VirtualBox

source: vbox/trunk/src/VBox/Debugger/DBGCEmulateCodeView.cpp@ 76553

Last change on this file since 76553 was 76553, checked in by vboxsync, 6 years ago

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1/* $Id: DBGCEmulateCodeView.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
2/** @file
3 * DBGC - Debugger Console, CodeView / WinDbg Emulation.
4 */
5
6/*
7 * Copyright (C) 2006-2019 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 and type." },
375 { "dF", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as far 16:16." },
376 { "dFs", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as far 16:16 with near symbols." },
377 { "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
378 { "db", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in bytes." },
379 { "dd", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in double words." },
380 { "dds", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as double words with near symbols." },
381 { "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
382 { "dg", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT)." },
383 { "dga", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT) including not-present entries." },
384 { "di", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT)." },
385 { "dia", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT) including not-present entries." },
386 { "dl", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT)." },
387 { "dla", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT) including not-present entries." },
388 { "dpd", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the default context." },
389 { "dpda", 0, 1, &g_aArgDumpPDAddr[0],RT_ELEMENTS(g_aArgDumpPDAddr), 0, dbgcCmdDumpPageDir, "[addr]", "Dumps memory at given address as a page directory." },
390 { "dpdb", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDirBoth, "[addr|index]", "Dumps page directory entries of the guest and the hypervisor. " },
391 { "dpdg", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the guest." },
392 { "dpdh", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the hypervisor. " },
393 { "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." },
394 { "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." },
395 { "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." },
396 { "dp", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in mode sized words." },
397 { "dps", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in mode sized words with near symbols." },
398 { "dpt", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the default context." },
399 { "dpta", 1, 1, &g_aArgDumpPTAddr[0],RT_ELEMENTS(g_aArgDumpPTAddr), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps memory at given address as a page table." },
400 { "dptb", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTableBoth,"<addr>", "Dumps page table entries of the guest and the hypervisor." },
401 { "dptg", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the guest." },
402 { "dpth", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the hypervisor." },
403 { "dq", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in quad words." },
404 { "dqs", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as quad words with near symbols." },
405 { "dt", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the task state segment (TSS)." },
406 { "dt16", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 16-bit task state segment (TSS)." },
407 { "dt32", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 32-bit task state segment (TSS)." },
408 { "dt64", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 64-bit task state segment (TSS)." },
409 { "dti", 1, 2, &g_aArgDumpTypeInfo[0],RT_ELEMENTS(g_aArgDumpTypeInfo), 0, dbgcCmdDumpTypeInfo,"<type> [levels]", "Dump type information." },
410 { "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." },
411 { "du", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as unicode string (little endian)." },
412 { "dw", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in words." },
413 /** @todo add 'e', 'ea str', 'eza str', 'eu str' and 'ezu str'. See also
414 * dbgcCmdSearchMem and its dbgcVarsToBytes usage. */
415 { "eb", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 1-byte value to memory." },
416 { "ew", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 2-byte value to memory." },
417 { "ed", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 4-byte value to memory." },
418 { "eq", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 8-byte value to memory." },
419 { "g", 0, 0, NULL, 0, 0, dbgcCmdGo, "", "Continue execution." },
420 { "gu", 0, 0, NULL, 0, 0, dbgcCmdGoUp, "", "Go up - continue execution till after return." },
421 { "k", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack." },
422 { "kv", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Verbose callstack." },
423 { "kg", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - guest." },
424 { "kgv", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Verbose callstack - guest." },
425 { "kh", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - hypervisor." },
426 { "lm", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules." },
427 { "lmv", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules, verbose." },
428 { "lmo", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments." },
429 { "lmov", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments, verbose." },
430 { "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." },
431 { "ls", 0, 1, &g_aArgListSource[0],RT_ELEMENTS(g_aArgListSource), 0, dbgcCmdListSource, "[addr]", "Source." },
432 { "m", 1, 1, &g_aArgMemoryInfo[0],RT_ELEMENTS(g_aArgMemoryInfo), 0, dbgcCmdMemoryInfo, "<addr>", "Display information about that piece of memory." },
433 { "p", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step over." },
434 { "pr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." },
435 { "pa", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Step to the given address." },
436 { "pc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step to the next call instruction." },
437 { "pt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step to the next return instruction." },
438 { "r", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdReg, "[reg [[=] newval]]", "Show or set register(s) - active reg set." },
439 { "rg", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegGuest, "[reg [[=] newval]]", "Show or set register(s) - guest reg set." },
440 { "rg32", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 32-bit guest registers." },
441 { "rg64", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 64-bit guest registers." },
442 { "rh", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegHyper, "[reg [[=] newval]]", "Show or set register(s) - hypervisor reg set." },
443 { "rt", 0, 0, NULL, 0, 0, dbgcCmdRegTerse, "", "Toggles terse / verbose register info." },
444 { "s", 0, ~0U, &g_aArgSearchMem[0], RT_ELEMENTS(g_aArgSearchMem), 0, dbgcCmdSearchMem, "[options] <range> <pattern>", "Continue last search." },
445 { "sa", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an ascii string." },
446 { "sb", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more bytes." },
447 { "sd", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more double words." },
448 { "sq", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more quad words." },
449 { "su", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an unicode string." },
450 { "sw", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more words." },
451 { "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." },
452 { "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." },
453 { "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." },
454 { "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." },
455 { "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." },
456 { "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." },
457 { "t", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace ." },
458 { "tr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." },
459 { "ta", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Trace to the given address." },
460 { "tc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next call instruction." },
461 { "tt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next return instruction." },
462 { "u", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble." },
463 { "u64", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 64-bit code." },
464 { "u32", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 32-bit code." },
465 { "u16", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code." },
466 { "uv86", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code with v8086/real mode addressing." },
467 { "ucfg", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph." },
468 { "ucfgc", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph with colors." },
469};
470
471/** The number of commands in the CodeView/WinDbg emulation. */
472const uint32_t g_cCmdsCodeView = RT_ELEMENTS(g_aCmdsCodeView);
473
474
475/**
476 * Selectable debug event descriptors.
477 *
478 * @remarks Sorted by DBGCSXEVT::enmType value.
479 */
480const DBGCSXEVT g_aDbgcSxEvents[] =
481{
482 { DBGFEVENT_INTERRUPT_HARDWARE, "hwint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Hardware interrupt" },
483 { DBGFEVENT_INTERRUPT_SOFTWARE, "swint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Software interrupt" },
484 { DBGFEVENT_TRIPLE_FAULT, "triplefault", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Enabled, 0, "Triple fault "},
485 { DBGFEVENT_XCPT_DE, "xcpt_de", "de", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DE (integer divide error)" },
486 { DBGFEVENT_XCPT_DB, "xcpt_db", "db", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DB (debug)" },
487 { DBGFEVENT_XCPT_02, "xcpt_02", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
488 { DBGFEVENT_XCPT_BP, "xcpt_bp", "bp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BP (breakpoint)" },
489 { DBGFEVENT_XCPT_OF, "xcpt_of", "of", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#OF (overflow (INTO))" },
490 { DBGFEVENT_XCPT_BR, "xcpt_br", "br", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BR (bound range exceeded)" },
491 { DBGFEVENT_XCPT_UD, "xcpt_ud", "ud", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#UD (undefined opcode)" },
492 { DBGFEVENT_XCPT_NM, "xcpt_nm", "nm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#NM (FPU not available)" },
493 { DBGFEVENT_XCPT_DF, "xcpt_df", "df", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DF (double fault)" },
494 { DBGFEVENT_XCPT_09, "xcpt_09", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "Coprocessor segment overrun" },
495 { DBGFEVENT_XCPT_TS, "xcpt_ts", "ts", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#TS (task switch)" },
496 { DBGFEVENT_XCPT_NP, "xcpt_np", "np", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#NP (segment not present)" },
497 { DBGFEVENT_XCPT_SS, "xcpt_ss", "ss", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SS (stack segment fault)" },
498 { DBGFEVENT_XCPT_GP, "xcpt_gp", "gp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#GP (general protection fault)" },
499 { DBGFEVENT_XCPT_PF, "xcpt_pf", "pf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#PF (page fault)" },
500 { DBGFEVENT_XCPT_0f, "xcpt_0f", "xcpt0f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
501 { DBGFEVENT_XCPT_MF, "xcpt_mf", "mf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MF (math fault)" },
502 { DBGFEVENT_XCPT_AC, "xcpt_ac", "ac", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#AC (alignment check)" },
503 { DBGFEVENT_XCPT_MC, "xcpt_mc", "mc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MC (machine check)" },
504 { DBGFEVENT_XCPT_XF, "xcpt_xf", "xf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#XF (SIMD floating-point exception)" },
505 { DBGFEVENT_XCPT_VE, "xcpt_vd", "ve", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#VE (virtualization exception)" },
506 { DBGFEVENT_XCPT_15, "xcpt_15", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
507 { DBGFEVENT_XCPT_16, "xcpt_16", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
508 { DBGFEVENT_XCPT_17, "xcpt_17", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
509 { DBGFEVENT_XCPT_18, "xcpt_18", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
510 { DBGFEVENT_XCPT_19, "xcpt_19", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
511 { DBGFEVENT_XCPT_1a, "xcpt_1a", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
512 { DBGFEVENT_XCPT_1b, "xcpt_1b", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
513 { DBGFEVENT_XCPT_1c, "xcpt_1c", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
514 { DBGFEVENT_XCPT_1d, "xcpt_1d", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
515 { DBGFEVENT_XCPT_SX, "xcpt_sx", "sx", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SX (security exception)" },
516 { DBGFEVENT_XCPT_1f, "xcpt_1f", "xcpt1f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
517 { DBGFEVENT_INSTR_HALT, "instr_halt", "hlt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
518 { DBGFEVENT_INSTR_MWAIT, "instr_mwait", "mwait", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
519 { DBGFEVENT_INSTR_MONITOR, "instr_monitor", "monitor", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
520 { DBGFEVENT_INSTR_CPUID, "instr_cpuid", "cpuid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
521 { DBGFEVENT_INSTR_INVD, "instr_invd", "invd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
522 { DBGFEVENT_INSTR_WBINVD, "instr_wbinvd", "wbinvd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
523 { DBGFEVENT_INSTR_INVLPG, "instr_invlpg", "invlpg", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
524 { DBGFEVENT_INSTR_RDTSC, "instr_rdtsc", "rdtsc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
525 { DBGFEVENT_INSTR_RDTSCP, "instr_rdtscp", "rdtscp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
526 { DBGFEVENT_INSTR_RDPMC, "instr_rdpmc", "rdpmc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
527 { DBGFEVENT_INSTR_RDMSR, "instr_rdmsr", "rdmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
528 { DBGFEVENT_INSTR_WRMSR, "instr_wrmsr", "wrmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
529 { DBGFEVENT_INSTR_CRX_READ, "instr_crx_read", "crx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
530 { DBGFEVENT_INSTR_CRX_WRITE, "instr_crx_write", "crx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
531 { DBGFEVENT_INSTR_DRX_READ, "instr_drx_read", "drx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
532 { DBGFEVENT_INSTR_DRX_WRITE, "instr_drx_write", "drx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
533 { DBGFEVENT_INSTR_PAUSE, "instr_pause", "pause", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
534 { DBGFEVENT_INSTR_XSETBV, "instr_xsetbv", "xsetbv", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
535 { DBGFEVENT_INSTR_SIDT, "instr_sidt", "sidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
536 { DBGFEVENT_INSTR_LIDT, "instr_lidt", "lidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
537 { DBGFEVENT_INSTR_SGDT, "instr_sgdt", "sgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
538 { DBGFEVENT_INSTR_LGDT, "instr_lgdt", "lgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
539 { DBGFEVENT_INSTR_SLDT, "instr_sldt", "sldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
540 { DBGFEVENT_INSTR_LLDT, "instr_lldt", "lldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
541 { DBGFEVENT_INSTR_STR, "instr_str", "str", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
542 { DBGFEVENT_INSTR_LTR, "instr_ltr", "ltr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
543 { DBGFEVENT_INSTR_GETSEC, "instr_getsec", "getsec", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
544 { DBGFEVENT_INSTR_RSM, "instr_rsm", "rsm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
545 { DBGFEVENT_INSTR_RDRAND, "instr_rdrand", "rdrand", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
546 { DBGFEVENT_INSTR_RDSEED, "instr_rdseed", "rdseed", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
547 { DBGFEVENT_INSTR_XSAVES, "instr_xsaves", "xsaves", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
548 { DBGFEVENT_INSTR_XRSTORS, "instr_xrstors", "xrstors", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
549 { DBGFEVENT_INSTR_VMM_CALL, "instr_vmm_call", "vmm_call", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
550 { DBGFEVENT_INSTR_VMX_VMCLEAR, "instr_vmx_vmclear", "vmclear", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
551 { DBGFEVENT_INSTR_VMX_VMLAUNCH, "instr_vmx_vmlaunch", "vmlaunch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
552 { DBGFEVENT_INSTR_VMX_VMPTRLD, "instr_vmx_vmptrld", "vmptrld", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
553 { DBGFEVENT_INSTR_VMX_VMPTRST, "instr_vmx_vmptrst", "vmptrst", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
554 { DBGFEVENT_INSTR_VMX_VMREAD, "instr_vmx_vmread", "vmread", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
555 { DBGFEVENT_INSTR_VMX_VMRESUME, "instr_vmx_vmresume", "vmresume", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
556 { DBGFEVENT_INSTR_VMX_VMWRITE, "instr_vmx_vmwrite", "vmwrite", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
557 { DBGFEVENT_INSTR_VMX_VMXOFF, "instr_vmx_vmxoff", "vmxoff", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
558 { DBGFEVENT_INSTR_VMX_VMXON, "instr_vmx_vmxon", "vmxon", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
559 { DBGFEVENT_INSTR_VMX_VMFUNC, "instr_vmx_vmfunc", "vmfunc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
560 { DBGFEVENT_INSTR_VMX_INVEPT, "instr_vmx_invept", "invept", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
561 { DBGFEVENT_INSTR_VMX_INVVPID, "instr_vmx_invvpid", "invvpid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
562 { DBGFEVENT_INSTR_VMX_INVPCID, "instr_vmx_invpcid", "invpcid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
563 { DBGFEVENT_INSTR_SVM_VMRUN, "instr_svm_vmrun", "vmrun", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
564 { DBGFEVENT_INSTR_SVM_VMLOAD, "instr_svm_vmload", "vmload", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
565 { DBGFEVENT_INSTR_SVM_VMSAVE, "instr_svm_vmsave", "vmsave", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
566 { DBGFEVENT_INSTR_SVM_STGI, "instr_svm_stgi", "stgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
567 { DBGFEVENT_INSTR_SVM_CLGI, "instr_svm_clgi", "clgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
568 { DBGFEVENT_EXIT_TASK_SWITCH, "exit_task_switch", "task_switch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
569 { DBGFEVENT_EXIT_HALT, "exit_halt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
570 { DBGFEVENT_EXIT_MWAIT, "exit_mwait", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
571 { DBGFEVENT_EXIT_MONITOR, "exit_monitor", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
572 { DBGFEVENT_EXIT_CPUID, "exit_cpuid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
573 { DBGFEVENT_EXIT_INVD, "exit_invd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
574 { DBGFEVENT_EXIT_WBINVD, "exit_wbinvd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
575 { DBGFEVENT_EXIT_INVLPG, "exit_invlpg", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
576 { DBGFEVENT_EXIT_RDTSC, "exit_rdtsc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
577 { DBGFEVENT_EXIT_RDTSCP, "exit_rdtscp", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
578 { DBGFEVENT_EXIT_RDPMC, "exit_rdpmc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
579 { DBGFEVENT_EXIT_RDMSR, "exit_rdmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
580 { DBGFEVENT_EXIT_WRMSR, "exit_wrmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
581 { DBGFEVENT_EXIT_CRX_READ, "exit_crx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
582 { DBGFEVENT_EXIT_CRX_WRITE, "exit_crx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
583 { DBGFEVENT_EXIT_DRX_READ, "exit_drx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
584 { DBGFEVENT_EXIT_DRX_WRITE, "exit_drx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
585 { DBGFEVENT_EXIT_PAUSE, "exit_pause", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
586 { DBGFEVENT_EXIT_XSETBV, "exit_xsetbv", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
587 { DBGFEVENT_EXIT_SIDT, "exit_sidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
588 { DBGFEVENT_EXIT_LIDT, "exit_lidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
589 { DBGFEVENT_EXIT_SGDT, "exit_sgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
590 { DBGFEVENT_EXIT_LGDT, "exit_lgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
591 { DBGFEVENT_EXIT_SLDT, "exit_sldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
592 { DBGFEVENT_EXIT_LLDT, "exit_lldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
593 { DBGFEVENT_EXIT_STR, "exit_str", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
594 { DBGFEVENT_EXIT_LTR, "exit_ltr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
595 { DBGFEVENT_EXIT_GETSEC, "exit_getsec", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
596 { DBGFEVENT_EXIT_RSM, "exit_rsm", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
597 { DBGFEVENT_EXIT_RDRAND, "exit_rdrand", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
598 { DBGFEVENT_EXIT_RDSEED, "exit_rdseed", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
599 { DBGFEVENT_EXIT_XSAVES, "exit_xsaves", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
600 { DBGFEVENT_EXIT_XRSTORS, "exit_xrstors", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
601 { DBGFEVENT_EXIT_VMM_CALL, "exit_vmm_call", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
602 { DBGFEVENT_EXIT_VMX_VMCLEAR, "exit_vmx_vmclear", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
603 { DBGFEVENT_EXIT_VMX_VMLAUNCH, "exit_vmx_vmlaunch", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
604 { DBGFEVENT_EXIT_VMX_VMPTRLD, "exit_vmx_vmptrld", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
605 { DBGFEVENT_EXIT_VMX_VMPTRST, "exit_vmx_vmptrst", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
606 { DBGFEVENT_EXIT_VMX_VMREAD, "exit_vmx_vmread", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
607 { DBGFEVENT_EXIT_VMX_VMRESUME, "exit_vmx_vmresume", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
608 { DBGFEVENT_EXIT_VMX_VMWRITE, "exit_vmx_vmwrite", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
609 { DBGFEVENT_EXIT_VMX_VMXOFF, "exit_vmx_vmxoff", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
610 { DBGFEVENT_EXIT_VMX_VMXON, "exit_vmx_vmxon", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
611 { DBGFEVENT_EXIT_VMX_VMFUNC, "exit_vmx_vmfunc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
612 { DBGFEVENT_EXIT_VMX_INVEPT, "exit_vmx_invept", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
613 { DBGFEVENT_EXIT_VMX_INVVPID, "exit_vmx_invvpid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
614 { DBGFEVENT_EXIT_VMX_INVPCID, "exit_vmx_invpcid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
615 { DBGFEVENT_EXIT_VMX_EPT_VIOLATION, "exit_vmx_ept_violation", "eptvio", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
616 { DBGFEVENT_EXIT_VMX_EPT_MISCONFIG, "exit_vmx_ept_misconfig", "eptmis", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
617 { DBGFEVENT_EXIT_VMX_VAPIC_ACCESS, "exit_vmx_vapic_access", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
618 { DBGFEVENT_EXIT_VMX_VAPIC_WRITE, "exit_vmx_vapic_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
619 { DBGFEVENT_EXIT_SVM_VMRUN, "exit_svm_vmrun", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
620 { DBGFEVENT_EXIT_SVM_VMLOAD, "exit_svm_vmload", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
621 { DBGFEVENT_EXIT_SVM_VMSAVE, "exit_svm_vmsave", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
622 { DBGFEVENT_EXIT_SVM_STGI, "exit_svm_stgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
623 { DBGFEVENT_EXIT_SVM_CLGI, "exit_svm_clgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
624 { DBGFEVENT_IOPORT_UNASSIGNED, "pio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
625 { DBGFEVENT_IOPORT_UNUSED, "pio_unused", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
626 { DBGFEVENT_MEMORY_UNASSIGNED, "mmio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
627 { DBGFEVENT_MEMORY_ROM_WRITE, "rom_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
628 { DBGFEVENT_BSOD_MSR, "bsod_msr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL },
629 { DBGFEVENT_BSOD_EFI, "bsod_efi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL },
630 { DBGFEVENT_BSOD_VMMDEV, "bsod_vmmdev", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_BUGCHECK, NULL },
631};
632/** Number of entries in g_aDbgcSxEvents. */
633const uint32_t g_cDbgcSxEvents = RT_ELEMENTS(g_aDbgcSxEvents);
634
635
636
637/**
638 * @callback_method_impl{FNDBGCCMD, The 'g' command.}
639 */
640static DECLCALLBACK(int) dbgcCmdGo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
641{
642 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
643
644 /*
645 * Check if the VM is halted or not before trying to resume it.
646 */
647 if (!DBGFR3IsHalted(pUVM))
648 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The VM is already running");
649
650 int rc = DBGFR3Resume(pUVM);
651 if (RT_FAILURE(rc))
652 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3Resume");
653
654 NOREF(paArgs); NOREF(cArgs);
655 return VINF_SUCCESS;
656}
657
658
659/**
660 * @callback_method_impl{FNDBGCCMD, The 'gu' command.}
661 */
662static DECLCALLBACK(int) dbgcCmdGoUp(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
663{
664 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
665 RT_NOREF(pCmd, paArgs, cArgs);
666
667 /* The simple way out. */
668 PDBGFADDRESS pStackPop = NULL; /** @todo try set up some stack limitations */
669 RTGCPTR cbStackPop = 0;
670 int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, DBGF_STEP_F_OVER | DBGF_STEP_F_STOP_AFTER_RET, NULL, pStackPop, cbStackPop, _512K);
671 if (RT_SUCCESS(rc))
672 pDbgc->fReady = false;
673 else
674 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,DBGF_STEP_F_OVER | DBGF_STEP_F_STOP_AFTER_RET,) failed");
675 return rc;
676}
677
678
679/**
680 * @callback_method_impl{FNDBGCCMD, The 'ba' command.}
681 */
682static DECLCALLBACK(int) dbgcCmdBrkAccess(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
683{
684 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
685
686 /*
687 * Interpret access type.
688 */
689 if ( !strchr("xrwi", paArgs[0].u.pszString[0])
690 || paArgs[0].u.pszString[1])
691 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access type '%s' for '%s'. Valid types are 'e', 'r', 'w' and 'i'",
692 paArgs[0].u.pszString, pCmd->pszCmd);
693 uint8_t fType = 0;
694 switch (paArgs[0].u.pszString[0])
695 {
696 case 'x': fType = X86_DR7_RW_EO; break;
697 case 'r': fType = X86_DR7_RW_RW; break;
698 case 'w': fType = X86_DR7_RW_WO; break;
699 case 'i': fType = X86_DR7_RW_IO; break;
700 }
701
702 /*
703 * Validate size.
704 */
705 if (fType == X86_DR7_RW_EO && paArgs[1].u.u64Number != 1)
706 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 'x' access type requires size 1!",
707 paArgs[1].u.u64Number, pCmd->pszCmd);
708 switch (paArgs[1].u.u64Number)
709 {
710 case 1:
711 case 2:
712 case 4:
713 break;
714 /*case 8: - later*/
715 default:
716 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 1, 2 or 4!",
717 paArgs[1].u.u64Number, pCmd->pszCmd);
718 }
719 uint8_t cb = (uint8_t)paArgs[1].u.u64Number;
720
721 /*
722 * Convert the pointer to a DBGF address.
723 */
724 DBGFADDRESS Address;
725 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[2], &Address);
726 if (RT_FAILURE(rc))
727 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%DV,)", &paArgs[2]);
728
729 /*
730 * Pick out the optional arguments.
731 */
732 uint64_t iHitTrigger = 0;
733 uint64_t iHitDisable = UINT64_MAX;
734 const char *pszCmds = NULL;
735 unsigned iArg = 3;
736 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
737 {
738 iHitTrigger = paArgs[iArg].u.u64Number;
739 iArg++;
740 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
741 {
742 iHitDisable = paArgs[iArg].u.u64Number;
743 iArg++;
744 }
745 }
746 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
747 {
748 pszCmds = paArgs[iArg].u.pszString;
749 iArg++;
750 }
751
752 /*
753 * Try set the breakpoint.
754 */
755 uint32_t iBp;
756 rc = DBGFR3BpSetReg(pUVM, &Address, iHitTrigger, iHitDisable, fType, cb, &iBp);
757 if (RT_SUCCESS(rc))
758 {
759 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
760 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
761 if (RT_SUCCESS(rc))
762 return DBGCCmdHlpPrintf(pCmdHlp, "Set access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
763 if (rc == VERR_DBGC_BP_EXISTS)
764 {
765 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
766 if (RT_SUCCESS(rc))
767 return DBGCCmdHlpPrintf(pCmdHlp, "Updated access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
768 }
769 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
770 AssertRC(rc2);
771 }
772 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set access breakpoint at %RGv", Address.FlatPtr);
773}
774
775
776/**
777 * @callback_method_impl{FNDBGCCMD, The 'bc' command.}
778 */
779static DECLCALLBACK(int) dbgcCmdBrkClear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
780{
781 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
782
783 /*
784 * Enumerate the arguments.
785 */
786 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
787 int rc = VINF_SUCCESS;
788 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
789 {
790 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
791 {
792 /* one */
793 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
794 if (iBp == paArgs[iArg].u.u64Number)
795 {
796 int rc2 = DBGFR3BpClear(pUVM, iBp);
797 if (RT_FAILURE(rc2))
798 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
799 if (RT_SUCCESS(rc2) || rc2 == VERR_DBGF_BP_NOT_FOUND)
800 dbgcBpDelete(pDbgc, iBp);
801 }
802 else
803 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
804 }
805 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
806 {
807 /* all */
808 PDBGCBP pBp = pDbgc->pFirstBp;
809 while (pBp)
810 {
811 uint32_t iBp = pBp->iBp;
812 pBp = pBp->pNext;
813
814 int rc2 = DBGFR3BpClear(pUVM, iBp);
815 if (RT_FAILURE(rc2))
816 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
817 if (RT_SUCCESS(rc2) || rc2 == VERR_DBGF_BP_NOT_FOUND)
818 dbgcBpDelete(pDbgc, iBp);
819 }
820 }
821 else
822 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
823 }
824 return rc;
825}
826
827
828/**
829 * @callback_method_impl{FNDBGCCMD, The 'bd' command.}
830 */
831static DECLCALLBACK(int) dbgcCmdBrkDisable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
832{
833 /*
834 * Enumerate the arguments.
835 */
836 int rc = VINF_SUCCESS;
837 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
838 {
839 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
840 {
841 /* one */
842 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
843 if (iBp == paArgs[iArg].u.u64Number)
844 {
845 rc = DBGFR3BpDisable(pUVM, iBp);
846 if (RT_FAILURE(rc))
847 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpDisable failed for breakpoint %#x", iBp);
848 }
849 else
850 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
851 }
852 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
853 {
854 /* all */
855 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
856 for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
857 {
858 int rc2 = DBGFR3BpDisable(pUVM, pBp->iBp);
859 if (RT_FAILURE(rc2))
860 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpDisable failed for breakpoint %#x", pBp->iBp);
861 }
862 }
863 else
864 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
865 }
866 return rc;
867}
868
869
870/**
871 * @callback_method_impl{FNDBGCCMD, The 'be' command.}
872 */
873static DECLCALLBACK(int) dbgcCmdBrkEnable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
874{
875 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
876
877 /*
878 * Enumerate the arguments.
879 */
880 int rc = VINF_SUCCESS;
881 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
882 {
883 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
884 {
885 /* one */
886 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
887 if (iBp == paArgs[iArg].u.u64Number)
888 {
889 rc = DBGFR3BpEnable(pUVM, iBp);
890 if (RT_FAILURE(rc))
891 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnable failed for breakpoint %#x", iBp);
892 }
893 else
894 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
895 }
896 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
897 {
898 /* all */
899 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
900 for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
901 {
902 int rc2 = DBGFR3BpEnable(pUVM, pBp->iBp);
903 if (RT_FAILURE(rc2))
904 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpEnable failed for breakpoint %#x", pBp->iBp);
905 }
906 }
907 else
908 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
909 }
910 return rc;
911}
912
913
914/**
915 * Breakpoint enumeration callback function.
916 *
917 * @returns VBox status code. Any failure will stop the enumeration.
918 * @param pUVM The user mode VM handle.
919 * @param pvUser The user argument.
920 * @param pBp Pointer to the breakpoint information. (readonly)
921 */
922static DECLCALLBACK(int) dbgcEnumBreakpointsCallback(PUVM pUVM, void *pvUser, PCDBGFBP pBp)
923{
924 PDBGC pDbgc = (PDBGC)pvUser;
925 PDBGCBP pDbgcBp = dbgcBpGet(pDbgc, pBp->iBp);
926
927 /*
928 * BP type and size.
929 */
930 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%#4x %c ", pBp->iBp, pBp->fEnabled ? 'e' : 'd');
931 bool fHasAddress = false;
932 switch (pBp->enmType)
933 {
934 case DBGFBPTYPE_INT3:
935 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " p %RGv", pBp->u.Int3.GCPtr);
936 fHasAddress = true;
937 break;
938 case DBGFBPTYPE_REG:
939 {
940 char chType;
941 switch (pBp->u.Reg.fType)
942 {
943 case X86_DR7_RW_EO: chType = 'x'; break;
944 case X86_DR7_RW_WO: chType = 'w'; break;
945 case X86_DR7_RW_IO: chType = 'i'; break;
946 case X86_DR7_RW_RW: chType = 'r'; break;
947 default: chType = '?'; break;
948
949 }
950 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%d %c %RGv", pBp->u.Reg.cb, chType, pBp->u.Reg.GCPtr);
951 fHasAddress = true;
952 break;
953 }
954
955 case DBGFBPTYPE_REM:
956 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " r %RGv", pBp->u.Rem.GCPtr);
957 fHasAddress = true;
958 break;
959
960/** @todo realign the list when I/O and MMIO breakpoint command have been added and it's possible to test this code. */
961 case DBGFBPTYPE_PORT_IO:
962 case DBGFBPTYPE_MMIO:
963 {
964 uint32_t fAccess = pBp->enmType == DBGFBPTYPE_PORT_IO ? pBp->u.PortIo.fAccess : pBp->u.Mmio.fAccess;
965 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, pBp->enmType == DBGFBPTYPE_PORT_IO ? " i" : " m");
966 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
967 fAccess & DBGFBPIOACCESS_READ_MASK ? 'r' : '-',
968 fAccess & DBGFBPIOACCESS_READ_BYTE ? '1' : '-',
969 fAccess & DBGFBPIOACCESS_READ_WORD ? '2' : '-',
970 fAccess & DBGFBPIOACCESS_READ_DWORD ? '4' : '-',
971 fAccess & DBGFBPIOACCESS_READ_QWORD ? '8' : '-',
972 fAccess & DBGFBPIOACCESS_READ_OTHER ? '+' : '-');
973 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
974 fAccess & DBGFBPIOACCESS_WRITE_MASK ? 'w' : '-',
975 fAccess & DBGFBPIOACCESS_WRITE_BYTE ? '1' : '-',
976 fAccess & DBGFBPIOACCESS_WRITE_WORD ? '2' : '-',
977 fAccess & DBGFBPIOACCESS_WRITE_DWORD ? '4' : '-',
978 fAccess & DBGFBPIOACCESS_WRITE_QWORD ? '8' : '-',
979 fAccess & DBGFBPIOACCESS_WRITE_OTHER ? '+' : '-');
980 if (pBp->enmType == DBGFBPTYPE_PORT_IO)
981 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04x-%04x",
982 pBp->u.PortIo.uPort, pBp->u.PortIo.uPort + pBp->u.PortIo.cPorts - 1);
983 else
984 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%RGp LB %03x", pBp->u.Mmio.PhysAddr, pBp->u.Mmio.cb);
985 break;
986 }
987
988 default:
989 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " unknown type %d!!", pBp->enmType);
990 AssertFailed();
991 break;
992
993 }
994 if (pBp->iHitDisable == ~(uint64_t)0)
995 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to ~0) ", pBp->cHits, pBp->iHitTrigger);
996 else
997 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to %04RX64)", pBp->cHits, pBp->iHitTrigger, pBp->iHitDisable);
998
999 /*
1000 * Try resolve the address if it has one.
1001 */
1002 if (fHasAddress)
1003 {
1004 RTDBGSYMBOL Sym;
1005 RTINTPTR off;
1006 DBGFADDRESS Addr;
1007 int rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, pBp->u.GCPtr),
1008 RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
1009 &off, &Sym, NULL);
1010 if (RT_SUCCESS(rc))
1011 {
1012 if (!off)
1013 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s", Sym.szName);
1014 else if (off > 0)
1015 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s+%RGv", Sym.szName, off);
1016 else
1017 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s-%RGv", Sym.szName, -off);
1018 }
1019 }
1020
1021 /*
1022 * The commands.
1023 */
1024 if (pDbgcBp)
1025 {
1026 if (pDbgcBp->cchCmd)
1027 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n cmds: '%s'\n", pDbgcBp->szCmd);
1028 else
1029 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n");
1030 }
1031 else
1032 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " [unknown bp]\n");
1033
1034 return VINF_SUCCESS;
1035}
1036
1037
1038/**
1039 * @callback_method_impl{FNDBGCCMD, The 'bl' command.}
1040 */
1041static DECLCALLBACK(int) dbgcCmdBrkList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1042{
1043 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1044 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs == 0);
1045 NOREF(paArgs);
1046
1047 /*
1048 * Enumerate the breakpoints.
1049 */
1050 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1051 int rc = DBGFR3BpEnum(pUVM, dbgcEnumBreakpointsCallback, pDbgc);
1052 if (RT_FAILURE(rc))
1053 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnum");
1054 return rc;
1055}
1056
1057
1058/**
1059 * @callback_method_impl{FNDBGCCMD, The 'bp' command.}
1060 */
1061static DECLCALLBACK(int) dbgcCmdBrkSet(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1062{
1063 /*
1064 * Convert the pointer to a DBGF address.
1065 */
1066 DBGFADDRESS Address;
1067 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1068 if (RT_FAILURE(rc))
1069 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1070
1071 /*
1072 * Pick out the optional arguments.
1073 */
1074 uint64_t iHitTrigger = 0;
1075 uint64_t iHitDisable = UINT64_MAX;
1076 const char *pszCmds = NULL;
1077 unsigned iArg = 1;
1078 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1079 {
1080 iHitTrigger = paArgs[iArg].u.u64Number;
1081 iArg++;
1082 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1083 {
1084 iHitDisable = paArgs[iArg].u.u64Number;
1085 iArg++;
1086 }
1087 }
1088 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1089 {
1090 pszCmds = paArgs[iArg].u.pszString;
1091 iArg++;
1092 }
1093
1094 /*
1095 * Try set the breakpoint.
1096 */
1097 uint32_t iBp;
1098 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1099 rc = DBGFR3BpSetInt3(pUVM, pDbgc->idCpu, &Address, iHitTrigger, iHitDisable, &iBp);
1100 if (RT_SUCCESS(rc))
1101 {
1102 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1103 if (RT_SUCCESS(rc))
1104 return DBGCCmdHlpPrintf(pCmdHlp, "Set breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1105 if (rc == VERR_DBGC_BP_EXISTS)
1106 {
1107 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1108 if (RT_SUCCESS(rc))
1109 return DBGCCmdHlpPrintf(pCmdHlp, "Updated breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1110 }
1111 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1112 AssertRC(rc2);
1113 }
1114 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set breakpoint at %RGv", Address.FlatPtr);
1115}
1116
1117
1118/**
1119 * @callback_method_impl{FNDBGCCMD, The 'br' command.}
1120 */
1121static DECLCALLBACK(int) dbgcCmdBrkREM(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1122{
1123 /*
1124 * Convert the pointer to a DBGF address.
1125 */
1126 DBGFADDRESS Address;
1127 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1128 if (RT_FAILURE(rc))
1129 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1130
1131 /*
1132 * Pick out the optional arguments.
1133 */
1134 uint64_t iHitTrigger = 0;
1135 uint64_t iHitDisable = UINT64_MAX;
1136 const char *pszCmds = NULL;
1137 unsigned iArg = 1;
1138 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1139 {
1140 iHitTrigger = paArgs[iArg].u.u64Number;
1141 iArg++;
1142 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1143 {
1144 iHitDisable = paArgs[iArg].u.u64Number;
1145 iArg++;
1146 }
1147 }
1148 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1149 {
1150 pszCmds = paArgs[iArg].u.pszString;
1151 iArg++;
1152 }
1153
1154 /*
1155 * Try set the breakpoint.
1156 */
1157 uint32_t iBp;
1158 rc = DBGFR3BpSetREM(pUVM, &Address, iHitTrigger, iHitDisable, &iBp);
1159 if (RT_SUCCESS(rc))
1160 {
1161 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1162 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1163 if (RT_SUCCESS(rc))
1164 return DBGCCmdHlpPrintf(pCmdHlp, "Set REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1165 if (rc == VERR_DBGC_BP_EXISTS)
1166 {
1167 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1168 if (RT_SUCCESS(rc))
1169 return DBGCCmdHlpPrintf(pCmdHlp, "Updated REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1170 }
1171 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1172 AssertRC(rc2);
1173 }
1174 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set REM breakpoint at %RGv", Address.FlatPtr);
1175}
1176
1177
1178/**
1179 * Helps the unassmble ('u') command display symbols it starts at and passes.
1180 *
1181 * @param pUVM The user mode VM handle.
1182 * @param pCmdHlp The command helpers for printing via.
1183 * @param hDbgAs The address space to look up addresses in.
1184 * @param pAddress The current address.
1185 * @param pcbCallAgain Where to return the distance to the next check (in
1186 * instruction bytes).
1187 */
1188static void dbgcCmdUnassambleHelpListNear(PUVM pUVM, PDBGCCMDHLP pCmdHlp, RTDBGAS hDbgAs, PCDBGFADDRESS pAddress,
1189 PRTUINTPTR pcbCallAgain)
1190{
1191 RTDBGSYMBOL Symbol;
1192 RTGCINTPTR offDispSym;
1193 int rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress,
1194 RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
1195 &offDispSym, &Symbol, NULL);
1196 if (RT_FAILURE(rc) || offDispSym > _1G)
1197 rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress,
1198 RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
1199 &offDispSym, &Symbol, NULL);
1200 if (RT_SUCCESS(rc) && offDispSym < _1G)
1201 {
1202 if (!offDispSym)
1203 {
1204 DBGCCmdHlpPrintf(pCmdHlp, "%s:\n", Symbol.szName);
1205 *pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb;
1206 }
1207 else if (offDispSym > 0)
1208 {
1209 DBGCCmdHlpPrintf(pCmdHlp, "%s+%#llx:\n", Symbol.szName, (uint64_t)offDispSym);
1210 *pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb > (RTGCUINTPTR)offDispSym ? Symbol.cb - (RTGCUINTPTR)offDispSym : 1;
1211 }
1212 else
1213 {
1214 DBGCCmdHlpPrintf(pCmdHlp, "%s-%#llx:\n", Symbol.szName, (uint64_t)-offDispSym);
1215 *pcbCallAgain = !Symbol.cb ? 64 : (RTGCUINTPTR)-offDispSym + Symbol.cb;
1216 }
1217 }
1218 else
1219 *pcbCallAgain = UINT32_MAX;
1220}
1221
1222
1223/**
1224 * @callback_method_impl{FNDBGCCMD, The 'u' command.}
1225 */
1226static DECLCALLBACK(int) dbgcCmdUnassemble(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1227{
1228 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1229
1230 /*
1231 * Validate input.
1232 */
1233 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1234 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
1235 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
1236
1237 if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1238 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
1239
1240 /*
1241 * Check the desired mode.
1242 */
1243 unsigned fFlags = DBGF_DISAS_FLAGS_NO_ADDRESS | DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
1244 switch (pCmd->pszCmd[1])
1245 {
1246 default: AssertFailed(); RT_FALL_THRU();
1247 case '\0': fFlags |= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
1248 case '6': fFlags |= DBGF_DISAS_FLAGS_64BIT_MODE; break;
1249 case '3': fFlags |= DBGF_DISAS_FLAGS_32BIT_MODE; break;
1250 case '1': fFlags |= DBGF_DISAS_FLAGS_16BIT_MODE; break;
1251 case 'v': fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
1252 }
1253
1254 /** @todo should use DBGFADDRESS for everything */
1255
1256 /*
1257 * Find address.
1258 */
1259 if (!cArgs)
1260 {
1261 if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1262 {
1263 /** @todo Batch query CS, RIP, CPU mode and flags. */
1264 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
1265 if ( pDbgc->fRegCtxGuest
1266 && CPUMIsGuestIn64BitCode(pVCpu))
1267 {
1268 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
1269 pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
1270 }
1271 else
1272 {
1273 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
1274 pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
1275 pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
1276 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
1277 && pDbgc->fRegCtxGuest
1278 && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
1279 {
1280 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1281 fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
1282 }
1283 }
1284
1285 if (pDbgc->fRegCtxGuest)
1286 fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST;
1287 else
1288 fFlags |= DBGF_DISAS_FLAGS_CURRENT_HYPER | DBGF_DISAS_FLAGS_HYPER;
1289 }
1290 else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
1291 {
1292 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1293 fFlags |= pDbgc->fDisasm & (DBGF_DISAS_FLAGS_MODE_MASK | DBGF_DISAS_FLAGS_HYPER);
1294 }
1295 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
1296 }
1297 else
1298 pDbgc->DisasmPos = paArgs[0];
1299 pDbgc->pLastPos = &pDbgc->DisasmPos;
1300
1301 /*
1302 * Range.
1303 */
1304 switch (pDbgc->DisasmPos.enmRangeType)
1305 {
1306 case DBGCVAR_RANGE_NONE:
1307 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
1308 pDbgc->DisasmPos.u64Range = 10;
1309 break;
1310
1311 case DBGCVAR_RANGE_ELEMENTS:
1312 if (pDbgc->DisasmPos.u64Range > 2048)
1313 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
1314 break;
1315
1316 case DBGCVAR_RANGE_BYTES:
1317 if (pDbgc->DisasmPos.u64Range > 65536)
1318 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
1319 break;
1320
1321 default:
1322 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
1323 }
1324
1325 /*
1326 * Convert physical and host addresses to guest addresses.
1327 */
1328 RTDBGAS hDbgAs = pDbgc->hDbgAs;
1329 int rc;
1330 switch (pDbgc->DisasmPos.enmType)
1331 {
1332 case DBGCVAR_TYPE_GC_FLAT:
1333 case DBGCVAR_TYPE_GC_FAR:
1334 break;
1335 case DBGCVAR_TYPE_GC_PHYS:
1336 hDbgAs = DBGF_AS_PHYS;
1337 RT_FALL_THRU();
1338 case DBGCVAR_TYPE_HC_FLAT:
1339 case DBGCVAR_TYPE_HC_PHYS:
1340 {
1341 DBGCVAR VarTmp;
1342 rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
1343 if (RT_FAILURE(rc))
1344 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
1345 pDbgc->DisasmPos = VarTmp;
1346 break;
1347 }
1348 default: AssertFailed(); break;
1349 }
1350
1351 DBGFADDRESS CurAddr;
1352 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1353 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1354 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1355 else
1356 {
1357 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1358 if (RT_FAILURE(rc))
1359 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
1360 }
1361
1362 if (CurAddr.fFlags & DBGFADDRESS_FLAGS_HMA)
1363 fFlags |= DBGF_DISAS_FLAGS_HYPER; /* This crap is due to not using DBGFADDRESS as DBGFR3Disas* input. */
1364 pDbgc->fDisasm = fFlags;
1365
1366 /*
1367 * Figure out where we are and display it. Also calculate when we need to
1368 * check for a new symbol if possible.
1369 */
1370 RTGCUINTPTR cbCheckSymbol;
1371 dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1372
1373 /*
1374 * Do the disassembling.
1375 */
1376 unsigned cTries = 32;
1377 int iRangeLeft = (int)pDbgc->DisasmPos.u64Range;
1378 if (iRangeLeft == 0) /* kludge for 'r'. */
1379 iRangeLeft = -1;
1380 for (;;)
1381 {
1382 /*
1383 * Disassemble the instruction.
1384 */
1385 char szDis[256];
1386 uint32_t cbInstr = 1;
1387 if (pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FLAT)
1388 rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, DBGF_SEL_FLAT, pDbgc->DisasmPos.u.GCFlat, fFlags,
1389 &szDis[0], sizeof(szDis), &cbInstr);
1390 else
1391 rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, pDbgc->DisasmPos.u.GCFar.sel, pDbgc->DisasmPos.u.GCFar.off, fFlags,
1392 &szDis[0], sizeof(szDis), &cbInstr);
1393 if (RT_SUCCESS(rc))
1394 {
1395 /* print it */
1396 rc = DBGCCmdHlpPrintf(pCmdHlp, "%-16DV %s\n", &pDbgc->DisasmPos, &szDis[0]);
1397 if (RT_FAILURE(rc))
1398 return rc;
1399 }
1400 else
1401 {
1402 /* bitch. */
1403 int rc2 = DBGCCmdHlpPrintf(pCmdHlp, "Failed to disassemble instruction, skipping one byte.\n");
1404 if (RT_FAILURE(rc2))
1405 return rc2;
1406 if (cTries-- > 0)
1407 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Too many disassembly failures. Giving up");
1408 cbInstr = 1;
1409 }
1410
1411 /* advance */
1412 if (iRangeLeft < 0) /* 'r' */
1413 break;
1414 if (pDbgc->DisasmPos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
1415 iRangeLeft--;
1416 else
1417 iRangeLeft -= cbInstr;
1418 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DisasmPos, "(%Dv) + %x", &pDbgc->DisasmPos, cbInstr);
1419 if (RT_FAILURE(rc))
1420 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpEval(,,'(%Dv) + %x')", &pDbgc->DisasmPos, cbInstr);
1421 if (iRangeLeft <= 0)
1422 break;
1423 fFlags &= ~(DBGF_DISAS_FLAGS_CURRENT_GUEST | DBGF_DISAS_FLAGS_CURRENT_HYPER);
1424
1425 /* Print next symbol? */
1426 if (cbCheckSymbol <= cbInstr)
1427 {
1428 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1429 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1430 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1431 else
1432 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1433 if (RT_SUCCESS(rc))
1434 dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1435 else
1436 cbCheckSymbol = UINT32_MAX;
1437 }
1438 else
1439 cbCheckSymbol -= cbInstr;
1440 }
1441
1442 NOREF(pCmd);
1443 return VINF_SUCCESS;
1444}
1445
1446
1447/**
1448 * @callback_method_impl{FNDGCSCREENBLIT}
1449 */
1450static DECLCALLBACK(int) dbgcCmdUnassembleCfgBlit(const char *psz, void *pvUser)
1451{
1452 PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
1453 return DBGCCmdHlpPrintf(pCmdHlp, "%s", psz);
1454}
1455
1456
1457/**
1458 * Checks whether both addresses are equal.
1459 *
1460 * @returns true if both addresses point to the same location, false otherwise.
1461 * @param pAddr1 First address.
1462 * @param pAddr2 Second address.
1463 */
1464static bool dbgcCmdUnassembleCfgAddrEqual(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1465{
1466 return pAddr1->Sel == pAddr2->Sel
1467 && pAddr1->off == pAddr2->off;
1468}
1469
1470
1471/**
1472 * Checks whether the first given address is lower than the second one.
1473 *
1474 * @returns true if both addresses point to the same location, false otherwise.
1475 * @param pAddr1 First address.
1476 * @param pAddr2 Second address.
1477 */
1478static bool dbgcCmdUnassembleCfgAddrLower(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1479{
1480 return pAddr1->Sel == pAddr2->Sel
1481 && pAddr1->off < pAddr2->off;
1482}
1483
1484
1485/**
1486 * Calculates the size required for the given basic block including the
1487 * border and spacing on the edges.
1488 *
1489 * @returns nothing.
1490 * @param hFlowBb The basic block handle.
1491 * @param pDumpBb The dumper state to fill in for the basic block.
1492 */
1493static void dbgcCmdUnassembleCfgDumpCalcBbSize(DBGFFLOWBB hFlowBb, PDBGCFLOWBBDUMP pDumpBb)
1494{
1495 uint32_t fFlags = DBGFR3FlowBbGetFlags(hFlowBb);
1496 uint32_t cInstr = DBGFR3FlowBbGetInstrCount(hFlowBb);
1497
1498 pDumpBb->hFlowBb = hFlowBb;
1499 pDumpBb->cchHeight = cInstr + 4; /* Include spacing and border top and bottom. */
1500 pDumpBb->cchWidth = 0;
1501 DBGFR3FlowBbGetStartAddress(hFlowBb, &pDumpBb->AddrStart);
1502
1503 DBGFFLOWBBENDTYPE enmType = DBGFR3FlowBbGetType(hFlowBb);
1504 if ( enmType == DBGFFLOWBBENDTYPE_COND
1505 || enmType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1506 || enmType == DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP)
1507 DBGFR3FlowBbGetBranchAddress(hFlowBb, &pDumpBb->AddrTarget);
1508
1509 if (fFlags & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1510 {
1511 const char *pszErr = NULL;
1512 DBGFR3FlowBbQueryError(hFlowBb, &pszErr);
1513 if (pszErr)
1514 {
1515 pDumpBb->cchHeight++;
1516 pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszErr));
1517 }
1518 }
1519 for (unsigned i = 0; i < cInstr; i++)
1520 {
1521 const char *pszInstr = NULL;
1522 int rc = DBGFR3FlowBbQueryInstr(hFlowBb, i, NULL, NULL, &pszInstr);
1523 AssertRC(rc);
1524 pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszInstr));
1525 }
1526 pDumpBb->cchWidth += 4; /* Include spacing and border left and right. */
1527}
1528
1529
1530/**
1531 * Dumps a top or bottom boundary line.
1532 *
1533 * @returns nothing.
1534 * @param hScreen The screen to draw to.
1535 * @param uStartX Where to start drawing the boundary.
1536 * @param uStartY Y coordinate.
1537 * @param cchWidth Width of the boundary.
1538 * @param enmColor The color to use for drawing.
1539 */
1540static void dbgcCmdUnassembleCfgDumpBbBoundary(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1541 DBGCSCREENCOLOR enmColor)
1542{
1543 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '+', enmColor);
1544 dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1545 uStartY, '-', enmColor);
1546 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '+', enmColor);
1547}
1548
1549
1550/**
1551 * Dumps a spacing line between the top or bottom boundary and the actual disassembly.
1552 *
1553 * @returns nothing.
1554 * @param hScreen The screen to draw to.
1555 * @param uStartX Where to start drawing the spacing.
1556 * @param uStartY Y coordinate.
1557 * @param cchWidth Width of the spacing.
1558 * @param enmColor The color to use for drawing.
1559 */
1560static void dbgcCmdUnassembleCfgDumpBbSpacing(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1561 DBGCSCREENCOLOR enmColor)
1562{
1563 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmColor);
1564 dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1565 uStartY, ' ', enmColor);
1566 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmColor);
1567}
1568
1569
1570/**
1571 * Writes a given text to the screen.
1572 *
1573 * @returns nothing.
1574 * @param hScreen The screen to draw to.
1575 * @param uStartX Where to start drawing the line.
1576 * @param uStartY Y coordinate.
1577 * @param cchWidth Maximum width of the text.
1578 * @param pszText The text to write.
1579 * @param enmTextColor The color to use for drawing the text.
1580 * @param enmBorderColor The color to use for drawing the border.
1581 */
1582static void dbgcCmdUnassembleCfgDumpBbText(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY,
1583 uint32_t cchWidth, const char *pszText,
1584 DBGCSCREENCOLOR enmTextColor, DBGCSCREENCOLOR enmBorderColor)
1585{
1586 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmBorderColor);
1587 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + 1, uStartY, ' ', enmTextColor);
1588 dbgcScreenAsciiDrawString(hScreen, uStartX + 2, uStartY, pszText, enmTextColor);
1589 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmBorderColor);
1590}
1591
1592
1593/**
1594 * Dumps one basic block using the dumper callback.
1595 *
1596 * @returns nothing.
1597 * @param pDumpBb The basic block dump state to dump.
1598 * @param hScreen The screen to draw to.
1599 */
1600static void dbgcCmdUnassembleCfgDumpBb(PDBGCFLOWBBDUMP pDumpBb, DBGCSCREEN hScreen)
1601{
1602 uint32_t uStartY = pDumpBb->uStartY;
1603 bool fError = RT_BOOL(DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR);
1604 DBGCSCREENCOLOR enmColor = fError ? DBGCSCREENCOLOR_RED_BRIGHT : DBGCSCREENCOLOR_DEFAULT;
1605
1606 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1607 uStartY++;
1608 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1609 uStartY++;
1610
1611 uint32_t cInstr = DBGFR3FlowBbGetInstrCount(pDumpBb->hFlowBb);
1612 for (unsigned i = 0; i < cInstr; i++)
1613 {
1614 const char *pszInstr = NULL;
1615 DBGFR3FlowBbQueryInstr(pDumpBb->hFlowBb, i, NULL, NULL, &pszInstr);
1616 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY + i,
1617 pDumpBb->cchWidth, pszInstr, DBGCSCREENCOLOR_DEFAULT,
1618 enmColor);
1619 }
1620 uStartY += cInstr;
1621
1622 if (fError)
1623 {
1624 const char *pszErr = NULL;
1625 DBGFR3FlowBbQueryError(pDumpBb->hFlowBb, &pszErr);
1626 if (pszErr)
1627 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY,
1628 pDumpBb->cchWidth, pszErr, enmColor,
1629 enmColor);
1630 uStartY++;
1631 }
1632
1633 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1634 uStartY++;
1635 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1636 uStartY++;
1637}
1638
1639
1640/**
1641 * Dumps one branch table using the dumper callback.
1642 *
1643 * @returns nothing.
1644 * @param pDumpBranchTbl The basic block dump state to dump.
1645 * @param hScreen The screen to draw to.
1646 */
1647static void dbgcCmdUnassembleCfgDumpBranchTbl(PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl, DBGCSCREEN hScreen)
1648{
1649 uint32_t uStartY = pDumpBranchTbl->uStartY;
1650 DBGCSCREENCOLOR enmColor = DBGCSCREENCOLOR_CYAN_BRIGHT;
1651
1652 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1653 uStartY++;
1654 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1655 uStartY++;
1656
1657 uint32_t cSlots = DBGFR3FlowBranchTblGetSlots(pDumpBranchTbl->hFlowBranchTbl);
1658 for (unsigned i = 0; i < cSlots; i++)
1659 {
1660 DBGFADDRESS Addr;
1661 char szAddr[128];
1662
1663 RT_ZERO(szAddr);
1664 DBGFR3FlowBranchTblGetAddrAtSlot(pDumpBranchTbl->hFlowBranchTbl, i, &Addr);
1665
1666 if (Addr.Sel == DBGF_SEL_FLAT)
1667 RTStrPrintf(&szAddr[0], sizeof(szAddr), "%RGv", Addr.FlatPtr);
1668 else
1669 RTStrPrintf(&szAddr[0], sizeof(szAddr), "%04x:%RGv", Addr.Sel, Addr.off);
1670
1671 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBranchTbl->uStartX, uStartY + i,
1672 pDumpBranchTbl->cchWidth, &szAddr[0], DBGCSCREENCOLOR_DEFAULT,
1673 enmColor);
1674 }
1675 uStartY += cSlots;
1676
1677 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1678 uStartY++;
1679 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1680 uStartY++;
1681}
1682
1683
1684/**
1685 * Fills in the dump states for the basic blocks and branch tables.
1686 *
1687 * @returns VBox status code.
1688 * @param hFlowIt The control flow graph iterator handle.
1689 * @param hFlowBranchTblIt The control flow graph branch table iterator handle.
1690 * @param paDumpBb The array of basic block dump states.
1691 * @param paDumpBranchTbl The array of branch table dump states.
1692 * @param cBbs Number of basic blocks.
1693 * @param cBranchTbls Number of branch tables.
1694 */
1695static int dbgcCmdUnassembleCfgDumpCalcDimensions(DBGFFLOWIT hFlowIt, DBGFFLOWBRANCHTBLIT hFlowBranchTblIt,
1696 PDBGCFLOWBBDUMP paDumpBb, PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl,
1697 uint32_t cBbs, uint32_t cBranchTbls)
1698{
1699 RT_NOREF2(cBbs, cBranchTbls);
1700
1701 /* Calculate the sizes of each basic block first. */
1702 DBGFFLOWBB hFlowBb = DBGFR3FlowItNext(hFlowIt);
1703 uint32_t idx = 0;
1704 while (hFlowBb)
1705 {
1706 dbgcCmdUnassembleCfgDumpCalcBbSize(hFlowBb, &paDumpBb[idx]);
1707 idx++;
1708 hFlowBb = DBGFR3FlowItNext(hFlowIt);
1709 }
1710
1711 if (paDumpBranchTbl)
1712 {
1713 idx = 0;
1714 DBGFFLOWBRANCHTBL hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1715 while (hFlowBranchTbl)
1716 {
1717 paDumpBranchTbl[idx].hFlowBranchTbl = hFlowBranchTbl;
1718 paDumpBranchTbl[idx].cchHeight = DBGFR3FlowBranchTblGetSlots(hFlowBranchTbl) + 4; /* Spacing and border. */
1719 paDumpBranchTbl[idx].cchWidth = 25 + 4; /* Spacing and border. */
1720 idx++;
1721 hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1722 }
1723 }
1724
1725 return VINF_SUCCESS;
1726}
1727
1728/**
1729 * Dumps the given control flow graph to the output.
1730 *
1731 * @returns VBox status code.
1732 * @param hCfg The control flow graph handle.
1733 * @param fUseColor Flag whether the output should be colorized.
1734 * @param pCmdHlp The command helper callback table.
1735 */
1736static int dbgcCmdUnassembleCfgDump(DBGFFLOW hCfg, bool fUseColor, PDBGCCMDHLP pCmdHlp)
1737{
1738 int rc = VINF_SUCCESS;
1739 DBGFFLOWIT hCfgIt = NULL;
1740 DBGFFLOWBRANCHTBLIT hFlowBranchTblIt = NULL;
1741 uint32_t cBbs = DBGFR3FlowGetBbCount(hCfg);
1742 uint32_t cBranchTbls = DBGFR3FlowGetBranchTblCount(hCfg);
1743 PDBGCFLOWBBDUMP paDumpBb = (PDBGCFLOWBBDUMP)RTMemTmpAllocZ(cBbs * sizeof(DBGCFLOWBBDUMP));
1744 PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl = NULL;
1745
1746 if (cBranchTbls)
1747 paDumpBranchTbl = (PDBGCFLOWBRANCHTBLDUMP)RTMemAllocZ(cBranchTbls * sizeof(DBGCFLOWBRANCHTBLDUMP));
1748
1749 if (RT_UNLIKELY(!paDumpBb || (!paDumpBranchTbl && cBranchTbls > 0)))
1750 rc = VERR_NO_MEMORY;
1751 if (RT_SUCCESS(rc))
1752 rc = DBGFR3FlowItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hCfgIt);
1753 if (RT_SUCCESS(rc) && cBranchTbls > 0)
1754 rc = DBGFR3FlowBranchTblItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hFlowBranchTblIt);
1755
1756 if (RT_SUCCESS(rc))
1757 {
1758 rc = dbgcCmdUnassembleCfgDumpCalcDimensions(hCfgIt, hFlowBranchTblIt, paDumpBb, paDumpBranchTbl,
1759 cBbs, cBranchTbls);
1760
1761 /* Calculate the ASCII screen dimensions and create one. */
1762 uint32_t cchWidth = 0;
1763 uint32_t cchLeftExtra = 5;
1764 uint32_t cchRightExtra = 5;
1765 uint32_t cchHeight = 0;
1766 for (unsigned i = 0; i < cBbs; i++)
1767 {
1768 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1769 cchWidth = RT_MAX(cchWidth, pDumpBb->cchWidth);
1770 cchHeight += pDumpBb->cchHeight;
1771
1772 /* Incomplete blocks don't have a successor. */
1773 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1774 continue;
1775
1776 switch (DBGFR3FlowBbGetType(pDumpBb->hFlowBb))
1777 {
1778 case DBGFFLOWBBENDTYPE_EXIT:
1779 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1780 break;
1781 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1782 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1783 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1784 cchLeftExtra++;
1785 else
1786 cchRightExtra++;
1787 break;
1788 case DBGFFLOWBBENDTYPE_UNCOND:
1789 cchHeight += 2; /* For the arrow down to the next basic block. */
1790 break;
1791 case DBGFFLOWBBENDTYPE_COND:
1792 cchHeight += 2; /* For the arrow down to the next basic block. */
1793 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1794 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1795 cchLeftExtra++;
1796 else
1797 cchRightExtra++;
1798 break;
1799 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1800 default:
1801 AssertFailed();
1802 }
1803 }
1804
1805 for (unsigned i = 0; i < cBranchTbls; i++)
1806 {
1807 PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl = &paDumpBranchTbl[i];
1808 cchWidth = RT_MAX(cchWidth, pDumpBranchTbl->cchWidth);
1809 cchHeight += pDumpBranchTbl->cchHeight;
1810 }
1811
1812 cchWidth += 2;
1813
1814 DBGCSCREEN hScreen = NULL;
1815 rc = dbgcScreenAsciiCreate(&hScreen, cchWidth + cchLeftExtra + cchRightExtra, cchHeight);
1816 if (RT_SUCCESS(rc))
1817 {
1818 uint32_t uY = 0;
1819
1820 /* Dump the branch tables first. */
1821 for (unsigned i = 0; i < cBranchTbls; i++)
1822 {
1823 paDumpBranchTbl[i].uStartX = cchLeftExtra + (cchWidth - paDumpBranchTbl[i].cchWidth) / 2;
1824 paDumpBranchTbl[i].uStartY = uY;
1825 dbgcCmdUnassembleCfgDumpBranchTbl(&paDumpBranchTbl[i], hScreen);
1826 uY += paDumpBranchTbl[i].cchHeight;
1827 }
1828
1829 /* Dump the basic blocks and connections to the immediate successor. */
1830 for (unsigned i = 0; i < cBbs; i++)
1831 {
1832 paDumpBb[i].uStartX = cchLeftExtra + (cchWidth - paDumpBb[i].cchWidth) / 2;
1833 paDumpBb[i].uStartY = uY;
1834 dbgcCmdUnassembleCfgDumpBb(&paDumpBb[i], hScreen);
1835 uY += paDumpBb[i].cchHeight;
1836
1837 /* Incomplete blocks don't have a successor. */
1838 if (DBGFR3FlowBbGetFlags(paDumpBb[i].hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1839 continue;
1840
1841 switch (DBGFR3FlowBbGetType(paDumpBb[i].hFlowBb))
1842 {
1843 case DBGFFLOWBBENDTYPE_EXIT:
1844 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1845 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1846 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1847 break;
1848 case DBGFFLOWBBENDTYPE_UNCOND:
1849 /* Draw the arrow down to the next block. */
1850 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1851 '|', DBGCSCREENCOLOR_BLUE_BRIGHT);
1852 uY++;
1853 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1854 'V', DBGCSCREENCOLOR_BLUE_BRIGHT);
1855 uY++;
1856 break;
1857 case DBGFFLOWBBENDTYPE_COND:
1858 /* Draw the arrow down to the next block. */
1859 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1860 '|', DBGCSCREENCOLOR_RED_BRIGHT);
1861 uY++;
1862 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1863 'V', DBGCSCREENCOLOR_RED_BRIGHT);
1864 uY++;
1865 break;
1866 default:
1867 AssertFailed();
1868 }
1869 }
1870
1871 /* Last pass, connect all remaining branches. */
1872 uint32_t uBackConns = 0;
1873 uint32_t uFwdConns = 0;
1874 for (unsigned i = 0; i < cBbs; i++)
1875 {
1876 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1877 DBGFFLOWBBENDTYPE enmEndType = DBGFR3FlowBbGetType(pDumpBb->hFlowBb);
1878
1879 /* Incomplete blocks don't have a successor. */
1880 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1881 continue;
1882
1883 switch (enmEndType)
1884 {
1885 case DBGFFLOWBBENDTYPE_EXIT:
1886 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1887 case DBGFFLOWBBENDTYPE_UNCOND:
1888 break;
1889 case DBGFFLOWBBENDTYPE_COND:
1890 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1891 {
1892 /* Find the target first to get the coordinates. */
1893 PDBGCFLOWBBDUMP pDumpBbTgt = NULL;
1894 for (unsigned idxDumpBb = 0; idxDumpBb < cBbs; idxDumpBb++)
1895 {
1896 pDumpBbTgt = &paDumpBb[idxDumpBb];
1897 if (dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBbTgt->AddrStart))
1898 break;
1899 }
1900
1901 DBGCSCREENCOLOR enmColor = enmEndType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1902 ? DBGCSCREENCOLOR_YELLOW_BRIGHT
1903 : DBGCSCREENCOLOR_GREEN_BRIGHT;
1904
1905 /*
1906 * Use the right side for targets with higher addresses,
1907 * left when jumping backwards.
1908 */
1909 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1910 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1911 {
1912 /* Going backwards. */
1913 uint32_t uXVerLine = /*cchLeftExtra - 1 -*/ uBackConns + 1;
1914 uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
1915 uBackConns++;
1916
1917 /* Draw the arrow pointing to the target block. */
1918 dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX - 1, pDumpBbTgt->uStartY,
1919 '>', enmColor);
1920 /* Draw the horizontal line. */
1921 dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBbTgt->uStartX - 2,
1922 pDumpBbTgt->uStartY, '-', enmColor);
1923 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
1924 enmColor);
1925 /* Draw the vertical line down to the source block. */
1926 dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, pDumpBbTgt->uStartY + 1, uYHorLine - 1,
1927 '|', enmColor);
1928 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
1929 /* Draw the horizontal connection between the source block and vertical part. */
1930 dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBb->uStartX - 1,
1931 uYHorLine, '-', enmColor);
1932
1933 }
1934 else
1935 {
1936 /* Going forward. */
1937 uint32_t uXVerLine = cchWidth + cchLeftExtra + (cchRightExtra - uFwdConns) - 1;
1938 uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
1939 uFwdConns++;
1940
1941 /* Draw the horizontal line. */
1942 dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBb->uStartX + pDumpBb->cchWidth,
1943 uXVerLine - 1, uYHorLine, '-', enmColor);
1944 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
1945 /* Draw the vertical line down to the target block. */
1946 dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, uYHorLine + 1, pDumpBbTgt->uStartY - 1,
1947 '|', enmColor);
1948 /* Draw the horizontal connection between the target block and vertical part. */
1949 dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
1950 uXVerLine, pDumpBbTgt->uStartY, '-', enmColor);
1951 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
1952 enmColor);
1953 /* Draw the arrow pointing to the target block. */
1954 dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
1955 pDumpBbTgt->uStartY, '<', enmColor);
1956 }
1957 break;
1958 }
1959 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1960 default:
1961 AssertFailed();
1962 }
1963 }
1964
1965 rc = dbgcScreenAsciiBlit(hScreen, dbgcCmdUnassembleCfgBlit, pCmdHlp, fUseColor);
1966 dbgcScreenAsciiDestroy(hScreen);
1967 }
1968 }
1969
1970 if (paDumpBb)
1971 {
1972 for (unsigned i = 0; i < cBbs; i++)
1973 DBGFR3FlowBbRelease(paDumpBb[i].hFlowBb);
1974 RTMemTmpFree(paDumpBb);
1975 }
1976
1977 if (paDumpBranchTbl)
1978 {
1979 for (unsigned i = 0; i < cBranchTbls; i++)
1980 DBGFR3FlowBranchTblRelease(paDumpBranchTbl[i].hFlowBranchTbl);
1981 RTMemTmpFree(paDumpBranchTbl);
1982 }
1983
1984 if (hCfgIt)
1985 DBGFR3FlowItDestroy(hCfgIt);
1986 if (hFlowBranchTblIt)
1987 DBGFR3FlowBranchTblItDestroy(hFlowBranchTblIt);
1988
1989 return rc;
1990}
1991
1992
1993/**
1994 * @callback_method_impl{FNDBGCCMD, The 'ucfg' command.}
1995 */
1996static DECLCALLBACK(int) dbgcCmdUnassembleCfg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1997{
1998 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1999
2000 /*
2001 * Validate input.
2002 */
2003 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2004 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
2005 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
2006
2007 if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2008 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
2009
2010 /*
2011 * Check the desired mode.
2012 */
2013 unsigned fFlags = DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
2014 bool fUseColor = false;
2015 switch (pCmd->pszCmd[4])
2016 {
2017 default: AssertFailed(); RT_FALL_THRU();
2018 case '\0': fFlags |= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
2019 case '6': fFlags |= DBGF_DISAS_FLAGS_64BIT_MODE; break;
2020 case '3': fFlags |= DBGF_DISAS_FLAGS_32BIT_MODE; break;
2021 case '1': fFlags |= DBGF_DISAS_FLAGS_16BIT_MODE; break;
2022 case 'v': fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
2023 case 'c': fUseColor = true; break;
2024 }
2025
2026 /** @todo should use DBGFADDRESS for everything */
2027
2028 /*
2029 * Find address.
2030 */
2031 if (!cArgs)
2032 {
2033 if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2034 {
2035 /** @todo Batch query CS, RIP, CPU mode and flags. */
2036 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2037 if ( pDbgc->fRegCtxGuest
2038 && CPUMIsGuestIn64BitCode(pVCpu))
2039 {
2040 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
2041 pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
2042 }
2043 else
2044 {
2045 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
2046 pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
2047 pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
2048 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
2049 && pDbgc->fRegCtxGuest
2050 && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
2051 {
2052 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2053 fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
2054 }
2055 }
2056
2057 if (pDbgc->fRegCtxGuest)
2058 fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST;
2059 else
2060 fFlags |= DBGF_DISAS_FLAGS_CURRENT_HYPER | DBGF_DISAS_FLAGS_HYPER;
2061 }
2062 else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
2063 {
2064 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2065 fFlags |= pDbgc->fDisasm & (DBGF_DISAS_FLAGS_MODE_MASK | DBGF_DISAS_FLAGS_HYPER);
2066 }
2067 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
2068 }
2069 else
2070 pDbgc->DisasmPos = paArgs[0];
2071 pDbgc->pLastPos = &pDbgc->DisasmPos;
2072
2073 /*
2074 * Range.
2075 */
2076 switch (pDbgc->DisasmPos.enmRangeType)
2077 {
2078 case DBGCVAR_RANGE_NONE:
2079 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2080 pDbgc->DisasmPos.u64Range = 10;
2081 break;
2082
2083 case DBGCVAR_RANGE_ELEMENTS:
2084 if (pDbgc->DisasmPos.u64Range > 2048)
2085 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
2086 break;
2087
2088 case DBGCVAR_RANGE_BYTES:
2089 if (pDbgc->DisasmPos.u64Range > 65536)
2090 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
2091 break;
2092
2093 default:
2094 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
2095 }
2096
2097 /*
2098 * Convert physical and host addresses to guest addresses.
2099 */
2100 RTDBGAS hDbgAs = pDbgc->hDbgAs;
2101 int rc;
2102 switch (pDbgc->DisasmPos.enmType)
2103 {
2104 case DBGCVAR_TYPE_GC_FLAT:
2105 case DBGCVAR_TYPE_GC_FAR:
2106 break;
2107 case DBGCVAR_TYPE_GC_PHYS:
2108 hDbgAs = DBGF_AS_PHYS;
2109 RT_FALL_THRU();
2110 case DBGCVAR_TYPE_HC_FLAT:
2111 case DBGCVAR_TYPE_HC_PHYS:
2112 {
2113 DBGCVAR VarTmp;
2114 rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
2115 if (RT_FAILURE(rc))
2116 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
2117 pDbgc->DisasmPos = VarTmp;
2118 break;
2119 }
2120 default: AssertFailed(); break;
2121 }
2122
2123 DBGFADDRESS CurAddr;
2124 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
2125 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
2126 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
2127 else
2128 {
2129 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
2130 if (RT_FAILURE(rc))
2131 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
2132 }
2133
2134 DBGFFLOW hCfg;
2135 rc = DBGFR3FlowCreate(pUVM, pDbgc->idCpu, &CurAddr, 0 /*cbDisasmMax*/,
2136 DBGF_FLOW_CREATE_F_TRY_RESOLVE_INDIRECT_BRANCHES, fFlags, &hCfg);
2137 if (RT_SUCCESS(rc))
2138 {
2139 /* Dump the graph. */
2140 rc = dbgcCmdUnassembleCfgDump(hCfg, fUseColor, pCmdHlp);
2141 DBGFR3FlowRelease(hCfg);
2142 }
2143 else
2144 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowCreate failed on '%Dv'", &pDbgc->DisasmPos);
2145
2146 NOREF(pCmd);
2147 return rc;
2148}
2149
2150
2151/**
2152 * @callback_method_impl{FNDBGCCMD, The 'ls' command.}
2153 */
2154static DECLCALLBACK(int) dbgcCmdListSource(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2155{
2156 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2157
2158 /*
2159 * Validate input.
2160 */
2161 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
2162 if (cArgs == 1)
2163 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
2164 if (!pUVM && !cArgs && !DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2165 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start listing...");
2166 if (!pUVM && cArgs && DBGCVAR_ISGCPOINTER(paArgs[0].enmType))
2167 return DBGCCmdHlpFail(pCmdHlp, pCmd, "GC address but no VM");
2168
2169 /*
2170 * Find address.
2171 */
2172 if (!cArgs)
2173 {
2174 if (!DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2175 {
2176 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2177 pDbgc->SourcePos.enmType = DBGCVAR_TYPE_GC_FAR;
2178 pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
2179 pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
2180 }
2181 pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_NONE;
2182 }
2183 else
2184 pDbgc->SourcePos = paArgs[0];
2185 pDbgc->pLastPos = &pDbgc->SourcePos;
2186
2187 /*
2188 * Ensure the source address is flat GC.
2189 */
2190 switch (pDbgc->SourcePos.enmType)
2191 {
2192 case DBGCVAR_TYPE_GC_FLAT:
2193 break;
2194 case DBGCVAR_TYPE_GC_PHYS:
2195 case DBGCVAR_TYPE_GC_FAR:
2196 case DBGCVAR_TYPE_HC_FLAT:
2197 case DBGCVAR_TYPE_HC_PHYS:
2198 {
2199 int rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "%%(%Dv)", &pDbgc->SourcePos);
2200 if (RT_FAILURE(rc))
2201 return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid address or address type. (rc=%d)\n", rc);
2202 break;
2203 }
2204 default: AssertFailed(); break;
2205 }
2206
2207 /*
2208 * Range.
2209 */
2210 switch (pDbgc->SourcePos.enmRangeType)
2211 {
2212 case DBGCVAR_RANGE_NONE:
2213 pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2214 pDbgc->SourcePos.u64Range = 10;
2215 break;
2216
2217 case DBGCVAR_RANGE_ELEMENTS:
2218 if (pDbgc->SourcePos.u64Range > 2048)
2219 return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many lines requested. Max is 2048 lines.\n");
2220 break;
2221
2222 case DBGCVAR_RANGE_BYTES:
2223 if (pDbgc->SourcePos.u64Range > 65536)
2224 return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
2225 break;
2226
2227 default:
2228 return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->SourcePos.enmRangeType);
2229 }
2230
2231 /*
2232 * Do the disassembling.
2233 */
2234 bool fFirst = 1;
2235 RTDBGLINE LinePrev = { 0, 0, 0, 0, 0, "" };
2236 int iRangeLeft = (int)pDbgc->SourcePos.u64Range;
2237 if (iRangeLeft == 0) /* kludge for 'r'. */
2238 iRangeLeft = -1;
2239 for (;;)
2240 {
2241 /*
2242 * Get line info.
2243 */
2244 RTDBGLINE Line;
2245 RTGCINTPTR off;
2246 DBGFADDRESS SourcePosAddr;
2247 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->SourcePos, &SourcePosAddr);
2248 if (RT_FAILURE(rc))
2249 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%Dv)", &pDbgc->SourcePos);
2250 rc = DBGFR3AsLineByAddr(pUVM, pDbgc->hDbgAs, &SourcePosAddr, &off, &Line, NULL);
2251 if (RT_FAILURE(rc))
2252 return VINF_SUCCESS;
2253
2254 unsigned cLines = 0;
2255 if (memcmp(&Line, &LinePrev, sizeof(Line)))
2256 {
2257 /*
2258 * Print filenamename
2259 */
2260 if (!fFirst && strcmp(Line.szFilename, LinePrev.szFilename))
2261 fFirst = true;
2262 if (fFirst)
2263 {
2264 rc = DBGCCmdHlpPrintf(pCmdHlp, "[%s @ %d]\n", Line.szFilename, Line.uLineNo);
2265 if (RT_FAILURE(rc))
2266 return rc;
2267 }
2268
2269 /*
2270 * Try open the file and read the line.
2271 */
2272 FILE *phFile = fopen(Line.szFilename, "r");
2273 if (phFile)
2274 {
2275 /* Skip ahead to the desired line. */
2276 char szLine[4096];
2277 unsigned cBefore = fFirst ? RT_MIN(2, Line.uLineNo - 1) : Line.uLineNo - LinePrev.uLineNo - 1;
2278 if (cBefore > 7)
2279 cBefore = 0;
2280 unsigned cLeft = Line.uLineNo - cBefore;
2281 while (cLeft > 0)
2282 {
2283 szLine[0] = '\0';
2284 if (!fgets(szLine, sizeof(szLine), phFile))
2285 break;
2286 cLeft--;
2287 }
2288 if (!cLeft)
2289 {
2290 /* print the before lines */
2291 for (;;)
2292 {
2293 size_t cch = strlen(szLine);
2294 while (cch > 0 && (szLine[cch - 1] == '\r' || szLine[cch - 1] == '\n' || RT_C_IS_SPACE(szLine[cch - 1])) )
2295 szLine[--cch] = '\0';
2296 if (cBefore-- <= 0)
2297 break;
2298
2299 rc = DBGCCmdHlpPrintf(pCmdHlp, " %4d: %s\n", Line.uLineNo - cBefore - 1, szLine);
2300 szLine[0] = '\0';
2301 const char *pszShutUpGcc = fgets(szLine, sizeof(szLine), phFile); NOREF(pszShutUpGcc);
2302 cLines++;
2303 }
2304 /* print the actual line */
2305 rc = DBGCCmdHlpPrintf(pCmdHlp, "%08llx %4d: %s\n", Line.Address, Line.uLineNo, szLine);
2306 }
2307 fclose(phFile);
2308 if (RT_FAILURE(rc))
2309 return rc;
2310 fFirst = false;
2311 }
2312 else
2313 return DBGCCmdHlpPrintf(pCmdHlp, "Warning: couldn't open source file '%s'\n", Line.szFilename);
2314
2315 LinePrev = Line;
2316 }
2317
2318
2319 /*
2320 * Advance
2321 */
2322 if (iRangeLeft < 0) /* 'r' */
2323 break;
2324 if (pDbgc->SourcePos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
2325 iRangeLeft -= cLines;
2326 else
2327 iRangeLeft -= 1;
2328 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "(%Dv) + %x", &pDbgc->SourcePos, 1);
2329 if (RT_FAILURE(rc))
2330 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->SourcePos, 1);
2331 if (iRangeLeft <= 0)
2332 break;
2333 }
2334
2335 NOREF(pCmd);
2336 return 0;
2337}
2338
2339
2340/**
2341 * @callback_method_impl{FNDBGCCMD, The 'r' command.}
2342 */
2343static DECLCALLBACK(int) dbgcCmdReg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2344{
2345 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2346 if (!pDbgc->fRegCtxGuest)
2347 return dbgcCmdRegHyper(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
2348 return dbgcCmdRegGuest(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
2349}
2350
2351
2352/**
2353 * @callback_method_impl{FNDBGCCMD, Common worker for the dbgcCmdReg*()
2354 * commands.}
2355 */
2356static DECLCALLBACK(int) dbgcCmdRegCommon(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs,
2357 const char *pszPrefix)
2358{
2359 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2360 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 || cArgs == 2 || cArgs == 3);
2361 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING
2362 || paArgs[0].enmType == DBGCVAR_TYPE_SYMBOL);
2363
2364 /*
2365 * Parse the register name and kind.
2366 */
2367 const char *pszReg = paArgs[0].u.pszString;
2368 if (*pszReg == '@')
2369 pszReg++;
2370 VMCPUID idCpu = pDbgc->idCpu;
2371 if (*pszPrefix)
2372 idCpu |= DBGFREG_HYPER_VMCPUID;
2373 if (*pszReg == '.')
2374 {
2375 pszReg++;
2376 idCpu |= DBGFREG_HYPER_VMCPUID;
2377 }
2378 const char * const pszActualPrefix = idCpu & DBGFREG_HYPER_VMCPUID ? "." : "";
2379
2380 /*
2381 * Query the register type & value (the setter needs the type).
2382 */
2383 DBGFREGVALTYPE enmType;
2384 DBGFREGVAL Value;
2385 int rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType);
2386 if (RT_FAILURE(rc))
2387 {
2388 if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
2389 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
2390 pszActualPrefix, pszReg);
2391 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n",
2392 pszActualPrefix, pszReg, rc);
2393 }
2394 if (cArgs == 1)
2395 {
2396 /*
2397 * Show the register.
2398 */
2399 char szValue[160];
2400 rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &Value, enmType, true /*fSpecial*/);
2401 if (RT_SUCCESS(rc))
2402 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, pszReg, szValue);
2403 else
2404 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2405 }
2406 else
2407 {
2408 DBGCVAR NewValueTmp;
2409 PCDBGCVAR pNewValue;
2410 if (cArgs == 3)
2411 {
2412 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, paArgs[1].enmType == DBGCVAR_TYPE_STRING);
2413 if (strcmp(paArgs[1].u.pszString, "="))
2414 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Second argument must be '='.");
2415 pNewValue = &paArgs[2];
2416 }
2417 else
2418 {
2419 /* Not possible to convince the parser to support both codeview and
2420 windbg syntax and make the equal sign optional. Try help it. */
2421 /** @todo make DBGCCmdHlpConvert do more with strings. */
2422 rc = DBGCCmdHlpConvert(pCmdHlp, &paArgs[1], DBGCVAR_TYPE_NUMBER, true /*fConvSyms*/, &NewValueTmp);
2423 if (RT_FAILURE(rc))
2424 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "The last argument must be a value or valid symbol.");
2425 pNewValue = &NewValueTmp;
2426 }
2427
2428 /*
2429 * Modify the register.
2430 */
2431 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, pNewValue->enmType == DBGCVAR_TYPE_NUMBER);
2432 if (enmType != DBGFREGVALTYPE_DTR)
2433 {
2434 enmType = DBGFREGVALTYPE_U64;
2435 rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.u64);
2436 }
2437 else
2438 {
2439 enmType = DBGFREGVALTYPE_DTR;
2440 rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.dtr.u64Base);
2441 if (RT_SUCCESS(rc) && pNewValue->enmRangeType != DBGCVAR_RANGE_NONE)
2442 Value.dtr.u32Limit = (uint32_t)pNewValue->u64Range;
2443 }
2444 if (RT_SUCCESS(rc))
2445 {
2446 rc = DBGFR3RegNmSet(pUVM, idCpu, pszReg, &Value, enmType);
2447 if (RT_FAILURE(rc))
2448 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmSet failed settings '%s%s': %Rrc\n",
2449 pszActualPrefix, pszReg, rc);
2450 if (rc != VINF_SUCCESS)
2451 DBGCCmdHlpPrintf(pCmdHlp, "%s: warning: %Rrc\n", pCmd->pszCmd, rc);
2452 }
2453 else
2454 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2455 }
2456 return rc;
2457}
2458
2459
2460/**
2461 * @callback_method_impl{FNDBGCCMD,
2462 * The 'rg'\, 'rg64' and 'rg32' commands\, worker for 'r'.}
2463 */
2464static DECLCALLBACK(int) dbgcCmdRegGuest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2465{
2466 /*
2467 * Show all registers our selves.
2468 */
2469 if (cArgs == 0)
2470 {
2471 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2472 bool const f64BitMode = !strcmp(pCmd->pszCmd, "rg64")
2473 || ( strcmp(pCmd->pszCmd, "rg32") != 0
2474 && DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu));
2475 char szDisAndRegs[8192];
2476 int rc;
2477
2478 if (pDbgc->fRegTerse)
2479 {
2480 if (f64BitMode)
2481 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs),
2482 "u %016VR{rip} L 0\n"
2483 "rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n"
2484 "rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n"
2485 "r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n"
2486 "r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n"
2487 "rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n"
2488 "cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} rflags=%08VR{rflags}\n");
2489 else
2490 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, szDisAndRegs, sizeof(szDisAndRegs),
2491 "u %04VR{cs}:%08VR{eip} L 0\n"
2492 "eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n"
2493 "eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n"
2494 "cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} eflags=%08VR{eflags}\n");
2495 }
2496 else
2497 {
2498 if (f64BitMode)
2499 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs),
2500 "u %016VR{rip} L 0\n"
2501 "rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n"
2502 "rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n"
2503 "r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n"
2504 "r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n"
2505 "rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n"
2506 "cs={%04VR{cs} base=%016VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} cr0=%016VR{cr0}\n"
2507 "ds={%04VR{ds} base=%016VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} cr2=%016VR{cr2}\n"
2508 "es={%04VR{es} base=%016VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} cr3=%016VR{cr3}\n"
2509 "fs={%04VR{fs} base=%016VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr4=%016VR{cr4}\n"
2510 "gs={%04VR{gs} base=%016VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr8=%016VR{cr8}\n"
2511 "ss={%04VR{ss} base=%016VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n"
2512 "dr0=%016VR{dr0} dr1=%016VR{dr1} dr2=%016VR{dr2} dr3=%016VR{dr3}\n"
2513 "dr6=%016VR{dr6} dr7=%016VR{dr7}\n"
2514 "gdtr=%016VR{gdtr_base}:%04VR{gdtr_lim} idtr=%016VR{idtr_base}:%04VR{idtr_lim} rflags=%08VR{rflags}\n"
2515 "ldtr={%04VR{ldtr} base=%016VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%08VR{ldtr_attr}}\n"
2516 "tr ={%04VR{tr} base=%016VR{tr_base} limit=%08VR{tr_lim} flags=%08VR{tr_attr}}\n"
2517 " sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n"
2518 " efer=%016VR{efer}\n"
2519 " pat=%016VR{pat}\n"
2520 " sf_mask=%016VR{sf_mask}\n"
2521 "krnl_gs_base=%016VR{krnl_gs_base}\n"
2522 " lstar=%016VR{lstar}\n"
2523 " star=%016VR{star} cstar=%016VR{cstar}\n"
2524 "fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n"
2525 );
2526 else
2527 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, szDisAndRegs, sizeof(szDisAndRegs),
2528 "u %04VR{cs}:%08VR{eip} L 0\n"
2529 "eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n"
2530 "eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n"
2531 "cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} dr0=%08VR{dr0} dr1=%08VR{dr1}\n"
2532 "ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} dr2=%08VR{dr2} dr3=%08VR{dr3}\n"
2533 "es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} dr6=%08VR{dr6} dr7=%08VR{dr7}\n"
2534 "fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr0=%08VR{cr0} cr2=%08VR{cr2}\n"
2535 "gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr3=%08VR{cr3} cr4=%08VR{cr4}\n"
2536 "ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}} cr8=%08VR{cr8}\n"
2537 "gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} idtr=%08VR{idtr_base}:%04VR{idtr_lim} eflags=%08VR{eflags}\n"
2538 "ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n"
2539 "tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n"
2540 "sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n"
2541 "fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n"
2542 );
2543 }
2544 if (RT_FAILURE(rc))
2545 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed");
2546 char *pszRegs = strchr(szDisAndRegs, '\n');
2547 *pszRegs++ = '\0';
2548 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs);
2549
2550 /*
2551 * Disassemble one instruction at cs:[r|e]ip.
2552 */
2553 if (!f64BitMode && strstr(pszRegs, " vm ")) /* a bit ugly... */
2554 return pCmdHlp->pfnExec(pCmdHlp, "uv86 %s", szDisAndRegs + 2);
2555 return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs);
2556 }
2557 return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, "");
2558}
2559
2560
2561/**
2562 * @callback_method_impl{FNDBGCCMD, The 'rh' command.}
2563 */
2564static DECLCALLBACK(int) dbgcCmdRegHyper(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2565{
2566 /*
2567 * Show all registers our selves.
2568 */
2569 if (cArgs == 0)
2570 {
2571 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2572 char szDisAndRegs[8192];
2573 int rc;
2574
2575 if (pDbgc->fRegTerse)
2576 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu | DBGFREG_HYPER_VMCPUID, szDisAndRegs, sizeof(szDisAndRegs),
2577 "u %VR{cs}:%VR{eip} L 0\n"
2578 ".eax=%08VR{eax} .ebx=%08VR{ebx} .ecx=%08VR{ecx} .edx=%08VR{edx} .esi=%08VR{esi} .edi=%08VR{edi}\n"
2579 ".eip=%08VR{eip} .esp=%08VR{esp} .ebp=%08VR{ebp} .%VRF{eflags}\n"
2580 ".cs=%04VR{cs} .ds=%04VR{ds} .es=%04VR{es} .fs=%04VR{fs} .gs=%04VR{gs} .ss=%04VR{ss} .eflags=%08VR{eflags}\n");
2581 else
2582 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu | DBGFREG_HYPER_VMCPUID, szDisAndRegs, sizeof(szDisAndRegs),
2583 "u %04VR{cs}:%08VR{eip} L 0\n"
2584 ".eax=%08VR{eax} .ebx=%08VR{ebx} .ecx=%08VR{ecx} .edx=%08VR{edx} .esi=%08VR{esi} .edi=%08VR{edi}\n"
2585 ".eip=%08VR{eip} .esp=%08VR{esp} .ebp=%08VR{ebp} .%VRF{eflags}\n"
2586 ".cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} .dr0=%08VR{dr0} .dr1=%08VR{dr1}\n"
2587 ".ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} .dr2=%08VR{dr2} .dr3=%08VR{dr3}\n"
2588 ".es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} .dr6=%08VR{dr6} .dr6=%08VR{dr6}\n"
2589 ".fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} .cr3=%016VR{cr3}\n"
2590 ".gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}}\n"
2591 ".ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n"
2592 ".gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} .idtr=%08VR{idtr_base}:%04VR{idtr_lim} .eflags=%08VR{eflags}\n"
2593 ".ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n"
2594 ".tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n"
2595 );
2596 if (RT_FAILURE(rc))
2597 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed");
2598 char *pszRegs = strchr(szDisAndRegs, '\n');
2599 *pszRegs++ = '\0';
2600 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs);
2601
2602 /*
2603 * Disassemble one instruction at cs:[r|e]ip.
2604 */
2605 return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs);
2606 }
2607 return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, ".");
2608}
2609
2610
2611/**
2612 * @callback_method_impl{FNDBGCCMD, The 'rt' command.}
2613 */
2614static DECLCALLBACK(int) dbgcCmdRegTerse(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2615{
2616 NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2617
2618 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2619 pDbgc->fRegTerse = !pDbgc->fRegTerse;
2620 return DBGCCmdHlpPrintf(pCmdHlp, pDbgc->fRegTerse ? "info: Terse register info.\n" : "info: Verbose register info.\n");
2621}
2622
2623
2624/**
2625 * @callback_method_impl{FNDBGCCMD, The 'pr' and 'tr' commands.}
2626 */
2627static DECLCALLBACK(int) dbgcCmdStepTraceToggle(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2628{
2629 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2630 Assert(cArgs == 0); NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2631
2632 /* Note! windbg accepts 'r' as a flag to 'p', 'pa', 'pc', 'pt', 't',
2633 'ta', 'tc' and 'tt'. We've simplified it. */
2634 pDbgc->fStepTraceRegs = !pDbgc->fStepTraceRegs;
2635 return VINF_SUCCESS;
2636}
2637
2638
2639/**
2640 * @callback_method_impl{FNDBGCCMD, The 'p'\, 'pc'\, 'pt'\, 't'\, 'tc'\, and 'tt' commands.}
2641 */
2642static DECLCALLBACK(int) dbgcCmdStepTrace(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2643{
2644 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2645 if (cArgs != 0)
2646 return DBGCCmdHlpFail(pCmdHlp, pCmd,
2647 "Sorry, but the '%s' command does not currently implement any arguments.\n", pCmd->pszCmd);
2648
2649 /* The 'count' has to be implemented by DBGC, whereas the
2650 filtering is taken care of by DBGF. */
2651
2652 /*
2653 * Convert the command to DBGF_STEP_F_XXX and other API input.
2654 */
2655 //DBGFADDRESS StackPop;
2656 PDBGFADDRESS pStackPop = NULL;
2657 RTGCPTR cbStackPop = 0;
2658 uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : _64K;
2659 uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2660 if (pCmd->pszCmd[1] == 'c')
2661 fFlags |= DBGF_STEP_F_STOP_ON_CALL;
2662 else if (pCmd->pszCmd[1] == 't')
2663 fFlags |= DBGF_STEP_F_STOP_ON_RET;
2664 else if (pCmd->pszCmd[0] != 'p')
2665 cMaxSteps = 1;
2666 else
2667 {
2668 /** @todo consider passing RSP + 1 in for 'p' and something else sensible for
2669 * the 'pt' command. */
2670 }
2671
2672 int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, NULL, pStackPop, cbStackPop, cMaxSteps);
2673 if (RT_SUCCESS(rc))
2674 pDbgc->fReady = false;
2675 else
2676 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2677
2678 NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
2679 return rc;
2680}
2681
2682
2683/**
2684 * @callback_method_impl{FNDBGCCMD, The 'pa' and 'ta' commands.}
2685 */
2686static DECLCALLBACK(int) dbgcCmdStepTraceTo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2687{
2688 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2689 if (cArgs != 1)
2690 return DBGCCmdHlpFail(pCmdHlp, pCmd,
2691 "Sorry, but the '%s' command only implements a single argument at present.\n", pCmd->pszCmd);
2692 DBGFADDRESS Address;
2693 int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
2694 if (RT_FAILURE(rc))
2695 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[0]);
2696
2697 uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : 1;
2698 uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2699 rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, &Address, NULL, 0, cMaxSteps);
2700 if (RT_SUCCESS(rc))
2701 pDbgc->fReady = false;
2702 else
2703 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2704 return rc;
2705}
2706
2707
2708/**
2709 * Helper that tries to resolve a far address to a symbol and formats it.
2710 *
2711 * @returns Pointer to symbol string on success, NULL if not resolved.
2712 * Free using RTStrFree.
2713 * @param pCmdHlp The command helper structure.
2714 * @param hAs The address space to use. NIL_RTDBGAS means no symbol resolving.
2715 * @param sel The selector part of the address.
2716 * @param off The offset part of the address.
2717 * @param pszPrefix How to prefix the symbol string.
2718 * @param pszSuffix How to suffix the symbol string.
2719 */
2720static char *dbgcCmdHlpFarAddrToSymbol(PDBGCCMDHLP pCmdHlp, RTDBGAS hAs, RTSEL sel, uint64_t off,
2721 const char *pszPrefix, const char *pszSuffix)
2722{
2723 char *pszRet = NULL;
2724 if (hAs != NIL_RTDBGAS)
2725 {
2726 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2727 DBGFADDRESS Addr;
2728 int rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr, sel, off);
2729 if (RT_SUCCESS(rc))
2730 {
2731 RTGCINTPTR offDispSym = 0;
2732 PRTDBGSYMBOL pSymbol = DBGFR3AsSymbolByAddrA(pDbgc->pUVM, hAs, &Addr,
2733 RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL
2734 | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
2735 &offDispSym, NULL);
2736 if (pSymbol)
2737 {
2738 if (offDispSym == 0)
2739 pszRet = RTStrAPrintf2("%s%s%s", pszPrefix, pSymbol->szName, pszSuffix);
2740 else if (offDispSym > 0)
2741 pszRet = RTStrAPrintf2("%s%s+%llx%s", pszPrefix, pSymbol->szName, (int64_t)offDispSym, pszSuffix);
2742 else
2743 pszRet = RTStrAPrintf2("%s%s-%llx%s", pszPrefix, pSymbol->szName, -(int64_t)offDispSym, pszSuffix);
2744 RTDbgSymbolFree(pSymbol);
2745 }
2746 }
2747 }
2748 return pszRet;
2749}
2750
2751
2752/**
2753 * @callback_method_impl{FNDBGCCMD, The 'k'\, 'kg' and 'kh' commands.}
2754 */
2755static DECLCALLBACK(int) dbgcCmdStack(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2756{
2757 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2758
2759 /*
2760 * Figure which context we're called for and start walking that stack.
2761 */
2762 int rc;
2763 PCDBGFSTACKFRAME pFirstFrame;
2764 bool const fGuest = pCmd->pszCmd[1] == 'g'
2765 || (pCmd->pszCmd[1] != 'h' && pDbgc->fRegCtxGuest);
2766 bool const fVerbose = pCmd->pszCmd[1] == 'v'
2767 || (pCmd->pszCmd[1] != '\0' && pCmd->pszCmd[2] == 'v');
2768 rc = DBGFR3StackWalkBegin(pUVM, pDbgc->idCpu, fGuest ? DBGFCODETYPE_GUEST : DBGFCODETYPE_HYPER, &pFirstFrame);
2769 if (RT_FAILURE(rc))
2770 return DBGCCmdHlpPrintf(pCmdHlp, "Failed to begin stack walk, rc=%Rrc\n", rc);
2771
2772 /*
2773 * Print the frames.
2774 */
2775 char szTmp[1024];
2776 uint32_t fBitFlags = 0;
2777 for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
2778 pFrame;
2779 pFrame = DBGFR3StackWalkNext(pFrame))
2780 {
2781 uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT | DBGFSTACKFRAME_FLAGS_32BIT | DBGFSTACKFRAME_FLAGS_64BIT);
2782 if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
2783 {
2784 if (fCurBitFlags != fBitFlags)
2785 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2786 rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2787 pFrame->iFrame,
2788 pFrame->AddrFrame.Sel,
2789 (uint16_t)pFrame->AddrFrame.off,
2790 pFrame->AddrReturnFrame.Sel,
2791 (uint16_t)pFrame->AddrReturnFrame.off,
2792 (uint32_t)pFrame->AddrReturnPC.Sel,
2793 (uint32_t)pFrame->AddrReturnPC.off,
2794 pFrame->Args.au32[0],
2795 pFrame->Args.au32[1],
2796 pFrame->Args.au32[2],
2797 pFrame->Args.au32[3]);
2798 }
2799 else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
2800 {
2801 if (fCurBitFlags != fBitFlags)
2802 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2803 rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2804 pFrame->iFrame,
2805 (uint32_t)pFrame->AddrFrame.off,
2806 (uint32_t)pFrame->AddrReturnFrame.off,
2807 (uint32_t)pFrame->AddrReturnPC.Sel,
2808 (uint32_t)pFrame->AddrReturnPC.off,
2809 pFrame->Args.au32[0],
2810 pFrame->Args.au32[1],
2811 pFrame->Args.au32[2],
2812 pFrame->Args.au32[3]);
2813 }
2814 else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
2815 {
2816 if (fCurBitFlags != fBitFlags)
2817 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "# RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
2818 rc = DBGCCmdHlpPrintf(pCmdHlp, "%02x %016RX64 %04RX16:%016RX64 %016RX64",
2819 pFrame->iFrame,
2820 (uint64_t)pFrame->AddrFrame.off,
2821 pFrame->AddrReturnFrame.Sel,
2822 (uint64_t)pFrame->AddrReturnFrame.off,
2823 (uint64_t)pFrame->AddrReturnPC.off);
2824 }
2825 if (RT_FAILURE(rc))
2826 break;
2827 if (!pFrame->pSymPC)
2828 rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
2829 fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
2830 ? " %RTsel:%016RGv"
2831 : fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
2832 ? " %RTsel:%08RGv"
2833 : " %RTsel:%04RGv"
2834 , pFrame->AddrPC.Sel, pFrame->AddrPC.off);
2835 else
2836 {
2837 RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
2838 if (offDisp > 0)
2839 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
2840 else if (offDisp < 0)
2841 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
2842 else
2843 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", pFrame->pSymPC->szName);
2844 }
2845 if (RT_SUCCESS(rc) && pFrame->pLinePC)
2846 rc = DBGCCmdHlpPrintf(pCmdHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
2847 if (RT_SUCCESS(rc))
2848 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2849
2850 if (fVerbose && RT_SUCCESS(rc))
2851 {
2852 /*
2853 * Display verbose frame info.
2854 */
2855 const char *pszRetType = "invalid";
2856 switch (pFrame->enmReturnType)
2857 {
2858 case RTDBGRETURNTYPE_NEAR16: pszRetType = "retn/16"; break;
2859 case RTDBGRETURNTYPE_NEAR32: pszRetType = "retn/32"; break;
2860 case RTDBGRETURNTYPE_NEAR64: pszRetType = "retn/64"; break;
2861 case RTDBGRETURNTYPE_FAR16: pszRetType = "retf/16"; break;
2862 case RTDBGRETURNTYPE_FAR32: pszRetType = "retf/32"; break;
2863 case RTDBGRETURNTYPE_FAR64: pszRetType = "retf/64"; break;
2864 case RTDBGRETURNTYPE_IRET16: pszRetType = "iret-16"; break;
2865 case RTDBGRETURNTYPE_IRET32: pszRetType = "iret/32s"; break;
2866 case RTDBGRETURNTYPE_IRET32_PRIV: pszRetType = "iret/32p"; break;
2867 case RTDBGRETURNTYPE_IRET32_V86: pszRetType = "iret/v86"; break;
2868 case RTDBGRETURNTYPE_IRET64: pszRetType = "iret/64"; break;
2869
2870 case RTDBGRETURNTYPE_END:
2871 case RTDBGRETURNTYPE_INVALID:
2872 case RTDBGRETURNTYPE_32BIT_HACK:
2873 break;
2874 }
2875 size_t cchLine = DBGCCmdHlpPrintfLen(pCmdHlp, " %s", pszRetType);
2876 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_UNWIND_INFO)
2877 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-unwind-info");
2878 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_USED_ODD_EVEN)
2879 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " used-odd-even");
2880 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_REAL_V86)
2881 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " real-v86");
2882 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_MAX_DEPTH)
2883 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " max-depth");
2884 if (pFrame->fFlags & DBGFSTACKFRAME_FLAGS_TRAP_FRAME)
2885 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " trap-frame");
2886
2887 if (pFrame->cSureRegs > 0)
2888 {
2889 cchLine = 1024; /* force new line */
2890 for (uint32_t i = 0; i < pFrame->cSureRegs; i++)
2891 {
2892 if (cchLine > 80)
2893 {
2894 DBGCCmdHlpPrintf(pCmdHlp, "\n ");
2895 cchLine = 2;
2896 }
2897
2898 szTmp[0] = '\0';
2899 DBGFR3RegFormatValue(szTmp, sizeof(szTmp), &pFrame->paSureRegs[i].Value,
2900 pFrame->paSureRegs[i].enmType, false);
2901 const char *pszName = pFrame->paSureRegs[i].enmReg != DBGFREG_END
2902 ? DBGFR3RegCpuName(pUVM, pFrame->paSureRegs[i].enmReg, pFrame->paSureRegs[i].enmType)
2903 : pFrame->paSureRegs[i].pszName;
2904 cchLine += DBGCCmdHlpPrintfLen(pCmdHlp, " %s=%s", pszName, szTmp);
2905 }
2906 }
2907
2908 if (RT_SUCCESS(rc))
2909 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2910 }
2911
2912 if (RT_FAILURE(rc))
2913 break;
2914
2915 fBitFlags = fCurBitFlags;
2916 }
2917
2918 DBGFR3StackWalkEnd(pFirstFrame);
2919
2920 NOREF(paArgs); NOREF(cArgs);
2921 return rc;
2922}
2923
2924
2925/**
2926 * Worker function that displays one descriptor entry (GDT, LDT, IDT).
2927 *
2928 * @returns pfnPrintf status code.
2929 * @param pCmdHlp The DBGC command helpers.
2930 * @param pDesc The descriptor to display.
2931 * @param iEntry The descriptor entry number.
2932 * @param fHyper Whether the selector belongs to the hypervisor or not.
2933 * @param hAs Address space to use when resolving symbols.
2934 * @param pfDblEntry Where to indicate whether the entry is two entries wide.
2935 * Optional.
2936 */
2937static int dbgcCmdDumpDTWorker64(PDBGCCMDHLP pCmdHlp, PCX86DESC64 pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs,
2938 bool *pfDblEntry)
2939{
2940 /* GUEST64 */
2941 int rc;
2942
2943 const char *pszHyper = fHyper ? " HYPER" : "";
2944 const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
2945 if (pDesc->Gen.u1DescType)
2946 {
2947 static const char * const s_apszTypes[] =
2948 {
2949 "DataRO", /* 0 Read-Only */
2950 "DataRO", /* 1 Read-Only - Accessed */
2951 "DataRW", /* 2 Read/Write */
2952 "DataRW", /* 3 Read/Write - Accessed */
2953 "DownRO", /* 4 Expand-down, Read-Only */
2954 "DownRO", /* 5 Expand-down, Read-Only - Accessed */
2955 "DownRW", /* 6 Expand-down, Read/Write */
2956 "DownRW", /* 7 Expand-down, Read/Write - Accessed */
2957 "CodeEO", /* 8 Execute-Only */
2958 "CodeEO", /* 9 Execute-Only - Accessed */
2959 "CodeER", /* A Execute/Readable */
2960 "CodeER", /* B Execute/Readable - Accessed */
2961 "ConfE0", /* C Conforming, Execute-Only */
2962 "ConfE0", /* D Conforming, Execute-Only - Accessed */
2963 "ConfER", /* E Conforming, Execute/Readable */
2964 "ConfER" /* F Conforming, Execute/Readable - Accessed */
2965 };
2966 const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
2967 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
2968 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2969 uint32_t u32Base = X86DESC_BASE(pDesc);
2970 uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2971
2972 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
2973 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
2974 pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
2975 pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
2976 }
2977 else
2978 {
2979 static const char * const s_apszTypes[] =
2980 {
2981 "Ill-0 ", /* 0 0000 Reserved (Illegal) */
2982 "Ill-1 ", /* 1 0001 Available 16-bit TSS */
2983 "LDT ", /* 2 0010 LDT */
2984 "Ill-3 ", /* 3 0011 Busy 16-bit TSS */
2985 "Ill-4 ", /* 4 0100 16-bit Call Gate */
2986 "Ill-5 ", /* 5 0101 Task Gate */
2987 "Ill-6 ", /* 6 0110 16-bit Interrupt Gate */
2988 "Ill-7 ", /* 7 0111 16-bit Trap Gate */
2989 "Ill-8 ", /* 8 1000 Reserved (Illegal) */
2990 "Tss64A", /* 9 1001 Available 32-bit TSS */
2991 "Ill-A ", /* A 1010 Reserved (Illegal) */
2992 "Tss64B", /* B 1011 Busy 32-bit TSS */
2993 "Call64", /* C 1100 32-bit Call Gate */
2994 "Ill-D ", /* D 1101 Reserved (Illegal) */
2995 "Int64 ", /* E 1110 32-bit Interrupt Gate */
2996 "Trap64" /* F 1111 32-bit Trap Gate */
2997 };
2998 switch (pDesc->Gen.u4Type)
2999 {
3000 /* raw */
3001 case X86_SEL_TYPE_SYS_UNDEFINED:
3002 case X86_SEL_TYPE_SYS_UNDEFINED2:
3003 case X86_SEL_TYPE_SYS_UNDEFINED4:
3004 case X86_SEL_TYPE_SYS_UNDEFINED3:
3005 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
3006 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
3007 case X86_SEL_TYPE_SYS_286_CALL_GATE:
3008 case X86_SEL_TYPE_SYS_286_INT_GATE:
3009 case X86_SEL_TYPE_SYS_286_TRAP_GATE:
3010 case X86_SEL_TYPE_SYS_TASK_GATE:
3011 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
3012 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
3013 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3014 break;
3015
3016 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
3017 case X86_SEL_TYPE_SYS_386_TSS_BUSY:
3018 case X86_SEL_TYPE_SYS_LDT:
3019 {
3020 const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
3021 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3022 const char *pszLong = pDesc->Gen.u1Long ? "LONG" : " ";
3023
3024 uint64_t u64Base = X86DESC64_BASE(pDesc);
3025 uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
3026
3027 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%016RX64 Lim=%08x DPL=%d %s %s %s %sAVL=%d R=%d%s\n",
3028 iEntry, s_apszTypes[pDesc->Gen.u4Type], u64Base, cbLimit,
3029 pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszLong, pszBig,
3030 pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1),
3031 pszHyper);
3032 if (pfDblEntry)
3033 *pfDblEntry = true;
3034 break;
3035 }
3036
3037 case X86_SEL_TYPE_SYS_386_CALL_GATE:
3038 {
3039 unsigned cParams = pDesc->au8[4] & 0x1f;
3040 const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
3041 RTSEL sel = pDesc->au16[1];
3042 uint64_t off = pDesc->au16[0]
3043 | ((uint64_t)pDesc->au16[3] << 16)
3044 | ((uint64_t)pDesc->Gen.u32BaseHigh3 << 32);
3045 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3046 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%d %s %s=%d%s%s\n",
3047 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3048 pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : "");
3049 RTStrFree(pszSymbol);
3050 if (pfDblEntry)
3051 *pfDblEntry = true;
3052 break;
3053 }
3054
3055 case X86_SEL_TYPE_SYS_386_INT_GATE:
3056 case X86_SEL_TYPE_SYS_386_TRAP_GATE:
3057 {
3058 RTSEL sel = pDesc->Gate.u16Sel;
3059 uint64_t off = pDesc->Gate.u16OffsetLow
3060 | ((uint64_t)pDesc->Gate.u16OffsetHigh << 16)
3061 | ((uint64_t)pDesc->Gate.u32OffsetTop << 32);
3062 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3063 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%u %s IST=%u%s%s\n",
3064 iEntry, s_apszTypes[pDesc->Gate.u4Type], sel, off,
3065 pDesc->Gate.u2Dpl, pszPresent, pDesc->Gate.u3IST, pszHyper, pszSymbol ? pszSymbol : "");
3066 RTStrFree(pszSymbol);
3067 if (pfDblEntry)
3068 *pfDblEntry = true;
3069 break;
3070 }
3071
3072 /* impossible, just it's necessary to keep gcc happy. */
3073 default:
3074 return VINF_SUCCESS;
3075 }
3076 }
3077 return VINF_SUCCESS;
3078}
3079
3080
3081/**
3082 * Worker function that displays one descriptor entry (GDT, LDT, IDT).
3083 *
3084 * @returns pfnPrintf status code.
3085 * @param pCmdHlp The DBGC command helpers.
3086 * @param pDesc The descriptor to display.
3087 * @param iEntry The descriptor entry number.
3088 * @param fHyper Whether the selector belongs to the hypervisor or not.
3089 * @param hAs Address space to use when resolving symbols.
3090 */
3091static int dbgcCmdDumpDTWorker32(PDBGCCMDHLP pCmdHlp, PCX86DESC pDesc, unsigned iEntry, bool fHyper, RTDBGAS hAs)
3092{
3093 int rc;
3094
3095 const char *pszHyper = fHyper ? " HYPER" : "";
3096 const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
3097 if (pDesc->Gen.u1DescType)
3098 {
3099 static const char * const s_apszTypes[] =
3100 {
3101 "DataRO", /* 0 Read-Only */
3102 "DataRO", /* 1 Read-Only - Accessed */
3103 "DataRW", /* 2 Read/Write */
3104 "DataRW", /* 3 Read/Write - Accessed */
3105 "DownRO", /* 4 Expand-down, Read-Only */
3106 "DownRO", /* 5 Expand-down, Read-Only - Accessed */
3107 "DownRW", /* 6 Expand-down, Read/Write */
3108 "DownRW", /* 7 Expand-down, Read/Write - Accessed */
3109 "CodeEO", /* 8 Execute-Only */
3110 "CodeEO", /* 9 Execute-Only - Accessed */
3111 "CodeER", /* A Execute/Readable */
3112 "CodeER", /* B Execute/Readable - Accessed */
3113 "ConfE0", /* C Conforming, Execute-Only */
3114 "ConfE0", /* D Conforming, Execute-Only - Accessed */
3115 "ConfER", /* E Conforming, Execute/Readable */
3116 "ConfER" /* F Conforming, Execute/Readable - Accessed */
3117 };
3118 const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
3119 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3120 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3121 uint32_t u32Base = pDesc->Gen.u16BaseLow
3122 | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3123 | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3124 uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16);
3125 if (pDesc->Gen.u1Granularity)
3126 cbLimit <<= PAGE_SHIFT;
3127
3128 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
3129 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3130 pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
3131 pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
3132 }
3133 else
3134 {
3135 static const char * const s_apszTypes[] =
3136 {
3137 "Ill-0 ", /* 0 0000 Reserved (Illegal) */
3138 "Tss16A", /* 1 0001 Available 16-bit TSS */
3139 "LDT ", /* 2 0010 LDT */
3140 "Tss16B", /* 3 0011 Busy 16-bit TSS */
3141 "Call16", /* 4 0100 16-bit Call Gate */
3142 "TaskG ", /* 5 0101 Task Gate */
3143 "Int16 ", /* 6 0110 16-bit Interrupt Gate */
3144 "Trap16", /* 7 0111 16-bit Trap Gate */
3145 "Ill-8 ", /* 8 1000 Reserved (Illegal) */
3146 "Tss32A", /* 9 1001 Available 32-bit TSS */
3147 "Ill-A ", /* A 1010 Reserved (Illegal) */
3148 "Tss32B", /* B 1011 Busy 32-bit TSS */
3149 "Call32", /* C 1100 32-bit Call Gate */
3150 "Ill-D ", /* D 1101 Reserved (Illegal) */
3151 "Int32 ", /* E 1110 32-bit Interrupt Gate */
3152 "Trap32" /* F 1111 32-bit Trap Gate */
3153 };
3154 switch (pDesc->Gen.u4Type)
3155 {
3156 /* raw */
3157 case X86_SEL_TYPE_SYS_UNDEFINED:
3158 case X86_SEL_TYPE_SYS_UNDEFINED2:
3159 case X86_SEL_TYPE_SYS_UNDEFINED4:
3160 case X86_SEL_TYPE_SYS_UNDEFINED3:
3161 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
3162 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
3163 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3164 break;
3165
3166 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
3167 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
3168 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
3169 case X86_SEL_TYPE_SYS_386_TSS_BUSY:
3170 case X86_SEL_TYPE_SYS_LDT:
3171 {
3172 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3173 const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
3174 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3175 uint32_t u32Base = pDesc->Gen.u16BaseLow
3176 | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3177 | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3178 uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16);
3179 if (pDesc->Gen.u1Granularity)
3180 cbLimit <<= PAGE_SHIFT;
3181
3182 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d R=%d%s\n",
3183 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3184 pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszGranularity, pszBig,
3185 pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1),
3186 pszHyper);
3187 break;
3188 }
3189
3190 case X86_SEL_TYPE_SYS_TASK_GATE:
3191 {
3192 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s TSS=%04x DPL=%d %s%s\n",
3193 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc->au16[1],
3194 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3195 break;
3196 }
3197
3198 case X86_SEL_TYPE_SYS_286_CALL_GATE:
3199 case X86_SEL_TYPE_SYS_386_CALL_GATE:
3200 {
3201 unsigned cParams = pDesc->au8[4] & 0x1f;
3202 const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
3203 RTSEL sel = pDesc->au16[1];
3204 uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16);
3205 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3206 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s %s=%d%s%s\n",
3207 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3208 pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper, pszSymbol ? pszSymbol : "");
3209 RTStrFree(pszSymbol);
3210 break;
3211 }
3212
3213 case X86_SEL_TYPE_SYS_286_INT_GATE:
3214 case X86_SEL_TYPE_SYS_386_INT_GATE:
3215 case X86_SEL_TYPE_SYS_286_TRAP_GATE:
3216 case X86_SEL_TYPE_SYS_386_TRAP_GATE:
3217 {
3218 RTSEL sel = pDesc->au16[1];
3219 uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16);
3220 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, hAs, sel, off, " (", ")");
3221 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s%s%s\n",
3222 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3223 pDesc->Gen.u2Dpl, pszPresent, pszHyper, pszSymbol ? pszSymbol : "");
3224 RTStrFree(pszSymbol);
3225 break;
3226 }
3227
3228 /* impossible, just it's necessary to keep gcc happy. */
3229 default:
3230 return VINF_SUCCESS;
3231 }
3232 }
3233 return rc;
3234}
3235
3236
3237/**
3238 * @callback_method_impl{FNDBGCCMD, The 'dg'\, 'dga'\, 'dl' and 'dla' commands.}
3239 */
3240static DECLCALLBACK(int) dbgcCmdDumpDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3241{
3242 /*
3243 * Validate input.
3244 */
3245 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3246
3247 /*
3248 * Get the CPU mode, check which command variation this is
3249 * and fix a default parameter if needed.
3250 */
3251 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3252 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
3253 CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
3254 bool fGdt = pCmd->pszCmd[1] == 'g';
3255 bool fAll = pCmd->pszCmd[2] == 'a';
3256 RTSEL SelTable = fGdt ? 0 : X86_SEL_LDT;
3257
3258 DBGCVAR Var;
3259 if (!cArgs)
3260 {
3261 cArgs = 1;
3262 paArgs = &Var;
3263 Var.enmType = DBGCVAR_TYPE_NUMBER;
3264 Var.u.u64Number = 0;
3265 Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3266 Var.u64Range = 1024;
3267 }
3268
3269 /*
3270 * Process the arguments.
3271 */
3272 for (unsigned i = 0; i < cArgs; i++)
3273 {
3274 /*
3275 * Retrieve the selector value from the argument.
3276 * The parser may confuse pointers and numbers if more than one
3277 * argument is given, that that into account.
3278 */
3279 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER || DBGCVAR_ISPOINTER(paArgs[i].enmType));
3280 uint64_t u64;
3281 unsigned cSels = 1;
3282 switch (paArgs[i].enmType)
3283 {
3284 case DBGCVAR_TYPE_NUMBER:
3285 u64 = paArgs[i].u.u64Number;
3286 if (paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE)
3287 cSels = RT_MIN(paArgs[i].u64Range, 1024);
3288 break;
3289 case DBGCVAR_TYPE_GC_FAR: u64 = paArgs[i].u.GCFar.sel; break;
3290 case DBGCVAR_TYPE_GC_FLAT: u64 = paArgs[i].u.GCFlat; break;
3291 case DBGCVAR_TYPE_GC_PHYS: u64 = paArgs[i].u.GCPhys; break;
3292 case DBGCVAR_TYPE_HC_FLAT: u64 = (uintptr_t)paArgs[i].u.pvHCFlat; break;
3293 case DBGCVAR_TYPE_HC_PHYS: u64 = paArgs[i].u.HCPhys; break;
3294 default: u64 = _64K; break;
3295 }
3296 if (u64 < _64K)
3297 {
3298 unsigned Sel = (RTSEL)u64;
3299
3300 /*
3301 * Dump the specified range.
3302 */
3303 bool fSingle = cSels == 1;
3304 while ( cSels-- > 0
3305 && Sel < _64K)
3306 {
3307 DBGFSELINFO SelInfo;
3308 int rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, Sel | SelTable, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
3309 if (RT_SUCCESS(rc))
3310 {
3311 if (SelInfo.fFlags & DBGFSELINFO_FLAGS_REAL_MODE)
3312 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x RealM Bas=%04x Lim=%04x\n",
3313 Sel, (unsigned)SelInfo.GCPtrBase, (unsigned)SelInfo.cbLimit);
3314 else if ( fAll
3315 || fSingle
3316 || SelInfo.u.Raw.Gen.u1Present)
3317 {
3318 if (enmMode == CPUMMODE_PROTECTED)
3319 rc = dbgcCmdDumpDTWorker32(pCmdHlp, &SelInfo.u.Raw, Sel,
3320 !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL);
3321 else
3322 {
3323 bool fDblSkip = false;
3324 rc = dbgcCmdDumpDTWorker64(pCmdHlp, &SelInfo.u.Raw64, Sel,
3325 !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), DBGF_AS_GLOBAL, &fDblSkip);
3326 if (fDblSkip)
3327 Sel += 4;
3328 }
3329 }
3330 }
3331 else
3332 {
3333 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %Rrc\n", Sel, rc);
3334 if (!fAll)
3335 return rc;
3336 }
3337 if (RT_FAILURE(rc))
3338 return rc;
3339
3340 /* next */
3341 Sel += 8;
3342 }
3343 }
3344 else
3345 DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds\n", u64);
3346 }
3347
3348 return VINF_SUCCESS;
3349}
3350
3351
3352/**
3353 * @callback_method_impl{FNDBGCCMD, The 'di' and 'dia' commands.}
3354 */
3355static DECLCALLBACK(int) dbgcCmdDumpIDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3356{
3357 /*
3358 * Validate input.
3359 */
3360 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3361
3362 /*
3363 * Establish some stuff like the current IDTR and CPU mode,
3364 * and fix a default parameter.
3365 */
3366 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3367 CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp);
3368 uint16_t cbLimit = 0;
3369 uint64_t GCFlat = 0;
3370 int rc = DBGFR3RegCpuQueryXdtr(pDbgc->pUVM, pDbgc->idCpu, DBGFREG_IDTR, &GCFlat, &cbLimit);
3371 if (RT_FAILURE(rc))
3372 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3RegCpuQueryXdtr/DBGFREG_IDTR");
3373 unsigned cbEntry;
3374 switch (enmMode)
3375 {
3376 case CPUMMODE_REAL: cbEntry = sizeof(RTFAR16); break;
3377 case CPUMMODE_PROTECTED: cbEntry = sizeof(X86DESC); break;
3378 case CPUMMODE_LONG: cbEntry = sizeof(X86DESC64); break;
3379 default:
3380 return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid CPU mode %d.\n", enmMode);
3381 }
3382
3383 bool fAll = pCmd->pszCmd[2] == 'a';
3384 DBGCVAR Var;
3385 if (!cArgs)
3386 {
3387 cArgs = 1;
3388 paArgs = &Var;
3389 Var.enmType = DBGCVAR_TYPE_NUMBER;
3390 Var.u.u64Number = 0;
3391 Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3392 Var.u64Range = 256;
3393 }
3394
3395 /*
3396 * Process the arguments.
3397 */
3398 for (unsigned i = 0; i < cArgs; i++)
3399 {
3400 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER);
3401 if (paArgs[i].u.u64Number < 256)
3402 {
3403 RTGCUINTPTR iInt = (RTGCUINTPTR)paArgs[i].u.u64Number;
3404 unsigned cInts = paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE
3405 ? paArgs[i].u64Range
3406 : 1;
3407 bool fSingle = cInts == 1;
3408 while ( cInts-- > 0
3409 && iInt < 256)
3410 {
3411 /*
3412 * Try read it.
3413 */
3414 union
3415 {
3416 RTFAR16 Real;
3417 X86DESC Prot;
3418 X86DESC64 Long;
3419 } u;
3420 if (iInt * cbEntry + (cbEntry - 1) > cbLimit)
3421 {
3422 DBGCCmdHlpPrintf(pCmdHlp, "%04x not within the IDT\n", (unsigned)iInt);
3423 if (!fAll && !fSingle)
3424 return VINF_SUCCESS;
3425 }
3426 DBGCVAR AddrVar;
3427 AddrVar.enmType = DBGCVAR_TYPE_GC_FLAT;
3428 AddrVar.u.GCFlat = GCFlat + iInt * cbEntry;
3429 AddrVar.enmRangeType = DBGCVAR_RANGE_NONE;
3430 rc = pCmdHlp->pfnMemRead(pCmdHlp, &u, cbEntry, &AddrVar, NULL);
3431 if (RT_FAILURE(rc))
3432 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading IDT entry %#04x.\n", (unsigned)iInt);
3433
3434 /*
3435 * Display it.
3436 */
3437 switch (enmMode)
3438 {
3439 case CPUMMODE_REAL:
3440 {
3441 char *pszSymbol = dbgcCmdHlpFarAddrToSymbol(pCmdHlp, DBGF_AS_GLOBAL, u.Real.sel, u.Real.off, " (", ")");
3442 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %RTfp16%s\n", (unsigned)iInt, u.Real, pszSymbol ? pszSymbol : "");
3443 RTStrFree(pszSymbol);
3444 break;
3445 }
3446 case CPUMMODE_PROTECTED:
3447 if (fAll || fSingle || u.Prot.Gen.u1Present)
3448 rc = dbgcCmdDumpDTWorker32(pCmdHlp, &u.Prot, iInt, false, DBGF_AS_GLOBAL);
3449 break;
3450 case CPUMMODE_LONG:
3451 if (fAll || fSingle || u.Long.Gen.u1Present)
3452 rc = dbgcCmdDumpDTWorker64(pCmdHlp, &u.Long, iInt, false, DBGF_AS_GLOBAL, NULL);
3453 break;
3454 default: break; /* to shut up gcc */
3455 }
3456 if (RT_FAILURE(rc))
3457 return rc;
3458
3459 /* next */
3460 iInt++;
3461 }
3462 }
3463 else
3464 DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds (max 256)\n", paArgs[i].u.u64Number);
3465 }
3466
3467 return VINF_SUCCESS;
3468}
3469
3470
3471/**
3472 * @callback_method_impl{FNDBGCCMD,
3473 * The 'da'\, 'dq'\, 'dqs'\, 'dd'\, 'dds'\, 'dw'\, 'db'\, 'dp'\, 'dps'\,
3474 * and 'du' commands.}
3475 */
3476static DECLCALLBACK(int) dbgcCmdDumpMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3477{
3478 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3479
3480 /*
3481 * Validate input.
3482 */
3483 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3484 if (cArgs == 1)
3485 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3486 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3487
3488#define DBGC_DUMP_MEM_F_ASCII RT_BIT_32(31)
3489#define DBGC_DUMP_MEM_F_UNICODE RT_BIT_32(30)
3490#define DBGC_DUMP_MEM_F_FAR RT_BIT_32(29)
3491#define DBGC_DUMP_MEM_F_SYMBOLS RT_BIT_32(28)
3492#define DBGC_DUMP_MEM_F_SIZE UINT32_C(0x0000ffff)
3493
3494 /*
3495 * Figure out the element size.
3496 */
3497 unsigned cbElement;
3498 bool fAscii = false;
3499 bool fUnicode = false;
3500 bool fFar = false;
3501 bool fSymbols = pCmd->pszCmd[1] && pCmd->pszCmd[2] == 's';
3502 switch (pCmd->pszCmd[1])
3503 {
3504 default:
3505 case 'b': cbElement = 1; break;
3506 case 'w': cbElement = 2; break;
3507 case 'd': cbElement = 4; break;
3508 case 'q': cbElement = 8; break;
3509 case 'a':
3510 cbElement = 1;
3511 fAscii = true;
3512 break;
3513 case 'F':
3514 cbElement = 4;
3515 fFar = true;
3516 break;
3517 case 'p':
3518 cbElement = DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu) ? 8 : 4;
3519 break;
3520 case 'u':
3521 cbElement = 2;
3522 fUnicode = true;
3523 break;
3524 case '\0':
3525 fAscii = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_ASCII);
3526 fSymbols = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SYMBOLS);
3527 fUnicode = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_UNICODE);
3528 fFar = RT_BOOL(pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_FAR);
3529 cbElement = pDbgc->cbDumpElement & DBGC_DUMP_MEM_F_SIZE;
3530 if (!cbElement)
3531 cbElement = 1;
3532 break;
3533 }
3534 uint32_t const cbDumpElement = cbElement
3535 | (fSymbols ? DBGC_DUMP_MEM_F_SYMBOLS : 0)
3536 | (fFar ? DBGC_DUMP_MEM_F_FAR : 0)
3537 | (fUnicode ? DBGC_DUMP_MEM_F_UNICODE : 0)
3538 | (fAscii ? DBGC_DUMP_MEM_F_ASCII : 0);
3539 pDbgc->cbDumpElement = cbDumpElement;
3540
3541 /*
3542 * Find address.
3543 */
3544 if (!cArgs)
3545 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_NONE;
3546 else
3547 pDbgc->DumpPos = paArgs[0];
3548
3549 /*
3550 * Range.
3551 */
3552 switch (pDbgc->DumpPos.enmRangeType)
3553 {
3554 case DBGCVAR_RANGE_NONE:
3555 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3556 pDbgc->DumpPos.u64Range = 0x60;
3557 break;
3558
3559 case DBGCVAR_RANGE_ELEMENTS:
3560 if (pDbgc->DumpPos.u64Range > 2048)
3561 return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many elements requested. Max is 2048 elements.\n");
3562 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3563 pDbgc->DumpPos.u64Range = (cbElement ? cbElement : 1) * pDbgc->DumpPos.u64Range;
3564 break;
3565
3566 case DBGCVAR_RANGE_BYTES:
3567 if (pDbgc->DumpPos.u64Range > 65536)
3568 return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
3569 break;
3570
3571 default:
3572 return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->DumpPos.enmRangeType);
3573 }
3574
3575 pDbgc->pLastPos = &pDbgc->DumpPos;
3576
3577 /*
3578 * Do the dumping.
3579 */
3580 int cbLeft = (int)pDbgc->DumpPos.u64Range;
3581 uint8_t u16Prev = '\0';
3582 for (;;)
3583 {
3584 /*
3585 * Read memory.
3586 */
3587 char achBuffer[16];
3588 size_t cbReq = RT_MIN((int)sizeof(achBuffer), cbLeft);
3589 size_t cb = RT_MIN((int)sizeof(achBuffer), cbLeft);
3590 int rc = pCmdHlp->pfnMemRead(pCmdHlp, &achBuffer, cbReq, &pDbgc->DumpPos, &cb);
3591 if (RT_FAILURE(rc))
3592 {
3593 if (u16Prev && u16Prev != '\n')
3594 DBGCCmdHlpPrintf(pCmdHlp, "\n");
3595 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading memory at %DV.\n", &pDbgc->DumpPos);
3596 }
3597
3598 /*
3599 * Display it.
3600 */
3601 memset(&achBuffer[cb], 0, sizeof(achBuffer) - cb);
3602 if (!fAscii && !fUnicode)
3603 {
3604 DBGCCmdHlpPrintf(pCmdHlp, "%DV:", &pDbgc->DumpPos);
3605 unsigned i;
3606 for (i = 0; i < cb; i += cbElement)
3607 {
3608 const char *pszSpace = " ";
3609 if (cbElement <= 2 && i == 8)
3610 pszSpace = "-";
3611 switch (cbElement)
3612 {
3613 case 1:
3614 DBGCCmdHlpPrintf(pCmdHlp, "%s%02x", pszSpace, *(uint8_t *)&achBuffer[i]);
3615 break;
3616 case 2:
3617 DBGCCmdHlpPrintf(pCmdHlp, "%s%04x", pszSpace, *(uint16_t *)&achBuffer[i]);
3618 break;
3619 case 4:
3620 if (!fFar)
3621 DBGCCmdHlpPrintf(pCmdHlp, "%s%08x", pszSpace, *(uint32_t *)&achBuffer[i]);
3622 else
3623 DBGCCmdHlpPrintf(pCmdHlp, "%s%04x:%04x:",
3624 pszSpace, *(uint16_t *)&achBuffer[i + 2], *(uint16_t *)&achBuffer[i]);
3625 break;
3626 case 8:
3627 DBGCCmdHlpPrintf(pCmdHlp, "%s%016llx", pszSpace, *(uint64_t *)&achBuffer[i]);
3628 break;
3629 }
3630
3631 if (fSymbols)
3632 {
3633 /* Try lookup symbol for the above address. */
3634 DBGFADDRESS Addr;
3635 rc = VINF_SUCCESS;
3636 if (cbElement == 8)
3637 DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, *(uint64_t *)&achBuffer[i]);
3638 else if (!fFar)
3639 DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, *(uint32_t *)&achBuffer[i]);
3640 else
3641 rc = DBGFR3AddrFromSelOff(pDbgc->pUVM, pDbgc->idCpu, &Addr,
3642 *(uint16_t *)&achBuffer[i + 2], *(uint16_t *)&achBuffer[i]);
3643 if (RT_SUCCESS(rc))
3644 {
3645 RTINTPTR offDisp;
3646 RTDBGSYMBOL Symbol;
3647 rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, &Addr,
3648 RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL | RTDBGSYMADDR_FLAGS_SKIP_ABS_IN_DEFERRED,
3649 &offDisp, &Symbol, NULL);
3650 if (RT_SUCCESS(rc))
3651 {
3652 if (!offDisp)
3653 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", Symbol.szName);
3654 else if (offDisp > 0)
3655 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s + %RGv", Symbol.szName, offDisp);
3656 else
3657 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s - %RGv", Symbol.szName, -offDisp);
3658 if (Symbol.cb > 0)
3659 rc = DBGCCmdHlpPrintf(pCmdHlp, " (LB %RGv)", Symbol.cb);
3660 }
3661 }
3662
3663 /* Next line prefix. */
3664 unsigned iNext = i + cbElement;
3665 if (iNext < cb)
3666 {
3667 DBGCVAR TmpPos = pDbgc->DumpPos;
3668 DBGCCmdHlpEval(pCmdHlp, &TmpPos, "(%Dv) + %x", &pDbgc->DumpPos, iNext);
3669 DBGCCmdHlpPrintf(pCmdHlp, "\n%DV:", &pDbgc->DumpPos);
3670 }
3671 }
3672 }
3673
3674 /* Chars column. */
3675 if (cbElement == 1)
3676 {
3677 while (i++ < sizeof(achBuffer))
3678 DBGCCmdHlpPrintf(pCmdHlp, " ");
3679 DBGCCmdHlpPrintf(pCmdHlp, " ");
3680 for (i = 0; i < cb; i += cbElement)
3681 {
3682 uint8_t u8 = *(uint8_t *)&achBuffer[i];
3683 if (RT_C_IS_PRINT(u8) && u8 < 127 && u8 >= 32)
3684 DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
3685 else
3686 DBGCCmdHlpPrintf(pCmdHlp, ".");
3687 }
3688 }
3689 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3690 }
3691 else
3692 {
3693 /*
3694 * We print up to the first zero and stop there.
3695 * Only printables + '\t' and '\n' are printed.
3696 */
3697 if (!u16Prev)
3698 DBGCCmdHlpPrintf(pCmdHlp, "%DV:\n", &pDbgc->DumpPos);
3699 uint16_t u16 = '\0';
3700 unsigned i;
3701 for (i = 0; i < cb; i += cbElement)
3702 {
3703 u16Prev = u16;
3704 if (cbElement == 1)
3705 u16 = *(uint8_t *)&achBuffer[i];
3706 else
3707 u16 = *(uint16_t *)&achBuffer[i];
3708 if ( u16 < 127
3709 && ( (RT_C_IS_PRINT(u16) && u16 >= 32)
3710 || u16 == '\t'
3711 || u16 == '\n'))
3712 DBGCCmdHlpPrintf(pCmdHlp, "%c", (int)u16);
3713 else if (!u16)
3714 break;
3715 else
3716 DBGCCmdHlpPrintf(pCmdHlp, "\\x%0*x", cbElement * 2, u16);
3717 }
3718 if (u16 == '\0')
3719 cb = cbLeft = i + 1;
3720 if (cbLeft - cb <= 0 && u16Prev != '\n')
3721 DBGCCmdHlpPrintf(pCmdHlp, "\n");
3722 }
3723
3724 /*
3725 * Advance
3726 */
3727 cbLeft -= (int)cb;
3728 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DumpPos, "(%Dv) + %x", &pDbgc->DumpPos, cb);
3729 if (RT_FAILURE(rc))
3730 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->DumpPos, cb);
3731 if (cbLeft <= 0)
3732 break;
3733 }
3734
3735 NOREF(pCmd);
3736 return VINF_SUCCESS;
3737}
3738
3739
3740/**
3741 * Best guess at which paging mode currently applies to the guest
3742 * paging structures.
3743 *
3744 * This have to come up with a decent answer even when the guest
3745 * is in non-paged protected mode or real mode.
3746 *
3747 * @returns cr3.
3748 * @param pDbgc The DBGC instance.
3749 * @param pfPAE Where to store the page address extension indicator.
3750 * @param pfLME Where to store the long mode enabled indicator.
3751 * @param pfPSE Where to store the page size extension indicator.
3752 * @param pfPGE Where to store the page global enabled indicator.
3753 * @param pfNXE Where to store the no-execution enabled indicator.
3754 */
3755static RTGCPHYS dbgcGetGuestPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE)
3756{
3757 PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3758 RTGCUINTREG cr4 = CPUMGetGuestCR4(pVCpu);
3759 *pfPSE = !!(cr4 & X86_CR4_PSE);
3760 *pfPGE = !!(cr4 & X86_CR4_PGE);
3761 if (cr4 & X86_CR4_PAE)
3762 {
3763 *pfPSE = true;
3764 *pfPAE = true;
3765 }
3766 else
3767 *pfPAE = false;
3768
3769 *pfLME = CPUMGetGuestMode(pVCpu) == CPUMMODE_LONG;
3770 *pfNXE = false; /* GUEST64 GUESTNX */
3771 return CPUMGetGuestCR3(pVCpu);
3772}
3773
3774
3775/**
3776 * Determine the shadow paging mode.
3777 *
3778 * @returns cr3.
3779 * @param pDbgc The DBGC instance.
3780 * @param pfPAE Where to store the page address extension indicator.
3781 * @param pfLME Where to store the long mode enabled indicator.
3782 * @param pfPSE Where to store the page size extension indicator.
3783 * @param pfPGE Where to store the page global enabled indicator.
3784 * @param pfNXE Where to store the no-execution enabled indicator.
3785 */
3786static RTHCPHYS dbgcGetShadowPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE)
3787{
3788 PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3789
3790 *pfPSE = true;
3791 *pfPGE = false;
3792 switch (PGMGetShadowMode(pVCpu))
3793 {
3794 default:
3795 case PGMMODE_32_BIT:
3796 *pfPAE = *pfLME = *pfNXE = false;
3797 break;
3798 case PGMMODE_PAE:
3799 *pfLME = *pfNXE = false;
3800 *pfPAE = true;
3801 break;
3802 case PGMMODE_PAE_NX:
3803 *pfLME = false;
3804 *pfPAE = *pfNXE = true;
3805 break;
3806 case PGMMODE_AMD64:
3807 *pfNXE = false;
3808 *pfPAE = *pfLME = true;
3809 break;
3810 case PGMMODE_AMD64_NX:
3811 *pfPAE = *pfLME = *pfNXE = true;
3812 break;
3813 }
3814 return PGMGetHyperCR3(pVCpu);
3815}
3816
3817
3818/**
3819 * @callback_method_impl{FNDBGCCMD,
3820 * The 'dpd'\, 'dpda'\, 'dpdb'\, 'dpdg' and 'dpdh' commands.}
3821 */
3822static DECLCALLBACK(int) dbgcCmdDumpPageDir(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3823{
3824 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3825
3826 /*
3827 * Validate input.
3828 */
3829 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3830 if (cArgs == 1 && pCmd->pszCmd[3] == 'a')
3831 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3832 if (cArgs == 1 && pCmd->pszCmd[3] != 'a')
3833 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3834 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
3835 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3836
3837 /*
3838 * Guest or shadow page directories? Get the paging parameters.
3839 */
3840 bool fGuest = pCmd->pszCmd[3] != 'h';
3841 if (!pCmd->pszCmd[3] || pCmd->pszCmd[3] == 'a')
3842 fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3843 ? pDbgc->fRegCtxGuest
3844 : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
3845
3846 bool fPAE, fLME, fPSE, fPGE, fNXE;
3847 uint64_t cr3 = fGuest
3848 ? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
3849 : dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
3850 const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
3851
3852 /*
3853 * Setup default argument if none was specified.
3854 * Fix address / index confusion.
3855 */
3856 DBGCVAR VarDefault;
3857 if (!cArgs)
3858 {
3859 if (pCmd->pszCmd[3] == 'a')
3860 {
3861 if (fLME || fPAE)
3862 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");
3863 if (fGuest)
3864 DBGCVAR_INIT_GC_PHYS(&VarDefault, cr3);
3865 else
3866 DBGCVAR_INIT_HC_PHYS(&VarDefault, cr3);
3867 }
3868 else
3869 DBGCVAR_INIT_GC_FLAT(&VarDefault, 0);
3870 paArgs = &VarDefault;
3871 cArgs = 1;
3872 }
3873 else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
3874 {
3875 /* If it's a number (not an address), it's an index, so convert it to an address. */
3876 Assert(pCmd->pszCmd[3] != 'a');
3877 VarDefault = paArgs[0];
3878 if (fPAE)
3879 return DBGCCmdHlpPrintf(pCmdHlp, "PDE indexing is only implemented for 32-bit paging.\n");
3880 if (VarDefault.u.u64Number >= PAGE_SIZE / cbEntry)
3881 return DBGCCmdHlpPrintf(pCmdHlp, "PDE index is out of range [0..%d].\n", PAGE_SIZE / cbEntry - 1);
3882 VarDefault.u.u64Number <<= X86_PD_SHIFT;
3883 VarDefault.enmType = DBGCVAR_TYPE_GC_FLAT;
3884 paArgs = &VarDefault;
3885 }
3886
3887 /*
3888 * Locate the PDE to start displaying at.
3889 *
3890 * The 'dpda' command takes the address of a PDE, while the others are guest
3891 * virtual address which PDEs should be displayed. So, 'dpda' is rather simple
3892 * while the others require us to do all the tedious walking thru the paging
3893 * hierarchy to find the intended PDE.
3894 */
3895 unsigned iEntry = ~0U; /* The page directory index. ~0U for 'dpta'. */
3896 DBGCVAR VarGCPtr = { NULL, }; /* The GC address corresponding to the current PDE (iEntry != ~0U). */
3897 DBGCVAR VarPDEAddr; /* The address of the current PDE. */
3898 unsigned cEntries; /* The number of entries to display. */
3899 unsigned cEntriesMax; /* The max number of entries to display. */
3900 int rc;
3901 if (pCmd->pszCmd[3] == 'a')
3902 {
3903 VarPDEAddr = paArgs[0];
3904 switch (VarPDEAddr.enmRangeType)
3905 {
3906 case DBGCVAR_RANGE_BYTES: cEntries = VarPDEAddr.u64Range / cbEntry; break;
3907 case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPDEAddr.u64Range; break;
3908 default: cEntries = 10; break;
3909 }
3910 cEntriesMax = PAGE_SIZE / cbEntry;
3911 }
3912 else
3913 {
3914 /*
3915 * Determine the range.
3916 */
3917 switch (paArgs[0].enmRangeType)
3918 {
3919 case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
3920 case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
3921 default: cEntries = 10; break;
3922 }
3923
3924 /*
3925 * Normalize the input address, it must be a flat GC address.
3926 */
3927 rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
3928 if (RT_FAILURE(rc))
3929 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
3930 if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
3931 {
3932 VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
3933 VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
3934 }
3935 if (fPAE)
3936 VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_PAE_SHIFT) - 1);
3937 else
3938 VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_SHIFT) - 1);
3939
3940 /*
3941 * Do the paging walk until we get to the page directory.
3942 */
3943 DBGCVAR VarCur;
3944 if (fGuest)
3945 DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
3946 else
3947 DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
3948 if (fLME)
3949 {
3950 /* Page Map Level 4 Lookup. */
3951 /* Check if it's a valid address first? */
3952 VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
3953 VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
3954 X86PML4E Pml4e;
3955 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
3956 if (RT_FAILURE(rc))
3957 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
3958 if (!Pml4e.n.u1Present)
3959 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
3960
3961 VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
3962 Assert(fPAE);
3963 }
3964 if (fPAE)
3965 {
3966 /* Page directory pointer table. */
3967 X86PDPE Pdpe;
3968 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
3969 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
3970 if (RT_FAILURE(rc))
3971 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
3972 if (!Pdpe.n.u1Present)
3973 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
3974
3975 iEntry = (VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK;
3976 VarPDEAddr = VarCur;
3977 VarPDEAddr.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
3978 VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDEPAE);
3979 }
3980 else
3981 {
3982 /* 32-bit legacy - CR3 == page directory. */
3983 iEntry = (VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK;
3984 VarPDEAddr = VarCur;
3985 VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDE);
3986 }
3987 cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
3988 }
3989
3990 /* adjust cEntries */
3991 cEntries = RT_MAX(1, cEntries);
3992 cEntries = RT_MIN(cEntries, cEntriesMax);
3993
3994 /*
3995 * The display loop.
3996 */
3997 DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (index %#x):\n" : "%DV:\n",
3998 &VarPDEAddr, iEntry);
3999 do
4000 {
4001 /*
4002 * Read.
4003 */
4004 X86PDEPAE Pde;
4005 Pde.u = 0;
4006 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, cbEntry, &VarPDEAddr, NULL);
4007 if (RT_FAILURE(rc))
4008 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarPDEAddr);
4009
4010 /*
4011 * Display.
4012 */
4013 if (iEntry != ~0U)
4014 {
4015 DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
4016 iEntry++;
4017 }
4018 if (fPSE && Pde.b.u1Size)
4019 DBGCCmdHlpPrintf(pCmdHlp,
4020 fPAE
4021 ? "%016llx big phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
4022 : "%08llx big phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
4023 Pde.u,
4024 Pde.u & X86_PDE_PAE_PG_MASK,
4025 Pde.b.u1Present ? "p " : "np",
4026 Pde.b.u1Write ? "w" : "r",
4027 Pde.b.u1User ? "u" : "s",
4028 Pde.b.u1Accessed ? "a " : "na",
4029 Pde.b.u1Dirty ? "d " : "nd",
4030 Pde.b.u3Available,
4031 Pde.b.u1Global ? (fPGE ? "g" : "G") : " ",
4032 Pde.b.u1WriteThru ? "pwt" : " ",
4033 Pde.b.u1CacheDisable ? "pcd" : " ",
4034 Pde.b.u1PAT ? "pat" : "",
4035 Pde.b.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
4036 else
4037 DBGCCmdHlpPrintf(pCmdHlp,
4038 fPAE
4039 ? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s"
4040 : "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s",
4041 Pde.u,
4042 Pde.u & X86_PDE_PAE_PG_MASK,
4043 Pde.n.u1Present ? "p " : "np",
4044 Pde.n.u1Write ? "w" : "r",
4045 Pde.n.u1User ? "u" : "s",
4046 Pde.n.u1Accessed ? "a " : "na",
4047 Pde.u & RT_BIT(6) ? "6 " : " ",
4048 Pde.n.u3Available,
4049 Pde.u & RT_BIT(8) ? "8" : " ",
4050 Pde.n.u1WriteThru ? "pwt" : " ",
4051 Pde.n.u1CacheDisable ? "pcd" : " ",
4052 Pde.u & RT_BIT(7) ? "7" : "",
4053 Pde.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
4054 if (Pde.u & UINT64_C(0x7fff000000000000))
4055 DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pde.u & UINT64_C(0x7fff000000000000)));
4056 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
4057 if (RT_FAILURE(rc))
4058 return rc;
4059
4060 /*
4061 * Advance.
4062 */
4063 VarPDEAddr.u.u64Number += cbEntry;
4064 if (iEntry != ~0U)
4065 VarGCPtr.u.GCFlat += fPAE ? RT_BIT_32(X86_PD_PAE_SHIFT) : RT_BIT_32(X86_PD_SHIFT);
4066 } while (cEntries-- > 0);
4067
4068 return VINF_SUCCESS;
4069}
4070
4071
4072/**
4073 * @callback_method_impl{FNDBGCCMD, The 'dpdb' command.}
4074 */
4075static DECLCALLBACK(int) dbgcCmdDumpPageDirBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4076{
4077 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4078 int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dpdg %DV", &paArgs[0]);
4079 int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpdh %DV", &paArgs[0]);
4080 if (RT_FAILURE(rc1))
4081 return rc1;
4082 NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
4083 return rc2;
4084}
4085
4086
4087/**
4088 * @callback_method_impl{FNDBGCCMD, The 'dph*' commands and main part of 'm'.}
4089 */
4090static DECLCALLBACK(int) dbgcCmdDumpPageHierarchy(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4091{
4092 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4093 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4094
4095 /*
4096 * Figure the context and base flags.
4097 */
4098 uint32_t fFlags = DBGFPGDMP_FLAGS_PAGE_INFO | DBGFPGDMP_FLAGS_PRINT_CR3;
4099 if (pCmd->pszCmd[0] == 'm')
4100 fFlags |= DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW;
4101 else if (pCmd->pszCmd[3] == '\0')
4102 fFlags |= pDbgc->fRegCtxGuest ? DBGFPGDMP_FLAGS_GUEST : DBGFPGDMP_FLAGS_SHADOW;
4103 else if (pCmd->pszCmd[3] == 'g')
4104 fFlags |= DBGFPGDMP_FLAGS_GUEST;
4105 else if (pCmd->pszCmd[3] == 'h')
4106 fFlags</