VirtualBox

source: vbox/trunk/src/VBox/Debugger/DBGCEmulateCodeView.cpp@ 69498

Last change on this file since 69498 was 69498, checked in by vboxsync, 7 years ago

backed out r118835 as it incorrectly updated the 'This file is based on' file headers.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 280.8 KB
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1/* $Id: DBGCEmulateCodeView.cpp 69498 2017-10-28 15:07:25Z vboxsync $ */
2/** @file
3 * DBGC - Debugger Console, CodeView / WinDbg Emulation.
4 */
5
6/*
7 * Copyright (C) 2006-2016 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18
19/*********************************************************************************************************************************
20* Header Files *
21*********************************************************************************************************************************/
22#define LOG_GROUP LOG_GROUP_DBGC
23#include <VBox/dbg.h>
24#include <VBox/vmm/dbgf.h>
25#include <VBox/vmm/pgm.h>
26#include <VBox/vmm/cpum.h>
27#include <VBox/dis.h>
28#include <VBox/param.h>
29#include <VBox/err.h>
30#include <VBox/log.h>
31
32#include <iprt/asm.h>
33#include <iprt/mem.h>
34#include <iprt/string.h>
35#include <iprt/assert.h>
36#include <iprt/ctype.h>
37
38#include <stdlib.h>
39#include <stdio.h>
40
41#include "DBGCInternal.h"
42
43
44/*********************************************************************************************************************************
45* Internal Functions *
46*********************************************************************************************************************************/
47static FNDBGCCMD dbgcCmdBrkAccess;
48static FNDBGCCMD dbgcCmdBrkClear;
49static FNDBGCCMD dbgcCmdBrkDisable;
50static FNDBGCCMD dbgcCmdBrkEnable;
51static FNDBGCCMD dbgcCmdBrkList;
52static FNDBGCCMD dbgcCmdBrkSet;
53static FNDBGCCMD dbgcCmdBrkREM;
54static FNDBGCCMD dbgcCmdDumpMem;
55static FNDBGCCMD dbgcCmdDumpDT;
56static FNDBGCCMD dbgcCmdDumpIDT;
57static FNDBGCCMD dbgcCmdDumpPageDir;
58static FNDBGCCMD dbgcCmdDumpPageDirBoth;
59static FNDBGCCMD dbgcCmdDumpPageHierarchy;
60static FNDBGCCMD dbgcCmdDumpPageTable;
61static FNDBGCCMD dbgcCmdDumpPageTableBoth;
62static FNDBGCCMD dbgcCmdDumpTSS;
63static FNDBGCCMD dbgcCmdDumpTypeInfo;
64static FNDBGCCMD dbgcCmdDumpTypedVal;
65static FNDBGCCMD dbgcCmdEditMem;
66static FNDBGCCMD dbgcCmdGo;
67static FNDBGCCMD dbgcCmdGoUp;
68static FNDBGCCMD dbgcCmdListModules;
69static FNDBGCCMD dbgcCmdListNear;
70static FNDBGCCMD dbgcCmdListSource;
71static FNDBGCCMD dbgcCmdMemoryInfo;
72static FNDBGCCMD dbgcCmdReg;
73static FNDBGCCMD dbgcCmdRegGuest;
74static FNDBGCCMD dbgcCmdRegHyper;
75static FNDBGCCMD dbgcCmdRegTerse;
76static FNDBGCCMD dbgcCmdSearchMem;
77static FNDBGCCMD dbgcCmdSearchMemType;
78static FNDBGCCMD dbgcCmdStepTrace;
79static FNDBGCCMD dbgcCmdStepTraceTo;
80static FNDBGCCMD dbgcCmdStepTraceToggle;
81static FNDBGCCMD dbgcCmdEventCtrl;
82static FNDBGCCMD dbgcCmdEventCtrlList;
83static FNDBGCCMD dbgcCmdEventCtrlReset;
84static FNDBGCCMD dbgcCmdStack;
85static FNDBGCCMD dbgcCmdUnassemble;
86static FNDBGCCMD dbgcCmdUnassembleCfg;
87
88
89/*********************************************************************************************************************************
90* Global Variables *
91*********************************************************************************************************************************/
92/** 'ba' arguments. */
93static const DBGCVARDESC g_aArgBrkAcc[] =
94{
95 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
96 { 1, 1, DBGCVAR_CAT_STRING, 0, "access", "The access type: x=execute, rw=read/write (alias r), w=write, i=not implemented." },
97 { 1, 1, DBGCVAR_CAT_NUMBER, 0, "size", "The access size: 1, 2, 4, or 8. 'x' access requires 1, and 8 requires amd64 long mode." },
98 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
99 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
100 { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "max passes", "The number of passes after which we stop triggering the breakpoint. (~0 is default)" },
101 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
102};
103
104
105/** 'bc', 'bd', 'be' arguments. */
106static const DBGCVARDESC g_aArgBrks[] =
107{
108 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
109 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#bp", "Breakpoint number." },
110 { 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All breakpoints." },
111};
112
113
114/** 'bp' arguments. */
115static const DBGCVARDESC g_aArgBrkSet[] =
116{
117 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
118 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
119 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
120 { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "max passes", "The number of passes after which we stop triggering the breakpoint. (~0 is default)" },
121 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
122};
123
124
125/** 'br' arguments. */
126static const DBGCVARDESC g_aArgBrkREM[] =
127{
128 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
129 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
130 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
131 { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "max passes", "The number of passes after which we stop triggering the breakpoint. (~0 is default)" },
132 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
133};
134
135
136/** 'd?' arguments. */
137static const DBGCVARDESC g_aArgDumpMem[] =
138{
139 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
140 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start dumping memory." },
141};
142
143
144/** 'dg', 'dga', 'dl', 'dla' arguments. */
145static const DBGCVARDESC g_aArgDumpDT[] =
146{
147 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
148 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "sel", "Selector or selector range." },
149 { 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Far address which selector should be dumped." },
150};
151
152
153/** 'di', 'dia' arguments. */
154static const DBGCVARDESC g_aArgDumpIDT[] =
155{
156 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
157 { 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "int", "The interrupt vector or interrupt vector range." },
158};
159
160
161/** 'dpd*' arguments. */
162static const DBGCVARDESC g_aArgDumpPD[] =
163{
164 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
165 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "index", "Index into the page directory." },
166 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from. Range is applied to the page directory." },
167};
168
169
170/** 'dpda' arguments. */
171static const DBGCVARDESC g_aArgDumpPDAddr[] =
172{
173 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
174 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page directory entry to start dumping from." },
175};
176
177
178/** 'dph*' arguments. */
179static const DBGCVARDESC g_aArgDumpPH[] =
180{
181 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
182 { 0, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "Where in the address space to start dumping and for how long (range). The default address/range will be used if omitted." },
183 { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "cr3", "The CR3 value to use. The current CR3 of the context will be used if omitted." },
184 { 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "mode", "The paging mode: legacy, pse, pae, long, ept. Append '-np' for nested paging and '-nx' for no-execute. The current mode will be used if omitted." },
185};
186
187
188/** 'dpt?' arguments. */
189static const DBGCVARDESC g_aArgDumpPT[] =
190{
191 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
192 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from." },
193};
194
195
196/** 'dpta' arguments. */
197static const DBGCVARDESC g_aArgDumpPTAddr[] =
198{
199 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
200 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page table entry to start dumping from." },
201};
202
203
204/** 'dt' arguments. */
205static const DBGCVARDESC g_aArgDumpTSS[] =
206{
207 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
208 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "tss", "TSS selector number." },
209 { 0, 1, DBGCVAR_CAT_POINTER, 0, "tss:ign|addr", "TSS address. If the selector is a TSS selector, the offset will be ignored." }
210};
211
212
213/** 'dti' arguments. */
214static const DBGCVARDESC g_aArgDumpTypeInfo[] =
215{
216 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
217 { 1, 1, DBGCVAR_CAT_STRING, 0, "type", "The type to dump" },
218 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "levels", "How many levels to dump the type information" }
219};
220
221
222/** 'dtv' arguments. */
223static const DBGCVARDESC g_aArgDumpTypedVal[] =
224{
225 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
226 { 1, 1, DBGCVAR_CAT_STRING, 0, "type", "The type to use" },
227 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address to start dumping from." },
228 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "levels", "How many levels to dump" }
229};
230
231
232/** 'e?' arguments. */
233static const DBGCVARDESC g_aArgEditMem[] =
234{
235 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
236 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to write." },
237 { 1, ~0U, DBGCVAR_CAT_NUMBER, 0, "value", "Value to write." },
238};
239
240
241/** 'lm' arguments. */
242static const DBGCVARDESC g_aArgListMods[] =
243{
244 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
245 { 0, ~0U, DBGCVAR_CAT_STRING, 0, "module", "Module name." },
246};
247
248
249/** 'ln' arguments. */
250static const DBGCVARDESC g_aArgListNear[] =
251{
252 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
253 { 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Address of the symbol to look up." },
254 { 0, ~0U, DBGCVAR_CAT_SYMBOL, 0, "symbol", "Symbol to lookup." },
255};
256
257
258/** 'ls' arguments. */
259static const DBGCVARDESC g_aArgListSource[] =
260{
261 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
262 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start looking for source lines." },
263};
264
265
266/** 'm' argument. */
267static const DBGCVARDESC g_aArgMemoryInfo[] =
268{
269 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
270 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Pointer to obtain info about." },
271};
272
273
274/** 'p', 'pc', 'pt', 't', 'tc' and 'tt' arguments. */
275static const DBGCVARDESC g_aArgStepTrace[] =
276{
277 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
278 { 0, 1, DBGCVAR_CAT_NUMBER, 0, "count", "Number of instructions or source lines to step." },
279 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed afterwards. Quote it!" },
280};
281
282
283/** 'pa' and 'ta' arguments. */
284static const DBGCVARDESC g_aArgStepTraceTo[] =
285{
286 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
287 { 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Where to stop" },
288 { 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed afterwards. Quote it!" },
289};
290
291
292/** 'r' arguments. */
293static const DBGCVARDESC g_aArgReg[] =
294{
295 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
296 { 0, 1, DBGCVAR_CAT_SYMBOL, 0, "register", "Register to show or set." },
297 { 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "=", "Equal sign." },
298 { 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "value", "New register value." },
299};
300
301
302/** 's' arguments. */
303static const DBGCVARDESC g_aArgSearchMem[] =
304{
305 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
306 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-b", "Byte string." },
307 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-w", "Word string." },
308 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-d", "DWord string." },
309 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-q", "QWord string." },
310 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-a", "ASCII string." },
311 { 0, 1, DBGCVAR_CAT_OPTION, 0, "-u", "Unicode string." },
312 { 0, 1, DBGCVAR_CAT_OPTION_NUMBER, 0, "-n <Hits>", "Maximum number of hits." },
313 { 0, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
314 { 0, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
315};
316
317
318/** 's?' arguments. */
319static const DBGCVARDESC g_aArgSearchMemType[] =
320{
321 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
322 { 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
323 { 1, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
324};
325
326
327/** 'sxe', 'sxn', 'sxi', 'sx-' arguments. */
328static const DBGCVARDESC g_aArgEventCtrl[] =
329{
330 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
331 { 0, 1, DBGCVAR_CAT_STRING, 0, "-c", "The -c option, requires <cmds>." },
332 { 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "cmds", "Command to execute on this event." },
333 { 0 /*weird*/, ~0U, DBGCVAR_CAT_STRING, 0, "event", "One or more events, 'all' refering to all events." },
334};
335
336/** 'sx' and 'sr' arguments. */
337static const DBGCVARDESC g_aArgEventCtrlOpt[] =
338{
339 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
340 { 0, ~0U, DBGCVAR_CAT_STRING, 0, "event", "Zero or more events, 'all' refering to all events and being the default." },
341};
342
343/** 'u' arguments. */
344static const DBGCVARDESC g_aArgUnassemble[] =
345{
346 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
347 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." },
348};
349
350/** 'ucfg' arguments. */
351static const DBGCVARDESC g_aArgUnassembleCfg[] =
352{
353 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
354 { 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." },
355};
356
357
358/** Command descriptors for the CodeView / WinDbg emulation.
359 * The emulation isn't attempting to be identical, only somewhat similar.
360 */
361const DBGCCMD g_aCmdsCodeView[] =
362{
363 /* pszCmd, cArgsMin, cArgsMax, paArgDescs, cArgDescs, fFlags, pfnHandler pszSyntax, ....pszDescription */
364 { "ba", 3, 6, &g_aArgBrkAcc[0], RT_ELEMENTS(g_aArgBrkAcc), 0, dbgcCmdBrkAccess, "<access> <size> <address> [passes [max passes]] [cmds]",
365 "Sets a data access breakpoint." },
366 { "bc", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkClear, "all | <bp#> [bp# []]", "Deletes a set of breakpoints." },
367 { "bd", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkDisable, "all | <bp#> [bp# []]", "Disables a set of breakpoints." },
368 { "be", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkEnable, "all | <bp#> [bp# []]", "Enables a set of breakpoints." },
369 { "bl", 0, 0, NULL, 0, 0, dbgcCmdBrkList, "", "Lists all the breakpoints." },
370 { "bp", 1, 4, &g_aArgBrkSet[0], RT_ELEMENTS(g_aArgBrkSet), 0, dbgcCmdBrkSet, "<address> [passes [max passes]] [cmds]",
371 "Sets a breakpoint (int 3)." },
372 { "br", 1, 4, &g_aArgBrkREM[0], RT_ELEMENTS(g_aArgBrkREM), 0, dbgcCmdBrkREM, "<address> [passes [max passes]] [cmds]",
373 "Sets a recompiler specific breakpoint." },
374 { "d", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory using last element size." },
375 { "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
376 { "db", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in bytes." },
377 { "dd", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in double words." },
378 { "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
379 { "dg", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT)." },
380 { "dga", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT) including not-present entries." },
381 { "di", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT)." },
382 { "dia", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT) including not-present entries." },
383 { "dl", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT)." },
384 { "dla", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT) including not-present entries." },
385 { "dpd", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the default context." },
386 { "dpda", 0, 1, &g_aArgDumpPDAddr[0],RT_ELEMENTS(g_aArgDumpPDAddr), 0, dbgcCmdDumpPageDir, "[addr]", "Dumps memory at given address as a page directory." },
387 { "dpdb", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDirBoth, "[addr|index]", "Dumps page directory entries of the guest and the hypervisor. " },
388 { "dpdg", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the guest." },
389 { "dpdh", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr|index]", "Dumps page directory entries of the hypervisor. " },
390 { "dph", 0, 3, &g_aArgDumpPH[0], RT_ELEMENTS(g_aArgDumpPH), 0, dbgcCmdDumpPageHierarchy, "[addr [cr3 [mode]]", "Dumps the paging hierarchy at for specfied address range. Default context." },
391 { "dphg", 0, 3, &g_aArgDumpPH[0], RT_ELEMENTS(g_aArgDumpPH), 0, dbgcCmdDumpPageHierarchy, "[addr [cr3 [mode]]", "Dumps the paging hierarchy at for specfied address range. Guest context." },
392 { "dphh", 0, 3, &g_aArgDumpPH[0], RT_ELEMENTS(g_aArgDumpPH), 0, dbgcCmdDumpPageHierarchy, "[addr [cr3 [mode]]", "Dumps the paging hierarchy at for specfied address range. Hypervisor context." },
393 { "dpt", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the default context." },
394 { "dpta", 1, 1, &g_aArgDumpPTAddr[0],RT_ELEMENTS(g_aArgDumpPTAddr), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps memory at given address as a page table." },
395 { "dptb", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTableBoth,"<addr>", "Dumps page table entries of the guest and the hypervisor." },
396 { "dptg", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the guest." },
397 { "dpth", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the hypervisor." },
398 { "dq", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in quad words." },
399 { "dt", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the task state segment (TSS)." },
400 { "dt16", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 16-bit task state segment (TSS)." },
401 { "dt32", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 32-bit task state segment (TSS)." },
402 { "dt64", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss|tss:ign|addr]", "Dump the 64-bit task state segment (TSS)." },
403 { "dti", 1, 2, &g_aArgDumpTypeInfo[0],RT_ELEMENTS(g_aArgDumpTypeInfo), 0, dbgcCmdDumpTypeInfo,"<type> [levels]", "Dump type information." },
404 { "dtv", 2, 3, &g_aArgDumpTypedVal[0],RT_ELEMENTS(g_aArgDumpTypedVal), 0, dbgcCmdDumpTypedVal,"<type> <addr> [levels]", "Dump a memory buffer using the information in the given type." },
405 { "dw", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in words." },
406 /** @todo add 'e', 'ea str', 'eza str', 'eu str' and 'ezu str'. See also
407 * dbgcCmdSearchMem and its dbgcVarsToBytes usage. */
408 { "eb", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 1-byte value to memory." },
409 { "ew", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 2-byte value to memory." },
410 { "ed", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 4-byte value to memory." },
411 { "eq", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 8-byte value to memory." },
412 { "g", 0, 0, NULL, 0, 0, dbgcCmdGo, "", "Continue execution." },
413 { "gu", 0, 0, NULL, 0, 0, dbgcCmdGoUp, "", "Go up - continue execution till after return." },
414 { "k", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack." },
415 { "kg", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - guest." },
416 { "kh", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - hypervisor." },
417 { "lm", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules." },
418 { "lmv", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules, verbose." },
419 { "lmo", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments." },
420 { "lmov", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments, verbose." },
421 { "ln", 0, ~0U, &g_aArgListNear[0], RT_ELEMENTS(g_aArgListNear), 0, dbgcCmdListNear, "[addr/sym [..]]", "List symbols near to the address. Default address is CS:EIP." },
422 { "ls", 0, 1, &g_aArgListSource[0],RT_ELEMENTS(g_aArgListSource), 0, dbgcCmdListSource, "[addr]", "Source." },
423 { "m", 1, 1, &g_aArgMemoryInfo[0],RT_ELEMENTS(g_aArgMemoryInfo), 0, dbgcCmdMemoryInfo, "<addr>", "Display information about that piece of memory." },
424 { "p", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step over." },
425 { "pr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." },
426 { "pa", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Step to the given address." },
427 { "pc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step to the next call instruction." },
428 { "pt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Step to the next return instruction." },
429 { "r", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdReg, "[reg [[=] newval]]", "Show or set register(s) - active reg set." },
430 { "rg", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegGuest, "[reg [[=] newval]]", "Show or set register(s) - guest reg set." },
431 { "rg32", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 32-bit guest registers." },
432 { "rg64", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 64-bit guest registers." },
433 { "rh", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegHyper, "[reg [[=] newval]]", "Show or set register(s) - hypervisor reg set." },
434 { "rt", 0, 0, NULL, 0, 0, dbgcCmdRegTerse, "", "Toggles terse / verbose register info." },
435 { "s", 0, ~0U, &g_aArgSearchMem[0], RT_ELEMENTS(g_aArgSearchMem), 0, dbgcCmdSearchMem, "[options] <range> <pattern>", "Continue last search." },
436 { "sa", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an ascii string." },
437 { "sb", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more bytes." },
438 { "sd", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more double words." },
439 { "sq", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more quad words." },
440 { "su", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an unicode string." },
441 { "sw", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more words." },
442 { "sx", 0, ~0U, &g_aArgEventCtrlOpt[0], RT_ELEMENTS(g_aArgEventCtrlOpt), 0, dbgcCmdEventCtrlList, "[<event> [..]]", "Lists settings for exceptions, exits and other events. All if no filter is specified." },
443 { "sx-", 3, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "-c <cmd> <event> [..]", "Modifies the command for one or more exceptions, exits or other event. 'all' addresses all." },
444 { "sxe", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Enable: Break into the debugger on the specified exceptions, exits and other events. 'all' addresses all." },
445 { "sxn", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Notify: Display info in the debugger and continue on the specified exceptions, exits and other events. 'all' addresses all." },
446 { "sxi", 1, ~0U, &g_aArgEventCtrl[0], RT_ELEMENTS(g_aArgEventCtrl), 0, dbgcCmdEventCtrl, "[-c <cmd>] <event> [..]", "Ignore: Ignore the specified exceptions, exits and other events ('all' = all of them). Without the -c option, the guest runs like normal." },
447 { "sxr", 0, 0, &g_aArgEventCtrlOpt[0], RT_ELEMENTS(g_aArgEventCtrlOpt), 0, dbgcCmdEventCtrlReset, "", "Reset the settings to default for exceptions, exits and other events. All if no filter is specified." },
448 { "t", 0, 2, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace ." },
449 { "tr", 0, 0, NULL, 0, 0, dbgcCmdStepTraceToggle, "", "Toggle displaying registers for tracing & stepping (no code executed)." },
450 { "ta", 1, 1, &g_aArgStepTraceTo[0], RT_ELEMENTS(g_aArgStepTraceTo), 0, dbgcCmdStepTraceTo, "<addr> [count] [cmds]","Trace to the given address." },
451 { "tc", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next call instruction." },
452 { "tt", 0, 0, &g_aArgStepTrace[0], RT_ELEMENTS(g_aArgStepTrace), 0, dbgcCmdStepTrace, "[count] [cmds]", "Trace to the next return instruction." },
453 { "u", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble." },
454 { "u64", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 64-bit code." },
455 { "u32", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 32-bit code." },
456 { "u16", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code." },
457 { "uv86", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code with v8086/real mode addressing." },
458 { "ucfg", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph." },
459 { "ucfgc", 0, 1, &g_aArgUnassembleCfg[0], RT_ELEMENTS(g_aArgUnassembleCfg), 0, dbgcCmdUnassembleCfg, "[addr]", "Unassemble creating a control flow graph with colors." },
460};
461
462/** The number of commands in the CodeView/WinDbg emulation. */
463const uint32_t g_cCmdsCodeView = RT_ELEMENTS(g_aCmdsCodeView);
464
465
466/**
467 * Selectable debug event descriptors.
468 *
469 * @remarks Sorted by DBGCSXEVT::enmType value.
470 */
471const DBGCSXEVT g_aDbgcSxEvents[] =
472{
473 { DBGFEVENT_INTERRUPT_HARDWARE, "hwint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Hardware interrupt" },
474 { DBGFEVENT_INTERRUPT_SOFTWARE, "swint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled, 0, "Software interrupt" },
475 { DBGFEVENT_TRIPLE_FAULT, "triplefault", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Enabled, 0, "Triple fault "},
476 { DBGFEVENT_XCPT_DE, "xcpt_de", "de", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DE (integer divide error)" },
477 { DBGFEVENT_XCPT_DB, "xcpt_db", "db", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DB (debug)" },
478 { DBGFEVENT_XCPT_02, "xcpt_02", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
479 { DBGFEVENT_XCPT_BP, "xcpt_bp", "bp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BP (breakpoint)" },
480 { DBGFEVENT_XCPT_OF, "xcpt_of", "of", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#OF (overflow (INTO))" },
481 { DBGFEVENT_XCPT_BR, "xcpt_br", "br", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#BR (bound range exceeded)" },
482 { DBGFEVENT_XCPT_UD, "xcpt_ud", "ud", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#UD (undefined opcode)" },
483 { DBGFEVENT_XCPT_NM, "xcpt_nm", "nm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#NM (FPU not available)" },
484 { DBGFEVENT_XCPT_DF, "xcpt_df", "df", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#DF (double fault)" },
485 { DBGFEVENT_XCPT_09, "xcpt_09", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "Coprocessor segment overrun" },
486 { DBGFEVENT_XCPT_TS, "xcpt_ts", "ts", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#TS (task switch)" },
487 { DBGFEVENT_XCPT_NP, "xcpt_np", "np", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#NP (segment not present)" },
488 { DBGFEVENT_XCPT_SS, "xcpt_ss", "ss", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SS (stack segment fault)" },
489 { DBGFEVENT_XCPT_GP, "xcpt_gp", "gp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#GP (general protection fault)" },
490 { DBGFEVENT_XCPT_PF, "xcpt_pf", "pf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#PF (page fault)" },
491 { DBGFEVENT_XCPT_0f, "xcpt_0f", "xcpt0f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
492 { DBGFEVENT_XCPT_MF, "xcpt_mf", "mf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MF (math fault)" },
493 { DBGFEVENT_XCPT_AC, "xcpt_ac", "ac", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#AC (alignment check)" },
494 { DBGFEVENT_XCPT_MC, "xcpt_mc", "mc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#MC (machine check)" },
495 { DBGFEVENT_XCPT_XF, "xcpt_xf", "xf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#XF (SIMD floating-point exception)" },
496 { DBGFEVENT_XCPT_VE, "xcpt_vd", "ve", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, "#VE (virtualization exception)" },
497 { DBGFEVENT_XCPT_15, "xcpt_15", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
498 { DBGFEVENT_XCPT_16, "xcpt_16", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
499 { DBGFEVENT_XCPT_17, "xcpt_17", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
500 { DBGFEVENT_XCPT_18, "xcpt_18", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
501 { DBGFEVENT_XCPT_19, "xcpt_19", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
502 { DBGFEVENT_XCPT_1a, "xcpt_1a", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
503 { DBGFEVENT_XCPT_1b, "xcpt_1b", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
504 { DBGFEVENT_XCPT_1c, "xcpt_1c", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
505 { DBGFEVENT_XCPT_1d, "xcpt_1d", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
506 { DBGFEVENT_XCPT_SX, "xcpt_sx", "sx", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, "#SX (security exception)" },
507 { DBGFEVENT_XCPT_1f, "xcpt_1f", "xcpt1f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
508 { DBGFEVENT_INSTR_HALT, "instr_halt", "hlt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
509 { DBGFEVENT_INSTR_MWAIT, "instr_mwait", "mwait", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
510 { DBGFEVENT_INSTR_MONITOR, "instr_monitor", "monitor", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
511 { DBGFEVENT_INSTR_CPUID, "instr_cpuid", "cpuid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
512 { DBGFEVENT_INSTR_INVD, "instr_invd", "invd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
513 { DBGFEVENT_INSTR_WBINVD, "instr_wbinvd", "wbinvd", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
514 { DBGFEVENT_INSTR_INVLPG, "instr_invlpg", "invlpg", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
515 { DBGFEVENT_INSTR_RDTSC, "instr_rdtsc", "rdtsc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
516 { DBGFEVENT_INSTR_RDTSCP, "instr_rdtscp", "rdtscp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
517 { DBGFEVENT_INSTR_RDPMC, "instr_rdpmc", "rdpmc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
518 { DBGFEVENT_INSTR_RDMSR, "instr_rdmsr", "rdmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
519 { DBGFEVENT_INSTR_WRMSR, "instr_wrmsr", "wrmsr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
520 { DBGFEVENT_INSTR_CRX_READ, "instr_crx_read", "crx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
521 { DBGFEVENT_INSTR_CRX_WRITE, "instr_crx_write", "crx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
522 { DBGFEVENT_INSTR_DRX_READ, "instr_drx_read", "drx_read", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
523 { DBGFEVENT_INSTR_DRX_WRITE, "instr_drx_write", "drx_write",kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, DBGCSXEVT_F_TAKE_ARG, NULL },
524 { DBGFEVENT_INSTR_PAUSE, "instr_pause", "pause", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
525 { DBGFEVENT_INSTR_XSETBV, "instr_xsetbv", "xsetbv", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
526 { DBGFEVENT_INSTR_SIDT, "instr_sidt", "sidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
527 { DBGFEVENT_INSTR_LIDT, "instr_lidt", "lidt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
528 { DBGFEVENT_INSTR_SGDT, "instr_sgdt", "sgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
529 { DBGFEVENT_INSTR_LGDT, "instr_lgdt", "lgdt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
530 { DBGFEVENT_INSTR_SLDT, "instr_sldt", "sldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
531 { DBGFEVENT_INSTR_LLDT, "instr_lldt", "lldt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
532 { DBGFEVENT_INSTR_STR, "instr_str", "str", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
533 { DBGFEVENT_INSTR_LTR, "instr_ltr", "ltr", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
534 { DBGFEVENT_INSTR_GETSEC, "instr_getsec", "getsec", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
535 { DBGFEVENT_INSTR_RSM, "instr_rsm", "rsm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
536 { DBGFEVENT_INSTR_RDRAND, "instr_rdrand", "rdrand", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
537 { DBGFEVENT_INSTR_RDSEED, "instr_rdseed", "rdseed", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
538 { DBGFEVENT_INSTR_XSAVES, "instr_xsaves", "xsaves", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
539 { DBGFEVENT_INSTR_XRSTORS, "instr_xrstors", "xrstors", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
540 { DBGFEVENT_INSTR_VMM_CALL, "instr_vmm_call", "vmm_call", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
541 { DBGFEVENT_INSTR_VMX_VMCLEAR, "instr_vmx_vmclear", "vmclear", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
542 { DBGFEVENT_INSTR_VMX_VMLAUNCH, "instr_vmx_vmlaunch", "vmlaunch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
543 { DBGFEVENT_INSTR_VMX_VMPTRLD, "instr_vmx_vmptrld", "vmptrld", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
544 { DBGFEVENT_INSTR_VMX_VMPTRST, "instr_vmx_vmptrst", "vmptrst", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
545 { DBGFEVENT_INSTR_VMX_VMREAD, "instr_vmx_vmread", "vmread", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
546 { DBGFEVENT_INSTR_VMX_VMRESUME, "instr_vmx_vmresume", "vmresume", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
547 { DBGFEVENT_INSTR_VMX_VMWRITE, "instr_vmx_vmwrite", "vmwrite", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
548 { DBGFEVENT_INSTR_VMX_VMXOFF, "instr_vmx_vmxoff", "vmxoff", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
549 { DBGFEVENT_INSTR_VMX_VMXON, "instr_vmx_vmxon", "vmxon", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
550 { DBGFEVENT_INSTR_VMX_VMFUNC, "instr_vmx_vmfunc", "vmfunc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
551 { DBGFEVENT_INSTR_VMX_INVEPT, "instr_vmx_invept", "invept", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
552 { DBGFEVENT_INSTR_VMX_INVVPID, "instr_vmx_invvpid", "invvpid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
553 { DBGFEVENT_INSTR_VMX_INVPCID, "instr_vmx_invpcid", "invpcid", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
554 { DBGFEVENT_INSTR_SVM_VMRUN, "instr_svm_vmrun", "vmrun", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
555 { DBGFEVENT_INSTR_SVM_VMLOAD, "instr_svm_vmload", "vmload", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
556 { DBGFEVENT_INSTR_SVM_VMSAVE, "instr_svm_vmsave", "vmsave", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
557 { DBGFEVENT_INSTR_SVM_STGI, "instr_svm_stgi", "stgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
558 { DBGFEVENT_INSTR_SVM_CLGI, "instr_svm_clgi", "clgi", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
559 { DBGFEVENT_EXIT_TASK_SWITCH, "exit_task_switch", "task_switch", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
560 { DBGFEVENT_EXIT_HALT, "exit_halt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
561 { DBGFEVENT_EXIT_MWAIT, "exit_mwait", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
562 { DBGFEVENT_EXIT_MONITOR, "exit_monitor", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
563 { DBGFEVENT_EXIT_CPUID, "exit_cpuid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
564 { DBGFEVENT_EXIT_INVD, "exit_invd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
565 { DBGFEVENT_EXIT_WBINVD, "exit_wbinvd", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
566 { DBGFEVENT_EXIT_INVLPG, "exit_invlpg", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
567 { DBGFEVENT_EXIT_RDTSC, "exit_rdtsc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
568 { DBGFEVENT_EXIT_RDTSCP, "exit_rdtscp", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
569 { DBGFEVENT_EXIT_RDPMC, "exit_rdpmc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
570 { DBGFEVENT_EXIT_RDMSR, "exit_rdmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
571 { DBGFEVENT_EXIT_WRMSR, "exit_wrmsr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
572 { DBGFEVENT_EXIT_CRX_READ, "exit_crx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
573 { DBGFEVENT_EXIT_CRX_WRITE, "exit_crx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
574 { DBGFEVENT_EXIT_DRX_READ, "exit_drx_read", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
575 { DBGFEVENT_EXIT_DRX_WRITE, "exit_drx_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
576 { DBGFEVENT_EXIT_PAUSE, "exit_pause", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
577 { DBGFEVENT_EXIT_XSETBV, "exit_xsetbv", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
578 { DBGFEVENT_EXIT_SIDT, "exit_sidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
579 { DBGFEVENT_EXIT_LIDT, "exit_lidt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
580 { DBGFEVENT_EXIT_SGDT, "exit_sgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
581 { DBGFEVENT_EXIT_LGDT, "exit_lgdt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
582 { DBGFEVENT_EXIT_SLDT, "exit_sldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
583 { DBGFEVENT_EXIT_LLDT, "exit_lldt", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
584 { DBGFEVENT_EXIT_STR, "exit_str", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
585 { DBGFEVENT_EXIT_LTR, "exit_ltr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
586 { DBGFEVENT_EXIT_GETSEC, "exit_getsec", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
587 { DBGFEVENT_EXIT_RSM, "exit_rsm", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
588 { DBGFEVENT_EXIT_RDRAND, "exit_rdrand", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
589 { DBGFEVENT_EXIT_RDSEED, "exit_rdseed", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
590 { DBGFEVENT_EXIT_XSAVES, "exit_xsaves", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
591 { DBGFEVENT_EXIT_XRSTORS, "exit_xrstors", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
592 { DBGFEVENT_EXIT_VMM_CALL, "exit_vmm_call", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
593 { DBGFEVENT_EXIT_VMX_VMCLEAR, "exit_vmx_vmclear", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
594 { DBGFEVENT_EXIT_VMX_VMLAUNCH, "exit_vmx_vmlaunch", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
595 { DBGFEVENT_EXIT_VMX_VMPTRLD, "exit_vmx_vmptrld", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
596 { DBGFEVENT_EXIT_VMX_VMPTRST, "exit_vmx_vmptrst", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
597 { DBGFEVENT_EXIT_VMX_VMREAD, "exit_vmx_vmread", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
598 { DBGFEVENT_EXIT_VMX_VMRESUME, "exit_vmx_vmresume", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
599 { DBGFEVENT_EXIT_VMX_VMWRITE, "exit_vmx_vmwrite", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
600 { DBGFEVENT_EXIT_VMX_VMXOFF, "exit_vmx_vmxoff", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
601 { DBGFEVENT_EXIT_VMX_VMXON, "exit_vmx_vmxon", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
602 { DBGFEVENT_EXIT_VMX_VMFUNC, "exit_vmx_vmfunc", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
603 { DBGFEVENT_EXIT_VMX_INVEPT, "exit_vmx_invept", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
604 { DBGFEVENT_EXIT_VMX_INVVPID, "exit_vmx_invvpid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
605 { DBGFEVENT_EXIT_VMX_INVPCID, "exit_vmx_invpcid", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
606 { DBGFEVENT_EXIT_VMX_EPT_VIOLATION, "exit_vmx_ept_violation", "eptvio", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
607 { DBGFEVENT_EXIT_VMX_EPT_MISCONFIG, "exit_vmx_ept_misconfig", "eptmis", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
608 { DBGFEVENT_EXIT_VMX_VAPIC_ACCESS, "exit_vmx_vapic_access", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
609 { DBGFEVENT_EXIT_VMX_VAPIC_WRITE, "exit_vmx_vapic_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
610 { DBGFEVENT_EXIT_SVM_VMRUN, "exit_svm_vmrun", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
611 { DBGFEVENT_EXIT_SVM_VMLOAD, "exit_svm_vmload", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
612 { DBGFEVENT_EXIT_SVM_VMSAVE, "exit_svm_vmsave", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
613 { DBGFEVENT_EXIT_SVM_STGI, "exit_svm_stgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
614 { DBGFEVENT_EXIT_SVM_CLGI, "exit_svm_clgi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
615 { DBGFEVENT_IOPORT_UNASSIGNED, "pio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
616 { DBGFEVENT_IOPORT_UNUSED, "pio_unused", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
617 { DBGFEVENT_MEMORY_UNASSIGNED, "mmio_unassigned", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
618 { DBGFEVENT_MEMORY_ROM_WRITE, "rom_write", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
619 { DBGFEVENT_BSOD_MSR, "bsod_msr", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
620 { DBGFEVENT_BSOD_EFI, "bsod_efi", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled, 0, NULL },
621};
622/** Number of entries in g_aDbgcSxEvents. */
623const uint32_t g_cDbgcSxEvents = RT_ELEMENTS(g_aDbgcSxEvents);
624
625
626
627/**
628 * @callback_method_impl{FNDBGCCMD, The 'g' command.}
629 */
630static DECLCALLBACK(int) dbgcCmdGo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
631{
632 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
633
634 /*
635 * Check if the VM is halted or not before trying to resume it.
636 */
637 if (!DBGFR3IsHalted(pUVM))
638 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The VM is already running");
639
640 int rc = DBGFR3Resume(pUVM);
641 if (RT_FAILURE(rc))
642 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3Resume");
643
644 NOREF(paArgs); NOREF(cArgs);
645 return VINF_SUCCESS;
646}
647
648
649/**
650 * @callback_method_impl{FNDBGCCMD, The 'gu' command.}
651 */
652static DECLCALLBACK(int) dbgcCmdGoUp(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
653{
654 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
655 RT_NOREF(pCmd, paArgs, cArgs);
656
657 /* The simple way out. */
658 PDBGFADDRESS pStackPop = NULL; /** @todo try set up some stack limitations */
659 RTGCPTR cbStackPop = 0;
660 int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, DBGF_STEP_F_OVER | DBGF_STEP_F_STOP_AFTER_RET, NULL, pStackPop, cbStackPop, _512K);
661 if (RT_SUCCESS(rc))
662 pDbgc->fReady = false;
663 else
664 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,DBGF_STEP_F_OVER | DBGF_STEP_F_STOP_AFTER_RET,) failed");
665 return rc;
666}
667
668
669/**
670 * @callback_method_impl{FNDBGCCMD, The 'ba' command.}
671 */
672static DECLCALLBACK(int) dbgcCmdBrkAccess(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
673{
674 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
675
676 /*
677 * Interpret access type.
678 */
679 if ( !strchr("xrwi", paArgs[0].u.pszString[0])
680 || paArgs[0].u.pszString[1])
681 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access type '%s' for '%s'. Valid types are 'e', 'r', 'w' and 'i'",
682 paArgs[0].u.pszString, pCmd->pszCmd);
683 uint8_t fType = 0;
684 switch (paArgs[0].u.pszString[0])
685 {
686 case 'x': fType = X86_DR7_RW_EO; break;
687 case 'r': fType = X86_DR7_RW_RW; break;
688 case 'w': fType = X86_DR7_RW_WO; break;
689 case 'i': fType = X86_DR7_RW_IO; break;
690 }
691
692 /*
693 * Validate size.
694 */
695 if (fType == X86_DR7_RW_EO && paArgs[1].u.u64Number != 1)
696 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 'x' access type requires size 1!",
697 paArgs[1].u.u64Number, pCmd->pszCmd);
698 switch (paArgs[1].u.u64Number)
699 {
700 case 1:
701 case 2:
702 case 4:
703 break;
704 /*case 8: - later*/
705 default:
706 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 1, 2 or 4!",
707 paArgs[1].u.u64Number, pCmd->pszCmd);
708 }
709 uint8_t cb = (uint8_t)paArgs[1].u.u64Number;
710
711 /*
712 * Convert the pointer to a DBGF address.
713 */
714 DBGFADDRESS Address;
715 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[2], &Address);
716 if (RT_FAILURE(rc))
717 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%DV,)", &paArgs[2]);
718
719 /*
720 * Pick out the optional arguments.
721 */
722 uint64_t iHitTrigger = 0;
723 uint64_t iHitDisable = UINT64_MAX;
724 const char *pszCmds = NULL;
725 unsigned iArg = 3;
726 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
727 {
728 iHitTrigger = paArgs[iArg].u.u64Number;
729 iArg++;
730 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
731 {
732 iHitDisable = paArgs[iArg].u.u64Number;
733 iArg++;
734 }
735 }
736 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
737 {
738 pszCmds = paArgs[iArg].u.pszString;
739 iArg++;
740 }
741
742 /*
743 * Try set the breakpoint.
744 */
745 uint32_t iBp;
746 rc = DBGFR3BpSetReg(pUVM, &Address, iHitTrigger, iHitDisable, fType, cb, &iBp);
747 if (RT_SUCCESS(rc))
748 {
749 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
750 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
751 if (RT_SUCCESS(rc))
752 return DBGCCmdHlpPrintf(pCmdHlp, "Set access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
753 if (rc == VERR_DBGC_BP_EXISTS)
754 {
755 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
756 if (RT_SUCCESS(rc))
757 return DBGCCmdHlpPrintf(pCmdHlp, "Updated access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
758 }
759 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
760 AssertRC(rc2);
761 }
762 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set access breakpoint at %RGv", Address.FlatPtr);
763}
764
765
766/**
767 * @callback_method_impl{FNDBGCCMD, The 'bc' command.}
768 */
769static DECLCALLBACK(int) dbgcCmdBrkClear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
770{
771 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
772
773 /*
774 * Enumerate the arguments.
775 */
776 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
777 int rc = VINF_SUCCESS;
778 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
779 {
780 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
781 {
782 /* one */
783 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
784 if (iBp == paArgs[iArg].u.u64Number)
785 {
786 int rc2 = DBGFR3BpClear(pUVM, iBp);
787 if (RT_FAILURE(rc2))
788 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
789 if (RT_SUCCESS(rc2) || rc2 == VERR_DBGF_BP_NOT_FOUND)
790 dbgcBpDelete(pDbgc, iBp);
791 }
792 else
793 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
794 }
795 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
796 {
797 /* all */
798 PDBGCBP pBp = pDbgc->pFirstBp;
799 while (pBp)
800 {
801 uint32_t iBp = pBp->iBp;
802 pBp = pBp->pNext;
803
804 int rc2 = DBGFR3BpClear(pUVM, iBp);
805 if (RT_FAILURE(rc2))
806 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
807 if (RT_SUCCESS(rc2) || rc2 == VERR_DBGF_BP_NOT_FOUND)
808 dbgcBpDelete(pDbgc, iBp);
809 }
810 }
811 else
812 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
813 }
814 return rc;
815}
816
817
818/**
819 * @callback_method_impl{FNDBGCCMD, The 'bd' command.}
820 */
821static DECLCALLBACK(int) dbgcCmdBrkDisable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
822{
823 /*
824 * Enumerate the arguments.
825 */
826 int rc = VINF_SUCCESS;
827 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
828 {
829 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
830 {
831 /* one */
832 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
833 if (iBp == paArgs[iArg].u.u64Number)
834 {
835 rc = DBGFR3BpDisable(pUVM, iBp);
836 if (RT_FAILURE(rc))
837 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpDisable failed for breakpoint %#x", iBp);
838 }
839 else
840 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
841 }
842 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
843 {
844 /* all */
845 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
846 for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
847 {
848 int rc2 = DBGFR3BpDisable(pUVM, pBp->iBp);
849 if (RT_FAILURE(rc2))
850 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpDisable failed for breakpoint %#x", pBp->iBp);
851 }
852 }
853 else
854 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
855 }
856 return rc;
857}
858
859
860/**
861 * @callback_method_impl{FNDBGCCMD, The 'be' command.}
862 */
863static DECLCALLBACK(int) dbgcCmdBrkEnable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
864{
865 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
866
867 /*
868 * Enumerate the arguments.
869 */
870 int rc = VINF_SUCCESS;
871 for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
872 {
873 if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
874 {
875 /* one */
876 uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
877 if (iBp == paArgs[iArg].u.u64Number)
878 {
879 rc = DBGFR3BpEnable(pUVM, iBp);
880 if (RT_FAILURE(rc))
881 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnable failed for breakpoint %#x", iBp);
882 }
883 else
884 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
885 }
886 else if (!strcmp(paArgs[iArg].u.pszString, "all"))
887 {
888 /* all */
889 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
890 for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
891 {
892 int rc2 = DBGFR3BpEnable(pUVM, pBp->iBp);
893 if (RT_FAILURE(rc2))
894 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpEnable failed for breakpoint %#x", pBp->iBp);
895 }
896 }
897 else
898 rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
899 }
900 return rc;
901}
902
903
904/**
905 * Breakpoint enumeration callback function.
906 *
907 * @returns VBox status code. Any failure will stop the enumeration.
908 * @param pUVM The user mode VM handle.
909 * @param pvUser The user argument.
910 * @param pBp Pointer to the breakpoint information. (readonly)
911 */
912static DECLCALLBACK(int) dbgcEnumBreakpointsCallback(PUVM pUVM, void *pvUser, PCDBGFBP pBp)
913{
914 PDBGC pDbgc = (PDBGC)pvUser;
915 PDBGCBP pDbgcBp = dbgcBpGet(pDbgc, pBp->iBp);
916
917 /*
918 * BP type and size.
919 */
920 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%#4x %c ", pBp->iBp, pBp->fEnabled ? 'e' : 'd');
921 bool fHasAddress = false;
922 switch (pBp->enmType)
923 {
924 case DBGFBPTYPE_INT3:
925 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " p %RGv", pBp->u.Int3.GCPtr);
926 fHasAddress = true;
927 break;
928 case DBGFBPTYPE_REG:
929 {
930 char chType;
931 switch (pBp->u.Reg.fType)
932 {
933 case X86_DR7_RW_EO: chType = 'x'; break;
934 case X86_DR7_RW_WO: chType = 'w'; break;
935 case X86_DR7_RW_IO: chType = 'i'; break;
936 case X86_DR7_RW_RW: chType = 'r'; break;
937 default: chType = '?'; break;
938
939 }
940 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%d %c %RGv", pBp->u.Reg.cb, chType, pBp->u.Reg.GCPtr);
941 fHasAddress = true;
942 break;
943 }
944
945 case DBGFBPTYPE_REM:
946 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " r %RGv", pBp->u.Rem.GCPtr);
947 fHasAddress = true;
948 break;
949
950/** @todo realign the list when I/O and MMIO breakpoint command have been added and it's possible to test this code. */
951 case DBGFBPTYPE_PORT_IO:
952 case DBGFBPTYPE_MMIO:
953 {
954 uint32_t fAccess = pBp->enmType == DBGFBPTYPE_PORT_IO ? pBp->u.PortIo.fAccess : pBp->u.Mmio.fAccess;
955 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, pBp->enmType == DBGFBPTYPE_PORT_IO ? " i" : " m");
956 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
957 fAccess & DBGFBPIOACCESS_READ_MASK ? 'r' : '-',
958 fAccess & DBGFBPIOACCESS_READ_BYTE ? '1' : '-',
959 fAccess & DBGFBPIOACCESS_READ_WORD ? '2' : '-',
960 fAccess & DBGFBPIOACCESS_READ_DWORD ? '4' : '-',
961 fAccess & DBGFBPIOACCESS_READ_QWORD ? '8' : '-',
962 fAccess & DBGFBPIOACCESS_READ_OTHER ? '+' : '-');
963 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
964 fAccess & DBGFBPIOACCESS_WRITE_MASK ? 'w' : '-',
965 fAccess & DBGFBPIOACCESS_WRITE_BYTE ? '1' : '-',
966 fAccess & DBGFBPIOACCESS_WRITE_WORD ? '2' : '-',
967 fAccess & DBGFBPIOACCESS_WRITE_DWORD ? '4' : '-',
968 fAccess & DBGFBPIOACCESS_WRITE_QWORD ? '8' : '-',
969 fAccess & DBGFBPIOACCESS_WRITE_OTHER ? '+' : '-');
970 if (pBp->enmType == DBGFBPTYPE_PORT_IO)
971 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04x-%04x",
972 pBp->u.PortIo.uPort, pBp->u.PortIo.uPort + pBp->u.PortIo.cPorts - 1);
973 else
974 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%RGp LB %03x", pBp->u.Mmio.PhysAddr, pBp->u.Mmio.cb);
975 break;
976 }
977
978 default:
979 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " unknown type %d!!", pBp->enmType);
980 AssertFailed();
981 break;
982
983 }
984 if (pBp->iHitDisable == ~(uint64_t)0)
985 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to ~0) ", pBp->cHits, pBp->iHitTrigger);
986 else
987 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to %04RX64)", pBp->cHits, pBp->iHitTrigger, pBp->iHitDisable);
988
989 /*
990 * Try resolve the address if it has one.
991 */
992 if (fHasAddress)
993 {
994 RTDBGSYMBOL Sym;
995 RTINTPTR off;
996 DBGFADDRESS Addr;
997 int rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, pBp->u.GCPtr),
998 RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL, &off, &Sym, NULL);
999 if (RT_SUCCESS(rc))
1000 {
1001 if (!off)
1002 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s", Sym.szName);
1003 else if (off > 0)
1004 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s+%RGv", Sym.szName, off);
1005 else
1006 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s-%RGv", Sym.szName, -off);
1007 }
1008 }
1009
1010 /*
1011 * The commands.
1012 */
1013 if (pDbgcBp)
1014 {
1015 if (pDbgcBp->cchCmd)
1016 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n cmds: '%s'\n", pDbgcBp->szCmd);
1017 else
1018 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n");
1019 }
1020 else
1021 DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " [unknown bp]\n");
1022
1023 return VINF_SUCCESS;
1024}
1025
1026
1027/**
1028 * @callback_method_impl{FNDBGCCMD, The 'bl' command.}
1029 */
1030static DECLCALLBACK(int) dbgcCmdBrkList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1031{
1032 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1033 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs == 0);
1034 NOREF(paArgs);
1035
1036 /*
1037 * Enumerate the breakpoints.
1038 */
1039 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1040 int rc = DBGFR3BpEnum(pUVM, dbgcEnumBreakpointsCallback, pDbgc);
1041 if (RT_FAILURE(rc))
1042 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnum");
1043 return rc;
1044}
1045
1046
1047/**
1048 * @callback_method_impl{FNDBGCCMD, The 'bp' command.}
1049 */
1050static DECLCALLBACK(int) dbgcCmdBrkSet(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1051{
1052 /*
1053 * Convert the pointer to a DBGF address.
1054 */
1055 DBGFADDRESS Address;
1056 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1057 if (RT_FAILURE(rc))
1058 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1059
1060 /*
1061 * Pick out the optional arguments.
1062 */
1063 uint64_t iHitTrigger = 0;
1064 uint64_t iHitDisable = UINT64_MAX;
1065 const char *pszCmds = NULL;
1066 unsigned iArg = 1;
1067 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1068 {
1069 iHitTrigger = paArgs[iArg].u.u64Number;
1070 iArg++;
1071 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1072 {
1073 iHitDisable = paArgs[iArg].u.u64Number;
1074 iArg++;
1075 }
1076 }
1077 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1078 {
1079 pszCmds = paArgs[iArg].u.pszString;
1080 iArg++;
1081 }
1082
1083 /*
1084 * Try set the breakpoint.
1085 */
1086 uint32_t iBp;
1087 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1088 rc = DBGFR3BpSetInt3(pUVM, pDbgc->idCpu, &Address, iHitTrigger, iHitDisable, &iBp);
1089 if (RT_SUCCESS(rc))
1090 {
1091 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1092 if (RT_SUCCESS(rc))
1093 return DBGCCmdHlpPrintf(pCmdHlp, "Set breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1094 if (rc == VERR_DBGC_BP_EXISTS)
1095 {
1096 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1097 if (RT_SUCCESS(rc))
1098 return DBGCCmdHlpPrintf(pCmdHlp, "Updated breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1099 }
1100 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1101 AssertRC(rc2);
1102 }
1103 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set breakpoint at %RGv", Address.FlatPtr);
1104}
1105
1106
1107/**
1108 * @callback_method_impl{FNDBGCCMD, The 'br' command.}
1109 */
1110static DECLCALLBACK(int) dbgcCmdBrkREM(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1111{
1112 /*
1113 * Convert the pointer to a DBGF address.
1114 */
1115 DBGFADDRESS Address;
1116 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1117 if (RT_FAILURE(rc))
1118 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1119
1120 /*
1121 * Pick out the optional arguments.
1122 */
1123 uint64_t iHitTrigger = 0;
1124 uint64_t iHitDisable = UINT64_MAX;
1125 const char *pszCmds = NULL;
1126 unsigned iArg = 1;
1127 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1128 {
1129 iHitTrigger = paArgs[iArg].u.u64Number;
1130 iArg++;
1131 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1132 {
1133 iHitDisable = paArgs[iArg].u.u64Number;
1134 iArg++;
1135 }
1136 }
1137 if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1138 {
1139 pszCmds = paArgs[iArg].u.pszString;
1140 iArg++;
1141 }
1142
1143 /*
1144 * Try set the breakpoint.
1145 */
1146 uint32_t iBp;
1147 rc = DBGFR3BpSetREM(pUVM, &Address, iHitTrigger, iHitDisable, &iBp);
1148 if (RT_SUCCESS(rc))
1149 {
1150 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1151 rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1152 if (RT_SUCCESS(rc))
1153 return DBGCCmdHlpPrintf(pCmdHlp, "Set REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1154 if (rc == VERR_DBGC_BP_EXISTS)
1155 {
1156 rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1157 if (RT_SUCCESS(rc))
1158 return DBGCCmdHlpPrintf(pCmdHlp, "Updated REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1159 }
1160 int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1161 AssertRC(rc2);
1162 }
1163 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set REM breakpoint at %RGv", Address.FlatPtr);
1164}
1165
1166
1167/**
1168 * Helps the unassmble ('u') command display symbols it starts at and passes.
1169 *
1170 * @param pUVM The user mode VM handle.
1171 * @param pCmdHlp The command helpers for printing via.
1172 * @param hDbgAs The address space to look up addresses in.
1173 * @param pAddress The current address.
1174 * @param pcbCallAgain Where to return the distance to the next check (in
1175 * instruction bytes).
1176 */
1177static void dbgcCmdUnassambleHelpListNear(PUVM pUVM, PDBGCCMDHLP pCmdHlp, RTDBGAS hDbgAs, PCDBGFADDRESS pAddress,
1178 PRTUINTPTR pcbCallAgain)
1179{
1180 RTDBGSYMBOL Symbol;
1181 RTGCINTPTR offDispSym;
1182 int rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress, RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL, &offDispSym, &Symbol, NULL);
1183 if (RT_FAILURE(rc) || offDispSym > _1G)
1184 rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress, RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL, &offDispSym, &Symbol, NULL);
1185 if (RT_SUCCESS(rc) && offDispSym < _1G)
1186 {
1187 if (!offDispSym)
1188 {
1189 DBGCCmdHlpPrintf(pCmdHlp, "%s:\n", Symbol.szName);
1190 *pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb;
1191 }
1192 else if (offDispSym > 0)
1193 {
1194 DBGCCmdHlpPrintf(pCmdHlp, "%s+%#llx:\n", Symbol.szName, (uint64_t)offDispSym);
1195 *pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb > (RTGCUINTPTR)offDispSym ? Symbol.cb - (RTGCUINTPTR)offDispSym : 1;
1196 }
1197 else
1198 {
1199 DBGCCmdHlpPrintf(pCmdHlp, "%s-%#llx:\n", Symbol.szName, (uint64_t)-offDispSym);
1200 *pcbCallAgain = !Symbol.cb ? 64 : (RTGCUINTPTR)-offDispSym + Symbol.cb;
1201 }
1202 }
1203 else
1204 *pcbCallAgain = UINT32_MAX;
1205}
1206
1207
1208/**
1209 * @callback_method_impl{FNDBGCCMD, The 'u' command.}
1210 */
1211static DECLCALLBACK(int) dbgcCmdUnassemble(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1212{
1213 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1214
1215 /*
1216 * Validate input.
1217 */
1218 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1219 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
1220 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
1221
1222 if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1223 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
1224
1225 /*
1226 * Check the desired mode.
1227 */
1228 unsigned fFlags = DBGF_DISAS_FLAGS_NO_ADDRESS | DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
1229 switch (pCmd->pszCmd[1])
1230 {
1231 default: AssertFailed(); RT_FALL_THRU();
1232 case '\0': fFlags |= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
1233 case '6': fFlags |= DBGF_DISAS_FLAGS_64BIT_MODE; break;
1234 case '3': fFlags |= DBGF_DISAS_FLAGS_32BIT_MODE; break;
1235 case '1': fFlags |= DBGF_DISAS_FLAGS_16BIT_MODE; break;
1236 case 'v': fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
1237 }
1238
1239 /** @todo should use DBGFADDRESS for everything */
1240
1241 /*
1242 * Find address.
1243 */
1244 if (!cArgs)
1245 {
1246 if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1247 {
1248 /** @todo Batch query CS, RIP, CPU mode and flags. */
1249 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
1250 if ( pDbgc->fRegCtxGuest
1251 && CPUMIsGuestIn64BitCode(pVCpu))
1252 {
1253 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
1254 pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
1255 }
1256 else
1257 {
1258 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
1259 pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
1260 pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
1261 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
1262 && pDbgc->fRegCtxGuest
1263 && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
1264 {
1265 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1266 fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
1267 }
1268 }
1269
1270 if (pDbgc->fRegCtxGuest)
1271 fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST;
1272 else
1273 fFlags |= DBGF_DISAS_FLAGS_CURRENT_HYPER | DBGF_DISAS_FLAGS_HYPER;
1274 }
1275 else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
1276 {
1277 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1278 fFlags |= pDbgc->fDisasm & (DBGF_DISAS_FLAGS_MODE_MASK | DBGF_DISAS_FLAGS_HYPER);
1279 }
1280 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
1281 }
1282 else
1283 pDbgc->DisasmPos = paArgs[0];
1284 pDbgc->pLastPos = &pDbgc->DisasmPos;
1285
1286 /*
1287 * Range.
1288 */
1289 switch (pDbgc->DisasmPos.enmRangeType)
1290 {
1291 case DBGCVAR_RANGE_NONE:
1292 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
1293 pDbgc->DisasmPos.u64Range = 10;
1294 break;
1295
1296 case DBGCVAR_RANGE_ELEMENTS:
1297 if (pDbgc->DisasmPos.u64Range > 2048)
1298 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
1299 break;
1300
1301 case DBGCVAR_RANGE_BYTES:
1302 if (pDbgc->DisasmPos.u64Range > 65536)
1303 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
1304 break;
1305
1306 default:
1307 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
1308 }
1309
1310 /*
1311 * Convert physical and host addresses to guest addresses.
1312 */
1313 RTDBGAS hDbgAs = pDbgc->hDbgAs;
1314 int rc;
1315 switch (pDbgc->DisasmPos.enmType)
1316 {
1317 case DBGCVAR_TYPE_GC_FLAT:
1318 case DBGCVAR_TYPE_GC_FAR:
1319 break;
1320 case DBGCVAR_TYPE_GC_PHYS:
1321 hDbgAs = DBGF_AS_PHYS;
1322 RT_FALL_THRU();
1323 case DBGCVAR_TYPE_HC_FLAT:
1324 case DBGCVAR_TYPE_HC_PHYS:
1325 {
1326 DBGCVAR VarTmp;
1327 rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
1328 if (RT_FAILURE(rc))
1329 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
1330 pDbgc->DisasmPos = VarTmp;
1331 break;
1332 }
1333 default: AssertFailed(); break;
1334 }
1335
1336 DBGFADDRESS CurAddr;
1337 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1338 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1339 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1340 else
1341 {
1342 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1343 if (RT_FAILURE(rc))
1344 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
1345 }
1346
1347 if (CurAddr.fFlags & DBGFADDRESS_FLAGS_HMA)
1348 fFlags |= DBGF_DISAS_FLAGS_HYPER; /* This crap is due to not using DBGFADDRESS as DBGFR3Disas* input. */
1349 pDbgc->fDisasm = fFlags;
1350
1351 /*
1352 * Figure out where we are and display it. Also calculate when we need to
1353 * check for a new symbol if possible.
1354 */
1355 RTGCUINTPTR cbCheckSymbol;
1356 dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1357
1358 /*
1359 * Do the disassembling.
1360 */
1361 unsigned cTries = 32;
1362 int iRangeLeft = (int)pDbgc->DisasmPos.u64Range;
1363 if (iRangeLeft == 0) /* kludge for 'r'. */
1364 iRangeLeft = -1;
1365 for (;;)
1366 {
1367 /*
1368 * Disassemble the instruction.
1369 */
1370 char szDis[256];
1371 uint32_t cbInstr = 1;
1372 if (pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FLAT)
1373 rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, DBGF_SEL_FLAT, pDbgc->DisasmPos.u.GCFlat, fFlags,
1374 &szDis[0], sizeof(szDis), &cbInstr);
1375 else
1376 rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, pDbgc->DisasmPos.u.GCFar.sel, pDbgc->DisasmPos.u.GCFar.off, fFlags,
1377 &szDis[0], sizeof(szDis), &cbInstr);
1378 if (RT_SUCCESS(rc))
1379 {
1380 /* print it */
1381 rc = DBGCCmdHlpPrintf(pCmdHlp, "%-16DV %s\n", &pDbgc->DisasmPos, &szDis[0]);
1382 if (RT_FAILURE(rc))
1383 return rc;
1384 }
1385 else
1386 {
1387 /* bitch. */
1388 int rc2 = DBGCCmdHlpPrintf(pCmdHlp, "Failed to disassemble instruction, skipping one byte.\n");
1389 if (RT_FAILURE(rc2))
1390 return rc2;
1391 if (cTries-- > 0)
1392 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Too many disassembly failures. Giving up");
1393 cbInstr = 1;
1394 }
1395
1396 /* advance */
1397 if (iRangeLeft < 0) /* 'r' */
1398 break;
1399 if (pDbgc->DisasmPos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
1400 iRangeLeft--;
1401 else
1402 iRangeLeft -= cbInstr;
1403 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DisasmPos, "(%Dv) + %x", &pDbgc->DisasmPos, cbInstr);
1404 if (RT_FAILURE(rc))
1405 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpEval(,,'(%Dv) + %x')", &pDbgc->DisasmPos, cbInstr);
1406 if (iRangeLeft <= 0)
1407 break;
1408 fFlags &= ~(DBGF_DISAS_FLAGS_CURRENT_GUEST | DBGF_DISAS_FLAGS_CURRENT_HYPER);
1409
1410 /* Print next symbol? */
1411 if (cbCheckSymbol <= cbInstr)
1412 {
1413 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1414 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1415 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1416 else
1417 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1418 if (RT_SUCCESS(rc))
1419 dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1420 else
1421 cbCheckSymbol = UINT32_MAX;
1422 }
1423 else
1424 cbCheckSymbol -= cbInstr;
1425 }
1426
1427 NOREF(pCmd);
1428 return VINF_SUCCESS;
1429}
1430
1431
1432/**
1433 * @callback_method_impl{FNDGCSCREENBLIT}
1434 */
1435static DECLCALLBACK(int) dbgcCmdUnassembleCfgBlit(const char *psz, void *pvUser)
1436{
1437 PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
1438 return DBGCCmdHlpPrintf(pCmdHlp, "%s", psz);
1439}
1440
1441
1442/**
1443 * Checks whether both addresses are equal.
1444 *
1445 * @returns true if both addresses point to the same location, false otherwise.
1446 * @param pAddr1 First address.
1447 * @param pAddr2 Second address.
1448 */
1449static bool dbgcCmdUnassembleCfgAddrEqual(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1450{
1451 return pAddr1->Sel == pAddr2->Sel
1452 && pAddr1->off == pAddr2->off;
1453}
1454
1455
1456/**
1457 * Checks whether the first given address is lower than the second one.
1458 *
1459 * @returns true if both addresses point to the same location, false otherwise.
1460 * @param pAddr1 First address.
1461 * @param pAddr2 Second address.
1462 */
1463static bool dbgcCmdUnassembleCfgAddrLower(PDBGFADDRESS pAddr1, PDBGFADDRESS pAddr2)
1464{
1465 return pAddr1->Sel == pAddr2->Sel
1466 && pAddr1->off < pAddr2->off;
1467}
1468
1469
1470/**
1471 * Calculates the size required for the given basic block including the
1472 * border and spacing on the edges.
1473 *
1474 * @returns nothing.
1475 * @param hFlowBb The basic block handle.
1476 * @param pDumpBb The dumper state to fill in for the basic block.
1477 */
1478static void dbgcCmdUnassembleCfgDumpCalcBbSize(DBGFFLOWBB hFlowBb, PDBGCFLOWBBDUMP pDumpBb)
1479{
1480 uint32_t fFlags = DBGFR3FlowBbGetFlags(hFlowBb);
1481 uint32_t cInstr = DBGFR3FlowBbGetInstrCount(hFlowBb);
1482
1483 pDumpBb->hFlowBb = hFlowBb;
1484 pDumpBb->cchHeight = cInstr + 4; /* Include spacing and border top and bottom. */
1485 pDumpBb->cchWidth = 0;
1486 DBGFR3FlowBbGetStartAddress(hFlowBb, &pDumpBb->AddrStart);
1487
1488 DBGFFLOWBBENDTYPE enmType = DBGFR3FlowBbGetType(hFlowBb);
1489 if ( enmType == DBGFFLOWBBENDTYPE_COND
1490 || enmType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1491 || enmType == DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP)
1492 DBGFR3FlowBbGetBranchAddress(hFlowBb, &pDumpBb->AddrTarget);
1493
1494 if (fFlags & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1495 {
1496 const char *pszErr = NULL;
1497 DBGFR3FlowBbQueryError(hFlowBb, &pszErr);
1498 if (pszErr)
1499 {
1500 pDumpBb->cchHeight++;
1501 pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszErr));
1502 }
1503 }
1504 for (unsigned i = 0; i < cInstr; i++)
1505 {
1506 const char *pszInstr = NULL;
1507 int rc = DBGFR3FlowBbQueryInstr(hFlowBb, i, NULL, NULL, &pszInstr);
1508 AssertRC(rc);
1509 pDumpBb->cchWidth = RT_MAX(pDumpBb->cchWidth, (uint32_t)strlen(pszInstr));
1510 }
1511 pDumpBb->cchWidth += 4; /* Include spacing and border left and right. */
1512}
1513
1514
1515/**
1516 * Dumps a top or bottom boundary line.
1517 *
1518 * @returns nothing.
1519 * @param hScreen The screen to draw to.
1520 * @param uStartX Where to start drawing the boundary.
1521 * @param uStartY Y coordinate.
1522 * @param cchWidth Width of the boundary.
1523 * @param enmColor The color to use for drawing.
1524 */
1525static void dbgcCmdUnassembleCfgDumpBbBoundary(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1526 DBGCSCREENCOLOR enmColor)
1527{
1528 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '+', enmColor);
1529 dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1530 uStartY, '-', enmColor);
1531 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '+', enmColor);
1532}
1533
1534
1535/**
1536 * Dumps a spacing line between the top or bottom boundary and the actual disassembly.
1537 *
1538 * @returns nothing.
1539 * @param hScreen The screen to draw to.
1540 * @param uStartX Where to start drawing the spacing.
1541 * @param uStartY Y coordinate.
1542 * @param cchWidth Width of the spacing.
1543 * @param enmColor The color to use for drawing.
1544 */
1545static void dbgcCmdUnassembleCfgDumpBbSpacing(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY, uint32_t cchWidth,
1546 DBGCSCREENCOLOR enmColor)
1547{
1548 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmColor);
1549 dbgcScreenAsciiDrawLineHorizontal(hScreen, uStartX + 1, uStartX + 1 + cchWidth - 2,
1550 uStartY, ' ', enmColor);
1551 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmColor);
1552}
1553
1554
1555/**
1556 * Writes a given text to the screen.
1557 *
1558 * @returns nothing.
1559 * @param hScreen The screen to draw to.
1560 * @param uStartX Where to start drawing the line.
1561 * @param uStartY Y coordinate.
1562 * @param cchWidth Maximum width of the text.
1563 * @param pszText The text to write.
1564 * @param enmTextColor The color to use for drawing the text.
1565 * @param enmBorderColor The color to use for drawing the border.
1566 */
1567static void dbgcCmdUnassembleCfgDumpBbText(DBGCSCREEN hScreen, uint32_t uStartX, uint32_t uStartY,
1568 uint32_t cchWidth, const char *pszText,
1569 DBGCSCREENCOLOR enmTextColor, DBGCSCREENCOLOR enmBorderColor)
1570{
1571 dbgcScreenAsciiDrawCharacter(hScreen, uStartX, uStartY, '|', enmBorderColor);
1572 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + 1, uStartY, ' ', enmTextColor);
1573 dbgcScreenAsciiDrawString(hScreen, uStartX + 2, uStartY, pszText, enmTextColor);
1574 dbgcScreenAsciiDrawCharacter(hScreen, uStartX + cchWidth - 1, uStartY, '|', enmBorderColor);
1575}
1576
1577
1578/**
1579 * Dumps one basic block using the dumper callback.
1580 *
1581 * @returns nothing.
1582 * @param pDumpBb The basic block dump state to dump.
1583 * @param hScreen The screen to draw to.
1584 */
1585static void dbgcCmdUnassembleCfgDumpBb(PDBGCFLOWBBDUMP pDumpBb, DBGCSCREEN hScreen)
1586{
1587 uint32_t uStartY = pDumpBb->uStartY;
1588 bool fError = RT_BOOL(DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR);
1589 DBGCSCREENCOLOR enmColor = fError ? DBGCSCREENCOLOR_RED_BRIGHT : DBGCSCREENCOLOR_DEFAULT;
1590
1591 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1592 uStartY++;
1593 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1594 uStartY++;
1595
1596 uint32_t cInstr = DBGFR3FlowBbGetInstrCount(pDumpBb->hFlowBb);
1597 for (unsigned i = 0; i < cInstr; i++)
1598 {
1599 const char *pszInstr = NULL;
1600 DBGFR3FlowBbQueryInstr(pDumpBb->hFlowBb, i, NULL, NULL, &pszInstr);
1601 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY + i,
1602 pDumpBb->cchWidth, pszInstr, DBGCSCREENCOLOR_DEFAULT,
1603 enmColor);
1604 }
1605 uStartY += cInstr;
1606
1607 if (fError)
1608 {
1609 const char *pszErr = NULL;
1610 DBGFR3FlowBbQueryError(pDumpBb->hFlowBb, &pszErr);
1611 if (pszErr)
1612 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBb->uStartX, uStartY,
1613 pDumpBb->cchWidth, pszErr, enmColor,
1614 enmColor);
1615 uStartY++;
1616 }
1617
1618 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1619 uStartY++;
1620 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBb->uStartX, uStartY, pDumpBb->cchWidth, enmColor);
1621 uStartY++;
1622}
1623
1624
1625/**
1626 * Dumps one branch table using the dumper callback.
1627 *
1628 * @returns nothing.
1629 * @param pDumpBranchTbl The basic block dump state to dump.
1630 * @param hScreen The screen to draw to.
1631 */
1632static void dbgcCmdUnassembleCfgDumpBranchTbl(PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl, DBGCSCREEN hScreen)
1633{
1634 uint32_t uStartY = pDumpBranchTbl->uStartY;
1635 DBGCSCREENCOLOR enmColor = DBGCSCREENCOLOR_CYAN_BRIGHT;
1636
1637 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1638 uStartY++;
1639 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1640 uStartY++;
1641
1642 uint32_t cSlots = DBGFR3FlowBranchTblGetSlots(pDumpBranchTbl->hFlowBranchTbl);
1643 for (unsigned i = 0; i < cSlots; i++)
1644 {
1645 DBGFADDRESS Addr;
1646 char szAddr[128];
1647
1648 RT_ZERO(szAddr);
1649 DBGFR3FlowBranchTblGetAddrAtSlot(pDumpBranchTbl->hFlowBranchTbl, i, &Addr);
1650
1651 if (Addr.Sel == DBGF_SEL_FLAT)
1652 RTStrPrintf(&szAddr[0], sizeof(szAddr), "%RGv", Addr.FlatPtr);
1653 else
1654 RTStrPrintf(&szAddr[0], sizeof(szAddr), "%04x:%RGv", Addr.Sel, Addr.off);
1655
1656 dbgcCmdUnassembleCfgDumpBbText(hScreen, pDumpBranchTbl->uStartX, uStartY + i,
1657 pDumpBranchTbl->cchWidth, &szAddr[0], DBGCSCREENCOLOR_DEFAULT,
1658 enmColor);
1659 }
1660 uStartY += cSlots;
1661
1662 dbgcCmdUnassembleCfgDumpBbSpacing(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1663 uStartY++;
1664 dbgcCmdUnassembleCfgDumpBbBoundary(hScreen, pDumpBranchTbl->uStartX, uStartY, pDumpBranchTbl->cchWidth, enmColor);
1665 uStartY++;
1666}
1667
1668
1669/**
1670 * Fills in the dump states for the basic blocks and branch tables.
1671 *
1672 * @returns VBox status code.
1673 * @param hFlowIt The control flow graph iterator handle.
1674 * @param hFlowBranchTblIt The control flow graph branch table iterator handle.
1675 * @param paDumpBb The array of basic block dump states.
1676 * @param paDumpBranchTbl The array of branch table dump states.
1677 * @param cBbs Number of basic blocks.
1678 * @param cBranchTbls Number of branch tables.
1679 */
1680static int dbgcCmdUnassembleCfgDumpCalcDimensions(DBGFFLOWIT hFlowIt, DBGFFLOWBRANCHTBLIT hFlowBranchTblIt,
1681 PDBGCFLOWBBDUMP paDumpBb, PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl,
1682 uint32_t cBbs, uint32_t cBranchTbls)
1683{
1684 RT_NOREF2(cBbs, cBranchTbls);
1685
1686 /* Calculate the sizes of each basic block first. */
1687 DBGFFLOWBB hFlowBb = DBGFR3FlowItNext(hFlowIt);
1688 uint32_t idx = 0;
1689 while (hFlowBb)
1690 {
1691 dbgcCmdUnassembleCfgDumpCalcBbSize(hFlowBb, &paDumpBb[idx]);
1692 idx++;
1693 hFlowBb = DBGFR3FlowItNext(hFlowIt);
1694 }
1695
1696 if (paDumpBranchTbl)
1697 {
1698 idx = 0;
1699 DBGFFLOWBRANCHTBL hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1700 while (hFlowBranchTbl)
1701 {
1702 paDumpBranchTbl[idx].hFlowBranchTbl = hFlowBranchTbl;
1703 paDumpBranchTbl[idx].cchHeight = DBGFR3FlowBranchTblGetSlots(hFlowBranchTbl) + 4; /* Spacing and border. */
1704 paDumpBranchTbl[idx].cchWidth = 25 + 4; /* Spacing and border. */
1705 idx++;
1706 hFlowBranchTbl = DBGFR3FlowBranchTblItNext(hFlowBranchTblIt);
1707 }
1708 }
1709
1710 return VINF_SUCCESS;
1711}
1712
1713/**
1714 * Dumps the given control flow graph to the output.
1715 *
1716 * @returns VBox status code.
1717 * @param hCfg The control flow graph handle.
1718 * @param fUseColor Flag whether the output should be colorized.
1719 * @param pCmdHlp The command helper callback table.
1720 */
1721static int dbgcCmdUnassembleCfgDump(DBGFFLOW hCfg, bool fUseColor, PDBGCCMDHLP pCmdHlp)
1722{
1723 int rc = VINF_SUCCESS;
1724 DBGFFLOWIT hCfgIt = NULL;
1725 DBGFFLOWBRANCHTBLIT hFlowBranchTblIt = NULL;
1726 uint32_t cBbs = DBGFR3FlowGetBbCount(hCfg);
1727 uint32_t cBranchTbls = DBGFR3FlowGetBranchTblCount(hCfg);
1728 PDBGCFLOWBBDUMP paDumpBb = (PDBGCFLOWBBDUMP)RTMemTmpAllocZ(cBbs * sizeof(DBGCFLOWBBDUMP));
1729 PDBGCFLOWBRANCHTBLDUMP paDumpBranchTbl = NULL;
1730
1731 if (cBranchTbls)
1732 paDumpBranchTbl = (PDBGCFLOWBRANCHTBLDUMP)RTMemAllocZ(cBranchTbls * sizeof(DBGCFLOWBRANCHTBLDUMP));
1733
1734 if (RT_UNLIKELY(!paDumpBb || (!paDumpBranchTbl && cBranchTbls > 0)))
1735 rc = VERR_NO_MEMORY;
1736 if (RT_SUCCESS(rc))
1737 rc = DBGFR3FlowItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hCfgIt);
1738 if (RT_SUCCESS(rc) && cBranchTbls > 0)
1739 rc = DBGFR3FlowBranchTblItCreate(hCfg, DBGFFLOWITORDER_BY_ADDR_LOWEST_FIRST, &hFlowBranchTblIt);
1740
1741 if (RT_SUCCESS(rc))
1742 {
1743 rc = dbgcCmdUnassembleCfgDumpCalcDimensions(hCfgIt, hFlowBranchTblIt, paDumpBb, paDumpBranchTbl,
1744 cBbs, cBranchTbls);
1745
1746 /* Calculate the ASCII screen dimensions and create one. */
1747 uint32_t cchWidth = 0;
1748 uint32_t cchLeftExtra = 5;
1749 uint32_t cchRightExtra = 5;
1750 uint32_t cchHeight = 0;
1751 for (unsigned i = 0; i < cBbs; i++)
1752 {
1753 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1754 cchWidth = RT_MAX(cchWidth, pDumpBb->cchWidth);
1755 cchHeight += pDumpBb->cchHeight;
1756
1757 /* Incomplete blocks don't have a successor. */
1758 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1759 continue;
1760
1761 switch (DBGFR3FlowBbGetType(pDumpBb->hFlowBb))
1762 {
1763 case DBGFFLOWBBENDTYPE_EXIT:
1764 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1765 break;
1766 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1767 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1768 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1769 cchLeftExtra++;
1770 else
1771 cchRightExtra++;
1772 break;
1773 case DBGFFLOWBBENDTYPE_UNCOND:
1774 cchHeight += 2; /* For the arrow down to the next basic block. */
1775 break;
1776 case DBGFFLOWBBENDTYPE_COND:
1777 cchHeight += 2; /* For the arrow down to the next basic block. */
1778 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1779 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1780 cchLeftExtra++;
1781 else
1782 cchRightExtra++;
1783 break;
1784 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1785 default:
1786 AssertFailed();
1787 }
1788 }
1789
1790 for (unsigned i = 0; i < cBranchTbls; i++)
1791 {
1792 PDBGCFLOWBRANCHTBLDUMP pDumpBranchTbl = &paDumpBranchTbl[i];
1793 cchWidth = RT_MAX(cchWidth, pDumpBranchTbl->cchWidth);
1794 cchHeight += pDumpBranchTbl->cchHeight;
1795 }
1796
1797 cchWidth += 2;
1798
1799 DBGCSCREEN hScreen = NULL;
1800 rc = dbgcScreenAsciiCreate(&hScreen, cchWidth + cchLeftExtra + cchRightExtra, cchHeight);
1801 if (RT_SUCCESS(rc))
1802 {
1803 uint32_t uY = 0;
1804
1805 /* Dump the branch tables first. */
1806 for (unsigned i = 0; i < cBranchTbls; i++)
1807 {
1808 paDumpBranchTbl[i].uStartX = cchLeftExtra + (cchWidth - paDumpBranchTbl[i].cchWidth) / 2;
1809 paDumpBranchTbl[i].uStartY = uY;
1810 dbgcCmdUnassembleCfgDumpBranchTbl(&paDumpBranchTbl[i], hScreen);
1811 uY += paDumpBranchTbl[i].cchHeight;
1812 }
1813
1814 /* Dump the basic blocks and connections to the immediate successor. */
1815 for (unsigned i = 0; i < cBbs; i++)
1816 {
1817 paDumpBb[i].uStartX = cchLeftExtra + (cchWidth - paDumpBb[i].cchWidth) / 2;
1818 paDumpBb[i].uStartY = uY;
1819 dbgcCmdUnassembleCfgDumpBb(&paDumpBb[i], hScreen);
1820 uY += paDumpBb[i].cchHeight;
1821
1822 /* Incomplete blocks don't have a successor. */
1823 if (DBGFR3FlowBbGetFlags(paDumpBb[i].hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1824 continue;
1825
1826 switch (DBGFR3FlowBbGetType(paDumpBb[i].hFlowBb))
1827 {
1828 case DBGFFLOWBBENDTYPE_EXIT:
1829 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1830 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1831 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1832 break;
1833 case DBGFFLOWBBENDTYPE_UNCOND:
1834 /* Draw the arrow down to the next block. */
1835 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1836 '|', DBGCSCREENCOLOR_BLUE_BRIGHT);
1837 uY++;
1838 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1839 'V', DBGCSCREENCOLOR_BLUE_BRIGHT);
1840 uY++;
1841 break;
1842 case DBGFFLOWBBENDTYPE_COND:
1843 /* Draw the arrow down to the next block. */
1844 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1845 '|', DBGCSCREENCOLOR_RED_BRIGHT);
1846 uY++;
1847 dbgcScreenAsciiDrawCharacter(hScreen, cchLeftExtra + cchWidth / 2, uY,
1848 'V', DBGCSCREENCOLOR_RED_BRIGHT);
1849 uY++;
1850 break;
1851 default:
1852 AssertFailed();
1853 }
1854 }
1855
1856 /* Last pass, connect all remaining branches. */
1857 uint32_t uBackConns = 0;
1858 uint32_t uFwdConns = 0;
1859 for (unsigned i = 0; i < cBbs; i++)
1860 {
1861 PDBGCFLOWBBDUMP pDumpBb = &paDumpBb[i];
1862 DBGFFLOWBBENDTYPE enmEndType = DBGFR3FlowBbGetType(pDumpBb->hFlowBb);
1863
1864 /* Incomplete blocks don't have a successor. */
1865 if (DBGFR3FlowBbGetFlags(pDumpBb->hFlowBb) & DBGF_FLOW_BB_F_INCOMPLETE_ERR)
1866 continue;
1867
1868 switch (enmEndType)
1869 {
1870 case DBGFFLOWBBENDTYPE_EXIT:
1871 case DBGFFLOWBBENDTYPE_LAST_DISASSEMBLED:
1872 case DBGFFLOWBBENDTYPE_UNCOND:
1873 break;
1874 case DBGFFLOWBBENDTYPE_COND:
1875 case DBGFFLOWBBENDTYPE_UNCOND_JMP:
1876 {
1877 /* Find the target first to get the coordinates. */
1878 PDBGCFLOWBBDUMP pDumpBbTgt = NULL;
1879 for (unsigned idxDumpBb = 0; idxDumpBb < cBbs; idxDumpBb++)
1880 {
1881 pDumpBbTgt = &paDumpBb[idxDumpBb];
1882 if (dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBbTgt->AddrStart))
1883 break;
1884 }
1885
1886 DBGCSCREENCOLOR enmColor = enmEndType == DBGFFLOWBBENDTYPE_UNCOND_JMP
1887 ? DBGCSCREENCOLOR_YELLOW_BRIGHT
1888 : DBGCSCREENCOLOR_GREEN_BRIGHT;
1889
1890 /*
1891 * Use the right side for targets with higher addresses,
1892 * left when jumping backwards.
1893 */
1894 if ( dbgcCmdUnassembleCfgAddrLower(&pDumpBb->AddrTarget, &pDumpBb->AddrStart)
1895 || dbgcCmdUnassembleCfgAddrEqual(&pDumpBb->AddrTarget, &pDumpBb->AddrStart))
1896 {
1897 /* Going backwards. */
1898 uint32_t uXVerLine = /*cchLeftExtra - 1 -*/ uBackConns + 1;
1899 uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
1900 uBackConns++;
1901
1902 /* Draw the arrow pointing to the target block. */
1903 dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX - 1, pDumpBbTgt->uStartY,
1904 '>', enmColor);
1905 /* Draw the horizontal line. */
1906 dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBbTgt->uStartX - 2,
1907 pDumpBbTgt->uStartY, '-', enmColor);
1908 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
1909 enmColor);
1910 /* Draw the vertical line down to the source block. */
1911 dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, pDumpBbTgt->uStartY + 1, uYHorLine - 1,
1912 '|', enmColor);
1913 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
1914 /* Draw the horizontal connection between the source block and vertical part. */
1915 dbgcScreenAsciiDrawLineHorizontal(hScreen, uXVerLine + 1, pDumpBb->uStartX - 1,
1916 uYHorLine, '-', enmColor);
1917
1918 }
1919 else
1920 {
1921 /* Going forward. */
1922 uint32_t uXVerLine = cchWidth + cchLeftExtra + (cchRightExtra - uFwdConns) - 1;
1923 uint32_t uYHorLine = pDumpBb->uStartY + pDumpBb->cchHeight - 1 - 2;
1924 uFwdConns++;
1925
1926 /* Draw the horizontal line. */
1927 dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBb->uStartX + pDumpBb->cchWidth,
1928 uXVerLine - 1, uYHorLine, '-', enmColor);
1929 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, uYHorLine, '+', enmColor);
1930 /* Draw the vertical line down to the target block. */
1931 dbgcScreenAsciiDrawLineVertical(hScreen, uXVerLine, uYHorLine + 1, pDumpBbTgt->uStartY - 1,
1932 '|', enmColor);
1933 /* Draw the horizontal connection between the target block and vertical part. */
1934 dbgcScreenAsciiDrawLineHorizontal(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
1935 uXVerLine, pDumpBbTgt->uStartY, '-', enmColor);
1936 dbgcScreenAsciiDrawCharacter(hScreen, uXVerLine, pDumpBbTgt->uStartY, '+',
1937 enmColor);
1938 /* Draw the arrow pointing to the target block. */
1939 dbgcScreenAsciiDrawCharacter(hScreen, pDumpBbTgt->uStartX + pDumpBbTgt->cchWidth,
1940 pDumpBbTgt->uStartY, '<', enmColor);
1941 }
1942 break;
1943 }
1944 case DBGFFLOWBBENDTYPE_UNCOND_INDIRECT_JMP:
1945 default:
1946 AssertFailed();
1947 }
1948 }
1949
1950 rc = dbgcScreenAsciiBlit(hScreen, dbgcCmdUnassembleCfgBlit, pCmdHlp, fUseColor);
1951 dbgcScreenAsciiDestroy(hScreen);
1952 }
1953 }
1954
1955 if (paDumpBb)
1956 {
1957 for (unsigned i = 0; i < cBbs; i++)
1958 DBGFR3FlowBbRelease(paDumpBb[i].hFlowBb);
1959 RTMemTmpFree(paDumpBb);
1960 }
1961
1962 if (paDumpBranchTbl)
1963 {
1964 for (unsigned i = 0; i < cBranchTbls; i++)
1965 DBGFR3FlowBranchTblRelease(paDumpBranchTbl[i].hFlowBranchTbl);
1966 RTMemTmpFree(paDumpBranchTbl);
1967 }
1968
1969 if (hCfgIt)
1970 DBGFR3FlowItDestroy(hCfgIt);
1971 if (hFlowBranchTblIt)
1972 DBGFR3FlowBranchTblItDestroy(hFlowBranchTblIt);
1973
1974 return rc;
1975}
1976
1977
1978/**
1979 * @callback_method_impl{FNDBGCCMD, The 'ucfg' command.}
1980 */
1981static DECLCALLBACK(int) dbgcCmdUnassembleCfg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1982{
1983 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1984
1985 /*
1986 * Validate input.
1987 */
1988 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1989 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
1990 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
1991
1992 if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1993 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
1994
1995 /*
1996 * Check the desired mode.
1997 */
1998 unsigned fFlags = DBGF_DISAS_FLAGS_UNPATCHED_BYTES | DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
1999 bool fUseColor = false;
2000 switch (pCmd->pszCmd[4])
2001 {
2002 default: AssertFailed(); RT_FALL_THRU();
2003 case '\0': fFlags |= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
2004 case '6': fFlags |= DBGF_DISAS_FLAGS_64BIT_MODE; break;
2005 case '3': fFlags |= DBGF_DISAS_FLAGS_32BIT_MODE; break;
2006 case '1': fFlags |= DBGF_DISAS_FLAGS_16BIT_MODE; break;
2007 case 'v': fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
2008 case 'c': fUseColor = true; break;
2009 }
2010
2011 /** @todo should use DBGFADDRESS for everything */
2012
2013 /*
2014 * Find address.
2015 */
2016 if (!cArgs)
2017 {
2018 if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
2019 {
2020 /** @todo Batch query CS, RIP, CPU mode and flags. */
2021 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2022 if ( pDbgc->fRegCtxGuest
2023 && CPUMIsGuestIn64BitCode(pVCpu))
2024 {
2025 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
2026 pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
2027 }
2028 else
2029 {
2030 pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
2031 pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
2032 pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
2033 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
2034 && pDbgc->fRegCtxGuest
2035 && (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
2036 {
2037 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2038 fFlags |= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
2039 }
2040 }
2041
2042 if (pDbgc->fRegCtxGuest)
2043 fFlags |= DBGF_DISAS_FLAGS_CURRENT_GUEST;
2044 else
2045 fFlags |= DBGF_DISAS_FLAGS_CURRENT_HYPER | DBGF_DISAS_FLAGS_HYPER;
2046 }
2047 else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
2048 {
2049 fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
2050 fFlags |= pDbgc->fDisasm & (DBGF_DISAS_FLAGS_MODE_MASK | DBGF_DISAS_FLAGS_HYPER);
2051 }
2052 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
2053 }
2054 else
2055 pDbgc->DisasmPos = paArgs[0];
2056 pDbgc->pLastPos = &pDbgc->DisasmPos;
2057
2058 /*
2059 * Range.
2060 */
2061 switch (pDbgc->DisasmPos.enmRangeType)
2062 {
2063 case DBGCVAR_RANGE_NONE:
2064 pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2065 pDbgc->DisasmPos.u64Range = 10;
2066 break;
2067
2068 case DBGCVAR_RANGE_ELEMENTS:
2069 if (pDbgc->DisasmPos.u64Range > 2048)
2070 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
2071 break;
2072
2073 case DBGCVAR_RANGE_BYTES:
2074 if (pDbgc->DisasmPos.u64Range > 65536)
2075 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
2076 break;
2077
2078 default:
2079 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
2080 }
2081
2082 /*
2083 * Convert physical and host addresses to guest addresses.
2084 */
2085 RTDBGAS hDbgAs = pDbgc->hDbgAs;
2086 int rc;
2087 switch (pDbgc->DisasmPos.enmType)
2088 {
2089 case DBGCVAR_TYPE_GC_FLAT:
2090 case DBGCVAR_TYPE_GC_FAR:
2091 break;
2092 case DBGCVAR_TYPE_GC_PHYS:
2093 hDbgAs = DBGF_AS_PHYS;
2094 RT_FALL_THRU();
2095 case DBGCVAR_TYPE_HC_FLAT:
2096 case DBGCVAR_TYPE_HC_PHYS:
2097 {
2098 DBGCVAR VarTmp;
2099 rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
2100 if (RT_FAILURE(rc))
2101 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
2102 pDbgc->DisasmPos = VarTmp;
2103 break;
2104 }
2105 default: AssertFailed(); break;
2106 }
2107
2108 DBGFADDRESS CurAddr;
2109 if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
2110 && pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
2111 DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
2112 else
2113 {
2114 rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
2115 if (RT_FAILURE(rc))
2116 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
2117 }
2118
2119 DBGFFLOW hCfg;
2120 rc = DBGFR3FlowCreate(pUVM, pDbgc->idCpu, &CurAddr, 0 /*cbDisasmMax*/,
2121 DBGF_FLOW_CREATE_F_TRY_RESOLVE_INDIRECT_BRANCHES, fFlags, &hCfg);
2122 if (RT_SUCCESS(rc))
2123 {
2124 /* Dump the graph. */
2125 rc = dbgcCmdUnassembleCfgDump(hCfg, fUseColor, pCmdHlp);
2126 DBGFR3FlowRelease(hCfg);
2127 }
2128 else
2129 rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3FlowCreate failed on '%Dv'", &pDbgc->DisasmPos);
2130
2131 NOREF(pCmd);
2132 return rc;
2133}
2134
2135
2136/**
2137 * @callback_method_impl{FNDBGCCMD, The 'ls' command.}
2138 */
2139static DECLCALLBACK(int) dbgcCmdListSource(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2140{
2141 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2142
2143 /*
2144 * Validate input.
2145 */
2146 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
2147 if (cArgs == 1)
2148 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
2149 if (!pUVM && !cArgs && !DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2150 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start listing...");
2151 if (!pUVM && cArgs && DBGCVAR_ISGCPOINTER(paArgs[0].enmType))
2152 return DBGCCmdHlpFail(pCmdHlp, pCmd, "GC address but no VM");
2153
2154 /*
2155 * Find address.
2156 */
2157 if (!cArgs)
2158 {
2159 if (!DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
2160 {
2161 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2162 pDbgc->SourcePos.enmType = DBGCVAR_TYPE_GC_FAR;
2163 pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
2164 pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
2165 }
2166 pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_NONE;
2167 }
2168 else
2169 pDbgc->SourcePos = paArgs[0];
2170 pDbgc->pLastPos = &pDbgc->SourcePos;
2171
2172 /*
2173 * Ensure the source address is flat GC.
2174 */
2175 switch (pDbgc->SourcePos.enmType)
2176 {
2177 case DBGCVAR_TYPE_GC_FLAT:
2178 break;
2179 case DBGCVAR_TYPE_GC_PHYS:
2180 case DBGCVAR_TYPE_GC_FAR:
2181 case DBGCVAR_TYPE_HC_FLAT:
2182 case DBGCVAR_TYPE_HC_PHYS:
2183 {
2184 int rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "%%(%Dv)", &pDbgc->SourcePos);
2185 if (RT_FAILURE(rc))
2186 return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid address or address type. (rc=%d)\n", rc);
2187 break;
2188 }
2189 default: AssertFailed(); break;
2190 }
2191
2192 /*
2193 * Range.
2194 */
2195 switch (pDbgc->SourcePos.enmRangeType)
2196 {
2197 case DBGCVAR_RANGE_NONE:
2198 pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2199 pDbgc->SourcePos.u64Range = 10;
2200 break;
2201
2202 case DBGCVAR_RANGE_ELEMENTS:
2203 if (pDbgc->SourcePos.u64Range > 2048)
2204 return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many lines requested. Max is 2048 lines.\n");
2205 break;
2206
2207 case DBGCVAR_RANGE_BYTES:
2208 if (pDbgc->SourcePos.u64Range > 65536)
2209 return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
2210 break;
2211
2212 default:
2213 return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->SourcePos.enmRangeType);
2214 }
2215
2216 /*
2217 * Do the disassembling.
2218 */
2219 bool fFirst = 1;
2220 RTDBGLINE LinePrev = { 0, 0, 0, 0, 0, "" };
2221 int iRangeLeft = (int)pDbgc->SourcePos.u64Range;
2222 if (iRangeLeft == 0) /* kludge for 'r'. */
2223 iRangeLeft = -1;
2224 for (;;)
2225 {
2226 /*
2227 * Get line info.
2228 */
2229 RTDBGLINE Line;
2230 RTGCINTPTR off;
2231 DBGFADDRESS SourcePosAddr;
2232 int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->SourcePos, &SourcePosAddr);
2233 if (RT_FAILURE(rc))
2234 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%Dv)", &pDbgc->SourcePos);
2235 rc = DBGFR3AsLineByAddr(pUVM, pDbgc->hDbgAs, &SourcePosAddr, &off, &Line, NULL);
2236 if (RT_FAILURE(rc))
2237 return VINF_SUCCESS;
2238
2239 unsigned cLines = 0;
2240 if (memcmp(&Line, &LinePrev, sizeof(Line)))
2241 {
2242 /*
2243 * Print filenamename
2244 */
2245 if (!fFirst && strcmp(Line.szFilename, LinePrev.szFilename))
2246 fFirst = true;
2247 if (fFirst)
2248 {
2249 rc = DBGCCmdHlpPrintf(pCmdHlp, "[%s @ %d]\n", Line.szFilename, Line.uLineNo);
2250 if (RT_FAILURE(rc))
2251 return rc;
2252 }
2253
2254 /*
2255 * Try open the file and read the line.
2256 */
2257 FILE *phFile = fopen(Line.szFilename, "r");
2258 if (phFile)
2259 {
2260 /* Skip ahead to the desired line. */
2261 char szLine[4096];
2262 unsigned cBefore = fFirst ? RT_MIN(2, Line.uLineNo - 1) : Line.uLineNo - LinePrev.uLineNo - 1;
2263 if (cBefore > 7)
2264 cBefore = 0;
2265 unsigned cLeft = Line.uLineNo - cBefore;
2266 while (cLeft > 0)
2267 {
2268 szLine[0] = '\0';
2269 if (!fgets(szLine, sizeof(szLine), phFile))
2270 break;
2271 cLeft--;
2272 }
2273 if (!cLeft)
2274 {
2275 /* print the before lines */
2276 for (;;)
2277 {
2278 size_t cch = strlen(szLine);
2279 while (cch > 0 && (szLine[cch - 1] == '\r' || szLine[cch - 1] == '\n' || RT_C_IS_SPACE(szLine[cch - 1])) )
2280 szLine[--cch] = '\0';
2281 if (cBefore-- <= 0)
2282 break;
2283
2284 rc = DBGCCmdHlpPrintf(pCmdHlp, " %4d: %s\n", Line.uLineNo - cBefore - 1, szLine);
2285 szLine[0] = '\0';
2286 const char *pszShutUpGcc = fgets(szLine, sizeof(szLine), phFile); NOREF(pszShutUpGcc);
2287 cLines++;
2288 }
2289 /* print the actual line */
2290 rc = DBGCCmdHlpPrintf(pCmdHlp, "%08llx %4d: %s\n", Line.Address, Line.uLineNo, szLine);
2291 }
2292 fclose(phFile);
2293 if (RT_FAILURE(rc))
2294 return rc;
2295 fFirst = false;
2296 }
2297 else
2298 return DBGCCmdHlpPrintf(pCmdHlp, "Warning: couldn't open source file '%s'\n", Line.szFilename);
2299
2300 LinePrev = Line;
2301 }
2302
2303
2304 /*
2305 * Advance
2306 */
2307 if (iRangeLeft < 0) /* 'r' */
2308 break;
2309 if (pDbgc->SourcePos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
2310 iRangeLeft -= cLines;
2311 else
2312 iRangeLeft -= 1;
2313 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "(%Dv) + %x", &pDbgc->SourcePos, 1);
2314 if (RT_FAILURE(rc))
2315 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->SourcePos, 1);
2316 if (iRangeLeft <= 0)
2317 break;
2318 }
2319
2320 NOREF(pCmd);
2321 return 0;
2322}
2323
2324
2325/**
2326 * @callback_method_impl{FNDBGCCMD, The 'r' command.}
2327 */
2328static DECLCALLBACK(int) dbgcCmdReg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2329{
2330 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2331 if (!pDbgc->fRegCtxGuest)
2332 return dbgcCmdRegHyper(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
2333 return dbgcCmdRegGuest(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
2334}
2335
2336
2337/**
2338 * @callback_method_impl{FNDBGCCMD, Common worker for the dbgcCmdReg*()
2339 * commands.}
2340 */
2341static DECLCALLBACK(int) dbgcCmdRegCommon(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs,
2342 const char *pszPrefix)
2343{
2344 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2345 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 || cArgs == 2 || cArgs == 3);
2346 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING
2347 || paArgs[0].enmType == DBGCVAR_TYPE_SYMBOL);
2348
2349 /*
2350 * Parse the register name and kind.
2351 */
2352 const char *pszReg = paArgs[0].u.pszString;
2353 if (*pszReg == '@')
2354 pszReg++;
2355 VMCPUID idCpu = pDbgc->idCpu;
2356 if (*pszPrefix)
2357 idCpu |= DBGFREG_HYPER_VMCPUID;
2358 if (*pszReg == '.')
2359 {
2360 pszReg++;
2361 idCpu |= DBGFREG_HYPER_VMCPUID;
2362 }
2363 const char * const pszActualPrefix = idCpu & DBGFREG_HYPER_VMCPUID ? "." : "";
2364
2365 /*
2366 * Query the register type & value (the setter needs the type).
2367 */
2368 DBGFREGVALTYPE enmType;
2369 DBGFREGVAL Value;
2370 int rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType);
2371 if (RT_FAILURE(rc))
2372 {
2373 if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
2374 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
2375 pszActualPrefix, pszReg);
2376 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n",
2377 pszActualPrefix, pszReg, rc);
2378 }
2379 if (cArgs == 1)
2380 {
2381 /*
2382 * Show the register.
2383 */
2384 char szValue[160];
2385 rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &Value, enmType, true /*fSpecial*/);
2386 if (RT_SUCCESS(rc))
2387 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, pszReg, szValue);
2388 else
2389 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2390 }
2391 else
2392 {
2393 DBGCVAR NewValueTmp;
2394 PCDBGCVAR pNewValue;
2395 if (cArgs == 3)
2396 {
2397 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, paArgs[1].enmType == DBGCVAR_TYPE_STRING);
2398 if (strcmp(paArgs[1].u.pszString, "="))
2399 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Second argument must be '='.");
2400 pNewValue = &paArgs[2];
2401 }
2402 else
2403 {
2404 /* Not possible to convince the parser to support both codeview and
2405 windbg syntax and make the equal sign optional. Try help it. */
2406 /** @todo make DBGCCmdHlpConvert do more with strings. */
2407 rc = DBGCCmdHlpConvert(pCmdHlp, &paArgs[1], DBGCVAR_TYPE_NUMBER, true /*fConvSyms*/, &NewValueTmp);
2408 if (RT_FAILURE(rc))
2409 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "The last argument must be a value or valid symbol.");
2410 pNewValue = &NewValueTmp;
2411 }
2412
2413 /*
2414 * Modify the register.
2415 */
2416 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, pNewValue->enmType == DBGCVAR_TYPE_NUMBER);
2417 if (enmType != DBGFREGVALTYPE_DTR)
2418 {
2419 enmType = DBGFREGVALTYPE_U64;
2420 rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.u64);
2421 }
2422 else
2423 {
2424 enmType = DBGFREGVALTYPE_DTR;
2425 rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.dtr.u64Base);
2426 if (RT_SUCCESS(rc) && pNewValue->enmRangeType != DBGCVAR_RANGE_NONE)
2427 Value.dtr.u32Limit = (uint32_t)pNewValue->u64Range;
2428 }
2429 if (RT_SUCCESS(rc))
2430 {
2431 rc = DBGFR3RegNmSet(pUVM, idCpu, pszReg, &Value, enmType);
2432 if (RT_FAILURE(rc))
2433 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmSet failed settings '%s%s': %Rrc\n",
2434 pszActualPrefix, pszReg, rc);
2435 if (rc != VINF_SUCCESS)
2436 DBGCCmdHlpPrintf(pCmdHlp, "%s: warning: %Rrc\n", pCmd->pszCmd, rc);
2437 }
2438 else
2439 rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
2440 }
2441 return rc;
2442}
2443
2444
2445/**
2446 * @callback_method_impl{FNDBGCCMD,
2447 * The 'rg'\, 'rg64' and 'rg32' commands\, worker for 'r'.}
2448 */
2449static DECLCALLBACK(int) dbgcCmdRegGuest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2450{
2451 /*
2452 * Show all registers our selves.
2453 */
2454 if (cArgs == 0)
2455 {
2456 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2457 bool const f64BitMode = !strcmp(pCmd->pszCmd, "rg64")
2458 || ( strcmp(pCmd->pszCmd, "rg32") != 0
2459 && DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu));
2460 char szDisAndRegs[8192];
2461 int rc;
2462
2463 if (pDbgc->fRegTerse)
2464 {
2465 if (f64BitMode)
2466 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs),
2467 "u %016VR{rip} L 0\n"
2468 "rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n"
2469 "rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n"
2470 "r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n"
2471 "r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n"
2472 "rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n"
2473 "cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} rflags=%08VR{rflags}\n");
2474 else
2475 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, szDisAndRegs, sizeof(szDisAndRegs),
2476 "u %04VR{cs}:%08VR{eip} L 0\n"
2477 "eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n"
2478 "eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n"
2479 "cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} eflags=%08VR{eflags}\n");
2480 }
2481 else
2482 {
2483 if (f64BitMode)
2484 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs),
2485 "u %016VR{rip} L 0\n"
2486 "rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n"
2487 "rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n"
2488 "r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n"
2489 "r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n"
2490 "rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n"
2491 "cs={%04VR{cs} base=%016VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} cr0=%016VR{cr0}\n"
2492 "ds={%04VR{ds} base=%016VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} cr2=%016VR{cr2}\n"
2493 "es={%04VR{es} base=%016VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} cr3=%016VR{cr3}\n"
2494 "fs={%04VR{fs} base=%016VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr4=%016VR{cr4}\n"
2495 "gs={%04VR{gs} base=%016VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr8=%016VR{cr8}\n"
2496 "ss={%04VR{ss} base=%016VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n"
2497 "dr0=%016VR{dr0} dr1=%016VR{dr1} dr2=%016VR{dr2} dr3=%016VR{dr3}\n"
2498 "dr6=%016VR{dr6} dr7=%016VR{dr7}\n"
2499 "gdtr=%016VR{gdtr_base}:%04VR{gdtr_lim} idtr=%016VR{idtr_base}:%04VR{idtr_lim} rflags=%08VR{rflags}\n"
2500 "ldtr={%04VR{ldtr} base=%016VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%08VR{ldtr_attr}}\n"
2501 "tr ={%04VR{tr} base=%016VR{tr_base} limit=%08VR{tr_lim} flags=%08VR{tr_attr}}\n"
2502 " sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n"
2503 " efer=%016VR{efer}\n"
2504 " pat=%016VR{pat}\n"
2505 " sf_mask=%016VR{sf_mask}\n"
2506 "krnl_gs_base=%016VR{krnl_gs_base}\n"
2507 " lstar=%016VR{lstar}\n"
2508 " star=%016VR{star} cstar=%016VR{cstar}\n"
2509 "fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n"
2510 );
2511 else
2512 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, szDisAndRegs, sizeof(szDisAndRegs),
2513 "u %04VR{cs}:%08VR{eip} L 0\n"
2514 "eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n"
2515 "eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n"
2516 "cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} dr0=%08VR{dr0} dr1=%08VR{dr1}\n"
2517 "ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} dr2=%08VR{dr2} dr3=%08VR{dr3}\n"
2518 "es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} dr6=%08VR{dr6} dr7=%08VR{dr7}\n"
2519 "fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr0=%08VR{cr0} cr2=%08VR{cr2}\n"
2520 "gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr3=%08VR{cr3} cr4=%08VR{cr4}\n"
2521 "ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}} cr8=%08VR{cr8}\n"
2522 "gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} idtr=%08VR{idtr_base}:%04VR{idtr_lim} eflags=%08VR{eflags}\n"
2523 "ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n"
2524 "tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n"
2525 "sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n"
2526 "fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n"
2527 );
2528 }
2529 if (RT_FAILURE(rc))
2530 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed");
2531 char *pszRegs = strchr(szDisAndRegs, '\n');
2532 *pszRegs++ = '\0';
2533 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs);
2534
2535 /*
2536 * Disassemble one instruction at cs:[r|e]ip.
2537 */
2538 if (!f64BitMode && strstr(pszRegs, " vm ")) /* a bit ugly... */
2539 return pCmdHlp->pfnExec(pCmdHlp, "uv86 %s", szDisAndRegs + 2);
2540 return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs);
2541 }
2542 return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, "");
2543}
2544
2545
2546/**
2547 * @callback_method_impl{FNDBGCCMD, The 'rh' command.}
2548 */
2549static DECLCALLBACK(int) dbgcCmdRegHyper(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2550{
2551 /*
2552 * Show all registers our selves.
2553 */
2554 if (cArgs == 0)
2555 {
2556 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2557 char szDisAndRegs[8192];
2558 int rc;
2559
2560 if (pDbgc->fRegTerse)
2561 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu | DBGFREG_HYPER_VMCPUID, szDisAndRegs, sizeof(szDisAndRegs),
2562 "u %VR{cs}:%VR{eip} L 0\n"
2563 ".eax=%08VR{eax} .ebx=%08VR{ebx} .ecx=%08VR{ecx} .edx=%08VR{edx} .esi=%08VR{esi} .edi=%08VR{edi}\n"
2564 ".eip=%08VR{eip} .esp=%08VR{esp} .ebp=%08VR{ebp} .%VRF{eflags}\n"
2565 ".cs=%04VR{cs} .ds=%04VR{ds} .es=%04VR{es} .fs=%04VR{fs} .gs=%04VR{gs} .ss=%04VR{ss} .eflags=%08VR{eflags}\n");
2566 else
2567 rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu | DBGFREG_HYPER_VMCPUID, szDisAndRegs, sizeof(szDisAndRegs),
2568 "u %04VR{cs}:%08VR{eip} L 0\n"
2569 ".eax=%08VR{eax} .ebx=%08VR{ebx} .ecx=%08VR{ecx} .edx=%08VR{edx} .esi=%08VR{esi} .edi=%08VR{edi}\n"
2570 ".eip=%08VR{eip} .esp=%08VR{esp} .ebp=%08VR{ebp} .%VRF{eflags}\n"
2571 ".cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} .dr0=%08VR{dr0} .dr1=%08VR{dr1}\n"
2572 ".ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} .dr2=%08VR{dr2} .dr3=%08VR{dr3}\n"
2573 ".es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} .dr6=%08VR{dr6} .dr6=%08VR{dr6}\n"
2574 ".fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} .cr3=%016VR{cr3}\n"
2575 ".gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}}\n"
2576 ".ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n"
2577 ".gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} .idtr=%08VR{idtr_base}:%04VR{idtr_lim} .eflags=%08VR{eflags}\n"
2578 ".ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n"
2579 ".tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n"
2580 );
2581 if (RT_FAILURE(rc))
2582 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed");
2583 char *pszRegs = strchr(szDisAndRegs, '\n');
2584 *pszRegs++ = '\0';
2585 rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs);
2586
2587 /*
2588 * Disassemble one instruction at cs:[r|e]ip.
2589 */
2590 return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs);
2591 }
2592 return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, ".");
2593}
2594
2595
2596/**
2597 * @callback_method_impl{FNDBGCCMD, The 'rt' command.}
2598 */
2599static DECLCALLBACK(int) dbgcCmdRegTerse(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2600{
2601 NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2602
2603 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2604 pDbgc->fRegTerse = !pDbgc->fRegTerse;
2605 return DBGCCmdHlpPrintf(pCmdHlp, pDbgc->fRegTerse ? "info: Terse register info.\n" : "info: Verbose register info.\n");
2606}
2607
2608
2609/**
2610 * @callback_method_impl{FNDBGCCMD, The 'pr' and 'tr' commands.}
2611 */
2612static DECLCALLBACK(int) dbgcCmdStepTraceToggle(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2613{
2614 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2615 Assert(cArgs == 0); NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
2616
2617 /* Note! windbg accepts 'r' as a flag to 'p', 'pa', 'pc', 'pt', 't',
2618 'ta', 'tc' and 'tt'. We've simplified it. */
2619 pDbgc->fStepTraceRegs = !pDbgc->fStepTraceRegs;
2620 return VINF_SUCCESS;
2621}
2622
2623
2624/**
2625 * @callback_method_impl{FNDBGCCMD, The 'p'\, 'pc'\, 'pt'\, 't'\, 'tc'\, and 'tt' commands.}
2626 */
2627static DECLCALLBACK(int) dbgcCmdStepTrace(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2628{
2629 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2630 if (cArgs != 0)
2631 return DBGCCmdHlpFail(pCmdHlp, pCmd,
2632 "Sorry, but the '%s' command does not currently implement any arguments.\n", pCmd->pszCmd);
2633
2634 /* The 'count' has to be implemented by DBGC, whereas the
2635 filtering is taken care of by DBGF. */
2636
2637 /*
2638 * Convert the command to DBGF_STEP_F_XXX and other API input.
2639 */
2640 //DBGFADDRESS StackPop;
2641 PDBGFADDRESS pStackPop = NULL;
2642 RTGCPTR cbStackPop = 0;
2643 uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : _64K;
2644 uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2645 if (pCmd->pszCmd[1] == 'c')
2646 fFlags |= DBGF_STEP_F_STOP_ON_CALL;
2647 else if (pCmd->pszCmd[1] == 't')
2648 fFlags |= DBGF_STEP_F_STOP_ON_RET;
2649 else if (pCmd->pszCmd[0] != 'p')
2650 cMaxSteps = 1;
2651 else
2652 {
2653 /** @todo consider passing RSP + 1 in for 'p' and something else sensible for
2654 * the 'pt' command. */
2655 }
2656
2657 int rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, NULL, pStackPop, cbStackPop, cMaxSteps);
2658 if (RT_SUCCESS(rc))
2659 pDbgc->fReady = false;
2660 else
2661 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2662
2663 NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
2664 return rc;
2665}
2666
2667
2668/**
2669 * @callback_method_impl{FNDBGCCMD, The 'pa' and 'ta' commands.}
2670 */
2671static DECLCALLBACK(int) dbgcCmdStepTraceTo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2672{
2673 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2674 if (cArgs != 1)
2675 return DBGCCmdHlpFail(pCmdHlp, pCmd,
2676 "Sorry, but the '%s' command only implements a single argument at present.\n", pCmd->pszCmd);
2677 DBGFADDRESS Address;
2678 int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
2679 if (RT_FAILURE(rc))
2680 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[0]);
2681
2682 uint32_t cMaxSteps = pCmd->pszCmd[0] == 'p' ? _512K : 1;
2683 uint32_t fFlags = pCmd->pszCmd[0] == 'p' ? DBGF_STEP_F_OVER : DBGF_STEP_F_INTO;
2684 rc = DBGFR3StepEx(pUVM, pDbgc->idCpu, fFlags, &Address, NULL, 0, cMaxSteps);
2685 if (RT_SUCCESS(rc))
2686 pDbgc->fReady = false;
2687 else
2688 return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3StepEx(,,%#x,) failed", fFlags);
2689 return rc;
2690}
2691
2692
2693/**
2694 * @callback_method_impl{FNDBGCCMD, The 'k'\, 'kg' and 'kh' commands.}
2695 */
2696static DECLCALLBACK(int) dbgcCmdStack(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2697{
2698 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2699
2700 /*
2701 * Figure which context we're called for and start walking that stack.
2702 */
2703 int rc;
2704 PCDBGFSTACKFRAME pFirstFrame;
2705 bool const fGuest = pCmd->pszCmd[1] == 'g'
2706 || (!pCmd->pszCmd[1] && pDbgc->fRegCtxGuest);
2707 rc = DBGFR3StackWalkBegin(pUVM, pDbgc->idCpu, fGuest ? DBGFCODETYPE_GUEST : DBGFCODETYPE_HYPER, &pFirstFrame);
2708 if (RT_FAILURE(rc))
2709 return DBGCCmdHlpPrintf(pCmdHlp, "Failed to begin stack walk, rc=%Rrc\n", rc);
2710
2711 /*
2712 * Print header.
2713 * 12345678 12345678 0023:87654321 12345678 87654321 12345678 87654321 symbol
2714 */
2715 uint32_t fBitFlags = 0;
2716 for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
2717 pFrame;
2718 pFrame = DBGFR3StackWalkNext(pFrame))
2719 {
2720 uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT | DBGFSTACKFRAME_FLAGS_32BIT | DBGFSTACKFRAME_FLAGS_64BIT);
2721 if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
2722 {
2723 if (fCurBitFlags != fBitFlags)
2724 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2725 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2726 pFrame->AddrFrame.Sel,
2727 (uint16_t)pFrame->AddrFrame.off,
2728 pFrame->AddrReturnFrame.Sel,
2729 (uint16_t)pFrame->AddrReturnFrame.off,
2730 (uint32_t)pFrame->AddrReturnPC.Sel,
2731 (uint32_t)pFrame->AddrReturnPC.off,
2732 pFrame->Args.au32[0],
2733 pFrame->Args.au32[1],
2734 pFrame->Args.au32[2],
2735 pFrame->Args.au32[3]);
2736 }
2737 else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
2738 {
2739 if (fCurBitFlags != fBitFlags)
2740 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
2741 rc = DBGCCmdHlpPrintf(pCmdHlp, "%08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
2742 (uint32_t)pFrame->AddrFrame.off,
2743 (uint32_t)pFrame->AddrReturnFrame.off,
2744 (uint32_t)pFrame->AddrReturnPC.Sel,
2745 (uint32_t)pFrame->AddrReturnPC.off,
2746 pFrame->Args.au32[0],
2747 pFrame->Args.au32[1],
2748 pFrame->Args.au32[2],
2749 pFrame->Args.au32[3]);
2750 }
2751 else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
2752 {
2753 if (fCurBitFlags != fBitFlags)
2754 pCmdHlp->pfnPrintf(pCmdHlp, NULL, "RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
2755 rc = DBGCCmdHlpPrintf(pCmdHlp, "%016RX64 %04RX16:%016RX64 %016RX64",
2756 (uint64_t)pFrame->AddrFrame.off,
2757 pFrame->AddrReturnFrame.Sel,
2758 (uint64_t)pFrame->AddrReturnFrame.off,
2759 (uint64_t)pFrame->AddrReturnPC.off);
2760 }
2761 if (RT_FAILURE(rc))
2762 break;
2763 if (!pFrame->pSymPC)
2764 rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
2765 fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
2766 ? " %RTsel:%016RGv"
2767 : fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
2768 ? " %RTsel:%08RGv"
2769 : " %RTsel:%04RGv"
2770 , pFrame->AddrPC.Sel, pFrame->AddrPC.off);
2771 else
2772 {
2773 RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
2774 if (offDisp > 0)
2775 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
2776 else if (offDisp < 0)
2777 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
2778 else
2779 rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", pFrame->pSymPC->szName);
2780 }
2781 if (RT_SUCCESS(rc) && pFrame->pLinePC)
2782 rc = DBGCCmdHlpPrintf(pCmdHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
2783 if (RT_SUCCESS(rc))
2784 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2785 if (RT_FAILURE(rc))
2786 break;
2787
2788 fBitFlags = fCurBitFlags;
2789 }
2790
2791 DBGFR3StackWalkEnd(pFirstFrame);
2792
2793 NOREF(paArgs); NOREF(cArgs);
2794 return rc;
2795}
2796
2797
2798static int dbgcCmdDumpDTWorker64(PDBGCCMDHLP pCmdHlp, PCX86DESC64 pDesc, unsigned iEntry, bool fHyper, bool *pfDblEntry)
2799{
2800 /* GUEST64 */
2801 int rc;
2802
2803 const char *pszHyper = fHyper ? " HYPER" : "";
2804 const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
2805 if (pDesc->Gen.u1DescType)
2806 {
2807 static const char * const s_apszTypes[] =
2808 {
2809 "DataRO", /* 0 Read-Only */
2810 "DataRO", /* 1 Read-Only - Accessed */
2811 "DataRW", /* 2 Read/Write */
2812 "DataRW", /* 3 Read/Write - Accessed */
2813 "DownRO", /* 4 Expand-down, Read-Only */
2814 "DownRO", /* 5 Expand-down, Read-Only - Accessed */
2815 "DownRW", /* 6 Expand-down, Read/Write */
2816 "DownRW", /* 7 Expand-down, Read/Write - Accessed */
2817 "CodeEO", /* 8 Execute-Only */
2818 "CodeEO", /* 9 Execute-Only - Accessed */
2819 "CodeER", /* A Execute/Readable */
2820 "CodeER", /* B Execute/Readable - Accessed */
2821 "ConfE0", /* C Conforming, Execute-Only */
2822 "ConfE0", /* D Conforming, Execute-Only - Accessed */
2823 "ConfER", /* E Conforming, Execute/Readable */
2824 "ConfER" /* F Conforming, Execute/Readable - Accessed */
2825 };
2826 const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
2827 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
2828 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2829 uint32_t u32Base = X86DESC_BASE(pDesc);
2830 uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2831
2832 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
2833 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
2834 pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
2835 pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
2836 }
2837 else
2838 {
2839 static const char * const s_apszTypes[] =
2840 {
2841 "Ill-0 ", /* 0 0000 Reserved (Illegal) */
2842 "Ill-1 ", /* 1 0001 Available 16-bit TSS */
2843 "LDT ", /* 2 0010 LDT */
2844 "Ill-3 ", /* 3 0011 Busy 16-bit TSS */
2845 "Ill-4 ", /* 4 0100 16-bit Call Gate */
2846 "Ill-5 ", /* 5 0101 Task Gate */
2847 "Ill-6 ", /* 6 0110 16-bit Interrupt Gate */
2848 "Ill-7 ", /* 7 0111 16-bit Trap Gate */
2849 "Ill-8 ", /* 8 1000 Reserved (Illegal) */
2850 "Tss64A", /* 9 1001 Available 32-bit TSS */
2851 "Ill-A ", /* A 1010 Reserved (Illegal) */
2852 "Tss64B", /* B 1011 Busy 32-bit TSS */
2853 "Call64", /* C 1100 32-bit Call Gate */
2854 "Ill-D ", /* D 1101 Reserved (Illegal) */
2855 "Int64 ", /* E 1110 32-bit Interrupt Gate */
2856 "Trap64" /* F 1111 32-bit Trap Gate */
2857 };
2858 switch (pDesc->Gen.u4Type)
2859 {
2860 /* raw */
2861 case X86_SEL_TYPE_SYS_UNDEFINED:
2862 case X86_SEL_TYPE_SYS_UNDEFINED2:
2863 case X86_SEL_TYPE_SYS_UNDEFINED4:
2864 case X86_SEL_TYPE_SYS_UNDEFINED3:
2865 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
2866 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
2867 case X86_SEL_TYPE_SYS_286_CALL_GATE:
2868 case X86_SEL_TYPE_SYS_286_INT_GATE:
2869 case X86_SEL_TYPE_SYS_286_TRAP_GATE:
2870 case X86_SEL_TYPE_SYS_TASK_GATE:
2871 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
2872 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
2873 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
2874 break;
2875
2876 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
2877 case X86_SEL_TYPE_SYS_386_TSS_BUSY:
2878 case X86_SEL_TYPE_SYS_LDT:
2879 {
2880 const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
2881 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2882 const char *pszLong = pDesc->Gen.u1Long ? "LONG" : " ";
2883
2884 uint64_t u64Base = X86DESC64_BASE(pDesc);
2885 uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2886
2887 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%016RX64 Lim=%08x DPL=%d %s %s %s %sAVL=%d R=%d%s\n",
2888 iEntry, s_apszTypes[pDesc->Gen.u4Type], u64Base, cbLimit,
2889 pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszLong, pszBig,
2890 pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1),
2891 pszHyper);
2892 if (pfDblEntry)
2893 *pfDblEntry = true;
2894 break;
2895 }
2896
2897 case X86_SEL_TYPE_SYS_386_CALL_GATE:
2898 {
2899 unsigned cParams = pDesc->au8[4] & 0x1f;
2900 const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
2901 RTSEL sel = pDesc->au16[1];
2902 uint64_t off = pDesc->au16[0]
2903 | ((uint64_t)pDesc->au16[3] << 16)
2904 | ((uint64_t)pDesc->Gen.u32BaseHigh3 << 32);
2905 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%d %s %s=%d%s\n",
2906 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
2907 pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper);
2908 if (pfDblEntry)
2909 *pfDblEntry = true;
2910 break;
2911 }
2912
2913 case X86_SEL_TYPE_SYS_386_INT_GATE:
2914 case X86_SEL_TYPE_SYS_386_TRAP_GATE:
2915 {
2916 RTSEL sel = pDesc->Gate.u16Sel;
2917 uint64_t off = pDesc->Gate.u16OffsetLow
2918 | ((uint64_t)pDesc->Gate.u16OffsetHigh << 16)
2919 | ((uint64_t)pDesc->Gate.u32OffsetTop << 32);
2920 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%u %s IST=%u%s\n",
2921 iEntry, s_apszTypes[pDesc->Gate.u4Type], sel, off,
2922 pDesc->Gate.u2Dpl, pszPresent, pDesc->Gate.u3IST, pszHyper);
2923 if (pfDblEntry)
2924 *pfDblEntry = true;
2925 break;
2926 }
2927
2928 /* impossible, just it's necessary to keep gcc happy. */
2929 default:
2930 return VINF_SUCCESS;
2931 }
2932 }
2933 return VINF_SUCCESS;
2934}
2935
2936
2937/**
2938 * Worker function that displays one descriptor entry (GDT, LDT, IDT).
2939 *
2940 * @returns pfnPrintf status code.
2941 * @param pCmdHlp The DBGC command helpers.
2942 * @param pDesc The descriptor to display.
2943 * @param iEntry The descriptor entry number.
2944 * @param fHyper Whether the selector belongs to the hypervisor or not.
2945 */
2946static int dbgcCmdDumpDTWorker32(PDBGCCMDHLP pCmdHlp, PCX86DESC pDesc, unsigned iEntry, bool fHyper)
2947{
2948 int rc;
2949
2950 const char *pszHyper = fHyper ? " HYPER" : "";
2951 const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
2952 if (pDesc->Gen.u1DescType)
2953 {
2954 static const char * const s_apszTypes[] =
2955 {
2956 "DataRO", /* 0 Read-Only */
2957 "DataRO", /* 1 Read-Only - Accessed */
2958 "DataRW", /* 2 Read/Write */
2959 "DataRW", /* 3 Read/Write - Accessed */
2960 "DownRO", /* 4 Expand-down, Read-Only */
2961 "DownRO", /* 5 Expand-down, Read-Only - Accessed */
2962 "DownRW", /* 6 Expand-down, Read/Write */
2963 "DownRW", /* 7 Expand-down, Read/Write - Accessed */
2964 "CodeEO", /* 8 Execute-Only */
2965 "CodeEO", /* 9 Execute-Only - Accessed */
2966 "CodeER", /* A Execute/Readable */
2967 "CodeER", /* B Execute/Readable - Accessed */
2968 "ConfE0", /* C Conforming, Execute-Only */
2969 "ConfE0", /* D Conforming, Execute-Only - Accessed */
2970 "ConfER", /* E Conforming, Execute/Readable */
2971 "ConfER" /* F Conforming, Execute/Readable - Accessed */
2972 };
2973 const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
2974 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
2975 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2976 uint32_t u32Base = pDesc->Gen.u16BaseLow
2977 | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
2978 | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
2979 uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16);
2980 if (pDesc->Gen.u1Granularity)
2981 cbLimit <<= PAGE_SHIFT;
2982
2983 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
2984 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
2985 pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
2986 pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
2987 }
2988 else
2989 {
2990 static const char * const s_apszTypes[] =
2991 {
2992 "Ill-0 ", /* 0 0000 Reserved (Illegal) */
2993 "Tss16A", /* 1 0001 Available 16-bit TSS */
2994 "LDT ", /* 2 0010 LDT */
2995 "Tss16B", /* 3 0011 Busy 16-bit TSS */
2996 "Call16", /* 4 0100 16-bit Call Gate */
2997 "TaskG ", /* 5 0101 Task Gate */
2998 "Int16 ", /* 6 0110 16-bit Interrupt Gate */
2999 "Trap16", /* 7 0111 16-bit Trap Gate */
3000 "Ill-8 ", /* 8 1000 Reserved (Illegal) */
3001 "Tss32A", /* 9 1001 Available 32-bit TSS */
3002 "Ill-A ", /* A 1010 Reserved (Illegal) */
3003 "Tss32B", /* B 1011 Busy 32-bit TSS */
3004 "Call32", /* C 1100 32-bit Call Gate */
3005 "Ill-D ", /* D 1101 Reserved (Illegal) */
3006 "Int32 ", /* E 1110 32-bit Interrupt Gate */
3007 "Trap32" /* F 1111 32-bit Trap Gate */
3008 };
3009 switch (pDesc->Gen.u4Type)
3010 {
3011 /* raw */
3012 case X86_SEL_TYPE_SYS_UNDEFINED:
3013 case X86_SEL_TYPE_SYS_UNDEFINED2:
3014 case X86_SEL_TYPE_SYS_UNDEFINED4:
3015 case X86_SEL_TYPE_SYS_UNDEFINED3:
3016 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
3017 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
3018 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3019 break;
3020
3021 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
3022 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
3023 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
3024 case X86_SEL_TYPE_SYS_386_TSS_BUSY:
3025 case X86_SEL_TYPE_SYS_LDT:
3026 {
3027 const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
3028 const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
3029 const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
3030 uint32_t u32Base = pDesc->Gen.u16BaseLow
3031 | ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
3032 | ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
3033 uint32_t cbLimit = pDesc->Gen.u16LimitLow | (pDesc->Gen.u4LimitHigh << 16);
3034 if (pDesc->Gen.u1Granularity)
3035 cbLimit <<= PAGE_SHIFT;
3036
3037 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d R=%d%s\n",
3038 iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
3039 pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszGranularity, pszBig,
3040 pDesc->Gen.u1Available, pDesc->Gen.u1Long | (pDesc->Gen.u1DefBig << 1),
3041 pszHyper);
3042 break;
3043 }
3044
3045 case X86_SEL_TYPE_SYS_TASK_GATE:
3046 {
3047 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s TSS=%04x DPL=%d %s%s\n",
3048 iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc->au16[1],
3049 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3050 break;
3051 }
3052
3053 case X86_SEL_TYPE_SYS_286_CALL_GATE:
3054 case X86_SEL_TYPE_SYS_386_CALL_GATE:
3055 {
3056 unsigned cParams = pDesc->au8[4] & 0x1f;
3057 const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
3058 RTSEL sel = pDesc->au16[1];
3059 uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16);
3060 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s %s=%d%s\n",
3061 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3062 pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper);
3063 break;
3064 }
3065
3066 case X86_SEL_TYPE_SYS_286_INT_GATE:
3067 case X86_SEL_TYPE_SYS_386_INT_GATE:
3068 case X86_SEL_TYPE_SYS_286_TRAP_GATE:
3069 case X86_SEL_TYPE_SYS_386_TRAP_GATE:
3070 {
3071 RTSEL sel = pDesc->au16[1];
3072 uint32_t off = pDesc->au16[0] | ((uint32_t)pDesc->au16[3] << 16);
3073 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s%s\n",
3074 iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
3075 pDesc->Gen.u2Dpl, pszPresent, pszHyper);
3076 break;
3077 }
3078
3079 /* impossible, just it's necessary to keep gcc happy. */
3080 default:
3081 return VINF_SUCCESS;
3082 }
3083 }
3084 return rc;
3085}
3086
3087
3088/**
3089 * @callback_method_impl{FNDBGCCMD, The 'dg'\, 'dga'\, 'dl' and 'dla' commands.}
3090 */
3091static DECLCALLBACK(int) dbgcCmdDumpDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3092{
3093 /*
3094 * Validate input.
3095 */
3096 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3097
3098 /*
3099 * Get the CPU mode, check which command variation this is
3100 * and fix a default parameter if needed.
3101 */
3102 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3103 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
3104 CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
3105 bool fGdt = pCmd->pszCmd[1] == 'g';
3106 bool fAll = pCmd->pszCmd[2] == 'a';
3107 RTSEL SelTable = fGdt ? 0 : X86_SEL_LDT;
3108
3109 DBGCVAR Var;
3110 if (!cArgs)
3111 {
3112 cArgs = 1;
3113 paArgs = &Var;
3114 Var.enmType = DBGCVAR_TYPE_NUMBER;
3115 Var.u.u64Number = 0;
3116 Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3117 Var.u64Range = 1024;
3118 }
3119
3120 /*
3121 * Process the arguments.
3122 */
3123 for (unsigned i = 0; i < cArgs; i++)
3124 {
3125 /*
3126 * Retrieve the selector value from the argument.
3127 * The parser may confuse pointers and numbers if more than one
3128 * argument is given, that that into account.
3129 */
3130 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER || DBGCVAR_ISPOINTER(paArgs[i].enmType));
3131 uint64_t u64;
3132 unsigned cSels = 1;
3133 switch (paArgs[i].enmType)
3134 {
3135 case DBGCVAR_TYPE_NUMBER:
3136 u64 = paArgs[i].u.u64Number;
3137 if (paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE)
3138 cSels = RT_MIN(paArgs[i].u64Range, 1024);
3139 break;
3140 case DBGCVAR_TYPE_GC_FAR: u64 = paArgs[i].u.GCFar.sel; break;
3141 case DBGCVAR_TYPE_GC_FLAT: u64 = paArgs[i].u.GCFlat; break;
3142 case DBGCVAR_TYPE_GC_PHYS: u64 = paArgs[i].u.GCPhys; break;
3143 case DBGCVAR_TYPE_HC_FLAT: u64 = (uintptr_t)paArgs[i].u.pvHCFlat; break;
3144 case DBGCVAR_TYPE_HC_PHYS: u64 = paArgs[i].u.HCPhys; break;
3145 default: u64 = _64K; break;
3146 }
3147 if (u64 < _64K)
3148 {
3149 unsigned Sel = (RTSEL)u64;
3150
3151 /*
3152 * Dump the specified range.
3153 */
3154 bool fSingle = cSels == 1;
3155 while ( cSels-- > 0
3156 && Sel < _64K)
3157 {
3158 DBGFSELINFO SelInfo;
3159 int rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, Sel | SelTable, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
3160 if (RT_SUCCESS(rc))
3161 {
3162 if (SelInfo.fFlags & DBGFSELINFO_FLAGS_REAL_MODE)
3163 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x RealM Bas=%04x Lim=%04x\n",
3164 Sel, (unsigned)SelInfo.GCPtrBase, (unsigned)SelInfo.cbLimit);
3165 else if ( fAll
3166 || fSingle
3167 || SelInfo.u.Raw.Gen.u1Present)
3168 {
3169 if (enmMode == CPUMMODE_PROTECTED)
3170 rc = dbgcCmdDumpDTWorker32(pCmdHlp, &SelInfo.u.Raw, Sel, !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER));
3171 else
3172 {
3173 bool fDblSkip = false;
3174 rc = dbgcCmdDumpDTWorker64(pCmdHlp, &SelInfo.u.Raw64, Sel, !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), &fDblSkip);
3175 if (fDblSkip)
3176 Sel += 4;
3177 }
3178 }
3179 }
3180 else
3181 {
3182 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %Rrc\n", Sel, rc);
3183 if (!fAll)
3184 return rc;
3185 }
3186 if (RT_FAILURE(rc))
3187 return rc;
3188
3189 /* next */
3190 Sel += 8;
3191 }
3192 }
3193 else
3194 DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds\n", u64);
3195 }
3196
3197 return VINF_SUCCESS;
3198}
3199
3200
3201/**
3202 * @callback_method_impl{FNDBGCCMD, The 'di' and 'dia' commands.}
3203 */
3204static DECLCALLBACK(int) dbgcCmdDumpIDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3205{
3206 /*
3207 * Validate input.
3208 */
3209 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3210
3211 /*
3212 * Establish some stuff like the current IDTR and CPU mode,
3213 * and fix a default parameter.
3214 */
3215 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3216 PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
3217 uint16_t cbLimit;
3218 RTGCUINTPTR GCPtrBase = CPUMGetGuestIDTR(pVCpu, &cbLimit);
3219 CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
3220 unsigned cbEntry;
3221 switch (enmMode)
3222 {
3223 case CPUMMODE_REAL: cbEntry = sizeof(RTFAR16); break;
3224 case CPUMMODE_PROTECTED: cbEntry = sizeof(X86DESC); break;
3225 case CPUMMODE_LONG: cbEntry = sizeof(X86DESC64); break;
3226 default:
3227 return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid CPU mode %d.\n", enmMode);
3228 }
3229
3230 bool fAll = pCmd->pszCmd[2] == 'a';
3231 DBGCVAR Var;
3232 if (!cArgs)
3233 {
3234 cArgs = 1;
3235 paArgs = &Var;
3236 Var.enmType = DBGCVAR_TYPE_NUMBER;
3237 Var.u.u64Number = 0;
3238 Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
3239 Var.u64Range = 256;
3240 }
3241
3242 /*
3243 * Process the arguments.
3244 */
3245 for (unsigned i = 0; i < cArgs; i++)
3246 {
3247 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER);
3248 if (paArgs[i].u.u64Number < 256)
3249 {
3250 RTGCUINTPTR iInt = (RTGCUINTPTR)paArgs[i].u.u64Number;
3251 unsigned cInts = paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE
3252 ? paArgs[i].u64Range
3253 : 1;
3254 bool fSingle = cInts == 1;
3255 while ( cInts-- > 0
3256 && iInt < 256)
3257 {
3258 /*
3259 * Try read it.
3260 */
3261 union
3262 {
3263 RTFAR16 Real;
3264 X86DESC Prot;
3265 X86DESC64 Long;
3266 } u;
3267 if (iInt * cbEntry + (cbEntry - 1) > cbLimit)
3268 {
3269 DBGCCmdHlpPrintf(pCmdHlp, "%04x not within the IDT\n", (unsigned)iInt);
3270 if (!fAll && !fSingle)
3271 return VINF_SUCCESS;
3272 }
3273 DBGCVAR AddrVar;
3274 AddrVar.enmType = DBGCVAR_TYPE_GC_FLAT;
3275 AddrVar.u.GCFlat = GCPtrBase + iInt * cbEntry;
3276 AddrVar.enmRangeType = DBGCVAR_RANGE_NONE;
3277 int rc = pCmdHlp->pfnMemRead(pCmdHlp, &u, cbEntry, &AddrVar, NULL);
3278 if (RT_FAILURE(rc))
3279 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading IDT entry %#04x.\n", (unsigned)iInt);
3280
3281 /*
3282 * Display it.
3283 */
3284 switch (enmMode)
3285 {
3286 case CPUMMODE_REAL:
3287 rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %RTfp16\n", (unsigned)iInt, u.Real);
3288 /** @todo resolve 16:16 IDTE to a symbol */
3289 break;
3290 case CPUMMODE_PROTECTED:
3291 if (fAll || fSingle || u.Prot.Gen.u1Present)
3292 rc = dbgcCmdDumpDTWorker32(pCmdHlp, &u.Prot, iInt, false);
3293 break;
3294 case CPUMMODE_LONG:
3295 if (fAll || fSingle || u.Long.Gen.u1Present)
3296 rc = dbgcCmdDumpDTWorker64(pCmdHlp, &u.Long, iInt, false, NULL);
3297 break;
3298 default: break; /* to shut up gcc */
3299 }
3300 if (RT_FAILURE(rc))
3301 return rc;
3302
3303 /* next */
3304 iInt++;
3305 }
3306 }
3307 else
3308 DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds (max 256)\n", paArgs[i].u.u64Number);
3309 }
3310
3311 return VINF_SUCCESS;
3312}
3313
3314
3315/**
3316 * @callback_method_impl{FNDBGCCMD,
3317 * The 'da'\, 'dq'\, 'dd'\, 'dw' and 'db' commands.}
3318 */
3319static DECLCALLBACK(int) dbgcCmdDumpMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3320{
3321 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3322
3323 /*
3324 * Validate input.
3325 */
3326 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3327 if (cArgs == 1)
3328 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3329 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3330
3331 /*
3332 * Figure out the element size.
3333 */
3334 unsigned cbElement;
3335 bool fAscii = false;
3336 switch (pCmd->pszCmd[1])
3337 {
3338 default:
3339 case 'b': cbElement = 1; break;
3340 case 'w': cbElement = 2; break;
3341 case 'd': cbElement = 4; break;
3342 case 'q': cbElement = 8; break;
3343 case 'a':
3344 cbElement = 1;
3345 fAscii = true;
3346 break;
3347 case '\0':
3348 fAscii = !!(pDbgc->cbDumpElement & 0x80000000);
3349 cbElement = pDbgc->cbDumpElement & 0x7fffffff;
3350 if (!cbElement)
3351 cbElement = 1;
3352 break;
3353 }
3354
3355 /*
3356 * Find address.
3357 */
3358 if (!cArgs)
3359 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_NONE;
3360 else
3361 pDbgc->DumpPos = paArgs[0];
3362
3363 /*
3364 * Range.
3365 */
3366 switch (pDbgc->DumpPos.enmRangeType)
3367 {
3368 case DBGCVAR_RANGE_NONE:
3369 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3370 pDbgc->DumpPos.u64Range = 0x60;
3371 break;
3372
3373 case DBGCVAR_RANGE_ELEMENTS:
3374 if (pDbgc->DumpPos.u64Range > 2048)
3375 return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many elements requested. Max is 2048 elements.\n");
3376 pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
3377 pDbgc->DumpPos.u64Range = (cbElement ? cbElement : 1) * pDbgc->DumpPos.u64Range;
3378 break;
3379
3380 case DBGCVAR_RANGE_BYTES:
3381 if (pDbgc->DumpPos.u64Range > 65536)
3382 return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
3383 break;
3384
3385 default:
3386 return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->DumpPos.enmRangeType);
3387 }
3388
3389 pDbgc->pLastPos = &pDbgc->DumpPos;
3390
3391 /*
3392 * Do the dumping.
3393 */
3394 pDbgc->cbDumpElement = cbElement | (fAscii << 31);
3395 int cbLeft = (int)pDbgc->DumpPos.u64Range;
3396 uint8_t u8Prev = '\0';
3397 for (;;)
3398 {
3399 /*
3400 * Read memory.
3401 */
3402 char achBuffer[16];
3403 size_t cbReq = RT_MIN((int)sizeof(achBuffer), cbLeft);
3404 size_t cb = RT_MIN((int)sizeof(achBuffer), cbLeft);
3405 int rc = pCmdHlp->pfnMemRead(pCmdHlp, &achBuffer, cbReq, &pDbgc->DumpPos, &cb);
3406 if (RT_FAILURE(rc))
3407 {
3408 if (u8Prev && u8Prev != '\n')
3409 DBGCCmdHlpPrintf(pCmdHlp, "\n");
3410 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading memory at %DV.\n", &pDbgc->DumpPos);
3411 }
3412
3413 /*
3414 * Display it.
3415 */
3416 memset(&achBuffer[cb], 0, sizeof(achBuffer) - cb);
3417 if (!fAscii)
3418 {
3419 DBGCCmdHlpPrintf(pCmdHlp, "%DV:", &pDbgc->DumpPos);
3420 unsigned i;
3421 for (i = 0; i < cb; i += cbElement)
3422 {
3423 const char *pszSpace = " ";
3424 if (cbElement <= 2 && i == 8 && !fAscii)
3425 pszSpace = "-";
3426 switch (cbElement)
3427 {
3428 case 1: DBGCCmdHlpPrintf(pCmdHlp, "%s%02x", pszSpace, *(uint8_t *)&achBuffer[i]); break;
3429 case 2: DBGCCmdHlpPrintf(pCmdHlp, "%s%04x", pszSpace, *(uint16_t *)&achBuffer[i]); break;
3430 case 4: DBGCCmdHlpPrintf(pCmdHlp, "%s%08x", pszSpace, *(uint32_t *)&achBuffer[i]); break;
3431 case 8: DBGCCmdHlpPrintf(pCmdHlp, "%s%016llx", pszSpace, *(uint64_t *)&achBuffer[i]); break;
3432 }
3433 }
3434
3435 /* chars column */
3436 if (pDbgc->cbDumpElement == 1)
3437 {
3438 while (i++ < sizeof(achBuffer))
3439 DBGCCmdHlpPrintf(pCmdHlp, " ");
3440 DBGCCmdHlpPrintf(pCmdHlp, " ");
3441 for (i = 0; i < cb; i += cbElement)
3442 {
3443 uint8_t u8 = *(uint8_t *)&achBuffer[i];
3444 if (RT_C_IS_PRINT(u8) && u8 < 127 && u8 >= 32)
3445 DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
3446 else
3447 DBGCCmdHlpPrintf(pCmdHlp, ".");
3448 }
3449 }
3450 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3451 }
3452 else
3453 {
3454 /*
3455 * We print up to the first zero and stop there.
3456 * Only printables + '\t' and '\n' are printed.
3457 */
3458 if (!u8Prev)
3459 DBGCCmdHlpPrintf(pCmdHlp, "%DV:\n", &pDbgc->DumpPos);
3460 uint8_t u8 = '\0';
3461 unsigned i;
3462 for (i = 0; i < cb; i++)
3463 {
3464 u8Prev = u8;
3465 u8 = *(uint8_t *)&achBuffer[i];
3466 if ( u8 < 127
3467 && ( (RT_C_IS_PRINT(u8) && u8 >= 32)
3468 || u8 == '\t'
3469 || u8 == '\n'))
3470 DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
3471 else if (!u8)
3472 break;
3473 else
3474 DBGCCmdHlpPrintf(pCmdHlp, "\\x%x", u8);
3475 }
3476 if (u8 == '\0')
3477 cb = cbLeft = i + 1;
3478 if (cbLeft - cb <= 0 && u8Prev != '\n')
3479 DBGCCmdHlpPrintf(pCmdHlp, "\n");
3480 }
3481
3482 /*
3483 * Advance
3484 */
3485 cbLeft -= (int)cb;
3486 rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DumpPos, "(%Dv) + %x", &pDbgc->DumpPos, cb);
3487 if (RT_FAILURE(rc))
3488 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->DumpPos, cb);
3489 if (cbLeft <= 0)
3490 break;
3491 }
3492
3493 NOREF(pCmd);
3494 return VINF_SUCCESS;
3495}
3496
3497
3498/**
3499 * Best guess at which paging mode currently applies to the guest
3500 * paging structures.
3501 *
3502 * This have to come up with a decent answer even when the guest
3503 * is in non-paged protected mode or real mode.
3504 *
3505 * @returns cr3.
3506 * @param pDbgc The DBGC instance.
3507 * @param pfPAE Where to store the page address extension indicator.
3508 * @param pfLME Where to store the long mode enabled indicator.
3509 * @param pfPSE Where to store the page size extension indicator.
3510 * @param pfPGE Where to store the page global enabled indicator.
3511 * @param pfNXE Where to store the no-execution enabled indicator.
3512 */
3513static RTGCPHYS dbgcGetGuestPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE)
3514{
3515 PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3516 RTGCUINTREG cr4 = CPUMGetGuestCR4(pVCpu);
3517 *pfPSE = !!(cr4 & X86_CR4_PSE);
3518 *pfPGE = !!(cr4 & X86_CR4_PGE);
3519 if (cr4 & X86_CR4_PAE)
3520 {
3521 *pfPSE = true;
3522 *pfPAE = true;
3523 }
3524 else
3525 *pfPAE = false;
3526
3527 *pfLME = CPUMGetGuestMode(pVCpu) == CPUMMODE_LONG;
3528 *pfNXE = false; /* GUEST64 GUESTNX */
3529 return CPUMGetGuestCR3(pVCpu);
3530}
3531
3532
3533/**
3534 * Determine the shadow paging mode.
3535 *
3536 * @returns cr3.
3537 * @param pDbgc The DBGC instance.
3538 * @param pfPAE Where to store the page address extension indicator.
3539 * @param pfLME Where to store the long mode enabled indicator.
3540 * @param pfPSE Where to store the page size extension indicator.
3541 * @param pfPGE Where to store the page global enabled indicator.
3542 * @param pfNXE Where to store the no-execution enabled indicator.
3543 */
3544static RTHCPHYS dbgcGetShadowPageMode(PDBGC pDbgc, bool *pfPAE, bool *pfLME, bool *pfPSE, bool *pfPGE, bool *pfNXE)
3545{
3546 PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
3547
3548 *pfPSE = true;
3549 *pfPGE = false;
3550 switch (PGMGetShadowMode(pVCpu))
3551 {
3552 default:
3553 case PGMMODE_32_BIT:
3554 *pfPAE = *pfLME = *pfNXE = false;
3555 break;
3556 case PGMMODE_PAE:
3557 *pfLME = *pfNXE = false;
3558 *pfPAE = true;
3559 break;
3560 case PGMMODE_PAE_NX:
3561 *pfLME = false;
3562 *pfPAE = *pfNXE = true;
3563 break;
3564 case PGMMODE_AMD64:
3565 *pfNXE = false;
3566 *pfPAE = *pfLME = true;
3567 break;
3568 case PGMMODE_AMD64_NX:
3569 *pfPAE = *pfLME = *pfNXE = true;
3570 break;
3571 }
3572 return PGMGetHyperCR3(pVCpu);
3573}
3574
3575
3576/**
3577 * @callback_method_impl{FNDBGCCMD,
3578 * The 'dpd'\, 'dpda'\, 'dpdb'\, 'dpdg' and 'dpdh' commands.}
3579 */
3580static DECLCALLBACK(int) dbgcCmdDumpPageDir(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3581{
3582 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3583
3584 /*
3585 * Validate input.
3586 */
3587 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3588 if (cArgs == 1 && pCmd->pszCmd[3] == 'a')
3589 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3590 if (cArgs == 1 && pCmd->pszCmd[3] != 'a')
3591 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3592 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
3593 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3594
3595 /*
3596 * Guest or shadow page directories? Get the paging parameters.
3597 */
3598 bool fGuest = pCmd->pszCmd[3] != 'h';
3599 if (!pCmd->pszCmd[3] || pCmd->pszCmd[3] == 'a')
3600 fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3601 ? pDbgc->fRegCtxGuest
3602 : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
3603
3604 bool fPAE, fLME, fPSE, fPGE, fNXE;
3605 uint64_t cr3 = fGuest
3606 ? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
3607 : dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
3608 const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
3609
3610 /*
3611 * Setup default argument if none was specified.
3612 * Fix address / index confusion.
3613 */
3614 DBGCVAR VarDefault;
3615 if (!cArgs)
3616 {
3617 if (pCmd->pszCmd[3] == 'a')
3618 {
3619 if (fLME || fPAE)
3620 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");
3621 if (fGuest)
3622 DBGCVAR_INIT_GC_PHYS(&VarDefault, cr3);
3623 else
3624 DBGCVAR_INIT_HC_PHYS(&VarDefault, cr3);
3625 }
3626 else
3627 DBGCVAR_INIT_GC_FLAT(&VarDefault, 0);
3628 paArgs = &VarDefault;
3629 cArgs = 1;
3630 }
3631 else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
3632 {
3633 /* If it's a number (not an address), it's an index, so convert it to an address. */
3634 Assert(pCmd->pszCmd[3] != 'a');
3635 VarDefault = paArgs[0];
3636 if (fPAE)
3637 return DBGCCmdHlpPrintf(pCmdHlp, "PDE indexing is only implemented for 32-bit paging.\n");
3638 if (VarDefault.u.u64Number >= PAGE_SIZE / cbEntry)
3639 return DBGCCmdHlpPrintf(pCmdHlp, "PDE index is out of range [0..%d].\n", PAGE_SIZE / cbEntry - 1);
3640 VarDefault.u.u64Number <<= X86_PD_SHIFT;
3641 VarDefault.enmType = DBGCVAR_TYPE_GC_FLAT;
3642 paArgs = &VarDefault;
3643 }
3644
3645 /*
3646 * Locate the PDE to start displaying at.
3647 *
3648 * The 'dpda' command takes the address of a PDE, while the others are guest
3649 * virtual address which PDEs should be displayed. So, 'dpda' is rather simple
3650 * while the others require us to do all the tedious walking thru the paging
3651 * hierarchy to find the intended PDE.
3652 */
3653 unsigned iEntry = ~0U; /* The page directory index. ~0U for 'dpta'. */
3654 DBGCVAR VarGCPtr = { NULL, }; /* The GC address corresponding to the current PDE (iEntry != ~0U). */
3655 DBGCVAR VarPDEAddr; /* The address of the current PDE. */
3656 unsigned cEntries; /* The number of entries to display. */
3657 unsigned cEntriesMax; /* The max number of entries to display. */
3658 int rc;
3659 if (pCmd->pszCmd[3] == 'a')
3660 {
3661 VarPDEAddr = paArgs[0];
3662 switch (VarPDEAddr.enmRangeType)
3663 {
3664 case DBGCVAR_RANGE_BYTES: cEntries = VarPDEAddr.u64Range / cbEntry; break;
3665 case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPDEAddr.u64Range; break;
3666 default: cEntries = 10; break;
3667 }
3668 cEntriesMax = PAGE_SIZE / cbEntry;
3669 }
3670 else
3671 {
3672 /*
3673 * Determine the range.
3674 */
3675 switch (paArgs[0].enmRangeType)
3676 {
3677 case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
3678 case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
3679 default: cEntries = 10; break;
3680 }
3681
3682 /*
3683 * Normalize the input address, it must be a flat GC address.
3684 */
3685 rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
3686 if (RT_FAILURE(rc))
3687 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
3688 if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
3689 {
3690 VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
3691 VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
3692 }
3693 if (fPAE)
3694 VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_PAE_SHIFT) - 1);
3695 else
3696 VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_SHIFT) - 1);
3697
3698 /*
3699 * Do the paging walk until we get to the page directory.
3700 */
3701 DBGCVAR VarCur;
3702 if (fGuest)
3703 DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
3704 else
3705 DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
3706 if (fLME)
3707 {
3708 /* Page Map Level 4 Lookup. */
3709 /* Check if it's a valid address first? */
3710 VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
3711 VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
3712 X86PML4E Pml4e;
3713 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
3714 if (RT_FAILURE(rc))
3715 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
3716 if (!Pml4e.n.u1Present)
3717 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
3718
3719 VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
3720 Assert(fPAE);
3721 }
3722 if (fPAE)
3723 {
3724 /* Page directory pointer table. */
3725 X86PDPE Pdpe;
3726 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
3727 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
3728 if (RT_FAILURE(rc))
3729 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
3730 if (!Pdpe.n.u1Present)
3731 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
3732
3733 iEntry = (VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK;
3734 VarPDEAddr = VarCur;
3735 VarPDEAddr.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
3736 VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDEPAE);
3737 }
3738 else
3739 {
3740 /* 32-bit legacy - CR3 == page directory. */
3741 iEntry = (VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK;
3742 VarPDEAddr = VarCur;
3743 VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDE);
3744 }
3745 cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
3746 }
3747
3748 /* adjust cEntries */
3749 cEntries = RT_MAX(1, cEntries);
3750 cEntries = RT_MIN(cEntries, cEntriesMax);
3751
3752 /*
3753 * The display loop.
3754 */
3755 DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (index %#x):\n" : "%DV:\n",
3756 &VarPDEAddr, iEntry);
3757 do
3758 {
3759 /*
3760 * Read.
3761 */
3762 X86PDEPAE Pde;
3763 Pde.u = 0;
3764 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, cbEntry, &VarPDEAddr, NULL);
3765 if (RT_FAILURE(rc))
3766 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarPDEAddr);
3767
3768 /*
3769 * Display.
3770 */
3771 if (iEntry != ~0U)
3772 {
3773 DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
3774 iEntry++;
3775 }
3776 if (fPSE && Pde.b.u1Size)
3777 DBGCCmdHlpPrintf(pCmdHlp,
3778 fPAE
3779 ? "%016llx big phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
3780 : "%08llx big phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
3781 Pde.u,
3782 Pde.u & X86_PDE_PAE_PG_MASK,
3783 Pde.b.u1Present ? "p " : "np",
3784 Pde.b.u1Write ? "w" : "r",
3785 Pde.b.u1User ? "u" : "s",
3786 Pde.b.u1Accessed ? "a " : "na",
3787 Pde.b.u1Dirty ? "d " : "nd",
3788 Pde.b.u3Available,
3789 Pde.b.u1Global ? (fPGE ? "g" : "G") : " ",
3790 Pde.b.u1WriteThru ? "pwt" : " ",
3791 Pde.b.u1CacheDisable ? "pcd" : " ",
3792 Pde.b.u1PAT ? "pat" : "",
3793 Pde.b.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
3794 else
3795 DBGCCmdHlpPrintf(pCmdHlp,
3796 fPAE
3797 ? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s"
3798 : "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s",
3799 Pde.u,
3800 Pde.u & X86_PDE_PAE_PG_MASK,
3801 Pde.n.u1Present ? "p " : "np",
3802 Pde.n.u1Write ? "w" : "r",
3803 Pde.n.u1User ? "u" : "s",
3804 Pde.n.u1Accessed ? "a " : "na",
3805 Pde.u & RT_BIT(6) ? "6 " : " ",
3806 Pde.n.u3Available,
3807 Pde.u & RT_BIT(8) ? "8" : " ",
3808 Pde.n.u1WriteThru ? "pwt" : " ",
3809 Pde.n.u1CacheDisable ? "pcd" : " ",
3810 Pde.u & RT_BIT(7) ? "7" : "",
3811 Pde.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
3812 if (Pde.u & UINT64_C(0x7fff000000000000))
3813 DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pde.u & UINT64_C(0x7fff000000000000)));
3814 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3815 if (RT_FAILURE(rc))
3816 return rc;
3817
3818 /*
3819 * Advance.
3820 */
3821 VarPDEAddr.u.u64Number += cbEntry;
3822 if (iEntry != ~0U)
3823 VarGCPtr.u.GCFlat += fPAE ? RT_BIT_32(X86_PD_PAE_SHIFT) : RT_BIT_32(X86_PD_SHIFT);
3824 } while (cEntries-- > 0);
3825
3826 return VINF_SUCCESS;
3827}
3828
3829
3830/**
3831 * @callback_method_impl{FNDBGCCMD, The 'dpdb' command.}
3832 */
3833static DECLCALLBACK(int) dbgcCmdDumpPageDirBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3834{
3835 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3836 int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dpdg %DV", &paArgs[0]);
3837 int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpdh %DV", &paArgs[0]);
3838 if (RT_FAILURE(rc1))
3839 return rc1;
3840 NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
3841 return rc2;
3842}
3843
3844
3845/**
3846 * @callback_method_impl{FNDBGCCMD, The 'dph*' commands and main part of 'm'.}
3847 */
3848static DECLCALLBACK(int) dbgcCmdDumpPageHierarchy(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3849{
3850 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3851 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3852
3853 /*
3854 * Figure the context and base flags.
3855 */
3856 uint32_t fFlags = DBGFPGDMP_FLAGS_PAGE_INFO | DBGFPGDMP_FLAGS_PRINT_CR3;
3857 if (pCmd->pszCmd[0] == 'm')
3858 fFlags |= DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW;
3859 else if (pCmd->pszCmd[3] == '\0')
3860 fFlags |= pDbgc->fRegCtxGuest ? DBGFPGDMP_FLAGS_GUEST : DBGFPGDMP_FLAGS_SHADOW;
3861 else if (pCmd->pszCmd[3] == 'g')
3862 fFlags |= DBGFPGDMP_FLAGS_GUEST;
3863 else if (pCmd->pszCmd[3] == 'h')
3864 fFlags |= DBGFPGDMP_FLAGS_SHADOW;
3865 else
3866 AssertFailed();
3867
3868 if (pDbgc->cPagingHierarchyDumps == 0)
3869 fFlags |= DBGFPGDMP_FLAGS_HEADER;
3870 pDbgc->cPagingHierarchyDumps = (pDbgc->cPagingHierarchyDumps + 1) % 42;
3871
3872 /*
3873 * Get the range.
3874 */
3875 PCDBGCVAR pRange = cArgs > 0 ? &paArgs[0] : pDbgc->pLastPos;
3876 RTGCPTR GCPtrFirst = NIL_RTGCPTR;
3877 int rc = DBGCCmdHlpVarToFlatAddr(pCmdHlp, pRange, &GCPtrFirst);
3878 if (RT_FAILURE(rc))
3879 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to convert %DV to a flat address: %Rrc", pRange, rc);
3880
3881 uint64_t cbRange;
3882 rc = DBGCCmdHlpVarGetRange(pCmdHlp, pRange, PAGE_SIZE, PAGE_SIZE * 8, &cbRange);
3883 if (RT_FAILURE(rc))
3884 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to obtain the range of %DV: %Rrc", pRange, rc);
3885
3886 RTGCPTR GCPtrLast = RTGCPTR_MAX - GCPtrFirst;
3887 if (cbRange >= GCPtrLast)
3888 GCPtrLast = RTGCPTR_MAX;
3889 else if (!cbRange)
3890 GCPtrLast = GCPtrFirst;
3891 else
3892 GCPtrLast = GCPtrFirst + cbRange - 1;
3893
3894 /*
3895 * Do we have a CR3?
3896 */
3897 uint64_t cr3 = 0;
3898 if (cArgs > 1)
3899 {
3900 if ((fFlags & (DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW)) == (DBGFPGDMP_FLAGS_GUEST | DBGFPGDMP_FLAGS_SHADOW))
3901 return DBGCCmdHlpFail(pCmdHlp, pCmd, "No CR3 or mode arguments when dumping both context, please.");
3902 if (paArgs[1].enmType != DBGCVAR_TYPE_NUMBER)
3903 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The CR3 argument is not a number: %DV", &paArgs[1]);
3904 cr3 = paArgs[1].u.u64Number;
3905 }
3906 else
3907 fFlags |= DBGFPGDMP_FLAGS_CURRENT_CR3;
3908
3909 /*
3910 * Do we have a mode?
3911 */
3912 if (cArgs > 2)
3913 {
3914 if (paArgs[2].enmType != DBGCVAR_TYPE_STRING)
3915 return DBGCCmdHlpFail(pCmdHlp, pCmd, "The mode argument is not a string: %DV", &paArgs[2]);
3916 static const struct MODETOFLAGS
3917 {
3918 const char *pszName;
3919 uint32_t fFlags;
3920 } s_aModeToFlags[] =
3921 {
3922 { "ept", DBGFPGDMP_FLAGS_EPT },
3923 { "legacy", 0 },
3924 { "legacy-np", DBGFPGDMP_FLAGS_NP },
3925 { "pse", DBGFPGDMP_FLAGS_PSE },
3926 { "pse-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_NP },
3927 { "pae", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE },
3928 { "pae-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NP },
3929 { "pae-nx", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NXE },
3930 { "pae-nx-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_NXE | DBGFPGDMP_FLAGS_NP },
3931 { "long", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME },
3932 { "long-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NP },
3933 { "long-nx", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NXE },
3934 { "long-nx-np", DBGFPGDMP_FLAGS_PSE | DBGFPGDMP_FLAGS_PAE | DBGFPGDMP_FLAGS_LME | DBGFPGDMP_FLAGS_NXE | DBGFPGDMP_FLAGS_NP }
3935 };
3936 int i = RT_ELEMENTS(s_aModeToFlags);
3937 while (i-- > 0)
3938 if (!strcmp(s_aModeToFlags[i].pszName, paArgs[2].u.pszString))
3939 {
3940 fFlags |= s_aModeToFlags[i].fFlags;
3941 break;
3942 }
3943 if (i < 0)
3944 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown mode: \"%s\"", paArgs[2].u.pszString);
3945 }
3946 else
3947 fFlags |= DBGFPGDMP_FLAGS_CURRENT_MODE;
3948
3949 /*
3950 * Call the worker.
3951 */
3952 rc = DBGFR3PagingDumpEx(pUVM, pDbgc->idCpu, fFlags, cr3, GCPtrFirst, GCPtrLast, 99 /*cMaxDepth*/,
3953 DBGCCmdHlpGetDbgfOutputHlp(pCmdHlp));
3954 if (RT_FAILURE(rc))
3955 return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3PagingDumpEx: %Rrc\n", rc);
3956 return VINF_SUCCESS;
3957}
3958
3959
3960
3961/**
3962 * @callback_method_impl{FNDBGCCMD, The 'dpg*' commands.}
3963 */
3964static DECLCALLBACK(int) dbgcCmdDumpPageTable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3965{
3966 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3967
3968 /*
3969 * Validate input.
3970 */
3971 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1);
3972 if (pCmd->pszCmd[3] == 'a')
3973 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3974 else
3975 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3976 || DBGCVAR_ISPOINTER(paArgs[0].enmType));
3977 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3978
3979 /*
3980 * Guest or shadow page tables? Get the paging parameters.
3981 */
3982 bool fGuest = pCmd->pszCmd[3] != 'h';
3983 if (!pCmd->pszCmd[3] || pCmd->pszCmd[3] == 'a')
3984 fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3985 ? pDbgc->fRegCtxGuest
3986 : DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
3987
3988 bool fPAE, fLME, fPSE, fPGE, fNXE;
3989 uint64_t cr3 = fGuest
3990 ? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
3991 : dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
3992 const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
3993
3994 /*
3995 * Locate the PTE to start displaying at.
3996 *
3997 * The 'dpta' command takes the address of a PTE, while the others are guest
3998 * virtual address which PTEs should be displayed. So, 'pdta' is rather simple
3999 * while the others require us to do all the tedious walking thru the paging
4000 * hierarchy to find the intended PTE.
4001 */
4002 unsigned iEntry = ~0U; /* The page table index. ~0U for 'dpta'. */
4003 DBGCVAR VarGCPtr; /* The GC address corresponding to the current PTE (iEntry != ~0U). */
4004 DBGCVAR VarPTEAddr; /* The address of the current PTE. */
4005 unsigned cEntries; /* The number of entries to display. */
4006 unsigned cEntriesMax; /* The max number of entries to display. */
4007 int rc;
4008 if (pCmd->pszCmd[3] == 'a')
4009 {
4010 VarPTEAddr = paArgs[0];
4011 switch (VarPTEAddr.enmRangeType)
4012 {
4013 case DBGCVAR_RANGE_BYTES: cEntries = VarPTEAddr.u64Range / cbEntry; break;
4014 case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPTEAddr.u64Range; break;
4015 default: cEntries = 10; break;
4016 }
4017 cEntriesMax = PAGE_SIZE / cbEntry;
4018 }
4019 else
4020 {
4021 /*
4022 * Determine the range.
4023 */
4024 switch (paArgs[0].enmRangeType)
4025 {
4026 case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
4027 case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
4028 default: cEntries = 10; break;
4029 }
4030
4031 /*
4032 * Normalize the input address, it must be a flat GC address.
4033 */
4034 rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
4035 if (RT_FAILURE(rc))
4036 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
4037 if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
4038 {
4039 VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
4040 VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
4041 }
4042 VarGCPtr.u.GCFlat &= ~(RTGCPTR)PAGE_OFFSET_MASK;
4043
4044 /*
4045 * Do the paging walk until we get to the page table.
4046 */
4047 DBGCVAR VarCur;
4048 if (fGuest)
4049 DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
4050 else
4051 DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
4052 if (fLME)
4053 {
4054 /* Page Map Level 4 Lookup. */
4055 /* Check if it's a valid address first? */
4056 VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
4057 VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
4058 X86PML4E Pml4e;
4059 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
4060 if (RT_FAILURE(rc))
4061 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
4062 if (!Pml4e.n.u1Present)
4063 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
4064
4065 VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
4066 Assert(fPAE);
4067 }
4068 if (fPAE)
4069 {
4070 /* Page directory pointer table. */
4071 X86PDPE Pdpe;
4072 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
4073 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
4074 if (RT_FAILURE(rc))
4075 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
4076 if (!Pdpe.n.u1Present)
4077 return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
4078
4079 VarCur.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
4080
4081 /* Page directory (PAE). */
4082 X86PDEPAE Pde;
4083 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK) * sizeof(Pde);
4084 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
4085 if (RT_FAILURE(rc))
4086 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
4087 if (!Pde.n.u1Present)
4088 return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
4089 if (fPSE && Pde.n.u1Size)
4090 return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
4091
4092 iEntry = (VarGCPtr.u.GCFlat >> X86_PT_PAE_SHIFT) & X86_PT_PAE_MASK;
4093 VarPTEAddr = VarCur;
4094 VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PAE_PG_MASK;
4095 VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTEPAE);
4096 }
4097 else
4098 {
4099 /* Page directory (legacy). */
4100 X86PDE Pde;
4101 VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK) * sizeof(Pde);
4102 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
4103 if (RT_FAILURE(rc))
4104 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
4105 if (!Pde.n.u1Present)
4106 return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
4107 if (fPSE && Pde.n.u1Size)
4108 return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
4109
4110 iEntry = (VarGCPtr.u.GCFlat >> X86_PT_SHIFT) & X86_PT_MASK;
4111 VarPTEAddr = VarCur;
4112 VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PG_MASK;
4113 VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTE);
4114 }
4115 cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
4116 }
4117
4118 /* adjust cEntries */
4119 cEntries = RT_MAX(1, cEntries);
4120 cEntries = RT_MIN(cEntries, cEntriesMax);
4121
4122 /*
4123 * The display loop.
4124 */
4125 DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (base %DV / index %#x):\n" : "%DV:\n",
4126 &VarPTEAddr, &VarGCPtr, iEntry);
4127 do
4128 {
4129 /*
4130 * Read.
4131 */
4132 X86PTEPAE Pte;
4133 Pte.u = 0;
4134 rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pte, cbEntry, &VarPTEAddr, NULL);
4135 if (RT_FAILURE(rc))
4136 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PTE memory at %DV.\n", &VarPTEAddr);
4137
4138 /*
4139 * Display.
4140 */
4141 if (iEntry != ~0U)
4142 {
4143 DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
4144 iEntry++;
4145 }
4146 DBGCCmdHlpPrintf(pCmdHlp,
4147 fPAE
4148 ? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
4149 : "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
4150 Pte.u,
4151 Pte.u & X86_PTE_PAE_PG_MASK,
4152 Pte.n.u1Present ? "p " : "np",
4153 Pte.n.u1Write ? "w" : "r",
4154 Pte.n.u1User ? "u" : "s",
4155 Pte.n.u1Accessed ? "a " : "na",
4156 Pte.n.u1Dirty ? "d " : "nd",
4157 Pte.n.u3Available,
4158 Pte.n.u1Global ? (fPGE ? "g" : "G") : " ",
4159 Pte.n.u1WriteThru ? "pwt" : " ",
4160 Pte.n.u1CacheDisable ? "pcd" : " ",
4161 Pte.n.u1PAT ? "pat" : " ",
4162 Pte.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " "
4163 );
4164 if (Pte.u & UINT64_C(0x7fff000000000000))
4165 DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pte.u & UINT64_C(0x7fff000000000000)));
4166 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
4167 if (RT_FAILURE(rc))
4168 return rc;
4169
4170 /*
4171 * Advance.
4172 */
4173 VarPTEAddr.u.u64Number += cbEntry;
4174 if (iEntry != ~0U)
4175 VarGCPtr.u.GCFlat += PAGE_SIZE;
4176 } while (cEntries-- > 0);
4177
4178 return VINF_SUCCESS;
4179}
4180
4181
4182/**
4183 * @callback_method_impl{FNDBGCCMD, The 'dptb' command.}
4184 */
4185static DECLCALLBACK(int) dbgcCmdDumpPageTableBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4186{
4187 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4188 int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dptg %DV", &paArgs[0]);
4189 int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpth %DV", &paArgs[0]);
4190 if (RT_FAILURE(rc1))
4191 return rc1;
4192 NOREF(pCmd); NOREF(cArgs);
4193 return rc2;
4194}
4195
4196
4197/**
4198 * @callback_method_impl{FNDBGCCMD, The 'dt' command.}
4199 */
4200static DECLCALLBACK(int) dbgcCmdDumpTSS(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4201{
4202 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4203 int rc;
4204
4205 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4206 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
4207 if (cArgs == 1)
4208 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType != DBGCVAR_TYPE_STRING
4209 && paArgs[0].enmType != DBGCVAR_TYPE_SYMBOL);
4210
4211 /*
4212 * Check if the command indicates the type.
4213 */
4214 enum { kTss16, kTss32, kTss64, kTssToBeDetermined } enmTssType = kTssToBeDetermined;
4215 if (!strcmp(pCmd->pszCmd, "dt16"))
4216 enmTssType = kTss16;
4217 else if (!strcmp(pCmd->pszCmd, "dt32"))
4218 enmTssType = kTss32;
4219 else if (!strcmp(pCmd->pszCmd, "dt64"))
4220 enmTssType = kTss64;
4221
4222 /*
4223 * We can get a TSS selector (number), a far pointer using a TSS selector, or some kind of TSS pointer.
4224 */
4225 uint32_t SelTss = UINT32_MAX;
4226 DBGCVAR VarTssAddr;
4227 if (cArgs == 0)
4228 {
4229 /** @todo consider querying the hidden bits instead (missing API). */
4230 uint16_t SelTR;
4231 rc = DBGFR3RegCpuQueryU16(pUVM, pDbgc->idCpu, DBGFREG_TR, &SelTR);
4232 if (RT_FAILURE(rc))
4233 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to query TR, rc=%Rrc\n", rc);
4234 DBGCVAR_INIT_GC_FAR(&VarTssAddr, SelTR, 0);
4235 SelTss = SelTR;
4236 }
4237 else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
4238 {
4239 if (paArgs[0].u.u64Number < 0xffff)
4240 DBGCVAR_INIT_GC_FAR(&VarTssAddr, (RTSEL)paArgs[0].u.u64Number, 0);
4241 else
4242 {
4243 if (paArgs[0].enmRangeType == DBGCVAR_RANGE_ELEMENTS)
4244 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Element count doesn't combine with a TSS address.\n");
4245 DBGCVAR_INIT_GC_FLAT(&VarTssAddr, paArgs[0].u.u64Number);
4246 if (paArgs[0].enmRangeType == DBGCVAR_RANGE_BYTES)
4247 {
4248 VarTssAddr.enmRangeType = paArgs[0].enmRangeType;
4249 VarTssAddr.u64Range = paArgs[0].u64Range;
4250 }
4251 }
4252 }
4253 else
4254 VarTssAddr = paArgs[0];
4255
4256 /*
4257 * Deal with TSS:ign by means of the GDT.
4258 */
4259 if (VarTssAddr.enmType == DBGCVAR_TYPE_GC_FAR)
4260 {
4261 SelTss = VarTssAddr.u.GCFar.sel;
4262 DBGFSELINFO SelInfo;
4263 rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, VarTssAddr.u.GCFar.sel, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
4264 if (RT_FAILURE(rc))
4265 return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3SelQueryInfo(,%u,%d,,) -> %Rrc.\n",
4266 pDbgc->idCpu, VarTssAddr.u.GCFar.sel, rc);
4267
4268 if (SelInfo.u.Raw.Gen.u1DescType)
4269 return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (!sys)\n", VarTssAddr.u.GCFar.sel);
4270
4271 switch (SelInfo.u.Raw.Gen.u4Type)
4272 {
4273 case X86_SEL_TYPE_SYS_286_TSS_BUSY:
4274 case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
4275 if (enmTssType == kTssToBeDetermined)
4276 enmTssType = kTss16;
4277 break;
4278
4279 case X86_SEL_TYPE_SYS_386_TSS_BUSY: /* AMD64 too */
4280 case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
4281 if (enmTssType == kTssToBeDetermined)
4282 enmTssType = SelInfo.fFlags & DBGFSELINFO_FLAGS_LONG_MODE ? kTss64 : kTss32;
4283 break;
4284
4285 default:
4286 return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (type=%x)\n",
4287 VarTssAddr.u.GCFar.sel, SelInfo.u.Raw.Gen.u4Type);
4288 }
4289
4290 DBGCVAR_INIT_GC_FLAT(&VarTssAddr, SelInfo.GCPtrBase);
4291 DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, RT_MAX(SelInfo.cbLimit + 1, SelInfo.cbLimit));
4292 }
4293
4294 /*
4295 * Determine the TSS type if none is currently given.
4296 */
4297 if (enmTssType == kTssToBeDetermined)
4298 {
4299 if ( VarTssAddr.u64Range > 0
4300 && VarTssAddr.u64Range < sizeof(X86TSS32) - 4)
4301 enmTssType = kTss16;
4302 else
4303 {
4304 uint64_t uEfer;
4305 rc = DBGFR3RegCpuQueryU64(pUVM, pDbgc->idCpu, DBGFREG_MSR_K6_EFER, &uEfer);
4306 if ( RT_FAILURE(rc)
4307 || !(uEfer & MSR_K6_EFER_LMA) )
4308 enmTssType = kTss32;
4309 else
4310 enmTssType = kTss64;
4311 }
4312 }
4313
4314 /*
4315 * Figure the min/max sizes.
4316 * ASSUMES max TSS size is 64 KB.
4317 */
4318 uint32_t cbTssMin;
4319 uint32_t cbTssMax;
4320 switch (enmTssType)
4321 {
4322 case kTss16:
4323 cbTssMin = cbTssMax = X86_SEL_TYPE_SYS_286_TSS_LIMIT_MIN + 1;
4324 break;
4325 case kTss32:
4326 cbTssMin = X86_SEL_TYPE_SYS_386_TSS_LIMIT_MIN + 1;
4327 cbTssMax = _64K;
4328 break;
4329 case kTss64:
4330 cbTssMin = X86_SEL_TYPE_SYS_386_TSS_LIMIT_MIN + 1;
4331 cbTssMax = _64K;
4332 break;
4333 default:
4334 AssertFailedReturn(VERR_INTERNAL_ERROR);
4335 }
4336 uint32_t cbTss = VarTssAddr.enmRangeType == DBGCVAR_RANGE_BYTES ? (uint32_t)VarTssAddr.u64Range : 0;
4337 if (cbTss == 0)
4338 cbTss = cbTssMin;
4339 else if (cbTss < cbTssMin)
4340 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Minimum TSS size is %u bytes, you specified %llu (%llx) bytes.\n",
4341 cbTssMin, VarTssAddr.u64Range, VarTssAddr.u64Range);
4342 else if (cbTss > cbTssMax)
4343 cbTss = cbTssMax;
4344 DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, cbTss);
4345
4346 /*
4347 * Read the TSS into a temporary buffer.
4348 */
4349 uint8_t abBuf[_64K];
4350 size_t cbTssRead;
4351 rc = DBGCCmdHlpMemRead(pCmdHlp, abBuf, cbTss, &VarTssAddr, &cbTssRead);
4352 if (RT_FAILURE(rc))
4353 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read TSS at %Dv: %Rrc\n", &VarTssAddr, rc);
4354 if (cbTssRead < cbTssMin)
4355 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read essential parts of the TSS (read %zu, min %zu).\n",
4356 cbTssRead, cbTssMin);
4357 if (cbTssRead < cbTss)
4358 memset(&abBuf[cbTssRead], 0xff, cbTss - cbTssRead);
4359
4360
4361 /*
4362 * Format the TSS.
4363 */
4364 uint16_t offIoBitmap;
4365 switch (enmTssType)
4366 {
4367 case kTss16:
4368 {
4369 PCX86TSS16 pTss = (PCX86TSS16)&abBuf[0];
4370 if (SelTss != UINT32_MAX)
4371 DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS16 at %Dv\n", SelTss, &VarTssAddr);
4372 else
4373 DBGCCmdHlpPrintf(pCmdHlp, "TSS16 at %Dv\n", &VarTssAddr);
4374 DBGCCmdHlpPrintf(pCmdHlp,
4375 "ax=%04x bx=%04x cx=%04x dx=%04x si=%04x di=%04x\n"
4376 "ip=%04x sp=%04x bp=%04x\n"
4377 "cs=%04x ss=%04x ds=%04x es=%04x flags=%04x\n"
4378 "ss:sp0=%04x:%04x ss:sp1=%04x:%04x ss:sp2=%04x:%04x\n"
4379 "prev=%04x ldtr=%04x\n"
4380 ,
4381 pTss->ax, pTss->bx, pTss->cx, pTss->dx, pTss->si, pTss->di,
4382 pTss->ip, pTss->sp, pTss->bp,
4383 pTss->cs, pTss->ss, pTss->ds, pTss->es, pTss->flags,
4384 pTss->ss0, pTss->sp0, pTss->ss1, pTss->sp1, pTss->ss2, pTss->sp2,
4385 pTss->selPrev, pTss->selLdt);
4386 if (pTss->cs != 0)
4387 pCmdHlp->pfnExec(pCmdHlp, "u %04x:%04x L 0", pTss->cs, pTss->ip);
4388 offIoBitmap = 0;
4389 break;
4390 }
4391
4392 case kTss32:
4393 {
4394 PCX86TSS32 pTss = (PCX86TSS32)&abBuf[0];
4395 if (SelTss != UINT32_MAX)
4396 DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS32 at %Dv (min=%04x)\n", SelTss, &VarTssAddr, cbTssMin);
4397 else
4398 DBGCCmdHlpPrintf(pCmdHlp, "TSS32 at %Dv (min=%04x)\n", &VarTssAddr, cbTssMin);
4399 DBGCCmdHlpPrintf(pCmdHlp,
4400 "eax=%08x ebx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x\n"
4401 "eip=%08x esp=%08x ebp=%08x\n"
4402 "cs=%04x ss=%04x ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n"
4403 "ss:esp0=%04x:%08x ss:esp1=%04x:%08x ss:esp2=%04x:%08x\n"
4404 "prev=%04x ldtr=%04x cr3=%08x debug=%u iomap=%04x\n"
4405 ,
4406 pTss->eax, pTss->ebx, pTss->ecx, pTss->edx, pTss->esi, pTss->edi,
4407 pTss->eip, pTss->esp, pTss->ebp,
4408 pTss->cs, pTss->ss, pTss->ds, pTss->es, pTss->fs, pTss->gs, pTss->eflags,
4409 pTss->ss0, pTss->esp0, pTss->ss1, pTss->esp1, pTss->ss2, pTss->esp2,
4410 pTss->selPrev, pTss->selLdt, pTss->cr3, pTss->fDebugTrap, pTss->offIoBitmap);
4411 if (pTss->cs != 0)
4412 pCmdHlp->pfnExec(pCmdHlp, "u %04x:%08x L 0", pTss->cs, pTss->eip);
4413 offIoBitmap = pTss->offIoBitmap;
4414 break;
4415 }
4416
4417 case kTss64:
4418 {
4419 PCX86TSS64 pTss = (PCX86TSS64)&abBuf[0];
4420 if (SelTss != UINT32_MAX)
4421 DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS64 at %Dv (min=%04x)\n", SelTss, &VarTssAddr, cbTssMin);
4422 else
4423 DBGCCmdHlpPrintf(pCmdHlp, "TSS64 at %Dv (min=%04x)\n", &VarTssAddr, cbTssMin);
4424 DBGCCmdHlpPrintf(pCmdHlp,
4425 "rsp0=%016RX64 rsp1=%016RX64 rsp2=%016RX64\n"
4426 "ist1=%016RX64 ist2=%016RX64\n"
4427 "ist3=%016RX64 ist4=%016RX64\n"
4428 "ist5=%016RX64 ist6=%016RX64\n"
4429 "ist7=%016RX64 iomap=%04x\n"
4430 ,
4431 pTss->rsp0, pTss->rsp1, pTss->rsp2,
4432 pTss->ist1, pTss->ist2,
4433 pTss->ist3, pTss->ist4,
4434 pTss->ist5, pTss->ist6,
4435 pTss->ist7, pTss->offIoBitmap);
4436 offIoBitmap = pTss->offIoBitmap;
4437 break;
4438 }
4439
4440 default:
4441 AssertFailedReturn(VERR_INTERNAL_ERROR);
4442 }
4443
4444 /*
4445 * Dump the interrupt redirection bitmap.
4446 */
4447 if (enmTssType != kTss16)
4448 {
4449 if ( offIoBitmap > cbTssMin
4450 && offIoBitmap < cbTss) /** @todo check exactly what the edge cases are here. */
4451 {
4452 if (offIoBitmap - cbTssMin >= 32)
4453 {
4454 DBGCCmdHlpPrintf(pCmdHlp, "Interrupt redirection:\n");
4455 uint8_t const *pbIntRedirBitmap = &abBuf[offIoBitmap - 32];
4456 uint32_t iStart = 0;
4457 bool fPrev = ASMBitTest(pbIntRedirBitmap, 0); /* LE/BE issue */
4458 for (uint32_t i = 0; i < 256; i++)
4459 {
4460 bool fThis = ASMBitTest(pbIntRedirBitmap, i);
4461 if (fThis != fPrev)
4462 {
4463 DBGCCmdHlpPrintf(pCmdHlp, "%02x-%02x %s\n", iStart, i - 1, fPrev ? "Protected mode" : "Redirected");
4464 fPrev = fThis;
4465 iStart = i;
4466 }
4467 }
4468 if (iStart != 255)
4469 DBGCCmdHlpPrintf(pCmdHlp, "%02x-%02x %s\n", iStart, 255, fPrev ? "Protected mode" : "Redirected");
4470 }
4471 else
4472 DBGCCmdHlpPrintf(pCmdHlp, "Invalid interrupt redirection bitmap size: %u (%#x), expected 32 bytes.\n",
4473 offIoBitmap - cbTssMin, offIoBitmap - cbTssMin);
4474 }
4475 else if (offIoBitmap > 0)
4476 DBGCCmdHlpPrintf(pCmdHlp, "No interrupt redirection bitmap (-%#x)\n", cbTssMin - offIoBitmap);
4477 else
4478 DBGCCmdHlpPrintf(pCmdHlp, "No interrupt redirection bitmap\n");
4479 }
4480
4481 /*
4482 * Dump the I/O permission bitmap if present. The IOPM cannot start below offset 0x64
4483 * (that applies to both 32-bit and 64-bit TSSs since their size is the same).
4484 */
4485 if (enmTssType != kTss16)
4486 {
4487 if (offIoBitmap < cbTss && offIoBitmap >= 0x64)
4488 {
4489 uint32_t cPorts = RT_MIN((cbTss - offIoBitmap) * 8, _64K);
4490 DBGCVAR VarAddr;
4491 DBGCCmdHlpEval(pCmdHlp, &VarAddr, "%DV + %#x", &VarTssAddr, offIoBitmap);
4492 DBGCCmdHlpPrintf(pCmdHlp, "I/O bitmap at %DV - %#x ports:\n", &VarAddr, cPorts);
4493
4494 uint8_t const *pbIoBitmap = &abBuf[offIoBitmap];
4495 uint32_t iStart = 0;
4496 bool fPrev = ASMBitTest(pbIoBitmap, 0);
4497 uint32_t cLine = 0;
4498 for (uint32_t i = 1; i < cPorts; i++)
4499 {
4500 bool fThis = ASMBitTest(pbIoBitmap, i);
4501 if (fThis != fPrev)
4502 {
4503 cLine++;
4504 DBGCCmdHlpPrintf(pCmdHlp, "%04x-%04x %s%s", iStart, i-1,
4505 fPrev ? "GP" : "OK", (cLine % 6) == 0 ? "\n" : " ");
4506 fPrev = fThis;
4507 iStart = i;
4508 }
4509 }
4510 if (iStart != _64K-1)
4511 DBGCCmdHlpPrintf(pCmdHlp, "%04x-%04x %s\n", iStart, _64K-1, fPrev ? "GP" : "OK");
4512 }
4513 else if (offIoBitmap > 0)
4514 DBGCCmdHlpPrintf(pCmdHlp, "No I/O bitmap (-%#x)\n", cbTssMin - offIoBitmap);
4515 else
4516 DBGCCmdHlpPrintf(pCmdHlp, "No I/O bitmap\n");
4517 }
4518
4519 return VINF_SUCCESS;
4520}
4521
4522
4523/**
4524 * @callback_method_impl{FNDBGFR3TYPEDUMP, The 'dti' command dumper callback.}
4525 */
4526static DECLCALLBACK(int) dbgcCmdDumpTypeInfoCallback(uint32_t off, const char *pszField, uint32_t iLvl,
4527 const char *pszType, uint32_t fTypeFlags,
4528 uint32_t cElements, void *pvUser)
4529{
4530 PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
4531
4532 /* Pad with spaces to match the level. */
4533 for (uint32_t i = 0; i < iLvl; i++)
4534 DBGCCmdHlpPrintf(pCmdHlp, " ");
4535
4536 size_t cbWritten = 0;
4537 DBGCCmdHlpPrintfEx(pCmdHlp, &cbWritten, "+0x%04x %s", off, pszField);
4538 while (cbWritten < 32)
4539 {
4540 /* Fill with spaces to get proper aligning. */
4541 DBGCCmdHlpPrintf(pCmdHlp, " ");
4542 cbWritten++;
4543 }
4544
4545 DBGCCmdHlpPrintf(pCmdHlp, ": ");
4546 if (fTypeFlags & DBGFTYPEREGMEMBER_F_ARRAY)
4547 DBGCCmdHlpPrintf(pCmdHlp, "[%u] ", cElements);
4548 if (fTypeFlags & DBGFTYPEREGMEMBER_F_POINTER)
4549 DBGCCmdHlpPrintf(pCmdHlp, "Ptr ");
4550 DBGCCmdHlpPrintf(pCmdHlp, "%s\n", pszType);
4551
4552 return VINF_SUCCESS;
4553}
4554
4555
4556/**
4557 * @callback_method_impl{FNDBGCCMD, The 'dti' command.}
4558 */
4559static DECLCALLBACK(int) dbgcCmdDumpTypeInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4560{
4561 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4562 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 || cArgs == 2);
4563 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING);
4564 if (cArgs == 2)
4565 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[1].enmType == DBGCVAR_TYPE_NUMBER);
4566
4567 uint32_t cLvlMax = cArgs == 2 ? (uint32_t)paArgs[1].u.u64Number : UINT32_MAX;
4568 return DBGFR3TypeDumpEx(pUVM, paArgs[0].u.pszString, 0 /* fFlags */, cLvlMax,
4569 dbgcCmdDumpTypeInfoCallback, pCmdHlp);
4570}
4571
4572
4573static void dbgcCmdDumpTypedValCallbackBuiltin(PDBGCCMDHLP pCmdHlp, DBGFTYPEBUILTIN enmType, size_t cbType,
4574 PDBGFTYPEVALBUF pValBuf)
4575{
4576 switch (enmType)
4577 {
4578 case DBGFTYPEBUILTIN_UINT8:
4579 DBGCCmdHlpPrintf(pCmdHlp, "%RU8", pValBuf->u8);
4580 break;
4581 case DBGFTYPEBUILTIN_INT8:
4582 DBGCCmdHlpPrintf(pCmdHlp, "%RI8", pValBuf->i8);
4583 break;
4584 case DBGFTYPEBUILTIN_UINT16:
4585 DBGCCmdHlpPrintf(pCmdHlp, "%RU16", pValBuf->u16);
4586 break;
4587 case DBGFTYPEBUILTIN_INT16:
4588 DBGCCmdHlpPrintf(pCmdHlp, "%RI16", pValBuf->i16);
4589 break;
4590 case DBGFTYPEBUILTIN_UINT32:
4591 DBGCCmdHlpPrintf(pCmdHlp, "%RU32", pValBuf->u32);
4592 break;
4593 case DBGFTYPEBUILTIN_INT32:
4594 DBGCCmdHlpPrintf(pCmdHlp, "%RI32", pValBuf->i32);
4595 break;
4596 case DBGFTYPEBUILTIN_UINT64:
4597 DBGCCmdHlpPrintf(pCmdHlp, "%RU64", pValBuf->u64);
4598 break;
4599 case DBGFTYPEBUILTIN_INT64:
4600 DBGCCmdHlpPrintf(pCmdHlp, "%RI64", pValBuf->i64);
4601 break;
4602 case DBGFTYPEBUILTIN_PTR32:
4603 DBGCCmdHlpPrintf(pCmdHlp, "%RX32", pValBuf->GCPtr);
4604 break;
4605 case DBGFTYPEBUILTIN_PTR64:
4606 DBGCCmdHlpPrintf(pCmdHlp, "%RX64", pValBuf->GCPtr);
4607 break;
4608 case DBGFTYPEBUILTIN_PTR:
4609 if (cbType == sizeof(uint32_t))
4610 DBGCCmdHlpPrintf(pCmdHlp, "%RX32", pValBuf->GCPtr);
4611 else if (cbType == sizeof(uint64_t))
4612 DBGCCmdHlpPrintf(pCmdHlp, "%RX64", pValBuf->GCPtr);
4613 else
4614 DBGCCmdHlpPrintf(pCmdHlp, "<Unsupported pointer width %u>", cbType);
4615 break;
4616 case DBGFTYPEBUILTIN_SIZE:
4617 if (cbType == sizeof(uint32_t))
4618 DBGCCmdHlpPrintf(pCmdHlp, "%RU32", pValBuf->size);
4619 else if (cbType == sizeof(uint64_t))
4620 DBGCCmdHlpPrintf(pCmdHlp, "%RU64", pValBuf->size);
4621 else
4622 DBGCCmdHlpPrintf(pCmdHlp, "<Unsupported size width %u>", cbType);
4623 break;
4624 case DBGFTYPEBUILTIN_FLOAT32:
4625 case DBGFTYPEBUILTIN_FLOAT64:
4626 case DBGFTYPEBUILTIN_COMPOUND:
4627 default:
4628 AssertMsgFailed(("Invalid built-in type: %d\n", enmType));
4629 }
4630}
4631
4632/**
4633 * @callback_method_impl{FNDBGFR3TYPEDUMP, The 'dtv' command dumper callback.}
4634 */
4635static DECLCALLBACK(int) dbgcCmdDumpTypedValCallback(uint32_t off, const char *pszField, uint32_t iLvl,
4636 DBGFTYPEBUILTIN enmType, size_t cbType,
4637 PDBGFTYPEVALBUF pValBuf, uint32_t cValBufs,
4638 void *pvUser)
4639{
4640 PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP)pvUser;
4641
4642 /* Pad with spaces to match the level. */
4643 for (uint32_t i = 0; i < iLvl; i++)
4644 DBGCCmdHlpPrintf(pCmdHlp, " ");
4645
4646 size_t cbWritten = 0;
4647 DBGCCmdHlpPrintfEx(pCmdHlp, &cbWritten, "+0x%04x %s", off, pszField);
4648 while (cbWritten < 32)
4649 {
4650 /* Fill with spaces to get proper aligning. */
4651 DBGCCmdHlpPrintf(pCmdHlp, " ");
4652 cbWritten++;
4653 }
4654
4655 DBGCCmdHlpPrintf(pCmdHlp, ": ");
4656 if (cValBufs > 1)
4657 DBGCCmdHlpPrintf(pCmdHlp, "[%u] [ ", cValBufs);
4658
4659 for (uint32_t i = 0; i < cValBufs; i++)
4660 {
4661 dbgcCmdDumpTypedValCallbackBuiltin(pCmdHlp, enmType, cbType, pValBuf);
4662 if (i < cValBufs - 1)
4663 DBGCCmdHlpPrintf(pCmdHlp, " , ");
4664 pValBuf++;
4665 }
4666
4667 if (cValBufs > 1)
4668 DBGCCmdHlpPrintf(pCmdHlp, " ]");
4669 DBGCCmdHlpPrintf(pCmdHlp, "\n");
4670
4671 return VINF_SUCCESS;
4672}
4673
4674
4675/**
4676 * @callback_method_impl{FNDBGCCMD, The 'dtv' command.}
4677 */
4678static DECLCALLBACK(int) dbgcCmdDumpTypedVal(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4679{
4680 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4681 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 2 || cArgs == 3);
4682 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING);
4683 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISGCPOINTER(paArgs[1].enmType));
4684 if (cArgs == 3)
4685 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[2].enmType == DBGCVAR_TYPE_NUMBER);
4686
4687 /*
4688 * Make DBGF address and fix the range.
4689 */
4690 DBGFADDRESS Address;
4691 int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[1], &Address);
4692 if (RT_FAILURE(rc))
4693 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", &paArgs[1]);
4694
4695 uint32_t cLvlMax = cArgs == 3 ? (uint32_t)paArgs[2].u.u64Number : UINT32_MAX;
4696 return DBGFR3TypeValDumpEx(pUVM, &Address, paArgs[0].u.pszString, 0 /* fFlags */, cLvlMax,
4697 dbgcCmdDumpTypedValCallback, pCmdHlp);
4698}
4699
4700/**
4701 * @callback_method_impl{FNDBGCCMD, The 'm' command.}
4702 */
4703static DECLCALLBACK(int) dbgcCmdMemoryInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4704{
4705 DBGCCmdHlpPrintf(pCmdHlp, "Address: %DV\n", &paArgs[0]);
4706 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4707 return dbgcCmdDumpPageHierarchy(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
4708}
4709
4710
4711/**
4712 * Converts one or more variables into a byte buffer for a
4713 * given unit size.
4714 *
4715 * @returns VBox status codes:
4716 * @retval VERR_TOO_MUCH_DATA if the buffer is too small, bitched.
4717 * @retval VERR_INTERNAL_ERROR on bad variable type, bitched.
4718 * @retval VINF_SUCCESS on success.
4719 *
4720 * @param pCmdHlp The command helper callback table.
4721 * @param pvBuf The buffer to convert into.
4722 * @param pcbBuf The buffer size on input. The size of the result on output.
4723 * @param cbUnit The unit size to apply when converting.
4724 * The high bit is used to indicate unicode string.
4725 * @param paVars The array of variables to convert.
4726 * @param cVars The number of variables.
4727 */
4728int dbgcVarsToBytes(PDBGCCMDHLP pCmdHlp, void *pvBuf, uint32_t *pcbBuf, size_t cbUnit, PCDBGCVAR paVars, unsigned cVars)
4729{
4730 union
4731 {
4732 uint8_t *pu8;
4733 uint16_t *pu16;
4734 uint32_t *pu32;
4735 uint64_t *pu64;
4736 } u, uEnd;
4737 u.pu8 = (uint8_t *)pvBuf;
4738 uEnd.pu8 = u.pu8 + *pcbBuf;
4739
4740 unsigned i;
4741 for (i = 0; i < cVars && u.pu8 < uEnd.pu8; i++)
4742 {
4743 switch (paVars[i].enmType)
4744 {
4745 case DBGCVAR_TYPE_GC_FAR:
4746 case DBGCVAR_TYPE_GC_FLAT:
4747 case DBGCVAR_TYPE_GC_PHYS:
4748 case DBGCVAR_TYPE_HC_FLAT:
4749 case DBGCVAR_TYPE_HC_PHYS:
4750 case DBGCVAR_TYPE_NUMBER:
4751 {
4752 uint64_t u64 = paVars[i].u.u64Number;
4753 switch (cbUnit & 0x1f)
4754 {
4755 case 1:
4756 do
4757 {
4758 *u.pu8++ = u64;
4759 u64 >>= 8;
4760 } while (u64);
4761 break;
4762 case 2:
4763 do
4764 {
4765 *u.pu16++ = u64;
4766 u64 >>= 16;
4767 } while (u64);
4768 break;
4769 case 4:
4770 *u.pu32++ = u64;
4771 u64 >>= 32;
4772 if (u64)
4773 *u.pu32++ = u64;
4774 break;
4775 case 8:
4776 *u.pu64++ = u64;
4777 break;
4778 }
4779 break;
4780 }
4781
4782 case DBGCVAR_TYPE_STRING:
4783 case DBGCVAR_TYPE_SYMBOL:
4784 {
4785 const char *psz = paVars[i].u.pszString;
4786 size_t cbString = strlen(psz);
4787 if (cbUnit & RT_BIT_32(31))
4788 {
4789 /* Explode char to unit. */
4790 if (cbString > (uintptr_t)(uEnd.pu8 - u.pu8) * (cbUnit & 0x1f))
4791 {
4792 pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
4793 return VERR_TOO_MUCH_DATA;
4794 }
4795 while (*psz)
4796 {
4797 switch (cbUnit & 0x1f)
4798 {
4799 case 1: *u.pu8++ = *psz; break;
4800 case 2: *u.pu16++ = *psz; break;
4801 case 4: *u.pu32++ = *psz; break;
4802 case 8: *u.pu64++ = *psz; break;
4803 }
4804 psz++;
4805 }
4806 }
4807 else
4808 {
4809 /* Raw copy with zero padding if the size isn't aligned. */
4810 if (cbString > (uintptr_t)(uEnd.pu8 - u.pu8))
4811 {
4812 pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
4813 return VERR_TOO_MUCH_DATA;
4814 }
4815
4816 size_t cbCopy = cbString & ~(cbUnit - 1);
4817 memcpy(u.pu8, psz, cbCopy);
4818 u.pu8 += cbCopy;
4819 psz += cbCopy;
4820
4821 size_t cbReminder = cbString & (cbUnit - 1);
4822 if (cbReminder)
4823 {
4824 memcpy(u.pu8, psz, cbString & (cbUnit - 1));
4825 memset(u.pu8 + cbReminder, 0, cbUnit - cbReminder);
4826 u.pu8 += cbUnit;
4827 }
4828 }
4829 break;
4830 }
4831
4832 default:
4833 *pcbBuf = u.pu8 - (uint8_t *)pvBuf;
4834 pCmdHlp->pfnVBoxError(pCmdHlp, VERR_INTERNAL_ERROR,
4835 "i=%d enmType=%d\n", i, paVars[i].enmType);
4836 return VERR_INTERNAL_ERROR;
4837 }
4838 }
4839 *pcbBuf = u.pu8 - (uint8_t *)pvBuf;
4840 if (i != cVars)
4841 {
4842 pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
4843 return VERR_TOO_MUCH_DATA;
4844 }
4845 return VINF_SUCCESS;
4846}
4847
4848
4849/**
4850 * @callback_method_impl{FNDBGCCMD, The 'eb'\, 'ew'\, 'ed' and 'eq' commands.}
4851 */
4852static DECLCALLBACK(int) dbgcCmdEditMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4853{
4854 /*
4855 * Validate input.
4856 */
4857 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs >= 2);
4858 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
4859 for (unsigned iArg = 1; iArg < cArgs; iArg++)
4860 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER);
4861 DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
4862
4863 /*
4864 * Figure out the element size.
4865 */
4866 unsigned cbElement;
4867 switch (pCmd->pszCmd[1])
4868 {
4869 default:
4870 case 'b': cbElement = 1; break;
4871 case 'w': cbElement = 2; break;
4872 case 'd': cbElement = 4; break;
4873 case 'q': cbElement = 8; break;
4874 }
4875
4876 /*
4877 * Do setting.
4878 */
4879 DBGCVAR Addr = paArgs[0];
4880 for (unsigned iArg = 1;;)
4881 {
4882 size_t cbWritten;
4883 int rc = pCmdHlp->pfnMemWrite(pCmdHlp, &paArgs[iArg].u, cbElement, &Addr, &cbWritten);
4884 if (RT_FAILURE(rc))
4885 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Writing memory at %DV.\n", &Addr);
4886 if (cbWritten != cbElement)
4887 return DBGCCmdHlpFail(pCmdHlp, pCmd, "Only wrote %u out of %u bytes!\n", cbWritten, cbElement);
4888
4889 /* advance. */
4890 iArg++;
4891 if (iArg >= cArgs)
4892 break;
4893 rc = DBGCCmdHlpEval(pCmdHlp, &Addr, "%Dv + %#x", &Addr, cbElement);
4894 if (RT_FAILURE(rc))
4895 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
4896 }
4897
4898 return VINF_SUCCESS;
4899}
4900
4901
4902/**
4903 * Executes the search.
4904 *
4905 * @returns VBox status code.
4906 * @param pCmdHlp The command helpers.
4907 * @param pUVM The user mode VM handle.
4908 * @param pAddress The address to start searching from. (undefined on output)
4909 * @param cbRange The address range to search. Must not wrap.
4910 * @param pabBytes The byte pattern to search for.
4911 * @param cbBytes The size of the pattern.
4912 * @param cbUnit The search unit.
4913 * @param cMaxHits The max number of hits.
4914 * @param pResult Where to store the result if it's a function invocation.
4915 */
4916static int dbgcCmdWorkerSearchMemDoIt(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGFADDRESS pAddress, RTGCUINTPTR cbRange,
4917 const uint8_t *pabBytes, uint32_t cbBytes,
4918 uint32_t cbUnit, uint64_t cMaxHits, PDBGCVAR pResult)
4919{
4920 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4921
4922 /*
4923 * Do the search.
4924 */
4925 uint64_t cHits = 0;
4926 for (;;)
4927 {
4928 /* search */
4929 DBGFADDRESS HitAddress;
4930 int rc = DBGFR3MemScan(pUVM, pDbgc->idCpu, pAddress, cbRange, 1, pabBytes, cbBytes, &HitAddress);
4931 if (RT_FAILURE(rc))
4932 {
4933 if (rc != VERR_DBGF_MEM_NOT_FOUND)
4934 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3MemScan\n");
4935
4936 /* update the current address so we can save it (later). */
4937 pAddress->off += cbRange;
4938 pAddress->FlatPtr += cbRange;
4939 cbRange = 0;
4940 break;
4941 }
4942
4943 /* report result */
4944 DBGCVAR VarCur;
4945 rc = DBGCCmdHlpVarFromDbgfAddr(pCmdHlp, &HitAddress, &VarCur);
4946 if (RT_FAILURE(rc))
4947 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGCCmdHlpVarFromDbgfAddr\n");
4948 if (!pResult)
4949 pCmdHlp->pfnExec(pCmdHlp, "db %DV LB 10", &VarCur);
4950 else
4951 DBGCVAR_ASSIGN(pResult, &VarCur);
4952
4953 /* advance */
4954 cbRange -= HitAddress.FlatPtr - pAddress->FlatPtr;
4955 *pAddress = HitAddress;
4956 pAddress->FlatPtr += cbBytes;
4957 pAddress->off += cbBytes;
4958 if (cbRange <= cbBytes)
4959 {
4960 cbRange = 0;
4961 break;
4962 }
4963 cbRange -= cbBytes;
4964
4965 if (++cHits >= cMaxHits)
4966 {
4967 /// @todo save the search.
4968 break;
4969 }
4970 }
4971
4972 /*
4973 * Save the search so we can resume it...
4974 */
4975 if (pDbgc->abSearch != pabBytes)
4976 {
4977 memcpy(pDbgc->abSearch, pabBytes, cbBytes);
4978 pDbgc->cbSearch = cbBytes;
4979 pDbgc->cbSearchUnit = cbUnit;
4980 }
4981 pDbgc->cMaxSearchHits = cMaxHits;
4982 pDbgc->SearchAddr = *pAddress;
4983 pDbgc->cbSearchRange = cbRange;
4984
4985 return cHits ? VINF_SUCCESS : VERR_DBGC_COMMAND_FAILED;
4986}
4987
4988
4989/**
4990 * Resumes the previous search.
4991 *
4992 * @returns VBox status code.
4993 * @param pCmdHlp Pointer to the command helper functions.
4994 * @param pUVM The user mode VM handle.
4995 * @param pResult Where to store the result of a function invocation.
4996 */
4997static int dbgcCmdWorkerSearchMemResume(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGCVAR pResult)
4998{
4999 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5000
5001 /*
5002 * Make sure there is a previous command.
5003 */
5004 if (!pDbgc->cbSearch)
5005 {
5006 DBGCCmdHlpPrintf(pCmdHlp, "Error: No previous search\n");
5007 return VERR_DBGC_COMMAND_FAILED;
5008 }
5009
5010 /*
5011 * Make range and address adjustments.
5012 */
5013 DBGFADDRESS Address = pDbgc->SearchAddr;
5014 if (Address.FlatPtr == ~(RTGCUINTPTR)0)
5015 {
5016 Address.FlatPtr -= Address.off;
5017 Address.off = 0;
5018 }
5019
5020 RTGCUINTPTR cbRange = pDbgc->cbSearchRange;
5021 if (!cbRange)
5022 cbRange = ~(RTGCUINTPTR)0;
5023 if (Address.FlatPtr + cbRange < pDbgc->SearchAddr.FlatPtr)
5024 cbRange = ~(RTGCUINTPTR)0 - pDbgc->SearchAddr.FlatPtr + !!pDbgc->SearchAddr.FlatPtr;
5025
5026 return dbgcCmdWorkerSearchMemDoIt(pCmdHlp, pUVM, &Address, cbRange, pDbgc->abSearch, pDbgc->cbSearch,
5027 pDbgc->cbSearchUnit, pDbgc->cMaxSearchHits, pResult);
5028}
5029
5030
5031/**
5032 * Search memory, worker for the 's' and 's?' functions.
5033 *
5034 * @returns VBox status code.
5035 * @param pCmdHlp Pointer to the command helper functions.
5036 * @param pUVM The user mode VM handle.
5037 * @param pAddress Where to start searching. If no range, search till end of address space.
5038 * @param cMaxHits The maximum number of hits.
5039 * @param chType The search type.
5040 * @param paPatArgs The pattern variable array.
5041 * @param cPatArgs Number of pattern variables.
5042 * @param pResult Where to store the result of a function invocation.
5043 */
5044static int dbgcCmdWorkerSearchMem(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR pAddress, uint64_t cMaxHits, char chType,
5045 PCDBGCVAR paPatArgs, unsigned cPatArgs, PDBGCVAR pResult)
5046{
5047 if (pResult)
5048 DBGCVAR_INIT_GC_FLAT(pResult, 0);
5049
5050 /*
5051 * Convert the search pattern into bytes and DBGFR3MemScan can deal with.
5052 */
5053 uint32_t cbUnit;
5054 switch (chType)
5055 {
5056 case 'a':
5057 case 'b': cbUnit = 1; break;
5058 case 'u': cbUnit = 2 | RT_BIT_32(31); break;
5059 case 'w': cbUnit = 2; break;
5060 case 'd': cbUnit = 4; break;
5061 case 'q': cbUnit = 8; break;
5062 default:
5063 return pCmdHlp->pfnVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "chType=%c\n", chType);
5064 }
5065 uint8_t abBytes[RT_SIZEOFMEMB(DBGC, abSearch)];
5066 uint32_t cbBytes = sizeof(abBytes);
5067 int rc = dbgcVarsToBytes(pCmdHlp, abBytes, &cbBytes, cbUnit, paPatArgs, cPatArgs);
5068 if (RT_FAILURE(rc))
5069 return VERR_DBGC_COMMAND_FAILED;
5070
5071 /*
5072 * Make DBGF address and fix the range.
5073 */
5074 DBGFADDRESS Address;
5075 rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, pAddress, &Address);
5076 if (RT_FAILURE(rc))
5077 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", pAddress);
5078
5079 RTGCUINTPTR cbRange;
5080 switch (pAddress->enmRangeType)
5081 {
5082 case DBGCVAR_RANGE_BYTES:
5083 cbRange = pAddress->u64Range;
5084 if (cbRange != pAddress->u64Range)
5085 cbRange = ~(RTGCUINTPTR)0;
5086 break;
5087
5088 case DBGCVAR_RANGE_ELEMENTS:
5089 cbRange = (RTGCUINTPTR)(pAddress->u64Range * cbUnit);
5090 if ( cbRange != pAddress->u64Range * cbUnit
5091 || cbRange < pAddress->u64Range)
5092 cbRange = ~(RTGCUINTPTR)0;
5093 break;
5094
5095 default:
5096 cbRange = ~(RTGCUINTPTR)0;
5097 break;
5098 }
5099 if (Address.FlatPtr + cbRange < Address.FlatPtr)
5100 cbRange = ~(RTGCUINTPTR)0 - Address.FlatPtr + !!Address.FlatPtr;
5101
5102 /*
5103 * Ok, do it.
5104 */
5105 return dbgcCmdWorkerSearchMemDoIt(pCmdHlp, pUVM, &Address, cbRange, abBytes, cbBytes, cbUnit, cMaxHits, pResult);
5106}
5107
5108
5109/**
5110 * @callback_method_impl{FNDBGCCMD, The 's' command.}
5111 */
5112static DECLCALLBACK(int) dbgcCmdSearchMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5113{
5114 RT_NOREF2(pCmd, paArgs);
5115
5116 /* check that the parser did what it's supposed to do. */
5117 //if ( cArgs <= 2
5118 // && paArgs[0].enmType != DBGCVAR_TYPE_STRING)
5119 // return DBGCCmdHlpPrintf(pCmdHlp, "parser error\n");
5120
5121 /*
5122 * Repeat previous search?
5123 */
5124 if (cArgs == 0)
5125 return dbgcCmdWorkerSearchMemResume(pCmdHlp, pUVM, NULL);
5126
5127 /*
5128 * Parse arguments.
5129 */
5130
5131 return -1;
5132}
5133
5134
5135/**
5136 * @callback_method_impl{FNDBGCCMD, The 's?' command.}
5137 */
5138static DECLCALLBACK(int) dbgcCmdSearchMemType(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5139{
5140 /* check that the parser did what it's supposed to do. */
5141 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs >= 2 && DBGCVAR_ISGCPOINTER(paArgs[0].enmType));
5142 return dbgcCmdWorkerSearchMem(pCmdHlp, pUVM, &paArgs[0], 25, pCmd->pszCmd[1], paArgs + 1, cArgs - 1, NULL);
5143}
5144
5145
5146/**
5147 * Matching function for interrupts event names.
5148 *
5149 * This parses the interrupt number and length.
5150 *
5151 * @returns True if match, false if not.
5152 * @param pPattern The user specified pattern to match.
5153 * @param pszEvtName The event name.
5154 * @param pCmdHlp Command helpers for warning about malformed stuff.
5155 * @param piFirst Where to return start interrupt number on success.
5156 * @param pcInts Where to return the number of interrupts on success.
5157 */
5158static bool dbgcEventIsMatchingInt(PCDBGCVAR pPattern, const char *pszEvtName, PDBGCCMDHLP pCmdHlp,
5159 uint8_t *piFirst, uint16_t *pcInts)
5160{
5161 /*
5162 * Ignore trailing hex digits when comparing with the event base name.
5163 */
5164 const char *pszPattern = pPattern->u.pszString;
5165 const char *pszEnd = RTStrEnd(pszPattern, RTSTR_MAX);
5166 while ( (uintptr_t)pszEnd > (uintptr_t)pszPattern
5167 && RT_C_IS_XDIGIT(pszEnd[-1]))
5168 pszEnd -= 1;
5169 if (RTStrSimplePatternNMatch(pszPattern, pszEnd - pszPattern, pszEvtName, RTSTR_MAX))
5170 {
5171 /*
5172 * Parse the index and length.
5173 */
5174 if (!*pszEnd)
5175 *piFirst = 0;
5176 else
5177 {
5178 int rc = RTStrToUInt8Full(pszEnd, 16, piFirst);
5179 if (rc != VINF_SUCCESS)
5180 {
5181 if (RT_FAILURE(rc))
5182 *piFirst = 0;
5183 DBGCCmdHlpPrintf(pCmdHlp, "Warning: %Rrc parsing '%s' - interpreting it as %#x\n", rc, pszEnd, *piFirst);
5184 }
5185 }
5186
5187 if (pPattern->enmRangeType == DBGCVAR_RANGE_NONE)
5188 *pcInts = 1;
5189 else
5190 *pcInts = RT_MAX(RT_MIN((uint16_t)pPattern->u64Range, 256 - *piFirst), 1);
5191 return true;
5192 }
5193 return false;
5194}
5195
5196
5197/**
5198 * Updates a DBGC event config.
5199 *
5200 * @returns VINF_SUCCESS or VERR_NO_MEMORY.
5201 * @param ppEvtCfg The event configuration entry to update.
5202 * @param pszCmd The new command. Leave command alone if NULL.
5203 * @param enmEvtState The new event state.
5204 * @param fChangeCmdOnly Whether to only update the command.
5205 */
5206static int dbgcEventUpdate(PDBGCEVTCFG *ppEvtCfg, const char *pszCmd, DBGCEVTSTATE enmEvtState, bool fChangeCmdOnly)
5207{
5208 PDBGCEVTCFG pEvtCfg = *ppEvtCfg;
5209
5210 /*
5211 * If we've got a command string, update the command too.
5212 */
5213 if (pszCmd)
5214 {
5215 size_t cchCmd = strlen(pszCmd);
5216 if ( !cchCmd
5217 && ( !fChangeCmdOnly
5218 ? enmEvtState == kDbgcEvtState_Disabled
5219 : !pEvtCfg || pEvtCfg->enmState == kDbgcEvtState_Disabled))
5220 {
5221 /* NULL entry is fine if no command and disabled. */
5222 RTMemFree(pEvtCfg);
5223 *ppEvtCfg = NULL;
5224 }
5225 else
5226 {
5227 if (!pEvtCfg || pEvtCfg->cchCmd < cchCmd)
5228 {
5229 RTMemFree(pEvtCfg);
5230 *ppEvtCfg = pEvtCfg = (PDBGCEVTCFG)RTMemAlloc(RT_OFFSETOF(DBGCEVTCFG, szCmd[cchCmd + 1]));
5231 if (!pEvtCfg)
5232 return VERR_NO_MEMORY;
5233 }
5234 pEvtCfg->enmState = enmEvtState;
5235 pEvtCfg->cchCmd = cchCmd;
5236 memcpy(pEvtCfg->szCmd, pszCmd, cchCmd + 1);
5237 }
5238 }
5239 /*
5240 * Update existing or enable new. If NULL and not enabled, we can keep it that way.
5241 */
5242 else if (pEvtCfg || enmEvtState != kDbgcEvtState_Disabled)
5243 {
5244 if (!pEvtCfg)
5245 {
5246 *ppEvtCfg = pEvtCfg = (PDBGCEVTCFG)RTMemAlloc(sizeof(DBGCEVTCFG));
5247 if (!pEvtCfg)
5248 return VERR_NO_MEMORY;
5249 pEvtCfg->cchCmd = 0;
5250 pEvtCfg->szCmd[0] = '\0';
5251 }
5252 pEvtCfg->enmState = enmEvtState;
5253 }
5254
5255 return VINF_SUCCESS;
5256}
5257
5258
5259/**
5260 * Record one settings change for a plain event.
5261 *
5262 * @returns The new @a cIntCfgs value.
5263 * @param paEventCfgs The event setttings array. Must have DBGFEVENT_END
5264 * entries.
5265 * @param cEventCfgs The current number of entries in @a paEventCfgs.
5266 * @param enmType The event to change the settings for.
5267 * @param enmEvtState The new event state.
5268 * @param iSxEvt Index into the g_aDbgcSxEvents array.
5269 *
5270 * @remarks We use abUnused[0] for the enmEvtState, while abUnused[1] and
5271 * abUnused[2] are used for iSxEvt.
5272 */
5273static uint32_t dbgcEventAddPlainConfig(PDBGFEVENTCONFIG paEventCfgs, uint32_t cEventCfgs, DBGFEVENTTYPE enmType,
5274 DBGCEVTSTATE enmEvtState, uint16_t iSxEvt)
5275{
5276 uint32_t iCfg;
5277 for (iCfg = 0; iCfg < cEventCfgs; iCfg++)
5278 if (paEventCfgs[iCfg].enmType == enmType)
5279 break;
5280 if (iCfg == cEventCfgs)
5281 {
5282 Assert(cEventCfgs < DBGFEVENT_END);
5283 paEventCfgs[iCfg].enmType = enmType;
5284 cEventCfgs++;
5285 }
5286 paEventCfgs[iCfg].fEnabled = enmEvtState > kDbgcEvtState_Disabled;
5287 paEventCfgs[iCfg].abUnused[0] = enmEvtState;
5288 paEventCfgs[iCfg].abUnused[1] = (uint8_t)iSxEvt;
5289 paEventCfgs[iCfg].abUnused[2] = (uint8_t)(iSxEvt >> 8);
5290 return cEventCfgs;
5291}
5292
5293
5294/**
5295 * Record one or more interrupt event config changes.
5296 *
5297 * @returns The new @a cIntCfgs value.
5298 * @param paIntCfgs Interrupt confiruation array. Must have 256 entries.
5299 * @param cIntCfgs The current number of entries in @a paIntCfgs.
5300 * @param iInt The interrupt number to start with.
5301 * @param cInts The number of interrupts to change.
5302 * @param pszName The settings name (hwint/swint).
5303 * @param enmEvtState The new event state.
5304 * @param bIntOp The new DBGF interrupt state.
5305 */
5306static uint32_t dbgcEventAddIntConfig(PDBGFINTERRUPTCONFIG paIntCfgs, uint32_t cIntCfgs, uint8_t iInt, uint16_t cInts,
5307 const char *pszName, DBGCEVTSTATE enmEvtState, uint8_t bIntOp)
5308{
5309 bool const fHwInt = *pszName == 'h';
5310
5311 bIntOp |= (uint8_t)enmEvtState << 4;
5312 uint8_t const bSoftState = !fHwInt ? bIntOp : DBGFINTERRUPTSTATE_DONT_TOUCH;
5313 uint8_t const bHardState = fHwInt ? bIntOp : DBGFINTERRUPTSTATE_DONT_TOUCH;
5314
5315 while (cInts > 0)
5316 {
5317 uint32_t iCfg;
5318 for (iCfg = 0; iCfg < cIntCfgs; iCfg++)
5319 if (paIntCfgs[iCfg].iInterrupt == iInt)
5320 break;
5321 if (iCfg == cIntCfgs)
5322 break;
5323 if (fHwInt)
5324 paIntCfgs[iCfg].enmHardState = bHardState;
5325 else
5326 paIntCfgs[iCfg].enmSoftState = bSoftState;
5327 iInt++;
5328 cInts--;
5329 }
5330
5331 while (cInts > 0)
5332 {
5333 Assert(cIntCfgs < 256);
5334 paIntCfgs[cIntCfgs].iInterrupt = iInt;
5335 paIntCfgs[cIntCfgs].enmHardState = bHardState;
5336 paIntCfgs[cIntCfgs].enmSoftState = bSoftState;
5337 cIntCfgs++;
5338 iInt++;
5339 cInts--;
5340 }
5341
5342 return cIntCfgs;
5343}
5344
5345
5346/**
5347 * Applies event settings changes to DBGC and DBGF.
5348 *
5349 * @returns VBox status code (fully bitched)
5350 * @param pCmdHlp The command helpers.
5351 * @param pUVM The user mode VM handle.
5352 * @param paIntCfgs Interrupt configuration array. We use the upper 4
5353 * bits of the settings for the DBGCEVTSTATE. This
5354 * will be cleared.
5355 * @param cIntCfgs Number of interrupt configuration changes.
5356 * @param paEventCfgs The generic event configuration array. We use the
5357 * abUnused[0] member for the DBGCEVTSTATE, and
5358 * abUnused[2:1] for the g_aDbgcSxEvents index.
5359 * @param cEventCfgs The number of generic event settings changes.
5360 * @param pszCmd The commands to associate with the changed events.
5361 * If this is NULL, don't touch the command.
5362 * @param fChangeCmdOnly Whether to only change the commands (sx-).
5363 */
5364static int dbgcEventApplyChanges(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGFINTERRUPTCONFIG paIntCfgs, uint32_t cIntCfgs,
5365 PCDBGFEVENTCONFIG paEventCfgs, uint32_t cEventCfgs, const char *pszCmd, bool fChangeCmdOnly)
5366{
5367 int rc;
5368
5369 /*
5370 * Apply changes to DBGC. This can only fail with out of memory error.
5371 */
5372 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5373 if (cIntCfgs)
5374 for (uint32_t iCfg = 0; iCfg < cIntCfgs; iCfg++)
5375 {
5376 DBGCEVTSTATE enmEvtState = (DBGCEVTSTATE)(paIntCfgs[iCfg].enmHardState >> 4);
5377 paIntCfgs[iCfg].enmHardState &= 0xf;
5378 if (paIntCfgs[iCfg].enmHardState != DBGFINTERRUPTSTATE_DONT_TOUCH)
5379 {
5380 rc = dbgcEventUpdate(&pDbgc->apHardInts[paIntCfgs[iCfg].iInterrupt], pszCmd, enmEvtState, fChangeCmdOnly);
5381 if (RT_FAILURE(rc))
5382 return rc;
5383 }
5384
5385 enmEvtState = (DBGCEVTSTATE)(paIntCfgs[iCfg].enmSoftState >> 4);
5386 paIntCfgs[iCfg].enmSoftState &= 0xf;
5387 if (paIntCfgs[iCfg].enmSoftState != DBGFINTERRUPTSTATE_DONT_TOUCH)
5388 {
5389 rc = dbgcEventUpdate(&pDbgc->apSoftInts[paIntCfgs[iCfg].iInterrupt], pszCmd, enmEvtState, fChangeCmdOnly);
5390 if (RT_FAILURE(rc))
5391 return rc;
5392 }
5393 }
5394
5395 if (cEventCfgs)
5396 {
5397 for (uint32_t iCfg = 0; iCfg < cEventCfgs; iCfg++)
5398 {
5399 Assert((unsigned)paEventCfgs[iCfg].enmType < RT_ELEMENTS(pDbgc->apEventCfgs));
5400 uint16_t iSxEvt = RT_MAKE_U16(paEventCfgs[iCfg].abUnused[1], paEventCfgs[iCfg].abUnused[2]);
5401 Assert(iSxEvt < RT_ELEMENTS(g_aDbgcSxEvents));
5402 rc = dbgcEventUpdate(&pDbgc->apEventCfgs[iSxEvt], pszCmd, (DBGCEVTSTATE)paEventCfgs[iCfg].abUnused[0], fChangeCmdOnly);
5403 if (RT_FAILURE(rc))
5404 return rc;
5405 }
5406 }
5407
5408 /*
5409 * Apply changes to DBGF.
5410 */
5411 if (!fChangeCmdOnly)
5412 {
5413 if (cIntCfgs)
5414 {
5415 rc = DBGFR3InterruptConfigEx(pUVM, paIntCfgs, cIntCfgs);
5416 if (RT_FAILURE(rc))
5417 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3InterruptConfigEx: %Rrc\n", rc);
5418 }
5419 if (cEventCfgs)
5420 {
5421 rc = DBGFR3EventConfigEx(pUVM, paEventCfgs, cEventCfgs);
5422 if (RT_FAILURE(rc))
5423 return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3EventConfigEx: %Rrc\n", rc);
5424 }
5425 }
5426
5427 return VINF_SUCCESS;
5428}
5429
5430
5431/**
5432 * @callback_method_impl{FNDBGCCMD, The 'sx[eni-]' commands.}
5433 */
5434static DECLCALLBACK(int) dbgcCmdEventCtrl(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5435{
5436 /*
5437 * Figure out which command this is.
5438 */
5439 uint8_t bIntOp;
5440 DBGCEVTSTATE enmEvtState;
5441 bool fChangeCmdOnly;
5442 switch (pCmd->pszCmd[2])
5443 {
5444 case 'e': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Enabled; fChangeCmdOnly = false; break;
5445 case 'n': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Notify; fChangeCmdOnly = false; break;
5446 case '-': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Invalid; fChangeCmdOnly = true; break;
5447 case 'i': bIntOp = DBGFINTERRUPTSTATE_DISABLED; enmEvtState = kDbgcEvtState_Disabled; fChangeCmdOnly = false; break;
5448 default:
5449 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "pszCmd=%s\n", pCmd->pszCmd);
5450 }
5451
5452 /*
5453 * Command option.
5454 */
5455 unsigned iArg = 0;
5456 const char *pszCmd = NULL;
5457 if ( cArgs >= iArg + 2
5458 && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING
5459 && paArgs[iArg + 1].enmType == DBGCVAR_TYPE_STRING
5460 && strcmp(paArgs[iArg].u.pszString, "-c") == 0)
5461 {
5462 pszCmd = paArgs[iArg + 1].u.pszString;
5463 iArg += 2;
5464 }
5465 if (fChangeCmdOnly && !pszCmd)
5466 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "The 'sx-' requires the '-c cmd' arguments.\n");
5467
5468 /*
5469 * The remaining arguments are event specifiers to which the operation should be applied.
5470 */
5471 uint32_t cIntCfgs = 0;
5472 DBGFINTERRUPTCONFIG aIntCfgs[256];
5473 uint32_t cEventCfgs = 0;
5474 DBGFEVENTCONFIG aEventCfgs[DBGFEVENT_END];
5475
5476 for (; iArg < cArgs; iArg++)
5477 {
5478 DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, iArg, paArgs[iArg].enmType == DBGCVAR_TYPE_STRING
5479 || paArgs[iArg].enmType == DBGCVAR_TYPE_SYMBOL);
5480 uint32_t cHits = 0;
5481 for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5482 if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5483 {
5484 if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
5485 || ( g_aDbgcSxEvents[iEvt].pszAltNm
5486 && RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
5487 {
5488 cEventCfgs = dbgcEventAddPlainConfig(aEventCfgs, cEventCfgs, g_aDbgcSxEvents[iEvt].enmType,
5489 enmEvtState, iEvt);
5490 cHits++;
5491 }
5492 }
5493 else
5494 {
5495 Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
5496 uint8_t iInt;
5497 uint16_t cInts;
5498 if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
5499 {
5500 cIntCfgs = dbgcEventAddIntConfig(aIntCfgs, cIntCfgs, iInt, cInts, g_aDbgcSxEvents[iEvt].pszName,
5501 enmEvtState, bIntOp);
5502 cHits++;
5503 }
5504 }
5505 if (!cHits)
5506 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
5507 }
5508
5509 /*
5510 * Apply the changes.
5511 */
5512 return dbgcEventApplyChanges(pCmdHlp, pUVM, aIntCfgs, cIntCfgs, aEventCfgs, cEventCfgs, pszCmd, fChangeCmdOnly);
5513}
5514
5515
5516/**
5517 * @callback_method_impl{FNDBGCCMD, The 'sxr' commands.}
5518 */
5519static DECLCALLBACK(int) dbgcCmdEventCtrlReset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5520{
5521 RT_NOREF1(pCmd);
5522 uint32_t cEventCfgs = 0;
5523 DBGFEVENTCONFIG aEventCfgs[DBGFEVENT_END];
5524 uint32_t cIntCfgs = 0;
5525 DBGFINTERRUPTCONFIG aIntCfgs[256];
5526
5527 if (cArgs == 0)
5528 {
5529 /*
5530 * All events.
5531 */
5532 for (uint32_t iInt = 0; iInt < 256; iInt++)
5533 {
5534 aIntCfgs[iInt].iInterrupt = iInt;
5535 aIntCfgs[iInt].enmHardState = DBGFINTERRUPTSTATE_DONT_TOUCH;
5536 aIntCfgs[iInt].enmSoftState = DBGFINTERRUPTSTATE_DONT_TOUCH;
5537 }
5538 cIntCfgs = 256;
5539
5540 for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5541 if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5542 {
5543 aEventCfgs[cEventCfgs].enmType = g_aDbgcSxEvents[iEvt].enmType;
5544 aEventCfgs[cEventCfgs].fEnabled = g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled;
5545 aEventCfgs[cEventCfgs].abUnused[0] = g_aDbgcSxEvents[iEvt].enmDefault;
5546 aEventCfgs[cEventCfgs].abUnused[1] = (uint8_t)iEvt;
5547 aEventCfgs[cEventCfgs].abUnused[2] = (uint8_t)(iEvt >> 8);
5548 cEventCfgs++;
5549 }
5550 else
5551 {
5552 uint8_t const bState = ( g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled
5553 ? DBGFINTERRUPTSTATE_ENABLED : DBGFINTERRUPTSTATE_DISABLED)
5554 | ((uint8_t)g_aDbgcSxEvents[iEvt].enmDefault << 4);
5555 if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
5556 for (uint32_t iInt = 0; iInt < 256; iInt++)
5557 aIntCfgs[iInt].enmHardState = bState;
5558 else
5559 for (uint32_t iInt = 0; iInt < 256; iInt++)
5560 aIntCfgs[iInt].enmSoftState = bState;
5561 }
5562 }
5563 else
5564 {
5565 /*
5566 * Selected events.
5567 */
5568 for (uint32_t iArg = 0; iArg < cArgs; iArg++)
5569 {
5570 unsigned cHits = 0;
5571 for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5572 if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5573 {
5574 if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
5575 || ( g_aDbgcSxEvents[iEvt].pszAltNm
5576 && RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
5577 {
5578 cEventCfgs = dbgcEventAddPlainConfig(aEventCfgs, cEventCfgs, g_aDbgcSxEvents[iEvt].enmType,
5579 g_aDbgcSxEvents[iEvt].enmDefault, iEvt);
5580 cHits++;
5581 }
5582 }
5583 else
5584 {
5585 Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
5586 uint8_t iInt;
5587 uint16_t cInts;
5588 if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
5589 {
5590 cIntCfgs = dbgcEventAddIntConfig(aIntCfgs, cIntCfgs, iInt, cInts, g_aDbgcSxEvents[iEvt].pszName,
5591 g_aDbgcSxEvents[iEvt].enmDefault,
5592 g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled
5593 ? DBGFINTERRUPTSTATE_ENABLED : DBGFINTERRUPTSTATE_DISABLED);
5594 cHits++;
5595 }
5596 }
5597 if (!cHits)
5598 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
5599 }
5600 }
5601
5602 /*
5603 * Apply the reset changes.
5604 */
5605 return dbgcEventApplyChanges(pCmdHlp, pUVM, aIntCfgs, cIntCfgs, aEventCfgs, cEventCfgs, "", false);
5606}
5607
5608
5609/**
5610 * Used during DBGC initialization to configure events with defaults.
5611 *
5612 * @returns VBox status code.
5613 * @param pDbgc The DBGC instance.
5614 */
5615void dbgcEventInit(PDBGC pDbgc)
5616{
5617 if (pDbgc->pUVM)
5618 dbgcCmdEventCtrlReset(NULL, &pDbgc->CmdHlp, pDbgc->pUVM, NULL, 0);
5619}
5620
5621
5622/**
5623 * Used during DBGC termination to disable all events.
5624 *
5625 * @param pDbgc The DBGC instance.
5626 */
5627void dbgcEventTerm(PDBGC pDbgc)
5628{
5629/** @todo need to do more than just reset later. */
5630 if (pDbgc->pUVM && VMR3GetStateU(pDbgc->pUVM) < VMSTATE_DESTROYING)
5631 dbgcCmdEventCtrlReset(NULL, &pDbgc->CmdHlp, pDbgc->pUVM, NULL, 0);
5632}
5633
5634
5635static void dbgcEventDisplay(PDBGCCMDHLP pCmdHlp, const char *pszName, DBGCEVTSTATE enmDefault, PDBGCEVTCFG const *ppEvtCfg)
5636{
5637 RT_NOREF1(enmDefault);
5638 PDBGCEVTCFG pEvtCfg = *ppEvtCfg;
5639
5640 const char *pszState;
5641 switch (pEvtCfg ? pEvtCfg->enmState : kDbgcEvtState_Disabled)
5642 {
5643 case kDbgcEvtState_Disabled: pszState = "ignore"; break;
5644 case kDbgcEvtState_Enabled: pszState = "enabled"; break;
5645 case kDbgcEvtState_Notify: pszState = "notify"; break;
5646 default:
5647 AssertFailed();
5648 pszState = "invalid";
5649 break;
5650 }
5651
5652 if (pEvtCfg && pEvtCfg->cchCmd > 0)
5653 DBGCCmdHlpPrintf(pCmdHlp, "%-22s %-7s \"%s\"\n", pszName, pszState, pEvtCfg->szCmd);
5654 else
5655 DBGCCmdHlpPrintf(pCmdHlp, "%-22s %s\n", pszName, pszState);
5656}
5657
5658
5659static void dbgcEventDisplayRange(PDBGCCMDHLP pCmdHlp, const char *pszBaseNm, DBGCEVTSTATE enmDefault,
5660 PDBGCEVTCFG const *papEvtCfgs, unsigned iCfg, unsigned cCfgs)
5661{
5662 do
5663 {
5664 PCDBGCEVTCFG pFirstCfg = papEvtCfgs[iCfg];
5665 if (pFirstCfg && pFirstCfg->enmState == kDbgcEvtState_Disabled && pFirstCfg->cchCmd == 0)
5666 pFirstCfg = NULL;
5667
5668 unsigned const iFirstCfg = iCfg;
5669 iCfg++;
5670 while (iCfg < cCfgs)
5671 {
5672 PCDBGCEVTCFG pCurCfg = papEvtCfgs[iCfg];
5673 if (pCurCfg && pCurCfg->enmState == kDbgcEvtState_Disabled && pCurCfg->cchCmd == 0)
5674 pCurCfg = NULL;
5675 if (pCurCfg != pFirstCfg)
5676 {
5677 if (!pCurCfg || !pFirstCfg)
5678 break;
5679 if (pCurCfg->enmState != pFirstCfg->enmState)
5680 break;
5681 if (pCurCfg->cchCmd != pFirstCfg->cchCmd)
5682 break;
5683 if (memcmp(pCurCfg->szCmd, pFirstCfg->szCmd, pFirstCfg->cchCmd) != 0)
5684 break;
5685 }
5686 iCfg++;
5687 }
5688
5689 char szName[16];
5690 unsigned cEntries = iCfg - iFirstCfg;
5691 if (cEntries == 1)
5692 RTStrPrintf(szName, sizeof(szName), "%s%02x", pszBaseNm, iFirstCfg);
5693 else
5694 RTStrPrintf(szName, sizeof(szName), "%s%02x L %#x", pszBaseNm, iFirstCfg, cEntries);
5695 dbgcEventDisplay(pCmdHlp, szName, enmDefault, &papEvtCfgs[iFirstCfg]);
5696
5697 cCfgs -= cEntries;
5698 } while (cCfgs > 0);
5699}
5700
5701
5702/**
5703 * @callback_method_impl{FNDBGCCMD, The 'sx' commands.}
5704 */
5705static DECLCALLBACK(int) dbgcCmdEventCtrlList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5706{
5707 RT_NOREF2(pCmd, pUVM);
5708 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5709
5710 if (cArgs == 0)
5711 {
5712 /*
5713 * All events.
5714 */
5715 for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5716 if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5717 dbgcEventDisplay(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5718 &pDbgc->apEventCfgs[iEvt]);
5719 else if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
5720 dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5721 pDbgc->apHardInts, 0, 256);
5722 else
5723 dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5724 pDbgc->apSoftInts, 0, 256);
5725 }
5726 else
5727 {
5728 /*
5729 * Selected events.
5730 */
5731 for (uint32_t iArg = 0; iArg < cArgs; iArg++)
5732 {
5733 unsigned cHits = 0;
5734 for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
5735 if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
5736 {
5737 if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
5738 || ( g_aDbgcSxEvents[iEvt].pszAltNm
5739 && RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
5740 {
5741 dbgcEventDisplay(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5742 &pDbgc->apEventCfgs[iEvt]);
5743 cHits++;
5744 }
5745 }
5746 else
5747 {
5748 Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
5749 uint8_t iInt;
5750 uint16_t cInts;
5751 if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
5752 {
5753 if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
5754 dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5755 pDbgc->apHardInts, iInt, cInts);
5756 else
5757 dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
5758 pDbgc->apSoftInts, iInt, cInts);
5759 cHits++;
5760 }
5761 }
5762 if (cHits == 0)
5763 return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
5764 }
5765 }
5766
5767 return VINF_SUCCESS;
5768}
5769
5770
5771
5772/**
5773 * List near symbol.
5774 *
5775 * @returns VBox status code.
5776 * @param pCmdHlp Pointer to command helper functions.
5777 * @param pUVM The user mode VM handle.
5778 * @param pArg Pointer to the address or symbol to lookup.
5779 */
5780static int dbgcDoListNear(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR pArg)
5781{
5782 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5783
5784 RTDBGSYMBOL Symbol;
5785 int rc;
5786 if (pArg->enmType == DBGCVAR_TYPE_SYMBOL)
5787 {
5788 /*
5789 * Lookup the symbol address.
5790 */
5791 rc = DBGFR3AsSymbolByName(pUVM, pDbgc->hDbgAs, pArg->u.pszString, &Symbol, NULL);
5792 if (RT_FAILURE(rc))
5793 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3AsSymbolByName(,,%s,)\n", pArg->u.pszString);
5794
5795 rc = DBGCCmdHlpPrintf(pCmdHlp, "%RTptr %s\n", Symbol.Value, Symbol.szName);
5796 }
5797 else
5798 {
5799 /*
5800 * Convert it to a flat GC address and lookup that address.
5801 */
5802 DBGCVAR AddrVar;
5803 rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, "%%(%DV)", pArg);
5804 if (RT_FAILURE(rc))
5805 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "%%(%DV)\n", pArg);
5806
5807 RTINTPTR offDisp;
5808 DBGFADDRESS Addr;
5809 rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, AddrVar.u.GCFlat),
5810 RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL, &offDisp, &Symbol, NULL);
5811 if (RT_FAILURE(rc))
5812 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3ASymbolByAddr(,,%RGv,,)\n", AddrVar.u.GCFlat);
5813
5814 if (!offDisp)
5815 rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s", &AddrVar, Symbol.szName);
5816 else if (offDisp > 0)
5817 rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s + %RGv", &AddrVar, Symbol.szName, offDisp);
5818 else
5819 rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s - %RGv", &AddrVar, Symbol.szName, -offDisp);
5820 if (Symbol.cb > 0)
5821 rc = DBGCCmdHlpPrintf(pCmdHlp, " (LB %RGv)\n", Symbol.cb);
5822 else
5823 rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
5824 }
5825
5826 return rc;
5827}
5828
5829
5830/**
5831 * @callback_method_impl{FNDBGCCMD, The 'ln' (listnear) command.}
5832 */
5833static DECLCALLBACK(int) dbgcCmdListNear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5834{
5835 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5836 if (!cArgs)
5837 {
5838 /*
5839 * Current cs:eip symbol.
5840 */
5841 DBGCVAR AddrVar;
5842 const char *pszFmtExpr = pDbgc->fRegCtxGuest ? "%%(cs:eip)" : "%%(.cs:.eip)";
5843 int rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, pszFmtExpr);
5844 if (RT_FAILURE(rc))
5845 return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "%s\n", pszFmtExpr + 1);
5846 return dbgcDoListNear(pCmdHlp, pUVM, &AddrVar);
5847 }
5848
5849/** @todo Fix the darn parser, it's resolving symbols specified as arguments before we get in here. */
5850 /*
5851 * Iterate arguments.
5852 */
5853 for (unsigned iArg = 0; iArg < cArgs; iArg++)
5854 {
5855 int rc = dbgcDoListNear(pCmdHlp, pUVM, &paArgs[iArg]);
5856 if (RT_FAILURE(rc))
5857 return rc;
5858 }
5859
5860 NOREF(pCmd);
5861 return VINF_SUCCESS;
5862}
5863
5864
5865/**
5866 * Matches the module patters against a module name.
5867 *
5868 * @returns true if matching, otherwise false.
5869 * @param pszName The module name.
5870 * @param paArgs The module pattern argument list.
5871 * @param cArgs Number of arguments.
5872 */
5873static bool dbgcCmdListModuleMatch(const char *pszName, PCDBGCVAR paArgs, unsigned cArgs)
5874{
5875 for (uint32_t i = 0; i < cArgs; i++)
5876 if (RTStrSimplePatternMatch(paArgs[i].u.pszString, pszName))
5877 return true;
5878 return false;
5879}
5880
5881
5882/**
5883 * @callback_method_impl{FNDBGCCMD, The 'ln' (list near) command.}
5884 */
5885static DECLCALLBACK(int) dbgcCmdListModules(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
5886{
5887 bool const fMappings = pCmd->pszCmd[2] == 'o';
5888 bool const fVerbose = pCmd->pszCmd[strlen(pCmd->pszCmd) - 1] == 'v';
5889 PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
5890
5891 /*
5892 * Iterate the modules in the current address space and print info about
5893 * those matching the input.
5894 */
5895 RTDBGAS hAs = DBGFR3AsResolveAndRetain(pUVM, pDbgc->hDbgAs);
5896 uint32_t cMods = RTDbgAsModuleCount(hAs);
5897 for (uint32_t iMod = 0; iMod < cMods; iMod++)
5898 {
5899 RTDBGMOD hMod = RTDbgAsModuleByIndex(hAs, iMod);
5900 if (hMod != NIL_RTDBGMOD)
5901 {
5902 bool const fDeferred = RTDbgModIsDeferred(hMod);
5903 bool const fExports = RTDbgModIsExports(hMod);
5904 uint32_t const cSegs = fDeferred ? 1 : RTDbgModSegmentCount(hMod);
5905 const char * const pszName = RTDbgModName(hMod);
5906 const char * const pszImgFile = RTDbgModImageFile(hMod);
5907 const char * const pszImgFileUsed = RTDbgModImageFileUsed(hMod);
5908 const char * const pszDbgFile = RTDbgModDebugFile(hMod);
5909 if ( cArgs == 0
5910 || dbgcCmdListModuleMatch(pszName, paArgs, cArgs))
5911 {
5912 /*
5913 * Find the mapping with the lower address, preferring a full
5914 * image mapping, for the main line.
5915 */
5916 RTDBGASMAPINFO aMappings[128];
5917 uint32_t cMappings = RT_ELEMENTS(aMappings);
5918 int rc = RTDbgAsModuleQueryMapByIndex(hAs, iMod, &aMappings[0], &cMappings, 0 /*fFlags*/);
5919 if (RT_SUCCESS(rc))
5920 {
5921 bool fFull = false;
5922 RTUINTPTR uMin = RTUINTPTR_MAX;
5923 for (uint32_t iMap = 0; iMap < cMappings; iMap++)
5924 if ( aMappings[iMap].Address < uMin
5925 && ( !fFull
5926 || aMappings[iMap].iSeg == NIL_RTDBGSEGIDX))
5927 uMin = aMappings[iMap].Address;
5928 if (!fVerbose || !pszImgFile)
5929 DBGCCmdHlpPrintf(pCmdHlp, "%RGv %04x %s%s\n", (RTGCUINTPTR)uMin, cSegs, pszName,
5930 fExports ? " (exports)" : fDeferred ? " (deferred)" : "");
5931 else
5932 DBGCCmdHlpPrintf(pCmdHlp, "%RGv %04x %-12s %s%s\n", (RTGCUINTPTR)uMin, cSegs, pszName, pszImgFile,
5933 fExports ? " (exports)" : fDeferred ? " (deferred)" : "");
5934 if (fVerbose && pszImgFileUsed)
5935 DBGCCmdHlpPrintf(pCmdHlp, " Local image: %s\n", pszImgFileUsed);
5936 if (fVerbose && pszDbgFile)
5937 DBGCCmdHlpPrintf(pCmdHlp, " Debug file: %s\n", pszDbgFile);
5938
5939 if (fMappings)
5940 {
5941 /* sort by address first - not very efficient. */
5942 for (uint32_t i = 0; i + 1 < cMappings; i++)
5943 for (uint32_t j = i + 1; j < cMappings; j++)
5944 if (aMappings[j].Address < aMappings[i].Address)
5945 {
5946 RTDBGASMAPINFO Tmp = aMappings[j];
5947 aMappings[j] = aMappings[i];
5948 aMappings[i] = Tmp;
5949 }
5950
5951 /* print */
5952 if ( cMappings == 1
5953 && aMappings[0].iSeg == NIL_RTDBGSEGIDX
5954 && !fDeferred)
5955 {
5956 for (uint32_t iSeg = 0; iSeg < cSegs; iSeg++)
5957 {
5958 RTDBGSEGMENT SegInfo;
5959 rc = RTDbgModSegmentByIndex(hMod, iSeg, &SegInfo);
5960 if (RT_SUCCESS(rc))
5961 {
5962 if (SegInfo.uRva != RTUINTPTR_MAX)
5963 DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv #%02x %s\n",
5964 (RTGCUINTPTR)(aMappings[0].Address + SegInfo.uRva),
5965 (RTGCUINTPTR)SegInfo.cb, iSeg, SegInfo.szName);
5966 else
5967 DBGCCmdHlpPrintf(pCmdHlp, " %*s %RGv #%02x %s\n",
5968 sizeof(RTGCUINTPTR)*2, "noload",
5969 (RTGCUINTPTR)SegInfo.cb, iSeg, SegInfo.szName);
5970 }
5971 else
5972 DBGCCmdHlpPrintf(pCmdHlp, " Error query segment #%u: %Rrc\n", iSeg, rc);
5973 }
5974 }
5975 else
5976 {
5977 for (uint32_t iMap = 0; iMap < cMappings; iMap++)
5978 if (aMappings[iMap].iSeg == NIL_RTDBGSEGIDX)
5979 DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv <everything>\n",
5980 (RTGCUINTPTR)aMappings[iMap].Address,
5981 (RTGCUINTPTR)RTDbgModImageSize(hMod));
5982 else if (!fDeferred)
5983 {
5984 RTDBGSEGMENT SegInfo;
5985 rc = RTDbgModSegmentByIndex(hMod, aMappings[iMap].iSeg, &SegInfo);
5986 if (RT_FAILURE(rc))
5987 {
5988 RT_ZERO(SegInfo);
5989 strcpy(SegInfo.szName, "error");
5990 }
5991 DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv #%02x %s\n",
5992 (RTGCUINTPTR)aMappings[iMap].Address,
5993 (RTGCUINTPTR)SegInfo.cb,
5994 aMappings[iMap].iSeg, SegInfo.szName);
5995 }
5996 else
5997 DBGCCmdHlpPrintf(pCmdHlp, " %RGv #%02x\n",
5998 (RTGCUINTPTR)aMappings[iMap].Address, aMappings[iMap].iSeg);
5999 }
6000 }
6001 }
6002 else
6003 DBGCCmdHlpPrintf(pCmdHlp, "%.*s %04x %s (rc=%Rrc)\n",
6004 sizeof(RTGCPTR) * 2, "???????????", cSegs, pszName, rc);
6005 /** @todo missing address space API for enumerating the mappings. */
6006 }
6007 RTDbgModRelease(hMod);
6008 }
6009 }
6010 RTDbgAsRelease(hAs);
6011
6012 NOREF(pCmd);
6013 return VINF_SUCCESS;
6014}
6015
6016
6017
6018/**
6019 * @callback_method_impl{FNDBGCFUNC, Reads a unsigned 8-bit value.}
6020 */
6021static DECLCALLBACK(int) dbgcFuncReadU8(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6022 PDBGCVAR pResult)
6023{
6024 RT_NOREF1(pUVM);
6025 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6026 AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6027 AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6028
6029 uint8_t b;
6030 int rc = DBGCCmdHlpMemRead(pCmdHlp, &b, sizeof(b), &paArgs[0], NULL);
6031 if (RT_FAILURE(rc))
6032 return rc;
6033 DBGCVAR_INIT_NUMBER(pResult, b);
6034
6035 NOREF(pFunc);
6036 return VINF_SUCCESS;
6037}
6038
6039
6040/**
6041 * @callback_method_impl{FNDBGCFUNC, Reads a unsigned 16-bit value.}
6042 */
6043static DECLCALLBACK(int) dbgcFuncReadU16(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6044 PDBGCVAR pResult)
6045{
6046 RT_NOREF1(pUVM);
6047 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6048 AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6049 AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6050
6051 uint16_t u16;
6052 int rc = DBGCCmdHlpMemRead(pCmdHlp, &u16, sizeof(u16), &paArgs[0], NULL);
6053 if (RT_FAILURE(rc))
6054 return rc;
6055 DBGCVAR_INIT_NUMBER(pResult, u16);
6056
6057 NOREF(pFunc);
6058 return VINF_SUCCESS;
6059}
6060
6061
6062/**
6063 * @callback_method_impl{FNDBGCFUNC, Reads a unsigned 32-bit value.}
6064 */
6065static DECLCALLBACK(int) dbgcFuncReadU32(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6066 PDBGCVAR pResult)
6067{
6068 RT_NOREF1(pUVM);
6069 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6070 AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6071 AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6072
6073 uint32_t u32;
6074 int rc = DBGCCmdHlpMemRead(pCmdHlp, &u32, sizeof(u32), &paArgs[0], NULL);
6075 if (RT_FAILURE(rc))
6076 return rc;
6077 DBGCVAR_INIT_NUMBER(pResult, u32);
6078
6079 NOREF(pFunc);
6080 return VINF_SUCCESS;
6081}
6082
6083
6084/**
6085 * @callback_method_impl{FNDBGCFUNC, Reads a unsigned 64-bit value.}
6086 */
6087static DECLCALLBACK(int) dbgcFuncReadU64(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6088 PDBGCVAR pResult)
6089{
6090 RT_NOREF1(pUVM);
6091 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6092 AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6093 AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6094
6095 uint64_t u64;
6096 int rc = DBGCCmdHlpMemRead(pCmdHlp, &u64, sizeof(u64), &paArgs[0], NULL);
6097 if (RT_FAILURE(rc))
6098 return rc;
6099 DBGCVAR_INIT_NUMBER(pResult, u64);
6100
6101 NOREF(pFunc);
6102 return VINF_SUCCESS;
6103}
6104
6105
6106/**
6107 * @callback_method_impl{FNDBGCFUNC, Reads a unsigned pointer-sized value.}
6108 */
6109static DECLCALLBACK(int) dbgcFuncReadPtr(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6110 PDBGCVAR pResult)
6111{
6112 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6113 AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
6114 AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
6115
6116 CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp);
6117 if (enmMode == CPUMMODE_LONG)
6118 return dbgcFuncReadU64(pFunc, pCmdHlp, pUVM, paArgs, cArgs, pResult);
6119 return dbgcFuncReadU32(pFunc, pCmdHlp, pUVM, paArgs, cArgs, pResult);
6120}
6121
6122
6123/**
6124 * @callback_method_impl{FNDBGCFUNC, The hi(value) function implementation.}
6125 */
6126static DECLCALLBACK(int) dbgcFuncHi(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6127 PDBGCVAR pResult)
6128{
6129 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6130
6131 uint16_t uHi;
6132 switch (paArgs[0].enmType)
6133 {
6134 case DBGCVAR_TYPE_GC_FLAT: uHi = (uint16_t)(paArgs[0].u.GCFlat >> 16); break;
6135 case DBGCVAR_TYPE_GC_FAR: uHi = (uint16_t)paArgs[0].u.GCFar.sel; break;
6136 case DBGCVAR_TYPE_GC_PHYS: uHi = (uint16_t)(paArgs[0].u.GCPhys >> 16); break;
6137 case DBGCVAR_TYPE_HC_FLAT: uHi = (uint16_t)((uintptr_t)paArgs[0].u.pvHCFlat >> 16); break;
6138 case DBGCVAR_TYPE_HC_PHYS: uHi = (uint16_t)(paArgs[0].u.HCPhys >> 16); break;
6139 case DBGCVAR_TYPE_NUMBER: uHi = (uint16_t)(paArgs[0].u.u64Number >> 16); break;
6140 default:
6141 AssertFailedReturn(VERR_DBGC_PARSE_BUG);
6142 }
6143 DBGCVAR_INIT_NUMBER(pResult, uHi);
6144 DBGCVAR_SET_RANGE(pResult, paArgs[0].enmRangeType, paArgs[0].u64Range);
6145
6146 NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
6147 return VINF_SUCCESS;
6148}
6149
6150
6151/**
6152 * @callback_method_impl{FNDBGCFUNC, The low(value) function implementation.}
6153 */
6154static DECLCALLBACK(int) dbgcFuncLow(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6155 PDBGCVAR pResult)
6156{
6157 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6158
6159 uint16_t uLow;
6160 switch (paArgs[0].enmType)
6161 {
6162 case DBGCVAR_TYPE_GC_FLAT: uLow = (uint16_t)paArgs[0].u.GCFlat; break;
6163 case DBGCVAR_TYPE_GC_FAR: uLow = (uint16_t)paArgs[0].u.GCFar.off; break;
6164 case DBGCVAR_TYPE_GC_PHYS: uLow = (uint16_t)paArgs[0].u.GCPhys; break;
6165 case DBGCVAR_TYPE_HC_FLAT: uLow = (uint16_t)(uintptr_t)paArgs[0].u.pvHCFlat; break;
6166 case DBGCVAR_TYPE_HC_PHYS: uLow = (uint16_t)paArgs[0].u.HCPhys; break;
6167 case DBGCVAR_TYPE_NUMBER: uLow = (uint16_t)paArgs[0].u.u64Number; break;
6168 default:
6169 AssertFailedReturn(VERR_DBGC_PARSE_BUG);
6170 }
6171 DBGCVAR_INIT_NUMBER(pResult, uLow);
6172 DBGCVAR_SET_RANGE(pResult, paArgs[0].enmRangeType, paArgs[0].u64Range);
6173
6174 NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
6175 return VINF_SUCCESS;
6176}
6177
6178
6179/**
6180 * @callback_method_impl{FNDBGCFUNC,The low(value) function implementation.}
6181 */
6182static DECLCALLBACK(int) dbgcFuncNot(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
6183 PDBGCVAR pResult)
6184{
6185 AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
6186 NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
6187 return DBGCCmdHlpEval(pCmdHlp, pResult, "!(%Dv)", &paArgs[0]);
6188}
6189
6190
6191/** Generic pointer argument wo/ range. */
6192static const DBGCVARDESC g_aArgPointerWoRange[] =
6193{
6194 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
6195 { 1, 1, DBGCVAR_CAT_POINTER_NO_RANGE, 0, "value", "Address or number." },
6196};
6197
6198/** Generic pointer or number argument. */
6199static const DBGCVARDESC g_aArgPointerNumber[] =
6200{
6201 /* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
6202 { 1, 1, DBGCVAR_CAT_POINTER_NUMBER, 0, "value", "Address or number." },
6203};
6204
6205
6206
6207/** Function descriptors for the CodeView / WinDbg emulation.
6208 * The emulation isn't attempting to be identical, only somewhat similar.
6209 */
6210const DBGCFUNC g_aFuncsCodeView[] =
6211{
6212 { "by", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU8, "address", "Reads a byte at the given address." },
6213 { "dwo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU32, "address", "Reads a 32-bit value at the given address." },
6214 { "hi", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncHi, "value", "Returns the high 16-bit bits of a value." },
6215 { "low", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncLow, "value", "Returns the low 16-bit bits of a value." },
6216 { "not", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncNot, "address", "Boolean NOT." },
6217 { "poi", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadPtr, "address", "Reads a pointer sized (CS) value at the given address." },
6218 { "qwo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU64, "address", "Reads a 32-bit value at the given address." },
6219 { "wo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU16, "address", "Reads a 16-bit value at the given address." },
6220};
6221
6222/** The number of functions in the CodeView/WinDbg emulation. */
6223const uint32_t g_cFuncsCodeView = RT_ELEMENTS(g_aFuncsCodeView);
6224
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