VirtualBox

source: vbox/trunk/src/VBox/Debugger/DBGCEmulateCodeView.cpp@ 64586

Last change on this file since 64586 was 64586, checked in by vboxsync, 8 years ago

DBGFR3Flow: Started working on resolving indirect branches. Compilers tend to create a branch table for large switch() {} statements to avoid loads of conditional branches
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File size: 270.2 KB
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1/* $Id: DBGCEmulateCodeView.cpp 64586 2016-11-06 13:56:36Z vboxsync $ */
2/** @file
3 * DBGC - Debugger Console, CodeView / WinDbg Emulation.
4 */
5
6/*
7 * Copyright (C) 2006-2016 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18
19/*********************************************************************************************************************************
20* Header Files *
21*********************************************************************************************************************************/
22#define LOG_GROUP LOG_GROUP_DBGC
23#include <VBox/dbg.h>
24#include <VBox/vmm/dbgf.h>
25#include <VBox/vmm/pgm.h>
26#include <VBox/vmm/cpum.h>
27#include <VBox/dis.h>
28#include <VBox/param.h>
29#include <VBox/err.h>
30#include <VBox/log.h>
31
32#include <iprt/asm.h>
33#include <iprt/mem.h>
34#include <iprt/string.h>
35#include <iprt/assert.h>
36#include <iprt/ctype.h>
37
38#include <stdlib.h>
39#include <stdio.h>
40
41#include "DBGCInternal.h"
42
43
44/*********************************************************************************************************************************
45* Internal Functions *
46*********************************************************************************************************************************/
47static FNDBGCCMD dbgcCmdBrkAccess;
48static FNDBGCCMD dbgcCmdBrkClear;
49static FNDBGCCMD dbgcCmdBrkDisable;
50static FNDBGCCMD dbgcCmdBrkEnable;
51static FNDBGCCMD dbgcCmdBrkList;
52static FNDBGCCMD dbgcCmdBrkSet;
53static FNDBGCCMD dbgcCmdBrkREM;
54static FNDBGCCMD dbgcCmdDumpMem;
55static FNDBGCCMD dbgcCmdDumpDT;
56static FNDBGCCMD dbgcCmdDumpIDT;
57static FNDBGCCMD dbgcCmdDumpPageDir;
58static FNDBGCCMD dbgcCmdDumpPageDirBoth;
59static FNDBGCCMD dbgcCmdDumpPageHierarchy;
60static FNDBGCCMD dbgcCmdDumpPageTable;
61static FNDBGCCMD dbgcCmdDumpPageTableBoth;
62static FNDBGCCMD dbgcCmdDumpTSS;
63static FNDBGCCMD dbgcCmdDumpTypeInfo;
64static FNDBGCCMD dbgcCmdDumpTypedVal;
65static FNDBGCCMD dbgcCmdEditMem;
66static FNDBGCCMD dbgcCmdGo;
67static FNDBGCCMD dbgcCmdListModules;
68static FNDBGCCMD dbgcCmdListNear;
69static FNDBGCCMD dbgcCmdListSource;
70static FNDBGCCMD dbgcCmdMemoryInfo;
71static FNDBGCCMD dbgcCmdReg;
72static FNDBGCCMD dbgcCmdRegGuest;
73static FNDBGCCMD dbgcCmdRegHyper;
74static FNDBGCCMD dbgcCmdRegTerse;
75static FNDBGCCMD dbgcCmdSearchMem;
76static FNDBGCCMD dbgcCmdSearchMemType;
77static FNDBGCCMD dbgcCmdEventCtrl;
78static FNDBGCCMD dbgcCmdEventCtrlList;
79static FNDBGCCMD dbgcCmdEventCtrlReset;
80static FNDBGCCMD dbgcCmdStack;
81static FNDBGCCMD dbgcCmdTrace;
82static FNDBGCCMD dbgcCmdUnassemble;
83static FNDBGCCMD dbgcCmdUnassembleCfg;
84
85
86/*********************************************************************************************************************************
87* Global Variables *
88*********************************************************************************************************************************/
89/** 'ba' arguments. */
90static const DBGCVARDESC g_aArgBrkAcc[] =
91{
92 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
93 { 1, 1, DBGCVAR_CAT_STRING, 0, "access", "The access type: x=execute, rw=read/write (alias r), w=write, i=not implemented." },
94 { 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." },
95 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
96 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
97 { 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)" },
98 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
99};
100
101
102/** 'bc', 'bd', 'be' arguments. */
103static const DBGCVARDESC g_aArgBrks[] =
104{
105 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
106 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#bp", "Breakpoint number." },
107 { 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All breakpoints." },
108};
109
110
111/** 'bp' arguments. */
112static const DBGCVARDESC g_aArgBrkSet[] =
113{
114 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
115 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
116 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
117 { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "max passes", "The number of passes after which we stop triggering the breakpoint. (~0 is default)" },
118 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
119};
120
121
122/** 'br' arguments. */
123static const DBGCVARDESC g_aArgBrkREM[] =
124{
125 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
126 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
127 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
128 { 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)" },
129 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
130};
131
132
133/** 'd?' arguments. */
134static const DBGCVARDESC g_aArgDumpMem[] =
135{
136 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
137 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start dumping memory." },
138};
139
140
141/** 'dg', 'dga', 'dl', 'dla' arguments. */
142static const DBGCVARDESC g_aArgDumpDT[] =
143{
144 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
145 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "sel", "Selector or selector range." },
146 { 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Far address which selector should be dumped." },
147};
148
149
150/** 'di', 'dia' arguments. */
151static const DBGCVARDESC g_aArgDumpIDT[] =
152{
153 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
154 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "int", "The interrupt vector or interrupt vector range." },
155};
156
157
158/** 'dpd*' arguments. */
159static const DBGCVARDESC g_aArgDumpPD[] =
160{
161 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
162 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "index", "Index into the page directory." },
163 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from. Range is applied to the page directory." },
164};
165
166
167/** 'dpda' arguments. */
168static const DBGCVARDESC g_aArgDumpPDAddr[] =
169{
170 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
171 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page directory entry to start dumping from." },
172};
173
174
175/** 'dph*' arguments. */
176static const DBGCVARDESC g_aArgDumpPH[] =
177{
178 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
179 { 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." },
180 { 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." },
181 { 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." },
182};
183
184
185/** 'dpt?' arguments. */
186static const DBGCVARDESC g_aArgDumpPT[] =
187{
188 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
189 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from." },
190};
191
192
193/** 'dpta' arguments. */
194static const DBGCVARDESC g_aArgDumpPTAddr[] =
195{
196 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
197 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page table entry to start dumping from." },
198};
199
200
201/** 'dt' arguments. */
202static const DBGCVARDESC g_aArgDumpTSS[] =
203{
204 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
205 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "tss", "TSS selector number." },
206 { 0, 1, DBGCVAR_CAT_POINTER, 0, "tss:ign|addr", "TSS address. If the selector is a TSS selector, the offset will be ignored." }
207};
208
209
210/** 'dti' arguments. */
211static const DBGCVARDESC g_aArgDumpTypeInfo[] =
212{
213 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
214 { 1, 1, DBGCVAR_CAT_STRING, 0, "type", "The type to dump" },
215 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "levels", "How many levels to dump the type information" }
216};
217
218
219/** 'dtv' arguments. */
220static const DBGCVARDESC g_aArgDumpTypedVal[] =
221{
222 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
223 { 1, 1, DBGCVAR_CAT_STRING, 0, "type", "The type to use" },
224 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address to start dumping from." },
225 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "levels", "How many levels to dump" }
226};
227
228
229/** 'e?' arguments. */
230static const DBGCVARDESC g_aArgEditMem[] =
231{
232 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
233 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to write." },
234 { 1, ~0U, DBGCVAR_CAT_NUMBER, 0, "value", "Value to write." },
235};
236
237
238/** 'lm' arguments. */
239static const DBGCVARDESC g_aArgListMods[] =
240{
241 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
242 { 0, ~0U, DBGCVAR_CAT_STRING, 0, "module", "Module name." },
243};
244
245
246/** 'ln' arguments. */
247static const DBGCVARDESC g_aArgListNear[] =
248{
249 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
250 { 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Address of the symbol to look up." },
251 { 0, ~0U, DBGCVAR_CAT_SYMBOL, 0, "symbol", "Symbol to lookup." },
252};
253
254
255/** 'ls' arguments. */
256static const DBGCVARDESC g_aArgListSource[] =
257{
258 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
259 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start looking for source lines." },
260};
261
262
263/** 'm' argument. */
264static const DBGCVARDESC g_aArgMemoryInfo[] =
265{
266 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
267 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Pointer to obtain info about." },
268};
269
270
271/** 'r' arguments. */
272static const DBGCVARDESC g_aArgReg[] =
273{
274 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
275 { 0, 1, DBGCVAR_CAT_SYMBOL, 0, "register", "Register to show or set." },
276 { 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "=", "Equal sign." },
277 { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "value", "New register value." },
278};
279
280
281/** 's' arguments. */
282static const DBGCVARDESC g_aArgSearchMem[] =
283{
284 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
285 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-b", "Byte string." },
286 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-w", "Word string." },
287 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-d", "DWord string." },
288 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-q", "QWord string." },
289 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-a", "ASCII string." },
290 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-u", "Unicode string." },
291 { 0, 1, DBGCVAR_CAT_OPTION_NUMBER, 0, "-n <Hits>", "Maximum number of hits." },
292 { 0, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
293 { 0, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
294};
295
296
297/** 's?' arguments. */
298static const DBGCVARDESC g_aArgSearchMemType[] =
299{
300 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
301 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
302 { 1, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
303};
304
305
306/** 'sxe', 'sxn', 'sxi', 'sx-' arguments. */
307static const DBGCVARDESC g_aArgEventCtrl[] =
308{
309 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
310 { 0, 1, DBGCVAR_CAT_STRING, 0, "-c", "The -c option, requires <cmds>." },
311 { 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "cmds", "Command to execute on this event." },
312 { 0 /*weird*/, ~0U, DBGCVAR_CAT_STRING, 0, "event", "One or more events, 'all' refering to all events." },
313};
314
315/** 'sx' and 'sr' arguments. */
316static const DBGCVARDESC g_aArgEventCtrlOpt[] =
317{
318 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
319 { 0, ~0U, DBGCVAR_CAT_STRING, 0, "event", "Zero or more events, 'all' refering to all events and being the default." },
320};
321
322/** 'u' arguments. */
323static const DBGCVARDESC g_aArgUnassemble[] =
324{
325 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
326 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." },
327};
328
329/** 'ucfg' arguments. */
330static const DBGCVARDESC g_aArgUnassembleCfg[] =
331{
332 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
333 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." },
334};
335
336
337/** Command descriptors for the CodeView / WinDbg emulation.
338 * The emulation isn't attempting to be identical, only somewhat similar.
339 */
340const DBGCCMD g_aCmdsCodeView[] =
341{
342 /* pszCmd, cArgsMin, cArgsMax, paArgDescs, cArgDescs, fFlags, pfnHandler pszSyntax, ....pszDescription */
343 { "ba", 3, 6, &g_aArgBrkAcc[0], RT_ELEMENTS(g_aArgBrkAcc), 0, dbgcCmdBrkAccess, "<access> <size> <address> [passes [max passes]] [cmds]",
344 "Sets a data access breakpoint." },
345 { "bc", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkClear, "all | <bp#> [bp# []]", "Deletes a set of breakpoints." },
346 { "bd", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkDisable, "all | <bp#> [bp# []]", "Disables a set of breakpoints." },
347 { "be", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkEnable, "all | <bp#> [bp# []]", "Enables a set of breakpoints." },
348 { "bl", 0, 0, NULL, 0, 0, dbgcCmdBrkList, "", "Lists all the breakpoints." },
349 { "bp", 1, 4, &g_aArgBrkSet[0], RT_ELEMENTS(g_aArgBrkSet), 0, dbgcCmdBrkSet, "<address> [passes [max passes]] [cmds]",
350 "Sets a breakpoint (int 3)." },
351 { "br", 1, 4, &g_aArgBrkREM[0], RT_ELEMENTS(g_aArgBrkREM), 0, dbgcCmdBrkREM, "<address> [passes [max passes]] [cmds]",
352 "Sets a recompiler specific breakpoint." },
353 { "d", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory using last element size." },
354 { "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
355 { "db", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in bytes." },
356 { "dd", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in double words." },
357 { "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
358 { "dg", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT)." },
359 { "dga", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT) including not-present entries." },
360 { "di", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT)." },
361 { "dia", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT) including not-present entries." },
362 { "dl", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT)." },
363 { "dla", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT) including not-present entries." },
364 { "dpd", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the default context." },
365 { "dpda", 0, 1, &g_aArgDumpPDAddr[0],RT_ELEMENTS(g_aArgDumpPDAddr), 0, dbgcCmdDumpPageDir, "[addr]", "Dumps memory at given address as a page directory." },
366 { "dpdb", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDirBoth, "[addr|index]", "Dumps page directory entries of the guest and the hypervisor. " },
367 { "dpdg", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the guest." },
368 { "dpdh", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the hypervisor. " },
369 { "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." },
370 { "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." },
371 { "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." },
372 { "dpt", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the default context." },
373 { "dpta", 1, 1, &g_aArgDumpPTAddr[0],RT_ELEMENTS(g_aArgDumpPTAddr), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps memory at given address as a page table." },
374 { "dptb", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTableBoth,"<addr>", "Dumps page table entries of the guest and the hypervisor." },
375 { "dptg", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the guest." },
376 { "dpth", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the hypervisor." },
377 { "dq", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in quad words." },
378 { "dt", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the task state segment (TSS)." },
379 { "dt16", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 16-bit task state segment (TSS)." },
380 { "dt32", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 32-bit task state segment (TSS)." },
381 { "dt64", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 64-bit task state segment (TSS)." },
382 { "dti", 1, 2, &g_aArgDumpTypeInfo[0],RT_ELEMENTS(g_aArgDumpTypeInfo), 0, dbgcCmdDumpTypeInfo,"<type> [levels]", "Dump type information." },
383 { "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." },
384 { "dw", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in words." },
385 /** @todo add 'e', 'ea str', 'eza str', 'eu str' and 'ezu str'. See also
386 * dbgcCmdSearchMem and its dbgcVarsToBytes usage. */
387 { "eb", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 1-byte value to memory." },
388 { "ew", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 2-byte value to memory." },
389 { "ed", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 4-byte value to memory." },
390 { "eq", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 8-byte value to memory." },
391 { "g", 0, 0, NULL, 0, 0, dbgcCmdGo, "", "Continue execution." },
392 { "k", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack." },
393 { "kg", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - guest." },
394 { "kh", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - hypervisor." },
395 { "lm", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules." },
396 { "lmv", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules, verbose." },
397 { "lmo", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments." },
398 { "lmov", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments, verbose." },
399 { "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." },
400 { "ls", 0, 1, &g_aArgListSource[0],RT_ELEMENTS(g_aArgListSource), 0, dbgcCmdListSource, "[addr]", "Source." },
401 { "m", 1, 1, &g_aArgMemoryInfo[0],RT_ELEMENTS(g_aArgMemoryInfo), 0, dbgcCmdMemoryInfo, "<addr>", "Display information about that piece of memory." },
402 { "r", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdReg, "[reg [[=] newval]]", "Show or set register(s) - active reg set." },
403 { "rg", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegGuest, "[reg [[=] newval]]", "Show or set register(s) - guest reg set." },
404 { "rg32", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 32-bit guest registers." },
405 { "rg64", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 64-bit guest registers." },
406 { "rh", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegHyper, "[reg [[=] newval]]", "Show or set register(s) - hypervisor reg set." },
407 { "rt", 0, 0, NULL, 0, 0, dbgcCmdRegTerse, "", "Toggles terse / verbose register info." },
408 { "s", 0, ~0U, &g_aArgSearchMem[0], RT_ELEMENTS(g_aArgSearchMem), 0, dbgcCmdSearchMem, "[options] <range> <pattern>", "Continue last search." },
409 { "sa", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an ascii string." },
410 { "sb", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more bytes." },
411 { "sd", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more double words." },
412 { "sq", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more quad words." },
413 { "su", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an unicode string." },
414 { "sw", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more words." },
415 { "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." },
416 { "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." },
417 { "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." },
418 { "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." },
419 { "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." },
420 { "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." },
421 { "t", 0, 0, NULL, 0, 0, dbgcCmdTrace, "", "Instruction trace (step into)." },
422 { "u", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble." },
423 { "u64", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 64-bit code." },
424 { "u32", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 32-bit code." },
425 { "u16", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code." },
426 { "uv86", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code with v8086/real mode addressing." },
427 { "ucfg", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph." },
428 { "ucfgc", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph with colors." },
429};
430
431/** The number of commands in the CodeView/WinDbg emulation. */
432const uint32_t g_cCmdsCodeView = RT_ELEMENTS(g_aCmdsCodeView);
433
434
435/**
436 * Selectable debug event descriptors.
437 *
438 * @remarks Sorted by DBGCSXEVT::enmType value.
439 */
440const DBGCSXEVT g_aDbgcSxEvents[] =
441{
442 { DBGFEVENT_INTERRUPT_HARDWARE, "hwint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Hardware interrupt" },
443 { DBGFEVENT_INTERRUPT_SOFTWARE, "swint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Software interrupt" },
444 { DBGFEVENT_TRIPLE_FAULT, "triplefault", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Enabled, 0, "Triple fault "},
445 { DBGFEVENT_XCPT_DE, "xcpt_de", "de", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DE (integer divide error)" },
446 { DBGFEVENT_XCPT_DB, "xcpt_db", "db", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DB (debug)" },
447 { DBGFEVENT_XCPT_02, "xcpt_02", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
448 { DBGFEVENT_XCPT_BP, "xcpt_bp", "bp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BP (breakpoint)" },
449 { DBGFEVENT_XCPT_OF, "xcpt_of", "of", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#OF (overflow (INTO))" },
450 { DBGFEVENT_XCPT_BR, "xcpt_br", "br", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BR (bound range exceeded)" },
451 { DBGFEVENT_XCPT_UD, "xcpt_ud", "ud", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#UD (undefined opcode)" },
452 { DBGFEVENT_XCPT_NM, "xcpt_nm", "nm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#NM (FPU not available)" },
453 { DBGFEVENT_XCPT_DF, "xcpt_df", "df", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DF (double fault)" },
454 { DBGFEVENT_XCPT_09, "xcpt_09", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "Coprocessor segment overrun" },
455 { DBGFEVENT_XCPT_TS, "xcpt_ts", "ts", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#TS (task switch)" },
456 { DBGFEVENT_XCPT_NP, "xcpt_np", "np", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#NP (segment not present)" },
457 { DBGFEVENT_XCPT_SS, "xcpt_ss", "ss", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SS (stack segment fault)" },
458 { DBGFEVENT_XCPT_GP, "xcpt_gp", "gp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#GP (general protection fault)" },
459 { DBGFEVENT_XCPT_PF, "xcpt_pf", "pf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#PF (page fault)" },
460 { DBGFEVENT_XCPT_0f, "xcpt_0f", "xcpt0f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
461 { DBGFEVENT_XCPT_MF, "xcpt_mf", "mf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MF (math fault)" },
462 { DBGFEVENT_XCPT_AC, "xcpt_ac", "ac", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#AC (alignment check)" },
463 { DBGFEVENT_XCPT_MC, "xcpt_mc", "mc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MC (machine check)" },
464 { DBGFEVENT_XCPT_XF, "xcpt_xf", "xf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#XF (SIMD floating-point exception)" },
465 { DBGFEVENT_XCPT_VE, "xcpt_vd", "ve", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#VE (virtualization exception)" },
466 { DBGFEVENT_XCPT_15, "xcpt_15", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
467 { DBGFEVENT_XCPT_16, "xcpt_16", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
468 { DBGFEVENT_XCPT_17, "xcpt_17", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
469 { DBGFEVENT_XCPT_18, "xcpt_18", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
470 { DBGFEVENT_XCPT_19, "xcpt_19", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
471 { DBGFEVENT_XCPT_1a, "xcpt_1a", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
472 { DBGFEVENT_XCPT_1b, "xcpt_1b", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
473 { DBGFEVENT_XCPT_1c, "xcpt_1c", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
474 { DBGFEVENT_XCPT_1d, "xcpt_1d", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
475 { DBGFEVENT_XCPT_SX, "xcpt_sx", "sx", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SX (security exception)" },
476 { DBGFEVENT_XCPT_1f, "xcpt_1f", "xcpt1f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
477 { DBGFEVENT_INSTR_HALT, "instr_halt", "hlt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
478 { DBGFEVENT_INSTR_MWAIT, "instr_mwait", "mwait", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
479 { DBGFEVENT_INSTR_MONITOR, "instr_monitor", "monitor", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
480 { DBGFEVENT_INSTR_CPUID, "instr_cpuid", "cpuid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
481 { DBGFEVENT_INSTR_INVD, "instr_invd", "invd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
482 { DBGFEVENT_INSTR_WBINVD, "instr_wbinvd", "wbinvd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
483 { DBGFEVENT_INSTR_INVLPG, "instr_invlpg", "invlpg", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
484 { DBGFEVENT_INSTR_RDTSC, "instr_rdtsc", "rdtsc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
485 { DBGFEVENT_INSTR_RDTSCP, "instr_rdtscp", "rdtscp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
486 { DBGFEVENT_INSTR_RDPMC, "instr_rdpmc", "rdpmc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
487 { DBGFEVENT_INSTR_RDMSR, "instr_rdmsr", "rdmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
488 { DBGFEVENT_INSTR_WRMSR, "instr_wrmsr", "wrmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
489 { DBGFEVENT_INSTR_CRX_READ, "instr_crx_read", "crx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
490 { DBGFEVENT_INSTR_CRX_WRITE, "instr_crx_write", "crx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
491 { DBGFEVENT_INSTR_DRX_READ, "instr_drx_read", "drx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
492 { DBGFEVENT_INSTR_DRX_WRITE, "instr_drx_write", "drx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
493 { DBGFEVENT_INSTR_PAUSE, "instr_pause", "pause", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
494 { DBGFEVENT_INSTR_XSETBV, "instr_xsetbv", "xsetbv", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
495 { DBGFEVENT_INSTR_SIDT, "instr_sidt", "sidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
496 { DBGFEVENT_INSTR_LIDT, "instr_lidt", "lidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
497 { DBGFEVENT_INSTR_SGDT, "instr_sgdt", "sgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
498 { DBGFEVENT_INSTR_LGDT, "instr_lgdt", "lgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
499 { DBGFEVENT_INSTR_SLDT, "instr_sldt", "sldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
500 { DBGFEVENT_INSTR_LLDT, "instr_lldt", "lldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
501 { DBGFEVENT_INSTR_STR, "instr_str", "str", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
502 { DBGFEVENT_INSTR_LTR, "instr_ltr", "ltr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
503 { DBGFEVENT_INSTR_GETSEC, "instr_getsec", "getsec", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
504 { DBGFEVENT_INSTR_RSM, "instr_rsm", "rsm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
505 { DBGFEVENT_INSTR_RDRAND, "instr_rdrand", "rdrand", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
506 { DBGFEVENT_INSTR_RDSEED, "instr_rdseed", "rdseed", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
507 { DBGFEVENT_INSTR_XSAVES, "instr_xsaves", "xsaves", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
508 { DBGFEVENT_INSTR_XRSTORS, "instr_xrstors", "xrstors", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
509 { DBGFEVENT_INSTR_VMM_CALL, "instr_vmm_call", "vmm_call", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
510 { DBGFEVENT_INSTR_VMX_VMCLEAR, "instr_vmx_vmclear", "vmclear", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
511 { DBGFEVENT_INSTR_VMX_VMLAUNCH, "instr_vmx_vmlaunch", "vmlaunch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
512 { DBGFEVENT_INSTR_VMX_VMPTRLD, "instr_vmx_vmptrld", "vmptrld", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
513 { DBGFEVENT_INSTR_VMX_VMPTRST, "instr_vmx_vmptrst", "vmptrst", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
514 { DBGFEVENT_INSTR_VMX_VMREAD, "instr_vmx_vmread", "vmread", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
515 { DBGFEVENT_INSTR_VMX_VMRESUME, "instr_vmx_vmresume", "vmresume", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
516 { DBGFEVENT_INSTR_VMX_VMWRITE, "instr_vmx_vmwrite", "vmwrite", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
517 { DBGFEVENT_INSTR_VMX_VMXOFF, "instr_vmx_vmxoff", "vmxoff", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
518 { DBGFEVENT_INSTR_VMX_VMXON, "instr_vmx_vmxon", "vmxon", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
519 { DBGFEVENT_INSTR_VMX_VMFUNC, "instr_vmx_vmfunc", "vmfunc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
520 { DBGFEVENT_INSTR_VMX_INVEPT, "instr_vmx_invept", "invept", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
521 { DBGFEVENT_INSTR_VMX_INVVPID, "instr_vmx_invvpid", "invvpid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
522 { DBGFEVENT_INSTR_VMX_INVPCID, "instr_vmx_invpcid", "invpcid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
523 { DBGFEVENT_INSTR_SVM_VMRUN, "instr_svm_vmrun", "vmrun", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
524 { DBGFEVENT_INSTR_SVM_VMLOAD, "instr_svm_vmload", "vmload", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
525 { DBGFEVENT_INSTR_SVM_VMSAVE, "instr_svm_vmsave", "vmsave", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
526 { DBGFEVENT_INSTR_SVM_STGI, "instr_svm_stgi", "stgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
527 { DBGFEVENT_INSTR_SVM_CLGI, "instr_svm_clgi", "clgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
528 { DBGFEVENT_EXIT_TASK_SWITCH, "exit_task_switch", "task_switch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
529 { DBGFEVENT_EXIT_HALT, "exit_halt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
530 { DBGFEVENT_EXIT_MWAIT, "exit_mwait", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
531 { DBGFEVENT_EXIT_MONITOR, "exit_monitor", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
532 { DBGFEVENT_EXIT_CPUID, "exit_cpuid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
533 { DBGFEVENT_EXIT_INVD, "exit_invd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
534 { DBGFEVENT_EXIT_WBINVD, "exit_wbinvd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
535 { DBGFEVENT_EXIT_INVLPG, "exit_invlpg", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
536 { DBGFEVENT_EXIT_RDTSC, "exit_rdtsc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
537 { DBGFEVENT_EXIT_RDTSCP, "exit_rdtscp", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
538 { DBGFEVENT_EXIT_RDPMC, "exit_rdpmc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
539 { DBGFEVENT_EXIT_RDMSR, "exit_rdmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
540 { DBGFEVENT_EXIT_WRMSR, "exit_wrmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
541 { DBGFEVENT_EXIT_CRX_READ, "exit_crx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
542 { DBGFEVENT_EXIT_CRX_WRITE, "exit_crx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
543 { DBGFEVENT_EXIT_DRX_READ, "exit_drx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
544 { DBGFEVENT_EXIT_DRX_WRITE, "exit_drx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
545 { DBGFEVENT_EXIT_PAUSE, "exit_pause", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
546 { DBGFEVENT_EXIT_XSETBV, "exit_xsetbv", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
547 { DBGFEVENT_EXIT_SIDT, "exit_sidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
548 { DBGFEVENT_EXIT_LIDT, "exit_lidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
549 { DBGFEVENT_EXIT_SGDT, "exit_sgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
550 { DBGFEVENT_EXIT_LGDT, "exit_lgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
551 { DBGFEVENT_EXIT_SLDT, "exit_sldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
552 { DBGFEVENT_EXIT_LLDT, "exit_lldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
553 { DBGFEVENT_EXIT_STR, "exit_str", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
554 { DBGFEVENT_EXIT_LTR, "exit_ltr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
555 { DBGFEVENT_EXIT_GETSEC, "exit_getsec", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
556 { DBGFEVENT_EXIT_RSM, "exit_rsm", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
557 { DBGFEVENT_EXIT_RDRAND, "exit_rdrand", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
558 { DBGFEVENT_EXIT_RDSEED, "exit_rdseed", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
559 { DBGFEVENT_EXIT_XSAVES, "exit_xsaves", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
560 { DBGFEVENT_EXIT_XRSTORS, "exit_xrstors", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
561 { DBGFEVENT_EXIT_VMM_CALL, "exit_vmm_call", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
562 { DBGFEVENT_EXIT_VMX_VMCLEAR, "exit_vmx_vmclear", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
563 { DBGFEVENT_EXIT_VMX_VMLAUNCH, "exit_vmx_vmlaunch", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
564 { DBGFEVENT_EXIT_VMX_VMPTRLD, "exit_vmx_vmptrld", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
565 { DBGFEVENT_EXIT_VMX_VMPTRST, "exit_vmx_vmptrst", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
566 { DBGFEVENT_EXIT_VMX_VMREAD, "exit_vmx_vmread", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
567 { DBGFEVENT_EXIT_VMX_VMRESUME, "exit_vmx_vmresume", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
568 { DBGFEVENT_EXIT_VMX_VMWRITE, "exit_vmx_vmwrite", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
569 { DBGFEVENT_EXIT_VMX_VMXOFF, "exit_vmx_vmxoff", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
570 { DBGFEVENT_EXIT_VMX_VMXON, "exit_vmx_vmxon", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
571 { DBGFEVENT_EXIT_VMX_VMFUNC, "exit_vmx_vmfunc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
572 { DBGFEVENT_EXIT_VMX_INVEPT, "exit_vmx_invept", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
573 { DBGFEVENT_EXIT_VMX_INVVPID, "exit_vmx_invvpid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
574 { DBGFEVENT_EXIT_VMX_INVPCID, "exit_vmx_invpcid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
575 { DBGFEVENT_EXIT_VMX_EPT_VIOLATION, "exit_vmx_ept_violation", "eptvio", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
576 { DBGFEVENT_EXIT_VMX_EPT_MISCONFIG, "exit_vmx_ept_misconfig", "eptmis", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
577 { DBGFEVENT_EXIT_VMX_VAPIC_ACCESS, "exit_vmx_vapic_access", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
578 { DBGFEVENT_EXIT_VMX_VAPIC_WRITE, "exit_vmx_vapic_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
579 { DBGFEVENT_EXIT_SVM_VMRUN, "exit_svm_vmrun", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
580 { DBGFEVENT_EXIT_SVM_VMLOAD, "exit_svm_vmload", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
581 { DBGFEVENT_EXIT_SVM_VMSAVE, "exit_svm_vmsave", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
582 { DBGFEVENT_EXIT_SVM_STGI, "exit_svm_stgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
583 { DBGFEVENT_EXIT_SVM_CLGI, "exit_svm_clgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
584 { DBGFEVENT_IOPORT_UNASSIGNED, "pio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
585 { DBGFEVENT_IOPORT_UNUSED, "pio_unused", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
586 { DBGFEVENT_MEMORY_UNASSIGNED, "mmio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
587 { DBGFEVENT_MEMORY_ROM_WRITE, "rom_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
588 { DBGFEVENT_BSOD_MSR, "bsod_msr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
589 { DBGFEVENT_BSOD_EFI, "bsod_efi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
590};
591/** Number of entries in g_aDbgcSxEvents. */
592const uint32_t g_cDbgcSxEvents = RT_ELEMENTS(g_aDbgcSxEvents);
593
594
595
596/**
597 * @callback_method_impl{FNDBGCCMD, The 'go' command.}
598 */
599static DECLCALLBACK(int) dbgcCmdGo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
600{
601 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
602
603 /*
604 * Check if the VM is halted or not before trying to resume it.
605 */
606 if (!DBGFR3IsHalted(pUVM))
607 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The VM is already running");
608
609 int rc = DBGFR3Resume(pUVM);
610 if (RT_FAILURE(rc))
611 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3Resume");
612
613 NOREF(paArgs); NOREF(cArgs);
614 return VINF_SUCCESS;
615}
616
617
618/**
619 * @callback_method_impl{FNDBGCCMD, The 'ba' command.}
620 */
621static DECLCALLBACK(int) dbgcCmdBrkAccess(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
622{
623 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
624
625 /*
626 * Interpret access type.
627 */
628 if ( !strchr("xrwi", paArgs[0].u.pszString[0])
629 || paArgs[0].u.pszString[1])
630 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access type '%s' for '%s'. Valid types are 'e', 'r', 'w' and 'i'",
631 paArgs[0].u.pszString, pCmd->pszCmd);
632 uint8_t fType = 0;
633 switch (paArgs[0].u.pszString[0])
634 {
635 case 'x': fType = X86_DR7_RW_EO; break;
636 case 'r': fType = X86_DR7_RW_RW; break;
637 case 'w': fType = X86_DR7_RW_WO; break;
638 case 'i': fType = X86_DR7_RW_IO; break;
639 }
640
641 /*
642 * Validate size.
643 */
644 if (fType == X86_DR7_RW_EO && paArgs[1].u.u64Number != 1)
645 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 'x' access type requires size 1!",
646 paArgs[1].u.u64Number, pCmd->pszCmd);
647 switch (paArgs[1].u.u64Number)
648 {
649 case 1:
650 case 2:
651 case 4:
652 break;
653 /*case 8: - later*/
654 default:
655 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 1, 2 or 4!",
656 paArgs[1].u.u64Number, pCmd->pszCmd);
657 }
658 uint8_t cb = (uint8_t)paArgs[1].u.u64Number;
659
660 /*
661 * Convert the pointer to a DBGF address.
662 */
663 DBGFADDRESS Address;
664 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[2], &Address);
665 if (RT_FAILURE(rc))
666 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%DV,)", &paArgs[2]);
667
668 /*
669 * Pick out the optional arguments.
670 */
671 uint64_t iHitTrigger = 0;
672 uint64_t iHitDisable = UINT64_MAX;
673 const char *pszCmds = NULL;
674 unsigned iArg = 3;
675 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
676 {
677 iHitTrigger = paArgs[iArg].u.u64Number;
678 iArg++;
679 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
680 {
681 iHitDisable = paArgs[iArg].u.u64Number;
682 iArg++;
683 }
684 }
685 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
686 {
687 pszCmds = paArgs[iArg].u.pszString;
688 iArg++;
689 }
690
691 /*
692 * Try set the breakpoint.
693 */
694 uint32_t iBp;
695 rc = DBGFR3BpSetReg(pUVM, &Address, iHitTrigger, iHitDisable, fType, cb, &iBp);
696 if (RT_SUCCESS(rc))
697 {
698 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
699 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
700 if (RT_SUCCESS(rc))
701 return DBGCCmdHlpPrintf(pCmdHlp, "Set access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
702 if (rc == VERR_DBGC_BP_EXISTS)
703 {
704 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
705 if (RT_SUCCESS(rc))
706 return DBGCCmdHlpPrintf(pCmdHlp, "Updated access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
707 }
708 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
709 AssertRC(rc2);
710 }
711 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set access breakpoint at %RGv", Address.FlatPtr);
712}
713
714
715/**
716 * @callback_method_impl{FNDBGCCMD, The 'bc' command.}
717 */
718static DECLCALLBACK(int) dbgcCmdBrkClear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
719{
720 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
721
722 /*
723 * Enumerate the arguments.
724 */
725 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
726 int rc = VINF_SUCCESS;
727 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
728 {
729 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
730 {
731 /* one */
732 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
733 if (iBp == paArgs[iArg].u.u64Number)
734 {
735 int rc2 = DBGFR3BpClear(pUVM, iBp);
736 if (RT_FAILURE(rc2))
737 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
738 if (RT_SUCCESS(rc2) || rc2 == VERR_DBGF_BP_NOT_FOUND)
739 dbgcBpDelete(pDbgc, iBp);
740 }
741 else
742 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
743 }
744 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
745 {
746 /* all */
747 PDBGCBP pBp = pDbgc->pFirstBp;
748 while (pBp)
749 {
750 uint32_t iBp = pBp->iBp;
751 pBp = pBp->pNext;
752
753 int rc2 = DBGFR3BpClear(pUVM, iBp);
754 if (RT_FAILURE(rc2))
755 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
756 if (RT_SUCCESS(rc2) || rc2 == VERR_DBGF_BP_NOT_FOUND)
757 dbgcBpDelete(pDbgc, iBp);
758 }
759 }
760 else
761 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
762 }
763 return rc;
764}
765
766
767/**
768 * @callback_method_impl{FNDBGCCMD, The 'bd' command.}
769 */
770static DECLCALLBACK(int) dbgcCmdBrkDisable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
771{
772 /*
773 * Enumerate the arguments.
774 */
775 int rc = VINF_SUCCESS;
776 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
777 {
778 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
779 {
780 /* one */
781 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
782 if (iBp == paArgs[iArg].u.u64Number)
783 {
784 rc = DBGFR3BpDisable(pUVM, iBp);
785 if (RT_FAILURE(rc))
786 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpDisable failed for breakpoint %#x", iBp);
787 }
788 else
789 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
790 }
791 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
792 {
793 /* all */
794 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
795 for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
796 {
797 int rc2 = DBGFR3BpDisable(pUVM, pBp->iBp);
798 if (RT_FAILURE(rc2))
799 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpDisable failed for breakpoint %#x", pBp->iBp);
800 }
801 }
802 else
803 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
804 }
805 return rc;
806}
807
808
809/**
810 * @callback_method_impl{FNDBGCCMD, The 'be' command.}
811 */
812static DECLCALLBACK(int) dbgcCmdBrkEnable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
813{
814 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
815
816 /*
817 * Enumerate the arguments.
818 */
819 int rc = VINF_SUCCESS;
820 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
821 {
822 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
823 {
824 /* one */
825 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
826 if (iBp == paArgs[iArg].u.u64Number)
827 {
828 rc = DBGFR3BpEnable(pUVM, iBp);
829 if (RT_FAILURE(rc))
830 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnable failed for breakpoint %#x", iBp);
831 }
832 else
833 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
834 }
835 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
836 {
837 /* all */
838 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
839 for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
840 {
841 int rc2 = DBGFR3BpEnable(pUVM, pBp->iBp);
842 if (RT_FAILURE(rc2))
843 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpEnable failed for breakpoint %#x", pBp->iBp);
844 }
845 }
846 else
847 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
848 }
849 return rc;
850}
851
852
853/**
854 * Breakpoint enumeration callback function.
855 *
856 * @returns VBox status code. Any failure will stop the enumeration.
857 * @param pUVM The user mode VM handle.
858 * @param pvUser The user argument.
859 * @param pBp Pointer to the breakpoint information. (readonly)
860 */
861static DECLCALLBACK(int) dbgcEnumBreakpointsCallback(PUVM pUVM, void *pvUser, PCDBGFBP pBp)
862{
863 PDBGC pDbgc = (PDBGC)pvUser;
864 PDBGCBP pDbgcBp = dbgcBpGet(pDbgc, pBp->iBp);
865
866 /*
867 * BP type and size.
868 */
869 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%#4x %c ", pBp->iBp, pBp->fEnabled ? 'e' : 'd');
870 bool fHasAddress = false;
871 switch (pBp->enmType)
872 {
873 case DBGFBPTYPE_INT3:
874 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " p %RGv", pBp->u.Int3.GCPtr);
875 fHasAddress = true;
876 break;
877 case DBGFBPTYPE_REG:
878 {
879 char chType;
880 switch (pBp->u.Reg.fType)
881 {
882 case X86_DR7_RW_EO: chType = 'x'; break;
883 case X86_DR7_RW_WO: chType = 'w'; break;
884 case X86_DR7_RW_IO: chType = 'i'; break;
885 case X86_DR7_RW_RW: chType = 'r'; break;
886 default: chType = '?'; break;
887
888 }
889 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%d %c %RGv", pBp->u.Reg.cb, chType, pBp->u.Reg.GCPtr);
890 fHasAddress = true;
891 break;
892 }
893
894 case DBGFBPTYPE_REM:
895 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " r %RGv", pBp->u.Rem.GCPtr);
896 fHasAddress = true;
897 break;
898
899/** @todo realign the list when I/O and MMIO breakpoint command have been added and it's possible to test this code. */
900 case DBGFBPTYPE_PORT_IO:
901 case DBGFBPTYPE_MMIO:
902 {
903 uint32_t fAccess = pBp->enmType == DBGFBPTYPE_PORT_IO ? pBp->u.PortIo.fAccess : pBp->u.Mmio.fAccess;
904 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, pBp->enmType == DBGFBPTYPE_PORT_IO ? " i" : " m");
905 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
906 fAccess & DBGFBPIOACCESS_READ_MASK ? 'r' : '-',
907 fAccess & DBGFBPIOACCESS_READ_BYTE ? '1' : '-',
908 fAccess & DBGFBPIOACCESS_READ_WORD ? '2' : '-',
909 fAccess & DBGFBPIOACCESS_READ_DWORD ? '4' : '-',
910 fAccess & DBGFBPIOACCESS_READ_QWORD ? '8' : '-',
911 fAccess & DBGFBPIOACCESS_READ_OTHER ? '+' : '-');
912 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
913 fAccess & DBGFBPIOACCESS_WRITE_MASK ? 'w' : '-',
914 fAccess & DBGFBPIOACCESS_WRITE_BYTE ? '1' : '-',
915 fAccess & DBGFBPIOACCESS_WRITE_WORD ? '2' : '-',
916 fAccess & DBGFBPIOACCESS_WRITE_DWORD ? '4' : '-',
917 fAccess & DBGFBPIOACCESS_WRITE_QWORD ? '8' : '-',
918 fAccess & DBGFBPIOACCESS_WRITE_OTHER ? '+' : '-');
919 if (pBp->enmType == DBGFBPTYPE_PORT_IO)
920 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04x-%04x",
921 pBp->u.PortIo.uPort, pBp->u.PortIo.uPort + pBp->u.PortIo.cPorts - 1);
922 else
923 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%RGp LB %03x", pBp->u.Mmio.PhysAddr, pBp->u.Mmio.cb);
924 break;
925 }
926
927 default:
928 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " unknown type %d!!", pBp->enmType);
929 AssertFailed();
930 break;
931
932 }
933 if (pBp->iHitDisable == ~(uint64_t)0)
934 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to ~0) ", pBp->cHits, pBp->iHitTrigger);
935 else
936 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to %04RX64)", pBp->cHits, pBp->iHitTrigger, pBp->iHitDisable);
937
938 /*
939 * Try resolve the address if it has one.
940 */
941 if (fHasAddress)
942 {
943 RTDBGSYMBOL Sym;
944 RTINTPTR off;
945 DBGFADDRESS Addr;
946 int rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, pBp->u.GCPtr),
947 RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL, &off, &Sym, NULL);
948 if (RT_SUCCESS(rc))
949 {
950 if (!off)
951 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s", Sym.szName);
952 else if (off > 0)
953 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s+%RGv", Sym.szName, off);
954 else
955 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s-%RGv", Sym.szName, -off);
956 }
957 }
958
959 /*
960 * The commands.
961 */
962 if (pDbgcBp)
963 {
964 if (pDbgcBp->cchCmd)
965 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n cmds: '%s'\n", pDbgcBp->szCmd);
966 else
967 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n");
968 }
969 else
970 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " [unknown bp]\n");
971
972 return VINF_SUCCESS;
973}
974
975
976/**
977 * @callback_method_impl{FNDBGCCMD, The 'bl' command.}
978 */
979static DECLCALLBACK(int) dbgcCmdBrkList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
980{
981 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
982 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs == 0);
983 NOREF(paArgs);
984
985 /*
986 * Enumerate the breakpoints.
987 */
988 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
989 int rc = DBGFR3BpEnum(pUVM, dbgcEnumBreakpointsCallback, pDbgc);
990 if (RT_FAILURE(rc))
991 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnum");
992 return rc;
993}
994
995
996/**
997 * @callback_method_impl{FNDBGCCMD, The 'bp' command.}
998 */
999static DECLCALLBACK(int) dbgcCmdBrkSet(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1000{
1001 /*
1002 * Convert the pointer to a DBGF address.
1003 */
1004 DBGFADDRESS Address;
1005 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1006 if (RT_FAILURE(rc))
1007 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1008
1009 /*
1010 * Pick out the optional arguments.
1011 */
1012 uint64_t iHitTrigger = 0;
1013 uint64_t iHitDisable = UINT64_MAX;
1014 const char *pszCmds = NULL;
1015 unsigned iArg = 1;
1016 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1017 {
1018 iHitTrigger = paArgs[iArg].u.u64Number;
1019 iArg++;
1020 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1021 {
1022 iHitDisable = paArgs[iArg].u.u64Number;
1023 iArg++;
1024 }
1025 }
1026 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1027 {
1028 pszCmds = paArgs[iArg].u.pszString;
1029 iArg++;
1030 }
1031
1032 /*
1033 * Try set the breakpoint.
1034 */
1035 uint32_t iBp;
1036 rc = DBGFR3BpSet(pUVM, &Address, iHitTrigger, iHitDisable, &iBp);
1037 if (RT_SUCCESS(rc))
1038 {
1039 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1040 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1041 if (RT_SUCCESS(rc))
1042 return DBGCCmdHlpPrintf(pCmdHlp, "Set breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1043 if (rc == VERR_DBGC_BP_EXISTS)
1044 {
1045 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1046 if (RT_SUCCESS(rc))
1047 return DBGCCmdHlpPrintf(pCmdHlp, "Updated breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1048 }
1049 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1050 AssertRC(rc2);
1051 }
1052 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set breakpoint at %RGv", Address.FlatPtr);
1053}
1054
1055
1056/**
1057 * @callback_method_impl{FNDBGCCMD, The 'br' command.}
1058 */
1059static DECLCALLBACK(int) dbgcCmdBrkREM(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1060{
1061 /*
1062 * Convert the pointer to a DBGF address.
1063 */
1064 DBGFADDRESS Address;
1065 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1066 if (RT_FAILURE(rc))
1067 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1068
1069 /*
1070 * Pick out the optional arguments.
1071 */
1072 uint64_t iHitTrigger = 0;
1073 uint64_t iHitDisable = UINT64_MAX;
1074 const char *pszCmds = NULL;
1075 unsigned iArg = 1;
1076 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1077 {
1078 iHitTrigger = paArgs[iArg].u.u64Number;
1079 iArg++;
1080 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1081 {
1082 iHitDisable = paArgs[iArg].u.u64Number;
1083 iArg++;
1084 }
1085 }
1086 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1087 {
1088 pszCmds = paArgs[iArg].u.pszString;
1089 iArg++;
1090 }
1091
1092 /*
1093 * Try set the breakpoint.
1094 */
1095 uint32_t iBp;
1096 rc = DBGFR3BpSetREM(pUVM, &Address, iHitTrigger, iHitDisable, &iBp);
1097 if (RT_SUCCESS(rc))
1098 {
1099 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1100 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1101 if (RT_SUCCESS(rc))
1102 return DBGCCmdHlpPrintf(pCmdHlp, "Set REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1103 if (rc == VERR_DBGC_BP_EXISTS)
1104 {
1105 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1106 if (RT_SUCCESS(rc))
1107 return DBGCCmdHlpPrintf(pCmdHlp, "Updated REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1108 }
1109 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1110 AssertRC(rc2);
1111 }
1112 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set REM breakpoint at %RGv", Address.FlatPtr);
1113}
1114
1115
1116/**
1117 * Helps the unassmble ('u') command display symbols it starts at and passes.
1118 *
1119 * @param pUVM The user mode VM handle.
1120 * @param pCmdHlp The command helpers for printing via.
1121 * @param hDbgAs The address space to look up addresses in.
1122 * @param pAddress The current address.
1123 * @param pcbCallAgain Where to return the distance to the next check (in
1124 * instruction bytes).
1125 */
1126static void dbgcCmdUnassambleHelpListNear(PUVM pUVM, PDBGCCMDHLP pCmdHlp, RTDBGAS hDbgAs, PCDBGFADDRESS pAddress,
1127 PRTUINTPTR pcbCallAgain)
1128{
1129 RTDBGSYMBOL Symbol;
1130 RTGCINTPTR offDispSym;
1131 int rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress, RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL, &offDispSym, &Symbol, NULL);
1132 if (RT_FAILURE(rc) || offDispSym > _1G)
1133 rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress, RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL, &offDispSym, &Symbol, NULL);
1134 if (RT_SUCCESS(rc) && offDispSym < _1G)
1135 {
1136 if (!offDispSym)
1137 {
1138 DBGCCmdHlpPrintf(pCmdHlp, "%s:\n", Symbol.szName);
1139 *pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb;
1140 }
1141 else if (offDispSym > 0)
1142 {
1143 DBGCCmdHlpPrintf(pCmdHlp, "%s+%#llx:\n", Symbol.szName, (uint64_t)offDispSym);
1144 *pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb > (RTGCUINTPTR)offDispSym ? Symbol.cb - (RTGCUINTPTR)offDispSym : 1;
1145 }
1146 else
1147 {
1148 DBGCCmdHlpPrintf(pCmdHlp, "%s-%#llx:\n", Symbol.szName, (uint64_t)-offDispSym);
1149 *pcbCallAgain = !Symbol.cb ? 64 : (RTGCUINTPTR)-offDispSym + Symbol.cb;
1150 }
1151 }
1152 else
1153 *pcbCallAgain = UINT32_MAX;
1154}
1155
1156
1157/**
1158 * @callback_method_impl{FNDBGCCMD, The 'u' command.}
1159 */
1160static DECLCALLBACK(int) dbgcCmdUnassemble(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1161{
1162 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1163
1164 /*
1165 * Validate input.
1166 */
1167 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1168 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
1169 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
1170
1171 if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1172 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
1173
1174 /*
1175 * Check the desired mode.
1176 */
1177 unsigned fFlags = DBGF_DISAS_FLAGS_NO_ADDRESS | DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
1178 switch (pCmd->pszCmd[1])
1179 {
1180 default: AssertFailed();
1181 case '\0': fFlags |= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
1182 case '6': fFlags |= DBGF_DISAS_FLAGS_64BIT_MODE; break;
1183 case '3': fFlags |= DBGF_DISAS_FLAGS_32BIT_MODE; break;
1184 case '1': fFlags |= DBGF_DISAS_FLAGS_16BIT_MODE; break;
1185 case 'v': fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
1186 }
1187
1188 /** @todo should use DBGFADDRESS for everything */
1189
1190 /*
1191 * Find address.
1192 */
1193 if (!cArgs)
1194 {
1195 if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1196 {
1197 /** @todo Batch query CS, RIP, CPU mode and flags. */
1198 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
1199 if ( pDbgc->fRegCtxGuest
1200 && CPUMIsGuestIn64BitCode(pVCpu))
1201 {
1202 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
1203 pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
1204 }
1205 else
1206 {
1207 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
1208 pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
1209 pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
1210 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
1211 && pDbgc->fRegCtxGuest
1212 && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
1213 {
1214 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1215 fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
1216 }
1217 }
1218
1219 if (pDbgc->fRegCtxGuest)
1220 fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST;
1221 else
1222 fFlags |= DBGF_DISAS_FLAGS_CURRENT_HYPER | DBGF_DISAS_FLAGS_HYPER;
1223 }
1224 else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
1225 {
1226 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1227 fFlags |= pDbgc->fDisasm & (DBGF_DISAS_FLAGS_MODE_MASK | DBGF_DISAS_FLAGS_HYPER);
1228 }
1229 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
1230 }
1231 else
1232 pDbgc->DisasmPos = paArgs[0];
1233 pDbgc->pLastPos = &pDbgc->DisasmPos;
1234
1235 /*
1236 * Range.
1237 */
1238 switch (pDbgc->DisasmPos.enmRangeType)
1239 {
1240 case DBGCVAR_RANGE_NONE:
1241 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
1242 pDbgc->DisasmPos.u64Range = 10;
1243 break;
1244
1245 case DBGCVAR_RANGE_ELEMENTS:
1246 if (pDbgc->DisasmPos.u64Range > 2048)
1247 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
1248 break;
1249
1250 case DBGCVAR_RANGE_BYTES:
1251 if (pDbgc->DisasmPos.u64Range > 65536)
1252 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
1253 break;
1254
1255 default:
1256 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
1257 }
1258
1259 /*
1260 * Convert physical and host addresses to guest addresses.
1261 */
1262 RTDBGAS hDbgAs = pDbgc->hDbgAs;
1263 int rc;
1264 switch (pDbgc->DisasmPos.enmType)
1265 {
1266 case DBGCVAR_TYPE_GC_FLAT:
1267 case DBGCVAR_TYPE_GC_FAR:
1268 break;
1269 case DBGCVAR_TYPE_GC_PHYS:
1270 hDbgAs = DBGF_AS_PHYS;
1271 case DBGCVAR_TYPE_HC_FLAT:
1272 case DBGCVAR_TYPE_HC_PHYS:
1273 {
1274 DBGCVAR VarTmp;
1275 rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
1276 if (RT_FAILURE(rc))
1277 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
1278 pDbgc->DisasmPos = VarTmp;
1279 break;
1280 }
1281 default: AssertFailed(); break;
1282 }
1283
1284 DBGFADDRESS CurAddr;
1285 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1286 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1287 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1288 else
1289 {
1290 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1291 if (RT_FAILURE(rc))
1292 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
1293 }
1294
1295 if (CurAddr.fFlags & DBGFADDRESS_FLAGS_HMA)
1296 fFlags |= DBGF_DISAS_FLAGS_HYPER; /* This crap is due to not using DBGFADDRESS as DBGFR3Disas* input. */
1297 pDbgc->fDisasm = fFlags;
1298
1299 /*
1300 * Figure out where we are and display it. Also calculate when we need to
1301 * check for a new symbol if possible.
1302 */
1303 RTGCUINTPTR cbCheckSymbol;
1304 dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1305
1306 /*
1307 * Do the disassembling.
1308 */
1309 unsigned cTries = 32;
1310 int iRangeLeft = (int)pDbgc->DisasmPos.u64Range;
1311 if (iRangeLeft == 0) /* kludge for 'r'. */
1312 iRangeLeft = -1;
1313 for (;;)
1314 {
1315 /*
1316 * Disassemble the instruction.
1317 */
1318 char szDis[256];
1319 uint32_t cbInstr = 1;
1320 if (pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FLAT)
1321 rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, DBGF_SEL_FLAT, pDbgc->DisasmPos.u.GCFlat, fFlags,
1322 &szDis[0], sizeof(szDis), &cbInstr);
1323 else
1324 rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, pDbgc->DisasmPos.u.GCFar.sel, pDbgc->DisasmPos.u.GCFar.off, fFlags,
1325 &szDis[0], sizeof(szDis), &cbInstr);
1326 if (RT_SUCCESS(rc))
1327 {
1328 /* print it */
1329 rc = DBGCCmdHlpPrintf(pCmdHlp, "%-16DV %s\n", &pDbgc->DisasmPos, &szDis[0]);
1330 if (RT_FAILURE(rc))
1331 return rc;
1332 }
1333 else
1334 {
1335 /* bitch. */
1336 int rc2 = DBGCCmdHlpPrintf(pCmdHlp, "Failed to disassemble instruction, skipping one byte.\n");
1337 if (RT_FAILURE(rc2))
1338 return rc2;
1339 if (cTries-- > 0)
1340 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Too many disassembly failures. Giving up");
1341 cbInstr = 1;
1342 }
1343
1344 /* advance */
1345 if (iRangeLeft < 0) /* 'r' */
1346 break;
1347 if (pDbgc->DisasmPos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
1348 iRangeLeft--;
1349 else
1350 iRangeLeft -= cbInstr;
1351 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DisasmPos, "(%Dv) + %x", &pDbgc->DisasmPos, cbInstr);
1352 if (RT_FAILURE(rc))
1353 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpEval(,,'(%Dv) + %x')", &pDbgc->DisasmPos, cbInstr);
1354 if (iRangeLeft <= 0)
1355 break;
1356 fFlags &= ~(DBGF_DISAS_FLAGS_CURRENT_GUEST | DBGF_DISAS_FLAGS_CURRENT_HYPER);
1357
1358 /* Print next symbol? */
1359 if (cbCheckSymbol <= cbInstr)
1360 {
1361 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1362 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1363 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1364 else
1365 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1366 if (RT_SUCCESS(rc))
1367 dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1368 else
1369 cbCheckSymbol = UINT32_MAX;
1370 }
1371 else
1372 cbCheckSymbol -= cbInstr;
1373 }
1374
1375 NOREF(pCmd);
1376 return VINF_SUCCESS;
1377}
1378
1379
1380/**
1381 * @callback_method_impl{FNDGCSCREENBLIT}
1382 */
1383static DECLCALLBACK(int) dbgcCmdUnassembleCfgBlit(const char *psz, void *pvUser)
1384{
1385 PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
1386 return DBGCCmdHlpPrintf(pCmdHlp, "%s", psz);
1387}
1388
1389
1390/**
1391 * Checks whether both addresses are equal.
1392 *
1393 * @returns true if both addresses point to the same location, false otherwise.
1394 * @param pAddr1 First address.
1395 * @param pAddr2 Second address.
1396 */
1397static bool dbgcCmdUnassembleCfgAddrEqual(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1398{
1399 return pAddr1->Sel == pAddr2->Sel
1400 && pAddr1->off == pAddr2->off;
1401}
1402
1403
1404/**
1405 * Checks whether the first given address is lower than the second one.
1406 *
1407 * @returns true if both addresses point to the same location, false otherwise.
1408 * @param pAddr1 First address.
1409 * @param pAddr2 Second address.
1410 */
1411static bool dbgcCmdUnassembleCfgAddrLower(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1412{
1413 return pAddr1->Sel == pAddr2->Sel
1414 && pAddr1->off < pAddr2->off;
1415}
1416
1417
1418/**
1419 * Calculates the size required for the given basic block including the
1420 * border and spacing on the edges.
1421 *
1422 * @returns nothing.
1423 * @param hFlowBb The basic block handle.
1424 * @param pDumpBb The dumper state to fill in for the basic block.
1425 */
1426static void dbgcCmdUnassembleCfgDumpCalcBbSize(DBGFFLOWBB hFlowBb, PDBGCFLOWBBDUMP pDumpBb)
1427{
1428 uint32_t fFlags = DBGFR3FlowBbGetFlags(hFlowBb);
1429 uint32_t cInstr = DBGFR3FlowBbGetInstrCount(hFlowBb);
1430
1431 pDumpBb->hFlowBb = hFlowBb;
1432 pDumpBb->cchHeight = cInstr + 4; /* Include spacing and border top and bottom. */
1433 pDumpBb->cchWidth = 0;
1434 DBGFR3FlowBbGetStartAddress(hFlowBb, &pDumpBb->AddrStart);
1435
1436 DBGFFLOWBBENDTYPE enmType = DBGFR3FlowBbGetType(hFlowBb);
1437 if ( enmType == DBGFFLOWBBENDTYPE_COND
1438 || enmType == DBGFFLOWBBENDTYPE_UNCOND_JMP)
1439 DBGFR3FlowBbGetBranchAddress(hFlowBb, &pDumpBb->AddrTarget);
1440
1441 if (fFlags & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1442 {
1443 const char *pszErr = NULL;
1444 DBGFR3FlowBbQueryError(hFlowBb, &pszErr);
1445 if (pszErr)
1446 {
1447 pDumpBb->cchHeight++;
1448 pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszErr));
1449 }
1450 }
1451 for (unsigned i = 0; i < cInstr; i++)
1452 {
1453 const char *pszInstr = NULL;
1454 int rc = DBGFR3FlowBbQueryInstr(hFlowBb, i, NULL, NULL, &pszInstr);
1455 AssertRC(rc);
1456 pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszInstr));
1457 }
1458 pDumpBb->cchWidth += 4; /* Include spacing and border left and right. */
1459}
1460
1461
1462/**
1463 * Dumps a top or bottom boundary line.
1464 *
1465 * @returns nothing.
1466 * @param hScreen The screen to draw to.
1467 * @param uStartX Where to start drawing the boundary.
1468 * @param uStartY Y coordinate.
1469 * @param cchWidth Width of the boundary.
1470 * @param enmColor The color to use for drawing.
1471 */
1472static void dbgcCmdUnassembleCfgDumpBbBoundary(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1473 DBGCSCREENCOLOR enmColor)
1474{
1475 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '+', enmColor);
1476 dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1477 uStartY, '-', enmColor);
1478 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '+', enmColor);
1479}
1480
1481
1482/**
1483 * Dumps a spacing line between the top or bottom boundary and the actual disassembly.
1484 *
1485 * @returns nothing.
1486 * @param hScreen The screen to draw to.
1487 * @param uStartX Where to start drawing the spacing.
1488 * @param uStartY Y coordinate.
1489 * @param cchWidth Width of the spacing.
1490 * @param enmColor The color to use for drawing.
1491 */
1492static void dbgcCmdUnassembleCfgDumpBbSpacing(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1493 DBGCSCREENCOLOR enmColor)
1494{
1495 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmColor);
1496 dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1497 uStartY, ' ', enmColor);
1498 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmColor);
1499}
1500
1501
1502/**
1503 * Writes a given text to the screen.
1504 *
1505 * @returns nothing.
1506 * @param hScreen The screen to draw to.
1507 * @param uStartX Where to start drawing the line.
1508 * @param uStartY Y coordinate.
1509 * @param cchWidth Maximum width of the text.
1510 * @param pszText The text to write.
1511 * @param enmTextColor The color to use for drawing the text.
1512 * @param enmBorderColor The color to use for drawing the border.
1513 */
1514static void dbgcCmdUnassembleCfgDumpBbText(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY,
1515 uint32_t cchWidth, const char *pszText,
1516 DBGCSCREENCOLOR enmTextColor, DBGCSCREENCOLOR enmBorderColor)
1517{
1518 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmBorderColor);
1519 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + 1, uStartY, ' ', enmTextColor);
1520 dbgcScreenAsciiDrawString(hScreen, uStartX + 2, uStartY, pszText, enmTextColor);
1521 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmBorderColor);
1522}
1523
1524
1525/**
1526 * Dumps one basic block using the dumper callback.
1527 *
1528 * @returns nothing.
1529 * @param pDumpBb The basic block dump state to dump.
1530 * @param hScreen The screen to draw to.
1531 */
1532static void dbgcCmdUnassembleCfgDumpBb(PDBGCFLOWBBDUMP pDumpBb, DBGCSCREEN hScreen)
1533{
1534 uint32_t uStartY = pDumpBb->uStartY;
1535 bool fError = RT_BOOL(DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR);
1536 DBGCSCREENCOLOR enmColor = fError ? DBGCSCREENCOLOR_RED_BRIGHT : DBGCSCREENCOLOR_DEFAULT;
1537
1538 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1539 uStartY++;
1540 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1541 uStartY++;
1542
1543 uint32_t cInstr = DBGFR3FlowBbGetInstrCount(pDumpBb->hFlowBb);
1544 for (unsigned i = 0; i < cInstr; i++)
1545 {
1546 const char *pszInstr = NULL;
1547 DBGFR3FlowBbQueryInstr(pDumpBb->hFlowBb, i, NULL, NULL, &pszInstr);
1548 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY + i,
1549 pDumpBb->cchWidth, pszInstr, DBGCSCREENCOLOR_DEFAULT,
1550 enmColor);
1551 }
1552 uStartY += cInstr;
1553
1554 if (fError)
1555 {
1556 const char *pszErr = NULL;
1557 DBGFR3FlowBbQueryError(pDumpBb->hFlowBb, &pszErr);
1558 if (pszErr)
1559 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY,
1560 pDumpBb->cchWidth, pszErr, enmColor,
1561 enmColor);
1562 uStartY++;
1563 }
1564
1565 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1566 uStartY++;
1567 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1568 uStartY++;
1569}
1570
1571
1572/**
1573 * Dumps the given control flow graph to the output.
1574 *
1575 * @returns VBox status code.
1576 * @param hCfg The control flow graph handle.
1577 * @param fUseColor Flag whether the output should be colorized.
1578 * @param pCmdHlp The command helper callback table.
1579 */
1580static int dbgcCmdUnassembleCfgDump(DBGFFLOW hCfg, bool fUseColor, PDBGCCMDHLP pCmdHlp)
1581{
1582 DBGFFLOWIT hCfgIt;
1583 int rc = DBGFR3FlowItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hCfgIt);
1584 if (RT_SUCCESS(rc))
1585 {
1586 uint32_t cBbs = DBGFR3FlowGetBbCount(hCfg);
1587 PDBGCFLOWBBDUMP paDumpBb = (PDBGCFLOWBBDUMP)RTMemTmpAllocZ(cBbs * sizeof(DBGCFLOWBBDUMP));
1588 if (paDumpBb)
1589 {
1590 /* Calculate the sizes of each basic block first. */
1591 DBGFFLOWBB hFlowBb = DBGFR3FlowItNext(hCfgIt);
1592 uint32_t idxDumpBb = 0;
1593 while (hFlowBb)
1594 {
1595 dbgcCmdUnassembleCfgDumpCalcBbSize(hFlowBb, &paDumpBb[idxDumpBb]);
1596 idxDumpBb++;
1597 hFlowBb = DBGFR3FlowItNext(hCfgIt);
1598 }
1599
1600 /* Calculate the ASCII screen dimensions and create one. */
1601 uint32_t cchWidth = 0;
1602 uint32_t cchLeftExtra = 5;
1603 uint32_t cchRightExtra = 5;
1604 uint32_t cchHeight = 0;
1605 for (unsigned i = 0; i < cBbs; i++)
1606 {
1607 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1608 cchWidth = RT_MAX(cchWidth, pDumpBb->cchWidth);
1609 cchHeight += pDumpBb->cchHeight;
1610
1611 /* Incomplete blocks don't have a successor. */
1612 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1613 continue;
1614
1615 switch (DBGFR3FlowBbGetType(pDumpBb->hFlowBb))
1616 {
1617 case DBGFFLOWBBENDTYPE_EXIT:
1618 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1619 break;
1620 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1621 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1622 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1623 cchLeftExtra++;
1624 else
1625 cchRightExtra++;
1626 break;
1627 case DBGFFLOWBBENDTYPE_UNCOND:
1628 cchHeight += 2; /* For the arrow down to the next basic block. */
1629 break;
1630 case DBGFFLOWBBENDTYPE_COND:
1631 cchHeight += 2; /* For the arrow down to the next basic block. */
1632 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1633 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1634 cchLeftExtra++;
1635 else
1636 cchRightExtra++;
1637 break;
1638 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1639 default:
1640 AssertFailed();
1641 }
1642 }
1643
1644 cchWidth += 2;
1645
1646 DBGCSCREEN hScreen = NULL;
1647 rc = dbgcScreenAsciiCreate(&hScreen, cchWidth + cchLeftExtra + cchRightExtra, cchHeight);
1648 if (RT_SUCCESS(rc))
1649 {
1650 uint32_t uY = 0;
1651
1652 /* Dump the basic blocks and connections to the immediate successor. */
1653 for (unsigned i = 0; i < cBbs; i++)
1654 {
1655 paDumpBb[i].uStartX = cchLeftExtra + (cchWidth - paDumpBb[i].cchWidth) / 2;
1656 paDumpBb[i].uStartY = uY;
1657 dbgcCmdUnassembleCfgDumpBb(&paDumpBb[i], hScreen);
1658 uY += paDumpBb[i].cchHeight;
1659
1660 /* Incomplete blocks don't have a successor. */
1661 if (DBGFR3FlowBbGetFlags(paDumpBb[i].hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1662 continue;
1663
1664 switch (DBGFR3FlowBbGetType(paDumpBb[i].hFlowBb))
1665 {
1666 case DBGFFLOWBBENDTYPE_EXIT:
1667 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1668 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1669 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1670 break;
1671 case DBGFFLOWBBENDTYPE_UNCOND:
1672 /* Draw the arrow down to the next block. */
1673 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1674 '|', DBGCSCREENCOLOR_BLUE_BRIGHT);
1675 uY++;
1676 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1677 'V', DBGCSCREENCOLOR_BLUE_BRIGHT);
1678 uY++;
1679 break;
1680 case DBGFFLOWBBENDTYPE_COND:
1681 /* Draw the arrow down to the next block. */
1682 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1683 '|', DBGCSCREENCOLOR_RED_BRIGHT);
1684 uY++;
1685 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1686 'V', DBGCSCREENCOLOR_RED_BRIGHT);
1687 uY++;
1688 break;
1689 default:
1690 AssertFailed();
1691 }
1692 }
1693
1694 /* Last pass, connect all remaining branches. */
1695 uint32_t uBackConns = 0;
1696 uint32_t uFwdConns = 0;
1697 for (unsigned i = 0; i < cBbs; i++)
1698 {
1699 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1700 DBGFFLOWBBENDTYPE enmEndType = DBGFR3FlowBbGetType(pDumpBb->hFlowBb);
1701
1702 /* Incomplete blocks don't have a successor. */
1703 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1704 continue;
1705
1706 switch (enmEndType)
1707 {
1708 case DBGFFLOWBBENDTYPE_EXIT:
1709 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1710 case DBGFFLOWBBENDTYPE_UNCOND:
1711 break;
1712 case DBGFFLOWBBENDTYPE_COND:
1713 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1714 {
1715 /* Find the target first to get the coordinates. */
1716 PDBGCFLOWBBDUMP pDumpBbTgt = NULL;
1717 for (idxDumpBb = 0; idxDumpBb < cBbs; idxDumpBb++)
1718 {
1719 pDumpBbTgt = &paDumpBb[idxDumpBb];
1720 if (dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBbTgt->AddrStart))
1721 break;
1722 }
1723
1724 DBGCSCREENCOLOR enmColor = enmEndType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1725 ? DBGCSCREENCOLOR_YELLOW_BRIGHT
1726 : DBGCSCREENCOLOR_GREEN_BRIGHT;
1727
1728 /*
1729 * Use the right side for targets with higher addresses,
1730 * left when jumping backwards.
1731 */
1732 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1733 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1734 {
1735 /* Going backwards. */
1736 uint32_t uXVerLine = /*cchLeftExtra - 1 -*/ uBackConns + 1;
1737 uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
1738 uBackConns++;
1739
1740 /* Draw the arrow pointing to the target block. */
1741 dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX - 1, pDumpBbTgt->uStartY,
1742 '>', enmColor);
1743 /* Draw the horizontal line. */
1744 dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBbTgt->uStartX - 2,
1745 pDumpBbTgt->uStartY, '-', enmColor);
1746 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
1747 enmColor);
1748 /* Draw the vertical line down to the source block. */
1749 dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, pDumpBbTgt->uStartY + 1, uYHorLine - 1,
1750 '|', enmColor);
1751 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
1752 /* Draw the horizontal connection between the source block and vertical part. */
1753 dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBb->uStartX - 1,
1754 uYHorLine, '-', enmColor);
1755
1756 }
1757 else
1758 {
1759 /* Going forward. */
1760 uint32_t uXVerLine = cchWidth + cchLeftExtra + (cchRightExtra - uFwdConns) - 1;
1761 uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
1762 uFwdConns++;
1763
1764 /* Draw the horizontal line. */
1765 dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBb->uStartX + pDumpBb->cchWidth,
1766 uXVerLine - 1, uYHorLine, '-', enmColor);
1767 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
1768 /* Draw the vertical line down to the target block. */
1769 dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, uYHorLine + 1, pDumpBbTgt->uStartY - 1,
1770 '|', enmColor);
1771 /* Draw the horizontal connection between the target block and vertical part. */
1772 dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
1773 uXVerLine, pDumpBbTgt->uStartY, '-', enmColor);
1774 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
1775 enmColor);
1776 /* Draw the arrow pointing to the target block. */
1777 dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
1778 pDumpBbTgt->uStartY, '<', enmColor);
1779 }
1780 break;
1781 }
1782 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1783 default:
1784 AssertFailed();
1785 }
1786 }
1787
1788 rc = dbgcScreenAsciiBlit(hScreen, dbgcCmdUnassembleCfgBlit, pCmdHlp, fUseColor);
1789 dbgcScreenAsciiDestroy(hScreen);
1790 }
1791
1792 for (unsigned i = 0; i < cBbs; i++)
1793 DBGFR3FlowBbRelease(paDumpBb[i].hFlowBb);
1794 RTMemTmpFree(paDumpBb);
1795 }
1796 else
1797 rc = VERR_NO_MEMORY;
1798
1799 DBGFR3FlowItDestroy(hCfgIt);
1800 }
1801
1802 return rc;
1803}
1804
1805
1806/**
1807 * @callback_method_impl{FNDBGCCMD, The 'ucfg' command.}
1808 */
1809static DECLCALLBACK(int) dbgcCmdUnassembleCfg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1810{
1811 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1812
1813 /*
1814 * Validate input.
1815 */
1816 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1817 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
1818 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
1819
1820 if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1821 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
1822
1823 /*
1824 * Check the desired mode.
1825 */
1826 unsigned fFlags = DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
1827 bool fUseColor = false;
1828 switch (pCmd->pszCmd[4])
1829 {
1830 default: AssertFailed();
1831 case '\0': fFlags |= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
1832 case '6': fFlags |= DBGF_DISAS_FLAGS_64BIT_MODE; break;
1833 case '3': fFlags |= DBGF_DISAS_FLAGS_32BIT_MODE; break;
1834 case '1': fFlags |= DBGF_DISAS_FLAGS_16BIT_MODE; break;
1835 case 'v': fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
1836 case 'c': fUseColor = true; break;
1837 }
1838
1839 /** @todo should use DBGFADDRESS for everything */
1840
1841 /*
1842 * Find address.
1843 */
1844 if (!cArgs)
1845 {
1846 if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1847 {
1848 /** @todo Batch query CS, RIP, CPU mode and flags. */
1849 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
1850 if ( pDbgc->fRegCtxGuest
1851 && CPUMIsGuestIn64BitCode(pVCpu))
1852 {
1853 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
1854 pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
1855 }
1856 else
1857 {
1858 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
1859 pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
1860 pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
1861 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
1862 && pDbgc->fRegCtxGuest
1863 && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
1864 {
1865 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1866 fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
1867 }
1868 }
1869
1870 if (pDbgc->fRegCtxGuest)
1871 fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST;
1872 else
1873 fFlags |= DBGF_DISAS_FLAGS_CURRENT_HYPER | DBGF_DISAS_FLAGS_HYPER;
1874 }
1875 else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
1876 {
1877 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1878 fFlags |= pDbgc->fDisasm & (DBGF_DISAS_FLAGS_MODE_MASK | DBGF_DISAS_FLAGS_HYPER);
1879 }
1880 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
1881 }
1882 else
1883 pDbgc->DisasmPos = paArgs[0];
1884 pDbgc->pLastPos = &pDbgc->DisasmPos;
1885
1886 /*
1887 * Range.
1888 */
1889 switch (pDbgc->DisasmPos.enmRangeType)
1890 {
1891 case DBGCVAR_RANGE_NONE:
1892 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
1893 pDbgc->DisasmPos.u64Range = 10;
1894 break;
1895
1896 case DBGCVAR_RANGE_ELEMENTS:
1897 if (pDbgc->DisasmPos.u64Range > 2048)
1898 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
1899 break;
1900
1901 case DBGCVAR_RANGE_BYTES:
1902 if (pDbgc->DisasmPos.u64Range > 65536)
1903 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
1904 break;
1905
1906 default:
1907 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
1908 }
1909
1910 /*
1911 * Convert physical and host addresses to guest addresses.
1912 */
1913 RTDBGAS hDbgAs = pDbgc->hDbgAs;
1914 int rc;
1915 switch (pDbgc->DisasmPos.enmType)
1916 {
1917 case DBGCVAR_TYPE_GC_FLAT:
1918 case DBGCVAR_TYPE_GC_FAR:
1919 break;
1920 case DBGCVAR_TYPE_GC_PHYS:
1921 hDbgAs = DBGF_AS_PHYS;
1922 case DBGCVAR_TYPE_HC_FLAT:
1923 case DBGCVAR_TYPE_HC_PHYS:
1924 {
1925 DBGCVAR VarTmp;
1926 rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
1927 if (RT_FAILURE(rc))
1928 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
1929 pDbgc->DisasmPos = VarTmp;
1930 break;
1931 }
1932 default: AssertFailed(); break;
1933 }
1934
1935 DBGFADDRESS CurAddr;
1936 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1937 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1938 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1939 else
1940 {
1941 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1942 if (RT_FAILURE(rc))
1943 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
1944 }
1945
1946 DBGFFLOW hCfg;
1947 rc = DBGFR3FlowCreate(pUVM, pDbgc->idCpu, &CurAddr, 0 /*cbDisasmMax*/,
1948 DBGF_FLOW_CREATE_F_DEFAULT, fFlags, &hCfg);
1949 if (RT_SUCCESS(rc))
1950 {
1951 /* Dump the graph. */
1952 rc = dbgcCmdUnassembleCfgDump(hCfg, fUseColor, pCmdHlp);
1953 DBGFR3FlowRelease(hCfg);
1954 }
1955 else
1956 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowCreate failed on '%Dv'", &pDbgc->DisasmPos);
1957
1958 NOREF(pCmd);
1959 return rc;
1960}
1961
1962
1963/**
1964 * @callback_method_impl{FNDBGCCMD, The 'ls' command.}
1965 */
1966static DECLCALLBACK(int) dbgcCmdListSource(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1967{
1968 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1969
1970 /*
1971 * Validate input.
1972 */
1973 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
1974 if (cArgs == 1)
1975 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
1976 if (!pUVM && !cArgs && !DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
1977 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start listing...");
1978 if (!pUVM && cArgs && DBGCVAR_ISGCPOINTER(paArgs[0].enmType))
1979 return DBGCCmdHlpFail(pCmdHlp, pCmd, "GC address but no VM");
1980
1981 /*
1982 * Find address.
1983 */
1984 if (!cArgs)
1985 {
1986 if (!DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
1987 {
1988 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
1989 pDbgc->SourcePos.enmType = DBGCVAR_TYPE_GC_FAR;
1990 pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
1991 pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
1992 }
1993 pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_NONE;
1994 }
1995 else
1996 pDbgc->SourcePos = paArgs[0];
1997 pDbgc->pLastPos = &pDbgc->SourcePos;
1998
1999 /*
2000 * Ensure the source address is flat GC.
2001 */
2002 switch (pDbgc->SourcePos.enmType)
2003 {
2004 case DBGCVAR_TYPE_GC_FLAT:
2005 break;
2006 case DBGCVAR_TYPE_GC_PHYS:
2007 case DBGCVAR_TYPE_GC_FAR:
2008 case DBGCVAR_TYPE_HC_FLAT:
2009 case DBGCVAR_TYPE_HC_PHYS:
2010 {
2011 int rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "%%(%Dv)", &pDbgc->SourcePos);
2012 if (RT_FAILURE(rc))
2013 return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid address or address type. (rc=%d)\n", rc);
2014 break;
2015 }
2016 default: AssertFailed(); break;
2017 }
2018
2019 /*
2020 * Range.
2021 */
2022 switch (pDbgc->SourcePos.enmRangeType)
2023 {
2024 case DBGCVAR_RANGE_NONE:
2025 pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2026 pDbgc->SourcePos.u64Range = 10;
2027 break;
2028
2029 case DBGCVAR_RANGE_ELEMENTS:
2030 if (pDbgc->SourcePos.u64Range > 2048)
2031 return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many lines requested. Max is 2048 lines.\n");
2032 break;
2033
2034 case DBGCVAR_RANGE_BYTES:
2035 if (pDbgc->SourcePos.u64Range > 65536)
2036 return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
2037 break;
2038
2039 default:
2040 return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->SourcePos.enmRangeType);
2041 }
2042
2043 /*
2044 * Do the disassembling.
2045 */
2046 bool fFirst = 1;
2047 RTDBGLINE LinePrev = { 0, 0, 0, 0, 0, "" };
2048 int iRangeLeft = (int)pDbgc->SourcePos.u64Range;
2049 if (iRangeLeft == 0) /* kludge for 'r'. */
2050 iRangeLeft = -1;
2051 for (;;)
2052 {
2053 /*
2054 * Get line info.
2055 */
2056 RTDBGLINE Line;
2057 RTGCINTPTR off;
2058 DBGFADDRESS SourcePosAddr;
2059 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->SourcePos, &SourcePosAddr);
2060 if (RT_FAILURE(rc))
2061 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%Dv)", &pDbgc->SourcePos);
2062 rc = DBGFR3AsLineByAddr(pUVM, pDbgc->hDbgAs, &SourcePosAddr, &off, &Line, NULL);
2063 if (RT_FAILURE(rc))
2064 return VINF_SUCCESS;
2065
2066 unsigned cLines = 0;
2067 if (memcmp(&Line, &LinePrev, sizeof(Line)))
2068 {
2069 /*
2070 * Print filenamename
2071 */
2072 if (!fFirst && strcmp(Line.szFilename, LinePrev.szFilename))
2073 fFirst = true;
2074 if (fFirst)
2075 {
2076 rc = DBGCCmdHlpPrintf(pCmdHlp, "[%s @ %d]\n", Line.szFilename, Line.uLineNo);
2077 if (RT_FAILURE(rc))
2078 return rc;
2079 }
2080
2081 /*
2082 * Try open the file and read the line.
2083 */
2084 FILE *phFile = fopen(Line.szFilename, "r");
2085 if (phFile)
2086 {
2087 /* Skip ahead to the desired line. */
2088 char szLine[4096];
2089 unsigned cBefore = fFirst ? RT_MIN(2, Line.uLineNo - 1) : Line.uLineNo - LinePrev.uLineNo - 1;
2090 if (cBefore > 7)
2091 cBefore = 0;
2092 unsigned cLeft = Line.uLineNo - cBefore;
2093 while (cLeft > 0)
2094 {
2095 szLine[0] = '\0';
2096 if (!fgets(szLine, sizeof(szLine), phFile))
2097 break;
2098 cLeft--;
2099 }
2100 if (!cLeft)
2101 {
2102 /* print the before lines */
2103 for (;;)
2104 {
2105 size_t cch = strlen(szLine);
2106 while (cch > 0 && (szLine[cch - 1] == '\r' || szLine[cch - 1] == '\n' || RT_C_IS_SPACE(szLine[cch - 1])) )
2107 szLine[--cch] = '\0';
2108 if (cBefore-- <= 0)
2109 break;
2110
2111 rc = DBGCCmdHlpPrintf(pCmdHlp, " %4d: %s\n", Line.uLineNo - cBefore - 1, szLine);
2112 szLine[0] = '\0';
2113 const char *pszShutUpGcc = fgets(szLine, sizeof(szLine), phFile); NOREF(pszShutUpGcc);
2114 cLines++;
2115 }
2116 /* print the actual line */
2117 rc = DBGCCmdHlpPrintf(pCmdHlp, "%08llx %4d: %s\n", Line.Address, Line.uLineNo, szLine);
2118 }
2119 fclose(phFile);
2120 if (RT_FAILURE(rc))
2121 return rc;
2122 fFirst = false;
2123 }
2124 else
2125 return DBGCCmdHlpPrintf(pCmdHlp, "Warning: couldn't open source file '%s'\n", Line.szFilename);
2126
2127 LinePrev = Line;
2128 }
2129
2130
2131 /*
2132 * Advance
2133 */
2134 if (iRangeLeft < 0) /* 'r' */
2135 break;
2136 if (pDbgc->SourcePos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
2137 iRangeLeft -= cLines;
2138 else
2139 iRangeLeft -= 1;
2140 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "(%Dv) + %x", &pDbgc->SourcePos, 1);
2141 if (RT_FAILURE(rc))
2142 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->SourcePos, 1);
2143 if (iRangeLeft <= 0)
2144 break;
2145 }
2146
2147 NOREF(pCmd);
2148 return 0;
2149}
2150
2151
2152/**
2153 * @callback_method_impl{FNDBGCCMD, The 'r' command.}
2154 */
2155static DECLCALLBACK(int) dbgcCmdReg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2156{
2157 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2158 if (!pDbgc->fRegCtxGuest)
2159 return dbgcCmdRegHyper(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
2160 return dbgcCmdRegGuest(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
2161}
2162
2163
2164/**
2165 * @callback_method_impl{FNDBGCCMD, Common worker for the dbgcCmdReg*()
2166 * commands.}
2167 */
2168static DECLCALLBACK(int) dbgcCmdRegCommon(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs,
2169 const char *pszPrefix)
2170{
2171 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2172 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 || cArgs == 2 || cArgs == 3);
2173 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING
2174 || paArgs[0].enmType == DBGCVAR_TYPE_SYMBOL);
2175
2176 /*
2177 * Parse the register name and kind.
2178 */
2179 const char *pszReg = paArgs[0].u.pszString;
2180 if (*pszReg == '@')
2181 pszReg++;
2182 VMCPUID idCpu = pDbgc->idCpu;
2183 if (*pszPrefix)
2184 idCpu |= DBGFREG_HYPER_VMCPUID;
2185 if (*pszReg == '.')
2186 {
2187 pszReg++;
2188 idCpu |= DBGFREG_HYPER_VMCPUID;
2189 }
2190 const char * const pszActualPrefix = idCpu & DBGFREG_HYPER_VMCPUID ? "." : "";
2191
2192 /*
2193 * Query the register type & value (the setter needs the type).
2194 */
2195 DBGFREGVALTYPE enmType;
2196 DBGFREGVAL Value;
2197 int rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType);
2198 if (RT_FAILURE(rc))
2199 {
2200 if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
2201 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
2202 pszActualPrefix, pszReg);
2203 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n",
2204 pszActualPrefix, pszReg, rc);
2205 }
2206 if (cArgs == 1)
2207 {
2208 /*
2209 * Show the register.
2210 */
2211 char szValue[160];
2212 rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &Value, enmType, true /*fSpecial*/);
2213 if (RT_SUCCESS(rc))
2214 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, pszReg, szValue);
2215 else
2216 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2217 }
2218 else
2219 {
2220 DBGCVAR NewValueTmp;
2221 PCDBGCVAR pNewValue;
2222 if (cArgs == 3)
2223 {
2224 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, paArgs[1].enmType == DBGCVAR_TYPE_STRING);
2225 if (strcmp(paArgs[1].u.pszString, "="))
2226 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Second argument must be '='.");
2227 pNewValue = &paArgs[2];
2228 }
2229 else
2230 {
2231 /* Not possible to convince the parser to support both codeview and
2232 windbg syntax and make the equal sign optional. Try help it. */
2233 /** @todo make DBGCCmdHlpConvert do more with strings. */
2234 rc = DBGCCmdHlpConvert(pCmdHlp, &paArgs[1], DBGCVAR_TYPE_NUMBER, true /*fConvSyms*/, &NewValueTmp);
2235 if (RT_FAILURE(rc))
2236 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "The last argument must be a value or valid symbol.");
2237 pNewValue = &NewValueTmp;
2238 }
2239
2240 /*
2241 * Modify the register.
2242 */
2243 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, pNewValue->enmType == DBGCVAR_TYPE_NUMBER);
2244 if (enmType != DBGFREGVALTYPE_DTR)
2245 {
2246 enmType = DBGFREGVALTYPE_U64;
2247 rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.u64);
2248 }
2249 else
2250 {
2251 enmType = DBGFREGVALTYPE_DTR;
2252 rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.dtr.u64Base);
2253 if (RT_SUCCESS(rc) && pNewValue->enmRangeType != DBGCVAR_RANGE_NONE)
2254 Value.dtr.u32Limit = (uint32_t)pNewValue->u64Range;
2255 }
2256 if (RT_SUCCESS(rc))
2257 {
2258 rc = DBGFR3RegNmSet(pUVM, idCpu, pszReg, &Value, enmType);
2259 if (RT_FAILURE(rc))
2260 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmSet failed settings '%s%s': %Rrc\n",
2261 pszActualPrefix, pszReg, rc);
2262 if (rc != VINF_SUCCESS)
2263 DBGCCmdHlpPrintf(pCmdHlp, "%s: warning: %Rrc\n", pCmd->pszCmd, rc);
2264 }
2265 else
2266 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2267 }
2268 return rc;
2269}
2270
2271
2272/**
2273 * @callback_method_impl{FNDBGCCMD,
2274 * The 'rg'\, 'rg64' and 'rg32' commands\, worker for 'r'.}
2275 */
2276static DECLCALLBACK(int) dbgcCmdRegGuest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2277{
2278 /*
2279 * Show all registers our selves.
2280 */
2281 if (cArgs == 0)
2282 {
2283 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2284 bool const f64BitMode = !strcmp(pCmd->pszCmd, "rg64")
2285 || ( strcmp(pCmd->pszCmd, "rg32") != 0
2286 && DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu));
2287 char szDisAndRegs[8192];
2288 int rc;
2289
2290 if (pDbgc->fRegTerse)
2291 {
2292 if (f64BitMode)
2293 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs),
2294 "u %016VR{rip} L 0\n"
2295 "rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n"
2296 "rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n"
2297 "r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n"
2298 "r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n"
2299 "rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n"
2300 "cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} rflags=%08VR{rflags}\n");
2301 else
2302 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, szDisAndRegs, sizeof(szDisAndRegs),
2303 "u %04VR{cs}:%08VR{eip} L 0\n"
2304 "eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n"
2305 "eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n"
2306 "cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} eflags=%08VR{eflags}\n");
2307 }
2308 else
2309 {
2310 if (f64BitMode)
2311 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs),
2312 "u %016VR{rip} L 0\n"
2313 "rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n"
2314 "rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n"
2315 "r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n"
2316 "r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n"
2317 "rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n"
2318 "cs={%04VR{cs} base=%016VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} cr0=%016VR{cr0}\n"
2319 "ds={%04VR{ds} base=%016VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} cr2=%016VR{cr2}\n"
2320 "es={%04VR{es} base=%016VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} cr3=%016VR{cr3}\n"
2321 "fs={%04VR{fs} base=%016VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr4=%016VR{cr4}\n"
2322 "gs={%04VR{gs} base=%016VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr8=%016VR{cr8}\n"
2323 "ss={%04VR{ss} base=%016VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n"
2324 "dr0=%016VR{dr0} dr1=%016VR{dr1} dr2=%016VR{dr2} dr3=%016VR{dr3}\n"
2325 "dr6=%016VR{dr6} dr7=%016VR{dr7}\n"
2326 "gdtr=%016VR{gdtr_base}:%04VR{gdtr_lim} idtr=%016VR{idtr_base}:%04VR{idtr_lim} rflags=%08VR{rflags}\n"
2327 "ldtr={%04VR{ldtr} base=%016VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%08VR{ldtr_attr}}\n"
2328 "tr ={%04VR{tr} base=%016VR{tr_base} limit=%08VR{tr_lim} flags=%08VR{tr_attr}}\n"
2329 " sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n"
2330 " efer=%016VR{efer}\n"
2331 " pat=%016VR{pat}\n"
2332 " sf_mask=%016VR{sf_mask}\n"
2333 "krnl_gs_base=%016VR{krnl_gs_base}\n"
2334 " lstar=%016VR{lstar}\n"
2335 " star=%016VR{star} cstar=%016VR{cstar}\n"
2336 "fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n"
2337 );
2338 else
2339 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, szDisAndRegs, sizeof(szDisAndRegs),
2340 "u %04VR{cs}:%08VR{eip} L 0\n"
2341 "eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n"
2342 "eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n"
2343 "cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} dr0=%08VR{dr0} dr1=%08VR{dr1}\n"
2344 "ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} dr2=%08VR{dr2} dr3=%08VR{dr3}\n"
2345 "es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} dr6=%08VR{dr6} dr7=%08VR{dr7}\n"
2346 "fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr0=%08VR{cr0} cr2=%08VR{cr2}\n"
2347 "gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr3=%08VR{cr3} cr4=%08VR{cr4}\n"
2348 "ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}} cr8=%08VR{cr8}\n"
2349 "gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} idtr=%08VR{idtr_base}:%04VR{idtr_lim} eflags=%08VR{eflags}\n"
2350 "ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n"
2351 "tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n"
2352 "sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n"
2353 "fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n"
2354 );
2355 }
2356 if (RT_FAILURE(rc))
2357 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed");
2358 char *pszRegs = strchr(szDisAndRegs, '\n');
2359 *pszRegs++ = '\0';
2360 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs);
2361
2362 /*
2363 * Disassemble one instruction at cs:[r|e]ip.
2364 */
2365 if (!f64BitMode && strstr(pszRegs, " vm ")) /* a big ugly... */
2366 return pCmdHlp->pfnExec(pCmdHlp, "uv86 %s", szDisAndRegs + 2);
2367 return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs);
2368 }
2369 return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, "");
2370}
2371
2372
2373/**
2374 * @callback_method_impl{FNDBGCCMD, The 'rh' command.}
2375 */
2376static DECLCALLBACK(int) dbgcCmdRegHyper(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2377{
2378 /*
2379 * Show all registers our selves.
2380 */
2381 if (cArgs == 0)
2382 {
2383 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2384 char szDisAndRegs[8192];
2385 int rc;
2386
2387 if (pDbgc->fRegTerse)
2388 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu | DBGFREG_HYPER_VMCPUID, szDisAndRegs, sizeof(szDisAndRegs),
2389 "u %VR{cs}:%VR{eip} L 0\n"
2390 ".eax=%08VR{eax} .ebx=%08VR{ebx} .ecx=%08VR{ecx} .edx=%08VR{edx} .esi=%08VR{esi} .edi=%08VR{edi}\n"
2391 ".eip=%08VR{eip} .esp=%08VR{esp} .ebp=%08VR{ebp} .%VRF{eflags}\n"
2392 ".cs=%04VR{cs} .ds=%04VR{ds} .es=%04VR{es} .fs=%04VR{fs} .gs=%04VR{gs} .ss=%04VR{ss} .eflags=%08VR{eflags}\n");
2393 else
2394 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu | DBGFREG_HYPER_VMCPUID, szDisAndRegs, sizeof(szDisAndRegs),
2395 "u %04VR{cs}:%08VR{eip} L 0\n"
2396 ".eax=%08VR{eax} .ebx=%08VR{ebx} .ecx=%08VR{ecx} .edx=%08VR{edx} .esi=%08VR{esi} .edi=%08VR{edi}\n"
2397 ".eip=%08VR{eip} .esp=%08VR{esp} .ebp=%08VR{ebp} .%VRF{eflags}\n"
2398 ".cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} .dr0=%08VR{dr0} .dr1=%08VR{dr1}\n"
2399 ".ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} .dr2=%08VR{dr2} .dr3=%08VR{dr3}\n"
2400 ".es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} .dr6=%08VR{dr6} .dr6=%08VR{dr6}\n"
2401 ".fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} .cr3=%016VR{cr3}\n"
2402 ".gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}}\n"
2403 ".ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n"
2404 ".gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} .idtr=%08VR{idtr_base}:%04VR{idtr_lim} .eflags=%08VR{eflags}\n"
2405 ".ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n"
2406 ".tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n"
2407 );
2408 if (RT_FAILURE(rc))
2409 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed");
2410 char *pszRegs = strchr(szDisAndRegs, '\n');
2411 *pszRegs++ = '\0';
2412 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs);
2413
2414 /*
2415 * Disassemble one instruction at cs:[r|e]ip.
2416 */
2417 return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs);
2418 }
2419 return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, ".");
2420}
2421
2422
2423/**
2424 * @callback_method_impl{FNDBGCCMD, The 'rt' command.}
2425 */
2426static DECLCALLBACK(int) dbgcCmdRegTerse(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2427{
2428 NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2429
2430 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2431 pDbgc->fRegTerse = !pDbgc->fRegTerse;
2432 return DBGCCmdHlpPrintf(pCmdHlp, pDbgc->fRegTerse ? "info: Terse register info.\n" : "info: Verbose register info.\n");
2433}
2434
2435
2436/**
2437 * @callback_method_impl{FNDBGCCMD, The 't' command.}
2438 */
2439static DECLCALLBACK(int) dbgcCmdTrace(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2440{
2441 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2442
2443 int rc = DBGFR3Step(pUVM, pDbgc->idCpu);
2444 if (RT_SUCCESS(rc))
2445 pDbgc->fReady = false;
2446 else
2447 rc = pDbgc->CmdHlp.pfnVBoxError(&pDbgc->CmdHlp, rc, "When trying to single step VM %p\n", pDbgc->pVM);
2448
2449 NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
2450 return rc;
2451}
2452
2453
2454/**
2455 * @callback_method_impl{FNDBGCCMD, The 'k'\, 'kg' and 'kh' commands.}
2456 */
2457static DECLCALLBACK(int) dbgcCmdStack(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2458{
2459 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2460
2461 /*
2462 * Figure which context we're called for and start walking that stack.
2463 */
2464 int rc;
2465 PCDBGFSTACKFRAME pFirstFrame;
2466 bool const fGuest = pCmd->pszCmd[1] == 'g'
2467 || (!pCmd->pszCmd[1] && pDbgc->fRegCtxGuest);
2468 rc = DBGFR3StackWalkBegin(pUVM, pDbgc->idCpu, fGuest ? DBGFCODETYPE_GUEST : DBGFCODETYPE_HYPER, &pFirstFrame);
2469 if (RT_FAILURE(rc))
2470 return DBGCCmdHlpPrintf(pCmdHlp, "Failed to begin stack walk, rc=%Rrc\n", rc);
2471
2472 /*
2473 * Print header.
2474 * 12345678 12345678 0023:87654321 12345678 87654321 12345678 87654321 symbol
2475 */
2476 uint32_t fBitFlags = 0;
2477 for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
2478 pFrame;
2479 pFrame = DBGFR3StackWalkNext(pFrame))
2480 {
2481 uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT | DBGFSTACKFRAME_FLAGS_32BIT | DBGFSTACKFRAME_FLAGS_64BIT);
2482 if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
2483 {
2484 if (fCurBitFlags != fBitFlags)
2485 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2486 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2487 pFrame->AddrFrame.Sel,
2488 (uint16_t)pFrame->AddrFrame.off,
2489 pFrame->AddrReturnFrame.Sel,
2490 (uint16_t)pFrame->AddrReturnFrame.off,
2491 (uint32_t)pFrame->AddrReturnPC.Sel,
2492 (uint32_t)pFrame->AddrReturnPC.off,
2493 pFrame->Args.au32[0],
2494 pFrame->Args.au32[1],
2495 pFrame->Args.au32[2],
2496 pFrame->Args.au32[3]);
2497 }
2498 else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
2499 {
2500 if (fCurBitFlags != fBitFlags)
2501 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2502 rc = DBGCCmdHlpPrintf(pCmdHlp, "%08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2503 (uint32_t)pFrame->AddrFrame.off,
2504 (uint32_t)pFrame->AddrReturnFrame.off,
2505 (uint32_t)pFrame->AddrReturnPC.Sel,
2506 (uint32_t)pFrame->AddrReturnPC.off,
2507 pFrame->Args.au32[0],
2508 pFrame->Args.au32[1],
2509 pFrame->Args.au32[2],
2510 pFrame->Args.au32[3]);
2511 }
2512 else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
2513 {
2514 if (fCurBitFlags != fBitFlags)
2515 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
2516 rc = DBGCCmdHlpPrintf(pCmdHlp, "%016RX64 %04RX16:%016RX64 %016RX64",
2517 (uint64_t)pFrame->AddrFrame.off,
2518 pFrame->AddrReturnFrame.Sel,
2519 (uint64_t)pFrame->AddrReturnFrame.off,
2520 (uint64_t)pFrame->AddrReturnPC.off);
2521 }
2522 if (RT_FAILURE(rc))
2523 break;
2524 if (!pFrame->pSymPC)
2525 rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
2526 fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
2527 ? " %RTsel:%016RGv"
2528 : fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
2529 ? " %RTsel:%08RGv"
2530 : " %RTsel:%04RGv"
2531 , pFrame->AddrPC.Sel, pFrame->AddrPC.off);
2532 else
2533 {
2534 RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
2535 if (offDisp > 0)
2536 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
2537 else if (offDisp < 0)
2538 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
2539 else
2540 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", pFrame->pSymPC->szName);
2541 }
2542 if (RT_SUCCESS(rc) && pFrame->pLinePC)
2543 rc = DBGCCmdHlpPrintf(pCmdHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
2544 if (RT_SUCCESS(rc))
2545 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2546 if (RT_FAILURE(rc))
2547 break;
2548
2549 fBitFlags = fCurBitFlags;
2550 }
2551
2552 DBGFR3StackWalkEnd(pFirstFrame);
2553
2554 NOREF(paArgs); NOREF(cArgs);
2555 return rc;
2556}
2557
2558
2559static int dbgcCmdDumpDTWorker64(PDBGCCMDHLP pCmdHlp, PCX86DESC64 pDesc, unsigned iEntry, bool fHyper, bool *pfDblEntry)
2560{
2561 /* GUEST64 */
2562 int rc;
2563
2564 const char *pszHyper = fHyper ? " HYPER" : "";
2565 const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
2566 if (pDesc->Gen.u1DescType)
2567 {
2568 static const char * const s_apszTypes[] =
2569 {
2570 "DataRO", /* 0 Read-Only */
2571 "DataRO", /* 1 Read-Only - Accessed */
2572 "DataRW", /* 2 Read/Write */
2573 "DataRW", /* 3 Read/Write - Accessed */
2574 "DownRO", /* 4 Expand-down, Read-Only */
2575 "DownRO", /* 5 Expand-down, Read-Only - Accessed */
2576 "DownRW", /* 6 Expand-down, Read/Write */
2577 "DownRW", /* 7 Expand-down, Read/Write - Accessed */
2578 "CodeEO", /* 8 Execute-Only */
2579 "CodeEO", /* 9 Execute-Only - Accessed */
2580 "CodeER", /* A Execute/Readable */
2581 "CodeER", /* B Execute/Readable - Accessed */
2582 "ConfE0", /* C Conforming, Execute-Only */
2583 "ConfE0", /* D Conforming, Execute-Only - Accessed */
2584 "ConfER", /* E Conforming, Execute/Readable */
2585 "ConfER" /* F Conforming, Execute/Readable - Accessed */
2586 };
2587 const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
2588 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
2589 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2590 uint32_t u32Base = X86DESC_BASE(pDesc);
2591 uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2592
2593 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
2594 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
2595 pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
2596 pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
2597 }
2598 else
2599 {
2600 static const char * const s_apszTypes[] =
2601 {
2602 "Ill-0 ", /* 0 0000 Reserved (Illegal) */
2603 "Ill-1 ", /* 1 0001 Available 16-bit TSS */
2604 "LDT ", /* 2 0010 LDT */
2605 "Ill-3 ", /* 3 0011 Busy 16-bit TSS */
2606 "Ill-4 ", /* 4 0100 16-bit Call Gate */
2607 "Ill-5 ", /* 5 0101 Task Gate */
2608 "Ill-6 ", /* 6 0110 16-bit Interrupt Gate */
2609 "Ill-7 ", /* 7 0111 16-bit Trap Gate */
2610 "Ill-8 ", /* 8 1000 Reserved (Illegal) */
2611 "Tss64A", /* 9 1001 Available 32-bit TSS */
2612 "Ill-A ", /* A 1010 Reserved (Illegal) */
2613 "Tss64B", /* B 1011 Busy 32-bit TSS */
2614 "Call64", /* C 1100 32-bit Call Gate */
2615 "Ill-D ", /* D 1101 Reserved (Illegal) */
2616 "Int64 ", /* E 1110 32-bit Interrupt Gate */
2617 "Trap64" /* F 1111 32-bit Trap Gate */
2618 };
2619 switch (pDesc->Gen.u4Type)
2620 {
2621 /* raw */
2622 case X86_SEL_TYPE_SYS_UNDEFINED:
2623 case X86_SEL_TYPE_SYS_UNDEFINED2:
2624 case X86_SEL_TYPE_SYS_UNDEFINED4:
2625 case X86_SEL_TYPE_SYS_UNDEFINED3:
2626 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
2627 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
2628 case X86_SEL_TYPE_SYS_286_CALL_GATE:
2629 case X86_SEL_TYPE_SYS_286_INT_GATE:
2630 case X86_SEL_TYPE_SYS_286_TRAP_GATE:
2631 case X86_SEL_TYPE_SYS_TASK_GATE:
2632 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
2633 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
2634 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
2635 break;
2636
2637 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
2638 case X86_SEL_TYPE_SYS_386_TSS_BUSY:
2639 case X86_SEL_TYPE_SYS_LDT:
2640 {
2641 const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
2642 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2643 const char *pszLong = pDesc->Gen.u1Long ? "LONG" : " ";
2644
2645 uint64_t u64Base = X86DESC64_BASE(pDesc);
2646 uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2647
2648 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%016RX64 Lim=%08x DPL=%d %s %s %s %sAVL=%d R=%d%s\n",
2649 iEntry, s_apszTypes[pDesc->Gen.u4Type], u64Base, cbLimit,
2650 pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszLong, pszBig,
2651 pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1),
2652 pszHyper);
2653 if (pfDblEntry)
2654 *pfDblEntry = true;
2655 break;
2656 }
2657
2658 case X86_SEL_TYPE_SYS_386_CALL_GATE:
2659 {
2660 unsigned cParams = pDesc->au8[4] & 0x1f;
2661 const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
2662 RTSEL sel = pDesc->au16[1];
2663 uint64_t off = pDesc->au16[0]
2664 | ((uint64_t)pDesc->au16[3] << 16)
2665 | ((uint64_t)pDesc->Gen.u32BaseHigh3 << 32);
2666 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%d %s %s=%d%s\n",
2667 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
2668 pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper);
2669 if (pfDblEntry)
2670 *pfDblEntry = true;
2671 break;
2672 }
2673
2674 case X86_SEL_TYPE_SYS_386_INT_GATE:
2675 case X86_SEL_TYPE_SYS_386_TRAP_GATE:
2676 {
2677 RTSEL sel = pDesc->Gate.u16Sel;
2678 uint64_t off = pDesc->Gate.u16OffsetLow
2679 | ((uint64_t)pDesc->Gate.u16OffsetHigh << 16)
2680 | ((uint64_t)pDesc->Gate.u32OffsetTop << 32);
2681 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%u %s IST=%u%s\n",
2682 iEntry, s_apszTypes[pDesc->Gate.u4Type], sel, off,
2683 pDesc->Gate.u2Dpl, pszPresent, pDesc->Gate.u3IST, pszHyper);
2684 if (pfDblEntry)
2685 *pfDblEntry = true;
2686 break;
2687 }
2688
2689 /* impossible, just it's necessary to keep gcc happy. */
2690 default:
2691 return VINF_SUCCESS;
2692 }
2693 }
2694 return VINF_SUCCESS;
2695}
2696
2697
2698/**
2699 * Worker function that displays one descriptor entry (GDT, LDT, IDT).
2700 *
2701 * @returns pfnPrintf status code.
2702 * @param pCmdHlp The DBGC command helpers.
2703 * @param pDesc The descriptor to display.
2704 * @param iEntry The descriptor entry number.
2705 * @param fHyper Whether the selector belongs to the hypervisor or not.
2706 */
2707static int dbgcCmdDumpDTWorker32(PDBGCCMDHLP pCmdHlp, PCX86DESC pDesc, unsigned iEntry, bool fHyper)
2708{
2709 int rc;
2710
2711 const char *pszHyper = fHyper ? " HYPER" : "";
2712 const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
2713 if (pDesc->Gen.u1DescType)
2714 {
2715 static const char * const s_apszTypes[] =
2716 {
2717 "DataRO", /* 0 Read-Only */
2718 "DataRO", /* 1 Read-Only - Accessed */
2719 "DataRW", /* 2 Read/Write */
2720 "DataRW", /* 3 Read/Write - Accessed */
2721 "DownRO", /* 4 Expand-down, Read-Only */
2722 "DownRO", /* 5 Expand-down, Read-Only - Accessed */
2723 "DownRW", /* 6 Expand-down, Read/Write */
2724 "DownRW", /* 7 Expand-down, Read/Write - Accessed */
2725 "CodeEO", /* 8 Execute-Only */
2726 "CodeEO", /* 9 Execute-Only - Accessed */
2727 "CodeER", /* A Execute/Readable */
2728 "CodeER", /* B Execute/Readable - Accessed */
2729 "ConfE0", /* C Conforming, Execute-Only */
2730 "ConfE0", /* D Conforming, Execute-Only - Accessed */
2731 "ConfER", /* E Conforming, Execute/Readable */
2732 "ConfER" /* F Conforming, Execute/Readable - Accessed */
2733 };
2734 const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
2735 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
2736 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2737 uint32_t u32Base = pDesc->Gen.u16BaseLow
2738 | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
2739 | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
2740 uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16);
2741 if (pDesc->Gen.u1Granularity)
2742 cbLimit <<= PAGE_SHIFT;
2743
2744 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
2745 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
2746 pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
2747 pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
2748 }
2749 else
2750 {
2751 static const char * const s_apszTypes[] =
2752 {
2753 "Ill-0 ", /* 0 0000 Reserved (Illegal) */
2754 "Tss16A", /* 1 0001 Available 16-bit TSS */
2755 "LDT ", /* 2 0010 LDT */
2756 "Tss16B", /* 3 0011 Busy 16-bit TSS */
2757 "Call16", /* 4 0100 16-bit Call Gate */
2758 "TaskG ", /* 5 0101 Task Gate */
2759 "Int16 ", /* 6 0110 16-bit Interrupt Gate */
2760 "Trap16", /* 7 0111 16-bit Trap Gate */
2761 "Ill-8 ", /* 8 1000 Reserved (Illegal) */
2762 "Tss32A", /* 9 1001 Available 32-bit TSS */
2763 "Ill-A ", /* A 1010 Reserved (Illegal) */
2764 "Tss32B", /* B 1011 Busy 32-bit TSS */
2765 "Call32", /* C 1100 32-bit Call Gate */
2766 "Ill-D ", /* D 1101 Reserved (Illegal) */
2767 "Int32 ", /* E 1110 32-bit Interrupt Gate */
2768 "Trap32" /* F 1111 32-bit Trap Gate */
2769 };
2770 switch (pDesc->Gen.u4Type)
2771 {
2772 /* raw */
2773 case X86_SEL_TYPE_SYS_UNDEFINED:
2774 case X86_SEL_TYPE_SYS_UNDEFINED2:
2775 case X86_SEL_TYPE_SYS_UNDEFINED4:
2776 case X86_SEL_TYPE_SYS_UNDEFINED3:
2777 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
2778 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
2779 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
2780 break;
2781
2782 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
2783 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
2784 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
2785 case X86_SEL_TYPE_SYS_386_TSS_BUSY:
2786 case X86_SEL_TYPE_SYS_LDT:
2787 {
2788 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
2789 const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
2790 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2791 uint32_t u32Base = pDesc->Gen.u16BaseLow
2792 | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
2793 | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
2794 uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16);
2795 if (pDesc->Gen.u1Granularity)
2796 cbLimit <<= PAGE_SHIFT;
2797
2798 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d R=%d%s\n",
2799 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
2800 pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszGranularity, pszBig,
2801 pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1),
2802 pszHyper);
2803 break;
2804 }
2805
2806 case X86_SEL_TYPE_SYS_TASK_GATE:
2807 {
2808 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s TSS=%04x DPL=%d %s%s\n",
2809 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc->au16[1],
2810 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
2811 break;
2812 }
2813
2814 case X86_SEL_TYPE_SYS_286_CALL_GATE:
2815 case X86_SEL_TYPE_SYS_386_CALL_GATE:
2816 {
2817 unsigned cParams = pDesc->au8[4] & 0x1f;
2818 const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
2819 RTSEL sel = pDesc->au16[1];
2820 uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16);
2821 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s %s=%d%s\n",
2822 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
2823 pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper);
2824 break;
2825 }
2826
2827 case X86_SEL_TYPE_SYS_286_INT_GATE:
2828 case X86_SEL_TYPE_SYS_386_INT_GATE:
2829 case X86_SEL_TYPE_SYS_286_TRAP_GATE:
2830 case X86_SEL_TYPE_SYS_386_TRAP_GATE:
2831 {
2832 RTSEL sel = pDesc->au16[1];
2833 uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16);
2834 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s%s\n",
2835 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
2836 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
2837 break;
2838 }
2839
2840 /* impossible, just it's necessary to keep gcc happy. */
2841 default:
2842 return VINF_SUCCESS;
2843 }
2844 }
2845 return rc;
2846}
2847
2848
2849/**
2850 * @callback_method_impl{FNDBGCCMD, The 'dg'\, 'dga'\, 'dl' and 'dla' commands.}
2851 */
2852static DECLCALLBACK(int) dbgcCmdDumpDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2853{
2854 /*
2855 * Validate input.
2856 */
2857 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2858
2859 /*
2860 * Get the CPU mode, check which command variation this is
2861 * and fix a default parameter if needed.
2862 */
2863 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2864 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2865 CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
2866 bool fGdt = pCmd->pszCmd[1] == 'g';
2867 bool fAll = pCmd->pszCmd[2] == 'a';
2868 RTSEL SelTable = fGdt ? 0 : X86_SEL_LDT;
2869
2870 DBGCVAR Var;
2871 if (!cArgs)
2872 {
2873 cArgs = 1;
2874 paArgs = &Var;
2875 Var.enmType = DBGCVAR_TYPE_NUMBER;
2876 Var.u.u64Number = 0;
2877 Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2878 Var.u64Range = 1024;
2879 }
2880
2881 /*
2882 * Process the arguments.
2883 */
2884 for (unsigned i = 0; i < cArgs; i++)
2885 {
2886 /*
2887 * Retrieve the selector value from the argument.
2888 * The parser may confuse pointers and numbers if more than one
2889 * argument is given, that that into account.
2890 */
2891 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER || DBGCVAR_ISPOINTER(paArgs[i].enmType));
2892 uint64_t u64;
2893 unsigned cSels = 1;
2894 switch (paArgs[i].enmType)
2895 {
2896 case DBGCVAR_TYPE_NUMBER:
2897 u64 = paArgs[i].u.u64Number;
2898 if (paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE)
2899 cSels = RT_MIN(paArgs[i].u64Range, 1024);
2900 break;
2901 case DBGCVAR_TYPE_GC_FAR: u64 = paArgs[i].u.GCFar.sel; break;
2902 case DBGCVAR_TYPE_GC_FLAT: u64 = paArgs[i].u.GCFlat; break;
2903 case DBGCVAR_TYPE_GC_PHYS: u64 = paArgs[i].u.GCPhys; break;
2904 case DBGCVAR_TYPE_HC_FLAT: u64 = (uintptr_t)paArgs[i].u.pvHCFlat; break;
2905 case DBGCVAR_TYPE_HC_PHYS: u64 = paArgs[i].u.HCPhys; break;
2906 default: u64 = _64K; break;
2907 }
2908 if (u64 < _64K)
2909 {
2910 unsigned Sel = (RTSEL)u64;
2911
2912 /*
2913 * Dump the specified range.
2914 */
2915 bool fSingle = cSels == 1;
2916 while ( cSels-- > 0
2917 && Sel < _64K)
2918 {
2919 DBGFSELINFO SelInfo;
2920 int rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, Sel | SelTable, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
2921 if (RT_SUCCESS(rc))
2922 {
2923 if (SelInfo.fFlags & DBGFSELINFO_FLAGS_REAL_MODE)
2924 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x RealM Bas=%04x Lim=%04x\n",
2925 Sel, (unsigned)SelInfo.GCPtrBase, (unsigned)SelInfo.cbLimit);
2926 else if ( fAll
2927 || fSingle
2928 || SelInfo.u.Raw.Gen.u1Present)
2929 {
2930 if (enmMode == CPUMMODE_PROTECTED)
2931 rc = dbgcCmdDumpDTWorker32(pCmdHlp, &SelInfo.u.Raw, Sel, !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER));
2932 else
2933 {
2934 bool fDblSkip = false;
2935 rc = dbgcCmdDumpDTWorker64(pCmdHlp, &SelInfo.u.Raw64, Sel, !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), &fDblSkip);
2936 if (fDblSkip)
2937 Sel += 4;
2938 }
2939 }
2940 }
2941 else
2942 {
2943 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %Rrc\n", Sel, rc);
2944 if (!fAll)
2945 return rc;
2946 }
2947 if (RT_FAILURE(rc))
2948 return rc;
2949
2950 /* next */
2951 Sel += 8;
2952 }
2953 }
2954 else
2955 DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds\n", u64);
2956 }
2957
2958 return VINF_SUCCESS;
2959}
2960
2961
2962/**
2963 * @callback_method_impl{FNDBGCCMD, The 'di' and 'dia' commands.}
2964 */
2965static DECLCALLBACK(int) dbgcCmdDumpIDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2966{
2967 /*
2968 * Validate input.
2969 */
2970 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2971
2972 /*
2973 * Establish some stuff like the current IDTR and CPU mode,
2974 * and fix a default parameter.
2975 */
2976 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2977 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2978 uint16_t cbLimit;
2979 RTGCUINTPTR GCPtrBase = CPUMGetGuestIDTR(pVCpu, &cbLimit);
2980 CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
2981 unsigned cbEntry;
2982 switch (enmMode)
2983 {
2984 case CPUMMODE_REAL: cbEntry = sizeof(RTFAR16); break;
2985 case CPUMMODE_PROTECTED: cbEntry = sizeof(X86DESC); break;
2986 case CPUMMODE_LONG: cbEntry = sizeof(X86DESC64); break;
2987 default:
2988 return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid CPU mode %d.\n", enmMode);
2989 }
2990
2991 bool fAll = pCmd->pszCmd[2] == 'a';
2992 DBGCVAR Var;
2993 if (!cArgs)
2994 {
2995 cArgs = 1;
2996 paArgs = &Var;
2997 Var.enmType = DBGCVAR_TYPE_NUMBER;
2998 Var.u.u64Number = 0;
2999 Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3000 Var.u64Range = 256;
3001 }
3002
3003 /*
3004 * Process the arguments.
3005 */
3006 for (unsigned i = 0; i < cArgs; i++)
3007 {
3008 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER);
3009 if (paArgs[i].u.u64Number < 256)
3010 {
3011 RTGCUINTPTR iInt = (RTGCUINTPTR)paArgs[i].u.u64Number;
3012 unsigned cInts = paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE
3013 ? paArgs[i].u64Range
3014 : 1;
3015 bool fSingle = cInts == 1;
3016 while ( cInts-- > 0
3017 && iInt < 256)
3018 {
3019 /*
3020 * Try read it.
3021 */
3022 union
3023 {
3024 RTFAR16 Real;
3025 X86DESC Prot;
3026 X86DESC64 Long;
3027 } u;
3028 if (iInt * cbEntry + (cbEntry - 1) > cbLimit)
3029 {
3030 DBGCCmdHlpPrintf(pCmdHlp, "%04x not within the IDT\n", (unsigned)iInt);
3031 if (!fAll && !fSingle)
3032 return VINF_SUCCESS;
3033 }
3034 DBGCVAR AddrVar;
3035 AddrVar.enmType = DBGCVAR_TYPE_GC_FLAT;
3036 AddrVar.u.GCFlat = GCPtrBase + iInt * cbEntry;
3037 AddrVar.enmRangeType = DBGCVAR_RANGE_NONE;
3038 int rc = pCmdHlp->pfnMemRead(pCmdHlp, &u, cbEntry, &AddrVar, NULL);
3039 if (RT_FAILURE(rc))
3040 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading IDT entry %#04x.\n", (unsigned)iInt);
3041
3042 /*
3043 * Display it.
3044 */
3045 switch (enmMode)
3046 {
3047 case CPUMMODE_REAL:
3048 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %RTfp16\n", (unsigned)iInt, u.Real);
3049 /** @todo resolve 16:16 IDTE to a symbol */
3050 break;
3051 case CPUMMODE_PROTECTED:
3052 if (fAll || fSingle || u.Prot.Gen.u1Present)
3053 rc = dbgcCmdDumpDTWorker32(pCmdHlp, &u.Prot, iInt, false);
3054 break;
3055 case CPUMMODE_LONG:
3056 if (fAll || fSingle || u.Long.Gen.u1Present)
3057 rc = dbgcCmdDumpDTWorker64(pCmdHlp, &u.Long, iInt, false, NULL);
3058 break;
3059 default: break; /* to shut up gcc */
3060 }
3061 if (RT_FAILURE(rc))
3062 return rc;
3063
3064 /* next */
3065 iInt++;
3066 }
3067 }
3068 else
3069 DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds (max 256)\n", paArgs[i].u.u64Number);
3070 }
3071
3072 return VINF_SUCCESS;
3073}
3074
3075
3076/**
3077 * @callback_method_impl{FNDBGCCMD,
3078 * The 'da'\, 'dq'\, 'dd'\, 'dw' and 'db' commands.}
3079 */
3080static DECLCALLBACK(int) dbgcCmdDumpMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3081{
3082 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3083
3084 /*
3085 * Validate input.
3086 */
3087 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3088 if (cArgs == 1)
3089 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3090 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3091
3092 /*
3093 * Figure out the element size.
3094 */
3095 unsigned cbElement;
3096 bool fAscii = false;
3097 switch (pCmd->pszCmd[1])
3098 {
3099 default:
3100 case 'b': cbElement = 1; break;
3101 case 'w': cbElement = 2; break;
3102 case 'd': cbElement = 4; break;
3103 case 'q': cbElement = 8; break;
3104 case 'a':
3105 cbElement = 1;
3106 fAscii = true;
3107 break;
3108 case '\0':
3109 fAscii = !!(pDbgc->cbDumpElement & 0x80000000);
3110 cbElement = pDbgc->cbDumpElement & 0x7fffffff;
3111 if (!cbElement)
3112 cbElement = 1;
3113 break;
3114 }
3115
3116 /*
3117 * Find address.
3118 */
3119 if (!cArgs)
3120 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_NONE;
3121 else
3122 pDbgc->DumpPos = paArgs[0];
3123
3124 /*
3125 * Range.
3126 */
3127 switch (pDbgc->DumpPos.enmRangeType)
3128 {
3129 case DBGCVAR_RANGE_NONE:
3130 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3131 pDbgc->DumpPos.u64Range = 0x60;
3132 break;
3133
3134 case DBGCVAR_RANGE_ELEMENTS:
3135 if (pDbgc->DumpPos.u64Range > 2048)
3136 return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many elements requested. Max is 2048 elements.\n");
3137 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3138 pDbgc->DumpPos.u64Range = (cbElement ? cbElement : 1) * pDbgc->DumpPos.u64Range;
3139 break;
3140
3141 case DBGCVAR_RANGE_BYTES:
3142 if (pDbgc->DumpPos.u64Range > 65536)
3143 return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
3144 break;
3145
3146 default:
3147 return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->DumpPos.enmRangeType);
3148 }
3149
3150 pDbgc->pLastPos = &pDbgc->DumpPos;
3151
3152 /*
3153 * Do the dumping.
3154 */
3155 pDbgc->cbDumpElement = cbElement | (fAscii << 31);
3156 int cbLeft = (int)pDbgc->DumpPos.u64Range;
3157 uint8_t u8Prev = '\0';
3158 for (;;)
3159 {
3160 /*
3161 * Read memory.
3162 */
3163 char achBuffer[16];
3164 size_t cbReq = RT_MIN((int)sizeof(achBuffer), cbLeft);
3165 size_t cb = RT_MIN((int)sizeof(achBuffer), cbLeft);
3166 int rc = pCmdHlp->pfnMemRead(pCmdHlp, &achBuffer, cbReq, &pDbgc->DumpPos, &cb);
3167 if (RT_FAILURE(rc))
3168 {
3169 if (u8Prev && u8Prev != '\n')
3170 DBGCCmdHlpPrintf(pCmdHlp, "\n");
3171 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading memory at %DV.\n", &pDbgc->DumpPos);
3172 }
3173
3174 /*
3175 * Display it.
3176 */
3177 memset(&achBuffer[cb], 0, sizeof(achBuffer) - cb);
3178 if (!fAscii)
3179 {
3180 DBGCCmdHlpPrintf(pCmdHlp, "%DV:", &pDbgc->DumpPos);
3181 unsigned i;
3182 for (i = 0; i < cb; i += cbElement)
3183 {
3184 const char *pszSpace = " ";
3185 if (cbElement <= 2 && i == 8 && !fAscii)
3186 pszSpace = "-";
3187 switch (cbElement)
3188 {
3189 case 1: DBGCCmdHlpPrintf(pCmdHlp, "%s%02x", pszSpace, *(uint8_t *)&achBuffer[i]); break;
3190 case 2: DBGCCmdHlpPrintf(pCmdHlp, "%s%04x", pszSpace, *(uint16_t *)&achBuffer[i]); break;
3191 case 4: DBGCCmdHlpPrintf(pCmdHlp, "%s%08x", pszSpace, *(uint32_t *)&achBuffer[i]); break;
3192 case 8: DBGCCmdHlpPrintf(pCmdHlp, "%s%016llx", pszSpace, *(uint64_t *)&achBuffer[i]); break;
3193 }
3194 }
3195
3196 /* chars column */
3197 if (pDbgc->cbDumpElement == 1)
3198 {
3199 while (i++ < sizeof(achBuffer))
3200 DBGCCmdHlpPrintf(pCmdHlp, " ");
3201 DBGCCmdHlpPrintf(pCmdHlp, " ");
3202 for (i = 0; i < cb; i += cbElement)
3203 {
3204 uint8_t u8 = *(uint8_t *)&achBuffer[i];
3205 if (RT_C_IS_PRINT(u8) && u8 < 127 && u8 >= 32)
3206 DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
3207 else
3208 DBGCCmdHlpPrintf(pCmdHlp, ".");
3209 }
3210 }
3211 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3212 }
3213 else
3214 {
3215 /*
3216 * We print up to the first zero and stop there.
3217 * Only printables + '\t' and '\n' are printed.
3218 */
3219 if (!u8Prev)
3220 DBGCCmdHlpPrintf(pCmdHlp, "%DV:\n", &pDbgc->DumpPos);
3221 uint8_t u8 = '\0';
3222 unsigned i;
3223 for (i = 0; i < cb; i++)
3224 {
3225 u8Prev = u8;
3226 u8 = *(uint8_t *)&achBuffer[i];
3227 if ( u8 < 127
3228 && ( (RT_C_IS_PRINT(u8) && u8 >= 32)
3229 || u8 == '\t'
3230 || u8 == '\n'))
3231 DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
3232 else if (!u8)
3233 break;
3234 else
3235 DBGCCmdHlpPrintf(pCmdHlp, "\\x%x", u8);
3236 }
3237 if (u8 == '\0')
3238 cb = cbLeft = i + 1;
3239 if (cbLeft - cb <= 0 && u8Prev != '\n')
3240 DBGCCmdHlpPrintf(pCmdHlp, "\n");
3241 }
3242
3243 /*
3244 * Advance
3245 */
3246 cbLeft -= (int)cb;
3247 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DumpPos, "(%Dv) + %x", &pDbgc->DumpPos, cb);
3248 if (RT_FAILURE(rc))
3249 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->DumpPos, cb);
3250 if (cbLeft <= 0)
3251 break;
3252 }
3253
3254 NOREF(pCmd);
3255 return VINF_SUCCESS;
3256}
3257
3258
3259/**
3260 * Best guess at which paging mode currently applies to the guest
3261 * paging structures.
3262 *
3263 * This have to come up with a decent answer even when the guest
3264 * is in non-paged protected mode or real mode.
3265 *
3266 * @returns cr3.
3267 * @param pDbgc The DBGC instance.
3268 * @param pfPAE Where to store the page address extension indicator.
3269 * @param pfLME Where to store the long mode enabled indicator.
3270 * @param pfPSE Where to store the page size extension indicator.
3271 * @param pfPGE Where to store the page global enabled indicator.
3272 * @param pfNXE Where to store the no-execution enabled indicator.
3273 */
3274static RTGCPHYS dbgcGetGuestPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE)
3275{
3276 PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3277 RTGCUINTREG cr4 = CPUMGetGuestCR4(pVCpu);
3278 *pfPSE = !!(cr4 & X86_CR4_PSE);
3279 *pfPGE = !!(cr4 & X86_CR4_PGE);
3280 if (cr4 & X86_CR4_PAE)
3281 {
3282 *pfPSE = true;
3283 *pfPAE = true;
3284 }
3285 else
3286 *pfPAE = false;
3287
3288 *pfLME = CPUMGetGuestMode(pVCpu) == CPUMMODE_LONG;
3289 *pfNXE = false; /* GUEST64 GUESTNX */
3290 return CPUMGetGuestCR3(pVCpu);
3291}
3292
3293
3294/**
3295 * Determine the shadow paging mode.
3296 *
3297 * @returns cr3.
3298 * @param pDbgc The DBGC instance.
3299 * @param pfPAE Where to store the page address extension indicator.
3300 * @param pfLME Where to store the long mode enabled indicator.
3301 * @param pfPSE Where to store the page size extension indicator.
3302 * @param pfPGE Where to store the page global enabled indicator.
3303 * @param pfNXE Where to store the no-execution enabled indicator.
3304 */
3305static RTHCPHYS dbgcGetShadowPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE)
3306{
3307 PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3308
3309 *pfPSE = true;
3310 *pfPGE = false;
3311 switch (PGMGetShadowMode(pVCpu))
3312 {
3313 default:
3314 case PGMMODE_32_BIT:
3315 *pfPAE = *pfLME = *pfNXE = false;
3316 break;
3317 case PGMMODE_PAE:
3318 *pfLME = *pfNXE = false;
3319 *pfPAE = true;
3320 break;
3321 case PGMMODE_PAE_NX:
3322 *pfLME = false;
3323 *pfPAE = *pfNXE = true;
3324 break;
3325 case PGMMODE_AMD64:
3326 *pfNXE = false;
3327 *pfPAE = *pfLME = true;
3328 break;
3329 case PGMMODE_AMD64_NX:
3330 *pfPAE = *pfLME = *pfNXE = true;
3331 break;
3332 }
3333 return PGMGetHyperCR3(pVCpu);
3334}
3335
3336
3337/**
3338 * @callback_method_impl{FNDBGCCMD,
3339 * The 'dpd'\, 'dpda'\, 'dpdb'\, 'dpdg' and 'dpdh' commands.}
3340 */
3341static DECLCALLBACK(int) dbgcCmdDumpPageDir(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3342{
3343 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3344
3345 /*
3346 * Validate input.
3347 */
3348 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3349 if (cArgs == 1 && pCmd->pszCmd[3] == 'a')
3350 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3351 if (cArgs == 1 && pCmd->pszCmd[3] != 'a')
3352 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3353 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
3354 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3355
3356 /*
3357 * Guest or shadow page directories? Get the paging parameters.
3358 */
3359 bool fGuest = pCmd->pszCmd[3] != 'h';
3360 if (!pCmd->pszCmd[3] || pCmd->pszCmd[3] == 'a')
3361 fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3362 ? pDbgc->fRegCtxGuest
3363 : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
3364
3365 bool fPAE, fLME, fPSE, fPGE, fNXE;
3366 uint64_t cr3 = fGuest
3367 ? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
3368 : dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
3369 const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
3370
3371 /*
3372 * Setup default argument if none was specified.
3373 * Fix address / index confusion.
3374 */
3375 DBGCVAR VarDefault;
3376 if (!cArgs)
3377 {
3378 if (pCmd->pszCmd[3] == 'a')
3379 {
3380 if (fLME || fPAE)
3381 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");
3382 if (fGuest)
3383 DBGCVAR_INIT_GC_PHYS(&VarDefault, cr3);
3384 else
3385 DBGCVAR_INIT_HC_PHYS(&VarDefault, cr3);
3386 }
3387 else
3388 DBGCVAR_INIT_GC_FLAT(&VarDefault, 0);
3389 paArgs = &VarDefault;
3390 cArgs = 1;
3391 }
3392 else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
3393 {
3394 /* If it's a number (not an address), it's an index, so convert it to an address. */
3395 Assert(pCmd->pszCmd[3] != 'a');
3396 VarDefault = paArgs[0];
3397 if (fPAE)
3398 return DBGCCmdHlpPrintf(pCmdHlp, "PDE indexing is only implemented for 32-bit paging.\n");
3399 if (VarDefault.u.u64Number >= PAGE_SIZE / cbEntry)
3400 return DBGCCmdHlpPrintf(pCmdHlp, "PDE index is out of range [0..%d].\n", PAGE_SIZE / cbEntry - 1);
3401 VarDefault.u.u64Number <<= X86_PD_SHIFT;
3402 VarDefault.enmType = DBGCVAR_TYPE_GC_FLAT;
3403 paArgs = &VarDefault;
3404 }
3405
3406 /*
3407 * Locate the PDE to start displaying at.
3408 *
3409 * The 'dpda' command takes the address of a PDE, while the others are guest
3410 * virtual address which PDEs should be displayed. So, 'dpda' is rather simple
3411 * while the others require us to do all the tedious walking thru the paging
3412 * hierarchy to find the intended PDE.
3413 */
3414 unsigned iEntry = ~0U; /* The page directory index. ~0U for 'dpta'. */
3415 DBGCVAR VarGCPtr = { NULL, }; /* The GC address corresponding to the current PDE (iEntry != ~0U). */
3416 DBGCVAR VarPDEAddr; /* The address of the current PDE. */
3417 unsigned cEntries; /* The number of entries to display. */
3418 unsigned cEntriesMax; /* The max number of entries to display. */
3419 int rc;
3420 if (pCmd->pszCmd[3] == 'a')
3421 {
3422 VarPDEAddr = paArgs[0];
3423 switch (VarPDEAddr.enmRangeType)
3424 {
3425 case DBGCVAR_RANGE_BYTES: cEntries = VarPDEAddr.u64Range / cbEntry; break;
3426 case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPDEAddr.u64Range; break;
3427 default: cEntries = 10; break;
3428 }
3429 cEntriesMax = PAGE_SIZE / cbEntry;
3430 }
3431 else
3432 {
3433 /*
3434 * Determine the range.
3435 */
3436 switch (paArgs[0].enmRangeType)
3437 {
3438 case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
3439 case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
3440 default: cEntries = 10; break;
3441 }
3442
3443 /*
3444 * Normalize the input address, it must be a flat GC address.
3445 */
3446 rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
3447 if (RT_FAILURE(rc))
3448 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
3449 if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
3450 {
3451 VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
3452 VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
3453 }
3454 if (fPAE)
3455 VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_PAE_SHIFT) - 1);
3456 else
3457 VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_SHIFT) - 1);
3458
3459 /*
3460 * Do the paging walk until we get to the page directory.
3461 */
3462 DBGCVAR VarCur;
3463 if (fGuest)
3464 DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
3465 else
3466 DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
3467 if (fLME)
3468 {
3469 /* Page Map Level 4 Lookup. */
3470 /* Check if it's a valid address first? */
3471 VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
3472 VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
3473 X86PML4E Pml4e;
3474 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
3475 if (RT_FAILURE(rc))
3476 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
3477 if (!Pml4e.n.u1Present)
3478 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
3479
3480 VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
3481 Assert(fPAE);
3482 }
3483 if (fPAE)
3484 {
3485 /* Page directory pointer table. */
3486 X86PDPE Pdpe;
3487 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
3488 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
3489 if (RT_FAILURE(rc))
3490 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
3491 if (!Pdpe.n.u1Present)
3492 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
3493
3494 iEntry = (VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK;
3495 VarPDEAddr = VarCur;
3496 VarPDEAddr.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
3497 VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDEPAE);
3498 }
3499 else
3500 {
3501 /* 32-bit legacy - CR3 == page directory. */
3502 iEntry = (VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK;
3503 VarPDEAddr = VarCur;
3504 VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDE);
3505 }
3506 cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
3507 }
3508
3509 /* adjust cEntries */
3510 cEntries = RT_MAX(1, cEntries);
3511 cEntries = RT_MIN(cEntries, cEntriesMax);
3512
3513 /*
3514 * The display loop.
3515 */
3516 DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (index %#x):\n" : "%DV:\n",
3517 &VarPDEAddr, iEntry);
3518 do
3519 {
3520 /*
3521 * Read.
3522 */
3523 X86PDEPAE Pde;
3524 Pde.u = 0;
3525 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, cbEntry, &VarPDEAddr, NULL);
3526 if (RT_FAILURE(rc))
3527 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarPDEAddr);
3528
3529 /*
3530 * Display.
3531 */
3532 if (iEntry != ~0U)
3533 {
3534 DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
3535 iEntry++;
3536 }
3537 if (fPSE && Pde.b.u1Size)
3538 DBGCCmdHlpPrintf(pCmdHlp,
3539 fPAE
3540 ? "%016llx big phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
3541 : "%08llx big phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
3542 Pde.u,
3543 Pde.u & X86_PDE_PAE_PG_MASK,
3544 Pde.b.u1Present ? "p " : "np",
3545 Pde.b.u1Write ? "w" : "r",
3546 Pde.b.u1User ? "u" : "s",
3547 Pde.b.u1Accessed ? "a " : "na",
3548 Pde.b.u1Dirty ? "d " : "nd",
3549 Pde.b.u3Available,
3550 Pde.b.u1Global ? (fPGE ? "g" : "G") : " ",
3551 Pde.b.u1WriteThru ? "pwt" : " ",
3552 Pde.b.u1CacheDisable ? "pcd" : " ",
3553 Pde.b.u1PAT ? "pat" : "",
3554 Pde.b.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
3555 else
3556 DBGCCmdHlpPrintf(pCmdHlp,
3557 fPAE
3558 ? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s"
3559 : "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s",
3560 Pde.u,
3561 Pde.u & X86_PDE_PAE_PG_MASK,
3562 Pde.n.u1Present ? "p " : "np",
3563 Pde.n.u1Write ? "w" : "r",
3564 Pde.n.u1User ? "u" : "s",
3565 Pde.n.u1Accessed ? "a " : "na",
3566 Pde.u & RT_BIT(6) ? "6 " : " ",
3567 Pde.n.u3Available,
3568 Pde.u & RT_BIT(8) ? "8" : " ",
3569 Pde.n.u1WriteThru ? "pwt" : " ",
3570 Pde.n.u1CacheDisable ? "pcd" : " ",
3571 Pde.u & RT_BIT(7) ? "7" : "",
3572 Pde.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
3573 if (Pde.u & UINT64_C(0x7fff000000000000))
3574 DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pde.u & UINT64_C(0x7fff000000000000)));
3575 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3576 if (RT_FAILURE(rc))
3577 return rc;
3578
3579 /*
3580 * Advance.
3581 */
3582 VarPDEAddr.u.u64Number += cbEntry;
3583 if (iEntry != ~0U)
3584 VarGCPtr.u.GCFlat += fPAE ? RT_BIT_32(X86_PD_PAE_SHIFT) : RT_BIT_32(X86_PD_SHIFT);
3585 } while (cEntries-- > 0);
3586
3587 return VINF_SUCCESS;
3588}
3589
3590
3591/**
3592 * @callback_method_impl{FNDBGCCMD, The 'dpdb' command.}
3593 */
3594static DECLCALLBACK(int) dbgcCmdDumpPageDirBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3595{
3596 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3597 int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dpdg %DV", &paArgs[0]);
3598 int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpdh %DV", &paArgs[0]);
3599 if (RT_FAILURE(rc1))
3600 return rc1;
3601 NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
3602 return rc2;
3603}
3604
3605
3606/**
3607 * @callback_method_impl{FNDBGCCMD, The 'dph*' commands and main part of 'm'.}
3608 */
3609static DECLCALLBACK(int) dbgcCmdDumpPageHierarchy(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3610{
3611 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3612 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3613
3614 /*
3615 * Figure the context and base flags.
3616 */
3617 uint32_t fFlags = DBGFPGDMP_FLAGS_PAGE_INFO | DBGFPGDMP_FLAGS_PRINT_CR3;
3618 if (pCmd->pszCmd[0] == 'm')
3619 fFlags |= DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW;
3620 else if (pCmd->pszCmd[3] == '\0')
3621 fFlags |= pDbgc->fRegCtxGuest ? DBGFPGDMP_FLAGS_GUEST : DBGFPGDMP_FLAGS_SHADOW;
3622 else if (pCmd->pszCmd[3] == 'g')
3623 fFlags |= DBGFPGDMP_FLAGS_GUEST;
3624 else if (pCmd->pszCmd[3] == 'h')
3625 fFlags |= DBGFPGDMP_FLAGS_SHADOW;
3626 else
3627 AssertFailed();
3628
3629 if (pDbgc->cPagingHierarchyDumps == 0)
3630 fFlags |= DBGFPGDMP_FLAGS_HEADER;
3631 pDbgc->cPagingHierarchyDumps = (pDbgc->cPagingHierarchyDumps + 1) % 42;
3632
3633 /*
3634 * Get the range.
3635 */
3636 PCDBGCVAR pRange = cArgs > 0 ? &paArgs[0] : pDbgc->pLastPos;
3637 RTGCPTR GCPtrFirst = NIL_RTGCPTR;
3638 int rc = DBGCCmdHlpVarToFlatAddr(pCmdHlp, pRange, &GCPtrFirst);
3639 if (RT_FAILURE(rc))
3640 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to convert %DV to a flat address: %Rrc", pRange, rc);
3641
3642 uint64_t cbRange;
3643 rc = DBGCCmdHlpVarGetRange(pCmdHlp, pRange, PAGE_SIZE, PAGE_SIZE * 8, &cbRange);
3644 if (RT_FAILURE(rc))
3645 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to obtain the range of %DV: %Rrc", pRange, rc);
3646
3647 RTGCPTR GCPtrLast = RTGCPTR_MAX - GCPtrFirst;
3648 if (cbRange >= GCPtrLast)
3649 GCPtrLast = RTGCPTR_MAX;
3650 else if (!cbRange)
3651 GCPtrLast = GCPtrFirst;
3652 else
3653 GCPtrLast = GCPtrFirst + cbRange - 1;
3654
3655 /*
3656 * Do we have a CR3?
3657 */
3658 uint64_t cr3 = 0;
3659 if (cArgs > 1)
3660 {
3661 if ((fFlags & (DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW)) == (DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW))
3662 return DBGCCmdHlpFail(pCmdHlp, pCmd, "No CR3 or mode arguments when dumping both context, please.");
3663 if (paArgs[1].enmType != DBGCVAR_TYPE_NUMBER)
3664 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The CR3 argument is not a number: %DV", &paArgs[1]);
3665 cr3 = paArgs[1].u.u64Number;
3666 }
3667 else
3668 fFlags |= DBGFPGDMP_FLAGS_CURRENT_CR3;
3669
3670 /*
3671 * Do we have a mode?
3672 */
3673 if (cArgs > 2)
3674 {
3675 if (paArgs[2].enmType != DBGCVAR_TYPE_STRING)
3676 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The mode argument is not a string: %DV", &paArgs[2]);
3677 static const struct MODETOFLAGS
3678 {
3679 const char *pszName;
3680 uint32_t fFlags;
3681 } s_aModeToFlags[] =
3682 {
3683 { "ept", DBGFPGDMP_FLAGS_EPT },
3684 { "legacy", 0 },
3685 { "legacy-np", DBGFPGDMP_FLAGS_NP },
3686 { "pse", DBGFPGDMP_FLAGS_PSE },
3687 { "pse-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_NP },
3688 { "pae", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE },
3689 { "pae-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NP },
3690 { "pae-nx", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NXE },
3691 { "pae-nx-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NXE | DBGFPGDMP_FLAGS_NP },
3692 { "long", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME },
3693 { "long-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NP },
3694 { "long-nx", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NXE },
3695 { "long-nx-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NXE | DBGFPGDMP_FLAGS_NP }
3696 };
3697 int i = RT_ELEMENTS(s_aModeToFlags);
3698 while (i-- > 0)
3699 if (!strcmp(s_aModeToFlags[i].pszName, paArgs[2].u.pszString))
3700 {
3701 fFlags |= s_aModeToFlags[i].fFlags;
3702 break;
3703 }
3704 if (i < 0)
3705 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown mode: \"%s\"", paArgs[2].u.pszString);
3706 }
3707 else
3708 fFlags |= DBGFPGDMP_FLAGS_CURRENT_MODE;
3709
3710 /*
3711 * Call the worker.
3712 */
3713 rc = DBGFR3PagingDumpEx(pUVM, pDbgc->idCpu, fFlags, cr3, GCPtrFirst, GCPtrLast, 99 /*cMaxDepth*/,
3714 DBGCCmdHlpGetDbgfOutputHlp(pCmdHlp));
3715 if (RT_FAILURE(rc))
3716 return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3PagingDumpEx: %Rrc\n", rc);
3717 return VINF_SUCCESS;
3718}
3719
3720
3721
3722/**
3723 * @callback_method_impl{FNDBGCCMD, The 'dpg*' commands.}
3724 */
3725static DECLCALLBACK(int) dbgcCmdDumpPageTable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3726{
3727 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3728
3729 /*
3730 * Validate input.
3731 */
3732 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1);
3733 if (pCmd->pszCmd[3] == 'a')
3734 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3735 else
3736 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3737 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
3738 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3739
3740 /*
3741 * Guest or shadow page tables? Get the paging parameters.
3742 */
3743 bool fGuest = pCmd->pszCmd[3] != 'h';
3744 if (!pCmd->pszCmd[3] || pCmd->pszCmd[3] == 'a')
3745 fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3746 ? pDbgc->fRegCtxGuest
3747 : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
3748
3749 bool fPAE, fLME, fPSE, fPGE, fNXE;
3750 uint64_t cr3 = fGuest
3751 ? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
3752 : dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
3753 const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
3754
3755 /*
3756 * Locate the PTE to start displaying at.
3757 *
3758 * The 'dpta' command takes the address of a PTE, while the others are guest
3759 * virtual address which PTEs should be displayed. So, 'pdta' is rather simple
3760 * while the others require us to do all the tedious walking thru the paging
3761 * hierarchy to find the intended PTE.
3762 */
3763 unsigned iEntry = ~0U; /* The page table index. ~0U for 'dpta'. */
3764 DBGCVAR VarGCPtr; /* The GC address corresponding to the current PTE (iEntry != ~0U). */
3765 DBGCVAR VarPTEAddr; /* The address of the current PTE. */
3766 unsigned cEntries; /* The number of entries to display. */
3767 unsigned cEntriesMax; /* The max number of entries to display. */
3768 int rc;
3769 if (pCmd->pszCmd[3] == 'a')
3770 {
3771 VarPTEAddr = paArgs[0];
3772 switch (VarPTEAddr.enmRangeType)
3773 {
3774 case DBGCVAR_RANGE_BYTES: cEntries = VarPTEAddr.u64Range / cbEntry; break;
3775 case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPTEAddr.u64Range; break;
3776 default: cEntries = 10; break;
3777 }
3778 cEntriesMax = PAGE_SIZE / cbEntry;
3779 }
3780 else
3781 {
3782 /*
3783 * Determine the range.
3784 */
3785 switch (paArgs[0].enmRangeType)
3786 {
3787 case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
3788 case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
3789 default: cEntries = 10; break;
3790 }
3791
3792 /*
3793 * Normalize the input address, it must be a flat GC address.
3794 */
3795 rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
3796 if (RT_FAILURE(rc))
3797 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
3798 if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
3799 {
3800 VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
3801 VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
3802 }
3803 VarGCPtr.u.GCFlat &= ~(RTGCPTR)PAGE_OFFSET_MASK;
3804
3805 /*
3806 * Do the paging walk until we get to the page table.
3807 */
3808 DBGCVAR VarCur;
3809 if (fGuest)
3810 DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
3811 else
3812 DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
3813 if (fLME)
3814 {
3815 /* Page Map Level 4 Lookup. */
3816 /* Check if it's a valid address first? */
3817 VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
3818 VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
3819 X86PML4E Pml4e;
3820 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
3821 if (RT_FAILURE(rc))
3822 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
3823 if (!Pml4e.n.u1Present)
3824 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
3825
3826 VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
3827 Assert(fPAE);
3828 }
3829 if (fPAE)
3830 {
3831 /* Page directory pointer table. */
3832 X86PDPE Pdpe;
3833 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
3834 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
3835 if (RT_FAILURE(rc))
3836 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
3837 if (!Pdpe.n.u1Present)
3838 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
3839
3840 VarCur.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
3841
3842 /* Page directory (PAE). */
3843 X86PDEPAE Pde;
3844 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK) * sizeof(Pde);
3845 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
3846 if (RT_FAILURE(rc))
3847 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
3848 if (!Pde.n.u1Present)
3849 return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
3850 if (fPSE && Pde.n.u1Size)
3851 return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
3852
3853 iEntry = (VarGCPtr.u.GCFlat >> X86_PT_PAE_SHIFT) & X86_PT_PAE_MASK;
3854 VarPTEAddr = VarCur;
3855 VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PAE_PG_MASK;
3856 VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTEPAE);
3857 }
3858 else
3859 {
3860 /* Page directory (legacy). */
3861 X86PDE Pde;
3862 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK) * sizeof(Pde);
3863 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
3864 if (RT_FAILURE(rc))
3865 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
3866 if (!Pde.n.u1Present)
3867 return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
3868 if (fPSE && Pde.n.u1Size)
3869 return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
3870
3871 iEntry = (VarGCPtr.u.GCFlat >> X86_PT_SHIFT) & X86_PT_MASK;
3872 VarPTEAddr = VarCur;
3873 VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PG_MASK;
3874 VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTE);
3875 }
3876 cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
3877 }
3878
3879 /* adjust cEntries */
3880 cEntries = RT_MAX(1, cEntries);
3881 cEntries = RT_MIN(cEntries, cEntriesMax);
3882
3883 /*
3884 * The display loop.
3885 */
3886 DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (base %DV / index %#x):\n" : "%DV:\n",
3887 &VarPTEAddr, &VarGCPtr, iEntry);
3888 do
3889 {
3890 /*
3891 * Read.
3892 */
3893 X86PTEPAE Pte;
3894 Pte.u = 0;
3895 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pte, cbEntry, &VarPTEAddr, NULL);
3896 if (RT_FAILURE(rc))
3897 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PTE memory at %DV.\n", &VarPTEAddr);
3898
3899 /*
3900 * Display.
3901 */
3902 if (iEntry != ~0U)
3903 {
3904 DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
3905 iEntry++;
3906 }
3907 DBGCCmdHlpPrintf(pCmdHlp,
3908 fPAE
3909 ? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
3910 : "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
3911 Pte.u,
3912 Pte.u & X86_PTE_PAE_PG_MASK,
3913 Pte.n.u1Present ? "p " : "np",
3914 Pte.n.u1Write ? "w" : "r",
3915 Pte.n.u1User ? "u" : "s",
3916 Pte.n.u1Accessed ? "a " : "na",
3917 Pte.n.u1Dirty ? "d " : "nd",
3918 Pte.n.u3Available,
3919 Pte.n.u1Global ? (fPGE ? "g" : "G") : " ",
3920 Pte.n.u1WriteThru ? "pwt" : " ",
3921 Pte.n.u1CacheDisable ? "pcd" : " ",
3922 Pte.n.u1PAT ? "pat" : " ",
3923 Pte.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " "
3924 );
3925 if (Pte.u & UINT64_C(0x7fff000000000000))
3926 DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pte.u & UINT64_C(0x7fff000000000000)));
3927 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3928 if (RT_FAILURE(rc))
3929 return rc;
3930
3931 /*
3932 * Advance.
3933 */
3934 VarPTEAddr.u.u64Number += cbEntry;
3935 if (iEntry != ~0U)
3936 VarGCPtr.u.GCFlat += PAGE_SIZE;
3937 } while (cEntries-- > 0);
3938
3939 return VINF_SUCCESS;
3940}
3941
3942
3943/**
3944 * @callback_method_impl{FNDBGCCMD, The 'dptb' command.}
3945 */
3946static DECLCALLBACK(int) dbgcCmdDumpPageTableBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3947{
3948 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3949 int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dptg %DV", &paArgs[0]);
3950 int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpth %DV", &paArgs[0]);
3951 if (RT_FAILURE(rc1))
3952 return rc1;
3953 NOREF(pCmd); NOREF(cArgs);
3954 return rc2;
3955}
3956
3957
3958/**
3959 * @callback_method_impl{FNDBGCCMD, The 'dt' command.}
3960 */
3961static DECLCALLBACK(int) dbgcCmdDumpTSS(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3962{
3963 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3964 int rc;
3965
3966 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3967 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3968 if (cArgs == 1)
3969 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType != DBGCVAR_TYPE_STRING
3970 && paArgs[0].enmType != DBGCVAR_TYPE_SYMBOL);
3971
3972 /*
3973 * Check if the command indicates the type.
3974 */
3975 enum { kTss16, kTss32, kTss64, kTssToBeDetermined } enmTssType = kTssToBeDetermined;
3976 if (!strcmp(pCmd->pszCmd, "dt16"))
3977 enmTssType = kTss16;
3978 else if (!strcmp(pCmd->pszCmd, "dt32"))
3979 enmTssType = kTss32;
3980 else if (!strcmp(pCmd->pszCmd, "dt64"))
3981 enmTssType = kTss64;
3982
3983 /*
3984 * We can get a TSS selector (number), a far pointer using a TSS selector, or some kind of TSS pointer.
3985 */
3986 uint32_t SelTss = UINT32_MAX;
3987 DBGCVAR VarTssAddr;
3988 if (cArgs == 0)
3989 {
3990 /** @todo consider querying the hidden bits instead (missing API). */
3991 uint16_t SelTR;
3992 rc = DBGFR3RegCpuQueryU16(pUVM, pDbgc->idCpu, DBGFREG_TR, &SelTR);
3993 if (RT_FAILURE(rc))
3994 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to query TR, rc=%Rrc\n", rc);
3995 DBGCVAR_INIT_GC_FAR(&VarTssAddr, SelTR, 0);
3996 SelTss = SelTR;
3997 }
3998 else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
3999 {
4000 if (paArgs[0].u.u64Number < 0xffff)
4001 DBGCVAR_INIT_GC_FAR(&VarTssAddr, (RTSEL)paArgs[0].u.u64Number, 0);
4002 else
4003 {
4004 if (paArgs[0].enmRangeType == DBGCVAR_RANGE_ELEMENTS)
4005 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Element count doesn't combine with a TSS address.\n");
4006 DBGCVAR_INIT_GC_FLAT(&VarTssAddr, paArgs[0].u.u64Number);
4007 if (paArgs[0].enmRangeType == DBGCVAR_RANGE_BYTES)
4008 {
4009 VarTssAddr.enmRangeType = paArgs[0].enmRangeType;
4010 VarTssAddr.u64Range = paArgs[0].u64Range;
4011 }
4012 }
4013 }
4014 else
4015 VarTssAddr = paArgs[0];
4016
4017 /*
4018 * Deal with TSS:ign by means of the GDT.
4019 */
4020 if (VarTssAddr.enmType == DBGCVAR_TYPE_GC_FAR)
4021 {
4022 SelTss = VarTssAddr.u.GCFar.sel;
4023 DBGFSELINFO SelInfo;
4024 rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, VarTssAddr.u.GCFar.sel, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
4025 if (RT_FAILURE(rc))
4026 return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3SelQueryInfo(,%u,%d,,) -> %Rrc.\n",
4027 pDbgc->idCpu, VarTssAddr.u.GCFar.sel, rc);
4028
4029 if (SelInfo.u.Raw.Gen.u1DescType)
4030 return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (!sys)\n", VarTssAddr.u.GCFar.sel);
4031
4032 switch (SelInfo.u.Raw.Gen.u4Type)
4033 {
4034 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
4035 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
4036 if (enmTssType == kTssToBeDetermined)
4037 enmTssType = kTss16;
4038 break;
4039
4040 case X86_SEL_TYPE_SYS_386_TSS_BUSY: /* AMD64 too */
4041 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
4042 if (enmTssType == kTssToBeDetermined)
4043 enmTssType = SelInfo.fFlags & DBGFSELINFO_FLAGS_LONG_MODE ? kTss64 : kTss32;
4044 break;
4045
4046 default:
4047 return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (type=%x)\n",
4048 VarTssAddr.u.GCFar.sel, SelInfo.u.Raw.Gen.u4Type);
4049 }
4050
4051 DBGCVAR_INIT_GC_FLAT(&VarTssAddr, SelInfo.GCPtrBase);
4052 DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, RT_MAX(SelInfo.cbLimit + 1, SelInfo.cbLimit));
4053 }
4054
4055 /*
4056 * Determine the TSS type if none is currently given.
4057 */
4058 if (enmTssType == kTssToBeDetermined)
4059 {
4060 if ( VarTssAddr.u64Range > 0
4061 && VarTssAddr.u64Range < sizeof(X86TSS32) - 4)
4062 enmTssType = kTss16;
4063 else
4064 {
4065 uint64_t uEfer;
4066 rc = DBGFR3RegCpuQueryU64(pUVM, pDbgc->idCpu, DBGFREG_MSR_K6_EFER, &uEfer);
4067 if ( RT_FAILURE(rc)
4068 || !(uEfer & MSR_K6_EFER_LMA) )
4069 enmTssType = kTss32;
4070 else
4071 enmTssType = kTss64;
4072 }
4073 }
4074
4075 /*
4076 * Figure the min/max sizes.
4077 * ASSUMES max TSS size is 64 KB.
4078 */
4079 uint32_t cbTssMin;
4080 uint32_t cbTssMax;
4081 switch (enmTssType)
4082 {
4083 case kTss16:
4084 cbTssMin = cbTssMax = X86_SEL_TYPE_SYS_286_TSS_LIMIT_MIN + 1;
4085 break;
4086 case kTss32:
4087 cbTssMin = X86_SEL_TYPE_SYS_386_TSS_LIMIT_MIN + 1;
4088 cbTssMax = _64K;
4089 break;
4090 case kTss64:
4091 cbTssMin = X86_SEL_TYPE_SYS_386_TSS_LIMIT_MIN + 1;
4092 cbTssMax = _64K;
4093 break;
4094 default:
4095 AssertFailedReturn(VERR_INTERNAL_ERROR);
4096 }
4097 uint32_t cbTss = VarTssAddr.enmRangeType == DBGCVAR_RANGE_BYTES ? (uint32_t)VarTssAddr.u64Range : 0;
4098 if (cbTss == 0)
4099 cbTss = cbTssMin;
4100 else if (cbTss < cbTssMin)
4101 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Minimum TSS size is %u bytes, you specified %llu (%llx) bytes.\n",
4102 cbTssMin, VarTssAddr.u64Range, VarTssAddr.u64Range);
4103 else if (cbTss > cbTssMax)
4104 cbTss = cbTssMax;
4105 DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, cbTss);
4106
4107 /*
4108 * Read the TSS into a temporary buffer.
4109 */
4110 uint8_t abBuf[_64K];
4111 size_t cbTssRead;
4112 rc = DBGCCmdHlpMemRead(pCmdHlp, abBuf, cbTss, &VarTssAddr, &cbTssRead);
4113 if (RT_FAILURE(rc))
4114 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read TSS at %Dv: %Rrc\n", &VarTssAddr, rc);
4115 if (cbTssRead < cbTssMin)
4116 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read essential parts of the TSS (read %zu, min %zu).\n",
4117 cbTssRead, cbTssMin);
4118 if (cbTssRead < cbTss)
4119 memset(&abBuf[cbTssRead], 0xff, cbTss - cbTssRead);
4120
4121
4122 /*
4123 * Format the TSS.
4124 */
4125 uint16_t offIoBitmap;
4126 switch (enmTssType)
4127 {
4128 case kTss16:
4129 {
4130 PCX86TSS16 pTss = (PCX86TSS16)&abBuf[0];
4131 if (SelTss != UINT32_MAX)
4132 DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS16 at %Dv\n", SelTss, &VarTssAddr);
4133 else
4134 DBGCCmdHlpPrintf(pCmdHlp, "TSS16 at %Dv\n", &VarTssAddr);
4135 DBGCCmdHlpPrintf(pCmdHlp,
4136 "ax=%04x bx=%04x cx=%04x dx=%04x si=%04x di=%04x\n"
4137 "ip=%04x sp=%04x bp=%04x\n"
4138 "cs=%04x ss=%04x ds=%04x es=%04x flags=%04x\n"
4139 "ss:sp0=%04x:%04x ss:sp1=%04x:%04x ss:sp2=%04x:%04x\n"
4140 "prev=%04x ldtr=%04x\n"
4141 ,
4142 pTss->ax, pTss->bx, pTss->cx, pTss->dx, pTss->si, pTss->di,
4143 pTss->ip, pTss->sp, pTss->bp,
4144