGS_EPT },
3921 { "legacy", 0 },
3922 { "legacy-np", DBGFPGDMP_FLAGS_NP },
3923 { "pse", DBGFPGDMP_FLAGS_PSE },
3924 { "pse-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_NP },
3925 { "pae", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE },
3926 { "pae-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NP },
3927 { "pae-nx", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NXE },
3928 { "pae-nx-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NXE | DBGFPGDMP_FLAGS_NP },
3929 { "long", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME },
3930 { "long-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NP },
3931 { "long-nx", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NXE },
3932 { "long-nx-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NXE | DBGFPGDMP_FLAGS_NP }
3933 };
3934 int i = RT_ELEMENTS(s_aModeToFlags);
3935 while (i-- > 0)
3936 if (!strcmp(s_aModeToFlags[i].pszName, paArgs[2].u.pszString))
3937 {
3938 fFlags |= s_aModeToFlags[i].fFlags;
3939 break;
3940 }
3941 if (i < 0)
3942 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown mode: \"%s\"", paArgs[2].u.pszString);
3943 }
3944 else
3945 fFlags |= DBGFPGDMP_FLAGS_CURRENT_MODE;
3946
3947 /*
3948 * Call the worker.
3949 */
3950 rc = DBGFR3PagingDumpEx(pUVM, pDbgc->idCpu, fFlags, cr3, GCPtrFirst, GCPtrLast, 99 /*cMaxDepth*/,
3951 DBGCCmdHlpGetDbgfOutputHlp(pCmdHlp));
3952 if (RT_FAILURE(rc))
3953 return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3PagingDumpEx: %Rrc\n", rc);
3954 return VINF_SUCCESS;
3955}
3956
3957
3958
3959/**
3960 * @callback_method_impl{FNDBGCCMD, The 'dpg*' commands.}
3961 */
3962static DECLCALLBACK(int) dbgcCmdDumpPageTable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3963{
3964 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3965
3966 /*
3967 * Validate input.
3968 */
3969 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1);
3970 if (pCmd->pszCmd[3] == 'a')
3971 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3972 else
3973 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3974 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
3975 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3976
3977 /*
3978 * Guest or shadow page tables? Get the paging parameters.
3979 */
3980 bool fGuest = pCmd->pszCmd[3] != 'h';
3981 if (!pCmd->pszCmd[3] || pCmd->pszCmd[3] == 'a')
3982 fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3983 ? pDbgc->fRegCtxGuest
3984 : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
3985
3986 bool fPAE, fLME, fPSE, fPGE, fNXE;
3987 uint64_t cr3 = fGuest
3988 ? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
3989 : dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
3990 const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
3991
3992 /*
3993 * Locate the PTE to start displaying at.
3994 *
3995 * The 'dpta' command takes the address of a PTE, while the others are guest
3996 * virtual address which PTEs should be displayed. So, 'pdta' is rather simple
3997 * while the others require us to do all the tedious walking thru the paging
3998 * hierarchy to find the intended PTE.
3999 */
4000 unsigned iEntry = ~0U; /* The page table index. ~0U for 'dpta'. */
4001 DBGCVAR VarGCPtr; /* The GC address corresponding to the current PTE (iEntry != ~0U). */
4002 DBGCVAR VarPTEAddr; /* The address of the current PTE. */
4003 unsigned cEntries; /* The number of entries to display. */
4004 unsigned cEntriesMax; /* The max number of entries to display. */
4005 int rc;
4006 if (pCmd->pszCmd[3] == 'a')
4007 {
4008 VarPTEAddr = paArgs[0];
4009 switch (VarPTEAddr.enmRangeType)
4010 {
4011 case DBGCVAR_RANGE_BYTES: cEntries = VarPTEAddr.u64Range / cbEntry; break;
4012 case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPTEAddr.u64Range; break;
4013 default: cEntries = 10; break;
4014 }
4015 cEntriesMax = PAGE_SIZE / cbEntry;
4016 }
4017 else
4018 {
4019 /*
4020 * Determine the range.
4021 */
4022 switch (paArgs[0].enmRangeType)
4023 {
4024 case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
4025 case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
4026 default: cEntries = 10; break;
4027 }
4028
4029 /*
4030 * Normalize the input address, it must be a flat GC address.
4031 */
4032 rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
4033 if (RT_FAILURE(rc))
4034 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
4035 if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
4036 {
4037 VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
4038 VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
4039 }
4040 VarGCPtr.u.GCFlat &= ~(RTGCPTR)PAGE_OFFSET_MASK;
4041
4042 /*
4043 * Do the paging walk until we get to the page table.
4044 */
4045 DBGCVAR VarCur;
4046 if (fGuest)
4047 DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
4048 else
4049 DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
4050 if (fLME)
4051 {
4052 /* Page Map Level 4 Lookup. */
4053 /* Check if it's a valid address first? */
4054 VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
4055 VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
4056 X86PML4E Pml4e;
4057 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
4058 if (RT_FAILURE(rc))
4059 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
4060 if (!Pml4e.n.u1Present)
4061 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
4062
4063 VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
4064 Assert(fPAE);
4065 }
4066 if (fPAE)
4067 {
4068 /* Page directory pointer table. */
4069 X86PDPE Pdpe;
4070 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
4071 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
4072 if (RT_FAILURE(rc))
4073 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
4074 if (!Pdpe.n.u1Present)
4075 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
4076
4077 VarCur.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
4078
4079 /* Page directory (PAE). */
4080 X86PDEPAE Pde;
4081 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK) * sizeof(Pde);
4082 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
4083 if (RT_FAILURE(rc))
4084 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
4085 if (!Pde.n.u1Present)
4086 return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
4087 if (fPSE && Pde.n.u1Size)
4088 return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
4089
4090 iEntry = (VarGCPtr.u.GCFlat >> X86_PT_PAE_SHIFT) & X86_PT_PAE_MASK;
4091 VarPTEAddr = VarCur;
4092 VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PAE_PG_MASK;
4093 VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTEPAE);
4094 }
4095 else
4096 {
4097 /* Page directory (legacy). */
4098 X86PDE Pde;
4099 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK) * sizeof(Pde);
4100 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
4101 if (RT_FAILURE(rc))
4102 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
4103 if (!Pde.n.u1Present)
4104 return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
4105 if (fPSE && Pde.n.u1Size)
4106 return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
4107
4108 iEntry = (VarGCPtr.u.GCFlat >> X86_PT_SHIFT) & X86_PT_MASK;
4109 VarPTEAddr = VarCur;
4110 VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PG_MASK;
4111 VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTE);
4112 }
4113 cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
4114 }
4115
4116 /* adjust cEntries */
4117 cEntries = RT_MAX(1, cEntries);
4118 cEntries = RT_MIN(cEntries, cEntriesMax);
4119
4120 /*
4121 * The display loop.
4122 */
4123 DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (base %DV / index %#x):\n" : "%DV:\n",