DBGCEmulateCodeView.cpp@ 46114

Last change on this file since 46114 was 46114, checked in by vboxsync, 12 years ago
Prettier 'lmo' output.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 178.4 KB

Line
1	/* $Id: DBGCEmulateCodeView.cpp 46114 2013-05-15 22:56:34Z vboxsync $ */
2	/** @file
3	* DBGC - Debugger Console, CodeView / WinDbg Emulation.
4	*/
5
6	/*
7	* Copyright (C) 2006-2013 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	* Header Files *
20	*******************************************************************************/
21	#define LOG_GROUP LOG_GROUP_DBGC
22	#include <VBox/dbg.h>
23	#include <VBox/vmm/dbgf.h>
24	#include <VBox/vmm/pgm.h>
25	#include <VBox/vmm/cpum.h>
26	#include <VBox/dis.h>
27	#include <VBox/param.h>
28	#include <VBox/err.h>
29	#include <VBox/log.h>
30
31	#include <iprt/asm.h>
32	#include <iprt/mem.h>
33	#include <iprt/string.h>
34	#include <iprt/assert.h>
35	#include <iprt/ctype.h>
36
37	#include <stdlib.h>
38	#include <stdio.h>
39
40	#include "DBGCInternal.h"
41
42
43	/*******************************************************************************
44	* Internal Functions *
45	*******************************************************************************/
46	static FNDBGCCMD dbgcCmdBrkAccess;
47	static FNDBGCCMD dbgcCmdBrkClear;
48	static FNDBGCCMD dbgcCmdBrkDisable;
49	static FNDBGCCMD dbgcCmdBrkEnable;
50	static FNDBGCCMD dbgcCmdBrkList;
51	static FNDBGCCMD dbgcCmdBrkSet;
52	static FNDBGCCMD dbgcCmdBrkREM;
53	static FNDBGCCMD dbgcCmdDumpMem;
54	static FNDBGCCMD dbgcCmdDumpDT;
55	static FNDBGCCMD dbgcCmdDumpIDT;
56	static FNDBGCCMD dbgcCmdDumpPageDir;
57	static FNDBGCCMD dbgcCmdDumpPageDirBoth;
58	static FNDBGCCMD dbgcCmdDumpPageHierarchy;
59	static FNDBGCCMD dbgcCmdDumpPageTable;
60	static FNDBGCCMD dbgcCmdDumpPageTableBoth;
61	static FNDBGCCMD dbgcCmdDumpTSS;
62	static FNDBGCCMD dbgcCmdEditMem;
63	static FNDBGCCMD dbgcCmdGo;
64	static FNDBGCCMD dbgcCmdListModules;
65	static FNDBGCCMD dbgcCmdListNear;
66	static FNDBGCCMD dbgcCmdListSource;
67	static FNDBGCCMD dbgcCmdMemoryInfo;
68	static FNDBGCCMD dbgcCmdReg;
69	static FNDBGCCMD dbgcCmdRegGuest;
70	static FNDBGCCMD dbgcCmdRegHyper;
71	static FNDBGCCMD dbgcCmdRegTerse;
72	static FNDBGCCMD dbgcCmdSearchMem;
73	static FNDBGCCMD dbgcCmdSearchMemType;
74	static FNDBGCCMD dbgcCmdStack;
75	static FNDBGCCMD dbgcCmdTrace;
76	static FNDBGCCMD dbgcCmdUnassemble;
77
78
79	/*******************************************************************************
80	* Global Variables *
81	*******************************************************************************/
82	/** 'ba' arguments. */
83	static const DBGCVARDESC g_aArgBrkAcc[] =
84	{
85	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
86	{ 1, 1, DBGCVAR_CAT_STRING, 0, "access", "The access type: x=execute, rw=read/write (alias r), w=write, i=not implemented." },
87	{ 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." },
88	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
89	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
90	{ 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)" },
91	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
92	};
93
94
95	/** 'bc', 'bd', 'be' arguments. */
96	static const DBGCVARDESC g_aArgBrks[] =
97	{
98	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
99	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "#bp", "Breakpoint number." },
100	{ 0, 1, DBGCVAR_CAT_STRING, 0, "all", "All breakpoints." },
101	};
102
103
104	/** 'bp' arguments. */
105	static const DBGCVARDESC g_aArgBrkSet[] =
106	{
107	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
108	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
109	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
110	{ 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)" },
111	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
112	};
113
114
115	/** 'br' arguments. */
116	static const DBGCVARDESC g_aArgBrkREM[] =
117	{
118	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
119	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "address", "The address." },
120	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "passes", "The number of passes before we trigger the breakpoint. (0 is default)" },
121	{ 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)" },
122	{ 0, 1, DBGCVAR_CAT_STRING, 0, "cmds", "String of commands to be executed when the breakpoint is hit. Quote it!" },
123	};
124
125
126	/** 'd?' arguments. */
127	static const DBGCVARDESC g_aArgDumpMem[] =
128	{
129	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
130	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start dumping memory." },
131	};
132
133
134	/** 'dg', 'dga', 'dl', 'dla' arguments. */
135	static const DBGCVARDESC g_aArgDumpDT[] =
136	{
137	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
138	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "sel", "Selector or selector range." },
139	{ 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Far address which selector should be dumped." },
140	};
141
142
143	/** 'di', 'dia' arguments. */
144	static const DBGCVARDESC g_aArgDumpIDT[] =
145	{
146	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
147	{ 0, ~0U, DBGCVAR_CAT_NUMBER, 0, "int", "The interrupt vector or interrupt vector range." },
148	};
149
150
151	/** 'dpd' arguments. /
152	static const DBGCVARDESC g_aArgDumpPD[] =
153	{
154	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
155	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "index", "Index into the page directory." },
156	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from. Range is applied to the page directory." },
157	};
158
159
160	/** 'dpda' arguments. */
161	static const DBGCVARDESC g_aArgDumpPDAddr[] =
162	{
163	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
164	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page directory entry to start dumping from." },
165	};
166
167
168	/** 'dph' arguments. /
169	static const DBGCVARDESC g_aArgDumpPH[] =
170	{
171	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
172	{ 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." },
173	{ 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." },
174	{ 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." },
175	};
176
177
178	/** 'dpt?' arguments. */
179	static const DBGCVARDESC g_aArgDumpPT[] =
180	{
181	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
182	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address which page directory entry to start dumping from." },
183	};
184
185
186	/** 'dpta' arguments. */
187	static const DBGCVARDESC g_aArgDumpPTAddr[] =
188	{
189	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
190	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address of the page table entry to start dumping from." },
191	};
192
193
194	/** 'dt' arguments. */
195	static const DBGCVARDESC g_aArgDumpTSS[] =
196	{
197	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
198	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "tss", "TSS selector number." },
199	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "tss:ign\|addr", "TSS address. If the selector is a TSS selector, the offset will be ignored." }
200	};
201
202
203	/** 'e?' arguments. */
204	static const DBGCVARDESC g_aArgEditMem[] =
205	{
206	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
207	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to write." },
208	{ 1, ~0U, DBGCVAR_CAT_NUMBER, 0, "value", "Value to write." },
209	};
210
211
212	/** 'lm' arguments. */
213	static const DBGCVARDESC g_aArgListMods[] =
214	{
215	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
216	{ 0, ~0U, DBGCVAR_CAT_STRING, 0, "module", "Module name." },
217	};
218
219
220	/** 'ln' arguments. */
221	static const DBGCVARDESC g_aArgListNear[] =
222	{
223	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
224	{ 0, ~0U, DBGCVAR_CAT_POINTER, 0, "address", "Address of the symbol to look up." },
225	{ 0, ~0U, DBGCVAR_CAT_SYMBOL, 0, "symbol", "Symbol to lookup." },
226	};
227
228
229	/** 'ls' arguments. */
230	static const DBGCVARDESC g_aArgListSource[] =
231	{
232	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
233	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start looking for source lines." },
234	};
235
236
237	/** 'm' argument. */
238	static const DBGCVARDESC g_aArgMemoryInfo[] =
239	{
240	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
241	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "Pointer to obtain info about." },
242	};
243
244
245	/** 'r' arguments. */
246	static const DBGCVARDESC g_aArgReg[] =
247	{
248	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
249	{ 0, 1, DBGCVAR_CAT_SYMBOL, 0, "register", "Register to show or set." },
250	{ 0, 1, DBGCVAR_CAT_NUMBER_NO_RANGE, DBGCVD_FLAGS_DEP_PREV, "value", "New register value." },
251	};
252
253
254	/** 's' arguments. */
255	static const DBGCVARDESC g_aArgSearchMem[] =
256	{
257	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
258	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-b", "Byte string." },
259	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-w", "Word string." },
260	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-d", "DWord string." },
261	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-q", "QWord string." },
262	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-a", "ASCII string." },
263	{ 0, 1, DBGCVAR_CAT_OPTION, 0, "-u", "Unicode string." },
264	{ 0, 1, DBGCVAR_CAT_OPTION_NUMBER, 0, "-n <Hits>", "Maximum number of hits." },
265	{ 0, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
266	{ 0, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
267	};
268
269
270	/** 's?' arguments. */
271	static const DBGCVARDESC g_aArgSearchMemType[] =
272	{
273	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
274	{ 1, 1, DBGCVAR_CAT_GC_POINTER, 0, "range", "Register to show or set." },
275	{ 1, ~0U, DBGCVAR_CAT_ANY, 0, "pattern", "Pattern to search for." },
276	};
277
278
279	/** 'u' arguments. */
280	static const DBGCVARDESC g_aArgUnassemble[] =
281	{
282	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
283	{ 0, 1, DBGCVAR_CAT_POINTER, 0, "address", "Address where to start disassembling." },
284	};
285
286
287	/** Command descriptors for the CodeView / WinDbg emulation.
288	* The emulation isn't attempting to be identical, only somewhat similar.
289	*/
290	const DBGCCMD g_aCmdsCodeView[] =
291	{
292	/* pszCmd, cArgsMin, cArgsMax, paArgDescs, cArgDescs, fFlags, pfnHandler pszSyntax, ....pszDescription */
293	{ "ba", 3, 6, &g_aArgBrkAcc[0], RT_ELEMENTS(g_aArgBrkAcc), 0, dbgcCmdBrkAccess, "<access> <size> <address> [passes [max passes]] [cmds]",
294	"Sets a data access breakpoint." },
295	{ "bc", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkClear, "all \| <bp#> [bp# []]", "Deletes a set of breakpoints." },
296	{ "bd", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkDisable, "all \| <bp#> [bp# []]", "Disables a set of breakpoints." },
297	{ "be", 1, ~0U, &g_aArgBrks[0], RT_ELEMENTS(g_aArgBrks), 0, dbgcCmdBrkEnable, "all \| <bp#> [bp# []]", "Enables a set of breakpoints." },
298	{ "bl", 0, 0, NULL, 0, 0, dbgcCmdBrkList, "", "Lists all the breakpoints." },
299	{ "bp", 1, 4, &g_aArgBrkSet[0], RT_ELEMENTS(g_aArgBrkSet), 0, dbgcCmdBrkSet, "<address> [passes [max passes]] [cmds]",
300	"Sets a breakpoint (int 3)." },
301	{ "br", 1, 4, &g_aArgBrkREM[0], RT_ELEMENTS(g_aArgBrkREM), 0, dbgcCmdBrkREM, "<address> [passes [max passes]] [cmds]",
302	"Sets a recompiler specific breakpoint." },
303	{ "d", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory using last element size." },
304	{ "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
305	{ "db", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in bytes." },
306	{ "dd", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in double words." },
307	{ "da", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory as ascii string." },
308	{ "dg", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT)." },
309	{ "dga", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the global descriptor table (GDT) including not-present entries." },
310	{ "di", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT)." },
311	{ "dia", 0, ~0U, &g_aArgDumpIDT[0], RT_ELEMENTS(g_aArgDumpIDT), 0, dbgcCmdDumpIDT, "[int [..]]", "Dump the interrupt descriptor table (IDT) including not-present entries." },
312	{ "dl", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT)." },
313	{ "dla", 0, ~0U, &g_aArgDumpDT[0], RT_ELEMENTS(g_aArgDumpDT), 0, dbgcCmdDumpDT, "[sel [..]]", "Dump the local descriptor table (LDT) including not-present entries." },
314	{ "dpd", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr\|index]", "Dumps page directory entries of the default context." },
315	{ "dpda", 0, 1, &g_aArgDumpPDAddr[0],RT_ELEMENTS(g_aArgDumpPDAddr), 0, dbgcCmdDumpPageDir, "[addr]", "Dumps memory at given address as a page directory." },
316	{ "dpdb", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDirBoth, "[addr\|index]", "Dumps page directory entries of the guest and the hypervisor. " },
317	{ "dpdg", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr\|index]", "Dumps page directory entries of the guest." },
318	{ "dpdh", 0, 1, &g_aArgDumpPD[0], RT_ELEMENTS(g_aArgDumpPD), 0, dbgcCmdDumpPageDir, "[addr\|index]", "Dumps page directory entries of the hypervisor. " },
319	{ "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." },
320	{ "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." },
321	{ "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." },
322	{ "dpt", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the default context." },
323	{ "dpta", 1, 1, &g_aArgDumpPTAddr[0],RT_ELEMENTS(g_aArgDumpPTAddr), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps memory at given address as a page table." },
324	{ "dptb", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTableBoth,"<addr>", "Dumps page table entries of the guest and the hypervisor." },
325	{ "dptg", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the guest." },
326	{ "dpth", 1, 1, &g_aArgDumpPT[0], RT_ELEMENTS(g_aArgDumpPT), 0, dbgcCmdDumpPageTable,"<addr>", "Dumps page table entries of the hypervisor." },
327	{ "dq", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in quad words." },
328	{ "dt", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the task state segment (TSS)." },
329	{ "dt16", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the 16-bit task state segment (TSS)." },
330	{ "dt32", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the 32-bit task state segment (TSS)." },
331	{ "dt64", 0, 1, &g_aArgDumpTSS[0], RT_ELEMENTS(g_aArgDumpTSS), 0, dbgcCmdDumpTSS, "[tss\|tss:ign\|addr]", "Dump the 64-bit task state segment (TSS)." },
332	{ "dw", 0, 1, &g_aArgDumpMem[0], RT_ELEMENTS(g_aArgDumpMem), 0, dbgcCmdDumpMem, "[addr]", "Dump memory in words." },
333	/** @todo add 'e', 'ea str', 'eza str', 'eu str' and 'ezu str'. See also
334	* dbgcCmdSearchMem and its dbgcVarsToBytes usage. */
335	{ "eb", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 1-byte value to memory." },
336	{ "ew", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 2-byte value to memory." },
337	{ "ed", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 4-byte value to memory." },
338	{ "eq", 2, 2, &g_aArgEditMem[0], RT_ELEMENTS(g_aArgEditMem), 0, dbgcCmdEditMem, "<addr> <value>", "Write a 8-byte value to memory." },
339	{ "g", 0, 0, NULL, 0, 0, dbgcCmdGo, "", "Continue execution." },
340	{ "k", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack." },
341	{ "kg", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - guest." },
342	{ "kh", 0, 0, NULL, 0, 0, dbgcCmdStack, "", "Callstack - hypervisor." },
343	{ "lm", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules." },
344	{ "lmv", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules, verbose." },
345	{ "lmo", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments." },
346	{ "lmov", 0, ~0U, &g_aArgListMods[0], RT_ELEMENTS(g_aArgListMods), 0, dbgcCmdListModules, "[module [..]]", "List modules and their segments, verbose." },
347	{ "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." },
348	{ "ls", 0, 1, &g_aArgListSource[0],RT_ELEMENTS(g_aArgListSource), 0, dbgcCmdListSource, "[addr]", "Source." },
349	{ "m", 1, 1, &g_aArgMemoryInfo[0],RT_ELEMENTS(g_aArgMemoryInfo), 0, dbgcCmdMemoryInfo, "<addr>", "Display information about that piece of memory." },
350	{ "r", 0, 2, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdReg, "[reg [newval]]", "Show or set register(s) - active reg set." },
351	{ "rg", 0, 2, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegGuest, "[reg [newval]]", "Show or set register(s) - guest reg set." },
352	{ "rg32", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 32-bit guest registers." },
353	{ "rg64", 0, 0, NULL, 0, 0, dbgcCmdRegGuest, "", "Show 64-bit guest registers." },
354	{ "rh", 0, 2, &g_aArgReg[0], RT_ELEMENTS(g_aArgReg), 0, dbgcCmdRegHyper, "[reg [newval]]", "Show or set register(s) - hypervisor reg set." },
355	{ "rt", 0, 0, NULL, 0, 0, dbgcCmdRegTerse, "", "Toggles terse / verbose register info." },
356	{ "s", 0, ~0U, &g_aArgSearchMem[0], RT_ELEMENTS(g_aArgSearchMem), 0, dbgcCmdSearchMem, "[options] <range> <pattern>", "Continue last search." },
357	{ "sa", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an ascii string." },
358	{ "sb", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more bytes." },
359	{ "sd", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more double words." },
360	{ "sq", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more quad words." },
361	{ "su", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for an unicode string." },
362	{ "sw", 2, ~0U, &g_aArgSearchMemType[0], RT_ELEMENTS(g_aArgSearchMemType),0, dbgcCmdSearchMemType, "<range> <pattern>", "Search memory for one or more words." },
363	{ "t", 0, 0, NULL, 0, 0, dbgcCmdTrace, "", "Instruction trace (step into)." },
364	{ "u", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble." },
365	{ "u64", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 64-bit code." },
366	{ "u32", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 32-bit code." },
367	{ "u16", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code." },
368	{ "uv86", 0, 1, &g_aArgUnassemble[0],RT_ELEMENTS(g_aArgUnassemble), 0, dbgcCmdUnassemble, "[addr]", "Unassemble 16-bit code with v8086/real mode addressing." },
369	};
370
371	/** The number of commands in the CodeView/WinDbg emulation. */
372	const uint32_t g_cCmdsCodeView = RT_ELEMENTS(g_aCmdsCodeView);
373
374
375
376
377	/**
378	* @interface_method_impl{FNDBCCMD, The 'go' command.}
379	*/
380	static DECLCALLBACK(int) dbgcCmdGo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
381	{
382	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
383
384	/*
385	* Check if the VM is halted or not before trying to resume it.
386	*/
387	if (!DBGFR3IsHalted(pUVM))
388	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The VM is already running");
389
390	int rc = DBGFR3Resume(pUVM);
391	if (RT_FAILURE(rc))
392	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3Resume");
393
394	NOREF(paArgs); NOREF(cArgs);
395	return VINF_SUCCESS;
396	}
397
398
399	/**
400	* @interface_method_impl{FNDBCCMD, The 'ba' command.}
401	*/
402	static DECLCALLBACK(int) dbgcCmdBrkAccess(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
403	{
404	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
405
406	/*
407	* Interpret access type.
408	*/
409	if ( !strchr("xrwi", paArgs[0].u.pszString[0])
410	\|\| paArgs[0].u.pszString[1])
411	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access type '%s' for '%s'. Valid types are 'e', 'r', 'w' and 'i'",
412	paArgs[0].u.pszString, pCmd->pszCmd);
413	uint8_t fType = 0;
414	switch (paArgs[0].u.pszString[0])
415	{
416	case 'x': fType = X86_DR7_RW_EO; break;
417	case 'r': fType = X86_DR7_RW_RW; break;
418	case 'w': fType = X86_DR7_RW_WO; break;
419	case 'i': fType = X86_DR7_RW_IO; break;
420	}
421
422	/*
423	* Validate size.
424	*/
425	if (fType == X86_DR7_RW_EO && paArgs[1].u.u64Number != 1)
426	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 'x' access type requires size 1!",
427	paArgs[1].u.u64Number, pCmd->pszCmd);
428	switch (paArgs[1].u.u64Number)
429	{
430	case 1:
431	case 2:
432	case 4:
433	break;
434	/case 8: - later/
435	default:
436	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid access size %RX64 for '%s'. 1, 2 or 4!",
437	paArgs[1].u.u64Number, pCmd->pszCmd);
438	}
439	uint8_t cb = (uint8_t)paArgs[1].u.u64Number;
440
441	/*
442	* Convert the pointer to a DBGF address.
443	*/
444	DBGFADDRESS Address;
445	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[2], &Address);
446	if (RT_FAILURE(rc))
447	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,%DV,)", &paArgs[2]);
448
449	/*
450	* Pick out the optional arguments.
451	*/
452	uint64_t iHitTrigger = 0;
453	uint64_t iHitDisable = ~0;
454	const char *pszCmds = NULL;
455	unsigned iArg = 3;
456	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
457	{
458	iHitTrigger = paArgs[iArg].u.u64Number;
459	iArg++;
460	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
461	{
462	iHitDisable = paArgs[iArg].u.u64Number;
463	iArg++;
464	}
465	}
466	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
467	{
468	pszCmds = paArgs[iArg].u.pszString;
469	iArg++;
470	}
471
472	/*
473	* Try set the breakpoint.
474	*/
475	uint32_t iBp;
476	rc = DBGFR3BpSetReg(pUVM, &Address, iHitTrigger, iHitDisable, fType, cb, &iBp);
477	if (RT_SUCCESS(rc))
478	{
479	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
480	rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
481	if (RT_SUCCESS(rc))
482	return DBGCCmdHlpPrintf(pCmdHlp, "Set access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
483	if (rc == VERR_DBGC_BP_EXISTS)
484	{
485	rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
486	if (RT_SUCCESS(rc))
487	return DBGCCmdHlpPrintf(pCmdHlp, "Updated access breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
488	}
489	int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
490	AssertRC(rc2);
491	}
492	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set access breakpoint at %RGv", Address.FlatPtr);
493	}
494
495
496	/**
497	* @interface_method_impl{FNDBCCMD, The 'bc' command.}
498	*/
499	static DECLCALLBACK(int) dbgcCmdBrkClear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
500	{
501	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
502
503	/*
504	* Enumerate the arguments.
505	*/
506	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
507	int rc = VINF_SUCCESS;
508	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
509	{
510	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
511	{
512	/* one */
513	uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
514	if (iBp == paArgs[iArg].u.u64Number)
515	{
516	int rc2 = DBGFR3BpClear(pUVM, iBp);
517	if (RT_FAILURE(rc2))
518	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
519	if (RT_SUCCESS(rc2) \|\| rc2 == VERR_DBGF_BP_NOT_FOUND)
520	dbgcBpDelete(pDbgc, iBp);
521	}
522	else
523	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
524	}
525	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
526	{
527	/* all */
528	PDBGCBP pBp = pDbgc->pFirstBp;
529	while (pBp)
530	{
531	uint32_t iBp = pBp->iBp;
532	pBp = pBp->pNext;
533
534	int rc2 = DBGFR3BpClear(pUVM, iBp);
535	if (RT_FAILURE(rc2))
536	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpClear(,%#x)", iBp);
537	if (RT_SUCCESS(rc2) \|\| rc2 == VERR_DBGF_BP_NOT_FOUND)
538	dbgcBpDelete(pDbgc, iBp);
539	}
540	}
541	else
542	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
543	}
544	return rc;
545	}
546
547
548	/**
549	* @interface_method_impl{FNDBCCMD, The 'bd' command.}
550	*/
551	static DECLCALLBACK(int) dbgcCmdBrkDisable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
552	{
553	/*
554	* Enumerate the arguments.
555	*/
556	int rc = VINF_SUCCESS;
557	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
558	{
559	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
560	{
561	/* one */
562	uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
563	if (iBp == paArgs[iArg].u.u64Number)
564	{
565	rc = DBGFR3BpDisable(pUVM, iBp);
566	if (RT_FAILURE(rc))
567	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpDisable failed for breakpoint %#x", iBp);
568	}
569	else
570	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
571	}
572	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
573	{
574	/* all */
575	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
576	for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
577	{
578	int rc2 = DBGFR3BpDisable(pUVM, pBp->iBp);
579	if (RT_FAILURE(rc2))
580	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpDisable failed for breakpoint %#x", pBp->iBp);
581	}
582	}
583	else
584	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
585	}
586	return rc;
587	}
588
589
590	/**
591	* @interface_method_impl{FNDBCCMD, The 'be' command.}
592	*/
593	static DECLCALLBACK(int) dbgcCmdBrkEnable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
594	{
595	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
596
597	/*
598	* Enumerate the arguments.
599	*/
600	int rc = VINF_SUCCESS;
601	for (unsigned iArg = 0; iArg < cArgs && RT_SUCCESS(rc); iArg++)
602	{
603	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
604	{
605	/* one */
606	uint32_t iBp = (uint32_t)paArgs[iArg].u.u64Number;
607	if (iBp == paArgs[iArg].u.u64Number)
608	{
609	rc = DBGFR3BpEnable(pUVM, iBp);
610	if (RT_FAILURE(rc))
611	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnable failed for breakpoint %#x", iBp);
612	}
613	else
614	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Breakpoint id %RX64 is too large", paArgs[iArg].u.u64Number);
615	}
616	else if (!strcmp(paArgs[iArg].u.pszString, "all"))
617	{
618	/* all */
619	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
620	for (PDBGCBP pBp = pDbgc->pFirstBp; pBp; pBp = pBp->pNext)
621	{
622	int rc2 = DBGFR3BpEnable(pUVM, pBp->iBp);
623	if (RT_FAILURE(rc2))
624	rc = DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc2, "DBGFR3BpEnable failed for breakpoint %#x", pBp->iBp);
625	}
626	}
627	else
628	rc = DBGCCmdHlpFail(pCmdHlp, pCmd, "Invalid argument '%s'", paArgs[iArg].u.pszString);
629	}
630	return rc;
631	}
632
633
634	/**
635	* Breakpoint enumeration callback function.
636	*
637	* @returns VBox status code. Any failure will stop the enumeration.
638	* @param pUVM The user mode VM handle.
639	* @param pvUser The user argument.
640	* @param pBp Pointer to the breakpoint information. (readonly)
641	*/
642	static DECLCALLBACK(int) dbgcEnumBreakpointsCallback(PUVM pUVM, void *pvUser, PCDBGFBP pBp)
643	{
644	PDBGC pDbgc = (PDBGC)pvUser;
645	PDBGCBP pDbgcBp = dbgcBpGet(pDbgc, pBp->iBp);
646
647	/*
648	* BP type and size.
649	*/
650	char chType;
651	char cb = 1;
652	switch (pBp->enmType)
653	{
654	case DBGFBPTYPE_INT3:
655	chType = 'p';
656	break;
657	case DBGFBPTYPE_REG:
658	switch (pBp->u.Reg.fType)
659	{
660	case X86_DR7_RW_EO: chType = 'x'; break;
661	case X86_DR7_RW_WO: chType = 'w'; break;
662	case X86_DR7_RW_IO: chType = 'i'; break;
663	case X86_DR7_RW_RW: chType = 'r'; break;
664	default: chType = '?'; break;
665
666	}
667	cb = pBp->u.Reg.cb;
668	break;
669	case DBGFBPTYPE_REM:
670	chType = 'r';
671	break;
672	default:
673	chType = '?';
674	break;
675	}
676
677	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%#4x %c %d %c %RGv %04RX64 (%04RX64 to ",
678	pBp->iBp, pBp->fEnabled ? 'e' : 'd', (int)cb, chType,
679	pBp->GCPtr, pBp->cHits, pBp->iHitTrigger);
680	if (pBp->iHitDisable == ~(uint64_t)0)
681	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "~0) ");
682	else
683	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%04RX64)", pBp->iHitDisable);
684
685	/*
686	* Try resolve the address.
687	*/
688	RTDBGSYMBOL Sym;
689	RTINTPTR off;
690	DBGFADDRESS Addr;
691	int rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, pBp->GCPtr), &off, &Sym, NULL);
692	if (RT_SUCCESS(rc))
693	{
694	if (!off)
695	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s", Sym.szName);
696	else if (off > 0)
697	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s+%RGv", Sym.szName, off);
698	else
699	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "%s+%RGv", Sym.szName, -off);
700	}
701
702	/*
703	* The commands.
704	*/
705	if (pDbgcBp)
706	{
707	if (pDbgcBp->cchCmd)
708	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n cmds: '%s'\n", pDbgcBp->szCmd);
709	else
710	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, "\n");
711	}
712	else
713	DBGCCmdHlpPrintf(&pDbgc->CmdHlp, " [unknown bp]\n");
714
715	return VINF_SUCCESS;
716	}
717
718
719	/**
720	* @interface_method_impl{FNDBCCMD, The 'bl' command.}
721	*/
722	static DECLCALLBACK(int) dbgcCmdBrkList(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
723	{
724	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
725	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs == 0);
726	NOREF(paArgs);
727
728	/*
729	* Enumerate the breakpoints.
730	*/
731	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
732	int rc = DBGFR3BpEnum(pUVM, dbgcEnumBreakpointsCallback, pDbgc);
733	if (RT_FAILURE(rc))
734	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGFR3BpEnum");
735	return rc;
736	}
737
738
739	/**
740	* @interface_method_impl{FNDBCCMD, The 'bp' command.}
741	*/
742	static DECLCALLBACK(int) dbgcCmdBrkSet(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
743	{
744	/*
745	* Convert the pointer to a DBGF address.
746	*/
747	DBGFADDRESS Address;
748	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
749	if (RT_FAILURE(rc))
750	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
751
752	/*
753	* Pick out the optional arguments.
754	*/
755	uint64_t iHitTrigger = 0;
756	uint64_t iHitDisable = ~0;
757	const char *pszCmds = NULL;
758	unsigned iArg = 1;
759	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
760	{
761	iHitTrigger = paArgs[iArg].u.u64Number;
762	iArg++;
763	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
764	{
765	iHitDisable = paArgs[iArg].u.u64Number;
766	iArg++;
767	}
768	}
769	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
770	{
771	pszCmds = paArgs[iArg].u.pszString;
772	iArg++;
773	}
774
775	/*
776	* Try set the breakpoint.
777	*/
778	uint32_t iBp;
779	rc = DBGFR3BpSet(pUVM, &Address, iHitTrigger, iHitDisable, &iBp);
780	if (RT_SUCCESS(rc))
781	{
782	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
783	rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
784	if (RT_SUCCESS(rc))
785	return DBGCCmdHlpPrintf(pCmdHlp, "Set breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
786	if (rc == VERR_DBGC_BP_EXISTS)
787	{
788	rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
789	if (RT_SUCCESS(rc))
790	return DBGCCmdHlpPrintf(pCmdHlp, "Updated breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
791	}
792	int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
793	AssertRC(rc2);
794	}
795	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set breakpoint at %RGv", Address.FlatPtr);
796	}
797
798
799	/**
800	* @interface_method_impl{FNDBCCMD, The 'br' command.}
801	*/
802	static DECLCALLBACK(int) dbgcCmdBrkREM(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
803	{
804	/*
805	* Convert the pointer to a DBGF address.
806	*/
807	DBGFADDRESS Address;
808	int rc = DBGCCmdHlpVarToDbgfAddr(pCmdHlp, &paArgs[0], &Address);
809	if (RT_FAILURE(rc))
810	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpVarToDbgfAddr(,'%DV',)", &paArgs[0]);
811
812	/*
813	* Pick out the optional arguments.
814	*/
815	uint64_t iHitTrigger = 0;
816	uint64_t iHitDisable = ~0;
817	const char *pszCmds = NULL;
818	unsigned iArg = 1;
819	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
820	{
821	iHitTrigger = paArgs[iArg].u.u64Number;
822	iArg++;
823	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
824	{
825	iHitDisable = paArgs[iArg].u.u64Number;
826	iArg++;
827	}
828	}
829	if (iArg < cArgs && paArgs[iArg].enmType == DBGCVAR_TYPE_STRING)
830	{
831	pszCmds = paArgs[iArg].u.pszString;
832	iArg++;
833	}
834
835	/*
836	* Try set the breakpoint.
837	*/
838	uint32_t iBp;
839	rc = DBGFR3BpSetREM(pUVM, &Address, iHitTrigger, iHitDisable, &iBp);
840	if (RT_SUCCESS(rc))
841	{
842	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
843	rc = dbgcBpAdd(pDbgc, iBp, pszCmds);
844	if (RT_SUCCESS(rc))
845	return DBGCCmdHlpPrintf(pCmdHlp, "Set REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
846	if (rc == VERR_DBGC_BP_EXISTS)
847	{
848	rc = dbgcBpUpdate(pDbgc, iBp, pszCmds);
849	if (RT_SUCCESS(rc))
850	return DBGCCmdHlpPrintf(pCmdHlp, "Updated REM breakpoint %u at %RGv\n", iBp, Address.FlatPtr);
851	}
852	int rc2 = DBGFR3BpClear(pDbgc->pUVM, iBp);
853	AssertRC(rc2);
854	}
855	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Failed to set REM breakpoint at %RGv", Address.FlatPtr);
856	}
857
858
859	/**
860	* @interface_method_impl{FNDBCCMD, The 'u' command.}
861	*/
862	static DECLCALLBACK(int) dbgcCmdUnassemble(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
863	{
864	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
865
866	/*
867	* Validate input.
868	*/
869	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
870	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, -1, cArgs <= 1);
871	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 0 \|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
872
873	if (!cArgs && !DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
874	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start disassembling");
875
876	/*
877	* Check the desired mode.
878	*/
879	unsigned fFlags = DBGF_DISAS_FLAGS_NO_ADDRESS;
880	switch (pCmd->pszCmd[1])
881	{
882	default: AssertFailed();
883	case '\0': fFlags \|= DBGF_DISAS_FLAGS_DEFAULT_MODE; break;
884	case '6': fFlags \|= DBGF_DISAS_FLAGS_64BIT_MODE; break;
885	case '3': fFlags \|= DBGF_DISAS_FLAGS_32BIT_MODE; break;
886	case '1': fFlags \|= DBGF_DISAS_FLAGS_16BIT_MODE; break;
887	case 'v': fFlags \|= DBGF_DISAS_FLAGS_16BIT_REAL_MODE; break;
888	}
889
890	/*
891	* Find address.
892	*/
893	if (!cArgs)
894	{
895	if (!DBGCVAR_ISPOINTER(pDbgc->DisasmPos.enmType))
896	{
897	/** @todo Batch query CS, RIP & CPU mode. */
898	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
899	if ( pDbgc->fRegCtxGuest
900	&& CPUMIsGuestIn64BitCode(pVCpu))
901	{
902	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FLAT;
903	pDbgc->SourcePos.u.GCFlat = CPUMGetGuestRIP(pVCpu);
904	}
905	else
906	{
907	pDbgc->DisasmPos.enmType = DBGCVAR_TYPE_GC_FAR;
908	pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
909	pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
910	}
911
912	if (pDbgc->fRegCtxGuest)
913	fFlags \|= DBGF_DISAS_FLAGS_CURRENT_GUEST;
914	else
915	fFlags \|= DBGF_DISAS_FLAGS_CURRENT_HYPER;
916	}
917	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_NONE;
918	}
919	else
920	pDbgc->DisasmPos = paArgs[0];
921	pDbgc->pLastPos = &pDbgc->DisasmPos;
922
923	/*
924	* Range.
925	*/
926	switch (pDbgc->DisasmPos.enmRangeType)
927	{
928	case DBGCVAR_RANGE_NONE:
929	pDbgc->DisasmPos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
930	pDbgc->DisasmPos.u64Range = 10;
931	break;
932
933	case DBGCVAR_RANGE_ELEMENTS:
934	if (pDbgc->DisasmPos.u64Range > 2048)
935	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Too many lines requested. Max is 2048 lines");
936	break;
937
938	case DBGCVAR_RANGE_BYTES:
939	if (pDbgc->DisasmPos.u64Range > 65536)
940	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The requested range is too big. Max is 64KB");
941	break;
942
943	default:
944	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown range type %d", pDbgc->DisasmPos.enmRangeType);
945	}
946
947	/*
948	* Convert physical and host addresses to guest addresses.
949	*/
950	int rc;
951	switch (pDbgc->DisasmPos.enmType)
952	{
953	case DBGCVAR_TYPE_GC_FLAT:
954	case DBGCVAR_TYPE_GC_FAR:
955	break;
956	case DBGCVAR_TYPE_GC_PHYS:
957	case DBGCVAR_TYPE_HC_FLAT:
958	case DBGCVAR_TYPE_HC_PHYS:
959	{
960	DBGCVAR VarTmp;
961	rc = DBGCCmdHlpEval(pCmdHlp, &VarTmp, "%%(%Dv)", &pDbgc->DisasmPos);
962	if (RT_FAILURE(rc))
963	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "failed to evaluate '%%(%Dv)'", &pDbgc->DisasmPos);
964	pDbgc->DisasmPos = VarTmp;
965	break;
966	}
967	default: AssertFailed(); break;
968	}
969
970	/*
971	* Print address.
972	* todo: Change to list near.
973	*/
974	#if 0
975	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%DV:\n", &pDbgc->DisasmPos);
976	if (RT_FAILURE(rc))
977	return rc;
978	#endif
979
980	/*
981	* Do the disassembling.
982	*/
983	unsigned cTries = 32;
984	int iRangeLeft = (int)pDbgc->DisasmPos.u64Range;
985	if (iRangeLeft == 0) /* kludge for 'r'. */
986	iRangeLeft = -1;
987	for (;;)
988	{
989	/*
990	* Disassemble the instruction.
991	*/
992	char szDis[256];
993	uint32_t cbInstr = 1;
994	if (pDbgc->DisasmPos.enmType == DBGCVAR_TYPE_GC_FLAT)
995	rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, DBGF_SEL_FLAT, pDbgc->DisasmPos.u.GCFlat, fFlags,
996	&szDis[0], sizeof(szDis), &cbInstr);
997	else
998	rc = DBGFR3DisasInstrEx(pUVM, pDbgc->idCpu, pDbgc->DisasmPos.u.GCFar.sel, pDbgc->DisasmPos.u.GCFar.off, fFlags,
999	&szDis[0], sizeof(szDis), &cbInstr);
1000	if (RT_SUCCESS(rc))
1001	{
1002	/* print it */
1003	rc = DBGCCmdHlpPrintf(pCmdHlp, "%-16DV %s\n", &pDbgc->DisasmPos, &szDis[0]);
1004	if (RT_FAILURE(rc))
1005	return rc;
1006	}
1007	else
1008	{
1009	/* bitch. */
1010	rc = DBGCCmdHlpPrintf(pCmdHlp, "Failed to disassemble instruction, skipping one byte.\n");
1011	if (RT_FAILURE(rc))
1012	return rc;
1013	if (cTries-- > 0)
1014	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "Too many disassembly failures. Giving up");
1015	cbInstr = 1;
1016	}
1017
1018	/* advance */
1019	if (iRangeLeft < 0) /* 'r' */
1020	break;
1021	if (pDbgc->DisasmPos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
1022	iRangeLeft--;
1023	else
1024	iRangeLeft -= cbInstr;
1025	rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DisasmPos, "(%Dv) + %x", &pDbgc->DisasmPos, cbInstr);
1026	if (RT_FAILURE(rc))
1027	return DBGCCmdHlpFailRc(pCmdHlp, pCmd, rc, "DBGCCmdHlpEval(,,'(%Dv) + %x')", &pDbgc->DisasmPos, cbInstr);
1028	if (iRangeLeft <= 0)
1029	break;
1030	fFlags &= ~(DBGF_DISAS_FLAGS_CURRENT_GUEST \| DBGF_DISAS_FLAGS_CURRENT_HYPER);
1031	}
1032
1033	NOREF(pCmd);
1034	return VINF_SUCCESS;
1035	}
1036
1037
1038	/**
1039	* @interface_method_impl{FNDBCCMD, The 'ls' command.}
1040	*/
1041	static DECLCALLBACK(int) dbgcCmdListSource(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1042	{
1043	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1044
1045	/*
1046	* Validate input.
1047	*/
1048	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
1049	if (cArgs == 1)
1050	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
1051	if (!pUVM && !cArgs && !DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
1052	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Don't know where to start listing...");
1053	if (!pUVM && cArgs && DBGCVAR_ISGCPOINTER(paArgs[0].enmType))
1054	return DBGCCmdHlpFail(pCmdHlp, pCmd, "GC address but no VM");
1055
1056	/*
1057	* Find address.
1058	*/
1059	if (!cArgs)
1060	{
1061	if (!DBGCVAR_ISPOINTER(pDbgc->SourcePos.enmType))
1062	{
1063	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
1064	pDbgc->SourcePos.enmType = DBGCVAR_TYPE_GC_FAR;
1065	pDbgc->SourcePos.u.GCFar.off = pDbgc->fRegCtxGuest ? CPUMGetGuestEIP(pVCpu) : CPUMGetHyperEIP(pVCpu);
1066	pDbgc->SourcePos.u.GCFar.sel = pDbgc->fRegCtxGuest ? CPUMGetGuestCS(pVCpu) : CPUMGetHyperCS(pVCpu);
1067	}
1068	pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_NONE;
1069	}
1070	else
1071	pDbgc->SourcePos = paArgs[0];
1072	pDbgc->pLastPos = &pDbgc->SourcePos;
1073
1074	/*
1075	* Ensure the source address is flat GC.
1076	*/
1077	switch (pDbgc->SourcePos.enmType)
1078	{
1079	case DBGCVAR_TYPE_GC_FLAT:
1080	break;
1081	case DBGCVAR_TYPE_GC_PHYS:
1082	case DBGCVAR_TYPE_GC_FAR:
1083	case DBGCVAR_TYPE_HC_FLAT:
1084	case DBGCVAR_TYPE_HC_PHYS:
1085	{
1086	int rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "%%(%Dv)", &pDbgc->SourcePos);
1087	if (RT_FAILURE(rc))
1088	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: Invalid address or address type. (rc=%d)\n", rc);
1089	break;
1090	}
1091	default: AssertFailed(); break;
1092	}
1093
1094	/*
1095	* Range.
1096	*/
1097	switch (pDbgc->SourcePos.enmRangeType)
1098	{
1099	case DBGCVAR_RANGE_NONE:
1100	pDbgc->SourcePos.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
1101	pDbgc->SourcePos.u64Range = 10;
1102	break;
1103
1104	case DBGCVAR_RANGE_ELEMENTS:
1105	if (pDbgc->SourcePos.u64Range > 2048)
1106	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: Too many lines requested. Max is 2048 lines.\n");
1107	break;
1108
1109	case DBGCVAR_RANGE_BYTES:
1110	if (pDbgc->SourcePos.u64Range > 65536)
1111	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: The requested range is too big. Max is 64KB.\n");
1112	break;
1113
1114	default:
1115	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "internal error: Unknown range type %d.\n", pDbgc->SourcePos.enmRangeType);
1116	}
1117
1118	/*
1119	* Do the disassembling.
1120	*/
1121	bool fFirst = 1;
1122	DBGFLINE LinePrev = { 0, 0, "" };
1123	int iRangeLeft = (int)pDbgc->SourcePos.u64Range;
1124	if (iRangeLeft == 0) /* kludge for 'r'. */
1125	iRangeLeft = -1;
1126	for (;;)
1127	{
1128	/*
1129	* Get line info.
1130	*/
1131	DBGFLINE Line;
1132	RTGCINTPTR off;
1133	int rc = DBGFR3LineByAddr(pUVM, pDbgc->SourcePos.u.GCFlat, &off, &Line);
1134	if (RT_FAILURE(rc))
1135	return VINF_SUCCESS;
1136
1137	unsigned cLines = 0;
1138	if (memcmp(&Line, &LinePrev, sizeof(Line)))
1139	{
1140	/*
1141	* Print filenamename
1142	*/
1143	if (!fFirst && strcmp(Line.szFilename, LinePrev.szFilename))
1144	fFirst = true;
1145	if (fFirst)
1146	{
1147	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "[%s @ %d]\n", Line.szFilename, Line.uLineNo);
1148	if (RT_FAILURE(rc))
1149	return rc;
1150	}
1151
1152	/*
1153	* Try open the file and read the line.
1154	*/
1155	FILE *phFile = fopen(Line.szFilename, "r");
1156	if (phFile)
1157	{
1158	/* Skip ahead to the desired line. */
1159	char szLine[4096];
1160	unsigned cBefore = fFirst ? RT_MIN(2, Line.uLineNo - 1) : Line.uLineNo - LinePrev.uLineNo - 1;
1161	if (cBefore > 7)
1162	cBefore = 0;
1163	unsigned cLeft = Line.uLineNo - cBefore;
1164	while (cLeft > 0)
1165	{
1166	szLine[0] = '\0';
1167	if (!fgets(szLine, sizeof(szLine), phFile))
1168	break;
1169	cLeft--;
1170	}
1171	if (!cLeft)
1172	{
1173	/* print the before lines */
1174	for (;;)
1175	{
1176	size_t cch = strlen(szLine);
1177	while (cch > 0 && (szLine[cch - 1] == '\r' \|\| szLine[cch - 1] == '\n' \|\| RT_C_IS_SPACE(szLine[cch - 1])) )
1178	szLine[--cch] = '\0';
1179	if (cBefore-- <= 0)
1180	break;
1181
1182	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " %4d: %s\n", Line.uLineNo - cBefore - 1, szLine);
1183	szLine[0] = '\0';
1184	fgets(szLine, sizeof(szLine), phFile);
1185	cLines++;
1186	}
1187	/* print the actual line */
1188	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%08llx %4d: %s\n", Line.Address, Line.uLineNo, szLine);
1189	}
1190	fclose(phFile);
1191	if (RT_FAILURE(rc))
1192	return rc;
1193	fFirst = false;
1194	}
1195	else
1196	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Warning: couldn't open source file '%s'\n", Line.szFilename);
1197
1198	LinePrev = Line;
1199	}
1200
1201
1202	/*
1203	* Advance
1204	*/
1205	if (iRangeLeft < 0) /* 'r' */
1206	break;
1207	if (pDbgc->SourcePos.enmRangeType == DBGCVAR_RANGE_ELEMENTS)
1208	iRangeLeft -= cLines;
1209	else
1210	iRangeLeft -= 1;
1211	rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->SourcePos, "(%Dv) + %x", &pDbgc->SourcePos, 1);
1212	if (RT_FAILURE(rc))
1213	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->SourcePos, 1);
1214	if (iRangeLeft <= 0)
1215	break;
1216	}
1217
1218	NOREF(pCmd);
1219	return 0;
1220	}
1221
1222
1223	/**
1224	* @interface_method_impl{FNDBCCMD, The 'r' command.}
1225	*/
1226	static DECLCALLBACK(int) dbgcCmdReg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1227	{
1228	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1229	if (!pDbgc->fRegCtxGuest)
1230	return dbgcCmdRegHyper(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
1231	return dbgcCmdRegGuest(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
1232	}
1233
1234
1235	/**
1236	* @interface_method_impl{FNDBCCMD, Common worker for the dbgcCmdReg*()
1237	* commands.}
1238	*/
1239	static DECLCALLBACK(int) dbgcCmdRegCommon(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs,
1240	const char *pszPrefix)
1241	{
1242	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1243	Assert(cArgs == 1 \|\| cArgs == 2); /* cArgs == 0 is handled by the caller */
1244	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1 \|\| cArgs == 2);
1245	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_STRING
1246	\|\| paArgs[0].enmType == DBGCVAR_TYPE_SYMBOL);
1247
1248	/*
1249	* Parse the register name and kind.
1250	*/
1251	const char *pszReg = paArgs[0].u.pszString;
1252	if (*pszReg == '@')
1253	pszReg++;
1254	VMCPUID idCpu = pDbgc->idCpu;
1255	if (*pszPrefix)
1256	idCpu \|= DBGFREG_HYPER_VMCPUID;
1257	if (*pszReg == '.')
1258	{
1259	pszReg++;
1260	idCpu \|= DBGFREG_HYPER_VMCPUID;
1261	}
1262	const char * const pszActualPrefix = idCpu & DBGFREG_HYPER_VMCPUID ? "." : "";
1263
1264	/*
1265	* Query the register type & value (the setter needs the type).
1266	*/
1267	DBGFREGVALTYPE enmType;
1268	DBGFREGVAL Value;
1269	int rc = DBGFR3RegNmQuery(pUVM, idCpu, pszReg, &Value, &enmType);
1270	if (RT_FAILURE(rc))
1271	{
1272	if (rc == VERR_DBGF_REGISTER_NOT_FOUND)
1273	return DBGCCmdHlpVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "Unknown register: '%s%s'.\n",
1274	pszActualPrefix, pszReg);
1275	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmQuery failed querying '%s%s': %Rrc.\n",
1276	pszActualPrefix, pszReg, rc);
1277	}
1278	if (cArgs == 1)
1279	{
1280	/*
1281	* Show the register.
1282	*/
1283	char szValue[160];
1284	rc = DBGFR3RegFormatValue(szValue, sizeof(szValue), &Value, enmType, true /fSpecial/);
1285	if (RT_SUCCESS(rc))
1286	rc = DBGCCmdHlpPrintf(pCmdHlp, "%s%s=%s\n", pszActualPrefix, pszReg, szValue);
1287	else
1288	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
1289	}
1290	else if (cArgs == 2)
1291	{
1292	/*
1293	* Modify the register.
1294	*/
1295	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 1, paArgs[1].enmType == DBGCVAR_TYPE_STRING
1296	\|\| paArgs[1].enmType == DBGCVAR_TYPE_SYMBOL);
1297	if (enmType != DBGFREGVALTYPE_DTR)
1298	{
1299	enmType = DBGFREGVALTYPE_U64;
1300	rc = DBGCCmdHlpVarToNumber(pCmdHlp, &paArgs[1], &Value.u64);
1301	}
1302	else
1303	{
1304	enmType = DBGFREGVALTYPE_DTR;
1305	rc = DBGCCmdHlpVarToNumber(pCmdHlp, &paArgs[1], &Value.dtr.u64Base);
1306	if (RT_SUCCESS(rc) && paArgs[1].enmRangeType != DBGCVAR_RANGE_NONE)
1307	Value.dtr.u32Limit = (uint32_t)paArgs[1].u64Range;
1308	}
1309	if (RT_SUCCESS(rc))
1310	{
1311	rc = DBGFR3RegNmSet(pUVM, idCpu, pszReg, &Value, enmType);
1312	if (RT_FAILURE(rc))
1313	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegNmSet failed settings '%s%s': %Rrc\n",
1314	pszActualPrefix, pszReg, rc);
1315	}
1316	else
1317	rc = DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegFormatValue failed: %Rrc.\n", rc);
1318	}
1319	else
1320	{
1321	NOREF(pCmd); NOREF(paArgs);
1322	rc = DBGCCmdHlpPrintf(pCmdHlp, "Huh? cArgs=%d Expected 0, 1 or 2!\n", cArgs);
1323	}
1324	return rc;
1325	}
1326
1327
1328	/**
1329	* @interface_method_impl{FNDBCCMD, The 'rg', 'rg64' and 'rg32' commands.}
1330	*/
1331	static DECLCALLBACK(int) dbgcCmdRegGuest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1332	{
1333	/*
1334	* Show all registers our selves.
1335	*/
1336	if (cArgs == 0)
1337	{
1338	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1339	bool const f64BitMode = !strcmp(pCmd->pszCmd, "rg64")
1340	\|\| ( !strcmp(pCmd->pszCmd, "rg32")
1341	&& CPUMIsGuestIn64BitCode(VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu)));
1342	char szDisAndRegs[8192];
1343	int rc;
1344
1345	if (pDbgc->fRegTerse)
1346	{
1347	if (f64BitMode)
1348	rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs),
1349	"u %016VR{rip} L 0\n"
1350	"rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n"
1351	"rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n"
1352	"r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n"
1353	"r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n"
1354	"rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n"
1355	"cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} rflags=%08VR{rflags}\n");
1356	else
1357	rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, szDisAndRegs, sizeof(szDisAndRegs),
1358	"u %04VR{cs}:%08VR{eip} L 0\n"
1359	"eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n"
1360	"eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n"
1361	"cs=%04VR{cs} ds=%04VR{ds} es=%04VR{es} fs=%04VR{fs} gs=%04VR{gs} ss=%04VR{ss} eflags=%08VR{eflags}\n");
1362	}
1363	else
1364	{
1365	if (f64BitMode)
1366	rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, &szDisAndRegs[0], sizeof(szDisAndRegs),
1367	"u %016VR{rip} L 0\n"
1368	"rax=%016VR{rax} rbx=%016VR{rbx} rcx=%016VR{rcx} rdx=%016VR{rdx}\n"
1369	"rsi=%016VR{rsi} rdi=%016VR{rdi} r8 =%016VR{r8} r9 =%016VR{r9}\n"
1370	"r10=%016VR{r10} r11=%016VR{r11} r12=%016VR{r12} r13=%016VR{r13}\n"
1371	"r14=%016VR{r14} r15=%016VR{r15} %VRF{rflags}\n"
1372	"rip=%016VR{rip} rsp=%016VR{rsp} rbp=%016VR{rbp}\n"
1373	"cs={%04VR{cs} base=%016VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} cr0=%016VR{cr0}\n"
1374	"ds={%04VR{ds} base=%016VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} cr2=%016VR{cr2}\n"
1375	"es={%04VR{es} base=%016VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} cr3=%016VR{cr3}\n"
1376	"fs={%04VR{fs} base=%016VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr4=%016VR{cr4}\n"
1377	"gs={%04VR{gs} base=%016VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr8=%016VR{cr8}\n"
1378	"ss={%04VR{ss} base=%016VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n"
1379	"dr0=%016VR{dr0} dr1=%016VR{dr1} dr2=%016VR{dr2} dr3=%016VR{dr3}\n"
1380	"dr6=%016VR{dr6} dr7=%016VR{dr7}\n"
1381	"gdtr=%016VR{gdtr_base}:%04VR{gdtr_lim} idtr=%016VR{idtr_base}:%04VR{idtr_lim} rflags=%08VR{rflags}\n"
1382	"ldtr={%04VR{ldtr} base=%016VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%08VR{ldtr_attr}}\n"
1383	"tr ={%04VR{tr} base=%016VR{tr_base} limit=%08VR{tr_lim} flags=%08VR{tr_attr}}\n"
1384	" sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n"
1385	" efer=%016VR{efer}\n"
1386	" pat=%016VR{pat}\n"
1387	" sf_mask=%016VR{sf_mask}\n"
1388	"krnl_gs_base=%016VR{krnl_gs_base}\n"
1389	" lstar=%016VR{lstar}\n"
1390	" star=%016VR{star} cstar=%016VR{cstar}\n"
1391	"fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n"
1392	);
1393	else
1394	rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu, szDisAndRegs, sizeof(szDisAndRegs),
1395	"u %04VR{cs}:%08VR{eip} L 0\n"
1396	"eax=%08VR{eax} ebx=%08VR{ebx} ecx=%08VR{ecx} edx=%08VR{edx} esi=%08VR{esi} edi=%08VR{edi}\n"
1397	"eip=%08VR{eip} esp=%08VR{esp} ebp=%08VR{ebp} %VRF{eflags}\n"
1398	"cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} dr0=%08VR{dr0} dr1=%08VR{dr1}\n"
1399	"ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} dr2=%08VR{dr2} dr3=%08VR{dr3}\n"
1400	"es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} dr6=%08VR{dr6} dr7=%08VR{dr7}\n"
1401	"fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} cr0=%08VR{cr0} cr2=%08VR{cr2}\n"
1402	"gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}} cr3=%08VR{cr3} cr4=%08VR{cr4}\n"
1403	"ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}} cr8=%08VR{cr8}\n"
1404	"gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} idtr=%08VR{idtr_base}:%04VR{idtr_lim} eflags=%08VR{eflags}\n"
1405	"ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n"
1406	"tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n"
1407	"sysenter={cs=%04VR{sysenter_cs} eip=%08VR{sysenter_eip} esp=%08VR{sysenter_esp}}\n"
1408	"fcw=%04VR{fcw} fsw=%04VR{fsw} ftw=%04VR{ftw} mxcsr=%04VR{mxcsr} mxcsr_mask=%04VR{mxcsr_mask}\n"
1409	);
1410	}
1411	if (RT_FAILURE(rc))
1412	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed");
1413	char *pszRegs = strchr(szDisAndRegs, '\n');
1414	*pszRegs++ = '\0';
1415	rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs);
1416
1417	/*
1418	* Disassemble one instruction at cs:[r\|e]ip.
1419	*/
1420	return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs);
1421	}
1422	return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, "");
1423	}
1424
1425
1426	/**
1427	* @interface_method_impl{FNDBCCMD, The 'rh' command.}
1428	*/
1429	static DECLCALLBACK(int) dbgcCmdRegHyper(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1430	{
1431	/*
1432	* Show all registers our selves.
1433	*/
1434	if (cArgs == 0)
1435	{
1436	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1437	char szDisAndRegs[8192];
1438	int rc;
1439
1440	if (pDbgc->fRegTerse)
1441	rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu \| DBGFREG_HYPER_VMCPUID, szDisAndRegs, sizeof(szDisAndRegs),
1442	"u %VR{cs}:%VR{eip} L 0\n"
1443	".eax=%08VR{eax} .ebx=%08VR{ebx} .ecx=%08VR{ecx} .edx=%08VR{edx} .esi=%08VR{esi} .edi=%08VR{edi}\n"
1444	".eip=%08VR{eip} .esp=%08VR{esp} .ebp=%08VR{ebp} .%VRF{eflags}\n"
1445	".cs=%04VR{cs} .ds=%04VR{ds} .es=%04VR{es} .fs=%04VR{fs} .gs=%04VR{gs} .ss=%04VR{ss} .eflags=%08VR{eflags}\n");
1446	else
1447	rc = DBGFR3RegPrintf(pUVM, pDbgc->idCpu \| DBGFREG_HYPER_VMCPUID, szDisAndRegs, sizeof(szDisAndRegs),
1448	"u %04VR{cs}:%08VR{eip} L 0\n"
1449	".eax=%08VR{eax} .ebx=%08VR{ebx} .ecx=%08VR{ecx} .edx=%08VR{edx} .esi=%08VR{esi} .edi=%08VR{edi}\n"
1450	".eip=%08VR{eip} .esp=%08VR{esp} .ebp=%08VR{ebp} .%VRF{eflags}\n"
1451	".cs={%04VR{cs} base=%08VR{cs_base} limit=%08VR{cs_lim} flags=%04VR{cs_attr}} .dr0=%08VR{dr0} .dr1=%08VR{dr1}\n"
1452	".ds={%04VR{ds} base=%08VR{ds_base} limit=%08VR{ds_lim} flags=%04VR{ds_attr}} .dr2=%08VR{dr2} .dr3=%08VR{dr3}\n"
1453	".es={%04VR{es} base=%08VR{es_base} limit=%08VR{es_lim} flags=%04VR{es_attr}} .dr6=%08VR{dr6} .dr6=%08VR{dr6}\n"
1454	".fs={%04VR{fs} base=%08VR{fs_base} limit=%08VR{fs_lim} flags=%04VR{fs_attr}} .cr3=%016VR{cr3}\n"
1455	".gs={%04VR{gs} base=%08VR{gs_base} limit=%08VR{gs_lim} flags=%04VR{gs_attr}}\n"
1456	".ss={%04VR{ss} base=%08VR{ss_base} limit=%08VR{ss_lim} flags=%04VR{ss_attr}}\n"
1457	".gdtr=%08VR{gdtr_base}:%04VR{gdtr_lim} .idtr=%08VR{idtr_base}:%04VR{idtr_lim} .eflags=%08VR{eflags}\n"
1458	".ldtr={%04VR{ldtr} base=%08VR{ldtr_base} limit=%08VR{ldtr_lim} flags=%04VR{ldtr_attr}}\n"
1459	".tr ={%04VR{tr} base=%08VR{tr_base} limit=%08VR{tr_lim} flags=%04VR{tr_attr}}\n"
1460	);
1461	if (RT_FAILURE(rc))
1462	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGFR3RegPrintf failed");
1463	char *pszRegs = strchr(szDisAndRegs, '\n');
1464	*pszRegs++ = '\0';
1465	rc = DBGCCmdHlpPrintf(pCmdHlp, "%s", pszRegs);
1466
1467	/*
1468	* Disassemble one instruction at cs:[r\|e]ip.
1469	*/
1470	return pCmdHlp->pfnExec(pCmdHlp, "%s", szDisAndRegs);
1471	}
1472	return dbgcCmdRegCommon(pCmd, pCmdHlp, pUVM, paArgs, cArgs, ".");
1473	}
1474
1475
1476	/**
1477	* @interface_method_impl{FNDBCCMD, The 'rt' command.}
1478	*/
1479	static DECLCALLBACK(int) dbgcCmdRegTerse(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1480	{
1481	NOREF(pCmd); NOREF(pUVM); NOREF(paArgs); NOREF(cArgs);
1482
1483	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1484	pDbgc->fRegTerse = !pDbgc->fRegTerse;
1485	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, pDbgc->fRegTerse ? "info: Terse register info.\n" : "info: Verbose register info.\n");
1486	}
1487
1488
1489	/**
1490	* @interface_method_impl{FNDBCCMD, The 't' command.}
1491	*/
1492	static DECLCALLBACK(int) dbgcCmdTrace(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1493	{
1494	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1495
1496	int rc = DBGFR3Step(pUVM, pDbgc->idCpu);
1497	if (RT_SUCCESS(rc))
1498	pDbgc->fReady = false;
1499	else
1500	rc = pDbgc->CmdHlp.pfnVBoxError(&pDbgc->CmdHlp, rc, "When trying to single step VM %p\n", pDbgc->pVM);
1501
1502	NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
1503	return rc;
1504	}
1505
1506
1507	/**
1508	* @interface_method_impl{FNDBCCMD, The 'k', 'kg' and 'kh' commands.}
1509	*/
1510	static DECLCALLBACK(int) dbgcCmdStack(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1511	{
1512	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1513
1514	/*
1515	* Figure which context we're called for and start walking that stack.
1516	*/
1517	int rc;
1518	PCDBGFSTACKFRAME pFirstFrame;
1519	bool const fGuest = pCmd->pszCmd[1] == 'g'
1520	\|\| (!pCmd->pszCmd[1] && pDbgc->fRegCtxGuest);
1521	rc = DBGFR3StackWalkBegin(pUVM, pDbgc->idCpu, fGuest ? DBGFCODETYPE_GUEST : DBGFCODETYPE_HYPER, &pFirstFrame);
1522	if (RT_FAILURE(rc))
1523	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Failed to begin stack walk, rc=%Rrc\n", rc);
1524
1525	/*
1526	* Print header.
1527	* 12345678 12345678 0023:87654321 12345678 87654321 12345678 87654321 symbol
1528	*/
1529	uint32_t fBitFlags = 0;
1530	for (PCDBGFSTACKFRAME pFrame = pFirstFrame;
1531	pFrame;
1532	pFrame = DBGFR3StackWalkNext(pFrame))
1533	{
1534	uint32_t const fCurBitFlags = pFrame->fFlags & (DBGFSTACKFRAME_FLAGS_16BIT \| DBGFSTACKFRAME_FLAGS_32BIT \| DBGFSTACKFRAME_FLAGS_64BIT);
1535	if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_16BIT)
1536	{
1537	if (fCurBitFlags != fBitFlags)
1538	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "SS:BP Ret SS:BP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
1539	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04RX16:%04RX16 %04RX16:%04RX16 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
1540	pFrame->AddrFrame.Sel,
1541	(uint16_t)pFrame->AddrFrame.off,
1542	pFrame->AddrReturnFrame.Sel,
1543	(uint16_t)pFrame->AddrReturnFrame.off,
1544	(uint32_t)pFrame->AddrReturnPC.Sel,
1545	(uint32_t)pFrame->AddrReturnPC.off,
1546	pFrame->Args.au32[0],
1547	pFrame->Args.au32[1],
1548	pFrame->Args.au32[2],
1549	pFrame->Args.au32[3]);
1550	}
1551	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT)
1552	{
1553	if (fCurBitFlags != fBitFlags)
1554	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "EBP Ret EBP Ret CS:EIP Arg0 Arg1 Arg2 Arg3 CS:EIP / Symbol [line]\n");
1555	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%08RX32 %08RX32 %04RX32:%08RX32 %08RX32 %08RX32 %08RX32 %08RX32",
1556	(uint32_t)pFrame->AddrFrame.off,
1557	(uint32_t)pFrame->AddrReturnFrame.off,
1558	(uint32_t)pFrame->AddrReturnPC.Sel,
1559	(uint32_t)pFrame->AddrReturnPC.off,
1560	pFrame->Args.au32[0],
1561	pFrame->Args.au32[1],
1562	pFrame->Args.au32[2],
1563	pFrame->Args.au32[3]);
1564	}
1565	else if (fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT)
1566	{
1567	if (fCurBitFlags != fBitFlags)
1568	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "RBP Ret SS:RBP Ret RIP CS:RIP / Symbol [line]\n");
1569	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%016RX64 %04RX16:%016RX64 %016RX64",
1570	(uint64_t)pFrame->AddrFrame.off,
1571	pFrame->AddrReturnFrame.Sel,
1572	(uint64_t)pFrame->AddrReturnFrame.off,
1573	(uint64_t)pFrame->AddrReturnPC.off);
1574	}
1575	if (RT_FAILURE(rc))
1576	break;
1577	if (!pFrame->pSymPC)
1578	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1579	fCurBitFlags & DBGFSTACKFRAME_FLAGS_64BIT
1580	? " %RTsel:%016RGv"
1581	: fCurBitFlags & DBGFSTACKFRAME_FLAGS_32BIT
1582	? " %RTsel:%08RGv"
1583	: " %RTsel:%04RGv"
1584	, pFrame->AddrPC.Sel, pFrame->AddrPC.off);
1585	else
1586	{
1587	RTGCINTPTR offDisp = pFrame->AddrPC.FlatPtr - pFrame->pSymPC->Value; /** @todo this isn't 100% correct for segmented stuff. */
1588	if (offDisp > 0)
1589	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " %s+%llx", pFrame->pSymPC->szName, (int64_t)offDisp);
1590	else if (offDisp < 0)
1591	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " %s-%llx", pFrame->pSymPC->szName, -(int64_t)offDisp);
1592	else
1593	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " %s", pFrame->pSymPC->szName);
1594	}
1595	if (RT_SUCCESS(rc) && pFrame->pLinePC)
1596	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " [%s @ 0i%d]", pFrame->pLinePC->szFilename, pFrame->pLinePC->uLineNo);
1597	if (RT_SUCCESS(rc))
1598	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "\n");
1599	if (RT_FAILURE(rc))
1600	break;
1601
1602	fBitFlags = fCurBitFlags;
1603	}
1604
1605	DBGFR3StackWalkEnd(pFirstFrame);
1606
1607	NOREF(paArgs); NOREF(cArgs);
1608	return rc;
1609	}
1610
1611
1612	static int dbgcCmdDumpDTWorker64(PDBGCCMDHLP pCmdHlp, PCX86DESC64 pDesc, unsigned iEntry, bool fHyper, bool *pfDblEntry)
1613	{
1614	/* GUEST64 */
1615	int rc;
1616
1617	const char *pszHyper = fHyper ? " HYPER" : "";
1618	const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
1619	if (pDesc->Gen.u1DescType)
1620	{
1621	static const char * const s_apszTypes[] =
1622	{
1623	"DataRO", /* 0 Read-Only */
1624	"DataRO", /* 1 Read-Only - Accessed */
1625	"DataRW", /* 2 Read/Write */
1626	"DataRW", /* 3 Read/Write - Accessed */
1627	"DownRO", /* 4 Expand-down, Read-Only */
1628	"DownRO", /* 5 Expand-down, Read-Only - Accessed */
1629	"DownRW", /* 6 Expand-down, Read/Write */
1630	"DownRW", /* 7 Expand-down, Read/Write - Accessed */
1631	"CodeEO", /* 8 Execute-Only */
1632	"CodeEO", /* 9 Execute-Only - Accessed */
1633	"CodeER", /* A Execute/Readable */
1634	"CodeER", /* B Execute/Readable - Accessed */
1635	"ConfE0", /* C Conforming, Execute-Only */
1636	"ConfE0", /* D Conforming, Execute-Only - Accessed */
1637	"ConfER", /* E Conforming, Execute/Readable */
1638	"ConfER" /* F Conforming, Execute/Readable - Accessed */
1639	};
1640	const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
1641	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
1642	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
1643	uint32_t u32Base = X86DESC_BASE(pDesc);
1644	uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
1645
1646	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
1647	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
1648	pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
1649	pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
1650	}
1651	else
1652	{
1653	static const char * const s_apszTypes[] =
1654	{
1655	"Ill-0 ", /* 0 0000 Reserved (Illegal) */
1656	"Ill-1 ", /* 1 0001 Available 16-bit TSS */
1657	"LDT ", /* 2 0010 LDT */
1658	"Ill-3 ", /* 3 0011 Busy 16-bit TSS */
1659	"Ill-4 ", /* 4 0100 16-bit Call Gate */
1660	"Ill-5 ", /* 5 0101 Task Gate */
1661	"Ill-6 ", /* 6 0110 16-bit Interrupt Gate */
1662	"Ill-7 ", /* 7 0111 16-bit Trap Gate */
1663	"Ill-8 ", /* 8 1000 Reserved (Illegal) */
1664	"Tss64A", /* 9 1001 Available 32-bit TSS */
1665	"Ill-A ", /* A 1010 Reserved (Illegal) */
1666	"Tss64B", /* B 1011 Busy 32-bit TSS */
1667	"Call64", /* C 1100 32-bit Call Gate */
1668	"Ill-D ", /* D 1101 Reserved (Illegal) */
1669	"Int64 ", /* E 1110 32-bit Interrupt Gate */
1670	"Trap64" /* F 1111 32-bit Trap Gate */
1671	};
1672	switch (pDesc->Gen.u4Type)
1673	{
1674	/* raw */
1675	case X86_SEL_TYPE_SYS_UNDEFINED:
1676	case X86_SEL_TYPE_SYS_UNDEFINED2:
1677	case X86_SEL_TYPE_SYS_UNDEFINED4:
1678	case X86_SEL_TYPE_SYS_UNDEFINED3:
1679	case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
1680	case X86_SEL_TYPE_SYS_286_TSS_BUSY:
1681	case X86_SEL_TYPE_SYS_286_CALL_GATE:
1682	case X86_SEL_TYPE_SYS_286_INT_GATE:
1683	case X86_SEL_TYPE_SYS_286_TRAP_GATE:
1684	case X86_SEL_TYPE_SYS_TASK_GATE:
1685	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x %s %.8Rhxs DPL=%d %s%s\n",
1686	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
1687	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
1688	break;
1689
1690	case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
1691	case X86_SEL_TYPE_SYS_386_TSS_BUSY:
1692	case X86_SEL_TYPE_SYS_LDT:
1693	{
1694	const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
1695	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
1696	const char *pszLong = pDesc->Gen.u1Long ? "LONG" : " ";
1697
1698	uint64_t u32Base = X86DESC64_BASE(pDesc);
1699	uint32_t cbLimit = X86DESC_LIMIT_G(pDesc);
1700
1701	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x %s Bas=%016RX64 Lim=%08x DPL=%d %s %s %s %sAVL=%d R=%d%s\n",
1702	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
1703	pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszLong, pszBig,
1704	pDesc->Gen.u1Available, pDesc->Gen.u1Long \| (pDesc->Gen.u1DefBig << 1),
1705	pszHyper);
1706	if (pfDblEntry)
1707	*pfDblEntry = true;
1708	break;
1709	}
1710
1711	case X86_SEL_TYPE_SYS_386_CALL_GATE:
1712	{
1713	unsigned cParams = pDesc->au8[4] & 0x1f;
1714	const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
1715	RTSEL sel = pDesc->au16[1];
1716	uint64_t off = pDesc->au16[0]
1717	\| ((uint64_t)pDesc->au16[3] << 16)
1718	\| ((uint64_t)pDesc->Gen.u32BaseHigh3 << 32);
1719	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x %s Sel:Off=%04x:%016RX64 DPL=%d %s %s=%d%s\n",
1720	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
1721	pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper);
1722	if (pfDblEntry)
1723	*pfDblEntry = true;
1724	break;
1725	}
1726
1727	case X86_SEL_TYPE_SYS_386_INT_GATE:
1728	case X86_SEL_TYPE_SYS_386_TRAP_GATE:
1729	{
1730	RTSEL sel = pDesc->au16[1];
1731	uint64_t off = pDesc->au16[0]
1732	\| ((uint64_t)pDesc->au16[3] << 16)
1733	\| ((uint64_t)pDesc->Gen.u32BaseHigh3 << 32);
1734	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x %s Sel:Off=%04x:%016RX64 DPL=%d %s%s\n",
1735	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
1736	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
1737	if (pfDblEntry)
1738	*pfDblEntry = true;
1739	break;
1740	}
1741
1742	/* impossible, just it's necessary to keep gcc happy. */
1743	default:
1744	return VINF_SUCCESS;
1745	}
1746	}
1747	return VINF_SUCCESS;
1748	}
1749
1750
1751	/**
1752	* Worker function that displays one descriptor entry (GDT, LDT, IDT).
1753	*
1754	* @returns pfnPrintf status code.
1755	* @param pCmdHlp The DBGC command helpers.
1756	* @param pDesc The descriptor to display.
1757	* @param iEntry The descriptor entry number.
1758	* @param fHyper Whether the selector belongs to the hypervisor or not.
1759	*/
1760	static int dbgcCmdDumpDTWorker32(PDBGCCMDHLP pCmdHlp, PCX86DESC pDesc, unsigned iEntry, bool fHyper)
1761	{
1762	int rc;
1763
1764	const char *pszHyper = fHyper ? " HYPER" : "";
1765	const char *pszPresent = pDesc->Gen.u1Present ? "P " : "NP";
1766	if (pDesc->Gen.u1DescType)
1767	{
1768	static const char * const s_apszTypes[] =
1769	{
1770	"DataRO", /* 0 Read-Only */
1771	"DataRO", /* 1 Read-Only - Accessed */
1772	"DataRW", /* 2 Read/Write */
1773	"DataRW", /* 3 Read/Write - Accessed */
1774	"DownRO", /* 4 Expand-down, Read-Only */
1775	"DownRO", /* 5 Expand-down, Read-Only - Accessed */
1776	"DownRW", /* 6 Expand-down, Read/Write */
1777	"DownRW", /* 7 Expand-down, Read/Write - Accessed */
1778	"CodeEO", /* 8 Execute-Only */
1779	"CodeEO", /* 9 Execute-Only - Accessed */
1780	"CodeER", /* A Execute/Readable */
1781	"CodeER", /* B Execute/Readable - Accessed */
1782	"ConfE0", /* C Conforming, Execute-Only */
1783	"ConfE0", /* D Conforming, Execute-Only - Accessed */
1784	"ConfER", /* E Conforming, Execute/Readable */
1785	"ConfER" /* F Conforming, Execute/Readable - Accessed */
1786	};
1787	const char *pszAccessed = pDesc->Gen.u4Type & RT_BIT(0) ? "A " : "NA";
1788	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
1789	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
1790	uint32_t u32Base = pDesc->Gen.u16BaseLow
1791	\| ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
1792	\| ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
1793	uint32_t cbLimit = pDesc->Gen.u16LimitLow \| (pDesc->Gen.u4LimitHigh << 16);
1794	if (pDesc->Gen.u1Granularity)
1795	cbLimit <<= PAGE_SHIFT;
1796
1797	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d L=%d%s\n",
1798	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
1799	pDesc->Gen.u2Dpl, pszPresent, pszAccessed, pszGranularity, pszBig,
1800	pDesc->Gen.u1Available, pDesc->Gen.u1Long, pszHyper);
1801	}
1802	else
1803	{
1804	static const char * const s_apszTypes[] =
1805	{
1806	"Ill-0 ", /* 0 0000 Reserved (Illegal) */
1807	"Tss16A", /* 1 0001 Available 16-bit TSS */
1808	"LDT ", /* 2 0010 LDT */
1809	"Tss16B", /* 3 0011 Busy 16-bit TSS */
1810	"Call16", /* 4 0100 16-bit Call Gate */
1811	"TaskG ", /* 5 0101 Task Gate */
1812	"Int16 ", /* 6 0110 16-bit Interrupt Gate */
1813	"Trap16", /* 7 0111 16-bit Trap Gate */
1814	"Ill-8 ", /* 8 1000 Reserved (Illegal) */
1815	"Tss32A", /* 9 1001 Available 32-bit TSS */
1816	"Ill-A ", /* A 1010 Reserved (Illegal) */
1817	"Tss32B", /* B 1011 Busy 32-bit TSS */
1818	"Call32", /* C 1100 32-bit Call Gate */
1819	"Ill-D ", /* D 1101 Reserved (Illegal) */
1820	"Int32 ", /* E 1110 32-bit Interrupt Gate */
1821	"Trap32" /* F 1111 32-bit Trap Gate */
1822	};
1823	switch (pDesc->Gen.u4Type)
1824	{
1825	/* raw */
1826	case X86_SEL_TYPE_SYS_UNDEFINED:
1827	case X86_SEL_TYPE_SYS_UNDEFINED2:
1828	case X86_SEL_TYPE_SYS_UNDEFINED4:
1829	case X86_SEL_TYPE_SYS_UNDEFINED3:
1830	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x %s %.8Rhxs DPL=%d %s%s\n",
1831	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc,
1832	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
1833	break;
1834
1835	case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
1836	case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
1837	case X86_SEL_TYPE_SYS_286_TSS_BUSY:
1838	case X86_SEL_TYPE_SYS_386_TSS_BUSY:
1839	case X86_SEL_TYPE_SYS_LDT:
1840	{
1841	const char *pszGranularity = pDesc->Gen.u1Granularity ? "G" : " ";
1842	const char *pszBusy = pDesc->Gen.u4Type & RT_BIT(1) ? "B " : "NB";
1843	const char *pszBig = pDesc->Gen.u1DefBig ? "BIG" : " ";
1844	uint32_t u32Base = pDesc->Gen.u16BaseLow
1845	\| ((uint32_t)pDesc->Gen.u8BaseHigh1 << 16)
1846	\| ((uint32_t)pDesc->Gen.u8BaseHigh2 << 24);
1847	uint32_t cbLimit = pDesc->Gen.u16LimitLow \| (pDesc->Gen.u4LimitHigh << 16);
1848	if (pDesc->Gen.u1Granularity)
1849	cbLimit <<= PAGE_SHIFT;
1850
1851	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x %s Bas=%08x Lim=%08x DPL=%d %s %s %s %s AVL=%d R=%d%s\n",
1852	iEntry, s_apszTypes[pDesc->Gen.u4Type], u32Base, cbLimit,
1853	pDesc->Gen.u2Dpl, pszPresent, pszBusy, pszGranularity, pszBig,
1854	pDesc->Gen.u1Available, pDesc->Gen.u1Long \| (pDesc->Gen.u1DefBig << 1),
1855	pszHyper);
1856	break;
1857	}
1858
1859	case X86_SEL_TYPE_SYS_TASK_GATE:
1860	{
1861	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x %s TSS=%04x DPL=%d %s%s\n",
1862	iEntry, s_apszTypes[pDesc->Gen.u4Type], pDesc->au16[1],
1863	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
1864	break;
1865	}
1866
1867	case X86_SEL_TYPE_SYS_286_CALL_GATE:
1868	case X86_SEL_TYPE_SYS_386_CALL_GATE:
1869	{
1870	unsigned cParams = pDesc->au8[4] & 0x1f;
1871	const char *pszCountOf = pDesc->Gen.u4Type & RT_BIT(3) ? "DC" : "WC";
1872	RTSEL sel = pDesc->au16[1];
1873	uint32_t off = pDesc->au16[0] \| ((uint32_t)pDesc->au16[3] << 16);
1874	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x %s Sel:Off=%04x:%08x DPL=%d %s %s=%d%s\n",
1875	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
1876	pDesc->Gen.u2Dpl, pszPresent, pszCountOf, cParams, pszHyper);
1877	break;
1878	}
1879
1880	case X86_SEL_TYPE_SYS_286_INT_GATE:
1881	case X86_SEL_TYPE_SYS_386_INT_GATE:
1882	case X86_SEL_TYPE_SYS_286_TRAP_GATE:
1883	case X86_SEL_TYPE_SYS_386_TRAP_GATE:
1884	{
1885	RTSEL sel = pDesc->au16[1];
1886	uint32_t off = pDesc->au16[0] \| ((uint32_t)pDesc->au16[3] << 16);
1887	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x %s Sel:Off=%04x:%08x DPL=%d %s%s\n",
1888	iEntry, s_apszTypes[pDesc->Gen.u4Type], sel, off,
1889	pDesc->Gen.u2Dpl, pszPresent, pszHyper);
1890	break;
1891	}
1892
1893	/* impossible, just it's necessary to keep gcc happy. */
1894	default:
1895	return VINF_SUCCESS;
1896	}
1897	}
1898	return rc;
1899	}
1900
1901
1902	/**
1903	* @interface_method_impl{FNDBCCMD, The 'dg', 'dga', 'dl' and 'dla' commands.}
1904	*/
1905	static DECLCALLBACK(int) dbgcCmdDumpDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
1906	{
1907	/*
1908	* Validate input.
1909	*/
1910	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
1911
1912	/*
1913	* Get the CPU mode, check which command variation this is
1914	* and fix a default parameter if needed.
1915	*/
1916	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1917	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
1918	CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
1919	bool fGdt = pCmd->pszCmd[1] == 'g';
1920	bool fAll = pCmd->pszCmd[2] == 'a';
1921	RTSEL SelTable = fGdt ? 0 : X86_SEL_LDT;
1922
1923	DBGCVAR Var;
1924	if (!cArgs)
1925	{
1926	cArgs = 1;
1927	paArgs = &Var;
1928	Var.enmType = DBGCVAR_TYPE_NUMBER;
1929	Var.u.u64Number = 0;
1930	Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
1931	Var.u64Range = 1024;
1932	}
1933
1934	/*
1935	* Process the arguments.
1936	*/
1937	for (unsigned i = 0; i < cArgs; i++)
1938	{
1939	/*
1940	* Retrieve the selector value from the argument.
1941	* The parser may confuse pointers and numbers if more than one
1942	* argument is given, that that into account.
1943	*/
1944	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER \|\| DBGCVAR_ISPOINTER(paArgs[i].enmType));
1945	uint64_t u64;
1946	unsigned cSels = 1;
1947	switch (paArgs[i].enmType)
1948	{
1949	case DBGCVAR_TYPE_NUMBER:
1950	u64 = paArgs[i].u.u64Number;
1951	if (paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE)
1952	cSels = RT_MIN(paArgs[i].u64Range, 1024);
1953	break;
1954	case DBGCVAR_TYPE_GC_FAR: u64 = paArgs[i].u.GCFar.sel; break;
1955	case DBGCVAR_TYPE_GC_FLAT: u64 = paArgs[i].u.GCFlat; break;
1956	case DBGCVAR_TYPE_GC_PHYS: u64 = paArgs[i].u.GCPhys; break;
1957	case DBGCVAR_TYPE_HC_FLAT: u64 = (uintptr_t)paArgs[i].u.pvHCFlat; break;
1958	case DBGCVAR_TYPE_HC_PHYS: u64 = paArgs[i].u.HCPhys; break;
1959	default: u64 = _64K; break;
1960	}
1961	if (u64 < _64K)
1962	{
1963	unsigned Sel = (RTSEL)u64;
1964
1965	/*
1966	* Dump the specified range.
1967	*/
1968	bool fSingle = cSels == 1;
1969	while ( cSels-- > 0
1970	&& Sel < _64K)
1971	{
1972	DBGFSELINFO SelInfo;
1973	int rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, Sel \| SelTable, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
1974	if (RT_SUCCESS(rc))
1975	{
1976	if (SelInfo.fFlags & DBGFSELINFO_FLAGS_REAL_MODE)
1977	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x RealM Bas=%04x Lim=%04x\n",
1978	Sel, (unsigned)SelInfo.GCPtrBase, (unsigned)SelInfo.cbLimit);
1979	else if ( fAll
1980	\|\| fSingle
1981	\|\| SelInfo.u.Raw.Gen.u1Present)
1982	{
1983	if (enmMode == CPUMMODE_PROTECTED)
1984	rc = dbgcCmdDumpDTWorker32(pCmdHlp, &SelInfo.u.Raw, Sel, !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER));
1985	else
1986	{
1987	bool fDblSkip = false;
1988	rc = dbgcCmdDumpDTWorker64(pCmdHlp, &SelInfo.u.Raw64, Sel, !!(SelInfo.fFlags & DBGFSELINFO_FLAGS_HYPER), &fDblSkip);
1989	if (fDblSkip)
1990	Sel += 4;
1991	}
1992	}
1993	}
1994	else
1995	{
1996	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x %Rrc\n", Sel, rc);
1997	if (!fAll)
1998	return rc;
1999	}
2000	if (RT_FAILURE(rc))
2001	return rc;
2002
2003	/* next */
2004	Sel += 8;
2005	}
2006	}
2007	else
2008	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: %llx is out of bounds\n", u64);
2009	}
2010
2011	return VINF_SUCCESS;
2012	}
2013
2014
2015	/**
2016	* @interface_method_impl{FNDBCCMD, The 'di' and 'dia' commands.}
2017	*/
2018	static DECLCALLBACK(int) dbgcCmdDumpIDT(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2019	{
2020	/*
2021	* Validate input.
2022	*/
2023	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2024
2025	/*
2026	* Establish some stuff like the current IDTR and CPU mode,
2027	* and fix a default parameter.
2028	*/
2029	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2030	PVMCPU pVCpu = VMMR3GetCpuByIdU(pUVM, pDbgc->idCpu);
2031	uint16_t cbLimit;
2032	RTGCUINTPTR GCPtrBase = CPUMGetGuestIDTR(pVCpu, &cbLimit);
2033	CPUMMODE enmMode = CPUMGetGuestMode(pVCpu);
2034	unsigned cbEntry;
2035	switch (enmMode)
2036	{
2037	case CPUMMODE_REAL: cbEntry = sizeof(RTFAR16); break;
2038	case CPUMMODE_PROTECTED: cbEntry = sizeof(X86DESC); break;
2039	case CPUMMODE_LONG: cbEntry = sizeof(X86DESC64); break;
2040	default:
2041	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: Invalid CPU mode %d.\n", enmMode);
2042	}
2043
2044	bool fAll = pCmd->pszCmd[2] == 'a';
2045	DBGCVAR Var;
2046	if (!cArgs)
2047	{
2048	cArgs = 1;
2049	paArgs = &Var;
2050	Var.enmType = DBGCVAR_TYPE_NUMBER;
2051	Var.u.u64Number = 0;
2052	Var.enmRangeType = DBGCVAR_RANGE_ELEMENTS;
2053	Var.u64Range = 256;
2054	}
2055
2056	/*
2057	* Process the arguments.
2058	*/
2059	for (unsigned i = 0; i < cArgs; i++)
2060	{
2061	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, i, paArgs[i].enmType == DBGCVAR_TYPE_NUMBER);
2062	if (paArgs[i].u.u64Number < 256)
2063	{
2064	RTGCUINTPTR iInt = (RTGCUINTPTR)paArgs[i].u.u64Number;
2065	unsigned cInts = paArgs[i].enmRangeType != DBGCVAR_RANGE_NONE
2066	? paArgs[i].u64Range
2067	: 1;
2068	bool fSingle = cInts == 1;
2069	while ( cInts-- > 0
2070	&& iInt < 256)
2071	{
2072	/*
2073	* Try read it.
2074	*/
2075	union
2076	{
2077	RTFAR16 Real;
2078	X86DESC Prot;
2079	X86DESC64 Long;
2080	} u;
2081	if (iInt * cbEntry + (cbEntry - 1) > cbLimit)
2082	{
2083	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x not within the IDT\n", (unsigned)iInt);
2084	if (!fAll && !fSingle)
2085	return VINF_SUCCESS;
2086	}
2087	DBGCVAR AddrVar;
2088	AddrVar.enmType = DBGCVAR_TYPE_GC_FLAT;
2089	AddrVar.u.GCFlat = GCPtrBase + iInt * cbEntry;
2090	AddrVar.enmRangeType = DBGCVAR_RANGE_NONE;
2091	int rc = pCmdHlp->pfnMemRead(pCmdHlp, &u, cbEntry, &AddrVar, NULL);
2092	if (RT_FAILURE(rc))
2093	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading IDT entry %#04x.\n", (unsigned)iInt);
2094
2095	/*
2096	* Display it.
2097	*/
2098	switch (enmMode)
2099	{
2100	case CPUMMODE_REAL:
2101	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%04x %RTfp16\n", (unsigned)iInt, u.Real);
2102	/** @todo resolve 16:16 IDTE to a symbol */
2103	break;
2104	case CPUMMODE_PROTECTED:
2105	if (fAll \|\| fSingle \|\| u.Prot.Gen.u1Present)
2106	rc = dbgcCmdDumpDTWorker32(pCmdHlp, &u.Prot, iInt, false);
2107	break;
2108	case CPUMMODE_LONG:
2109	if (fAll \|\| fSingle \|\| u.Long.Gen.u1Present)
2110	rc = dbgcCmdDumpDTWorker64(pCmdHlp, &u.Long, iInt, false, NULL);
2111	break;
2112	default: break; /* to shut up gcc */
2113	}
2114	if (RT_FAILURE(rc))
2115	return rc;
2116
2117	/* next */
2118	iInt++;
2119	}
2120	}
2121	else
2122	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: %llx is out of bounds (max 256)\n", paArgs[i].u.u64Number);
2123	}
2124
2125	return VINF_SUCCESS;
2126	}
2127
2128
2129	/**
2130	* @interface_method_impl{FNDBCCMD, The 'da', 'dq', 'dd', 'dw' and 'db'
2131	* commands.}
2132	*/
2133	static DECLCALLBACK(int) dbgcCmdDumpMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2134	{
2135	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2136
2137	/*
2138	* Validate input.
2139	*/
2140	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
2141	if (cArgs == 1)
2142	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
2143	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2144
2145	/*
2146	* Figure out the element size.
2147	*/
2148	unsigned cbElement;
2149	bool fAscii = false;
2150	switch (pCmd->pszCmd[1])
2151	{
2152	default:
2153	case 'b': cbElement = 1; break;
2154	case 'w': cbElement = 2; break;
2155	case 'd': cbElement = 4; break;
2156	case 'q': cbElement = 8; break;
2157	case 'a':
2158	cbElement = 1;
2159	fAscii = true;
2160	break;
2161	case '\0':
2162	fAscii = !!(pDbgc->cbDumpElement & 0x80000000);
2163	cbElement = pDbgc->cbDumpElement & 0x7fffffff;
2164	if (!cbElement)
2165	cbElement = 1;
2166	break;
2167	}
2168
2169	/*
2170	* Find address.
2171	*/
2172	if (!cArgs)
2173	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_NONE;
2174	else
2175	pDbgc->DumpPos = paArgs[0];
2176
2177	/*
2178	* Range.
2179	*/
2180	switch (pDbgc->DumpPos.enmRangeType)
2181	{
2182	case DBGCVAR_RANGE_NONE:
2183	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
2184	pDbgc->DumpPos.u64Range = 0x60;
2185	break;
2186
2187	case DBGCVAR_RANGE_ELEMENTS:
2188	if (pDbgc->DumpPos.u64Range > 2048)
2189	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: Too many elements requested. Max is 2048 elements.\n");
2190	pDbgc->DumpPos.enmRangeType = DBGCVAR_RANGE_BYTES;
2191	pDbgc->DumpPos.u64Range = (cbElement ? cbElement : 1) * pDbgc->DumpPos.u64Range;
2192	break;
2193
2194	case DBGCVAR_RANGE_BYTES:
2195	if (pDbgc->DumpPos.u64Range > 65536)
2196	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: The requested range is too big. Max is 64KB.\n");
2197	break;
2198
2199	default:
2200	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "internal error: Unknown range type %d.\n", pDbgc->DumpPos.enmRangeType);
2201	}
2202
2203	pDbgc->pLastPos = &pDbgc->DumpPos;
2204
2205	/*
2206	* Do the dumping.
2207	*/
2208	pDbgc->cbDumpElement = cbElement \| (fAscii << 31);
2209	int cbLeft = (int)pDbgc->DumpPos.u64Range;
2210	uint8_t u8Prev = '\0';
2211	for (;;)
2212	{
2213	/*
2214	* Read memory.
2215	*/
2216	char achBuffer[16];
2217	size_t cbReq = RT_MIN((int)sizeof(achBuffer), cbLeft);
2218	size_t cb = RT_MIN((int)sizeof(achBuffer), cbLeft);
2219	int rc = pCmdHlp->pfnMemRead(pCmdHlp, &achBuffer, cbReq, &pDbgc->DumpPos, &cb);
2220	if (RT_FAILURE(rc))
2221	{
2222	if (u8Prev && u8Prev != '\n')
2223	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "\n");
2224	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading memory at %DV.\n", &pDbgc->DumpPos);
2225	}
2226
2227	/*
2228	* Display it.
2229	*/
2230	memset(&achBuffer[cb], 0, sizeof(achBuffer) - cb);
2231	if (!fAscii)
2232	{
2233	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%DV:", &pDbgc->DumpPos);
2234	unsigned i;
2235	for (i = 0; i < cb; i += cbElement)
2236	{
2237	const char *pszSpace = " ";
2238	if (cbElement <= 2 && i == 8 && !fAscii)
2239	pszSpace = "-";
2240	switch (cbElement)
2241	{
2242	case 1: pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%s%02x", pszSpace, (uint8_t )&achBuffer[i]); break;
2243	case 2: pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%s%04x", pszSpace, (uint16_t )&achBuffer[i]); break;
2244	case 4: pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%s%08x", pszSpace, (uint32_t )&achBuffer[i]); break;
2245	case 8: pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%s%016llx", pszSpace, (uint64_t )&achBuffer[i]); break;
2246	}
2247	}
2248
2249	/* chars column */
2250	if (pDbgc->cbDumpElement == 1)
2251	{
2252	while (i++ < sizeof(achBuffer))
2253	pCmdHlp->pfnPrintf(pCmdHlp, NULL, " ");
2254	pCmdHlp->pfnPrintf(pCmdHlp, NULL, " ");
2255	for (i = 0; i < cb; i += cbElement)
2256	{
2257	uint8_t u8 = (uint8_t )&achBuffer[i];
2258	if (RT_C_IS_PRINT(u8) && u8 < 127 && u8 >= 32)
2259	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%c", u8);
2260	else
2261	pCmdHlp->pfnPrintf(pCmdHlp, NULL, ".");
2262	}
2263	}
2264	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "\n");
2265	}
2266	else
2267	{
2268	/*
2269	* We print up to the first zero and stop there.
2270	* Only printables + '\t' and '\n' are printed.
2271	*/
2272	if (!u8Prev)
2273	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%DV:\n", &pDbgc->DumpPos);
2274	uint8_t u8 = '\0';
2275	unsigned i;
2276	for (i = 0; i < cb; i++)
2277	{
2278	u8Prev = u8;
2279	u8 = (uint8_t )&achBuffer[i];
2280	if ( u8 < 127
2281	&& ( (RT_C_IS_PRINT(u8) && u8 >= 32)
2282	\|\| u8 == '\t'
2283	\|\| u8 == '\n'))
2284	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%c", u8);
2285	else if (!u8)
2286	break;
2287	else
2288	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "\\x%x", u8);
2289	}
2290	if (u8 == '\0')
2291	cb = cbLeft = i + 1;
2292	if (cbLeft - cb <= 0 && u8Prev != '\n')
2293	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "\n");
2294	}
2295
2296	/*
2297	* Advance
2298	*/
2299	cbLeft -= (int)cb;
2300	rc = DBGCCmdHlpEval(pCmdHlp, &pDbgc->DumpPos, "(%Dv) + %x", &pDbgc->DumpPos, cb);
2301	if (RT_FAILURE(rc))
2302	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Expression: (%Dv) + %x\n", &pDbgc->DumpPos, cb);
2303	if (cbLeft <= 0)
2304	break;
2305	}
2306
2307	NOREF(pCmd);
2308	return VINF_SUCCESS;
2309	}
2310
2311
2312	/**
2313	* Best guess at which paging mode currently applies to the guest
2314	* paging structures.
2315	*
2316	* This have to come up with a decent answer even when the guest
2317	* is in non-paged protected mode or real mode.
2318	*
2319	* @returns cr3.
2320	* @param pDbgc The DBGC instance.
2321	* @param pfPAE Where to store the page address extension indicator.
2322	* @param pfLME Where to store the long mode enabled indicator.
2323	* @param pfPSE Where to store the page size extension indicator.
2324	* @param pfPGE Where to store the page global enabled indicator.
2325	* @param pfNXE Where to store the no-execution enabled indicator.
2326	*/
2327	static RTGCPHYS dbgcGetGuestPageMode(PDBGC pDbgc, bool pfPAE, bool pfLME, bool pfPSE, bool pfPGE, bool *pfNXE)
2328	{
2329	PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
2330	RTGCUINTREG cr4 = CPUMGetGuestCR4(pVCpu);
2331	*pfPSE = !!(cr4 & X86_CR4_PSE);
2332	*pfPGE = !!(cr4 & X86_CR4_PGE);
2333	if (cr4 & X86_CR4_PAE)
2334	{
2335	*pfPSE = true;
2336	*pfPAE = true;
2337	}
2338	else
2339	*pfPAE = false;
2340
2341	*pfLME = CPUMGetGuestMode(pVCpu) == CPUMMODE_LONG;
2342	pfNXE = false; / GUEST64 GUESTNX */
2343	return CPUMGetGuestCR3(pVCpu);
2344	}
2345
2346
2347	/**
2348	* Determine the shadow paging mode.
2349	*
2350	* @returns cr3.
2351	* @param pDbgc The DBGC instance.
2352	* @param pfPAE Where to store the page address extension indicator.
2353	* @param pfLME Where to store the long mode enabled indicator.
2354	* @param pfPSE Where to store the page size extension indicator.
2355	* @param pfPGE Where to store the page global enabled indicator.
2356	* @param pfNXE Where to store the no-execution enabled indicator.
2357	*/
2358	static RTHCPHYS dbgcGetShadowPageMode(PDBGC pDbgc, bool pfPAE, bool pfLME, bool pfPSE, bool pfPGE, bool *pfNXE)
2359	{
2360	PVMCPU pVCpu = VMMR3GetCpuByIdU(pDbgc->pUVM, pDbgc->idCpu);
2361
2362	*pfPSE = true;
2363	*pfPGE = false;
2364	switch (PGMGetShadowMode(pVCpu))
2365	{
2366	default:
2367	case PGMMODE_32_BIT:
2368	pfPAE = pfLME = *pfNXE = false;
2369	break;
2370	case PGMMODE_PAE:
2371	pfLME = pfNXE = false;
2372	*pfPAE = true;
2373	break;
2374	case PGMMODE_PAE_NX:
2375	*pfLME = false;
2376	pfPAE = pfNXE = true;
2377	break;
2378	case PGMMODE_AMD64:
2379	*pfNXE = false;
2380	pfPAE = pfLME = true;
2381	break;
2382	case PGMMODE_AMD64_NX:
2383	pfPAE = pfLME = *pfNXE = true;
2384	break;
2385	}
2386	return PGMGetHyperCR3(pVCpu);
2387	}
2388
2389
2390	/**
2391	* @interface_method_impl{FNDBCCMD, The 'dpd', 'dpda', 'dpdb', 'dpdg' and 'dpdh'
2392	* commands.}
2393	*/
2394	static DECLCALLBACK(int) dbgcCmdDumpPageDir(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2395	{
2396	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2397
2398	/*
2399	* Validate input.
2400	*/
2401	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
2402	if (cArgs == 1 && pCmd->pszCmd[3] == 'a')
2403	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
2404	if (cArgs == 1 && pCmd->pszCmd[3] != 'a')
2405	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
2406	\|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
2407	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2408
2409	/*
2410	* Guest or shadow page directories? Get the paging parameters.
2411	*/
2412	bool fGuest = pCmd->pszCmd[3] != 'h';
2413	if (!pCmd->pszCmd[3] \|\| pCmd->pszCmd[3] == 'a')
2414	fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
2415	? pDbgc->fRegCtxGuest
2416	: DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
2417
2418	bool fPAE, fLME, fPSE, fPGE, fNXE;
2419	uint64_t cr3 = fGuest
2420	? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
2421	: dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
2422	const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
2423
2424	/*
2425	* Setup default argument if none was specified.
2426	* Fix address / index confusion.
2427	*/
2428	DBGCVAR VarDefault;
2429	if (!cArgs)
2430	{
2431	if (pCmd->pszCmd[3] == 'a')
2432	{
2433	if (fLME \|\| fPAE)
2434	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");
2435	if (fGuest)
2436	DBGCVAR_INIT_GC_PHYS(&VarDefault, cr3);
2437	else
2438	DBGCVAR_INIT_HC_PHYS(&VarDefault, cr3);
2439	}
2440	else
2441	DBGCVAR_INIT_GC_FLAT(&VarDefault, 0);
2442	paArgs = &VarDefault;
2443	cArgs = 1;
2444	}
2445	else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
2446	{
2447	/* If it's a number (not an address), it's an index, so convert it to an address. */
2448	Assert(pCmd->pszCmd[3] != 'a');
2449	VarDefault = paArgs[0];
2450	if (fPAE)
2451	return DBGCCmdHlpPrintf(pCmdHlp, "PDE indexing is only implemented for 32-bit paging.\n");
2452	if (VarDefault.u.u64Number >= PAGE_SIZE / cbEntry)
2453	return DBGCCmdHlpPrintf(pCmdHlp, "PDE index is out of range [0..%d].\n", PAGE_SIZE / cbEntry - 1);
2454	VarDefault.u.u64Number <<= X86_PD_SHIFT;
2455	VarDefault.enmType = DBGCVAR_TYPE_GC_FLAT;
2456	paArgs = &VarDefault;
2457	}
2458
2459	/*
2460	* Locate the PDE to start displaying at.
2461	*
2462	* The 'dpda' command takes the address of a PDE, while the others are guest
2463	* virtual address which PDEs should be displayed. So, 'dpda' is rather simple
2464	* while the others require us to do all the tedious walking thru the paging
2465	* hierarchy to find the intended PDE.
2466	*/
2467	unsigned iEntry = ~0U; /* The page directory index. ~0U for 'dpta'. */
2468	DBGCVAR VarGCPtr; /* The GC address corresponding to the current PDE (iEntry != ~0U). */
2469	DBGCVAR VarPDEAddr; /* The address of the current PDE. */
2470	unsigned cEntries; /* The number of entries to display. */
2471	unsigned cEntriesMax; /* The max number of entries to display. */
2472	int rc;
2473	if (pCmd->pszCmd[3] == 'a')
2474	{
2475	VarPDEAddr = paArgs[0];
2476	switch (VarPDEAddr.enmRangeType)
2477	{
2478	case DBGCVAR_RANGE_BYTES: cEntries = VarPDEAddr.u64Range / cbEntry; break;
2479	case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPDEAddr.u64Range; break;
2480	default: cEntries = 10; break;
2481	}
2482	cEntriesMax = PAGE_SIZE / cbEntry;
2483	}
2484	else
2485	{
2486	/*
2487	* Determine the range.
2488	*/
2489	switch (paArgs[0].enmRangeType)
2490	{
2491	case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
2492	case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
2493	default: cEntries = 10; break;
2494	}
2495
2496	/*
2497	* Normalize the input address, it must be a flat GC address.
2498	*/
2499	rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
2500	if (RT_FAILURE(rc))
2501	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
2502	if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
2503	{
2504	VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
2505	VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
2506	}
2507	if (fPAE)
2508	VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_PAE_SHIFT) - 1);
2509	else
2510	VarGCPtr.u.GCFlat &= ~(((RTGCPTR)1 << X86_PD_SHIFT) - 1);
2511
2512	/*
2513	* Do the paging walk until we get to the page directory.
2514	*/
2515	DBGCVAR VarCur;
2516	if (fGuest)
2517	DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
2518	else
2519	DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
2520	if (fLME)
2521	{
2522	/* Page Map Level 4 Lookup. */
2523	/* Check if it's a valid address first? */
2524	VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
2525	VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
2526	X86PML4E Pml4e;
2527	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
2528	if (RT_FAILURE(rc))
2529	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
2530	if (!Pml4e.n.u1Present)
2531	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
2532
2533	VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
2534	Assert(fPAE);
2535	}
2536	if (fPAE)
2537	{
2538	/* Page directory pointer table. */
2539	X86PDPE Pdpe;
2540	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
2541	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
2542	if (RT_FAILURE(rc))
2543	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
2544	if (!Pdpe.n.u1Present)
2545	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
2546
2547	iEntry = (VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK;
2548	VarPDEAddr = VarCur;
2549	VarPDEAddr.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
2550	VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDEPAE);
2551	}
2552	else
2553	{
2554	/* 32-bit legacy - CR3 == page directory. */
2555	iEntry = (VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK;
2556	VarPDEAddr = VarCur;
2557	VarPDEAddr.u.u64Number += iEntry * sizeof(X86PDE);
2558	}
2559	cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
2560	}
2561
2562	/* adjust cEntries */
2563	cEntries = RT_MAX(1, cEntries);
2564	cEntries = RT_MIN(cEntries, cEntriesMax);
2565
2566	/*
2567	* The display loop.
2568	*/
2569	DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (index %#x):\n" : "%DV:\n",
2570	&VarPDEAddr, iEntry);
2571	do
2572	{
2573	/*
2574	* Read.
2575	*/
2576	X86PDEPAE Pde;
2577	Pde.u = 0;
2578	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, cbEntry, &VarPDEAddr, NULL);
2579	if (RT_FAILURE(rc))
2580	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarPDEAddr);
2581
2582	/*
2583	* Display.
2584	*/
2585	if (iEntry != ~0U)
2586	{
2587	DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
2588	iEntry++;
2589	}
2590	if (fPSE && Pde.b.u1Size)
2591	DBGCCmdHlpPrintf(pCmdHlp,
2592	fPAE
2593	? "%016llx big phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
2594	: "%08llx big phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
2595	Pde.u,
2596	Pde.u & X86_PDE_PAE_PG_MASK,
2597	Pde.b.u1Present ? "p " : "np",
2598	Pde.b.u1Write ? "w" : "r",
2599	Pde.b.u1User ? "u" : "s",
2600	Pde.b.u1Accessed ? "a " : "na",
2601	Pde.b.u1Dirty ? "d " : "nd",
2602	Pde.b.u3Available,
2603	Pde.b.u1Global ? (fPGE ? "g" : "G") : " ",
2604	Pde.b.u1WriteThru ? "pwt" : " ",
2605	Pde.b.u1CacheDisable ? "pcd" : " ",
2606	Pde.b.u1PAT ? "pat" : "",
2607	Pde.b.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
2608	else
2609	DBGCCmdHlpPrintf(pCmdHlp,
2610	fPAE
2611	? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s"
2612	: "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s",
2613	Pde.u,
2614	Pde.u & X86_PDE_PAE_PG_MASK,
2615	Pde.n.u1Present ? "p " : "np",
2616	Pde.n.u1Write ? "w" : "r",
2617	Pde.n.u1User ? "u" : "s",
2618	Pde.n.u1Accessed ? "a " : "na",
2619	Pde.u & RT_BIT(6) ? "6 " : " ",
2620	Pde.n.u3Available,
2621	Pde.u & RT_BIT(8) ? "8" : " ",
2622	Pde.n.u1WriteThru ? "pwt" : " ",
2623	Pde.n.u1CacheDisable ? "pcd" : " ",
2624	Pde.u & RT_BIT(7) ? "7" : "",
2625	Pde.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " ");
2626	if (Pde.u & UINT64_C(0x7fff000000000000))
2627	DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pde.u & UINT64_C(0x7fff000000000000)));
2628	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2629	if (RT_FAILURE(rc))
2630	return rc;
2631
2632	/*
2633	* Advance.
2634	*/
2635	VarPDEAddr.u.u64Number += cbEntry;
2636	if (iEntry != ~0U)
2637	VarGCPtr.u.GCFlat += fPAE ? RT_BIT_32(X86_PD_PAE_SHIFT) : RT_BIT_32(X86_PD_SHIFT);
2638	} while (cEntries-- > 0);
2639
2640	return VINF_SUCCESS;
2641	}
2642
2643
2644	/**
2645	* @interface_method_impl{FNDBCCMD, The 'dpdb' command.}
2646	*/
2647	static DECLCALLBACK(int) dbgcCmdDumpPageDirBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2648	{
2649	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2650	int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dpdg %DV", &paArgs[0]);
2651	int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpdh %DV", &paArgs[0]);
2652	if (RT_FAILURE(rc1))
2653	return rc1;
2654	NOREF(pCmd); NOREF(paArgs); NOREF(cArgs);
2655	return rc2;
2656	}
2657
2658
2659	/**
2660	* @interface_method_impl{FNDBCCMD, The 'dph*' commands and main part of 'm'.}
2661	*/
2662	static DECLCALLBACK(int) dbgcCmdDumpPageHierarchy(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2663	{
2664	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2665	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2666
2667	/*
2668	* Figure the context and base flags.
2669	*/
2670	uint32_t fFlags = DBGFPGDMP_FLAGS_PAGE_INFO \| DBGFPGDMP_FLAGS_PRINT_CR3;
2671	if (pCmd->pszCmd[0] == 'm')
2672	fFlags \|= DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW;
2673	else if (pCmd->pszCmd[3] == '\0')
2674	fFlags \|= pDbgc->fRegCtxGuest ? DBGFPGDMP_FLAGS_GUEST : DBGFPGDMP_FLAGS_SHADOW;
2675	else if (pCmd->pszCmd[3] == 'g')
2676	fFlags \|= DBGFPGDMP_FLAGS_GUEST;
2677	else if (pCmd->pszCmd[3] == 'h')
2678	fFlags \|= DBGFPGDMP_FLAGS_SHADOW;
2679	else
2680	AssertFailed();
2681
2682	if (pDbgc->cPagingHierarchyDumps == 0)
2683	fFlags \|= DBGFPGDMP_FLAGS_HEADER;
2684	pDbgc->cPagingHierarchyDumps = (pDbgc->cPagingHierarchyDumps + 1) % 42;
2685
2686	/*
2687	* Get the range.
2688	*/
2689	PCDBGCVAR pRange = cArgs > 0 ? &paArgs[0] : pDbgc->pLastPos;
2690	RTGCPTR GCPtrFirst = NIL_RTGCPTR;
2691	int rc = DBGCCmdHlpVarToFlatAddr(pCmdHlp, pRange, &GCPtrFirst);
2692	if (RT_FAILURE(rc))
2693	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to convert %DV to a flat address: %Rrc", pRange, rc);
2694
2695	uint64_t cbRange;
2696	rc = DBGCCmdHlpVarGetRange(pCmdHlp, pRange, PAGE_SIZE, PAGE_SIZE * 8, &cbRange);
2697	if (RT_FAILURE(rc))
2698	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to obtain the range of %DV: %Rrc", pRange, rc);
2699
2700	RTGCPTR GCPtrLast = RTGCPTR_MAX - GCPtrFirst;
2701	if (cbRange >= GCPtrLast)
2702	GCPtrLast = RTGCPTR_MAX;
2703	else if (!cbRange)
2704	GCPtrLast = GCPtrFirst;
2705	else
2706	GCPtrLast = GCPtrFirst + cbRange - 1;
2707
2708	/*
2709	* Do we have a CR3?
2710	*/
2711	uint64_t cr3 = 0;
2712	if (cArgs > 1)
2713	{
2714	if ((fFlags & (DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW)) == (DBGFPGDMP_FLAGS_GUEST \| DBGFPGDMP_FLAGS_SHADOW))
2715	return DBGCCmdHlpFail(pCmdHlp, pCmd, "No CR3 or mode arguments when dumping both context, please.");
2716	if (paArgs[1].enmType != DBGCVAR_TYPE_NUMBER)
2717	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The CR3 argument is not a number: %DV", &paArgs[1]);
2718	cr3 = paArgs[1].u.u64Number;
2719	}
2720	else
2721	fFlags \|= DBGFPGDMP_FLAGS_CURRENT_CR3;
2722
2723	/*
2724	* Do we have a mode?
2725	*/
2726	if (cArgs > 2)
2727	{
2728	if (paArgs[2].enmType != DBGCVAR_TYPE_STRING)
2729	return DBGCCmdHlpFail(pCmdHlp, pCmd, "The mode argument is not a string: %DV", &paArgs[2]);
2730	static const struct MODETOFLAGS
2731	{
2732	const char *pszName;
2733	uint32_t fFlags;
2734	} s_aModeToFlags[] =
2735	{
2736	{ "ept", DBGFPGDMP_FLAGS_EPT },
2737	{ "legacy", 0 },
2738	{ "legacy-np", DBGFPGDMP_FLAGS_NP },
2739	{ "pse", DBGFPGDMP_FLAGS_PSE },
2740	{ "pse-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_NP },
2741	{ "pae", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE },
2742	{ "pae-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_NP },
2743	{ "pae-nx", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_NXE },
2744	{ "pae-nx-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_NXE \| DBGFPGDMP_FLAGS_NP },
2745	{ "long", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME },
2746	{ "long-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME \| DBGFPGDMP_FLAGS_NP },
2747	{ "long-nx", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME \| DBGFPGDMP_FLAGS_NXE },
2748	{ "long-nx-np", DBGFPGDMP_FLAGS_PSE \| DBGFPGDMP_FLAGS_PAE \| DBGFPGDMP_FLAGS_LME \| DBGFPGDMP_FLAGS_NXE \| DBGFPGDMP_FLAGS_NP }
2749	};
2750	int i = RT_ELEMENTS(s_aModeToFlags);
2751	while (i-- > 0)
2752	if (!strcmp(s_aModeToFlags[i].pszName, paArgs[2].u.pszString))
2753	{
2754	fFlags \|= s_aModeToFlags[i].fFlags;
2755	break;
2756	}
2757	if (i < 0)
2758	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Unknown mode: \"%s\"", paArgs[2].u.pszString);
2759	}
2760	else
2761	fFlags \|= DBGFPGDMP_FLAGS_CURRENT_MODE;
2762
2763	/*
2764	* Call the worker.
2765	*/
2766	rc = DBGFR3PagingDumpEx(pUVM, pDbgc->idCpu, fFlags, cr3, GCPtrFirst, GCPtrLast, 99 /cMaxDepth/,
2767	DBGCCmdHlpGetDbgfOutputHlp(pCmdHlp));
2768	if (RT_FAILURE(rc))
2769	return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3PagingDumpEx: %Rrc\n", rc);
2770	return VINF_SUCCESS;
2771	}
2772
2773
2774
2775	/**
2776	* @interface_method_impl{FNDBCCMD, The 'dpg*' commands.}
2777	*/
2778	static DECLCALLBACK(int) dbgcCmdDumpPageTable(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
2779	{
2780	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2781
2782	/*
2783	* Validate input.
2784	*/
2785	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs == 1);
2786	if (pCmd->pszCmd[3] == 'a')
2787	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
2788	else
2789	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
2790	\|\| DBGCVAR_ISPOINTER(paArgs[0].enmType));
2791	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
2792
2793	/*
2794	* Guest or shadow page tables? Get the paging parameters.
2795	*/
2796	bool fGuest = pCmd->pszCmd[3] != 'h';
2797	if (!pCmd->pszCmd[3] \|\| pCmd->pszCmd[3] == 'a')
2798	fGuest = paArgs[0].enmType == DBGCVAR_TYPE_NUMBER
2799	? pDbgc->fRegCtxGuest
2800	: DBGCVAR_ISGCPOINTER(paArgs[0].enmType);
2801
2802	bool fPAE, fLME, fPSE, fPGE, fNXE;
2803	uint64_t cr3 = fGuest
2804	? dbgcGetGuestPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE)
2805	: dbgcGetShadowPageMode(pDbgc, &fPAE, &fLME, &fPSE, &fPGE, &fNXE);
2806	const unsigned cbEntry = fPAE ? sizeof(X86PTEPAE) : sizeof(X86PTE);
2807
2808	/*
2809	* Locate the PTE to start displaying at.
2810	*
2811	* The 'dpta' command takes the address of a PTE, while the others are guest
2812	* virtual address which PTEs should be displayed. So, 'pdta' is rather simple
2813	* while the others require us to do all the tedious walking thru the paging
2814	* hierarchy to find the intended PTE.
2815	*/
2816	unsigned iEntry = ~0U; /* The page table index. ~0U for 'dpta'. */
2817	DBGCVAR VarGCPtr; /* The GC address corresponding to the current PTE (iEntry != ~0U). */
2818	DBGCVAR VarPTEAddr; /* The address of the current PTE. */
2819	unsigned cEntries; /* The number of entries to display. */
2820	unsigned cEntriesMax; /* The max number of entries to display. */
2821	int rc;
2822	if (pCmd->pszCmd[3] == 'a')
2823	{
2824	VarPTEAddr = paArgs[0];
2825	switch (VarPTEAddr.enmRangeType)
2826	{
2827	case DBGCVAR_RANGE_BYTES: cEntries = VarPTEAddr.u64Range / cbEntry; break;
2828	case DBGCVAR_RANGE_ELEMENTS: cEntries = VarPTEAddr.u64Range; break;
2829	default: cEntries = 10; break;
2830	}
2831	cEntriesMax = PAGE_SIZE / cbEntry;
2832	}
2833	else
2834	{
2835	/*
2836	* Determine the range.
2837	*/
2838	switch (paArgs[0].enmRangeType)
2839	{
2840	case DBGCVAR_RANGE_BYTES: cEntries = paArgs[0].u64Range / PAGE_SIZE; break;
2841	case DBGCVAR_RANGE_ELEMENTS: cEntries = paArgs[0].u64Range; break;
2842	default: cEntries = 10; break;
2843	}
2844
2845	/*
2846	* Normalize the input address, it must be a flat GC address.
2847	*/
2848	rc = DBGCCmdHlpEval(pCmdHlp, &VarGCPtr, "%%(%Dv)", &paArgs[0]);
2849	if (RT_FAILURE(rc))
2850	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
2851	if (VarGCPtr.enmType == DBGCVAR_TYPE_HC_FLAT)
2852	{
2853	VarGCPtr.u.GCFlat = (uintptr_t)VarGCPtr.u.pvHCFlat;
2854	VarGCPtr.enmType = DBGCVAR_TYPE_GC_FLAT;
2855	}
2856	VarGCPtr.u.GCFlat &= ~(RTGCPTR)PAGE_OFFSET_MASK;
2857
2858	/*
2859	* Do the paging walk until we get to the page table.
2860	*/
2861	DBGCVAR VarCur;
2862	if (fGuest)
2863	DBGCVAR_INIT_GC_PHYS(&VarCur, cr3);
2864	else
2865	DBGCVAR_INIT_HC_PHYS(&VarCur, cr3);
2866	if (fLME)
2867	{
2868	/* Page Map Level 4 Lookup. */
2869	/* Check if it's a valid address first? */
2870	VarCur.u.u64Number &= X86_PTE_PAE_PG_MASK;
2871	VarCur.u.u64Number += (((uint64_t)VarGCPtr.u.GCFlat >> X86_PML4_SHIFT) & X86_PML4_MASK) * sizeof(X86PML4E);
2872	X86PML4E Pml4e;
2873	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pml4e, sizeof(Pml4e), &VarCur, NULL);
2874	if (RT_FAILURE(rc))
2875	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PML4E memory at %DV.\n", &VarCur);
2876	if (!Pml4e.n.u1Present)
2877	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory pointer table is not present for %Dv.\n", &VarGCPtr);
2878
2879	VarCur.u.u64Number = Pml4e.u & X86_PML4E_PG_MASK;
2880	Assert(fPAE);
2881	}
2882	if (fPAE)
2883	{
2884	/* Page directory pointer table. */
2885	X86PDPE Pdpe;
2886	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PDPT_SHIFT) & X86_PDPT_MASK_PAE) * sizeof(Pdpe);
2887	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pdpe, sizeof(Pdpe), &VarCur, NULL);
2888	if (RT_FAILURE(rc))
2889	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDPE memory at %DV.\n", &VarCur);
2890	if (!Pdpe.n.u1Present)
2891	return DBGCCmdHlpPrintf(pCmdHlp, "Page directory is not present for %Dv.\n", &VarGCPtr);
2892
2893	VarCur.u.u64Number = Pdpe.u & X86_PDPE_PG_MASK;
2894
2895	/* Page directory (PAE). */
2896	X86PDEPAE Pde;
2897	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_PAE_SHIFT) & X86_PD_PAE_MASK) * sizeof(Pde);
2898	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
2899	if (RT_FAILURE(rc))
2900	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
2901	if (!Pde.n.u1Present)
2902	return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
2903	if (fPSE && Pde.n.u1Size)
2904	return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
2905
2906	iEntry = (VarGCPtr.u.GCFlat >> X86_PT_PAE_SHIFT) & X86_PT_PAE_MASK;
2907	VarPTEAddr = VarCur;
2908	VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PAE_PG_MASK;
2909	VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTEPAE);
2910	}
2911	else
2912	{
2913	/* Page directory (legacy). */
2914	X86PDE Pde;
2915	VarCur.u.u64Number += ((VarGCPtr.u.GCFlat >> X86_PD_SHIFT) & X86_PD_MASK) * sizeof(Pde);
2916	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pde, sizeof(Pde), &VarCur, NULL);
2917	if (RT_FAILURE(rc))
2918	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PDE memory at %DV.\n", &VarCur);
2919	if (!Pde.n.u1Present)
2920	return DBGCCmdHlpPrintf(pCmdHlp, "Page table is not present for %Dv.\n", &VarGCPtr);
2921	if (fPSE && Pde.n.u1Size)
2922	return pCmdHlp->pfnExec(pCmdHlp, "dpd%s %Dv L3", &pCmd->pszCmd[3], &VarGCPtr);
2923
2924	iEntry = (VarGCPtr.u.GCFlat >> X86_PT_SHIFT) & X86_PT_MASK;
2925	VarPTEAddr = VarCur;
2926	VarPTEAddr.u.u64Number = Pde.u & X86_PDE_PG_MASK;
2927	VarPTEAddr.u.u64Number += iEntry * sizeof(X86PTE);
2928	}
2929	cEntriesMax = (PAGE_SIZE - iEntry) / cbEntry;
2930	}
2931
2932	/* adjust cEntries */
2933	cEntries = RT_MAX(1, cEntries);
2934	cEntries = RT_MIN(cEntries, cEntriesMax);
2935
2936	/*
2937	* The display loop.
2938	*/
2939	DBGCCmdHlpPrintf(pCmdHlp, iEntry != ~0U ? "%DV (base %DV / index %#x):\n" : "%DV:\n",
2940	&VarPTEAddr, &VarGCPtr, iEntry);
2941	do
2942	{
2943	/*
2944	* Read.
2945	*/
2946	X86PTEPAE Pte;
2947	Pte.u = 0;
2948	rc = pCmdHlp->pfnMemRead(pCmdHlp, &Pte, cbEntry, &VarPTEAddr, NULL);
2949	if (RT_FAILURE(rc))
2950	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "Reading PTE memory at %DV.\n", &VarPTEAddr);
2951
2952	/*
2953	* Display.
2954	*/
2955	if (iEntry != ~0U)
2956	{
2957	DBGCCmdHlpPrintf(pCmdHlp, "%03x %DV: ", iEntry, &VarGCPtr);
2958	iEntry++;
2959	}
2960	DBGCCmdHlpPrintf(pCmdHlp,
2961	fPAE
2962	? "%016llx 4kb phys=%016llx %s %s %s %s %s avl=%02x %s %s %s %s %s"
2963	: "%08llx 4kb phys=%08llx %s %s %s %s %s avl=%02x %s %s %s %s %s",
2964	Pte.u,
2965	Pte.u & X86_PTE_PAE_PG_MASK,
2966	Pte.n.u1Present ? "p " : "np",
2967	Pte.n.u1Write ? "w" : "r",
2968	Pte.n.u1User ? "u" : "s",
2969	Pte.n.u1Accessed ? "a " : "na",
2970	Pte.n.u1Dirty ? "d " : "nd",
2971	Pte.n.u3Available,
2972	Pte.n.u1Global ? (fPGE ? "g" : "G") : " ",
2973	Pte.n.u1WriteThru ? "pwt" : " ",
2974	Pte.n.u1CacheDisable ? "pcd" : " ",
2975	Pte.n.u1PAT ? "pat" : " ",
2976	Pte.n.u1NoExecute ? (fNXE ? "nx" : "NX") : " "
2977	);
2978	if (Pte.u & UINT64_C(0x7fff000000000000))
2979	DBGCCmdHlpPrintf(pCmdHlp, " weird=%RX64", (Pte.u & UINT64_C(0x7fff000000000000)));
2980	rc = DBGCCmdHlpPrintf(pCmdHlp, "\n");
2981	if (RT_FAILURE(rc))
2982	return rc;
2983
2984	/*
2985	* Advance.
2986	*/
2987	VarPTEAddr.u.u64Number += cbEntry;
2988	if (iEntry != ~0U)
2989	VarGCPtr.u.GCFlat += PAGE_SIZE;
2990	} while (cEntries-- > 0);
2991
2992	return VINF_SUCCESS;
2993	}
2994
2995
2996	/**
2997	* @interface_method_impl{FNDBCCMD, The 'dptb' command.}
2998	*/
2999	static DECLCALLBACK(int) dbgcCmdDumpPageTableBoth(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3000	{
3001	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3002	int rc1 = pCmdHlp->pfnExec(pCmdHlp, "dptg %DV", &paArgs[0]);
3003	int rc2 = pCmdHlp->pfnExec(pCmdHlp, "dpth %DV", &paArgs[0]);
3004	if (RT_FAILURE(rc1))
3005	return rc1;
3006	NOREF(pCmd); NOREF(cArgs);
3007	return rc2;
3008	}
3009
3010
3011	/**
3012	* @interface_method_impl{FNDBCCMD, The 'dt' command.}
3013	*/
3014	static DECLCALLBACK(int) dbgcCmdDumpTSS(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3015	{
3016	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3017	int rc;
3018
3019	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3020	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs <= 1);
3021	if (cArgs == 1)
3022	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[0].enmType != DBGCVAR_TYPE_STRING
3023	&& paArgs[0].enmType != DBGCVAR_TYPE_SYMBOL);
3024
3025	/*
3026	* Check if the command indicates the type.
3027	*/
3028	enum { kTss16, kTss32, kTss64, kTssToBeDetermined } enmTssType = kTssToBeDetermined;
3029	if (!strcmp(pCmd->pszCmd, "dt16"))
3030	enmTssType = kTss16;
3031	else if (!strcmp(pCmd->pszCmd, "dt32"))
3032	enmTssType = kTss32;
3033	else if (!strcmp(pCmd->pszCmd, "dt64"))
3034	enmTssType = kTss64;
3035
3036	/*
3037	* We can get a TSS selector (number), a far pointer using a TSS selector, or some kind of TSS pointer.
3038	*/
3039	uint32_t SelTss = UINT32_MAX;
3040	DBGCVAR VarTssAddr;
3041	if (cArgs == 0)
3042	{
3043	/** @todo consider querying the hidden bits instead (missing API). */
3044	uint16_t SelTR;
3045	rc = DBGFR3RegCpuQueryU16(pUVM, pDbgc->idCpu, DBGFREG_TR, &SelTR);
3046	if (RT_FAILURE(rc))
3047	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to query TR, rc=%Rrc\n", rc);
3048	DBGCVAR_INIT_GC_FAR(&VarTssAddr, SelTR, 0);
3049	SelTss = SelTR;
3050	}
3051	else if (paArgs[0].enmType == DBGCVAR_TYPE_NUMBER)
3052	{
3053	if (paArgs[0].u.u64Number < 0xffff)
3054	DBGCVAR_INIT_GC_FAR(&VarTssAddr, (RTSEL)paArgs[0].u.u64Number, 0);
3055	else
3056	{
3057	if (paArgs[0].enmRangeType == DBGCVAR_RANGE_ELEMENTS)
3058	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Element count doesn't combine with a TSS address.\n");
3059	DBGCVAR_INIT_GC_FLAT(&VarTssAddr, paArgs[0].u.u64Number);
3060	if (paArgs[0].enmRangeType == DBGCVAR_RANGE_BYTES)
3061	{
3062	VarTssAddr.enmRangeType = paArgs[0].enmRangeType;
3063	VarTssAddr.u64Range = paArgs[0].u64Range;
3064	}
3065	}
3066	}
3067	else
3068	VarTssAddr = paArgs[0];
3069
3070	/*
3071	* Deal with TSS:ign by means of the GDT.
3072	*/
3073	if (VarTssAddr.enmType == DBGCVAR_TYPE_GC_FAR)
3074	{
3075	SelTss = VarTssAddr.u.GCFar.sel;
3076	DBGFSELINFO SelInfo;
3077	rc = DBGFR3SelQueryInfo(pUVM, pDbgc->idCpu, VarTssAddr.u.GCFar.sel, DBGFSELQI_FLAGS_DT_GUEST, &SelInfo);
3078	if (RT_FAILURE(rc))
3079	return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3SelQueryInfo(,%u,%d,,) -> %Rrc.\n",
3080	pDbgc->idCpu, VarTssAddr.u.GCFar.sel, rc);
3081
3082	if (SelInfo.u.Raw.Gen.u1DescType)
3083	return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (!sys)\n", VarTssAddr.u.GCFar.sel);
3084
3085	switch (SelInfo.u.Raw.Gen.u4Type)
3086	{
3087	case X86_SEL_TYPE_SYS_286_TSS_BUSY:
3088	case X86_SEL_TYPE_SYS_286_TSS_AVAIL:
3089	if (enmTssType == kTssToBeDetermined)
3090	enmTssType = kTss16;
3091	break;
3092
3093	case X86_SEL_TYPE_SYS_386_TSS_BUSY: /* AMD64 too */
3094	case X86_SEL_TYPE_SYS_386_TSS_AVAIL:
3095	if (enmTssType == kTssToBeDetermined)
3096	enmTssType = SelInfo.fFlags & DBGFSELINFO_FLAGS_LONG_MODE ? kTss64 : kTss32;
3097	break;
3098
3099	default:
3100	return DBGCCmdHlpFail(pCmdHlp, pCmd, "%04x is not a TSS selector. (type=%x)\n",
3101	VarTssAddr.u.GCFar.sel, SelInfo.u.Raw.Gen.u4Type);
3102	}
3103
3104	DBGCVAR_INIT_GC_FLAT(&VarTssAddr, SelInfo.GCPtrBase);
3105	DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, RT_MAX(SelInfo.cbLimit + 1, SelInfo.cbLimit));
3106	}
3107
3108	/*
3109	* Determine the TSS type if none is currently given.
3110	*/
3111	if (enmTssType == kTssToBeDetermined)
3112	{
3113	if ( VarTssAddr.u64Range > 0
3114	&& VarTssAddr.u64Range < sizeof(X86TSS32) - 4)
3115	enmTssType = kTss16;
3116	else
3117	{
3118	uint64_t uEfer;
3119	rc = DBGFR3RegCpuQueryU64(pUVM, pDbgc->idCpu, DBGFREG_MSR_K6_EFER, &uEfer);
3120	if ( RT_FAILURE(rc)
3121	\|\| !(uEfer & MSR_K6_EFER_LMA) )
3122	enmTssType = kTss32;
3123	else
3124	enmTssType = kTss64;
3125	}
3126	}
3127
3128	/*
3129	* Figure the min/max sizes.
3130	* ASSUMES max TSS size is 64 KB.
3131	*/
3132	uint32_t cbTssMin;
3133	uint32_t cbTssMax;
3134	switch (enmTssType)
3135	{
3136	case kTss16:
3137	cbTssMin = cbTssMax = sizeof(X86TSS16);
3138	break;
3139	case kTss32:
3140	cbTssMin = RT_OFFSETOF(X86TSS32, IntRedirBitmap);
3141	cbTssMax = _64K;
3142	break;
3143	case kTss64:
3144	cbTssMin = RT_OFFSETOF(X86TSS64, IntRedirBitmap);
3145	cbTssMax = _64K;
3146	break;
3147	default:
3148	AssertFailedReturn(VERR_INTERNAL_ERROR);
3149	}
3150	uint32_t cbTss = VarTssAddr.enmRangeType == DBGCVAR_RANGE_BYTES ? (uint32_t)VarTssAddr.u64Range : 0;
3151	if (cbTss == 0)
3152	cbTss = cbTssMin;
3153	else if (cbTss < cbTssMin)
3154	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Minimum TSS size is %u bytes, you specified %llu (%llx) bytes.\n",
3155	cbTssMin, VarTssAddr.u64Range, VarTssAddr.u64Range);
3156	else if (cbTss > cbTssMax)
3157	cbTss = cbTssMax;
3158	DBGCVAR_SET_RANGE(&VarTssAddr, DBGCVAR_RANGE_BYTES, cbTss);
3159
3160	/*
3161	* Read the TSS into a temporary buffer.
3162	*/
3163	uint8_t abBuf[_64K];
3164	size_t cbTssRead;
3165	rc = DBGCCmdHlpMemRead(pCmdHlp, abBuf, cbTss, &VarTssAddr, &cbTssRead);
3166	if (RT_FAILURE(rc))
3167	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read TSS at %Dv: %Rrc\n", &VarTssAddr, rc);
3168	if (cbTssRead < cbTssMin)
3169	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Failed to read essential parts of the TSS (read %zu, min %zu).\n",
3170	cbTssRead, cbTssMin);
3171	if (cbTssRead < cbTss)
3172	memset(&abBuf[cbTssRead], 0xff, cbTss - cbTssRead);
3173
3174
3175	/*
3176	* Format the TSS.
3177	*/
3178	uint16_t offIoBitmap;
3179	switch (enmTssType)
3180	{
3181	case kTss16:
3182	{
3183	PCX86TSS16 pTss = (PCX86TSS16)&abBuf[0];
3184	if (SelTss != UINT32_MAX)
3185	DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS16 at %Dv\n", SelTss, &VarTssAddr);
3186	else
3187	DBGCCmdHlpPrintf(pCmdHlp, "TSS16 at %Dv\n", &VarTssAddr);
3188	DBGCCmdHlpPrintf(pCmdHlp,
3189	"ax=%04x bx=%04x cx=%04x dx=%04x si=%04x di=%04x\n"
3190	"ip=%04x sp=%04x bp=%04x\n"
3191	"cs=%04x ss=%04x ds=%04x es=%04x flags=%04x\n"
3192	"ss:sp0=%04x:%04x ss:sp1=%04x:%04x ss:sp2=%04x:%04x\n"
3193	"prev=%04x ldtr=%04x\n"
3194	,
3195	pTss->ax, pTss->bx, pTss->cx, pTss->dx, pTss->si, pTss->di,
3196	pTss->ip, pTss->sp, pTss->bp,
3197	pTss->cs, pTss->ss, pTss->ds, pTss->es, pTss->flags,
3198	pTss->ss0, pTss->sp0, pTss->ss1, pTss->sp1, pTss->ss2, pTss->sp2,
3199	pTss->selPrev, pTss->selLdt);
3200	if (pTss->cs != 0)
3201	pCmdHlp->pfnExec(pCmdHlp, "u %04x:%04x L 0", pTss->cs, pTss->ip);
3202	offIoBitmap = 0;
3203	break;
3204	}
3205
3206	case kTss32:
3207	{
3208	PCX86TSS32 pTss = (PCX86TSS32)&abBuf[0];
3209	if (SelTss != UINT32_MAX)
3210	DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS32 at %Dv (min=%04x)\n", SelTss, &VarTssAddr, cbTssMin);
3211	else
3212	DBGCCmdHlpPrintf(pCmdHlp, "TSS32 at %Dv (min=%04x)\n", &VarTssAddr, cbTssMin);
3213	DBGCCmdHlpPrintf(pCmdHlp,
3214	"eax=%08x bx=%08x ecx=%08x edx=%08x esi=%08x edi=%08x\n"
3215	"eip=%08x esp=%08x ebp=%08x\n"
3216	"cs=%04x ss=%04x ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n"
3217	"ss:esp0=%04x:%08x ss:esp1=%04x:%08x ss:esp2=%04x:%08x\n"
3218	"prev=%04x ldtr=%04x cr3=%08x debug=%u iomap=%04x\n"
3219	,
3220	pTss->eax, pTss->ebx, pTss->ecx, pTss->edx, pTss->esi, pTss->edi,
3221	pTss->eip, pTss->esp, pTss->ebp,
3222	pTss->cs, pTss->ss, pTss->ds, pTss->es, pTss->fs, pTss->gs, pTss->eflags,
3223	pTss->ss0, pTss->esp0, pTss->ss1, pTss->esp1, pTss->ss2, pTss->esp2,
3224	pTss->selPrev, pTss->selLdt, pTss->cr3, pTss->fDebugTrap, pTss->offIoBitmap);
3225	if (pTss->cs != 0)
3226	pCmdHlp->pfnExec(pCmdHlp, "u %04x:%08x L 0", pTss->cs, pTss->eip);
3227	offIoBitmap = pTss->offIoBitmap;
3228	break;
3229	}
3230
3231	case kTss64:
3232	{
3233	PCX86TSS64 pTss = (PCX86TSS64)&abBuf[0];
3234	if (SelTss != UINT32_MAX)
3235	DBGCCmdHlpPrintf(pCmdHlp, "%04x TSS64 at %Dv (min=%04x)\n", SelTss, &VarTssAddr, cbTssMin);
3236	else
3237	DBGCCmdHlpPrintf(pCmdHlp, "TSS64 at %Dv (min=%04x)\n", &VarTssAddr, cbTssMin);
3238	DBGCCmdHlpPrintf(pCmdHlp,
3239	"rsp0=%016RX16 rsp1=%016RX16 rsp2=%016RX16\n"
3240	"ist1=%016RX16 ist2=%016RX16\n"
3241	"ist3=%016RX16 ist4=%016RX16\n"
3242	"ist5=%016RX16 ist6=%016RX16\n"
3243	"ist7=%016RX16 iomap=%04x\n"
3244	,
3245	pTss->rsp0, pTss->rsp1, pTss->rsp2,
3246	pTss->ist1, pTss->ist2,
3247	pTss->ist3, pTss->ist4,
3248	pTss->ist5, pTss->ist6,
3249	pTss->ist7, pTss->offIoBitmap);
3250	offIoBitmap = pTss->offIoBitmap;
3251	break;
3252	}
3253
3254	default:
3255	AssertFailedReturn(VERR_INTERNAL_ERROR);
3256	}
3257
3258	/*
3259	* Dump the interrupt redirection bitmap.
3260	*/
3261	if (enmTssType != kTss16)
3262	{
3263	if ( offIoBitmap > cbTssMin
3264	&& offIoBitmap < cbTss) /** @todo check exactly what the edge cases are here. */
3265	{
3266	if (offIoBitmap - cbTssMin >= 32)
3267	{
3268	DBGCCmdHlpPrintf(pCmdHlp, "Interrupt redirection:\n");
3269	uint8_t const *pbIntRedirBitmap = &abBuf[offIoBitmap - 32];
3270	uint32_t iStart = 0;
3271	bool fPrev = ASMBitTest(pbIntRedirBitmap, 0); /* LE/BE issue */
3272	for (uint32_t i = 0; i < 256; i++)
3273	{
3274	bool fThis = ASMBitTest(pbIntRedirBitmap, i);
3275	if (fThis != fPrev)
3276	{
3277	DBGCCmdHlpPrintf(pCmdHlp, "%02x-%02x %s\n", iStart, i - 1, fPrev ? "Protected mode" : "Redirected");
3278	fPrev = fThis;
3279	iStart = i;
3280	}
3281	}
3282	if (iStart != 255)
3283	DBGCCmdHlpPrintf(pCmdHlp, "%02x-%02x %s\n", iStart, 255, fPrev ? "Protected mode" : "Redirected");
3284	}
3285	else
3286	DBGCCmdHlpPrintf(pCmdHlp, "Invalid interrupt redirection bitmap size: %u (%#x), expected 32 bytes.\n",
3287	offIoBitmap - cbTssMin, offIoBitmap - cbTssMin);
3288	}
3289	else if (offIoBitmap > 0)
3290	DBGCCmdHlpPrintf(pCmdHlp, "No interrupt redirection bitmap (-%#x)\n", cbTssMin - offIoBitmap);
3291	else
3292	DBGCCmdHlpPrintf(pCmdHlp, "No interrupt redirection bitmap\n");
3293	}
3294
3295	/*
3296	* Dump the I/O permission bitmap if present. The IOPM cannot start below offset 0x64
3297	* (that applies to both 32-bit and 64-bit TSSs since their size is the same).
3298	*/
3299	if (enmTssType != kTss16)
3300	{
3301	if (offIoBitmap < cbTss && offIoBitmap >= 0x64)
3302	{
3303	uint32_t cPorts = RT_MIN((cbTss - offIoBitmap) * 8, _64K);
3304	DBGCVAR VarAddr;
3305	DBGCCmdHlpEval(pCmdHlp, &VarAddr, "%DV + %#x", &VarTssAddr, offIoBitmap);
3306	DBGCCmdHlpPrintf(pCmdHlp, "I/O bitmap at %DV - %#x ports:\n", &VarAddr, cPorts);
3307
3308	uint8_t const *pbIoBitmap = &abBuf[offIoBitmap];
3309	uint32_t iStart = 0;
3310	bool fPrev = ASMBitTest(pbIoBitmap, 0);
3311	uint32_t cLine = 0;
3312	for (uint32_t i = 1; i < cPorts; i++)
3313	{
3314	bool fThis = ASMBitTest(pbIoBitmap, i);
3315	if (fThis != fPrev)
3316	{
3317	cLine++;
3318	DBGCCmdHlpPrintf(pCmdHlp, "%04x-%04x %s%s", iStart, i-1,
3319	fPrev ? "GP" : "OK", (cLine % 6) == 0 ? "\n" : " ");
3320	fPrev = fThis;
3321	iStart = i;
3322	}
3323	}
3324	if (iStart != _64K-1)
3325	DBGCCmdHlpPrintf(pCmdHlp, "%04x-%04x %s\n", iStart, _64K-1, fPrev ? "GP" : "OK");
3326	}
3327	else if (offIoBitmap > 0)
3328	DBGCCmdHlpPrintf(pCmdHlp, "No I/O bitmap (-%#x)\n", cbTssMin - offIoBitmap);
3329	else
3330	DBGCCmdHlpPrintf(pCmdHlp, "No I/O bitmap\n");
3331	}
3332
3333	return VINF_SUCCESS;
3334	}
3335
3336
3337	/**
3338	* @interface_method_impl{FNDBCCMD, The 'm' command.}
3339	*/
3340	static DECLCALLBACK(int) dbgcCmdMemoryInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3341	{
3342	DBGCCmdHlpPrintf(pCmdHlp, "Address: %DV\n", &paArgs[0]);
3343	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3344	return dbgcCmdDumpPageHierarchy(pCmd, pCmdHlp, pUVM, paArgs, cArgs);
3345	}
3346
3347
3348	/**
3349	* Converts one or more variables into a byte buffer for a
3350	* given unit size.
3351	*
3352	* @returns VBox status codes:
3353	* @retval VERR_TOO_MUCH_DATA if the buffer is too small, bitched.
3354	* @retval VERR_INTERNAL_ERROR on bad variable type, bitched.
3355	* @retval VINF_SUCCESS on success.
3356	*
3357	* @param pvBuf The buffer to convert into.
3358	* @param pcbBuf The buffer size on input. The size of the result on output.
3359	* @param cbUnit The unit size to apply when converting.
3360	* The high bit is used to indicate unicode string.
3361	* @param paVars The array of variables to convert.
3362	* @param cVars The number of variables.
3363	*/
3364	int dbgcVarsToBytes(PDBGCCMDHLP pCmdHlp, void pvBuf, uint32_t pcbBuf, size_t cbUnit, PCDBGCVAR paVars, unsigned cVars)
3365	{
3366	union
3367	{
3368	uint8_t *pu8;
3369	uint16_t *pu16;
3370	uint32_t *pu32;
3371	uint64_t *pu64;
3372	} u, uEnd;
3373	u.pu8 = (uint8_t *)pvBuf;
3374	uEnd.pu8 = u.pu8 + *pcbBuf;
3375
3376	unsigned i;
3377	for (i = 0; i < cVars && u.pu8 < uEnd.pu8; i++)
3378	{
3379	switch (paVars[i].enmType)
3380	{
3381	case DBGCVAR_TYPE_GC_FAR:
3382	case DBGCVAR_TYPE_GC_FLAT:
3383	case DBGCVAR_TYPE_GC_PHYS:
3384	case DBGCVAR_TYPE_HC_FLAT:
3385	case DBGCVAR_TYPE_HC_PHYS:
3386	case DBGCVAR_TYPE_NUMBER:
3387	{
3388	uint64_t u64 = paVars[i].u.u64Number;
3389	switch (cbUnit & 0x1f)
3390	{
3391	case 1:
3392	do
3393	{
3394	*u.pu8++ = u64;
3395	u64 >>= 8;
3396	} while (u64);
3397	break;
3398	case 2:
3399	do
3400	{
3401	*u.pu16++ = u64;
3402	u64 >>= 16;
3403	} while (u64);
3404	break;
3405	case 4:
3406	*u.pu32++ = u64;
3407	u64 >>= 32;
3408	if (u64)
3409	*u.pu32++ = u64;
3410	break;
3411	case 8:
3412	*u.pu64++ = u64;
3413	break;
3414	}
3415	break;
3416	}
3417
3418	case DBGCVAR_TYPE_STRING:
3419	case DBGCVAR_TYPE_SYMBOL:
3420	{
3421	const char *psz = paVars[i].u.pszString;
3422	size_t cbString = strlen(psz);
3423	if (cbUnit & RT_BIT_32(31))
3424	{
3425	/* Explode char to unit. */
3426	if (cbString > (uintptr_t)(uEnd.pu8 - u.pu8) * (cbUnit & 0x1f))
3427	{
3428	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
3429	return VERR_TOO_MUCH_DATA;
3430	}
3431	while (*psz)
3432	{
3433	switch (cbUnit & 0x1f)
3434	{
3435	case 1: u.pu8++ = psz; break;
3436	case 2: u.pu16++ = psz; break;
3437	case 4: u.pu32++ = psz; break;
3438	case 8: u.pu64++ = psz; break;
3439	}
3440	psz++;
3441	}
3442	}
3443	else
3444	{
3445	/* Raw copy with zero padding if the size isn't aligned. */
3446	if (cbString > (uintptr_t)(uEnd.pu8 - u.pu8))
3447	{
3448	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
3449	return VERR_TOO_MUCH_DATA;
3450	}
3451
3452	size_t cbCopy = cbString & ~(cbUnit - 1);
3453	memcpy(u.pu8, psz, cbCopy);
3454	u.pu8 += cbCopy;
3455	psz += cbCopy;
3456
3457	size_t cbReminder = cbString & (cbUnit - 1);
3458	if (cbReminder)
3459	{
3460	memcpy(u.pu8, psz, cbString & (cbUnit - 1));
3461	memset(u.pu8 + cbReminder, 0, cbUnit - cbReminder);
3462	u.pu8 += cbUnit;
3463	}
3464	}
3465	break;
3466	}
3467
3468	default:
3469	pcbBuf = u.pu8 - (uint8_t )pvBuf;
3470	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_INTERNAL_ERROR,
3471	"i=%d enmType=%d\n", i, paVars[i].enmType);
3472	return VERR_INTERNAL_ERROR;
3473	}
3474	}
3475	pcbBuf = u.pu8 - (uint8_t )pvBuf;
3476	if (i != cVars)
3477	{
3478	pCmdHlp->pfnVBoxError(pCmdHlp, VERR_TOO_MUCH_DATA, "Max %d bytes.\n", uEnd.pu8 - (uint8_t *)pvBuf);
3479	return VERR_TOO_MUCH_DATA;
3480	}
3481	return VINF_SUCCESS;
3482	}
3483
3484
3485	/**
3486	* @interface_method_impl{FNDBCCMD, The 'eb', 'ew', 'ed' and 'eq' commands.}
3487	*/
3488	static DECLCALLBACK(int) dbgcCmdEditMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3489	{
3490	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3491	unsigned iArg;
3492
3493	/*
3494	* Validate input.
3495	*/
3496	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs >= 2);
3497	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, DBGCVAR_ISPOINTER(paArgs[0].enmType));
3498	for (iArg = 1; iArg < cArgs; iArg++)
3499	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER);
3500	DBGC_CMDHLP_REQ_UVM_RET(pCmdHlp, pCmd, pUVM);
3501
3502	/*
3503	* Figure out the element size.
3504	*/
3505	unsigned cbElement;
3506	switch (pCmd->pszCmd[1])
3507	{
3508	default:
3509	case 'b': cbElement = 1; break;
3510	case 'w': cbElement = 2; break;
3511	case 'd': cbElement = 4; break;
3512	case 'q': cbElement = 8; break;
3513	}
3514
3515	/*
3516	* Do setting.
3517	*/
3518	DBGCVAR Addr = paArgs[0];
3519	for (iArg = 1;;)
3520	{
3521	size_t cbWritten;
3522	int rc = pCmdHlp->pfnMemWrite(pCmdHlp, &paArgs[iArg].u, cbElement, &Addr, &cbWritten);
3523	if (RT_FAILURE(rc))
3524	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Writing memory at %DV.\n", &Addr);
3525	if (cbWritten != cbElement)
3526	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Only wrote %u out of %u bytes!\n", cbWritten, cbElement);
3527
3528	/* advance. */
3529	iArg++;
3530	if (iArg >= cArgs)
3531	break;
3532	rc = DBGCCmdHlpEval(pCmdHlp, &Addr, "%Dv + %#x", &Addr, cbElement);
3533	if (RT_FAILURE(rc))
3534	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "%%(%Dv)", &paArgs[0]);
3535	}
3536
3537	return VINF_SUCCESS;
3538	}
3539
3540
3541	/**
3542	* Executes the search.
3543	*
3544	* @returns VBox status code.
3545	* @param pCmdHlp The command helpers.
3546	* @param pUVM The user mode VM handle.
3547	* @param pAddress The address to start searching from. (undefined on output)
3548	* @param cbRange The address range to search. Must not wrap.
3549	* @param pabBytes The byte pattern to search for.
3550	* @param cbBytes The size of the pattern.
3551	* @param cbUnit The search unit.
3552	* @param cMaxHits The max number of hits.
3553	* @param pResult Where to store the result if it's a function invocation.
3554	*/
3555	static int dbgcCmdWorkerSearchMemDoIt(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGFADDRESS pAddress, RTGCUINTPTR cbRange,
3556	const uint8_t *pabBytes, uint32_t cbBytes,
3557	uint32_t cbUnit, uint64_t cMaxHits, PDBGCVAR pResult)
3558	{
3559	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3560
3561	/*
3562	* Do the search.
3563	*/
3564	uint64_t cHits = 0;
3565	for (;;)
3566	{
3567	/* search */
3568	DBGFADDRESS HitAddress;
3569	int rc = DBGFR3MemScan(pUVM, pDbgc->idCpu, pAddress, cbRange, 1, pabBytes, cbBytes, &HitAddress);
3570	if (RT_FAILURE(rc))
3571	{
3572	if (rc != VERR_DBGF_MEM_NOT_FOUND)
3573	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3MemScan\n");
3574
3575	/* update the current address so we can save it (later). */
3576	pAddress->off += cbRange;
3577	pAddress->FlatPtr += cbRange;
3578	cbRange = 0;
3579	break;
3580	}
3581
3582	/* report result */
3583	DBGCVAR VarCur;
3584	rc = DBGCCmdHlpVarFromDbgfAddr(pCmdHlp, &HitAddress, &VarCur);
3585	if (RT_FAILURE(rc))
3586	return DBGCCmdHlpVBoxError(pCmdHlp, rc, "DBGCCmdHlpVarFromDbgfAddr\n");
3587	if (!pResult)
3588	pCmdHlp->pfnExec(pCmdHlp, "db %DV LB 10", &VarCur);
3589	else
3590	DBGCVAR_ASSIGN(pResult, &VarCur);
3591
3592	/* advance */
3593	cbRange -= HitAddress.FlatPtr - pAddress->FlatPtr;
3594	*pAddress = HitAddress;
3595	pAddress->FlatPtr += cbBytes;
3596	pAddress->off += cbBytes;
3597	if (cbRange <= cbBytes)
3598	{
3599	cbRange = 0;
3600	break;
3601	}
3602	cbRange -= cbBytes;
3603
3604	if (++cHits >= cMaxHits)
3605	{
3606	/// @todo save the search.
3607	break;
3608	}
3609	}
3610
3611	/*
3612	* Save the search so we can resume it...
3613	*/
3614	if (pDbgc->abSearch != pabBytes)
3615	{
3616	memcpy(pDbgc->abSearch, pabBytes, cbBytes);
3617	pDbgc->cbSearch = cbBytes;
3618	pDbgc->cbSearchUnit = cbUnit;
3619	}
3620	pDbgc->cMaxSearchHits = cMaxHits;
3621	pDbgc->SearchAddr = *pAddress;
3622	pDbgc->cbSearchRange = cbRange;
3623
3624	return cHits ? VINF_SUCCESS : VERR_DBGC_COMMAND_FAILED;
3625	}
3626
3627
3628	/**
3629	* Resumes the previous search.
3630	*
3631	* @returns VBox status code.
3632	* @param pCmdHlp Pointer to the command helper functions.
3633	* @param pUVM The user mode VM handle.
3634	* @param pResult Where to store the result of a function invocation.
3635	*/
3636	static int dbgcCmdWorkerSearchMemResume(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PDBGCVAR pResult)
3637	{
3638	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3639
3640	/*
3641	* Make sure there is a previous command.
3642	*/
3643	if (!pDbgc->cbSearch)
3644	{
3645	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Error: No previous search\n");
3646	return VERR_DBGC_COMMAND_FAILED;
3647	}
3648
3649	/*
3650	* Make range and address adjustments.
3651	*/
3652	DBGFADDRESS Address = pDbgc->SearchAddr;
3653	if (Address.FlatPtr == ~(RTGCUINTPTR)0)
3654	{
3655	Address.FlatPtr -= Address.off;
3656	Address.off = 0;
3657	}
3658
3659	RTGCUINTPTR cbRange = pDbgc->cbSearchRange;
3660	if (!cbRange)
3661	cbRange = ~(RTGCUINTPTR)0;
3662	if (Address.FlatPtr + cbRange < pDbgc->SearchAddr.FlatPtr)
3663	cbRange = ~(RTGCUINTPTR)0 - pDbgc->SearchAddr.FlatPtr + !!pDbgc->SearchAddr.FlatPtr;
3664
3665	return dbgcCmdWorkerSearchMemDoIt(pCmdHlp, pUVM, &Address, cbRange, pDbgc->abSearch, pDbgc->cbSearch,
3666	pDbgc->cbSearchUnit, pDbgc->cMaxSearchHits, pResult);
3667	}
3668
3669
3670	/**
3671	* Search memory, worker for the 's' and 's?' functions.
3672	*
3673	* @returns VBox status.
3674	* @param pCmdHlp Pointer to the command helper functions.
3675	* @param pUVM The user mode VM handle.
3676	* @param pAddress Where to start searching. If no range, search till end of address space.
3677	* @param cMaxHits The maximum number of hits.
3678	* @param chType The search type.
3679	* @param paPatArgs The pattern variable array.
3680	* @param cPatArgs Number of pattern variables.
3681	* @param pResult Where to store the result of a function invocation.
3682	*/
3683	static int dbgcCmdWorkerSearchMem(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR pAddress, uint64_t cMaxHits, char chType,
3684	PCDBGCVAR paPatArgs, unsigned cPatArgs, PDBGCVAR pResult)
3685	{
3686	if (pResult)
3687	DBGCVAR_INIT_GC_FLAT(pResult, 0);
3688
3689	/*
3690	* Convert the search pattern into bytes and DBGFR3MemScan can deal with.
3691	*/
3692	uint32_t cbUnit;
3693	switch (chType)
3694	{
3695	case 'a':
3696	case 'b': cbUnit = 1; break;
3697	case 'u': cbUnit = 2 \| RT_BIT_32(31); break;
3698	case 'w': cbUnit = 2; break;
3699	case 'd': cbUnit = 4; break;
3700	case 'q': cbUnit = 8; break;
3701	default:
3702	return pCmdHlp->pfnVBoxError(pCmdHlp, VERR_INVALID_PARAMETER, "chType=%c\n", chType);
3703	}
3704	uint8_t abBytes[RT_SIZEOFMEMB(DBGC, abSearch)];
3705	uint32_t cbBytes = sizeof(abBytes);
3706	int rc = dbgcVarsToBytes(pCmdHlp, abBytes, &cbBytes, cbUnit, paPatArgs, cPatArgs);
3707	if (RT_FAILURE(rc))
3708	return VERR_DBGC_COMMAND_FAILED;
3709
3710	/*
3711	* Make DBGF address and fix the range.
3712	*/
3713	DBGFADDRESS Address;
3714	rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, pAddress, &Address);
3715	if (RT_FAILURE(rc))
3716	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "VarToDbgfAddr(,%Dv,)\n", pAddress);
3717
3718	RTGCUINTPTR cbRange;
3719	switch (pAddress->enmRangeType)
3720	{
3721	case DBGCVAR_RANGE_BYTES:
3722	cbRange = pAddress->u64Range;
3723	if (cbRange != pAddress->u64Range)
3724	cbRange = ~(RTGCUINTPTR)0;
3725	break;
3726
3727	case DBGCVAR_RANGE_ELEMENTS:
3728	cbRange = (RTGCUINTPTR)(pAddress->u64Range * cbUnit);
3729	if ( cbRange != pAddress->u64Range * cbUnit
3730	\|\| cbRange < pAddress->u64Range)
3731	cbRange = ~(RTGCUINTPTR)0;
3732	break;
3733
3734	default:
3735	cbRange = ~(RTGCUINTPTR)0;
3736	break;
3737	}
3738	if (Address.FlatPtr + cbRange < Address.FlatPtr)
3739	cbRange = ~(RTGCUINTPTR)0 - Address.FlatPtr + !!Address.FlatPtr;
3740
3741	/*
3742	* Ok, do it.
3743	*/
3744	return dbgcCmdWorkerSearchMemDoIt(pCmdHlp, pUVM, &Address, cbRange, abBytes, cbBytes, cbUnit, cMaxHits, pResult);
3745	}
3746
3747
3748	/**
3749	* @interface_method_impl{FNDBCCMD, The 's' command.}
3750	*/
3751	static DECLCALLBACK(int) dbgcCmdSearchMem(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3752	{
3753	/* check that the parser did what it's supposed to do. */
3754	//if ( cArgs <= 2
3755	// && paArgs[0].enmType != DBGCVAR_TYPE_STRING)
3756	// return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "parser error\n");
3757
3758	/*
3759	* Repeat previous search?
3760	*/
3761	if (cArgs == 0)
3762	return dbgcCmdWorkerSearchMemResume(pCmdHlp, pUVM, NULL);
3763
3764	/*
3765	* Parse arguments.
3766	*/
3767
3768	return -1;
3769	}
3770
3771
3772	/**
3773	* @interface_method_impl{FNDBCCMD, The 's?' command.}
3774	*/
3775	static DECLCALLBACK(int) dbgcCmdSearchMemType(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3776	{
3777	/* check that the parser did what it's supposed to do. */
3778	DBGC_CMDHLP_ASSERT_PARSER_RET(pCmdHlp, pCmd, 0, cArgs >= 2 && DBGCVAR_ISGCPOINTER(paArgs[0].enmType));
3779	return dbgcCmdWorkerSearchMem(pCmdHlp, pUVM, &paArgs[0], 25, pCmd->pszCmd[1], paArgs + 1, cArgs - 1, NULL);
3780	}
3781
3782
3783	/**
3784	* List near symbol.
3785	*
3786	* @returns VBox status code.
3787	* @param pCmdHlp Pointer to command helper functions.
3788	* @param pUVM The user mode VM handle.
3789	* @param pArg Pointer to the address or symbol to lookup.
3790	*/
3791	static int dbgcDoListNear(PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR pArg)
3792	{
3793	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3794
3795	RTDBGSYMBOL Symbol;
3796	int rc;
3797	if (pArg->enmType == DBGCVAR_TYPE_SYMBOL)
3798	{
3799	/*
3800	* Lookup the symbol address.
3801	*/
3802	rc = DBGFR3AsSymbolByName(pUVM, pDbgc->hDbgAs, pArg->u.pszString, &Symbol, NULL);
3803	if (RT_FAILURE(rc))
3804	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3AsSymbolByName(,,%s,)\n", pArg->u.pszString);
3805
3806	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%RTptr %s\n", Symbol.Value, Symbol.szName);
3807	}
3808	else
3809	{
3810	/*
3811	* Convert it to a flat GC address and lookup that address.
3812	*/
3813	DBGCVAR AddrVar;
3814	rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, "%%(%DV)", pArg);
3815	if (RT_FAILURE(rc))
3816	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "%%(%DV)\n", pArg);
3817
3818	RTINTPTR offDisp;
3819	DBGFADDRESS Addr;
3820	rc = DBGFR3AsSymbolByAddr(pUVM, pDbgc->hDbgAs, DBGFR3AddrFromFlat(pDbgc->pUVM, &Addr, AddrVar.u.GCFlat), &offDisp, &Symbol, NULL);
3821	if (RT_FAILURE(rc))
3822	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3ASymbolByAddr(,,%RGv,,)\n", AddrVar.u.GCFlat);
3823
3824	if (!offDisp)
3825	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%DV %s", &AddrVar, Symbol.szName);
3826	else if (offDisp > 0)
3827	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%DV %s + %RGv", &AddrVar, Symbol.szName, offDisp);
3828	else
3829	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%DV %s - %RGv", &AddrVar, Symbol.szName, -offDisp);
3830	if ((RTGCINTPTR)Symbol.cb > -offDisp)
3831	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " LB %RGv\n", Symbol.cb + offDisp);
3832	else
3833	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "\n");
3834	}
3835
3836	return rc;
3837	}
3838
3839
3840	/**
3841	* @interface_method_impl{FNDBCCMD, The 'ln' (listnear) command.}
3842	*/
3843	static DECLCALLBACK(int) dbgcCmdListNear(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3844	{
3845	if (!cArgs)
3846	{
3847	/*
3848	* Current cs:eip symbol.
3849	*/
3850	DBGCVAR AddrVar;
3851	int rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, "%%(cs:eip)");
3852	if (RT_FAILURE(rc))
3853	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "%%(cs:eip)\n");
3854	return dbgcDoListNear(pCmdHlp, pUVM, &AddrVar);
3855	}
3856
3857	/** @todo Fix the darn parser, it's resolving symbols specified as arguments before we get in here. */
3858	/*
3859	* Iterate arguments.
3860	*/
3861	for (unsigned iArg = 0; iArg < cArgs; iArg++)
3862	{
3863	int rc = dbgcDoListNear(pCmdHlp, pUVM, &paArgs[iArg]);
3864	if (RT_FAILURE(rc))
3865	return rc;
3866	}
3867
3868	NOREF(pCmd);
3869	return VINF_SUCCESS;
3870	}
3871
3872
3873	/**
3874	* Matches the module patters against a module name.
3875	*
3876	* @returns true if matching, otherwise false.
3877	* @param pszName The module name.
3878	* @param paArgs The module pattern argument list.
3879	* @param cArgs Number of arguments.
3880	*/
3881	static bool dbgcCmdListModuleMatch(const char *pszName, PCDBGCVAR paArgs, unsigned cArgs)
3882	{
3883	for (uint32_t i = 0; i < cArgs; i++)
3884	if (RTStrSimplePatternMatch(paArgs[i].u.pszString, pszName))
3885	return true;
3886	return false;
3887	}
3888
3889
3890	/**
3891	* @interface_method_impl{FNDBCCMD, The 'ln' (list near) command.}
3892	*/
3893	static DECLCALLBACK(int) dbgcCmdListModules(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, unsigned cArgs)
3894	{
3895	bool const fMappings = pCmd->pszCmd[2] == 'o';
3896	bool const fVerbose = pCmd->pszCmd[strlen(pCmd->pszCmd) - 1] == 'v';
3897	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
3898
3899	/*
3900	* Iterate the modules in the current address space and print info about
3901	* those matching the input.
3902	*/
3903	RTDBGAS hAs = DBGFR3AsResolveAndRetain(pUVM, pDbgc->hDbgAs);
3904	uint32_t cMods = RTDbgAsModuleCount(hAs);
3905	for (uint32_t iMod = 0; iMod < cMods; iMod++)
3906	{
3907	RTDBGMOD hMod = RTDbgAsModuleByIndex(hAs, iMod);
3908	if (hMod != NIL_RTDBGMOD)
3909	{
3910	bool const fDeferred = RTDbgModIsDeferred(hMod);
3911	bool const fExports = RTDbgModIsExports(hMod);
3912	uint32_t const cSegs = fDeferred ? 1 : RTDbgModSegmentCount(hMod);
3913	const char * const pszName = RTDbgModName(hMod);
3914	const char * const pszImgFile = RTDbgModImageFile(hMod);
3915	const char * const pszImgFileUsed = RTDbgModImageFileUsed(hMod);
3916	const char * const pszDbgFile = RTDbgModDebugFile(hMod);
3917	if ( cArgs == 0
3918	\|\| dbgcCmdListModuleMatch(pszName, paArgs, cArgs))
3919	{
3920	/*
3921	* Find the mapping with the lower address, preferring a full
3922	* image mapping, for the main line.
3923	*/
3924	RTDBGASMAPINFO aMappings[128];
3925	uint32_t cMappings = RT_ELEMENTS(aMappings);
3926	int rc = RTDbgAsModuleQueryMapByIndex(hAs, iMod, &aMappings[0], &cMappings, 0 /fFlags/);
3927	if (RT_SUCCESS(rc))
3928	{
3929	bool fFull = false;
3930	RTUINTPTR uMin = RTUINTPTR_MAX;
3931	for (uint32_t iMap = 0; iMap < cMappings; iMap++)
3932	if ( aMappings[iMap].Address < uMin
3933	&& ( !fFull
3934	\|\| aMappings[iMap].iSeg == NIL_RTDBGSEGIDX))
3935	uMin = aMappings[iMap].Address;
3936	if (!fVerbose \|\| !pszImgFile)
3937	DBGCCmdHlpPrintf(pCmdHlp, "%RGv %04x %s%s\n", (RTGCUINTPTR)uMin, cSegs, pszName,
3938	fExports ? " (exports)" : fDeferred ? " (deferred)" : "");
3939	else
3940	DBGCCmdHlpPrintf(pCmdHlp, "%RGv %04x %-12s %s%s\n", (RTGCUINTPTR)uMin, cSegs, pszName, pszImgFile,
3941	fExports ? " (exports)" : fDeferred ? " (deferred)" : "");
3942	if (fVerbose && pszImgFileUsed)
3943	DBGCCmdHlpPrintf(pCmdHlp, " Local image: %s\n", pszImgFileUsed);
3944	if (fVerbose && pszDbgFile)
3945	DBGCCmdHlpPrintf(pCmdHlp, " Debug file: %s\n", pszDbgFile);
3946
3947	if (fMappings)
3948	{
3949	/* sort by address first - not very efficient. */
3950	for (uint32_t i = 0; i + 1 < cMappings; i++)
3951	for (uint32_t j = i + 1; j < cMappings; j++)
3952	if (aMappings[j].Address < aMappings[i].Address)
3953	{
3954	RTDBGASMAPINFO Tmp = aMappings[j];
3955	aMappings[j] = aMappings[i];
3956	aMappings[i] = Tmp;
3957	}
3958
3959	/* print */
3960	if ( cMappings == 1
3961	&& aMappings[0].iSeg == NIL_RTDBGSEGIDX
3962	&& !fDeferred)
3963	{
3964	for (uint32_t iSeg = 0; iSeg < cSegs; iSeg++)
3965	{
3966	RTDBGSEGMENT SegInfo;
3967	rc = RTDbgModSegmentByIndex(hMod, iSeg, &SegInfo);
3968	if (RT_SUCCESS(rc))
3969	{
3970	if (SegInfo.uRva != RTUINTPTR_MAX)
3971	DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv #%02x %s\n",
3972	(RTGCUINTPTR)(aMappings[0].Address + SegInfo.uRva),
3973	(RTGCUINTPTR)SegInfo.cb, iSeg, SegInfo.szName);
3974	else
3975	DBGCCmdHlpPrintf(pCmdHlp, " %*s %RGv #%02x %s\n",
3976	sizeof(RTGCUINTPTR)*2, "noload",
3977	(RTGCUINTPTR)SegInfo.cb, iSeg, SegInfo.szName);
3978	}
3979	else
3980	DBGCCmdHlpPrintf(pCmdHlp, " Error query segment #%u: %Rrc\n", iSeg, rc);
3981	}
3982	}
3983	else
3984	{
3985	for (uint32_t iMap = 0; iMap < cMappings; iMap++)
3986	if (aMappings[iMap].iSeg == NIL_RTDBGSEGIDX)
3987	DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv <everything>\n",
3988	(RTGCUINTPTR)aMappings[iMap].Address,
3989	(RTGCUINTPTR)RTDbgModImageSize(hMod));
3990	else if (!fDeferred)
3991	{
3992	RTDBGSEGMENT SegInfo;
3993	rc = RTDbgModSegmentByIndex(hMod, aMappings[iMap].iSeg, &SegInfo);
3994	if (RT_FAILURE(rc))
3995	{
3996	RT_ZERO(SegInfo);
3997	strcpy(SegInfo.szName, "error");
3998	}
3999	DBGCCmdHlpPrintf(pCmdHlp, " %RGv %RGv #%02x %s\n",
4000	(RTGCUINTPTR)aMappings[iMap].Address,
4001	(RTGCUINTPTR)SegInfo.cb,
4002	aMappings[iMap].iSeg, SegInfo.szName);
4003	}
4004	else
4005	DBGCCmdHlpPrintf(pCmdHlp, " %RGv #%02x\n",
4006	(RTGCUINTPTR)aMappings[iMap].Address, aMappings[iMap].iSeg);
4007	}
4008	}
4009	}
4010	else
4011	DBGCCmdHlpPrintf(pCmdHlp, "%.*s %04x %s (rc=%Rrc)\n",
4012	sizeof(RTGCPTR) * 2, "???????????", cSegs, pszName, rc);
4013	/** @todo missing address space API for enumerating the mappings. */
4014	}
4015	RTDbgModRelease(hMod);
4016	}
4017	}
4018	RTDbgAsRelease(hAs);
4019
4020	NOREF(pCmd);
4021	return VINF_SUCCESS;
4022	}
4023
4024
4025
4026	/**
4027	* @callback_method_impl{Reads a unsigned 8-bit value.}
4028	*/
4029	static DECLCALLBACK(int) dbgcFuncReadU8(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
4030	PDBGCVAR pResult)
4031	{
4032	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
4033	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
4034	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
4035
4036	uint8_t b;
4037	int rc = DBGCCmdHlpMemRead(pCmdHlp, &b, sizeof(b), &paArgs[0], NULL);
4038	if (RT_FAILURE(rc))
4039	return rc;
4040	DBGCVAR_INIT_NUMBER(pResult, b);
4041
4042	NOREF(pFunc);
4043	return VINF_SUCCESS;
4044	}
4045
4046
4047	/**
4048	* @callback_method_impl{Reads a unsigned 16-bit value.}
4049	*/
4050	static DECLCALLBACK(int) dbgcFuncReadU16(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
4051	PDBGCVAR pResult)
4052	{
4053	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
4054	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
4055	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
4056
4057	uint16_t u16;
4058	int rc = DBGCCmdHlpMemRead(pCmdHlp, &u16, sizeof(u16), &paArgs[0], NULL);
4059	if (RT_FAILURE(rc))
4060	return rc;
4061	DBGCVAR_INIT_NUMBER(pResult, u16);
4062
4063	NOREF(pFunc);
4064	return VINF_SUCCESS;
4065	}
4066
4067
4068	/**
4069	* @callback_method_impl{Reads a unsigned 32-bit value.}
4070	*/
4071	static DECLCALLBACK(int) dbgcFuncReadU32(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
4072	PDBGCVAR pResult)
4073	{
4074	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
4075	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
4076	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
4077
4078	uint32_t u32;
4079	int rc = DBGCCmdHlpMemRead(pCmdHlp, &u32, sizeof(u32), &paArgs[0], NULL);
4080	if (RT_FAILURE(rc))
4081	return rc;
4082	DBGCVAR_INIT_NUMBER(pResult, u32);
4083
4084	NOREF(pFunc);
4085	return VINF_SUCCESS;
4086	}
4087
4088
4089	/**
4090	* @callback_method_impl{Reads a unsigned 64-bit value.}
4091	*/
4092	static DECLCALLBACK(int) dbgcFuncReadU64(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
4093	PDBGCVAR pResult)
4094	{
4095	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
4096	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
4097	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
4098
4099	uint64_t u64;
4100	int rc = DBGCCmdHlpMemRead(pCmdHlp, &u64, sizeof(u64), &paArgs[0], NULL);
4101	if (RT_FAILURE(rc))
4102	return rc;
4103	DBGCVAR_INIT_NUMBER(pResult, u64);
4104
4105	NOREF(pFunc);
4106	return VINF_SUCCESS;
4107	}
4108
4109
4110	/**
4111	* @callback_method_impl{Reads a unsigned pointer-sized value.}
4112	*/
4113	static DECLCALLBACK(int) dbgcFuncReadPtr(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
4114	PDBGCVAR pResult)
4115	{
4116	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
4117	AssertReturn(DBGCVAR_ISPOINTER(paArgs[0].enmType), VERR_DBGC_PARSE_BUG);
4118	AssertReturn(paArgs[0].enmRangeType == DBGCVAR_RANGE_NONE, VERR_DBGC_PARSE_BUG);
4119
4120	CPUMMODE enmMode = DBGCCmdHlpGetCpuMode(pCmdHlp);
4121	if (enmMode == CPUMMODE_LONG)
4122	return dbgcFuncReadU64(pFunc, pCmdHlp, pUVM, paArgs, cArgs, pResult);
4123	return dbgcFuncReadU32(pFunc, pCmdHlp, pUVM, paArgs, cArgs, pResult);
4124	}
4125
4126
4127	/**
4128	* @callback_method_impl{The hi(value) function implementation.}
4129	*/
4130	static DECLCALLBACK(int) dbgcFuncHi(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
4131	PDBGCVAR pResult)
4132	{
4133	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
4134
4135	uint16_t uHi;
4136	switch (paArgs[0].enmType)
4137	{
4138	case DBGCVAR_TYPE_GC_FLAT: uHi = (uint16_t)(paArgs[0].u.GCFlat >> 16); break;
4139	case DBGCVAR_TYPE_GC_FAR: uHi = (uint16_t)paArgs[0].u.GCFar.sel; break;
4140	case DBGCVAR_TYPE_GC_PHYS: uHi = (uint16_t)(paArgs[0].u.GCPhys >> 16); break;
4141	case DBGCVAR_TYPE_HC_FLAT: uHi = (uint16_t)((uintptr_t)paArgs[0].u.pvHCFlat >> 16); break;
4142	case DBGCVAR_TYPE_HC_PHYS: uHi = (uint16_t)(paArgs[0].u.HCPhys >> 16); break;
4143	case DBGCVAR_TYPE_NUMBER: uHi = (uint16_t)(paArgs[0].u.u64Number >> 16); break;
4144	default:
4145	AssertFailedReturn(VERR_DBGC_PARSE_BUG);
4146	}
4147	DBGCVAR_INIT_NUMBER(pResult, uHi);
4148	DBGCVAR_SET_RANGE(pResult, paArgs[0].enmRangeType, paArgs[0].u64Range);
4149
4150	NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
4151	return VINF_SUCCESS;
4152	}
4153
4154
4155	/**
4156	* @callback_method_impl{The low(value) function implementation.}
4157	*/
4158	static DECLCALLBACK(int) dbgcFuncLow(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
4159	PDBGCVAR pResult)
4160	{
4161	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
4162
4163	uint16_t uLow;
4164	switch (paArgs[0].enmType)
4165	{
4166	case DBGCVAR_TYPE_GC_FLAT: uLow = (uint16_t)paArgs[0].u.GCFlat; break;
4167	case DBGCVAR_TYPE_GC_FAR: uLow = (uint16_t)paArgs[0].u.GCFar.off; break;
4168	case DBGCVAR_TYPE_GC_PHYS: uLow = (uint16_t)paArgs[0].u.GCPhys; break;
4169	case DBGCVAR_TYPE_HC_FLAT: uLow = (uint16_t)(uintptr_t)paArgs[0].u.pvHCFlat; break;
4170	case DBGCVAR_TYPE_HC_PHYS: uLow = (uint16_t)paArgs[0].u.HCPhys; break;
4171	case DBGCVAR_TYPE_NUMBER: uLow = (uint16_t)paArgs[0].u.u64Number; break;
4172	default:
4173	AssertFailedReturn(VERR_DBGC_PARSE_BUG);
4174	}
4175	DBGCVAR_INIT_NUMBER(pResult, uLow);
4176	DBGCVAR_SET_RANGE(pResult, paArgs[0].enmRangeType, paArgs[0].u64Range);
4177
4178	NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
4179	return VINF_SUCCESS;
4180	}
4181
4182
4183	/**
4184	* @callback_method_impl{The low(value) function implementation.}
4185	*/
4186	static DECLCALLBACK(int) dbgcFuncNot(PCDBGCFUNC pFunc, PDBGCCMDHLP pCmdHlp, PUVM pUVM, PCDBGCVAR paArgs, uint32_t cArgs,
4187	PDBGCVAR pResult)
4188	{
4189	AssertReturn(cArgs == 1, VERR_DBGC_PARSE_BUG);
4190	NOREF(pFunc); NOREF(pCmdHlp); NOREF(pUVM);
4191	return DBGCCmdHlpEval(pCmdHlp, pResult, "!(%Dv)", &paArgs[0]);
4192	}
4193
4194
4195	/** Generic pointer argument wo/ range. */
4196	static const DBGCVARDESC g_aArgPointerWoRange[] =
4197	{
4198	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
4199	{ 1, 1, DBGCVAR_CAT_POINTER_NO_RANGE, 0, "value", "Address or number." },
4200	};
4201
4202	/** Generic pointer or number argument. */
4203	static const DBGCVARDESC g_aArgPointerNumber[] =
4204	{
4205	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
4206	{ 1, 1, DBGCVAR_CAT_POINTER_NUMBER, 0, "value", "Address or number." },
4207	};
4208
4209
4210
4211	/** Function descriptors for the CodeView / WinDbg emulation.
4212	* The emulation isn't attempting to be identical, only somewhat similar.
4213	*/
4214	const DBGCFUNC g_aFuncsCodeView[] =
4215	{
4216	{ "by", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU8, "address", "Reads a byte at the given address." },
4217	{ "dwo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU32, "address", "Reads a 32-bit value at the given address." },
4218	{ "hi", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncHi, "value", "Returns the high 16-bit bits of a value." },
4219	{ "low", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncLow, "value", "Returns the low 16-bit bits of a value." },
4220	{ "not", 1, 1, &g_aArgPointerNumber[0], RT_ELEMENTS(g_aArgPointerNumber), 0, dbgcFuncNot, "address", "Boolean NOT." },
4221	{ "poi", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadPtr, "address", "Reads a pointer sized (CS) value at the given address." },
4222	{ "qwo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU64, "address", "Reads a 32-bit value at the given address." },
4223	{ "wo", 1, 1, &g_aArgPointerWoRange[0], RT_ELEMENTS(g_aArgPointerWoRange), 0, dbgcFuncReadU16, "address", "Reads a 16-bit value at the given address." },
4224	};
4225
4226	/** The number of functions in the CodeView/WinDbg emulation. */
4227	const uint32_t g_cFuncsCodeView = RT_ELEMENTS(g_aFuncsCodeView);
4228

Note: See TracBrowser for help on using the repository browser.

source: vbox/trunk/src/VBox/Debugger/DBGCEmulateCodeView.cpp@ 46114

Download in other formats: