DBGCEmulateCodeView.cpp@ 59208

Last change on this file since 59208 was 59208, checked in by vboxsync, 9 years ago
DBGC: Enabled the event config code.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 222.4 KB

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1	/* $Id: DBGCEmulateCodeView.cpp 59208 2015-12-22 09:39:45Z vboxsync $ */
2	/** @file
3	* DBGC - Debugger Console, CodeView / WinDbg Emulation.
4	*/
5
6	/*
7	* Copyright (C) 2006-2015 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	*********************************************************************************************************************************/
47	static FNDBGCCMD dbgcCmdBrkAccess;
48	static FNDBGCCMD dbgcCmdBrkClear;
49	static FNDBGCCMD dbgcCmdBrkDisable;
50	static FNDBGCCMD dbgcCmdBrkEnable;
51	static FNDBGCCMD dbgcCmdBrkList;
52	static FNDBGCCMD dbgcCmdBrkSet;
53	static FNDBGCCMD dbgcCmdBrkREM;
54	static FNDBGCCMD dbgcCmdDumpMem;
55	static FNDBGCCMD dbgcCmdDumpDT;
56	static FNDBGCCMD dbgcCmdDumpIDT;
57	static FNDBGCCMD dbgcCmdDumpPageDir;
58	static FNDBGCCMD dbgcCmdDumpPageDirBoth;
59	static FNDBGCCMD dbgcCmdDumpPageHierarchy;
60	static FNDBGCCMD dbgcCmdDumpPageTable;
61	static FNDBGCCMD dbgcCmdDumpPageTableBoth;
62	static FNDBGCCMD dbgcCmdDumpTSS;
63	static FNDBGCCMD dbgcCmdEditMem;
64	static FNDBGCCMD dbgcCmdGo;
65	static FNDBGCCMD dbgcCmdListModules;
66	static FNDBGCCMD dbgcCmdListNear;
67	static FNDBGCCMD dbgcCmdListSource;
68	static FNDBGCCMD dbgcCmdMemoryInfo;
69	static FNDBGCCMD dbgcCmdReg;
70	static FNDBGCCMD dbgcCmdRegGuest;
71	static FNDBGCCMD dbgcCmdRegHyper;
72	static FNDBGCCMD dbgcCmdRegTerse;
73	static FNDBGCCMD dbgcCmdSearchMem;
74	static FNDBGCCMD dbgcCmdSearchMemType;
75	static FNDBGCCMD dbgcCmdEventCtrl;
76	static FNDBGCCMD dbgcCmdEventCtrlList;
77	static FNDBGCCMD dbgcCmdEventCtrlReset;
78	static FNDBGCCMD dbgcCmdStack;
79	static FNDBGCCMD dbgcCmdTrace;
80	static FNDBGCCMD dbgcCmdUnassemble;
81
82
83	/*********************************************************************************************************************************
84	* Global Variables *
85	*********************************************************************************************************************************/
86	/** 'ba' arguments. */
87	static const DBGCVARDESC g_aArgBrkAcc[] =
88	{
89	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
90	{ 1, 1, DBGCVAR_CAT_STRING, 0, "access", "The access type: x=execute, rw=read/write (alias r), w=write, i=not implemented." },
91	{ 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." },
92	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
93	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
94	{ 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)" },
95	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
96	};
97
98
99	/** 'bc', 'bd', 'be' arguments. */
100	static const DBGCVARDESC g_aArgBrks[] =
101	{
102	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
103	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#bp", "Breakpoint number." },
104	{ 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All breakpoints." },
105	};
106
107
108	/** 'bp' arguments. */
109	static const DBGCVARDESC g_aArgBrkSet[] =
110	{
111	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
112	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
113	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
114	{ 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)" },
115	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
116	};
117
118
119	/** 'br' arguments. */
120	static const DBGCVARDESC g_aArgBrkREM[] =
121	{
122	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
123	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
124	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
125	{ 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)" },
126	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
127	};
128
129
130	/** 'd?' arguments. */
131	static const DBGCVARDESC g_aArgDumpMem[] =
132	{
133	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
134	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start dumping memory." },
135	};
136
137
138	/** 'dg', 'dga', 'dl', 'dla' arguments. */
139	static const DBGCVARDESC g_aArgDumpDT[] =
140	{
141	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
142	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "sel", "Selector or selector range." },
143	{ 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Far address which selector should be dumped." },
144	};
145
146
147	/** 'di', 'dia' arguments. */
148	static const DBGCVARDESC g_aArgDumpIDT[] =
149	{
150	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
151	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "int", "The interrupt vector or interrupt vector range." },
152	};
153
154
155	/** 'dpd' arguments. /
156	static const DBGCVARDESC g_aArgDumpPD[] =
157	{
158	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
159	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "index", "Index into the page directory." },
160	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from. Range is applied to the page directory." },
161	};
162
163
164	/** 'dpda' arguments. */
165	static const DBGCVARDESC g_aArgDumpPDAddr[] =
166	{
167	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
168	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page directory entry to start dumping from." },
169	};
170
171
172	/** 'dph' arguments. /
173	static const DBGCVARDESC g_aArgDumpPH[] =
174	{
175	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
176	{ 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." },
177	{ 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." },
178	{ 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." },
179	};
180
181
182	/** 'dpt?' arguments. */
183	static const DBGCVARDESC g_aArgDumpPT[] =
184	{
185	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
186	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from." },
187	};
188
189
190	/** 'dpta' arguments. */
191	static const DBGCVARDESC g_aArgDumpPTAddr[] =
192	{
193	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
194	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page table entry to start dumping from." },
195	};
196
197
198	/** 'dt' arguments. */
199	static const DBGCVARDESC g_aArgDumpTSS[] =
200	{
201	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
202	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "tss", "TSS selector number." },
203	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "tss:ign\|addr", "TSS address. If the selector is a TSS selector, the offset will be ignored." }
204	};
205
206
207	/** 'e?' arguments. */
208	static const DBGCVARDESC g_aArgEditMem[] =
209	{
210	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
211	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to write." },
212	{ 1, ~0U, DBGCVAR_CAT_NUMBER, 0, "value", "Value to write." },
213	};
214
215
216	/** 'lm' arguments. */
217	static const DBGCVARDESC g_aArgListMods[] =
218	{
219	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
220	{ 0, ~0U, DBGCVAR_CAT_STRING, 0, "module", "Module name." },
221	};
222
223
224	/** 'ln' arguments. */
225	static const DBGCVARDESC g_aArgListNear[] =
226	{
227	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
228	{ 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Address of the symbol to look up." },
229	{ 0, ~0U, DBGCVAR_CAT_SYMBOL, 0, "symbol", "Symbol to lookup." },
230	};
231
232
233	/** 'ls' arguments. */
234	static const DBGCVARDESC g_aArgListSource[] =
235	{
236	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
237	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start looking for source lines." },
238	};
239
240
241	/** 'm' argument. */
242	static const DBGCVARDESC g_aArgMemoryInfo[] =
243	{
244	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
245	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Pointer to obtain info about." },
246	};
247
248
249	/** 'r' arguments. */
250	static const DBGCVARDESC g_aArgReg[] =
251	{
252	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
253	{ 0, 1, DBGCVAR_CAT_SYMBOL, 0, "register", "Register to show or set." },
254	{ 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "=", "Equal sign." },
255	{ 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "value", "New register value." },
256	};
257
258
259	/** 's' arguments. */
260	static const DBGCVARDESC g_aArgSearchMem[] =
261	{
262	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
263	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-b", "Byte string." },
264	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-w", "Word string." },
265	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-d", "DWord string." },
266	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-q", "QWord string." },
267	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-a", "ASCII string." },
268	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-u", "Unicode string." },
269	{ 0, 1, DBGCVAR_CAT_OPTION_NUMBER, 0, "-n <Hits>", "Maximum number of hits." },
270	{ 0, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
271	{ 0, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
272	};
273
274
275	/** 's?' arguments. */
276	static const DBGCVARDESC g_aArgSearchMemType[] =
277	{
278	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
279	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
280	{ 1, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
281	};
282
283
284	/** 'sxe', 'sxn', 'sxi', 'sx-' arguments. */
285	static const DBGCVARDESC g_aArgEventCtrl[] =
286	{
287	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
288	{ 0, 1, DBGCVAR_CAT_STRING, 0, "-c", "The -c option, requires <cmds>." },
289	{ 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "cmds", "Command to execute on this event." },
290	{ 0 /weird/, ~0U, DBGCVAR_CAT_STRING, 0, "event", "One or more events, 'all' refering to all events." },
291	};
292
293	/** 'sx' and 'sr' arguments. */
294	static const DBGCVARDESC g_aArgEventCtrlOpt[] =
295	{
296	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
297	{ 0, ~0U, DBGCVAR_CAT_STRING, 0, "event", "Zero or more events, 'all' refering to all events and being the default." },
298	};
299
300	/** 'u' arguments. */
301	static const DBGCVARDESC g_aArgUnassemble[] =
302	{
303	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
304	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." },
305	};
306
307
308	/** Command descriptors for the CodeView / WinDbg emulation.
309	* The emulation isn't attempting to be identical, only somewhat similar.
310	*/
311	const DBGCCMD g_aCmdsCodeView[] =
312	{
313	/* pszCmd, cArgsMin, cArgsMax, paArgDescs, cArgDescs, fFlags, pfnHandler pszSyntax, ....pszDescription */
314	{ "ba", 3, 6, &g_aArgBrkAcc[0], RT_ELEMENTS(g_aArgBrkAcc), 0, dbgcCmdBrkAccess, "<access> <size> <address> [passes [max passes]] [cmds]",
315	"Sets a data access breakpoint." },
316	{ "bc", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkClear, "all \| <bp#> [bp# []]", "Deletes a set of breakpoints." },
317	{ "bd", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkDisable, "all \| <bp#> [bp# []]", "Disables a set of breakpoints." },
318	{ "be", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkEnable, "all \| <bp#> [bp# []]", "Enables a set of breakpoints." },
319	{ "bl", 0, 0, NULL, 0, 0, dbgcCmdBrkList, "", "Lists all the breakpoints." },
320	{ "bp", 1, 4, &g_aArgBrkSet[0], RT_ELEMENTS(g_aArgBrkSet), 0, dbgcCmdBrkSet, "<address> [passes [max passes]] [cmds]",
321	"Sets a breakpoint (int 3)." },
322	{ "br", 1, 4, &g_aArgBrkREM[0], RT_ELEMENTS(g_aArgBrkREM), 0, dbgcCmdBrkREM, "<address> [passes [max passes]] [cmds]",
323	"Sets a recompiler specific breakpoint." },
324	{ "d", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory using last element size." },
325	{ "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
326	{ "db", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in bytes." },
327	{ "dd", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in double words." },
328	{ "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
329	{ "dg", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT)." },
330	{ "dga", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT) including not-present entries." },
331	{ "di", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT)." },
332	{ "dia", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT) including not-present entries." },
333	{ "dl", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT)." },
334	{ "dla", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT) including not-present entries." },
335	{ "dpd", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr\|index]", "Dumps page directory entries of the default context." },
336	{ "dpda", 0, 1, &g_aArgDumpPDAddr[0],RT_ELEMENTS(g_aArgDumpPDAddr), 0, dbgcCmdDumpPageDir, "[addr]", "Dumps memory at given address as a page directory." },
337	{ "dpdb", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDirBoth, "[addr\|index]", "Dumps page directory entries of the guest and the hypervisor. " },
338	{ "dpdg", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr\|index]", "Dumps page directory entries of the guest." },
339	{ "dpdh", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr\|index]", "Dumps page directory entries of the hypervisor. " },
340	{ "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." },
341	{ "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." },
342	{ "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." },
343	{ "dpt", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the default context." },
344	{ "dpta", 1, 1, &g_aArgDumpPTAddr[0],RT_ELEMENTS(g_aArgDumpPTAddr), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps memory at given address as a page table." },
345	{ "dptb", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTableBoth,"<addr>", "Dumps page table entries of the guest and the hypervisor." },
346	{ "dptg", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the guest." },
347	{ "dpth", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the hypervisor." },
348	{ "dq", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in quad words." },
349	{ "dt", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the task state segment (TSS)." },
350	{ "dt16", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the 16-bit task state segment (TSS)." },
351	{ "dt32", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the 32-bit task state segment (TSS)." },
352	{ "dt64", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the 64-bit task state segment (TSS)." },
353	{ "dw", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in words." },
354	/** @todo add 'e', 'ea str', 'eza str', 'eu str' and 'ezu str'. See also
355	* dbgcCmdSearchMem and its dbgcVarsToBytes usage. */
356	{ "eb", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 1-byte value to memory." },
357	{ "ew", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 2-byte value to memory." },
358	{ "ed", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 4-byte value to memory." },
359	{ "eq", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 8-byte value to memory." },
360	{ "g", 0, 0, NULL, 0, 0, dbgcCmdGo, "", "Continue execution." },
361	{ "k", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack." },
362	{ "kg", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - guest." },
363	{ "kh", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - hypervisor." },
364	{ "lm", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules." },
365	{ "lmv", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules, verbose." },
366	{ "lmo", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments." },
367	{ "lmov", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments, verbose." },
368	{ "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." },
369	{ "ls", 0, 1, &g_aArgListSource[0],RT_ELEMENTS(g_aArgListSource), 0, dbgcCmdListSource, "[addr]", "Source." },
370	{ "m", 1, 1, &g_aArgMemoryInfo[0],RT_ELEMENTS(g_aArgMemoryInfo), 0, dbgcCmdMemoryInfo, "<addr>", "Display information about that piece of memory." },
371	{ "r", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdReg, "[reg [[=] newval]]", "Show or set register(s) - active reg set." },
372	{ "rg", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegGuest, "[reg [[=] newval]]", "Show or set register(s) - guest reg set." },
373	{ "rg32", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 32-bit guest registers." },
374	{ "rg64", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 64-bit guest registers." },
375	{ "rh", 0, 3, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegHyper, "[reg [[=] newval]]", "Show or set register(s) - hypervisor reg set." },
376	{ "rt", 0, 0, NULL, 0, 0, dbgcCmdRegTerse, "", "Toggles terse / verbose register info." },
377	{ "s", 0, ~0U, &g_aArgSearchMem[0], RT_ELEMENTS(g_aArgSearchMem), 0, dbgcCmdSearchMem, "[options] <range> <pattern>", "Continue last search." },
378	{ "sa", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an ascii string." },
379	{ "sb", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more bytes." },
380	{ "sd", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more double words." },
381	{ "sq", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more quad words." },
382	{ "su", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an unicode string." },
383	{ "sw", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more words." },
384	{ "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." },
385	{ "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." },
386	{ "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." },
387	{ "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." },
388	{ "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." },
389	{ "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." },
390	{ "t", 0, 0, NULL, 0, 0, dbgcCmdTrace, "", "Instruction trace (step into)." },
391	{ "u", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble." },
392	{ "u64", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 64-bit code." },
393	{ "u32", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 32-bit code." },
394	{ "u16", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code." },
395	{ "uv86", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code with v8086/real mode addressing." },
396	};
397
398	/** The number of commands in the CodeView/WinDbg emulation. */
399	const uint32_t g_cCmdsCodeView = RT_ELEMENTS(g_aCmdsCodeView);
400
401
402	/**
403	* Selectable debug event descriptors.
404	*
405	* @remarks Sorted by DBGCSXEVT::enmType value.
406	*/
407	const DBGCSXEVT g_aDbgcSxEvents[] =
408	{
409	{ DBGFEVENT_INTERRUPT_HARDWARE, "hwint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled },
410	{ DBGFEVENT_INTERRUPT_SOFTWARE, "swint", NULL, kDbgcSxEventKind_Interrupt, kDbgcEvtState_Disabled },
411	{ DBGFEVENT_TRIPLE_FAULT, "triplefault", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Enabled },
412	{ DBGFEVENT_XCPT_DE, "xcpt_de", "de", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
413	{ DBGFEVENT_XCPT_DB, "xcpt_db", "db", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
414	{ DBGFEVENT_XCPT_02, "xcpt_02", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
415	{ DBGFEVENT_XCPT_BP, "xcpt_bp", "bp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
416	{ DBGFEVENT_XCPT_OF, "xcpt_of", "of", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
417	{ DBGFEVENT_XCPT_BR, "xcpt_br", "br", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
418	{ DBGFEVENT_XCPT_UD, "xcpt_ud", "ud", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
419	{ DBGFEVENT_XCPT_NM, "xcpt_nm", "nm", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
420	{ DBGFEVENT_XCPT_DF, "xcpt_df", "df", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
421	{ DBGFEVENT_XCPT_09, "xcpt_09", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
422	{ DBGFEVENT_XCPT_TS, "xcpt_ts", "ts", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
423	{ DBGFEVENT_XCPT_NP, "xcpt_np", "np", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
424	{ DBGFEVENT_XCPT_SS, "xcpt_ss", "ss", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
425	{ DBGFEVENT_XCPT_GP, "xcpt_gp", "gp", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
426	{ DBGFEVENT_XCPT_PF, "xcpt_pf", "pf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
427	{ DBGFEVENT_XCPT_0f, "xcpt_0f", "xcpt0f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
428	{ DBGFEVENT_XCPT_MF, "xcpt_mf", "mf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
429	{ DBGFEVENT_XCPT_AC, "xcpt_ac", "ac", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
430	{ DBGFEVENT_XCPT_MC, "xcpt_mc", "mc", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
431	{ DBGFEVENT_XCPT_XF, "xcpt_xf", "xf", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
432	{ DBGFEVENT_XCPT_VE, "xcpt_vd", "ve", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
433	{ DBGFEVENT_XCPT_15, "xcpt_15", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
434	{ DBGFEVENT_XCPT_16, "xcpt_16", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
435	{ DBGFEVENT_XCPT_17, "xcpt_17", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
436	{ DBGFEVENT_XCPT_18, "xcpt_18", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
437	{ DBGFEVENT_XCPT_19, "xcpt_19", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
438	{ DBGFEVENT_XCPT_1a, "xcpt_1a", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
439	{ DBGFEVENT_XCPT_1b, "xcpt_1b", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
440	{ DBGFEVENT_XCPT_1c, "xcpt_1c", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
441	{ DBGFEVENT_XCPT_1d, "xcpt_1d", NULL, kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
442	{ DBGFEVENT_XCPT_SX, "xcpt_sx", "sx", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
443	{ DBGFEVENT_XCPT_1f, "xcpt_1f", "xcpt1f", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
444	{ DBGFEVENT_INSTR_HALT, "instr_halt", "hlt", kDbgcSxEventKind_Plain, kDbgcEvtState_Disabled },
445	#if 0 /** @todo later */
446	{ DBGFEVENT_INSTR_MWAIT, "",
447	{ DBGFEVENT_INSTR_MONITOR, "",
448	{ DBGFEVENT_INSTR_CPUID, "",
449	{ DBGFEVENT_INSTR_INVD, "",
450	{ DBGFEVENT_INSTR_WBINVD, "",
451	{ DBGFEVENT_INSTR_INVLPG, "",
452	{ DBGFEVENT_INSTR_RDTSC, "",
453	{ DBGFEVENT_INSTR_RDTSCP, "",
454	{ DBGFEVENT_INSTR_RDPMC, "",
455	{ DBGFEVENT_INSTR_RDMSR, "",
456	{ DBGFEVENT_INSTR_WRMSR, "",
457	{ DBGFEVENT_INSTR_CRX_READ, "",
458	{ DBGFEVENT_INSTR_CRX_WRITE, "",
459	{ DBGFEVENT_INSTR_DRX_READ, "",
460	{ DBGFEVENT_INSTR_DRX_WRITE, "",
461	{ DBGFEVENT_INSTR_PAUSE, "",
462	{ DBGFEVENT_INSTR_XSETBV, "",
463	{ DBGFEVENT_INSTR_SIDT, "",
464	{ DBGFEVENT_INSTR_LIDT, "",
465	{ DBGFEVENT_INSTR_SGDT, "",
466	{ DBGFEVENT_INSTR_LGDT, "",
467	{ DBGFEVENT_INSTR_SLDT, "",
468	{ DBGFEVENT_INSTR_LLDT, "",
469	{ DBGFEVENT_INSTR_STR, "",
470	{ DBGFEVENT_INSTR_LTR, "",
471	{ DBGFEVENT_INSTR_GETSEC, "",
472	{ DBGFEVENT_INSTR_RSM, "",
473	{ DBGFEVENT_INSTR_RDRAND, "",
474	{ DBGFEVENT_INSTR_RDSEED, "",
475	{ DBGFEVENT_INSTR_XSAVES, "",
476	{ DBGFEVENT_INSTR_XRSTORS, "",
477	{ DBGFEVENT_INSTR_VMM_CALL, "",
478	{ DBGFEVENT_INSTR_VMX_VMCLEAR "",
479	{ DBGFEVENT_INSTR_VMX_VMLAUNCH, "",
480	{ DBGFEVENT_INSTR_VMX_VMPTRLD, "",
481	{ DBGFEVENT_INSTR_VMX_VMPTRST, "",
482	{ DBGFEVENT_INSTR_VMX_VMREAD, "",
483	{ DBGFEVENT_INSTR_VMX_VMRESUME, "",
484	{ DBGFEVENT_INSTR_VMX_VMWRITE, "",
485	{ DBGFEVENT_INSTR_VMX_VMXOFF, "",
486	{ DBGFEVENT_INSTR_VMX_VMXON, "",
487	{ DBGFEVENT_INSTR_VMX_VMFUNC, "",
488	{ DBGFEVENT_INSTR_VMX_INVEPT, "",
489	{ DBGFEVENT_INSTR_VMX_INVVPID, "",
490	{ DBGFEVENT_INSTR_VMX_INVPCID, "",
491	{ DBGFEVENT_INSTR_SVM_VMRUN "",
492	{ DBGFEVENT_INSTR_SVM_VMLOAD, "",
493	{ DBGFEVENT_INSTR_SVM_VMSAVE, "",
494	{ DBGFEVENT_INSTR_SVM_STGI, "",
495	{ DBGFEVENT_INSTR_SVM_CLGI, "",
496	{ DBGFEVENT_EXIT_TASK_SWITCH "",
497	{ DBGFEVENT_EXIT_HALT, "",
498	{ DBGFEVENT_EXIT_MWAIT, "",
499	{ DBGFEVENT_EXIT_MONITOR, "",
500	{ DBGFEVENT_EXIT_CPUID, "",
501	{ DBGFEVENT_EXIT_INVD, "",
502	{ DBGFEVENT_EXIT_WBINVD, "",
503	{ DBGFEVENT_EXIT_INVLPG, "",
504	{ DBGFEVENT_EXIT_RDTSC, "",
505	{ DBGFEVENT_EXIT_RDTSCP, "",
506	{ DBGFEVENT_EXIT_RDPMC, "",
507	{ DBGFEVENT_EXIT_RDMSR, "",
508	{ DBGFEVENT_EXIT_WRMSR, "",
509	{ DBGFEVENT_EXIT_CRX_READ, "",
510	{ DBGFEVENT_EXIT_CRX_WRITE, "",
511	{ DBGFEVENT_EXIT_DRX_READ, "",
512	{ DBGFEVENT_EXIT_DRX_WRITE, "",
513	{ DBGFEVENT_EXIT_PAUSE, "",
514	{ DBGFEVENT_EXIT_XSETBV, "",
515	{ DBGFEVENT_EXIT_SIDT, "",
516	{ DBGFEVENT_EXIT_LIDT, "",
517	{ DBGFEVENT_EXIT_SGDT, "",
518	{ DBGFEVENT_EXIT_LGDT, "",
519	{ DBGFEVENT_EXIT_SLDT, "",
520	{ DBGFEVENT_EXIT_LLDT, "",
521	{ DBGFEVENT_EXIT_STR, "",
522	{ DBGFEVENT_EXIT_LTR, "",
523	{ DBGFEVENT_EXIT_GETSEC, "",
524	{ DBGFEVENT_EXIT_RSM, "",
525	{ DBGFEVENT_EXIT_RDRAND, "",
526	{ DBGFEVENT_EXIT_RDSEED, "",
527	{ DBGFEVENT_EXIT_XSAVES, "",
528	{ DBGFEVENT_EXIT_XRSTORS, "",
529	{ DBGFEVENT_EXIT_VMM_CALL, "",
530	{ DBGFEVENT_EXIT_VMX_VMCLEAR "",
531	{ DBGFEVENT_EXIT_VMX_VMLAUNCH, "",
532	{ DBGFEVENT_EXIT_VMX_VMPTRLD, "",
533	{ DBGFEVENT_EXIT_VMX_VMPTRST, "",
534	{ DBGFEVENT_EXIT_VMX_VMREAD, "",
535	{ DBGFEVENT_EXIT_VMX_VMRESUME, "",
536	{ DBGFEVENT_EXIT_VMX_VMWRITE, "",
537	{ DBGFEVENT_EXIT_VMX_VMXOFF, "",
538	{ DBGFEVENT_EXIT_VMX_VMXON, "",
539	{ DBGFEVENT_EXIT_VMX_VMFUNC, "",
540	{ DBGFEVENT_EXIT_VMX_INVEPT, "",
541	{ DBGFEVENT_EXIT_VMX_INVVPID, "",
542	{ DBGFEVENT_EXIT_VMX_INVPCID, "",
543	{ DBGFEVENT_EXIT_VMX_EPT_VIOLATION, "",
544	{ DBGFEVENT_EXIT_VMX_EPT_MISCONFIG, "",
545	{ DBGFEVENT_EXIT_VMX_VAPIC_ACCESS, "",
546	{ DBGFEVENT_EXIT_VMX_VAPIC_WRITE, "",
547	{ DBGFEVENT_EXIT_SVM_VMRUN "",
548	{ DBGFEVENT_EXIT_SVM_VMLOAD, "",
549	{ DBGFEVENT_EXIT_SVM_VMSAVE, "",
550	{ DBGFEVENT_EXIT_SVM_STGI, "",
551	{ DBGFEVENT_EXIT_SVM_CLGI, "",
552	{ DBGFEVENT_IOPORT_UNASSIGNED, "",
553	{ DBGFEVENT_IOPORT_UNUSED, "",
554	{ DBGFEVENT_MEMORY_UNASSIGNED, "",
555	{ DBGFEVENT_MEMORY_ROM_WRITE, "",
556	#endif
557	};
558	/** Number of entries in g_aDbgcSxEvents. */
559	const uint32_t g_cDbgcSxEvents = RT_ELEMENTS(g_aDbgcSxEvents);
560
561
562
563	/**
564	* @callback_method_impl{FNDBGCCMD, The 'go' command.}
565	*/
566	static DECLCALLBACK(int) dbgcCmdGo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
567	{
568	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
569
570	/*
571	* Check if the VM is halted or not before trying to resume it.
572	*/
573	if (!DBGFR3IsHalted(pUVM))
574	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The VM is already running");
575
576	int rc = DBGFR3Resume(pUVM);
577	if (RT_FAILURE(rc))
578	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3Resume");
579
580	NOREF(paArgs); NOREF(cArgs);
581	return VINF_SUCCESS;
582	}
583
584
585	/**
586	* @callback_method_impl{FNDBGCCMD, The 'ba' command.}
587	*/
588	static DECLCALLBACK(int) dbgcCmdBrkAccess(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
589	{
590	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
591
592	/*
593	* Interpret access type.
594	*/
595	if ( !strchr("xrwi", paArgs[0].u.pszString[0])
596	\|\| paArgs[0].u.pszString[1])
597	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access type '%s' for '%s'. Valid types are 'e', 'r', 'w' and 'i'",
598	paArgs[0].u.pszString, pCmd->pszCmd);
599	uint8_t fType = 0;
600	switch (paArgs[0].u.pszString[0])
601	{
602	case 'x': fType = X86_DR7_RW_EO; break;
603	case 'r': fType = X86_DR7_RW_RW; break;
604	case 'w': fType = X86_DR7_RW_WO; break;
605	case 'i': fType = X86_DR7_RW_IO; break;
606	}
607
608	/*
609	* Validate size.
610	*/
611	if (fType == X86_DR7_RW_EO && paArgs[1].u.u64Number != 1)
612	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 'x' access type requires size 1!",
613	paArgs[1].u.u64Number, pCmd->pszCmd);
614	switch (paArgs[1].u.u64Number)
615	{
616	case 1:
617	case 2:
618	case 4:
619	break;
620	/case 8: - later/
621	default:
622	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 1, 2 or 4!",
623	paArgs[1].u.u64Number, pCmd->pszCmd);
624	}
625	uint8_t cb = (uint8_t)paArgs[1].u.u64Number;
626
627	/*
628	* Convert the pointer to a DBGF address.
629	*/
630	DBGFADDRESS Address;
631	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[2], &Address);
632	if (RT_FAILURE(rc))
633	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%DV,)", &paArgs[2]);
634
635	/*
636	* Pick out the optional arguments.
637	*/
638	uint64_t iHitTrigger = 0;
639	uint64_t iHitDisable = ~0;
640	const char *pszCmds = NULL;
641	unsigned iArg = 3;
642	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
643	{
644	iHitTrigger = paArgs[iArg].u.u64Number;
645	iArg++;
646	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
647	{
648	iHitDisable = paArgs[iArg].u.u64Number;
649	iArg++;
650	}
651	}
652	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
653	{
654	pszCmds = paArgs[iArg].u.pszString;
655	iArg++;
656	}
657
658	/*
659	* Try set the breakpoint.
660	*/
661	uint32_t iBp;
662	rc = DBGFR3BpSetReg(pUVM, &Address, iHitTrigger, iHitDisable, fType, cb, &iBp);
663	if (RT_SUCCESS(rc))
664	{
665	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
666	rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
667	if (RT_SUCCESS(rc))
668	return DBGCCmdHlpPrintf(pCmdHlp, "Set access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
669	if (rc == VERR_DBGC_BP_EXISTS)
670	{
671	rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
672	if (RT_SUCCESS(rc))
673	return DBGCCmdHlpPrintf(pCmdHlp, "Updated access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
674	}
675	int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
676	AssertRC(rc2);
677	}
678	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set access breakpoint at %RGv", Address.FlatPtr);
679	}
680
681
682	/**
683	* @callback_method_impl{FNDBGCCMD, The 'bc' command.}
684	*/
685	static DECLCALLBACK(int) dbgcCmdBrkClear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
686	{
687	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
688
689	/*
690	* Enumerate the arguments.
691	*/
692	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
693	int rc = VINF_SUCCESS;
694	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
695	{
696	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
697	{
698	/* one */
699	uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
700	if (iBp == paArgs[iArg].u.u64Number)
701	{
702	int rc2 = DBGFR3BpClear(pUVM, iBp);
703	if (RT_FAILURE(rc2))
704	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
705	if (RT_SUCCESS(rc2) \|\| rc2 == VERR_DBGF_BP_NOT_FOUND)
706	dbgcBpDelete(pDbgc, iBp);
707	}
708	else
709	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
710	}
711	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
712	{
713	/* all */
714	PDBGCBP pBp = pDbgc->pFirstBp;
715	while (pBp)
716	{
717	uint32_t iBp = pBp->iBp;
718	pBp = pBp->pNext;
719
720	int rc2 = DBGFR3BpClear(pUVM, iBp);
721	if (RT_FAILURE(rc2))
722	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
723	if (RT_SUCCESS(rc2) \|\| rc2 == VERR_DBGF_BP_NOT_FOUND)
724	dbgcBpDelete(pDbgc, iBp);
725	}
726	}
727	else
728	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
729	}
730	return rc;
731	}
732
733
734	/**
735	* @callback_method_impl{FNDBGCCMD, The 'bd' command.}
736	*/
737	static DECLCALLBACK(int) dbgcCmdBrkDisable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
738	{
739	/*
740	* Enumerate the arguments.
741	*/
742	int rc = VINF_SUCCESS;
743	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
744	{
745	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
746	{
747	/* one */
748	uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
749	if (iBp == paArgs[iArg].u.u64Number)
750	{
751	rc = DBGFR3BpDisable(pUVM, iBp);
752	if (RT_FAILURE(rc))
753	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpDisable failed for breakpoint %#x", iBp);
754	}
755	else
756	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
757	}
758	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
759	{
760	/* all */
761	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
762	for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
763	{
764	int rc2 = DBGFR3BpDisable(pUVM, pBp->iBp);
765	if (RT_FAILURE(rc2))
766	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpDisable failed for breakpoint %#x", pBp->iBp);
767	}
768	}
769	else
770	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
771	}
772	return rc;
773	}
774
775
776	/**
777	* @callback_method_impl{FNDBGCCMD, The 'be' command.}
778	*/
779	static DECLCALLBACK(int) dbgcCmdBrkEnable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
780	{
781	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
782
783	/*
784	* Enumerate the arguments.
785	*/
786	int rc = VINF_SUCCESS;
787	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
788	{
789	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
790	{
791	/* one */
792	uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
793	if (iBp == paArgs[iArg].u.u64Number)
794	{
795	rc = DBGFR3BpEnable(pUVM, iBp);
796	if (RT_FAILURE(rc))
797	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnable failed for breakpoint %#x", iBp);
798	}
799	else
800	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
801	}
802	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
803	{
804	/* all */
805	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
806	for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
807	{
808	int rc2 = DBGFR3BpEnable(pUVM, pBp->iBp);
809	if (RT_FAILURE(rc2))
810	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpEnable failed for breakpoint %#x", pBp->iBp);
811	}
812	}
813	else
814	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
815	}
816	return rc;
817	}
818
819
820	/**
821	* Breakpoint enumeration callback function.
822	*
823	* @returns VBox status code. Any failure will stop the enumeration.
824	* @param pUVM The user mode VM handle.
825	* @param pvUser The user argument.
826	* @param pBp Pointer to the breakpoint information. (readonly)
827	*/
828	static DECLCALLBACK(int) dbgcEnumBreakpointsCallback(PUVM pUVM, void *pvUser, PCDBGFBP pBp)
829	{
830	PDBGC pDbgc = (PDBGC)pvUser;
831	PDBGCBP pDbgcBp = dbgcBpGet(pDbgc, pBp->iBp);
832
833	/*
834	* BP type and size.
835	*/
836	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%#4x %c ", pBp->iBp, pBp->fEnabled ? 'e' : 'd');
837	bool fHasAddress = false;
838	switch (pBp->enmType)
839	{
840	case DBGFBPTYPE_INT3:
841	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " p %RGv", pBp->u.Int3.GCPtr);
842	fHasAddress = true;
843	break;
844	case DBGFBPTYPE_REG:
845	{
846	char chType;
847	switch (pBp->u.Reg.fType)
848	{
849	case X86_DR7_RW_EO: chType = 'x'; break;
850	case X86_DR7_RW_WO: chType = 'w'; break;
851	case X86_DR7_RW_IO: chType = 'i'; break;
852	case X86_DR7_RW_RW: chType = 'r'; break;
853	default: chType = '?'; break;
854
855	}
856	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%d %c %RGv", pBp->u.Reg.cb, chType, pBp->u.Reg.GCPtr);
857	fHasAddress = true;
858	break;
859	}
860
861	case DBGFBPTYPE_REM:
862	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " r %RGv", pBp->u.Rem.GCPtr);
863	fHasAddress = true;
864	break;
865
866	/** @todo realign the list when I/O and MMIO breakpoint command have been added and it's possible to test this code. */
867	case DBGFBPTYPE_PORT_IO:
868	case DBGFBPTYPE_MMIO:
869	{
870	uint32_t fAccess = pBp->enmType == DBGFBPTYPE_PORT_IO ? pBp->u.PortIo.fAccess : pBp->u.Mmio.fAccess;
871	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, pBp->enmType == DBGFBPTYPE_PORT_IO ? " i" : " m");
872	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
873	fAccess & DBGFBPIOACCESS_READ_MASK ? 'r' : '-',
874	fAccess & DBGFBPIOACCESS_READ_BYTE ? '1' : '-',
875	fAccess & DBGFBPIOACCESS_READ_WORD ? '2' : '-',
876	fAccess & DBGFBPIOACCESS_READ_DWORD ? '4' : '-',
877	fAccess & DBGFBPIOACCESS_READ_QWORD ? '8' : '-',
878	fAccess & DBGFBPIOACCESS_READ_OTHER ? '+' : '-');
879	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %c%c%c%c%c%c",
880	fAccess & DBGFBPIOACCESS_WRITE_MASK ? 'w' : '-',
881	fAccess & DBGFBPIOACCESS_WRITE_BYTE ? '1' : '-',
882	fAccess & DBGFBPIOACCESS_WRITE_WORD ? '2' : '-',
883	fAccess & DBGFBPIOACCESS_WRITE_DWORD ? '4' : '-',
884	fAccess & DBGFBPIOACCESS_WRITE_QWORD ? '8' : '-',
885	fAccess & DBGFBPIOACCESS_WRITE_OTHER ? '+' : '-');
886	if (pBp->enmType == DBGFBPTYPE_PORT_IO)
887	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04x-%04x",
888	pBp->u.PortIo.uPort, pBp->u.PortIo.uPort + pBp->u.PortIo.cPorts - 1);
889	else
890	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%RGp LB %03x", pBp->u.Mmio.PhysAddr, pBp->u.Mmio.cb);
891	break;
892	}
893
894	default:
895	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " unknown type %d!!", pBp->enmType);
896	AssertFailed();
897	break;
898
899	}
900	if (pBp->iHitDisable == ~(uint64_t)0)
901	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to ~0) ", pBp->cHits, pBp->iHitTrigger);
902	else
903	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " %04RX64 (%04RX64 to %04RX64)", pBp->cHits, pBp->iHitTrigger, pBp->iHitDisable);
904
905	/*
906	* Try resolve the address if it has one.
907	*/
908	if (fHasAddress)
909	{
910	RTDBGSYMBOL Sym;
911	RTINTPTR off;
912	DBGFADDRESS Addr;
913	int rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, pBp->u.GCPtr),
914	RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL, &off, &Sym, NULL);
915	if (RT_SUCCESS(rc))
916	{
917	if (!off)
918	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s", Sym.szName);
919	else if (off > 0)
920	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s+%RGv", Sym.szName, off);
921	else
922	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s-%RGv", Sym.szName, -off);
923	}
924	}
925
926	/*
927	* The commands.
928	*/
929	if (pDbgcBp)
930	{
931	if (pDbgcBp->cchCmd)
932	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n cmds: '%s'\n", pDbgcBp->szCmd);
933	else
934	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n");
935	}
936	else
937	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " [unknown bp]\n");
938
939	return VINF_SUCCESS;
940	}
941
942
943	/**
944	* @callback_method_impl{FNDBGCCMD, The 'bl' command.}
945	*/
946	static DECLCALLBACK(int) dbgcCmdBrkList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
947	{
948	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
949	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs == 0);
950	NOREF(paArgs);
951
952	/*
953	* Enumerate the breakpoints.
954	*/
955	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
956	int rc = DBGFR3BpEnum(pUVM, dbgcEnumBreakpointsCallback, pDbgc);
957	if (RT_FAILURE(rc))
958	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnum");
959	return rc;
960	}
961
962
963	/**
964	* @callback_method_impl{FNDBGCCMD, The 'bp' command.}
965	*/
966	static DECLCALLBACK(int) dbgcCmdBrkSet(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
967	{
968	/*
969	* Convert the pointer to a DBGF address.
970	*/
971	DBGFADDRESS Address;
972	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
973	if (RT_FAILURE(rc))
974	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
975
976	/*
977	* Pick out the optional arguments.
978	*/
979	uint64_t iHitTrigger = 0;
980	uint64_t iHitDisable = ~0;
981	const char *pszCmds = NULL;
982	unsigned iArg = 1;
983	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
984	{
985	iHitTrigger = paArgs[iArg].u.u64Number;
986	iArg++;
987	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
988	{
989	iHitDisable = paArgs[iArg].u.u64Number;
990	iArg++;
991	}
992	}
993	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
994	{
995	pszCmds = paArgs[iArg].u.pszString;
996	iArg++;
997	}
998
999	/*
1000	* Try set the breakpoint.
1001	*/
1002	uint32_t iBp;
1003	rc = DBGFR3BpSet(pUVM, &Address, iHitTrigger, iHitDisable, &iBp);
1004	if (RT_SUCCESS(rc))
1005	{
1006	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1007	rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1008	if (RT_SUCCESS(rc))
1009	return DBGCCmdHlpPrintf(pCmdHlp, "Set breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1010	if (rc == VERR_DBGC_BP_EXISTS)
1011	{
1012	rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1013	if (RT_SUCCESS(rc))
1014	return DBGCCmdHlpPrintf(pCmdHlp, "Updated breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1015	}
1016	int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1017	AssertRC(rc2);
1018	}
1019	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set breakpoint at %RGv", Address.FlatPtr);
1020	}
1021
1022
1023	/**
1024	* @callback_method_impl{FNDBGCCMD, The 'br' command.}
1025	*/
1026	static DECLCALLBACK(int) dbgcCmdBrkREM(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1027	{
1028	/*
1029	* Convert the pointer to a DBGF address.
1030	*/
1031	DBGFADDRESS Address;
1032	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
1033	if (RT_FAILURE(rc))
1034	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
1035
1036	/*
1037	* Pick out the optional arguments.
1038	*/
1039	uint64_t iHitTrigger = 0;
1040	uint64_t iHitDisable = ~0;
1041	const char *pszCmds = NULL;
1042	unsigned iArg = 1;
1043	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1044	{
1045	iHitTrigger = paArgs[iArg].u.u64Number;
1046	iArg++;
1047	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1048	{
1049	iHitDisable = paArgs[iArg].u.u64Number;
1050	iArg++;
1051	}
1052	}
1053	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
1054	{
1055	pszCmds = paArgs[iArg].u.pszString;
1056	iArg++;
1057	}
1058
1059	/*
1060	* Try set the breakpoint.
1061	*/
1062	uint32_t iBp;
1063	rc = DBGFR3BpSetREM(pUVM, &Address, iHitTrigger, iHitDisable, &iBp);
1064	if (RT_SUCCESS(rc))
1065	{
1066	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1067	rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
1068	if (RT_SUCCESS(rc))
1069	return DBGCCmdHlpPrintf(pCmdHlp, "Set REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1070	if (rc == VERR_DBGC_BP_EXISTS)
1071	{
1072	rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
1073	if (RT_SUCCESS(rc))
1074	return DBGCCmdHlpPrintf(pCmdHlp, "Updated REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
1075	}
1076	int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
1077	AssertRC(rc2);
1078	}
1079	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set REM breakpoint at %RGv", Address.FlatPtr);
1080	}
1081
1082
1083	/**
1084	* Helps the unassmble ('u') command display symbols it starts at and passes.
1085	*
1086	* @param pUVM The user mode VM handle.
1087	* @param pCmdHlp The command helpers for printing via.
1088	* @param hDbgAs The address space to look up addresses in.
1089	* @param pAddress The current address.
1090	* @param pcbCallAgain Where to return the distance to the next check (in
1091	* instruction bytes).
1092	*/
1093	static void dbgcCmdUnassambleHelpListNear(PUVM pUVM, PDBGCCMDHLP pCmdHlp, RTDBGAS hDbgAs, PCDBGFADDRESS pAddress,
1094	PRTUINTPTR pcbCallAgain)
1095	{
1096	RTDBGSYMBOL Symbol;
1097	RTGCINTPTR offDispSym;
1098	int rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress, RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL, &offDispSym, &Symbol, NULL);
1099	if (RT_FAILURE(rc) \|\| offDispSym > _1G)
1100	rc = DBGFR3AsSymbolByAddr(pUVM, hDbgAs, pAddress, RTDBGSYMADDR_FLAGS_GREATER_OR_EQUAL, &offDispSym, &Symbol, NULL);
1101	if (RT_SUCCESS(rc) && offDispSym < _1G)
1102	{
1103	if (!offDispSym)
1104	{
1105	DBGCCmdHlpPrintf(pCmdHlp, "%s:\n", Symbol.szName);
1106	*pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb;
1107	}
1108	else if (offDispSym > 0)
1109	{
1110	DBGCCmdHlpPrintf(pCmdHlp, "%s+%#llx:\n", Symbol.szName, (uint64_t)offDispSym);
1111	*pcbCallAgain = !Symbol.cb ? 64 : Symbol.cb > (RTGCUINTPTR)offDispSym ? Symbol.cb - (RTGCUINTPTR)offDispSym : 1;
1112	}
1113	else
1114	{
1115	DBGCCmdHlpPrintf(pCmdHlp, "%s-%#llx:\n", Symbol.szName, (uint64_t)-offDispSym);
1116	*pcbCallAgain = !Symbol.cb ? 64 : (RTGCUINTPTR)-offDispSym + Symbol.cb;
1117	}
1118	}
1119	else
1120	*pcbCallAgain = UINT32_MAX;
1121	}
1122
1123
1124	/**
1125	* @callback_method_impl{FNDBGCCMD, The 'u' command.}
1126	*/
1127	static DECLCALLBACK(int) dbgcCmdUnassemble(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1128	{
1129	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1130
1131	/*
1132	* Validate input.
1133	*/
1134	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1135	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
1136	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 \|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
1137
1138	if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1139	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
1140
1141	/*
1142	* Check the desired mode.
1143	*/
1144	unsigned fFlags = DBGF_DISAS_FLAGS_NO_ADDRESS \| DBGF_DISAS_FLAGS_UNPATCHED_BYTES \| DBGF_DISAS_FLAGS_ANNOTATE_PATCHED;
1145	switch (pCmd->pszCmd[1])
1146	{
1147	default: AssertFailed();
1148	case '\0': fFlags \|= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
1149	case '6': fFlags \|= DBGF_DISAS_FLAGS_64BIT_MODE; break;
1150	case '3': fFlags \|= DBGF_DISAS_FLAGS_32BIT_MODE; break;
1151	case '1': fFlags \|= DBGF_DISAS_FLAGS_16BIT_MODE; break;
1152	case 'v': fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
1153	}
1154
1155	/** @todo should use DBGFADDRESS for everything */
1156
1157	/*
1158	* Find address.
1159	*/
1160	if (!cArgs)
1161	{
1162	if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
1163	{
1164	/** @todo Batch query CS, RIP, CPU mode and flags. */
1165	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
1166	if ( pDbgc->fRegCtxGuest
1167	&& CPUMIsGuestIn64BitCode(pVCpu))
1168	{
1169	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
1170	pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
1171	}
1172	else
1173	{
1174	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
1175	pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
1176	pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
1177	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE
1178	&& pDbgc->fRegCtxGuest
1179	&& (CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM))
1180	{
1181	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1182	fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE;
1183	}
1184	}
1185
1186	if (pDbgc->fRegCtxGuest)
1187	fFlags \|= DBGF_DISAS_FLAGS_CURRENT_GUEST;
1188	else
1189	fFlags \|= DBGF_DISAS_FLAGS_CURRENT_HYPER \| DBGF_DISAS_FLAGS_HYPER;
1190	}
1191	else if ((fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_DEFAULT_MODE && pDbgc->fDisasm)
1192	{
1193	fFlags &= ~DBGF_DISAS_FLAGS_MODE_MASK;
1194	fFlags \|= pDbgc->fDisasm & (DBGF_DISAS_FLAGS_MODE_MASK \| DBGF_DISAS_FLAGS_HYPER);
1195	}
1196	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
1197	}
1198	else
1199	pDbgc->DisasmPos = paArgs[0];
1200	pDbgc->pLastPos = &pDbgc->DisasmPos;
1201
1202	/*
1203	* Range.
1204	*/
1205	switch (pDbgc->DisasmPos.enmRangeType)
1206	{
1207	case DBGCVAR_RANGE_NONE:
1208	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
1209	pDbgc->DisasmPos.u64Range = 10;
1210	break;
1211
1212	case DBGCVAR_RANGE_ELEMENTS:
1213	if (pDbgc->DisasmPos.u64Range > 2048)
1214	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
1215	break;
1216
1217	case DBGCVAR_RANGE_BYTES:
1218	if (pDbgc->DisasmPos.u64Range > 65536)
1219	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
1220	break;
1221
1222	default:
1223	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
1224	}
1225
1226	/*
1227	* Convert physical and host addresses to guest addresses.
1228	*/
1229	RTDBGAS hDbgAs = pDbgc->hDbgAs;
1230	int rc;
1231	switch (pDbgc->DisasmPos.enmType)
1232	{
1233	case DBGCVAR_TYPE_GC_FLAT:
1234	case DBGCVAR_TYPE_GC_FAR:
1235	break;
1236	case DBGCVAR_TYPE_GC_PHYS:
1237	hDbgAs = DBGF_AS_PHYS;
1238	case DBGCVAR_TYPE_HC_FLAT:
1239	case DBGCVAR_TYPE_HC_PHYS:
1240	{
1241	DBGCVAR VarTmp;
1242	rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
1243	if (RT_FAILURE(rc))
1244	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
1245	pDbgc->DisasmPos = VarTmp;
1246	break;
1247	}
1248	default: AssertFailed(); break;
1249	}
1250
1251	DBGFADDRESS CurAddr;
1252	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1253	&& pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1254	DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1255	else
1256	{
1257	rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1258	if (RT_FAILURE(rc))
1259	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr failed on '%Dv'", &pDbgc->DisasmPos);
1260	}
1261
1262	if (CurAddr.fFlags & DBGFADDRESS_FLAGS_HMA)
1263	fFlags \|= DBGF_DISAS_FLAGS_HYPER; /* This crap is due to not using DBGFADDRESS as DBGFR3Disas* input. */
1264	pDbgc->fDisasm = fFlags;
1265
1266	/*
1267	* Figure out where we are and display it. Also calculate when we need to
1268	* check for a new symbol if possible.
1269	*/
1270	RTGCUINTPTR cbCheckSymbol;
1271	dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1272
1273	/*
1274	* Do the disassembling.
1275	*/
1276	unsigned cTries = 32;
1277	int iRangeLeft = (int)pDbgc->DisasmPos.u64Range;
1278	if (iRangeLeft == 0) /* kludge for 'r'. */
1279	iRangeLeft = -1;
1280	for (;;)
1281	{
1282	/*
1283	* Disassemble the instruction.
1284	*/
1285	char szDis[256];
1286	uint32_t cbInstr = 1;
1287	if (pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FLAT)
1288	rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, DBGF_SEL_FLAT, pDbgc->DisasmPos.u.GCFlat, fFlags,
1289	&szDis[0], sizeof(szDis), &cbInstr);
1290	else
1291	rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, pDbgc->DisasmPos.u.GCFar.sel, pDbgc->DisasmPos.u.GCFar.off, fFlags,
1292	&szDis[0], sizeof(szDis), &cbInstr);
1293	if (RT_SUCCESS(rc))
1294	{
1295	/* print it */
1296	rc = DBGCCmdHlpPrintf(pCmdHlp, "%-16DV %s\n", &pDbgc->DisasmPos, &szDis[0]);
1297	if (RT_FAILURE(rc))
1298	return rc;
1299	}
1300	else
1301	{
1302	/* bitch. */
1303	int rc2 = DBGCCmdHlpPrintf(pCmdHlp, "Failed to disassemble instruction, skipping one byte.\n");
1304	if (RT_FAILURE(rc2))
1305	return rc2;
1306	if (cTries-- > 0)
1307	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Too many disassembly failures. Giving up");
1308	cbInstr = 1;
1309	}
1310
1311	/* advance */
1312	if (iRangeLeft < 0) /* 'r' */
1313	break;
1314	if (pDbgc->DisasmPos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
1315	iRangeLeft--;
1316	else
1317	iRangeLeft -= cbInstr;
1318	rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DisasmPos, "(%Dv) + %x", &pDbgc->DisasmPos, cbInstr);
1319	if (RT_FAILURE(rc))
1320	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpEval(,,'(%Dv) + %x')", &pDbgc->DisasmPos, cbInstr);
1321	if (iRangeLeft <= 0)
1322	break;
1323	fFlags &= ~(DBGF_DISAS_FLAGS_CURRENT_GUEST \| DBGF_DISAS_FLAGS_CURRENT_HYPER);
1324
1325	/* Print next symbol? */
1326	if (cbCheckSymbol <= cbInstr)
1327	{
1328	if ( (fFlags & DBGF_DISAS_FLAGS_MODE_MASK) == DBGF_DISAS_FLAGS_16BIT_REAL_MODE
1329	&& pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FAR)
1330	DBGFR3AddrFromFlat(pUVM, &CurAddr, ((uint32_t)pDbgc->DisasmPos.u.GCFar.sel << 4) + pDbgc->DisasmPos.u.GCFar.off);
1331	else
1332	rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->DisasmPos, &CurAddr);
1333	if (RT_SUCCESS(rc))
1334	dbgcCmdUnassambleHelpListNear(pUVM, pCmdHlp, hDbgAs, &CurAddr, &cbCheckSymbol);
1335	else
1336	cbCheckSymbol = UINT32_MAX;
1337	}
1338	else
1339	cbCheckSymbol -= cbInstr;
1340	}
1341
1342	NOREF(pCmd);
1343	return VINF_SUCCESS;
1344	}
1345
1346
1347	/**
1348	* @callback_method_impl{FNDBGCCMD, The 'ls' command.}
1349	*/
1350	static DECLCALLBACK(int) dbgcCmdListSource(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1351	{
1352	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1353
1354	/*
1355	* Validate input.
1356	*/
1357	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
1358	if (cArgs == 1)
1359	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
1360	if (!pUVM && !cArgs && !DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
1361	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start listing...");
1362	if (!pUVM && cArgs && DBGCVAR_ISGCPOINTER(paArgs[0].enmType))
1363	return DBGCCmdHlpFail(pCmdHlp, pCmd, "GC address but no VM");
1364
1365	/*
1366	* Find address.
1367	*/
1368	if (!cArgs)
1369	{
1370	if (!DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
1371	{
1372	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
1373	pDbgc->SourcePos.enmType = DBGCVAR_TYPE_GC_FAR;
1374	pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
1375	pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
1376	}
1377	pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_NONE;
1378	}
1379	else
1380	pDbgc->SourcePos = paArgs[0];
1381	pDbgc->pLastPos = &pDbgc->SourcePos;
1382
1383	/*
1384	* Ensure the source address is flat GC.
1385	*/
1386	switch (pDbgc->SourcePos.enmType)
1387	{
1388	case DBGCVAR_TYPE_GC_FLAT:
1389	break;
1390	case DBGCVAR_TYPE_GC_PHYS:
1391	case DBGCVAR_TYPE_GC_FAR:
1392	case DBGCVAR_TYPE_HC_FLAT:
1393	case DBGCVAR_TYPE_HC_PHYS:
1394	{
1395	int rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "%%(%Dv)", &pDbgc->SourcePos);
1396	if (RT_FAILURE(rc))
1397	return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid address or address type. (rc=%d)\n", rc);
1398	break;
1399	}
1400	default: AssertFailed(); break;
1401	}
1402
1403	/*
1404	* Range.
1405	*/
1406	switch (pDbgc->SourcePos.enmRangeType)
1407	{
1408	case DBGCVAR_RANGE_NONE:
1409	pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
1410	pDbgc->SourcePos.u64Range = 10;
1411	break;
1412
1413	case DBGCVAR_RANGE_ELEMENTS:
1414	if (pDbgc->SourcePos.u64Range > 2048)
1415	return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many lines requested. Max is 2048 lines.\n");
1416	break;
1417
1418	case DBGCVAR_RANGE_BYTES:
1419	if (pDbgc->SourcePos.u64Range > 65536)
1420	return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
1421	break;
1422
1423	default:
1424	return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->SourcePos.enmRangeType);
1425	}
1426
1427	/*
1428	* Do the disassembling.
1429	*/
1430	bool fFirst = 1;
1431	RTDBGLINE LinePrev = { 0, 0, 0, 0, 0, "" };
1432	int iRangeLeft = (int)pDbgc->SourcePos.u64Range;
1433	if (iRangeLeft == 0) /* kludge for 'r'. */
1434	iRangeLeft = -1;
1435	for (;;)
1436	{
1437	/*
1438	* Get line info.
1439	*/
1440	RTDBGLINE Line;
1441	RTGCINTPTR off;
1442	DBGFADDRESS SourcePosAddr;
1443	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &pDbgc->SourcePos, &SourcePosAddr);
1444	if (RT_FAILURE(rc))
1445	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%Dv)", &pDbgc->SourcePos);
1446	rc = DBGFR3AsLineByAddr(pUVM, pDbgc->hDbgAs, &SourcePosAddr, &off, &Line, NULL);
1447	if (RT_FAILURE(rc))
1448	return VINF_SUCCESS;
1449
1450	unsigned cLines = 0;
1451	if (memcmp(&Line, &LinePrev, sizeof(Line)))
1452	{
1453	/*
1454	* Print filenamename
1455	*/
1456	if (!fFirst && strcmp(Line.szFilename, LinePrev.szFilename))
1457	fFirst = true;
1458	if (fFirst)
1459	{
1460	rc = DBGCCmdHlpPrintf(pCmdHlp, "[%s @ %d]\n", Line.szFilename, Line.uLineNo);
1461	if (RT_FAILURE(rc))
1462	return rc;
1463	}
1464
1465	/*
1466	* Try open the file and read the line.
1467	*/
1468	FILE *phFile = fopen(Line.szFilename, "r");
1469	if (phFile)
1470	{
1471	/* Skip ahead to the desired line. */
1472	char szLine[4096];
1473	unsigned cBefore = fFirst ? RT_MIN(2, Line.uLineNo - 1) : Line.uLineNo - LinePrev.uLineNo - 1;
1474	if (cBefore > 7)
1475	cBefore = 0;
1476	unsigned cLeft = Line.uLineNo - cBefore;
1477	while (cLeft > 0)
1478	{
1479	szLine[0] = '\0';
1480	if (!fgets(szLine, sizeof(szLine), phFile))
1481	break;
1482	cLeft--;
1483	}
1484	if (!cLeft)
1485	{
1486	/* print the before lines */
1487	for (;;)
1488	{
1489	size_t cch = strlen(szLine);
1490	while (cch > 0 && (szLine[cch - 1] == '\r' \|\| szLine[cch - 1] == '\n' \|\| RT_C_IS_SPACE(szLine[cch - 1])) )
1491	szLine[--cch] = '\0';
1492	if (cBefore-- <= 0)
1493	break;
1494
1495	rc = DBGCCmdHlpPrintf(pCmdHlp, " %4d: %s\n", Line.uLineNo - cBefore - 1, szLine);
1496	szLine[0] = '\0';
1497	(void)fgets(szLine, sizeof(szLine), phFile);
1498	cLines++;
1499	}
1500	/* print the actual line */
1501	rc = DBGCCmdHlpPrintf(pCmdHlp, "%08llx %4d: %s\n", Line.Address, Line.uLineNo, szLine);
1502	}
1503	fclose(phFile);
1504	if (RT_FAILURE(rc))
1505	return rc;
1506	fFirst = false;
1507	}
1508	else
1509	return DBGCCmdHlpPrintf(pCmdHlp, "Warning: couldn't open source file '%s'\n", Line.szFilename);
1510
1511	LinePrev = Line;
1512	}
1513
1514
1515	/*
1516	* Advance
1517	*/
1518	if (iRangeLeft < 0) /* 'r' */
1519	break;
1520	if (pDbgc->SourcePos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
1521	iRangeLeft -= cLines;
1522	else
1523	iRangeLeft -= 1;
1524	rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "(%Dv) + %x", &pDbgc->SourcePos, 1);
1525	if (RT_FAILURE(rc))
1526	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->SourcePos, 1);
1527	if (iRangeLeft <= 0)
1528	break;
1529	}
1530
1531	NOREF(pCmd);
1532	return 0;
1533	}
1534
1535
1536	/**
1537	* @callback_method_impl{FNDBGCCMD, The 'r' command.}
1538	*/
1539	static DECLCALLBACK(int) dbgcCmdReg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1540	{
1541	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1542	if (!pDbgc->fRegCtxGuest)
1543	return dbgcCmdRegHyper(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
1544	return dbgcCmdRegGuest(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
1545	}
1546
1547
1548	/**
1549	* @callback_method_impl{FNDBGCCMD, Common worker for the dbgcCmdReg*()
1550	* commands.}
1551	*/
1552	static DECLCALLBACK(int) dbgcCmdRegCommon(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs,
1553	const char *pszPrefix)
1554	{
1555	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1556	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 \|\| cArgs == 2 \|\| cArgs == 3);
1557	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING
1558	\|\| paArgs[0].enmType == DBGCVAR_TYPE_SYMBOL);
1559
1560	/*
1561	* Parse the register name and kind.
1562	*/
1563	const char *pszReg = paArgs[0].u.pszString;
1564	if (*pszReg == '@')
1565	pszReg++;
1566	VMCPUID idCpu = pDbgc->idCpu;
1567	if (*pszPrefix)
1568	idCpu \|= DBGFREG_HYPER_VMCPUID;
1569	if (*pszReg == '.')
1570	{
1571	pszReg++;
1572	idCpu \|= DBGFREG_HYPER_VMCPUID;
1573	}
1574	const char * const pszActualPrefix = idCpu & DBGFREG_HYPER_VMCPUID ? "." : "";
1575
1576	/*
1577	* Query the register type & value (the setter needs the type).
1578	*/
1579	DBGFREGVALTYPE enmType;
1580	DBGFREGVAL Value;
1581	int rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType);
1582	if (RT_FAILURE(rc))
1583	{
1584	if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
1585	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
1586	pszActualPrefix, pszReg);
1587	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n",
1588	pszActualPrefix, pszReg, rc);
1589	}
1590	if (cArgs == 1)
1591	{
1592	/*
1593	* Show the register.
1594	*/
1595	char szValue[160];
1596	rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &Value, enmType, true /fSpecial/);
1597	if (RT_SUCCESS(rc))
1598	rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, pszReg, szValue);
1599	else
1600	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
1601	}
1602	else
1603	{
1604	DBGCVAR NewValueTmp;
1605	PCDBGCVAR pNewValue;
1606	if (cArgs == 3)
1607	{
1608	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, paArgs[1].enmType == DBGCVAR_TYPE_STRING);
1609	if (strcmp(paArgs[1].u.pszString, "="))
1610	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Second argument must be '='.");
1611	pNewValue = &paArgs[2];
1612	}
1613	else
1614	{
1615	/* Not possible to convince the parser to support both codeview and
1616	windbg syntax and make the equal sign optional. Try help it. */
1617	/** @todo make DBGCCmdHlpConvert do more with strings. */
1618	rc = DBGCCmdHlpConvert(pCmdHlp, &paArgs[1], DBGCVAR_TYPE_NUMBER, true /fConvSyms/, &NewValueTmp);
1619	if (RT_FAILURE(rc))
1620	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "The last argument must be a value or valid symbol.");
1621	pNewValue = &NewValueTmp;
1622	}
1623
1624	/*
1625	* Modify the register.
1626	*/
1627	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, pNewValue->enmType == DBGCVAR_TYPE_NUMBER);
1628	if (enmType != DBGFREGVALTYPE_DTR)
1629	{
1630	enmType = DBGFREGVALTYPE_U64;
1631	rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.u64);
1632	}
1633	else
1634	{
1635	enmType = DBGFREGVALTYPE_DTR;
1636	rc = DBGCCmdHlpVarToNumber(pCmdHlp, pNewValue, &Value.dtr.u64Base);
1637	if (RT_SUCCESS(rc) && pNewValue->enmRangeType != DBGCVAR_RANGE_NONE)
1638	Value.dtr.u32Limit = (uint32_t)pNewValue->u64Range;
1639	}
1640	if (RT_SUCCESS(rc))
1641	{
1642	rc = DBGFR3RegNmSet(pUVM, idCpu, pszReg, &Value, enmType);
1643	if (RT_FAILURE(rc))
1644	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmSet failed settings '%s%s': %Rrc\n",
1645	pszActualPrefix, pszReg, rc);
1646	if (rc != VINF_SUCCESS)
1647	DBGCCmdHlpPrintf(pCmdHlp, "%s: warning: %Rrc\n", pCmd->pszCmd, rc);
1648	}
1649	else
1650	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
1651	}
1652	return rc;
1653	}
1654
1655
1656	/**
1657	* @callback_method_impl{FNDBGCCMD,
1658	* The 'rg'\, 'rg64' and 'rg32' commands\, worker for 'r'.}
1659	*/
1660	static DECLCALLBACK(int) dbgcCmdRegGuest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1661	{
1662	/*
1663	* Show all registers our selves.
1664	*/
1665	if (cArgs == 0)
1666	{
1667	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1668	bool const f64BitMode = !strcmp(pCmd->pszCmd, "rg64")
1669	\|\| ( strcmp(pCmd->pszCmd, "rg32") != 0
1670	&& DBGFR3CpuIsIn64BitCode(pUVM, pDbgc->idCpu));
1671	char szDisAndRegs[8192];
1672	int rc;
1673
1674	if (pDbgc->fRegTerse)
1675	{
1676	if (f64BitMode)
1677	rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs),
1678	"u %016VR{rip} L 0\n"
1679	"rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n"
1680	"rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n"
1681	"r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n"
1682	"r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n"
1683	"rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n"
1684	"cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} rflags=%08VR{rflags}\n");
1685	else
1686	rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, szDisAndRegs, sizeof(szDisAndRegs),
1687	"u %04VR{cs}:%08VR{eip} L 0\n"
1688	"eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n"
1689	"eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n"
1690	"cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} eflags=%08VR{eflags}\n");
1691	}
1692	else
1693	{
1694	if (f64BitMode)
1695	rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs),
1696	"u %016VR{rip} L 0\n"
1697	"rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n"
1698	"rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n"
1699	"r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n"
1700	"r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n"
1701	"rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n"
1702	"cs={%04VR{cs} base=%016VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} cr0=%016VR{cr0}\n"
1703	"ds={%04VR{ds} base=%016VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} cr2=%016VR{cr2}\n"
1704	"es={%04VR{es} base=%016VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} cr3=%016VR{cr3}\n"
1705	"fs={%04VR{fs} base=%016VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr4=%016VR{cr4}\n"
1706	"gs={%04VR{gs} base=%016VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr8=%016VR{cr8}\n"
1707	"ss={%04VR{ss} base=%016VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n"
1708	"dr0=%016VR{dr0} dr1=%016VR{dr1} dr2=%016VR{dr2} dr3=%016VR{dr3}\n"
1709	"dr6=%016VR{dr6} dr7=%016VR{dr7}\n"
1710	"gdtr=%016VR{gdtr_base}:%04VR{gdtr_lim} idtr=%016VR{idtr_base}:%04VR{idtr_lim} rflags=%08VR{rflags}\n"
1711	"ldtr={%04VR{ldtr} base=%016VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%08VR{ldtr_attr}}\n"
1712	"tr ={%04VR{tr} base=%016VR{tr_base} limit=%08VR{tr_lim} flags=%08VR{tr_attr}}\n"
1713	" sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n"
1714	" efer=%016VR{efer}\n"
1715	" pat=%016VR{pat}\n"
1716	" sf_mask=%016VR{sf_mask}\n"
1717	"krnl_gs_base=%016VR{krnl_gs_base}\n"
1718	" lstar=%016VR{lstar}\n"
1719	" star=%016VR{star} cstar=%016VR{cstar}\n"
1720	"fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n"
1721	);
1722	else
1723	rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, szDisAndRegs, sizeof(szDisAndRegs),
1724	"u %04VR{cs}:%08VR{eip} L 0\n"
1725	"eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n"
1726	"eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n"
1727	"cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} dr0=%08VR{dr0} dr1=%08VR{dr1}\n"
1728	"ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} dr2=%08VR{dr2} dr3=%08VR{dr3}\n"
1729	"es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} dr6=%08VR{dr6} dr7=%08VR{dr7}\n"
1730	"fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr0=%08VR{cr0} cr2=%08VR{cr2}\n"
1731	"gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr3=%08VR{cr3} cr4=%08VR{cr4}\n"
1732	"ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}} cr8=%08VR{cr8}\n"
1733	"gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} idtr=%08VR{idtr_base}:%04VR{idtr_lim} eflags=%08VR{eflags}\n"
1734	"ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n"
1735	"tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n"
1736	"sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n"
1737	"fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n"
1738	);
1739	}
1740	if (RT_FAILURE(rc))
1741	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed");
1742	char *pszRegs = strchr(szDisAndRegs, '\n');
1743	*pszRegs++ = '\0';
1744	rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs);
1745
1746	/*
1747	* Disassemble one instruction at cs:[r\|e]ip.
1748	*/
1749	if (!f64BitMode && strstr(pszRegs, " vm ")) /* a big ugly... */
1750	return pCmdHlp->pfnExec(pCmdHlp, "uv86 %s", szDisAndRegs + 2);
1751	return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs);
1752	}
1753	return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, "");
1754	}
1755
1756
1757	/**
1758	* @callback_method_impl{FNDBGCCMD, The 'rh' command.}
1759	*/
1760	static DECLCALLBACK(int) dbgcCmdRegHyper(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1761	{
1762	/*
1763	* Show all registers our selves.
1764	*/
1765	if (cArgs == 0)
1766	{
1767	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1768	char szDisAndRegs[8192];
1769	int rc;
1770
1771	if (pDbgc->fRegTerse)
1772	rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu \| DBGFREG_HYPER_VMCPUID, szDisAndRegs, sizeof(szDisAndRegs),
1773	"u %VR{cs}:%VR{eip} L 0\n"
1774	".eax=%08VR{eax} .ebx=%08VR{ebx} .ecx=%08VR{ecx} .edx=%08VR{edx} .esi=%08VR{esi} .edi=%08VR{edi}\n"
1775	".eip=%08VR{eip} .esp=%08VR{esp} .ebp=%08VR{ebp} .%VRF{eflags}\n"
1776	".cs=%04VR{cs} .ds=%04VR{ds} .es=%04VR{es} .fs=%04VR{fs} .gs=%04VR{gs} .ss=%04VR{ss} .eflags=%08VR{eflags}\n");
1777	else
1778	rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu \| DBGFREG_HYPER_VMCPUID, szDisAndRegs, sizeof(szDisAndRegs),
1779	"u %04VR{cs}:%08VR{eip} L 0\n"
1780	".eax=%08VR{eax} .ebx=%08VR{ebx} .ecx=%08VR{ecx} .edx=%08VR{edx} .esi=%08VR{esi} .edi=%08VR{edi}\n"
1781	".eip=%08VR{eip} .esp=%08VR{esp} .ebp=%08VR{ebp} .%VRF{eflags}\n"
1782	".cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} .dr0=%08VR{dr0} .dr1=%08VR{dr1}\n"
1783	".ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} .dr2=%08VR{dr2} .dr3=%08VR{dr3}\n"
1784	".es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} .dr6=%08VR{dr6} .dr6=%08VR{dr6}\n"
1785	".fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} .cr3=%016VR{cr3}\n"
1786	".gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}}\n"
1787	".ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n"
1788	".gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} .idtr=%08VR{idtr_base}:%04VR{idtr_lim} .eflags=%08VR{eflags}\n"
1789	".ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n"
1790	".tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n"
1791	);
1792	if (RT_FAILURE(rc))
1793	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed");
1794	char *pszRegs = strchr(szDisAndRegs, '\n');
1795	*pszRegs++ = '\0';
1796	rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs);
1797
1798	/*
1799	* Disassemble one instruction at cs:[r\|e]ip.
1800	*/
1801	return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs);
1802	}
1803	return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, ".");
1804	}
1805
1806
1807	/**
1808	* @callback_method_impl{FNDBGCCMD, The 'rt' command.}
1809	*/
1810	static DECLCALLBACK(int) dbgcCmdRegTerse(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1811	{
1812	NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
1813
1814	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1815	pDbgc->fRegTerse = !pDbgc->fRegTerse;
1816	return DBGCCmdHlpPrintf(pCmdHlp, pDbgc->fRegTerse ? "info: Terse register info.\n" : "info: Verbose register info.\n");
1817	}
1818
1819
1820	/**
1821	* @callback_method_impl{FNDBGCCMD, The 't' command.}
1822	*/
1823	static DECLCALLBACK(int) dbgcCmdTrace(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1824	{
1825	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1826
1827	int rc = DBGFR3Step(pUVM, pDbgc->idCpu);
1828	if (RT_SUCCESS(rc))
1829	pDbgc->fReady = false;
1830	else
1831	rc = pDbgc->CmdHlp.pfnVBoxError(&pDbgc->CmdHlp, rc, "When trying to single step VM %p\n", pDbgc->pVM);
1832
1833	NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
1834	return rc;
1835	}
1836
1837
1838	/**
1839	* @callback_method_impl{FNDBGCCMD, The 'k'\, 'kg' and 'kh' commands.}
1840	*/
1841	static DECLCALLBACK(int) dbgcCmdStack(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1842	{
1843	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1844
1845	/*
1846	* Figure which context we're called for and start walking that stack.
1847	*/
1848	int rc;
1849	PCDBGFSTACKFRAME pFirstFrame;
1850	bool const fGuest = pCmd->pszCmd[1] == 'g'
1851	\|\| (!pCmd->pszCmd[1] && pDbgc->fRegCtxGuest);
1852	rc = DBGFR3StackWalkBegin(pUVM, pDbgc->idCpu, fGuest ? DBGFCODETYPE_GUEST : DBGFCODETYPE_HYPER, &pFirstFrame);
1853	if (RT_FAILURE(rc))
1854	return DBGCCmdHlpPrintf(pCmdHlp, "Failed to begin stack walk, rc=%Rrc\n", rc);
1855
1856	/*
1857	* Print header.
1858	* 12345678 12345678 0023:87654321 12345678 87654321 12345678 87654321 symbol
1859	*/
1860	uint32_t fBitFlags = 0;
1861	for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
1862	pFrame;
1863	pFrame = DBGFR3StackWalkNext(pFrame))
1864	{
1865	uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT \| DBGFSTACKFRAME_FLAGS_32BIT \| DBGFSTACKFRAME_FLAGS_64BIT);
1866	if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
1867	{
1868	if (fCurBitFlags != fBitFlags)
1869	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
1870	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
1871	pFrame->AddrFrame.Sel,
1872	(uint16_t)pFrame->AddrFrame.off,
1873	pFrame->AddrReturnFrame.Sel,
1874	(uint16_t)pFrame->AddrReturnFrame.off,
1875	(uint32_t)pFrame->AddrReturnPC.Sel,
1876	(uint32_t)pFrame->AddrReturnPC.off,
1877	pFrame->Args.au32[0],
1878	pFrame->Args.au32[1],
1879	pFrame->Args.au32[2],
1880	pFrame->Args.au32[3]);
1881	}
1882	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
1883	{
1884	if (fCurBitFlags != fBitFlags)
1885	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
1886	rc = DBGCCmdHlpPrintf(pCmdHlp, "%08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
1887	(uint32_t)pFrame->AddrFrame.off,
1888	(uint32_t)pFrame->AddrReturnFrame.off,
1889	(uint32_t)pFrame->AddrReturnPC.Sel,
1890	(uint32_t)pFrame->AddrReturnPC.off,
1891	pFrame->Args.au32[0],
1892	pFrame->Args.au32[1],
1893	pFrame->Args.au32[2],
1894	pFrame->Args.au32[3]);
1895	}
1896	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
1897	{
1898	if (fCurBitFlags != fBitFlags)
1899	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
1900	rc = DBGCCmdHlpPrintf(pCmdHlp, "%016RX64 %04RX16:%016RX64 %016RX64",
1901	(uint64_t)pFrame->AddrFrame.off,
1902	pFrame->AddrReturnFrame.Sel,
1903	(uint64_t)pFrame->AddrReturnFrame.off,
1904	(uint64_t)pFrame->AddrReturnPC.off);
1905	}
1906	if (RT_FAILURE(rc))
1907	break;
1908	if (!pFrame->pSymPC)
1909	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1910	fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
1911	? " %RTsel:%016RGv"
1912	: fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
1913	? " %RTsel:%08RGv"
1914	: " %RTsel:%04RGv"
1915	, pFrame->AddrPC.Sel, pFrame->AddrPC.off);
1916	else
1917	{
1918	RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
1919	if (offDisp > 0)
1920	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
1921	else if (offDisp < 0)
1922	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
1923	else
1924	rc = DBGCCmdHlpPrintf(pCmdHlp, " %s", pFrame->pSymPC->szName);
1925	}
1926	if (RT_SUCCESS(rc) && pFrame->pLinePC)
1927	rc = DBGCCmdHlpPrintf(pCmdHlp, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
1928	if (RT_SUCCESS(rc))
1929	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
1930	if (RT_FAILURE(rc))
1931	break;
1932
1933	fBitFlags = fCurBitFlags;
1934	}
1935
1936	DBGFR3StackWalkEnd(pFirstFrame);
1937
1938	NOREF(paArgs); NOREF(cArgs);
1939	return rc;
1940	}
1941
1942
1943	static int dbgcCmdDumpDTWorker64(PDBGCCMDHLP pCmdHlp, PCX86DESC64 pDesc, unsigned iEntry, bool fHyper, bool *pfDblEntry)
1944	{
1945	/* GUEST64 */
1946	int rc;
1947
1948	const char *pszHyper = fHyper ? " HYPER" : "";
1949	const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
1950	if (pDesc->Gen.u1DescType)
1951	{
1952	static const char * const s_apszTypes[] =
1953	{
1954	"DataRO", /* 0 Read-Only */
1955	"DataRO", /* 1 Read-Only - Accessed */
1956	"DataRW", /* 2 Read/Write */
1957	"DataRW", /* 3 Read/Write - Accessed */
1958	"DownRO", /* 4 Expand-down, Read-Only */
1959	"DownRO", /* 5 Expand-down, Read-Only - Accessed */
1960	"DownRW", /* 6 Expand-down, Read/Write */
1961	"DownRW", /* 7 Expand-down, Read/Write - Accessed */
1962	"CodeEO", /* 8 Execute-Only */
1963	"CodeEO", /* 9 Execute-Only - Accessed */
1964	"CodeER", /* A Execute/Readable */
1965	"CodeER", /* B Execute/Readable - Accessed */
1966	"ConfE0", /* C Conforming, Execute-Only */
1967	"ConfE0", /* D Conforming, Execute-Only - Accessed */
1968	"ConfER", /* E Conforming, Execute/Readable */
1969	"ConfER" /* F Conforming, Execute/Readable - Accessed */
1970	};
1971	const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
1972	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
1973	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
1974	uint32_t u32Base = X86DESC_BASE(pDesc);
1975	uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
1976
1977	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
1978	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
1979	pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
1980	pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
1981	}
1982	else
1983	{
1984	static const char * const s_apszTypes[] =
1985	{
1986	"Ill-0 ", /* 0 0000 Reserved (Illegal) */
1987	"Ill-1 ", /* 1 0001 Available 16-bit TSS */
1988	"LDT ", /* 2 0010 LDT */
1989	"Ill-3 ", /* 3 0011 Busy 16-bit TSS */
1990	"Ill-4 ", /* 4 0100 16-bit Call Gate */
1991	"Ill-5 ", /* 5 0101 Task Gate */
1992	"Ill-6 ", /* 6 0110 16-bit Interrupt Gate */
1993	"Ill-7 ", /* 7 0111 16-bit Trap Gate */
1994	"Ill-8 ", /* 8 1000 Reserved (Illegal) */
1995	"Tss64A", /* 9 1001 Available 32-bit TSS */
1996	"Ill-A ", /* A 1010 Reserved (Illegal) */
1997	"Tss64B", /* B 1011 Busy 32-bit TSS */
1998	"Call64", /* C 1100 32-bit Call Gate */
1999	"Ill-D ", /* D 1101 Reserved (Illegal) */
2000	"Int64 ", /* E 1110 32-bit Interrupt Gate */
2001	"Trap64" /* F 1111 32-bit Trap Gate */
2002	};
2003	switch (pDesc->Gen.u4Type)
2004	{
2005	/* raw */
2006	case X86_SEL_TYPE_SYS_UNDEFINED:
2007	case X86_SEL_TYPE_SYS_UNDEFINED2:
2008	case X86_SEL_TYPE_SYS_UNDEFINED4:
2009	case X86_SEL_TYPE_SYS_UNDEFINED3:
2010	case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
2011	case X86_SEL_TYPE_SYS_286_TSS_BUSY:
2012	case X86_SEL_TYPE_SYS_286_CALL_GATE:
2013	case X86_SEL_TYPE_SYS_286_INT_GATE:
2014	case X86_SEL_TYPE_SYS_286_TRAP_GATE:
2015	case X86_SEL_TYPE_SYS_TASK_GATE:
2016	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
2017	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
2018	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
2019	break;
2020
2021	case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
2022	case X86_SEL_TYPE_SYS_386_TSS_BUSY:
2023	case X86_SEL_TYPE_SYS_LDT:
2024	{
2025	const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
2026	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2027	const char *pszLong = pDesc->Gen.u1Long ? "LONG" : " ";
2028
2029	uint64_t u64Base = X86DESC64_BASE(pDesc);
2030	uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
2031
2032	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%016RX64 Lim=%08x DPL=%d %s %s %s %sAVL=%d R=%d%s\n",
2033	iEntry, s_apszTypes[pDesc->Gen.u4Type], u64Base, cbLimit,
2034	pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszLong, pszBig,
2035	pDesc->Gen.u1Available, pDesc->Gen.u1Long \| (pDesc->Gen.u1DefBig << 1),
2036	pszHyper);
2037	if (pfDblEntry)
2038	*pfDblEntry = true;
2039	break;
2040	}
2041
2042	case X86_SEL_TYPE_SYS_386_CALL_GATE:
2043	{
2044	unsigned cParams = pDesc->au8[4] & 0x1f;
2045	const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
2046	RTSEL sel = pDesc->au16[1];
2047	uint64_t off = pDesc->au16[0]
2048	\| ((uint64_t)pDesc->au16[3] << 16)
2049	\| ((uint64_t)pDesc->Gen.u32BaseHigh3 << 32);
2050	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%d %s %s=%d%s\n",
2051	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
2052	pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper);
2053	if (pfDblEntry)
2054	*pfDblEntry = true;
2055	break;
2056	}
2057
2058	case X86_SEL_TYPE_SYS_386_INT_GATE:
2059	case X86_SEL_TYPE_SYS_386_TRAP_GATE:
2060	{
2061	RTSEL sel = pDesc->Gate.u16Sel;
2062	uint64_t off = pDesc->Gate.u16OffsetLow
2063	\| ((uint64_t)pDesc->Gate.u16OffsetHigh << 16)
2064	\| ((uint64_t)pDesc->Gate.u32OffsetTop << 32);
2065	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%016RX64 DPL=%u %s IST=%u%s\n",
2066	iEntry, s_apszTypes[pDesc->Gate.u4Type], sel, off,
2067	pDesc->Gate.u2Dpl, pszPresent, pDesc->Gate.u3IST, pszHyper);
2068	if (pfDblEntry)
2069	*pfDblEntry = true;
2070	break;
2071	}
2072
2073	/* impossible, just it's necessary to keep gcc happy. */
2074	default:
2075	return VINF_SUCCESS;
2076	}
2077	}
2078	return VINF_SUCCESS;
2079	}
2080
2081
2082	/**
2083	* Worker function that displays one descriptor entry (GDT, LDT, IDT).
2084	*
2085	* @returns pfnPrintf status code.
2086	* @param pCmdHlp The DBGC command helpers.
2087	* @param pDesc The descriptor to display.
2088	* @param iEntry The descriptor entry number.
2089	* @param fHyper Whether the selector belongs to the hypervisor or not.
2090	*/
2091	static int dbgcCmdDumpDTWorker32(PDBGCCMDHLP pCmdHlp, PCX86DESC pDesc, unsigned iEntry, bool fHyper)
2092	{
2093	int rc;
2094
2095	const char *pszHyper = fHyper ? " HYPER" : "";
2096	const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
2097	if (pDesc->Gen.u1DescType)
2098	{
2099	static const char * const s_apszTypes[] =
2100	{
2101	"DataRO", /* 0 Read-Only */
2102	"DataRO", /* 1 Read-Only - Accessed */
2103	"DataRW", /* 2 Read/Write */
2104	"DataRW", /* 3 Read/Write - Accessed */
2105	"DownRO", /* 4 Expand-down, Read-Only */
2106	"DownRO", /* 5 Expand-down, Read-Only - Accessed */
2107	"DownRW", /* 6 Expand-down, Read/Write */
2108	"DownRW", /* 7 Expand-down, Read/Write - Accessed */
2109	"CodeEO", /* 8 Execute-Only */
2110	"CodeEO", /* 9 Execute-Only - Accessed */
2111	"CodeER", /* A Execute/Readable */
2112	"CodeER", /* B Execute/Readable - Accessed */
2113	"ConfE0", /* C Conforming, Execute-Only */
2114	"ConfE0", /* D Conforming, Execute-Only - Accessed */
2115	"ConfER", /* E Conforming, Execute/Readable */
2116	"ConfER" /* F Conforming, Execute/Readable - Accessed */
2117	};
2118	const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
2119	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
2120	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2121	uint32_t u32Base = pDesc->Gen.u16BaseLow
2122	\| ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
2123	\| ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
2124	uint32_t cbLimit = pDesc->Gen.u16LimitLow \| (pDesc->Gen.u4LimitHigh << 16);
2125	if (pDesc->Gen.u1Granularity)
2126	cbLimit <<= PAGE_SHIFT;
2127
2128	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
2129	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
2130	pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
2131	pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
2132	}
2133	else
2134	{
2135	static const char * const s_apszTypes[] =
2136	{
2137	"Ill-0 ", /* 0 0000 Reserved (Illegal) */
2138	"Tss16A", /* 1 0001 Available 16-bit TSS */
2139	"LDT ", /* 2 0010 LDT */
2140	"Tss16B", /* 3 0011 Busy 16-bit TSS */
2141	"Call16", /* 4 0100 16-bit Call Gate */
2142	"TaskG ", /* 5 0101 Task Gate */
2143	"Int16 ", /* 6 0110 16-bit Interrupt Gate */
2144	"Trap16", /* 7 0111 16-bit Trap Gate */
2145	"Ill-8 ", /* 8 1000 Reserved (Illegal) */
2146	"Tss32A", /* 9 1001 Available 32-bit TSS */
2147	"Ill-A ", /* A 1010 Reserved (Illegal) */
2148	"Tss32B", /* B 1011 Busy 32-bit TSS */
2149	"Call32", /* C 1100 32-bit Call Gate */
2150	"Ill-D ", /* D 1101 Reserved (Illegal) */
2151	"Int32 ", /* E 1110 32-bit Interrupt Gate */
2152	"Trap32" /* F 1111 32-bit Trap Gate */
2153	};
2154	switch (pDesc->Gen.u4Type)
2155	{
2156	/* raw */
2157	case X86_SEL_TYPE_SYS_UNDEFINED:
2158	case X86_SEL_TYPE_SYS_UNDEFINED2:
2159	case X86_SEL_TYPE_SYS_UNDEFINED4:
2160	case X86_SEL_TYPE_SYS_UNDEFINED3:
2161	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s %.8Rhxs DPL=%d %s%s\n",
2162	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
2163	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
2164	break;
2165
2166	case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
2167	case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
2168	case X86_SEL_TYPE_SYS_286_TSS_BUSY:
2169	case X86_SEL_TYPE_SYS_386_TSS_BUSY:
2170	case X86_SEL_TYPE_SYS_LDT:
2171	{
2172	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
2173	const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
2174	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
2175	uint32_t u32Base = pDesc->Gen.u16BaseLow
2176	\| ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
2177	\| ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
2178	uint32_t cbLimit = pDesc->Gen.u16LimitLow \| (pDesc->Gen.u4LimitHigh << 16);
2179	if (pDesc->Gen.u1Granularity)
2180	cbLimit <<= PAGE_SHIFT;
2181
2182	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d R=%d%s\n",
2183	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
2184	pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszGranularity, pszBig,
2185	pDesc->Gen.u1Available, pDesc->Gen.u1Long \| (pDesc->Gen.u1DefBig << 1),
2186	pszHyper);
2187	break;
2188	}
2189
2190	case X86_SEL_TYPE_SYS_TASK_GATE:
2191	{
2192	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s TSS=%04x DPL=%d %s%s\n",
2193	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc->au16[1],
2194	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
2195	break;
2196	}
2197
2198	case X86_SEL_TYPE_SYS_286_CALL_GATE:
2199	case X86_SEL_TYPE_SYS_386_CALL_GATE:
2200	{
2201	unsigned cParams = pDesc->au8[4] & 0x1f;
2202	const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
2203	RTSEL sel = pDesc->au16[1];
2204	uint32_t off = pDesc->au16[0] \| ((uint32_t)pDesc->au16[3] << 16);
2205	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s %s=%d%s\n",
2206	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
2207	pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper);
2208	break;
2209	}
2210
2211	case X86_SEL_TYPE_SYS_286_INT_GATE:
2212	case X86_SEL_TYPE_SYS_386_INT_GATE:
2213	case X86_SEL_TYPE_SYS_286_TRAP_GATE:
2214	case X86_SEL_TYPE_SYS_386_TRAP_GATE:
2215	{
2216	RTSEL sel = pDesc->au16[1];
2217	uint32_t off = pDesc->au16[0] \| ((uint32_t)pDesc->au16[3] << 16);
2218	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %s Sel:Off=%04x:%08x DPL=%d %s%s\n",
2219	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
2220	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
2221	break;
2222	}
2223
2224	/* impossible, just it's necessary to keep gcc happy. */
2225	default:
2226	return VINF_SUCCESS;
2227	}
2228	}
2229	return rc;
2230	}
2231
2232
2233	/**
2234	* @callback_method_impl{FNDBGCCMD, The 'dg'\, 'dga'\, 'dl' and 'dla' commands.}
2235	*/
2236	static DECLCALLBACK(int) dbgcCmdDumpDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2237	{
2238	/*
2239	* Validate input.
2240	*/
2241	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2242
2243	/*
2244	* Get the CPU mode, check which command variation this is
2245	* and fix a default parameter if needed.
2246	*/
2247	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2248	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2249	CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
2250	bool fGdt = pCmd->pszCmd[1] == 'g';
2251	bool fAll = pCmd->pszCmd[2] == 'a';
2252	RTSEL SelTable = fGdt ? 0 : X86_SEL_LDT;
2253
2254	DBGCVAR Var;
2255	if (!cArgs)
2256	{
2257	cArgs = 1;
2258	paArgs = &Var;
2259	Var.enmType = DBGCVAR_TYPE_NUMBER;
2260	Var.u.u64Number = 0;
2261	Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2262	Var.u64Range = 1024;
2263	}
2264
2265	/*
2266	* Process the arguments.
2267	*/
2268	for (unsigned i = 0; i < cArgs; i++)
2269	{
2270	/*
2271	* Retrieve the selector value from the argument.
2272	* The parser may confuse pointers and numbers if more than one
2273	* argument is given, that that into account.
2274	*/
2275	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER \|\| DBGCVAR_ISPOINTER(paArgs[i].enmType));
2276	uint64_t u64;
2277	unsigned cSels = 1;
2278	switch (paArgs[i].enmType)
2279	{
2280	case DBGCVAR_TYPE_NUMBER:
2281	u64 = paArgs[i].u.u64Number;
2282	if (paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE)
2283	cSels = RT_MIN(paArgs[i].u64Range, 1024);
2284	break;
2285	case DBGCVAR_TYPE_GC_FAR: u64 = paArgs[i].u.GCFar.sel; break;
2286	case DBGCVAR_TYPE_GC_FLAT: u64 = paArgs[i].u.GCFlat; break;
2287	case DBGCVAR_TYPE_GC_PHYS: u64 = paArgs[i].u.GCPhys; break;
2288	case DBGCVAR_TYPE_HC_FLAT: u64 = (uintptr_t)paArgs[i].u.pvHCFlat; break;
2289	case DBGCVAR_TYPE_HC_PHYS: u64 = paArgs[i].u.HCPhys; break;
2290	default: u64 = _64K; break;
2291	}
2292	if (u64 < _64K)
2293	{
2294	unsigned Sel = (RTSEL)u64;
2295
2296	/*
2297	* Dump the specified range.
2298	*/
2299	bool fSingle = cSels == 1;
2300	while ( cSels-- > 0
2301	&& Sel < _64K)
2302	{
2303	DBGFSELINFO SelInfo;
2304	int rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, Sel \| SelTable, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
2305	if (RT_SUCCESS(rc))
2306	{
2307	if (SelInfo.fFlags & DBGFSELINFO_FLAGS_REAL_MODE)
2308	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x RealM Bas=%04x Lim=%04x\n",
2309	Sel, (unsigned)SelInfo.GCPtrBase, (unsigned)SelInfo.cbLimit);
2310	else if ( fAll
2311	\|\| fSingle
2312	\|\| SelInfo.u.Raw.Gen.u1Present)
2313	{
2314	if (enmMode == CPUMMODE_PROTECTED)
2315	rc = dbgcCmdDumpDTWorker32(pCmdHlp, &SelInfo.u.Raw, Sel, !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER));
2316	else
2317	{
2318	bool fDblSkip = false;
2319	rc = dbgcCmdDumpDTWorker64(pCmdHlp, &SelInfo.u.Raw64, Sel, !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), &fDblSkip);
2320	if (fDblSkip)
2321	Sel += 4;
2322	}
2323	}
2324	}
2325	else
2326	{
2327	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %Rrc\n", Sel, rc);
2328	if (!fAll)
2329	return rc;
2330	}
2331	if (RT_FAILURE(rc))
2332	return rc;
2333
2334	/* next */
2335	Sel += 8;
2336	}
2337	}
2338	else
2339	DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds\n", u64);
2340	}
2341
2342	return VINF_SUCCESS;
2343	}
2344
2345
2346	/**
2347	* @callback_method_impl{FNDBGCCMD, The 'di' and 'dia' commands.}
2348	*/
2349	static DECLCALLBACK(int) dbgcCmdDumpIDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2350	{
2351	/*
2352	* Validate input.
2353	*/
2354	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2355
2356	/*
2357	* Establish some stuff like the current IDTR and CPU mode,
2358	* and fix a default parameter.
2359	*/
2360	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2361	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2362	uint16_t cbLimit;
2363	RTGCUINTPTR GCPtrBase = CPUMGetGuestIDTR(pVCpu, &cbLimit);
2364	CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
2365	unsigned cbEntry;
2366	switch (enmMode)
2367	{
2368	case CPUMMODE_REAL: cbEntry = sizeof(RTFAR16); break;
2369	case CPUMMODE_PROTECTED: cbEntry = sizeof(X86DESC); break;
2370	case CPUMMODE_LONG: cbEntry = sizeof(X86DESC64); break;
2371	default:
2372	return DBGCCmdHlpPrintf(pCmdHlp, "error: Invalid CPU mode %d.\n", enmMode);
2373	}
2374
2375	bool fAll = pCmd->pszCmd[2] == 'a';
2376	DBGCVAR Var;
2377	if (!cArgs)
2378	{
2379	cArgs = 1;
2380	paArgs = &Var;
2381	Var.enmType = DBGCVAR_TYPE_NUMBER;
2382	Var.u.u64Number = 0;
2383	Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2384	Var.u64Range = 256;
2385	}
2386
2387	/*
2388	* Process the arguments.
2389	*/
2390	for (unsigned i = 0; i < cArgs; i++)
2391	{
2392	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER);
2393	if (paArgs[i].u.u64Number < 256)
2394	{
2395	RTGCUINTPTR iInt = (RTGCUINTPTR)paArgs[i].u.u64Number;
2396	unsigned cInts = paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE
2397	? paArgs[i].u64Range
2398	: 1;
2399	bool fSingle = cInts == 1;
2400	while ( cInts-- > 0
2401	&& iInt < 256)
2402	{
2403	/*
2404	* Try read it.
2405	*/
2406	union
2407	{
2408	RTFAR16 Real;
2409	X86DESC Prot;
2410	X86DESC64 Long;
2411	} u;
2412	if (iInt * cbEntry + (cbEntry - 1) > cbLimit)
2413	{
2414	DBGCCmdHlpPrintf(pCmdHlp, "%04x not within the IDT\n", (unsigned)iInt);
2415	if (!fAll && !fSingle)
2416	return VINF_SUCCESS;
2417	}
2418	DBGCVAR AddrVar;
2419	AddrVar.enmType = DBGCVAR_TYPE_GC_FLAT;
2420	AddrVar.u.GCFlat = GCPtrBase + iInt * cbEntry;
2421	AddrVar.enmRangeType = DBGCVAR_RANGE_NONE;
2422	int rc = pCmdHlp->pfnMemRead(pCmdHlp, &u, cbEntry, &AddrVar, NULL);
2423	if (RT_FAILURE(rc))
2424	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading IDT entry %#04x.\n", (unsigned)iInt);
2425
2426	/*
2427	* Display it.
2428	*/
2429	switch (enmMode)
2430	{
2431	case CPUMMODE_REAL:
2432	rc = DBGCCmdHlpPrintf(pCmdHlp, "%04x %RTfp16\n", (unsigned)iInt, u.Real);
2433	/** @todo resolve 16:16 IDTE to a symbol */
2434	break;
2435	case CPUMMODE_PROTECTED:
2436	if (fAll \|\| fSingle \|\| u.Prot.Gen.u1Present)
2437	rc = dbgcCmdDumpDTWorker32(pCmdHlp, &u.Prot, iInt, false);
2438	break;
2439	case CPUMMODE_LONG:
2440	if (fAll \|\| fSingle \|\| u.Long.Gen.u1Present)
2441	rc = dbgcCmdDumpDTWorker64(pCmdHlp, &u.Long, iInt, false, NULL);
2442	break;
2443	default: break; /* to shut up gcc */
2444	}
2445	if (RT_FAILURE(rc))
2446	return rc;
2447
2448	/* next */
2449	iInt++;
2450	}
2451	}
2452	else
2453	DBGCCmdHlpPrintf(pCmdHlp, "error: %llx is out of bounds (max 256)\n", paArgs[i].u.u64Number);
2454	}
2455
2456	return VINF_SUCCESS;
2457	}
2458
2459
2460	/**
2461	* @callback_method_impl{FNDBGCCMD,
2462	* The 'da'\, 'dq'\, 'dd'\, 'dw' and 'db' commands.}
2463	*/
2464	static DECLCALLBACK(int) dbgcCmdDumpMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2465	{
2466	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2467
2468	/*
2469	* Validate input.
2470	*/
2471	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
2472	if (cArgs == 1)
2473	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
2474	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2475
2476	/*
2477	* Figure out the element size.
2478	*/
2479	unsigned cbElement;
2480	bool fAscii = false;
2481	switch (pCmd->pszCmd[1])
2482	{
2483	default:
2484	case 'b': cbElement = 1; break;
2485	case 'w': cbElement = 2; break;
2486	case 'd': cbElement = 4; break;
2487	case 'q': cbElement = 8; break;
2488	case 'a':
2489	cbElement = 1;
2490	fAscii = true;
2491	break;
2492	case '\0':
2493	fAscii = !!(pDbgc->cbDumpElement & 0x80000000);
2494	cbElement = pDbgc->cbDumpElement & 0x7fffffff;
2495	if (!cbElement)
2496	cbElement = 1;
2497	break;
2498	}
2499
2500	/*
2501	* Find address.
2502	*/
2503	if (!cArgs)
2504	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_NONE;
2505	else
2506	pDbgc->DumpPos = paArgs[0];
2507
2508	/*
2509	* Range.
2510	*/
2511	switch (pDbgc->DumpPos.enmRangeType)
2512	{
2513	case DBGCVAR_RANGE_NONE:
2514	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
2515	pDbgc->DumpPos.u64Range = 0x60;
2516	break;
2517
2518	case DBGCVAR_RANGE_ELEMENTS:
2519	if (pDbgc->DumpPos.u64Range > 2048)
2520	return DBGCCmdHlpPrintf(pCmdHlp, "error: Too many elements requested. Max is 2048 elements.\n");
2521	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
2522	pDbgc->DumpPos.u64Range = (cbElement ? cbElement : 1) * pDbgc->DumpPos.u64Range;
2523	break;
2524
2525	case DBGCVAR_RANGE_BYTES:
2526	if (pDbgc->DumpPos.u64Range > 65536)
2527	return DBGCCmdHlpPrintf(pCmdHlp, "error: The requested range is too big. Max is 64KB.\n");
2528	break;
2529
2530	default:
2531	return DBGCCmdHlpPrintf(pCmdHlp, "internal error: Unknown range type %d.\n", pDbgc->DumpPos.enmRangeType);
2532	}
2533
2534	pDbgc->pLastPos = &pDbgc->DumpPos;
2535
2536	/*
2537	* Do the dumping.
2538	*/
2539	pDbgc->cbDumpElement = cbElement \| (fAscii << 31);
2540	int cbLeft = (int)pDbgc->DumpPos.u64Range;
2541	uint8_t u8Prev = '\0';
2542	for (;;)
2543	{
2544	/*
2545	* Read memory.
2546	*/
2547	char achBuffer[16];
2548	size_t cbReq = RT_MIN((int)sizeof(achBuffer), cbLeft);
2549	size_t cb = RT_MIN((int)sizeof(achBuffer), cbLeft);
2550	int rc = pCmdHlp->pfnMemRead(pCmdHlp, &achBuffer, cbReq, &pDbgc->DumpPos, &cb);
2551	if (RT_FAILURE(rc))
2552	{
2553	if (u8Prev && u8Prev != '\n')
2554	DBGCCmdHlpPrintf(pCmdHlp, "\n");
2555	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading memory at %DV.\n", &pDbgc->DumpPos);
2556	}
2557
2558	/*
2559	* Display it.
2560	*/
2561	memset(&achBuffer[cb], 0, sizeof(achBuffer) - cb);
2562	if (!fAscii)
2563	{
2564	DBGCCmdHlpPrintf(pCmdHlp, "%DV:", &pDbgc->DumpPos);
2565	unsigned i;
2566	for (i = 0; i < cb; i += cbElement)
2567	{
2568	const char *pszSpace = " ";
2569	if (cbElement <= 2 && i == 8 && !fAscii)
2570	pszSpace = "-";
2571	switch (cbElement)
2572	{
2573	case 1: DBGCCmdHlpPrintf(pCmdHlp, "%s%02x", pszSpace, (uint8_t )&achBuffer[i]); break;
2574	case 2: DBGCCmdHlpPrintf(pCmdHlp, "%s%04x", pszSpace, (uint16_t )&achBuffer[i]); break;
2575	case 4: DBGCCmdHlpPrintf(pCmdHlp, "%s%08x", pszSpace, (uint32_t )&achBuffer[i]); break;
2576	case 8: DBGCCmdHlpPrintf(pCmdHlp, "%s%016llx", pszSpace, (uint64_t )&achBuffer[i]); break;
2577	}
2578	}
2579
2580	/* chars column */
2581	if (pDbgc->cbDumpElement == 1)
2582	{
2583	while (i++ < sizeof(achBuffer))
2584	DBGCCmdHlpPrintf(pCmdHlp, " ");
2585	DBGCCmdHlpPrintf(pCmdHlp, " ");
2586	for (i = 0; i < cb; i += cbElement)
2587	{
2588	uint8_t u8 = (uint8_t )&achBuffer[i];
2589	if (RT_C_IS_PRINT(u8) && u8 < 127 && u8 >= 32)
2590	DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
2591	else
2592	DBGCCmdHlpPrintf(pCmdHlp, ".");
2593	}
2594	}
2595	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2596	}
2597	else
2598	{
2599	/*
2600	* We print up to the first zero and stop there.
2601	* Only printables + '\t' and '\n' are printed.
2602	*/
2603	if (!u8Prev)
2604	DBGCCmdHlpPrintf(pCmdHlp, "%DV:\n", &pDbgc->DumpPos);
2605	uint8_t u8 = '\0';
2606	unsigned i;
2607	for (i = 0; i < cb; i++)
2608	{
2609	u8Prev = u8;
2610	u8 = (uint8_t )&achBuffer[i];
2611	if ( u8 < 127
2612	&& ( (RT_C_IS_PRINT(u8) && u8 >= 32)
2613	\|\| u8 == '\t'
2614	\|\| u8 == '\n'))
2615	DBGCCmdHlpPrintf(pCmdHlp, "%c", u8);
2616	else if (!u8)
2617	break;
2618	else
2619	DBGCCmdHlpPrintf(pCmdHlp, "\\x%x", u8);
2620	}
2621	if (u8 == '\0')
2622	cb = cbLeft = i + 1;
2623	if (cbLeft - cb <= 0 && u8Prev != '\n')
2624	DBGCCmdHlpPrintf(pCmdHlp, "\n");
2625	}
2626
2627	/*
2628	* Advance
2629	*/
2630	cbLeft -= (int)cb;
2631	rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DumpPos, "(%Dv) + %x", &pDbgc->DumpPos, cb);
2632	if (RT_FAILURE(rc))
2633	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->DumpPos, cb);
2634	if (cbLeft <= 0)
2635	break;
2636	}
2637
2638	NOREF(pCmd);
2639	return VINF_SUCCESS;
2640	}
2641
2642
2643	/**
2644	* Best guess at which paging mode currently applies to the guest
2645	* paging structures.
2646	*
2647	* This have to come up with a decent answer even when the guest
2648	* is in non-paged protected mode or real mode.
2649	*
2650	* @returns cr3.
2651	* @param pDbgc The DBGC instance.
2652	* @param pfPAE Where to store the page address extension indicator.
2653	* @param pfLME Where to store the long mode enabled indicator.
2654	* @param pfPSE Where to store the page size extension indicator.
2655	* @param pfPGE Where to store the page global enabled indicator.
2656	* @param pfNXE Where to store the no-execution enabled indicator.
2657	*/
2658	static RTGCPHYS dbgcGetGuestPageMode(PDBGC pDbgc, bool pfPAE, bool pfLME, bool pfPSE, bool pfPGE, bool *pfNXE)
2659	{
2660	PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
2661	RTGCUINTREG cr4 = CPUMGetGuestCR4(pVCpu);
2662	*pfPSE = !!(cr4 & X86_CR4_PSE);
2663	*pfPGE = !!(cr4 & X86_CR4_PGE);
2664	if (cr4 & X86_CR4_PAE)
2665	{
2666	*pfPSE = true;
2667	*pfPAE = true;
2668	}
2669	else
2670	*pfPAE = false;
2671
2672	*pfLME = CPUMGetGuestMode(pVCpu) == CPUMMODE_LONG;
2673	pfNXE = false; / GUEST64 GUESTNX */
2674	return CPUMGetGuestCR3(pVCpu);
2675	}
2676
2677
2678	/**
2679	* Determine the shadow paging mode.
2680	*
2681	* @returns cr3.
2682	* @param pDbgc The DBGC instance.
2683	* @param pfPAE Where to store the page address extension indicator.
2684	* @param pfLME Where to store the long mode enabled indicator.
2685	* @param pfPSE Where to store the page size extension indicator.
2686	* @param pfPGE Where to store the page global enabled indicator.
2687	* @param pfNXE Where to store the no-execution enabled indicator.
2688	*/
2689	static RTHCPHYS dbgcGetShadowPageMode(PDBGC pDbgc, bool pfPAE, bool pfLME, bool pfPSE, bool pfPGE, bool *pfNXE)
2690	{
2691	PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
2692
2693	*pfPSE = true;
2694	*pfPGE = false;
2695	switch (PGMGetShadowMode(pVCpu))
2696	{
2697	default:
2698	case PGMMODE_32_BIT:
2699	pfPAE = pfLME = *pfNXE = false;
2700	break;
2701	case PGMMODE_PAE:
2702	pfLME = pfNXE = false;
2703	*pfPAE = true;
2704	break;
2705	case PGMMODE_PAE_NX:
2706	*pfLME = false;
2707	pfPAE = pfNXE = true;
2708	break;
2709	case PGMMODE_AMD64:
2710	*pfNXE = false;
2711	pfPAE = pfLME = true;
2712	break;
2713	case PGMMODE_AMD64_NX:
2714	pfPAE = pfLME = *pfNXE = true;
2715	break;
2716	}
2717	return PGMGetHyperCR3(pVCpu);
2718	}
2719
2720
2721	/**
2722	* @callback_method_impl{FNDBGCCMD,
2723	* The 'dpd'\, 'dpda'\, 'dpdb'\, 'dpdg' and 'dpdh' commands.}
2724	*/
2725	static DECLCALLBACK(int) dbgcCmdDumpPageDir(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2726	{
2727	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2728
2729	/*
2730	* Validate input.
2731	*/
2732	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
2733	if (cArgs == 1 && pCmd->pszCmd[3] == 'a')
2734	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
2735	if (cArgs == 1 && pCmd->pszCmd[3] != 'a')
2736	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
2737	\|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
2738	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2739
2740	/*
2741	* Guest or shadow page directories? Get the paging parameters.
2742	*/
2743	bool fGuest = pCmd->pszCmd[3] != 'h';
2744	if (!pCmd->pszCmd[3] \|\| pCmd->pszCmd[3] == 'a')
2745	fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
2746	? pDbgc->fRegCtxGuest
2747	: DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
2748
2749	bool fPAE, fLME, fPSE, fPGE, fNXE;
2750	uint64_t cr3 = fGuest
2751	? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
2752	: dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
2753	const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
2754
2755	/*
2756	* Setup default argument if none was specified.
2757	* Fix address / index confusion.
2758	*/
2759	DBGCVAR VarDefault;
2760	if (!cArgs)
2761	{
2762	if (pCmd->pszCmd[3] == 'a')
2763	{
2764	if (fLME \|\| fPAE)
2765	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");
2766	if (fGuest)
2767	DBGCVAR_INIT_GC_PHYS(&VarDefault, cr3);
2768	else
2769	DBGCVAR_INIT_HC_PHYS(&VarDefault, cr3);
2770	}
2771	else
2772	DBGCVAR_INIT_GC_FLAT(&VarDefault, 0);
2773	paArgs = &VarDefault;
2774	cArgs = 1;
2775	}
2776	else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
2777	{
2778	/* If it's a number (not an address), it's an index, so convert it to an address. */
2779	Assert(pCmd->pszCmd[3] != 'a');
2780	VarDefault = paArgs[0];
2781	if (fPAE)
2782	return DBGCCmdHlpPrintf(pCmdHlp, "PDE indexing is only implemented for 32-bit paging.\n");
2783	if (VarDefault.u.u64Number >= PAGE_SIZE / cbEntry)
2784	return DBGCCmdHlpPrintf(pCmdHlp, "PDE index is out of range [0..%d].\n", PAGE_SIZE / cbEntry - 1);
2785	VarDefault.u.u64Number <<= X86_PD_SHIFT;
2786	VarDefault.enmType = DBGCVAR_TYPE_GC_FLAT;
2787	paArgs = &VarDefault;
2788	}
2789
2790	/*
2791	* Locate the PDE to start displaying at.
2792	*
2793	* The 'dpda' command takes the address of a PDE, while the others are guest
2794	* virtual address which PDEs should be displayed. So, 'dpda' is rather simple
2795	* while the others require us to do all the tedious walking thru the paging
2796	* hierarchy to find the intended PDE.
2797	*/
2798	unsigned iEntry = ~0U; /* The page directory index. ~0U for 'dpta'. */
2799	DBGCVAR VarGCPtr; /* The GC address corresponding to the current PDE (iEntry != ~0U). */
2800	DBGCVAR VarPDEAddr; /* The address of the current PDE. */
2801	unsigned cEntries; /* The number of entries to display. */
2802	unsigned cEntriesMax; /* The max number of entries to display. */
2803	int rc;
2804	if (pCmd->pszCmd[3] == 'a')
2805	{
2806	VarPDEAddr = paArgs[0];
2807	switch (VarPDEAddr.enmRangeType)
2808	{
2809	case DBGCVAR_RANGE_BYTES: cEntries = VarPDEAddr.u64Range / cbEntry; break;
2810	case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPDEAddr.u64Range; break;
2811	default: cEntries = 10; break;
2812	}
2813	cEntriesMax = PAGE_SIZE / cbEntry;
2814	}
2815	else
2816	{
2817	/*
2818	* Determine the range.
2819	*/
2820	switch (paArgs[0].enmRangeType)
2821	{
2822	case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
2823	case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
2824	default: cEntries = 10; break;
2825	}
2826
2827	/*
2828	* Normalize the input address, it must be a flat GC address.
2829	*/
2830	rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
2831	if (RT_FAILURE(rc))
2832	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
2833	if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
2834	{
2835	VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
2836	VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
2837	}
2838	if (fPAE)
2839	VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_PAE_SHIFT) - 1);
2840	else
2841	VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_SHIFT) - 1);
2842
2843	/*
2844	* Do the paging walk until we get to the page directory.
2845	*/
2846	DBGCVAR VarCur;
2847	if (fGuest)
2848	DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
2849	else
2850	DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
2851	if (fLME)
2852	{
2853	/* Page Map Level 4 Lookup. */
2854	/* Check if it's a valid address first? */
2855	VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
2856	VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
2857	X86PML4E Pml4e;
2858	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
2859	if (RT_FAILURE(rc))
2860	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
2861	if (!Pml4e.n.u1Present)
2862	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
2863
2864	VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
2865	Assert(fPAE);
2866	}
2867	if (fPAE)
2868	{
2869	/* Page directory pointer table. */
2870	X86PDPE Pdpe;
2871	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
2872	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
2873	if (RT_FAILURE(rc))
2874	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
2875	if (!Pdpe.n.u1Present)
2876	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
2877
2878	iEntry = (VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK;
2879	VarPDEAddr = VarCur;
2880	VarPDEAddr.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
2881	VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDEPAE);
2882	}
2883	else
2884	{
2885	/* 32-bit legacy - CR3 == page directory. */
2886	iEntry = (VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK;
2887	VarPDEAddr = VarCur;
2888	VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDE);
2889	}
2890	cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
2891	}
2892
2893	/* adjust cEntries */
2894	cEntries = RT_MAX(1, cEntries);
2895	cEntries = RT_MIN(cEntries, cEntriesMax);
2896
2897	/*
2898	* The display loop.
2899	*/
2900	DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (index %#x):\n" : "%DV:\n",
2901	&VarPDEAddr, iEntry);
2902	do
2903	{
2904	/*
2905	* Read.
2906	*/
2907	X86PDEPAE Pde;
2908	Pde.u = 0;
2909	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, cbEntry, &VarPDEAddr, NULL);
2910	if (RT_FAILURE(rc))
2911	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarPDEAddr);
2912
2913	/*
2914	* Display.
2915	*/
2916	if (iEntry != ~0U)
2917	{
2918	DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
2919	iEntry++;
2920	}
2921	if (fPSE && Pde.b.u1Size)
2922	DBGCCmdHlpPrintf(pCmdHlp,
2923	fPAE
2924	? "%016llx big phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
2925	: "%08llx big phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
2926	Pde.u,
2927	Pde.u & X86_PDE_PAE_PG_MASK,
2928	Pde.b.u1Present ? "p " : "np",
2929	Pde.b.u1Write ? "w" : "r",
2930	Pde.b.u1User ? "u" : "s",
2931	Pde.b.u1Accessed ? "a " : "na",
2932	Pde.b.u1Dirty ? "d " : "nd",
2933	Pde.b.u3Available,
2934	Pde.b.u1Global ? (fPGE ? "g" : "G") : " ",
2935	Pde.b.u1WriteThru ? "pwt" : " ",
2936	Pde.b.u1CacheDisable ? "pcd" : " ",
2937	Pde.b.u1PAT ? "pat" : "",
2938	Pde.b.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
2939	else
2940	DBGCCmdHlpPrintf(pCmdHlp,
2941	fPAE
2942	? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s"
2943	: "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s",
2944	Pde.u,
2945	Pde.u & X86_PDE_PAE_PG_MASK,
2946	Pde.n.u1Present ? "p " : "np",
2947	Pde.n.u1Write ? "w" : "r",
2948	Pde.n.u1User ? "u" : "s",
2949	Pde.n.u1Accessed ? "a " : "na",
2950	Pde.u & RT_BIT(6) ? "6 " : " ",
2951	Pde.n.u3Available,
2952	Pde.u & RT_BIT(8) ? "8" : " ",
2953	Pde.n.u1WriteThru ? "pwt" : " ",
2954	Pde.n.u1CacheDisable ? "pcd" : " ",
2955	Pde.u & RT_BIT(7) ? "7" : "",
2956	Pde.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
2957	if (Pde.u & UINT64_C(0x7fff000000000000))
2958	DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pde.u & UINT64_C(0x7fff000000000000)));
2959	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2960	if (RT_FAILURE(rc))
2961	return rc;
2962
2963	/*
2964	* Advance.
2965	*/
2966	VarPDEAddr.u.u64Number += cbEntry;
2967	if (iEntry != ~0U)
2968	VarGCPtr.u.GCFlat += fPAE ? RT_BIT_32(X86_PD_PAE_SHIFT) : RT_BIT_32(X86_PD_SHIFT);
2969	} while (cEntries-- > 0);
2970
2971	return VINF_SUCCESS;
2972	}
2973
2974
2975	/**
2976	* @callback_method_impl{FNDBGCCMD, The 'dpdb' command.}
2977	*/
2978	static DECLCALLBACK(int) dbgcCmdDumpPageDirBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2979	{
2980	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2981	int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dpdg %DV", &paArgs[0]);
2982	int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpdh %DV", &paArgs[0]);
2983	if (RT_FAILURE(rc1))
2984	return rc1;
2985	NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
2986	return rc2;
2987	}
2988
2989
2990	/**
2991	* @callback_method_impl{FNDBGCCMD, The 'dph*' commands and main part of 'm'.}
2992	*/
2993	static DECLCALLBACK(int) dbgcCmdDumpPageHierarchy(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2994	{
2995	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2996	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2997
2998	/*
2999	* Figure the context and base flags.
3000	*/
3001	uint32_t fFlags = DBGFPGDMP_FLAGS_PAGE_INFO \| DBGFPGDMP_FLAGS_PRINT_CR3;
3002	if (pCmd->pszCmd[0] == 'm')
3003	fFlags \|= DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW;
3004	else if (pCmd->pszCmd[3] == '\0')
3005	fFlags \|= pDbgc->fRegCtxGuest ? DBGFPGDMP_FLAGS_GUEST : DBGFPGDMP_FLAGS_SHADOW;
3006	else if (pCmd->pszCmd[3] == 'g')
3007	fFlags \|= DBGFPGDMP_FLAGS_GUEST;
3008	else if (pCmd->pszCmd[3] == 'h')
3009	fFlags \|= DBGFPGDMP_FLAGS_SHADOW;
3010	else
3011	AssertFailed();
3012
3013	if (pDbgc->cPagingHierarchyDumps == 0)
3014	fFlags \|= DBGFPGDMP_FLAGS_HEADER;
3015	pDbgc->cPagingHierarchyDumps = (pDbgc->cPagingHierarchyDumps + 1) % 42;
3016
3017	/*
3018	* Get the range.
3019	*/
3020	PCDBGCVAR pRange = cArgs > 0 ? &paArgs[0] : pDbgc->pLastPos;
3021	RTGCPTR GCPtrFirst = NIL_RTGCPTR;
3022	int rc = DBGCCmdHlpVarToFlatAddr(pCmdHlp, pRange, &GCPtrFirst);
3023	if (RT_FAILURE(rc))
3024	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to convert %DV to a flat address: %Rrc", pRange, rc);
3025
3026	uint64_t cbRange;
3027	rc = DBGCCmdHlpVarGetRange(pCmdHlp, pRange, PAGE_SIZE, PAGE_SIZE * 8, &cbRange);
3028	if (RT_FAILURE(rc))
3029	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to obtain the range of %DV: %Rrc", pRange, rc);
3030
3031	RTGCPTR GCPtrLast = RTGCPTR_MAX - GCPtrFirst;
3032	if (cbRange >= GCPtrLast)
3033	GCPtrLast = RTGCPTR_MAX;
3034	else if (!cbRange)
3035	GCPtrLast = GCPtrFirst;
3036	else
3037	GCPtrLast = GCPtrFirst + cbRange - 1;
3038
3039	/*
3040	* Do we have a CR3?
3041	*/
3042	uint64_t cr3 = 0;
3043	if (cArgs > 1)
3044	{
3045	if ((fFlags & (DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW)) == (DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW))
3046	return DBGCCmdHlpFail(pCmdHlp, pCmd, "No CR3 or mode arguments when dumping both context, please.");
3047	if (paArgs[1].enmType != DBGCVAR_TYPE_NUMBER)
3048	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The CR3 argument is not a number: %DV", &paArgs[1]);
3049	cr3 = paArgs[1].u.u64Number;
3050	}
3051	else
3052	fFlags \|= DBGFPGDMP_FLAGS_CURRENT_CR3;
3053
3054	/*
3055	* Do we have a mode?
3056	*/
3057	if (cArgs > 2)
3058	{
3059	if (paArgs[2].enmType != DBGCVAR_TYPE_STRING)
3060	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The mode argument is not a string: %DV", &paArgs[2]);
3061	static const struct MODETOFLAGS
3062	{
3063	const char *pszName;
3064	uint32_t fFlags;
3065	} s_aModeToFlags[] =
3066	{
3067	{ "ept", DBGFPGDMP_FLAGS_EPT },
3068	{ "legacy", 0 },
3069	{ "legacy-np", DBGFPGDMP_FLAGS_NP },
3070	{ "pse", DBGFPGDMP_FLAGS_PSE },
3071	{ "pse-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_NP },
3072	{ "pae", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE },
3073	{ "pae-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_NP },
3074	{ "pae-nx", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_NXE },
3075	{ "pae-nx-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_NXE \| DBGFPGDMP_FLAGS_NP },
3076	{ "long", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME },
3077	{ "long-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME \| DBGFPGDMP_FLAGS_NP },
3078	{ "long-nx", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME \| DBGFPGDMP_FLAGS_NXE },
3079	{ "long-nx-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME \| DBGFPGDMP_FLAGS_NXE \| DBGFPGDMP_FLAGS_NP }
3080	};
3081	int i = RT_ELEMENTS(s_aModeToFlags);
3082	while (i-- > 0)
3083	if (!strcmp(s_aModeToFlags[i].pszName, paArgs[2].u.pszString))
3084	{
3085	fFlags \|= s_aModeToFlags[i].fFlags;
3086	break;
3087	}
3088	if (i < 0)
3089	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown mode: \"%s\"", paArgs[2].u.pszString);
3090	}
3091	else
3092	fFlags \|= DBGFPGDMP_FLAGS_CURRENT_MODE;
3093
3094	/*
3095	* Call the worker.
3096	*/
3097	rc = DBGFR3PagingDumpEx(pUVM, pDbgc->idCpu, fFlags, cr3, GCPtrFirst, GCPtrLast, 99 /cMaxDepth/,
3098	DBGCCmdHlpGetDbgfOutputHlp(pCmdHlp));
3099	if (RT_FAILURE(rc))
3100	return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3PagingDumpEx: %Rrc\n", rc);
3101	return VINF_SUCCESS;
3102	}
3103
3104
3105
3106	/**
3107	* @callback_method_impl{FNDBGCCMD, The 'dpg*' commands.}
3108	*/
3109	static DECLCALLBACK(int) dbgcCmdDumpPageTable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3110	{
3111	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3112
3113	/*
3114	* Validate input.
3115	*/
3116	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1);
3117	if (pCmd->pszCmd[3] == 'a')
3118	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3119	else
3120	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3121	\|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
3122	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3123
3124	/*
3125	* Guest or shadow page tables? Get the paging parameters.
3126	*/
3127	bool fGuest = pCmd->pszCmd[3] != 'h';
3128	if (!pCmd->pszCmd[3] \|\| pCmd->pszCmd[3] == 'a')
3129	fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
3130	? pDbgc->fRegCtxGuest
3131	: DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
3132
3133	bool fPAE, fLME, fPSE, fPGE, fNXE;
3134	uint64_t cr3 = fGuest
3135	? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
3136	: dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
3137	const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
3138
3139	/*
3140	* Locate the PTE to start displaying at.
3141	*
3142	* The 'dpta' command takes the address of a PTE, while the others are guest
3143	* virtual address which PTEs should be displayed. So, 'pdta' is rather simple
3144	* while the others require us to do all the tedious walking thru the paging
3145	* hierarchy to find the intended PTE.
3146	*/
3147	unsigned iEntry = ~0U; /* The page table index. ~0U for 'dpta'. */
3148	DBGCVAR VarGCPtr; /* The GC address corresponding to the current PTE (iEntry != ~0U). */
3149	DBGCVAR VarPTEAddr; /* The address of the current PTE. */
3150	unsigned cEntries; /* The number of entries to display. */
3151	unsigned cEntriesMax; /* The max number of entries to display. */
3152	int rc;
3153	if (pCmd->pszCmd[3] == 'a')
3154	{
3155	VarPTEAddr = paArgs[0];
3156	switch (VarPTEAddr.enmRangeType)
3157	{
3158	case DBGCVAR_RANGE_BYTES: cEntries = VarPTEAddr.u64Range / cbEntry; break;
3159	case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPTEAddr.u64Range; break;
3160	default: cEntries = 10; break;
3161	}
3162	cEntriesMax = PAGE_SIZE / cbEntry;
3163	}
3164	else
3165	{
3166	/*
3167	* Determine the range.
3168	*/
3169	switch (paArgs[0].enmRangeType)
3170	{
3171	case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
3172	case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
3173	default: cEntries = 10; break;
3174	}
3175
3176	/*
3177	* Normalize the input address, it must be a flat GC address.
3178	*/
3179	rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
3180	if (RT_FAILURE(rc))
3181	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
3182	if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
3183	{
3184	VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
3185	VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
3186	}
3187	VarGCPtr.u.GCFlat &= ~(RTGCPTR)PAGE_OFFSET_MASK;
3188
3189	/*
3190	* Do the paging walk until we get to the page table.
3191	*/
3192	DBGCVAR VarCur;
3193	if (fGuest)
3194	DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
3195	else
3196	DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
3197	if (fLME)
3198	{
3199	/* Page Map Level 4 Lookup. */
3200	/* Check if it's a valid address first? */
3201	VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
3202	VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
3203	X86PML4E Pml4e;
3204	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
3205	if (RT_FAILURE(rc))
3206	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
3207	if (!Pml4e.n.u1Present)
3208	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
3209
3210	VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
3211	Assert(fPAE);
3212	}
3213	if (fPAE)
3214	{
3215	/* Page directory pointer table. */
3216	X86PDPE Pdpe;
3217	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
3218	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
3219	if (RT_FAILURE(rc))
3220	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
3221	if (!Pdpe.n.u1Present)
3222	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
3223
3224	VarCur.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
3225
3226	/* Page directory (PAE). */
3227	X86PDEPAE Pde;
3228	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK) * sizeof(Pde);
3229	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
3230	if (RT_FAILURE(rc))
3231	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
3232	if (!Pde.n.u1Present)
3233	return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
3234	if (fPSE && Pde.n.u1Size)
3235	return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
3236
3237	iEntry = (VarGCPtr.u.GCFlat >> X86_PT_PAE_SHIFT) & X86_PT_PAE_MASK;
3238	VarPTEAddr = VarCur;
3239	VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PAE_PG_MASK;
3240	VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTEPAE);
3241	}
3242	else
3243	{
3244	/* Page directory (legacy). */
3245	X86PDE Pde;
3246	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK) * sizeof(Pde);
3247	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
3248	if (RT_FAILURE(rc))
3249	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
3250	if (!Pde.n.u1Present)
3251	return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
3252	if (fPSE && Pde.n.u1Size)
3253	return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
3254
3255	iEntry = (VarGCPtr.u.GCFlat >> X86_PT_SHIFT) & X86_PT_MASK;
3256	VarPTEAddr = VarCur;
3257	VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PG_MASK;
3258	VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTE);
3259	}
3260	cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
3261	}
3262
3263	/* adjust cEntries */
3264	cEntries = RT_MAX(1, cEntries);
3265	cEntries = RT_MIN(cEntries, cEntriesMax);
3266
3267	/*
3268	* The display loop.
3269	*/
3270	DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (base %DV / index %#x):\n" : "%DV:\n",
3271	&VarPTEAddr, &VarGCPtr, iEntry);
3272	do
3273	{
3274	/*
3275	* Read.
3276	*/
3277	X86PTEPAE Pte;
3278	Pte.u = 0;
3279	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pte, cbEntry, &VarPTEAddr, NULL);
3280	if (RT_FAILURE(rc))
3281	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PTE memory at %DV.\n", &VarPTEAddr);
3282
3283	/*
3284	* Display.
3285	*/
3286	if (iEntry != ~0U)
3287	{
3288	DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
3289	iEntry++;
3290	}
3291	DBGCCmdHlpPrintf(pCmdHlp,
3292	fPAE
3293	? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
3294	: "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
3295	Pte.u,
3296	Pte.u & X86_PTE_PAE_PG_MASK,
3297	Pte.n.u1Present ? "p " : "np",
3298	Pte.n.u1Write ? "w" : "r",
3299	Pte.n.u1User ? "u" : "s",
3300	Pte.n.u1Accessed ? "a " : "na",
3301	Pte.n.u1Dirty ? "d " : "nd",
3302	Pte.n.u3Available,
3303	Pte.n.u1Global ? (fPGE ? "g" : "G") : " ",
3304	Pte.n.u1WriteThru ? "pwt" : " ",
3305	Pte.n.u1CacheDisable ? "pcd" : " ",
3306	Pte.n.u1PAT ? "pat" : " ",
3307	Pte.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " "
3308	);
3309	if (Pte.u & UINT64_C(0x7fff000000000000))
3310	DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pte.u & UINT64_C(0x7fff000000000000)));
3311	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
3312	if (RT_FAILURE(rc))
3313	return rc;
3314
3315	/*
3316	* Advance.
3317	*/
3318	VarPTEAddr.u.u64Number += cbEntry;
3319	if (iEntry != ~0U)
3320	VarGCPtr.u.GCFlat += PAGE_SIZE;
3321	} while (cEntries-- > 0);
3322
3323	return VINF_SUCCESS;
3324	}
3325
3326
3327	/**
3328	* @callback_method_impl{FNDBGCCMD, The 'dptb' command.}
3329	*/
3330	static DECLCALLBACK(int) dbgcCmdDumpPageTableBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3331	{
3332	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3333	int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dptg %DV", &paArgs[0]);
3334	int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpth %DV", &paArgs[0]);
3335	if (RT_FAILURE(rc1))
3336	return rc1;
3337	NOREF(pCmd); NOREF(cArgs);
3338	return rc2;
3339	}
3340
3341
3342	/**
3343	* @callback_method_impl{FNDBGCCMD, The 'dt' command.}
3344	*/
3345	static DECLCALLBACK(int) dbgcCmdDumpTSS(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3346	{
3347	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3348	int rc;
3349
3350	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3351	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3352	if (cArgs == 1)
3353	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType != DBGCVAR_TYPE_STRING
3354	&& paArgs[0].enmType != DBGCVAR_TYPE_SYMBOL);
3355
3356	/*
3357	* Check if the command indicates the type.
3358	*/
3359	enum { kTss16, kTss32, kTss64, kTssToBeDetermined } enmTssType = kTssToBeDetermined;
3360	if (!strcmp(pCmd->pszCmd, "dt16"))
3361	enmTssType = kTss16;
3362	else if (!strcmp(pCmd->pszCmd, "dt32"))
3363	enmTssType = kTss32;
3364	else if (!strcmp(pCmd->pszCmd, "dt64"))
3365	enmTssType = kTss64;
3366
3367	/*
3368	* We can get a TSS selector (number), a far pointer using a TSS selector, or some kind of TSS pointer.
3369	*/
3370	uint32_t SelTss = UINT32_MAX;
3371	DBGCVAR VarTssAddr;
3372	if (cArgs == 0)
3373	{
3374	/** @todo consider querying the hidden bits instead (missing API). */
3375	uint16_t SelTR;
3376	rc = DBGFR3RegCpuQueryU16(pUVM, pDbgc->idCpu, DBGFREG_TR, &SelTR);
3377	if (RT_FAILURE(rc))
3378	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to query TR, rc=%Rrc\n", rc);
3379	DBGCVAR_INIT_GC_FAR(&VarTssAddr, SelTR, 0);
3380	SelTss = SelTR;
3381	}
3382	else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
3383	{
3384	if (paArgs[0].u.u64Number < 0xffff)
3385	DBGCVAR_INIT_GC_FAR(&VarTssAddr, (RTSEL)paArgs[0].u.u64Number, 0);
3386	else
3387	{
3388	if (paArgs[0].enmRangeType == DBGCVAR_RANGE_ELEMENTS)
3389	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Element count doesn't combine with a TSS address.\n");
3390	DBGCVAR_INIT_GC_FLAT(&VarTssAddr, paArgs[0].u.u64Number);
3391	if (paArgs[0].enmRangeType == DBGCVAR_RANGE_BYTES)
3392	{
3393	VarTssAddr.enmRangeType = paArgs[0].enmRangeType;
3394	VarTssAddr.u64Range = paArgs[0].u64Range;
3395	}
3396	}
3397	}
3398	else
3399	VarTssAddr = paArgs[0];
3400
3401	/*
3402	* Deal with TSS:ign by means of the GDT.
3403	*/
3404	if (VarTssAddr.enmType == DBGCVAR_TYPE_GC_FAR)
3405	{
3406	SelTss = VarTssAddr.u.GCFar.sel;
3407	DBGFSELINFO SelInfo;
3408	rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, VarTssAddr.u.GCFar.sel, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
3409	if (RT_FAILURE(rc))
3410	return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3SelQueryInfo(,%u,%d,,) -> %Rrc.\n",
3411	pDbgc->idCpu, VarTssAddr.u.GCFar.sel, rc);
3412
3413	if (SelInfo.u.Raw.Gen.u1DescType)
3414	return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (!sys)\n", VarTssAddr.u.GCFar.sel);
3415
3416	switch (SelInfo.u.Raw.Gen.u4Type)
3417	{
3418	case X86_SEL_TYPE_SYS_286_TSS_BUSY:
3419	case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
3420	if (enmTssType == kTssToBeDetermined)
3421	enmTssType = kTss16;
3422	break;
3423
3424	case X86_SEL_TYPE_SYS_386_TSS_BUSY: /* AMD64 too */
3425	case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
3426	if (enmTssType == kTssToBeDetermined)
3427	enmTssType = SelInfo.fFlags & DBGFSELINFO_FLAGS_LONG_MODE ? kTss64 : kTss32;
3428	break;
3429
3430	default:
3431	return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (type=%x)\n",
3432	VarTssAddr.u.GCFar.sel, SelInfo.u.Raw.Gen.u4Type);
3433	}
3434
3435	DBGCVAR_INIT_GC_FLAT(&VarTssAddr, SelInfo.GCPtrBase);
3436	DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, RT_MAX(SelInfo.cbLimit + 1, SelInfo.cbLimit));
3437	}
3438
3439	/*
3440	* Determine the TSS type if none is currently given.
3441	*/
3442	if (enmTssType == kTssToBeDetermined)
3443	{
3444	if ( VarTssAddr.u64Range > 0
3445	&& VarTssAddr.u64Range < sizeof(X86TSS32) - 4)
3446	enmTssType = kTss16;
3447	else
3448	{
3449	uint64_t uEfer;
3450	rc = DBGFR3RegCpuQueryU64(pUVM, pDbgc->idCpu, DBGFREG_MSR_K6_EFER, &uEfer);
3451	if ( RT_FAILURE(rc)
3452	\|\| !(uEfer & MSR_K6_EFER_LMA) )
3453	enmTssType = kTss32;
3454	else
3455	enmTssType = kTss64;
3456	}
3457	}
3458
3459	/*
3460	* Figure the min/max sizes.
3461	* ASSUMES max TSS size is 64 KB.
3462	*/
3463	uint32_t cbTssMin;
3464	uint32_t cbTssMax;
3465	switch (enmTssType)
3466	{
3467	case kTss16:
3468	cbTssMin = cbTssMax = sizeof(X86TSS16);
3469	break;
3470	case kTss32:
3471	cbTssMin = RT_OFFSETOF(X86TSS32, IntRedirBitmap);
3472	cbTssMax = _64K;
3473	break;
3474	case kTss64:
3475	cbTssMin = RT_OFFSETOF(X86TSS64, IntRedirBitmap);
3476	cbTssMax = _64K;
3477	break;
3478	default:
3479	AssertFailedReturn(VERR_INTERNAL_ERROR);
3480	}
3481	uint32_t cbTss = VarTssAddr.enmRangeType == DBGCVAR_RANGE_BYTES ? (uint32_t)VarTssAddr.u64Range : 0;
3482	if (cbTss == 0)
3483	cbTss = cbTssMin;
3484	else if (cbTss < cbTssMin)
3485	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Minimum TSS size is %u bytes, you specified %llu (%llx) bytes.\n",
3486	cbTssMin, VarTssAddr.u64Range, VarTssAddr.u64Range);
3487	else if (cbTss > cbTssMax)
3488	cbTss = cbTssMax;
3489	DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, cbTss);
3490
3491	/*
3492	* Read the TSS into a temporary buffer.
3493	*/
3494	uint8_t abBuf[_64K];
3495	size_t cbTssRead;
3496	rc = DBGCCmdHlpMemRead(pCmdHlp, abBuf, cbTss, &VarTssAddr, &cbTssRead);
3497	if (RT_FAILURE(rc))
3498	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read TSS at %Dv: %Rrc\n", &VarTssAddr, rc);
3499	if (cbTssRead < cbTssMin)
3500	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read essential parts of the TSS (read %zu, min %zu).\n",
3501	cbTssRead, cbTssMin);
3502	if (cbTssRead < cbTss)
3503	memset(&abBuf[cbTssRead], 0xff, cbTss - cbTssRead);
3504
3505
3506	/*
3507	* Format the TSS.
3508	*/
3509	uint16_t offIoBitmap;
3510	switch (enmTssType)
3511	{
3512	case kTss16:
3513	{
3514	PCX86TSS16 pTss = (PCX86TSS16)&abBuf[0];
3515	if (SelTss != UINT32_MAX)
3516	DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS16 at %Dv\n", SelTss, &VarTssAddr);
3517	else
3518	DBGCCmdHlpPrintf(pCmdHlp, "TSS16 at %Dv\n", &VarTssAddr);
3519	DBGCCmdHlpPrintf(pCmdHlp,
3520	"ax=%04x bx=%04x cx=%04x dx=%04x si=%04x di=%04x\n"
3521	"ip=%04x sp=%04x bp=%04x\n"
3522	"cs=%04x ss=%04x ds=%04x es=%04x flags=%04x\n"
3523	"ss:sp0=%04x:%04x ss:sp1=%04x:%04x ss:sp2=%04x:%04x\n"
3524	"prev=%04x ldtr=%04x\n"
3525	,
3526	pTss->ax, pTss->bx, pTss->cx, pTss->dx, pTss->si, pTss->di,
3527	pTss->ip, pTss->sp, pTss->bp,
3528	pTss->cs, pTss->ss, pTss->ds, pTss->es, pTss->flags,
3529	pTss->ss0, pTss->sp0, pTss->ss1, pTss->sp1, pTss->ss2, pTss->sp2,
3530	pTss->selPrev, pTss->selLdt);
3531	if (pTss->cs != 0)
3532	pCmdHlp->pfnExec(pCmdHlp, "u %04x:%04x L 0", pTss->cs, pTss->ip);
3533	offIoBitmap = 0;
3534	break;
3535	}
3536
3537	case kTss32:
3538	{
3539	PCX86TSS32 pTss = (PCX86TSS32)&abBuf[0];
3540	if (SelTss != UINT32_MAX)
3541	DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS32 at %Dv (min=%04x)\n", SelTss, &VarTssAddr, cbTssMin);
3542	else
3543	DBGCCmdHlpPrintf(pCmdHlp, "TSS32 at %Dv (min=%04x)\n", &VarTssAddr, cbTssMin);
3544	DBGCCmdHlpPrintf(pCmdHlp,
3545	"eax=%08x bx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x\n"
3546	"eip=%08x esp=%08x ebp=%08x\n"
3547	"cs=%04x ss=%04x ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n"
3548	"ss:esp0=%04x:%08x ss:esp1=%04x:%08x ss:esp2=%04x:%08x\n"
3549	"prev=%04x ldtr=%04x cr3=%08x debug=%u iomap=%04x\n"
3550	,
3551	pTss->eax, pTss->ebx, pTss->ecx, pTss->edx, pTss->esi, pTss->edi,
3552	pTss->eip, pTss->esp, pTss->ebp,
3553	pTss->cs, pTss->ss, pTss->ds, pTss->es, pTss->fs, pTss->gs, pTss->eflags,
3554	pTss->ss0, pTss->esp0, pTss->ss1, pTss->esp1, pTss->ss2, pTss->esp2,
3555	pTss->selPrev, pTss->selLdt, pTss->cr3, pTss->fDebugTrap, pTss->offIoBitmap);
3556	if (pTss->cs != 0)
3557	pCmdHlp->pfnExec(pCmdHlp, "u %04x:%08x L 0", pTss->cs, pTss->eip);
3558	offIoBitmap = pTss->offIoBitmap;
3559	break;
3560	}
3561
3562	case kTss64:
3563	{
3564	PCX86TSS64 pTss = (PCX86TSS64)&abBuf[0];
3565	if (SelTss != UINT32_MAX)
3566	DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS64 at %Dv (min=%04x)\n", SelTss, &VarTssAddr, cbTssMin);
3567	else
3568	DBGCCmdHlpPrintf(pCmdHlp, "TSS64 at %Dv (min=%04x)\n", &VarTssAddr, cbTssMin);
3569	DBGCCmdHlpPrintf(pCmdHlp,
3570	"rsp0=%016RX16 rsp1=%016RX16 rsp2=%016RX16\n"
3571	"ist1=%016RX16 ist2=%016RX16\n"
3572	"ist3=%016RX16 ist4=%016RX16\n"
3573	"ist5=%016RX16 ist6=%016RX16\n"
3574	"ist7=%016RX16 iomap=%04x\n"
3575	,
3576	pTss->rsp0, pTss->rsp1, pTss->rsp2,
3577	pTss->ist1, pTss->ist2,
3578	pTss->ist3, pTss->ist4,
3579	pTss->ist5, pTss->ist6,
3580	pTss->ist7, pTss->offIoBitmap);
3581	offIoBitmap = pTss->offIoBitmap;
3582	break;
3583	}
3584
3585	default:
3586	AssertFailedReturn(VERR_INTERNAL_ERROR);
3587	}
3588
3589	/*
3590	* Dump the interrupt redirection bitmap.
3591	*/
3592	if (enmTssType != kTss16)
3593	{
3594	if ( offIoBitmap > cbTssMin
3595	&& offIoBitmap < cbTss) /** @todo check exactly what the edge cases are here. */
3596	{
3597	if (offIoBitmap - cbTssMin >= 32)
3598	{
3599	DBGCCmdHlpPrintf(pCmdHlp, "Interrupt redirection:\n");
3600	uint8_t const *pbIntRedirBitmap = &abBuf[offIoBitmap - 32];
3601	uint32_t iStart = 0;
3602	bool fPrev = ASMBitTest(pbIntRedirBitmap, 0); /* LE/BE issue */
3603	for (uint32_t i = 0; i < 256; i++)
3604	{
3605	bool fThis = ASMBitTest(pbIntRedirBitmap, i);
3606	if (fThis != fPrev)
3607	{
3608	DBGCCmdHlpPrintf(pCmdHlp, "%02x-%02x %s\n", iStart, i - 1, fPrev ? "Protected mode" : "Redirected");
3609	fPrev = fThis;
3610	iStart = i;
3611	}
3612	}
3613	if (iStart != 255)
3614	DBGCCmdHlpPrintf(pCmdHlp, "%02x-%02x %s\n", iStart, 255, fPrev ? "Protected mode" : "Redirected");
3615	}
3616	else
3617	DBGCCmdHlpPrintf(pCmdHlp, "Invalid interrupt redirection bitmap size: %u (%#x), expected 32 bytes.\n",
3618	offIoBitmap - cbTssMin, offIoBitmap - cbTssMin);
3619	}
3620	else if (offIoBitmap > 0)
3621	DBGCCmdHlpPrintf(pCmdHlp, "No interrupt redirection bitmap (-%#x)\n", cbTssMin - offIoBitmap);
3622	else
3623	DBGCCmdHlpPrintf(pCmdHlp, "No interrupt redirection bitmap\n");
3624	}
3625
3626	/*
3627	* Dump the I/O permission bitmap if present. The IOPM cannot start below offset 0x64
3628	* (that applies to both 32-bit and 64-bit TSSs since their size is the same).
3629	*/
3630	if (enmTssType != kTss16)
3631	{
3632	if (offIoBitmap < cbTss && offIoBitmap >= 0x64)
3633	{
3634	uint32_t cPorts = RT_MIN((cbTss - offIoBitmap) * 8, _64K);
3635	DBGCVAR VarAddr;
3636	DBGCCmdHlpEval(pCmdHlp, &VarAddr, "%DV + %#x", &VarTssAddr, offIoBitmap);
3637	DBGCCmdHlpPrintf(pCmdHlp, "I/O bitmap at %DV - %#x ports:\n", &VarAddr, cPorts);
3638
3639	uint8_t const *pbIoBitmap = &abBuf[offIoBitmap];
3640	uint32_t iStart = 0;
3641	bool fPrev = ASMBitTest(pbIoBitmap, 0);
3642	uint32_t cLine = 0;
3643	for (uint32_t i = 1; i < cPorts; i++)
3644	{
3645	bool fThis = ASMBitTest(pbIoBitmap, i);
3646	if (fThis != fPrev)
3647	{
3648	cLine++;
3649	DBGCCmdHlpPrintf(pCmdHlp, "%04x-%04x %s%s", iStart, i-1,
3650	fPrev ? "GP" : "OK", (cLine % 6) == 0 ? "\n" : " ");
3651	fPrev = fThis;
3652	iStart = i;
3653	}
3654	}
3655	if (iStart != _64K-1)
3656	DBGCCmdHlpPrintf(pCmdHlp, "%04x-%04x %s\n", iStart, _64K-1, fPrev ? "GP" : "OK");
3657	}
3658	else if (offIoBitmap > 0)
3659	DBGCCmdHlpPrintf(pCmdHlp, "No I/O bitmap (-%#x)\n", cbTssMin - offIoBitmap);
3660	else
3661	DBGCCmdHlpPrintf(pCmdHlp, "No I/O bitmap\n");
3662	}
3663
3664	return VINF_SUCCESS;
3665	}
3666
3667
3668	/**
3669	* @callback_method_impl{FNDBGCCMD, The 'm' command.}
3670	*/
3671	static DECLCALLBACK(int) dbgcCmdMemoryInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3672	{
3673	DBGCCmdHlpPrintf(pCmdHlp, "Address: %DV\n", &paArgs[0]);
3674	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3675	return dbgcCmdDumpPageHierarchy(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
3676	}
3677
3678
3679	/**
3680	* Converts one or more variables into a byte buffer for a
3681	* given unit size.
3682	*
3683	* @returns VBox status codes:
3684	* @retval VERR_TOO_MUCH_DATA if the buffer is too small, bitched.
3685	* @retval VERR_INTERNAL_ERROR on bad variable type, bitched.
3686	* @retval VINF_SUCCESS on success.
3687	*
3688	* @param pvBuf The buffer to convert into.
3689	* @param pcbBuf The buffer size on input. The size of the result on output.
3690	* @param cbUnit The unit size to apply when converting.
3691	* The high bit is used to indicate unicode string.
3692	* @param paVars The array of variables to convert.
3693	* @param cVars The number of variables.
3694	*/
3695	int dbgcVarsToBytes(PDBGCCMDHLP pCmdHlp, void pvBuf, uint32_t pcbBuf, size_t cbUnit, PCDBGCVAR paVars, unsigned cVars)
3696	{
3697	union
3698	{
3699	uint8_t *pu8;
3700	uint16_t *pu16;
3701	uint32_t *pu32;
3702	uint64_t *pu64;
3703	} u, uEnd;
3704	u.pu8 = (uint8_t *)pvBuf;
3705	uEnd.pu8 = u.pu8 + *pcbBuf;
3706
3707	unsigned i;
3708	for (i = 0; i < cVars && u.pu8 < uEnd.pu8; i++)
3709	{
3710	switch (paVars[i].enmType)
3711	{
3712	case DBGCVAR_TYPE_GC_FAR:
3713	case DBGCVAR_TYPE_GC_FLAT:
3714	case DBGCVAR_TYPE_GC_PHYS:
3715	case DBGCVAR_TYPE_HC_FLAT:
3716	case DBGCVAR_TYPE_HC_PHYS:
3717	case DBGCVAR_TYPE_NUMBER:
3718	{
3719	uint64_t u64 = paVars[i].u.u64Number;
3720	switch (cbUnit & 0x1f)
3721	{
3722	case 1:
3723	do
3724	{
3725	*u.pu8++ = u64;
3726	u64 >>= 8;
3727	} while (u64);
3728	break;
3729	case 2:
3730	do
3731	{
3732	*u.pu16++ = u64;
3733	u64 >>= 16;
3734	} while (u64);
3735	break;
3736	case 4:
3737	*u.pu32++ = u64;
3738	u64 >>= 32;
3739	if (u64)
3740	*u.pu32++ = u64;
3741	break;
3742	case 8:
3743	*u.pu64++ = u64;
3744	break;
3745	}
3746	break;
3747	}
3748
3749	case DBGCVAR_TYPE_STRING:
3750	case DBGCVAR_TYPE_SYMBOL:
3751	{
3752	const char *psz = paVars[i].u.pszString;
3753	size_t cbString = strlen(psz);
3754	if (cbUnit & RT_BIT_32(31))
3755	{
3756	/* Explode char to unit. */
3757	if (cbString > (uintptr_t)(uEnd.pu8 - u.pu8) * (cbUnit & 0x1f))
3758	{
3759	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
3760	return VERR_TOO_MUCH_DATA;
3761	}
3762	while (*psz)
3763	{
3764	switch (cbUnit & 0x1f)
3765	{
3766	case 1: u.pu8++ = psz; break;
3767	case 2: u.pu16++ = psz; break;
3768	case 4: u.pu32++ = psz; break;
3769	case 8: u.pu64++ = psz; break;
3770	}
3771	psz++;
3772	}
3773	}
3774	else
3775	{
3776	/* Raw copy with zero padding if the size isn't aligned. */
3777	if (cbString > (uintptr_t)(uEnd.pu8 - u.pu8))
3778	{
3779	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
3780	return VERR_TOO_MUCH_DATA;
3781	}
3782
3783	size_t cbCopy = cbString & ~(cbUnit - 1);
3784	memcpy(u.pu8, psz, cbCopy);
3785	u.pu8 += cbCopy;
3786	psz += cbCopy;
3787
3788	size_t cbReminder = cbString & (cbUnit - 1);
3789	if (cbReminder)
3790	{
3791	memcpy(u.pu8, psz, cbString & (cbUnit - 1));
3792	memset(u.pu8 + cbReminder, 0, cbUnit - cbReminder);
3793	u.pu8 += cbUnit;
3794	}
3795	}
3796	break;
3797	}
3798
3799	default:
3800	pcbBuf = u.pu8 - (uint8_t )pvBuf;
3801	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_INTERNAL_ERROR,
3802	"i=%d enmType=%d\n", i, paVars[i].enmType);
3803	return VERR_INTERNAL_ERROR;
3804	}
3805	}
3806	pcbBuf = u.pu8 - (uint8_t )pvBuf;
3807	if (i != cVars)
3808	{
3809	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
3810	return VERR_TOO_MUCH_DATA;
3811	}
3812	return VINF_SUCCESS;
3813	}
3814
3815
3816	/**
3817	* @callback_method_impl{FNDBGCCMD, The 'eb'\, 'ew'\, 'ed' and 'eq' commands.}
3818	*/
3819	static DECLCALLBACK(int) dbgcCmdEditMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3820	{
3821	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3822	unsigned iArg;
3823
3824	/*
3825	* Validate input.
3826	*/
3827	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs >= 2);
3828	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3829	for (iArg = 1; iArg < cArgs; iArg++)
3830	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER);
3831	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3832
3833	/*
3834	* Figure out the element size.
3835	*/
3836	unsigned cbElement;
3837	switch (pCmd->pszCmd[1])
3838	{
3839	default:
3840	case 'b': cbElement = 1; break;
3841	case 'w': cbElement = 2; break;
3842	case 'd': cbElement = 4; break;
3843	case 'q': cbElement = 8; break;
3844	}
3845
3846	/*
3847	* Do setting.
3848	*/
3849	DBGCVAR Addr = paArgs[0];
3850	for (iArg = 1;;)
3851	{
3852	size_t cbWritten;
3853	int rc = pCmdHlp->pfnMemWrite(pCmdHlp, &paArgs[iArg].u, cbElement, &Addr, &cbWritten);
3854	if (RT_FAILURE(rc))
3855	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Writing memory at %DV.\n", &Addr);
3856	if (cbWritten != cbElement)
3857	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Only wrote %u out of %u bytes!\n", cbWritten, cbElement);
3858
3859	/* advance. */
3860	iArg++;
3861	if (iArg >= cArgs)
3862	break;
3863	rc = DBGCCmdHlpEval(pCmdHlp, &Addr, "%Dv + %#x", &Addr, cbElement);
3864	if (RT_FAILURE(rc))
3865	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
3866	}
3867
3868	return VINF_SUCCESS;
3869	}
3870
3871
3872	/**
3873	* Executes the search.
3874	*
3875	* @returns VBox status code.
3876	* @param pCmdHlp The command helpers.
3877	* @param pUVM The user mode VM handle.
3878	* @param pAddress The address to start searching from. (undefined on output)
3879	* @param cbRange The address range to search. Must not wrap.
3880	* @param pabBytes The byte pattern to search for.
3881	* @param cbBytes The size of the pattern.
3882	* @param cbUnit The search unit.
3883	* @param cMaxHits The max number of hits.
3884	* @param pResult Where to store the result if it's a function invocation.
3885	*/
3886	static int dbgcCmdWorkerSearchMemDoIt(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGFADDRESS pAddress, RTGCUINTPTR cbRange,
3887	const uint8_t *pabBytes, uint32_t cbBytes,
3888	uint32_t cbUnit, uint64_t cMaxHits, PDBGCVAR pResult)
3889	{
3890	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3891
3892	/*
3893	* Do the search.
3894	*/
3895	uint64_t cHits = 0;
3896	for (;;)
3897	{
3898	/* search */
3899	DBGFADDRESS HitAddress;
3900	int rc = DBGFR3MemScan(pUVM, pDbgc->idCpu, pAddress, cbRange, 1, pabBytes, cbBytes, &HitAddress);
3901	if (RT_FAILURE(rc))
3902	{
3903	if (rc != VERR_DBGF_MEM_NOT_FOUND)
3904	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3MemScan\n");
3905
3906	/* update the current address so we can save it (later). */
3907	pAddress->off += cbRange;
3908	pAddress->FlatPtr += cbRange;
3909	cbRange = 0;
3910	break;
3911	}
3912
3913	/* report result */
3914	DBGCVAR VarCur;
3915	rc = DBGCCmdHlpVarFromDbgfAddr(pCmdHlp, &HitAddress, &VarCur);
3916	if (RT_FAILURE(rc))
3917	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGCCmdHlpVarFromDbgfAddr\n");
3918	if (!pResult)
3919	pCmdHlp->pfnExec(pCmdHlp, "db %DV LB 10", &VarCur);
3920	else
3921	DBGCVAR_ASSIGN(pResult, &VarCur);
3922
3923	/* advance */
3924	cbRange -= HitAddress.FlatPtr - pAddress->FlatPtr;
3925	*pAddress = HitAddress;
3926	pAddress->FlatPtr += cbBytes;
3927	pAddress->off += cbBytes;
3928	if (cbRange <= cbBytes)
3929	{
3930	cbRange = 0;
3931	break;
3932	}
3933	cbRange -= cbBytes;
3934
3935	if (++cHits >= cMaxHits)
3936	{
3937	/// @todo save the search.
3938	break;
3939	}
3940	}
3941
3942	/*
3943	* Save the search so we can resume it...
3944	*/
3945	if (pDbgc->abSearch != pabBytes)
3946	{
3947	memcpy(pDbgc->abSearch, pabBytes, cbBytes);
3948	pDbgc->cbSearch = cbBytes;
3949	pDbgc->cbSearchUnit = cbUnit;
3950	}
3951	pDbgc->cMaxSearchHits = cMaxHits;
3952	pDbgc->SearchAddr = *pAddress;
3953	pDbgc->cbSearchRange = cbRange;
3954
3955	return cHits ? VINF_SUCCESS : VERR_DBGC_COMMAND_FAILED;
3956	}
3957
3958
3959	/**
3960	* Resumes the previous search.
3961	*
3962	* @returns VBox status code.
3963	* @param pCmdHlp Pointer to the command helper functions.
3964	* @param pUVM The user mode VM handle.
3965	* @param pResult Where to store the result of a function invocation.
3966	*/
3967	static int dbgcCmdWorkerSearchMemResume(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGCVAR pResult)
3968	{
3969	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3970
3971	/*
3972	* Make sure there is a previous command.
3973	*/
3974	if (!pDbgc->cbSearch)
3975	{
3976	DBGCCmdHlpPrintf(pCmdHlp, "Error: No previous search\n");
3977	return VERR_DBGC_COMMAND_FAILED;
3978	}
3979
3980	/*
3981	* Make range and address adjustments.
3982	*/
3983	DBGFADDRESS Address = pDbgc->SearchAddr;
3984	if (Address.FlatPtr == ~(RTGCUINTPTR)0)
3985	{
3986	Address.FlatPtr -= Address.off;
3987	Address.off = 0;
3988	}
3989
3990	RTGCUINTPTR cbRange = pDbgc->cbSearchRange;
3991	if (!cbRange)
3992	cbRange = ~(RTGCUINTPTR)0;
3993	if (Address.FlatPtr + cbRange < pDbgc->SearchAddr.FlatPtr)
3994	cbRange = ~(RTGCUINTPTR)0 - pDbgc->SearchAddr.FlatPtr + !!pDbgc->SearchAddr.FlatPtr;
3995
3996	return dbgcCmdWorkerSearchMemDoIt(pCmdHlp, pUVM, &Address, cbRange, pDbgc->abSearch, pDbgc->cbSearch,
3997	pDbgc->cbSearchUnit, pDbgc->cMaxSearchHits, pResult);
3998	}
3999
4000
4001	/**
4002	* Search memory, worker for the 's' and 's?' functions.
4003	*
4004	* @returns VBox status code.
4005	* @param pCmdHlp Pointer to the command helper functions.
4006	* @param pUVM The user mode VM handle.
4007	* @param pAddress Where to start searching. If no range, search till end of address space.
4008	* @param cMaxHits The maximum number of hits.
4009	* @param chType The search type.
4010	* @param paPatArgs The pattern variable array.
4011	* @param cPatArgs Number of pattern variables.
4012	* @param pResult Where to store the result of a function invocation.
4013	*/
4014	static int dbgcCmdWorkerSearchMem(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR pAddress, uint64_t cMaxHits, char chType,
4015	PCDBGCVAR paPatArgs, unsigned cPatArgs, PDBGCVAR pResult)
4016	{
4017	if (pResult)
4018	DBGCVAR_INIT_GC_FLAT(pResult, 0);
4019
4020	/*
4021	* Convert the search pattern into bytes and DBGFR3MemScan can deal with.
4022	*/
4023	uint32_t cbUnit;
4024	switch (chType)
4025	{
4026	case 'a':
4027	case 'b': cbUnit = 1; break;
4028	case 'u': cbUnit = 2 \| RT_BIT_32(31); break;
4029	case 'w': cbUnit = 2; break;
4030	case 'd': cbUnit = 4; break;
4031	case 'q': cbUnit = 8; break;
4032	default:
4033	return pCmdHlp->pfnVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "chType=%c\n", chType);
4034	}
4035	uint8_t abBytes[RT_SIZEOFMEMB(DBGC, abSearch)];
4036	uint32_t cbBytes = sizeof(abBytes);
4037	int rc = dbgcVarsToBytes(pCmdHlp, abBytes, &cbBytes, cbUnit, paPatArgs, cPatArgs);
4038	if (RT_FAILURE(rc))
4039	return VERR_DBGC_COMMAND_FAILED;
4040
4041	/*
4042	* Make DBGF address and fix the range.
4043	*/
4044	DBGFADDRESS Address;
4045	rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, pAddress, &Address);
4046	if (RT_FAILURE(rc))
4047	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", pAddress);
4048
4049	RTGCUINTPTR cbRange;
4050	switch (pAddress->enmRangeType)
4051	{
4052	case DBGCVAR_RANGE_BYTES:
4053	cbRange = pAddress->u64Range;
4054	if (cbRange != pAddress->u64Range)
4055	cbRange = ~(RTGCUINTPTR)0;
4056	break;
4057
4058	case DBGCVAR_RANGE_ELEMENTS:
4059	cbRange = (RTGCUINTPTR)(pAddress->u64Range * cbUnit);
4060	if ( cbRange != pAddress->u64Range * cbUnit
4061	\|\| cbRange < pAddress->u64Range)
4062	cbRange = ~(RTGCUINTPTR)0;
4063	break;
4064
4065	default:
4066	cbRange = ~(RTGCUINTPTR)0;
4067	break;
4068	}
4069	if (Address.FlatPtr + cbRange < Address.FlatPtr)
4070	cbRange = ~(RTGCUINTPTR)0 - Address.FlatPtr + !!Address.FlatPtr;
4071
4072	/*
4073	* Ok, do it.
4074	*/
4075	return dbgcCmdWorkerSearchMemDoIt(pCmdHlp, pUVM, &Address, cbRange, abBytes, cbBytes, cbUnit, cMaxHits, pResult);
4076	}
4077
4078
4079	/**
4080	* @callback_method_impl{FNDBGCCMD, The 's' command.}
4081	*/
4082	static DECLCALLBACK(int) dbgcCmdSearchMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4083	{
4084	/* check that the parser did what it's supposed to do. */
4085	//if ( cArgs <= 2
4086	// && paArgs[0].enmType != DBGCVAR_TYPE_STRING)
4087	// return DBGCCmdHlpPrintf(pCmdHlp, "parser error\n");
4088
4089	/*
4090	* Repeat previous search?
4091	*/
4092	if (cArgs == 0)
4093	return dbgcCmdWorkerSearchMemResume(pCmdHlp, pUVM, NULL);
4094
4095	/*
4096	* Parse arguments.
4097	*/
4098
4099	return -1;
4100	}
4101
4102
4103	/**
4104	* @callback_method_impl{FNDBGCCMD, The 's?' command.}
4105	*/
4106	static DECLCALLBACK(int) dbgcCmdSearchMemType(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4107	{
4108	/* check that the parser did what it's supposed to do. */
4109	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs >= 2 && DBGCVAR_ISGCPOINTER(paArgs[0].enmType));
4110	return dbgcCmdWorkerSearchMem(pCmdHlp, pUVM, &paArgs[0], 25, pCmd->pszCmd[1], paArgs + 1, cArgs - 1, NULL);
4111	}
4112
4113
4114	/**
4115	* Matching function for interrupts event names.
4116	*
4117	* This parses the interrupt number and length.
4118	*
4119	* @returns True if match, false if not.
4120	* @param pPattern The user specified pattern to match.
4121	* @param pszEvtName The event name.
4122	* @param pCmdHlp Command helpers for warning about malformed stuff.
4123	* @param piFirst Where to return start interrupt number on success.
4124	* @param pcInts Where to return the number of interrupts on success.
4125	*/
4126	static bool dbgcEventIsMatchingInt(PCDBGCVAR pPattern, const char *pszEvtName, PDBGCCMDHLP pCmdHlp,
4127	uint8_t piFirst, uint16_t pcInts)
4128	{
4129	/*
4130	* Ignore trailing hex digits when comparing with the event base name.
4131	*/
4132	const char *pszPattern = pPattern->u.pszString;
4133	const char *pszEnd = RTStrEnd(pszPattern, RTSTR_MAX);
4134	while ( (uintptr_t)pszEnd > (uintptr_t)pszPattern
4135	&& RT_C_IS_XDIGIT(pszEnd[-1]))
4136	pszEnd -= 1;
4137	if (RTStrSimplePatternNMatch(pszPattern, pszEnd - pszPattern, pszEvtName, RTSTR_MAX))
4138	{
4139	/*
4140	* Parse the index and length.
4141	*/
4142	if (!*pszEnd)
4143	*piFirst = 0;
4144	else
4145	{
4146	int rc = RTStrToUInt8Full(pszEnd, 16, piFirst);
4147	if (rc != VINF_SUCCESS)
4148	{
4149	if (RT_FAILURE(rc))
4150	*piFirst = 0;
4151	DBGCCmdHlpPrintf(pCmdHlp, "Warning: %Rrc parsing '%s' - interpreting it as %#x\n", rc, pszEnd, *piFirst);
4152	}
4153	}
4154
4155	if (pPattern->enmRangeType == DBGCVAR_RANGE_NONE)
4156	*pcInts = 1;
4157	else
4158	pcInts = RT_MIN(RT_MAX(pPattern->u64Range, 256 - piFirst), 1);
4159	return true;
4160	}
4161	return false;
4162	}
4163
4164
4165	/**
4166	* Updates a DBGC event config.
4167	*
4168	* @returns VINF_SUCCESS or VERR_NO_MEMORY.
4169	* @param ppEvtCfg The event configuration entry to update.
4170	* @param pszCmd The new command. Leave command alone if NULL.
4171	* @param enmEvtState The new event state.
4172	* @param fChangeCmdOnly Whether to only update the command.
4173	*/
4174	static int dbgcEventUpdate(PDBGCEVTCFG ppEvtCfg, const char pszCmd, DBGCEVTSTATE enmEvtState, bool fChangeCmdOnly)
4175	{
4176	PDBGCEVTCFG pEvtCfg = *ppEvtCfg;
4177
4178	/*
4179	* If we've got a command string, update the command too.
4180	*/
4181	if (pszCmd)
4182	{
4183	size_t cchCmd = strlen(pszCmd);
4184	if ( !cchCmd
4185	&& ( !fChangeCmdOnly
4186	? enmEvtState == kDbgcEvtState_Disabled
4187	: !pEvtCfg \|\| pEvtCfg->enmState == kDbgcEvtState_Disabled))
4188	{
4189	/* NULL entry is fine if no command and disabled. */
4190	RTMemFree(pEvtCfg);
4191	*ppEvtCfg = NULL;
4192	}
4193	else
4194	{
4195	if (!pEvtCfg \|\| pEvtCfg->cchCmd < cchCmd)
4196	{
4197	RTMemFree(pEvtCfg);
4198	*ppEvtCfg = pEvtCfg = (PDBGCEVTCFG)RTMemAlloc(RT_OFFSETOF(DBGCEVTCFG, szCmd[cchCmd + 1]));
4199	if (!pEvtCfg)
4200	return VERR_NO_MEMORY;
4201	}
4202	pEvtCfg->enmState = enmEvtState;
4203	pEvtCfg->cchCmd = cchCmd;
4204	memcpy(pEvtCfg->szCmd, pszCmd, cchCmd + 1);
4205	}
4206	}
4207	/*
4208	* Update existing or enable new. If NULL and not enabled, we can keep it that way.
4209	*/
4210	else if (pEvtCfg \|\| enmEvtState != kDbgcEvtState_Disabled)
4211	{
4212	if (!pEvtCfg)
4213	{
4214	*ppEvtCfg = pEvtCfg = (PDBGCEVTCFG)RTMemAlloc(sizeof(DBGCEVTCFG));
4215	if (!pEvtCfg)
4216	return VERR_NO_MEMORY;
4217	pEvtCfg->cchCmd = 0;
4218	pEvtCfg->szCmd[0] = '\0';
4219	}
4220	pEvtCfg->enmState = enmEvtState;
4221	}
4222
4223	return VINF_SUCCESS;
4224	}
4225
4226
4227	/**
4228	* Record one settings change for a plain event.
4229	*
4230	* @returns The new @a cIntCfgs value.
4231	* @param paEventCfgs The event setttings array. Must have DBGFEVENT_END
4232	* entries.
4233	* @param cEventCfgs The current number of entries in @a paEventCfgs.
4234	* @param enmType The event to change the settings for.
4235	* @param enmEvtState The new event state.
4236	* @param iSxEvt Index into the g_aDbgcSxEvents array.
4237	*
4238	* @remarks We use abUnused[0] for the enmEvtState, while abUnused[1] and
4239	* abUnused[2] are used for iSxEvt.
4240	*/
4241	static uint32_t dbgcEventAddPlainConfig(PDBGFEVENTCONFIG paEventCfgs, uint32_t cEventCfgs, DBGFEVENTTYPE enmType,
4242	DBGCEVTSTATE enmEvtState, uint16_t iSxEvt)
4243	{
4244	uint32_t iCfg;
4245	for (iCfg = 0; iCfg < cEventCfgs; iCfg++)
4246	if (paEventCfgs[iCfg].enmType == enmType)
4247	break;
4248	if (iCfg == cEventCfgs)
4249	{
4250	Assert(cEventCfgs < DBGFEVENT_END);
4251	paEventCfgs[iCfg].enmType = enmType;
4252	cEventCfgs++;
4253	}
4254	paEventCfgs[iCfg].fEnabled = enmEvtState > kDbgcEvtState_Disabled;
4255	paEventCfgs[iCfg].abUnused[0] = enmEvtState;
4256	paEventCfgs[iCfg].abUnused[1] = (uint8_t)iSxEvt;
4257	paEventCfgs[iCfg].abUnused[2] = (uint8_t)(iSxEvt >> 8);
4258	return cEventCfgs;
4259	}
4260
4261
4262	/**
4263	* Record one or more interrupt event config changes.
4264	*
4265	* @returns The new @a cIntCfgs value.
4266	* @param paIntCfgs Interrupt confiruation array. Must have 256 entries.
4267	* @param cIntCfgs The current number of entries in @a paIntCfgs.
4268	* @param iInt The interrupt number to start with.
4269	* @param cInts The number of interrupts to change.
4270	* @param pszName The settings name (hwint/swint).
4271	* @param enmEvtState The new event state.
4272	* @param bIntOp The new DBGF interrupt state.
4273	*/
4274	static uint32_t dbgcEventAddIntConfig(PDBGFINTERRUPTCONFIG paIntCfgs, uint32_t cIntCfgs, uint8_t iInt, uint16_t cInts,
4275	const char *pszName, DBGCEVTSTATE enmEvtState, uint8_t bIntOp)
4276	{
4277	bool const fHwInt = *pszName == 'h';
4278
4279	bIntOp \|= (uint8_t)enmEvtState << 4;
4280	uint8_t const bSoftState = !fHwInt ? bIntOp : DBGFINTERRUPTSTATE_DONT_TOUCH;
4281	uint8_t const bHardState = fHwInt ? bIntOp : DBGFINTERRUPTSTATE_DONT_TOUCH;
4282
4283	while (cInts > 0)
4284	{
4285	uint32_t iCfg;
4286	for (iCfg = 0; iCfg < cIntCfgs; iCfg++)
4287	if (paIntCfgs[iCfg].iInterrupt == iInt)
4288	break;
4289	if (iCfg == cIntCfgs)
4290	break;
4291	if (fHwInt)
4292	paIntCfgs[iCfg].enmHardState = bHardState;
4293	else
4294	paIntCfgs[iCfg].enmSoftState = bSoftState;
4295	iInt++;
4296	cInts--;
4297	}
4298
4299	while (cInts > 0)
4300	{
4301	Assert(cIntCfgs < 256);
4302	paIntCfgs[cIntCfgs].iInterrupt = iInt;
4303	paIntCfgs[cIntCfgs].enmHardState = bHardState;
4304	paIntCfgs[cIntCfgs].enmSoftState = bSoftState;
4305	cIntCfgs++;
4306	iInt++;
4307	cInts--;
4308	}
4309
4310	return cIntCfgs;
4311	}
4312
4313
4314	/**
4315	* Applies event settings changes to DBGC and DBGF.
4316	*
4317	* @returns VBox status code (fully bitched)
4318	* @param pCmdHlp The command helpers.
4319	* @param pUVM The user mode VM handle.
4320	* @param paIntCfgs Interrupt configuration array. We use the upper 4
4321	* bits of the settings for the DBGCEVTSTATE. This
4322	* will be cleared.
4323	* @param cIntCfgs Number of interrupt configuration changes.
4324	* @param paEventCfgs The generic event configuration array. We use the
4325	* abUnused[0] member for the DBGCEVTSTATE, and
4326	* abUnused[2:1] for the g_aDbgcSxEvents index.
4327	* @param cEventCfgs The number of generic event settings changes.
4328	* @param pszCmd The commands to associate with the changed events.
4329	* If this is NULL, don't touch the command.
4330	* @param fChangeCmdOnly Whether to only change the commands (sx-).
4331	*/
4332	static int dbgcEventApplyChanges(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGFINTERRUPTCONFIG paIntCfgs, uint32_t cIntCfgs,
4333	PCDBGFEVENTCONFIG paEventCfgs, uint32_t cEventCfgs, const char *pszCmd, bool fChangeCmdOnly)
4334	{
4335	int rc;
4336
4337	/*
4338	* Apply changes to DBGC. This can only fail with out of memory error.
4339	*/
4340	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4341	if (cIntCfgs)
4342	for (uint32_t iCfg = 0; iCfg < cIntCfgs; iCfg++)
4343	{
4344	DBGCEVTSTATE enmEvtState = (DBGCEVTSTATE)(paIntCfgs[iCfg].enmHardState >> 4);
4345	paIntCfgs[iCfg].enmHardState &= 0xf;
4346	if (paIntCfgs[iCfg].enmHardState != DBGFINTERRUPTSTATE_DONT_TOUCH)
4347	{
4348	rc = dbgcEventUpdate(&pDbgc->apHardInts[paIntCfgs[iCfg].iInterrupt], pszCmd, enmEvtState, fChangeCmdOnly);
4349	if (RT_FAILURE(rc))
4350	return rc;
4351	}
4352
4353	enmEvtState = (DBGCEVTSTATE)(paIntCfgs[iCfg].enmSoftState >> 4);
4354	paIntCfgs[iCfg].enmSoftState &= 0xf;
4355	if (paIntCfgs[iCfg].enmSoftState != DBGFINTERRUPTSTATE_DONT_TOUCH)
4356	{
4357	rc = dbgcEventUpdate(&pDbgc->apSoftInts[paIntCfgs[iCfg].iInterrupt], pszCmd, enmEvtState, fChangeCmdOnly);
4358	if (RT_FAILURE(rc))
4359	return rc;
4360	}
4361	}
4362
4363	if (cEventCfgs)
4364	{
4365	for (uint32_t iCfg = 0; iCfg < cEventCfgs; iCfg++)
4366	{
4367	Assert((unsigned)paEventCfgs[iCfg].enmType < RT_ELEMENTS(pDbgc->apEventCfgs));
4368	uint16_t iSxEvt = RT_MAKE_U16(paEventCfgs[iCfg].abUnused[1], paEventCfgs[iCfg].abUnused[2]);
4369	Assert(iSxEvt < RT_ELEMENTS(g_aDbgcSxEvents));
4370	rc = dbgcEventUpdate(&pDbgc->apEventCfgs[iSxEvt], pszCmd, (DBGCEVTSTATE)paEventCfgs[iCfg].abUnused[0], fChangeCmdOnly);
4371	if (RT_FAILURE(rc))
4372	return rc;
4373	}
4374	}
4375
4376	/*
4377	* Apply changes to DBGF.
4378	*/
4379	if (!fChangeCmdOnly)
4380	{
4381	if (cIntCfgs)
4382	{
4383	rc = DBGFR3InterruptConfigEx(pUVM, paIntCfgs, cIntCfgs);
4384	if (RT_FAILURE(rc))
4385	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3InterruptConfigEx: %Rrc\n", rc);
4386	}
4387	if (cEventCfgs)
4388	{
4389	rc = DBGFR3EventConfigEx(pUVM, paEventCfgs, cEventCfgs);
4390	if (RT_FAILURE(rc))
4391	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3EventConfigEx: %Rrc\n", rc);
4392	}
4393	}
4394
4395	return VINF_SUCCESS;
4396	}
4397
4398
4399	/**
4400	* @callback_method_impl{FNDBGCCMD, The 'sx[eni-]' commands.}
4401	*/
4402	static DECLCALLBACK(int) dbgcCmdEventCtrl(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4403	{
4404	/*
4405	* Figure out which command this is.
4406	*/
4407	uint8_t bIntOp;
4408	DBGCEVTSTATE enmEvtState;
4409	bool fChangeCmdOnly;
4410	switch (pCmd->pszCmd[2])
4411	{
4412	case 'e': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Enabled; fChangeCmdOnly = false; break;
4413	case 'n': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Notify; fChangeCmdOnly = false; break;
4414	case '-': bIntOp = DBGFINTERRUPTSTATE_ENABLED; enmEvtState = kDbgcEvtState_Invalid; fChangeCmdOnly = true; break;
4415	case 'i': bIntOp = DBGFINTERRUPTSTATE_DISABLED; enmEvtState = kDbgcEvtState_Disabled; fChangeCmdOnly = false; break;
4416	default:
4417	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "pszCmd=%s\n", pCmd->pszCmd);
4418	}
4419
4420	/*
4421	* Command option.
4422	*/
4423	unsigned iArg = 0;
4424	const char *pszCmd = NULL;
4425	if ( cArgs >= iArg + 2
4426	&& paArgs[iArg].enmType == DBGCVAR_TYPE_STRING
4427	&& paArgs[iArg + 1].enmType == DBGCVAR_TYPE_STRING
4428	&& strcmp(paArgs[iArg].u.pszString, "-c") == 0)
4429	{
4430	pszCmd = paArgs[iArg + 1].u.pszString;
4431	iArg += 2;
4432	}
4433	if (fChangeCmdOnly && !pszCmd)
4434	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "The 'sx-' requires the '-c cmd' arguments.\n");
4435
4436	/*
4437	* The remaining arguments are event specifiers to which the operation should be applied.
4438	*/
4439	uint32_t cIntCfgs = 0;
4440	DBGFINTERRUPTCONFIG aIntCfgs[256];
4441	uint32_t cEventCfgs = 0;
4442	DBGFEVENTCONFIG aEventCfgs[DBGFEVENT_END];
4443
4444	for (; iArg < cArgs; iArg++)
4445	{
4446	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, iArg, paArgs[iArg].enmType == DBGCVAR_TYPE_STRING
4447	\|\| paArgs[iArg].enmType == DBGCVAR_TYPE_SYMBOL);
4448	uint32_t cHits = 0;
4449	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
4450	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
4451	{
4452	if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
4453	\|\| ( g_aDbgcSxEvents[iEvt].pszAltNm
4454	&& RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
4455	{
4456	cEventCfgs = dbgcEventAddPlainConfig(aEventCfgs, cEventCfgs, g_aDbgcSxEvents[iEvt].enmType,
4457	enmEvtState, iEvt);
4458	cHits++;
4459	}
4460	}
4461	else
4462	{
4463	Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
4464	uint8_t iInt;
4465	uint16_t cInts;
4466	if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
4467	{
4468	cIntCfgs = dbgcEventAddIntConfig(aIntCfgs, cIntCfgs, iInt, cInts, g_aDbgcSxEvents[iEvt].pszName,
4469	enmEvtState, bIntOp);
4470	cHits++;
4471	}
4472	}
4473	if (!cHits)
4474	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
4475	}
4476
4477	/*
4478	* Apply the changes.
4479	*/
4480	return dbgcEventApplyChanges(pCmdHlp, pUVM, aIntCfgs, cIntCfgs, aEventCfgs, cEventCfgs, pszCmd, fChangeCmdOnly);
4481	}
4482
4483
4484	/**
4485	* @callback_method_impl{FNDBGCCMD, The 'sxr' commands.}
4486	*/
4487	static DECLCALLBACK(int) dbgcCmdEventCtrlReset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4488	{
4489	uint32_t cEventCfgs = 0;
4490	DBGFEVENTCONFIG aEventCfgs[DBGFEVENT_END];
4491	uint32_t cIntCfgs = 0;
4492	DBGFINTERRUPTCONFIG aIntCfgs[256];
4493
4494	if (cArgs == 0)
4495	{
4496	/*
4497	* All events.
4498	*/
4499	for (uint32_t iInt = 0; iInt < 256; iInt++)
4500	{
4501	aIntCfgs[iInt].iInterrupt = iInt;
4502	aIntCfgs[iInt].enmHardState = DBGFINTERRUPTSTATE_DONT_TOUCH;
4503	aIntCfgs[iInt].enmSoftState = DBGFINTERRUPTSTATE_DONT_TOUCH;
4504	}
4505	cIntCfgs = 256;
4506
4507	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
4508	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
4509	{
4510	aEventCfgs[cEventCfgs].enmType = g_aDbgcSxEvents[iEvt].enmType;
4511	aEventCfgs[cEventCfgs].fEnabled = g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled;
4512	aEventCfgs[cEventCfgs].abUnused[0] = g_aDbgcSxEvents[iEvt].enmDefault;
4513	aEventCfgs[cEventCfgs].abUnused[1] = (uint8_t)iEvt;
4514	aEventCfgs[cEventCfgs].abUnused[2] = (uint8_t)(iEvt >> 8);
4515	cEventCfgs++;
4516	}
4517	else
4518	{
4519	uint8_t const bState = ( g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled
4520	? DBGFINTERRUPTSTATE_ENABLED : DBGFINTERRUPTSTATE_DISABLED)
4521	\| ((uint8_t)g_aDbgcSxEvents[iEvt].enmDefault << 4);
4522	if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
4523	for (uint32_t iInt = 0; iInt < 256; iInt++)
4524	aIntCfgs[iInt].enmHardState = bState;
4525	else
4526	for (uint32_t iInt = 0; iInt < 256; iInt++)
4527	aIntCfgs[iInt].enmSoftState = bState;
4528	}
4529	}
4530	else
4531	{
4532	/*
4533	* Selected events.
4534	*/
4535	for (uint32_t iArg = 0; iArg < cArgs; iArg++)
4536	{
4537	unsigned cHits = 0;
4538	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
4539	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
4540	{
4541	if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
4542	\|\| ( g_aDbgcSxEvents[iEvt].pszAltNm
4543	&& RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
4544	{
4545	cEventCfgs = dbgcEventAddPlainConfig(aEventCfgs, cEventCfgs, g_aDbgcSxEvents[iEvt].enmType,
4546	g_aDbgcSxEvents[iEvt].enmDefault, iEvt);
4547	cHits++;
4548	}
4549	}
4550	else
4551	{
4552	Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
4553	uint8_t iInt;
4554	uint16_t cInts;
4555	if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
4556	{
4557	cIntCfgs = dbgcEventAddIntConfig(aIntCfgs, cIntCfgs, iInt, cInts, g_aDbgcSxEvents[iEvt].pszName,
4558	g_aDbgcSxEvents[iEvt].enmDefault,
4559	g_aDbgcSxEvents[iEvt].enmDefault > kDbgcEvtState_Disabled
4560	? DBGFINTERRUPTSTATE_ENABLED : DBGFINTERRUPTSTATE_DISABLED);
4561	cHits++;
4562	}
4563	}
4564	if (!cHits)
4565	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
4566	}
4567	}
4568
4569	/*
4570	* Apply the reset changes.
4571	*/
4572	return dbgcEventApplyChanges(pCmdHlp, pUVM, aIntCfgs, cIntCfgs, aEventCfgs, cEventCfgs, "", false);
4573	}
4574
4575
4576	/**
4577	* Used during DBGC initialization to configure events with defaults.
4578	*
4579	* @returns VBox status code.
4580	* @param pDbgc The DBGC instance.
4581	*/
4582	void dbgcEventInit(PDBGC pDbgc)
4583	{
4584	if (pDbgc->pUVM)
4585	dbgcCmdEventCtrlReset(NULL, &pDbgc->CmdHlp, pDbgc->pUVM, NULL, 0);
4586	}
4587
4588
4589	/**
4590	* Used during DBGC termination to disable all events.
4591	*
4592	* @param pDbgc The DBGC instance.
4593	*/
4594	void dbgcEventTerm(PDBGC pDbgc)
4595	{
4596	/** @todo need to do more than just reset later. */
4597	if (pDbgc->pUVM && VMR3GetStateU(pDbgc->pUVM) < VMSTATE_DESTROYING)
4598	dbgcCmdEventCtrlReset(NULL, &pDbgc->CmdHlp, pDbgc->pUVM, NULL, 0);
4599	}
4600
4601
4602	static void dbgcEventDisplay(PDBGCCMDHLP pCmdHlp, const char pszName, DBGCEVTSTATE enmDefault, PDBGCEVTCFG const ppEvtCfg)
4603	{
4604	PDBGCEVTCFG pEvtCfg = *ppEvtCfg;
4605
4606	const char *pszState;
4607	switch (pEvtCfg ? pEvtCfg->enmState : kDbgcEvtState_Disabled)
4608	{
4609	case kDbgcEvtState_Disabled: pszState = "ignore"; break;
4610	case kDbgcEvtState_Enabled: pszState = "enabled"; break;
4611	case kDbgcEvtState_Notify: pszState = "notify"; break;
4612	default:
4613	AssertFailed();
4614	pszState = "invalid";
4615	break;
4616	}
4617
4618	if (pEvtCfg && pEvtCfg->cchCmd > 0)
4619	DBGCCmdHlpPrintf(pCmdHlp, "%-18s %-7s \"%s\"\n", pszName, pszState, pEvtCfg->szCmd);
4620	else
4621	DBGCCmdHlpPrintf(pCmdHlp, "%-18s %s\n", pszName, pszState);
4622	}
4623
4624
4625	static void dbgcEventDisplayRange(PDBGCCMDHLP pCmdHlp, const char *pszBaseNm, DBGCEVTSTATE enmDefault,
4626	PDBGCEVTCFG const *papEvtCfgs, unsigned iCfg, unsigned cCfgs)
4627	{
4628	do
4629	{
4630	PCDBGCEVTCFG pFirstCfg = papEvtCfgs[iCfg];
4631	if (pFirstCfg && pFirstCfg->enmState == kDbgcEvtState_Disabled && pFirstCfg->cchCmd == 0)
4632	pFirstCfg = NULL;
4633
4634	unsigned const iFirstCfg = iCfg;
4635	iCfg++;
4636	while (iCfg < cCfgs)
4637	{
4638	PCDBGCEVTCFG pCurCfg = papEvtCfgs[iCfg];
4639	if (pCurCfg && pCurCfg->enmState == kDbgcEvtState_Disabled && pCurCfg->cchCmd == 0)
4640	pCurCfg = NULL;
4641	if (pCurCfg != pFirstCfg)
4642	{
4643	if (!pCurCfg \|\| !pFirstCfg)
4644	break;
4645	if (pCurCfg->enmState != pFirstCfg->enmState)
4646	break;
4647	if (pCurCfg->cchCmd != pFirstCfg->cchCmd)
4648	break;
4649	if (memcmp(pCurCfg->szCmd, pFirstCfg->szCmd, pFirstCfg->cchCmd) != 0)
4650	break;
4651	}
4652	iCfg++;
4653	}
4654
4655	char szName[16];
4656	unsigned cEntries = iCfg - iFirstCfg;
4657	if (cEntries == 1)
4658	RTStrPrintf(szName, sizeof(szName), "%s%02x", pszBaseNm, iFirstCfg);
4659	else
4660	RTStrPrintf(szName, sizeof(szName), "%s%02x L %#x", pszBaseNm, iFirstCfg, cEntries);
4661	dbgcEventDisplay(pCmdHlp, szName, enmDefault, &papEvtCfgs[iFirstCfg]);
4662
4663	cCfgs -= cEntries;
4664	} while (cCfgs > 0);
4665	}
4666
4667
4668	/**
4669	* @callback_method_impl{FNDBGCCMD, The 'sx' commands.}
4670	*/
4671	static DECLCALLBACK(int) dbgcCmdEventCtrlList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4672	{
4673	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4674
4675	if (cArgs == 0)
4676	{
4677	/*
4678	* All events.
4679	*/
4680	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
4681	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
4682	dbgcEventDisplay(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
4683	&pDbgc->apEventCfgs[iEvt]);
4684	else if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
4685	dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
4686	pDbgc->apHardInts, 0, 256);
4687	else
4688	dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
4689	pDbgc->apSoftInts, 0, 256);
4690	}
4691	else
4692	{
4693	/*
4694	* Selected events.
4695	*/
4696	for (uint32_t iArg = 0; iArg < cArgs; iArg++)
4697	{
4698	unsigned cHits = 0;
4699	for (uint32_t iEvt = 0; iEvt < RT_ELEMENTS(g_aDbgcSxEvents); iEvt++)
4700	if (g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Plain)
4701	{
4702	if ( RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszName)
4703	\|\| ( g_aDbgcSxEvents[iEvt].pszAltNm
4704	&& RTStrSimplePatternMatch(paArgs[iArg].u.pszString, g_aDbgcSxEvents[iEvt].pszAltNm)) )
4705	{
4706	dbgcEventDisplay(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
4707	&pDbgc->apEventCfgs[iEvt]);
4708	cHits++;
4709	}
4710	}
4711	else
4712	{
4713	Assert(g_aDbgcSxEvents[iEvt].enmKind == kDbgcSxEventKind_Interrupt);
4714	uint8_t iInt;
4715	uint16_t cInts;
4716	if (dbgcEventIsMatchingInt(&paArgs[iArg], g_aDbgcSxEvents[iEvt].pszName, pCmdHlp, &iInt, &cInts))
4717	{
4718	if (strcmp(g_aDbgcSxEvents[iEvt].pszName, "hwint") == 0)
4719	dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
4720	pDbgc->apHardInts, iInt, cInts);
4721	else
4722	dbgcEventDisplayRange(pCmdHlp, g_aDbgcSxEvents[iEvt].pszName, g_aDbgcSxEvents[iEvt].enmDefault,
4723	pDbgc->apSoftInts, iInt, cInts);
4724	cHits++;
4725	}
4726	}
4727	if (cHits == 0)
4728	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown event: '%s'\n", paArgs[iArg].u.pszString);
4729	}
4730	}
4731
4732	return VINF_SUCCESS;
4733	}
4734
4735
4736
4737	/**
4738	* List near symbol.
4739	*
4740	* @returns VBox status code.
4741	* @param pCmdHlp Pointer to command helper functions.
4742	* @param pUVM The user mode VM handle.
4743	* @param pArg Pointer to the address or symbol to lookup.
4744	*/
4745	static int dbgcDoListNear(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR pArg)
4746	{
4747	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4748
4749	RTDBGSYMBOL Symbol;
4750	int rc;
4751	if (pArg->enmType == DBGCVAR_TYPE_SYMBOL)
4752	{
4753	/*
4754	* Lookup the symbol address.
4755	*/
4756	rc = DBGFR3AsSymbolByName(pUVM, pDbgc->hDbgAs, pArg->u.pszString, &Symbol, NULL);
4757	if (RT_FAILURE(rc))
4758	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3AsSymbolByName(,,%s,)\n", pArg->u.pszString);
4759
4760	rc = DBGCCmdHlpPrintf(pCmdHlp, "%RTptr %s\n", Symbol.Value, Symbol.szName);
4761	}
4762	else
4763	{
4764	/*
4765	* Convert it to a flat GC address and lookup that address.
4766	*/
4767	DBGCVAR AddrVar;
4768	rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, "%%(%DV)", pArg);
4769	if (RT_FAILURE(rc))
4770	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "%%(%DV)\n", pArg);
4771
4772	RTINTPTR offDisp;
4773	DBGFADDRESS Addr;
4774	rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, AddrVar.u.GCFlat),
4775	RTDBGSYMADDR_FLAGS_LESS_OR_EQUAL, &offDisp, &Symbol, NULL);
4776	if (RT_FAILURE(rc))
4777	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3ASymbolByAddr(,,%RGv,,)\n", AddrVar.u.GCFlat);
4778
4779	if (!offDisp)
4780	rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s", &AddrVar, Symbol.szName);
4781	else if (offDisp > 0)
4782	rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s + %RGv", &AddrVar, Symbol.szName, offDisp);
4783	else
4784	rc = DBGCCmdHlpPrintf(pCmdHlp, "%DV %s - %RGv", &AddrVar, Symbol.szName, -offDisp);
4785	if (Symbol.cb > 0)
4786	rc = DBGCCmdHlpPrintf(pCmdHlp, " (LB %RGv)\n", Symbol.cb);
4787	else
4788	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
4789	}
4790
4791	return rc;
4792	}
4793
4794
4795	/**
4796	* @callback_method_impl{FNDBGCCMD, The 'ln' (listnear) command.}
4797	*/
4798	static DECLCALLBACK(int) dbgcCmdListNear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4799	{
4800	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4801	if (!cArgs)
4802	{
4803	/*
4804	* Current cs:eip symbol.
4805	*/
4806	DBGCVAR AddrVar;
4807	const char *pszFmtExpr = pDbgc->fRegCtxGuest ? "%%(cs:eip)" : "%%(.cs:.eip)";
4808	int rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, pszFmtExpr);
4809	if (RT_FAILURE(rc))
4810	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "%s\n", pszFmtExpr + 1);
4811	return dbgcDoListNear(pCmdHlp, pUVM, &AddrVar);
4812	}
4813
4814	/** @todo Fix the darn parser, it's resolving symbols specified as arguments before we get in here. */
4815	/*
4816	* Iterate arguments.
4817	*/
4818	for (unsigned iArg = 0; iArg < cArgs; iArg++)
4819	{
4820	int rc = dbgcDoListNear(pCmdHlp, pUVM, &paArgs[iArg]);
4821	if (RT_FAILURE(rc))
4822	return rc;
4823	}
4824
4825	NOREF(pCmd);
4826	return VINF_SUCCESS;
4827	}
4828
4829
4830	/**
4831	* Matches the module patters against a module name.
4832	*
4833	* @returns true if matching, otherwise false.
4834	* @param pszName The module name.
4835	* @param paArgs The module pattern argument list.
4836	* @param cArgs Number of arguments.
4837	*/
4838	static bool dbgcCmdListModuleMatch(const char *pszName, PCDBGCVAR paArgs, unsigned cArgs)
4839	{
4840	for (uint32_t i = 0; i < cArgs; i++)
4841	if (RTStrSimplePatternMatch(paArgs[i].u.pszString, pszName))
4842	return true;
4843	return false;
4844	}
4845
4846
4847	/**
4848	* @callback_method_impl{FNDBGCCMD, The 'ln' (list near) command.}
4849	*/
4850	static DECLCALLBACK(int) dbgcCmdListModules(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
4851	{
4852	bool const fMappings = pCmd->pszCmd[2] == 'o';
4853	bool const fVerbose = pCmd->pszCmd[strlen(pCmd->pszCmd) - 1] == 'v';
4854	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
4855
4856	/*
4857	* Iterate the modules in the current address space and print info about
4858	* those matching the input.
4859	*/
4860	RTDBGAS hAs = DBGFR3AsResolveAndRetain(pUVM, pDbgc->hDbgAs);
4861	uint32_t cMods = RTDbgAsModuleCount(hAs);
4862	for (uint32_t iMod = 0; iMod < cMods; iMod++)
4863	{
4864	RTDBGMOD hMod = RTDbgAsModuleByIndex(hAs, iMod);
4865	if (hMod != NIL_RTDBGMOD)
4866	{
4867	bool const fDeferred = RTDbgModIsDeferred(hMod);
4868	bool const fExports = RTDbgModIsExports(hMod);
4869	uint32_t const cSegs = fDeferred ? 1 : RTDbgModSegmentCount(hMod);
4870	const char * const pszName = RTDbgModName(hMod);
4871	const char * const pszImgFile = RTDbgModImageFile(hMod);
4872	const char * const pszImgFileUsed = RTDbgModImageFileUsed(hMod);
4873	const char * const pszDbgFile = RTDbgModDebugFile(hMod);
4874	if ( cArgs == 0
4875	\|\| dbgcCmdListModuleMatch(pszName, paArgs, cArgs))
4876	{
4877	/*
4878	* Find the mapping with the lower address, preferring a full
4879	* image mapping, for the main line.
4880	*/
4881	RTDBGASMAPINFO aMappings[128];
4882	uint32_t cMappings = RT_ELEMENTS(aMappings);
4883	int rc = RTDbgAsModuleQueryMapByIndex(hAs, iMod, &aMappings[0], &cMappings, 0 /fFlags/);
4884	if (RT_SUCCESS(rc))
4885	{
4886	bool fFull = false;
4887	RTUINTPTR uMin = RTUINTPTR_MAX;
4888	for (uint32_t iMap = 0; iMap < cMappings; iMap++)
4889	if ( aMappings[iMap].Address < uMin
4890	&& ( !fFull
4891	\|\| aMappings[iMap].iSeg == NIL_RTDBGSEGIDX))
4892	uMin = aMappings[iMap].Address;
4893	if (!fVerbose \|\| !pszImgFile)
4894	DBGCCmdHlpPrintf(pCmdHlp, "%RGv %04x %s%s\n", (RTGCUINTPTR)uMin, cSegs, pszName,
4895	fExports ? " (exports)" : fDeferred ? " (deferred)" : "");
4896	else
4897	DBGCCmdHlpPrintf(pCmdHlp, "%RGv %04x %-12s %s%s\n", (RTGCUINTPTR)uMin, cSegs, pszName, pszImgFile,
4898	fExports ? " (exports)" : fDeferred ? " (deferred)" : "");
4899	if (fVerbose && pszImgFileUsed)
4900	DBGCCmdHlpPrintf(pCmdHlp, " Local image: %s\n", pszImgFileUsed);
4901	if (fVerbose && pszDbgFile)
4902	DBGCCmdHlpPrintf(pCmdHlp, " Debug file: %s\n", pszDbgFile);
4903
4904	if (fMappings)
4905	{
4906	/* sort by address first - not very efficient. */
4907	for (uint32_t i = 0; i + 1 < cMappings; i++)
4908	for (uint32_t j = i + 1; j < cMappings; j++)
4909	if (aMappings[j].Address < aMappings[i].Address)
4910	{
4911	RTDBGASMAPINFO Tmp = aMappings[j];
4912	aMappings[j] = aMappings[i];
4913	aMappings[i] = Tmp;
4914	}
4915
4916	/* print */
4917	if ( cMappings == 1
4918	&& aMappings[0].iSeg == NIL_RTDBGSEGIDX
4919	&& !fDeferred)
4920	{
4921	for (uint32_t iSeg = 0; iSeg < cSegs; iSeg++)
4922	{
4923	RTDBGSEGMENT SegInfo;
4924	rc = RTDbgModSegmentByIndex(hMod, iSeg, &SegInfo);
4925	if (RT_SUCCESS(rc))
4926	{
4927	if (SegInfo.uRva != RTUINTPTR_MAX)
4928	DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv #%02x %s\n",
4929	(RTGCUINTPTR)(aMappings[0].Address + SegInfo.uRva),
4930	(RTGCUINTPTR)SegInfo.cb, iSeg, SegInfo.szName);
4931	else
4932	DBGCCmdHlpPrintf(pCmdHlp, " %*s %RGv #%02x %s\n",
4933	sizeof(RTGCUINTPTR)*2, "noload",
4934	(RTGCUINTPTR)SegInfo.cb, iSeg, SegInfo.szName);
4935	}
4936	else
4937	DBGCCmdHlpPrintf(pCmdHlp, " Error query segment #%u: %Rrc\n", iSeg, rc);
4938	}
4939	}
4940	else
4941	{
4942	for (uint32_t iMap = 0; iMap < cMappings; iMap++)
4943	if (aMappings[iMap].iSeg == NIL_RTDBGSEGIDX)
4944	DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv <everything>\n",
4945	(RTGCUINTPTR)aMappings[iMap].Address,
4946	(RTGCUINTPTR)RTDbgModImageSize(hMod));
4947	else if (!fDeferred)
4948	{
4949	RTDBGSEGMENT SegInfo;
4950	rc = RTDbgModSegmentByIndex(hMod, aMappings[iMap].iSeg, &SegInfo);
4951	if (RT_FAILURE(rc))
4952	{
4953	RT_ZERO(SegInfo);
4954	strcpy(SegInfo.szName, "error");
4955	}
4956	DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv #%02x %s\n",
4957	(RTGCUINTPTR)aMappings[iMap].Address,
4958	(RTGCUINTPTR)SegInfo.cb,
4959	aMappings[iMap].iSeg, SegInfo.szName);
4960	}
4961	else
4962	DBGCCmdHlpPrintf(pCmdHlp, " %RGv #%02x\n",
4963	(RTGCUINTPTR)aMappings[iMap].Address, aMappings[iMap].iSeg);
4964	}
4965	}
4966	}
4967	else
4968	DBGCCmdHlpPrintf(pCmdHlp, "%.*s %04x %s (rc=%Rrc)\n",
4969	sizeof(RTGCPTR) * 2, "???????????", cSegs, pszName, rc);
4970	/** @todo missing address space API for enumerating the mappings. */
4971	}
4972	RTDbgModRelease(hMod);
4973	}
4974	}
4975	RTDbgAsRelease(hAs);
4976
4977	NOREF(pCmd);
4978	return VINF_SUCCESS;
4979	}
4980
4981
4982
4983	/**
4984	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned 8-bit value.}
4985	*/
4986	static DECLCALLBACK(int) dbgcFuncReadU8(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
4987	PDBGCVAR pResult)
4988	{
4989	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
4990	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
4991	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
4992
4993	uint8_t b;
4994	int rc = DBGCCmdHlpMemRead(pCmdHlp, &b, sizeof(b), &paArgs[0], NULL);
4995	if (RT_FAILURE(rc))
4996	return rc;
4997	DBGCVAR_INIT_NUMBER(pResult, b);
4998
4999	NOREF(pFunc);
5000	return VINF_SUCCESS;
5001	}
5002
5003
5004	/**
5005	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned 16-bit value.}
5006	*/
5007	static DECLCALLBACK(int) dbgcFuncReadU16(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
5008	PDBGCVAR pResult)
5009	{
5010	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
5011	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
5012	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
5013
5014	uint16_t u16;
5015	int rc = DBGCCmdHlpMemRead(pCmdHlp, &u16, sizeof(u16), &paArgs[0], NULL);
5016	if (RT_FAILURE(rc))
5017	return rc;
5018	DBGCVAR_INIT_NUMBER(pResult, u16);
5019
5020	NOREF(pFunc);
5021	return VINF_SUCCESS;
5022	}
5023
5024
5025	/**
5026	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned 32-bit value.}
5027	*/
5028	static DECLCALLBACK(int) dbgcFuncReadU32(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
5029	PDBGCVAR pResult)
5030	{
5031	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
5032	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
5033	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
5034
5035	uint32_t u32;
5036	int rc = DBGCCmdHlpMemRead(pCmdHlp, &u32, sizeof(u32), &paArgs[0], NULL);
5037	if (RT_FAILURE(rc))
5038	return rc;
5039	DBGCVAR_INIT_NUMBER(pResult, u32);
5040
5041	NOREF(pFunc);
5042	return VINF_SUCCESS;
5043	}
5044
5045
5046	/**
5047	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned 64-bit value.}
5048	*/
5049	static DECLCALLBACK(int) dbgcFuncReadU64(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
5050	PDBGCVAR pResult)
5051	{
5052	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
5053	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
5054	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
5055
5056	uint64_t u64;
5057	int rc = DBGCCmdHlpMemRead(pCmdHlp, &u64, sizeof(u64), &paArgs[0], NULL);
5058	if (RT_FAILURE(rc))
5059	return rc;
5060	DBGCVAR_INIT_NUMBER(pResult, u64);
5061
5062	NOREF(pFunc);
5063	return VINF_SUCCESS;
5064	}
5065
5066
5067	/**
5068	* @callback_method_impl{FNDBGCFUNC, Reads a unsigned pointer-sized value.}
5069	*/
5070	static DECLCALLBACK(int) dbgcFuncReadPtr(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
5071	PDBGCVAR pResult)
5072	{
5073	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
5074	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
5075	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
5076
5077	CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp);
5078	if (enmMode == CPUMMODE_LONG)
5079	return dbgcFuncReadU64(pFunc, pCmdHlp, pUVM, paArgs, cArgs, pResult);
5080	return dbgcFuncReadU32(pFunc, pCmdHlp, pUVM, paArgs, cArgs, pResult);
5081	}
5082
5083
5084	/**
5085	* @callback_method_impl{FNDBGCFUNC, The hi(value) function implementation.}
5086	*/
5087	static DECLCALLBACK(int) dbgcFuncHi(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
5088	PDBGCVAR pResult)
5089	{
5090	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
5091
5092	uint16_t uHi;
5093	switch (paArgs[0].enmType)
5094	{
5095	case DBGCVAR_TYPE_GC_FLAT: uHi = (uint16_t)(paArgs[0].u.GCFlat >> 16); break;
5096	case DBGCVAR_TYPE_GC_FAR: uHi = (uint16_t)paArgs[0].u.GCFar.sel; break;
5097	case DBGCVAR_TYPE_GC_PHYS: uHi = (uint16_t)(paArgs[0].u.GCPhys >> 16); break;
5098	case DBGCVAR_TYPE_HC_FLAT: uHi = (uint16_t)((uintptr_t)paArgs[0].u.pvHCFlat >> 16); break;
5099	case DBGCVAR_TYPE_HC_PHYS: uHi = (uint16_t)(paArgs[0].u.HCPhys >> 16); break;
5100	case DBGCVAR_TYPE_NUMBER: uHi = (uint16_t)(paArgs[0].u.u64Number >> 16); break;
5101	default:
5102	AssertFailedReturn(VERR_DBGC_PARSE_BUG);
5103	}
5104	DBGCVAR_INIT_NUMBER(pResult, uHi);
5105	DBGCVAR_SET_RANGE(pResult, paArgs[0].enmRangeType, paArgs[0].u64Range);
5106
5107	NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
5108	return VINF_SUCCESS;
5109	}
5110
5111
5112	/**
5113	* @callback_method_impl{FNDBGCFUNC, The low(value) function implementation.}
5114	*/
5115	static DECLCALLBACK(int) dbgcFuncLow(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
5116	PDBGCVAR pResult)
5117	{
5118	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
5119
5120	uint16_t uLow;
5121	switch (paArgs[0].enmType)
5122	{
5123	case DBGCVAR_TYPE_GC_FLAT: uLow = (uint16_t)paArgs[0].u.GCFlat; break;
5124	case DBGCVAR_TYPE_GC_FAR: uLow = (uint16_t)paArgs[0].u.GCFar.off; break;
5125	case DBGCVAR_TYPE_GC_PHYS: uLow = (uint16_t)paArgs[0].u.GCPhys; break;
5126	case DBGCVAR_TYPE_HC_FLAT: uLow = (uint16_t)(uintptr_t)paArgs[0].u.pvHCFlat; break;
5127	case DBGCVAR_TYPE_HC_PHYS: uLow = (uint16_t)paArgs[0].u.HCPhys; break;
5128	case DBGCVAR_TYPE_NUMBER: uLow = (uint16_t)paArgs[0].u.u64Number; break;
5129	default:
5130	AssertFailedReturn(VERR_DBGC_PARSE_BUG);
5131	}
5132	DBGCVAR_INIT_NUMBER(pResult, uLow);
5133	DBGCVAR_SET_RANGE(pResult, paArgs[0].enmRangeType, paArgs[0].u64Range);
5134
5135	NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
5136	return VINF_SUCCESS;
5137	}
5138
5139
5140	/**
5141	* @callback_method_impl{FNDBGCFUNC,The low(value) function implementation.}
5142	*/
5143	static DECLCALLBACK(int) dbgcFuncNot(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
5144	PDBGCVAR pResult)
5145	{
5146	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
5147	NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
5148	return DBGCCmdHlpEval(pCmdHlp, pResult, "!(%Dv)", &paArgs[0]);
5149	}
5150
5151
5152	/** Generic pointer argument wo/ range. */
5153	static const DBGCVARDESC g_aArgPointerWoRange[] =
5154	{
5155	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
5156	{ 1, 1, DBGCVAR_CAT_POINTER_NO_RANGE, 0, "value", "Address or number." },
5157	};
5158
5159	/** Generic pointer or number argument. */
5160	static const DBGCVARDESC g_aArgPointerNumber[] =
5161	{
5162	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
5163	{ 1, 1, DBGCVAR_CAT_POINTER_NUMBER, 0, "value", "Address or number." },
5164	};
5165
5166
5167
5168	/** Function descriptors for the CodeView / WinDbg emulation.
5169	* The emulation isn't attempting to be identical, only somewhat similar.
5170	*/
5171	const DBGCFUNC g_aFuncsCodeView[] =
5172	{
5173	{ "by", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU8, "address", "Reads a byte at the given address." },
5174	{ "dwo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU32, "address", "Reads a 32-bit value at the given address." },
5175	{ "hi", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncHi, "value", "Returns the high 16-bit bits of a value." },
5176	{ "low", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncLow, "value", "Returns the low 16-bit bits of a value." },
5177	{ "not", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncNot, "address", "Boolean NOT." },
5178	{ "poi", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadPtr, "address", "Reads a pointer sized (CS) value at the given address." },
5179	{ "qwo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU64, "address", "Reads a 32-bit value at the given address." },
5180	{ "wo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU16, "address", "Reads a 16-bit value at the given address." },
5181	};
5182
5183	/** The number of functions in the CodeView/WinDbg emulation. */
5184	const uint32_t g_cFuncsCodeView = RT_ELEMENTS(g_aFuncsCodeView);
5185

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source: vbox/trunk/src/VBox/Debugger/DBGCEmulateCodeView.cpp@ 59208

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