DBGCCommands.cpp@ 35650

Last change on this file since 35650 was 35628, checked in by vboxsync, 14 years ago
Debugger Console: Clean up, split the command evaluation code out of DBGConsole.cpp and into DBGCEval.cpp.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 82.7 KB

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1	/* $Id: DBGCCommands.cpp 35628 2011-01-19 14:58:26Z vboxsync $ */
2	/** @file
3	* DBGC - Debugger Console, Native Commands.
4	*/
5
6	/*
7	* Copyright (C) 2006-2011 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/vm.h>
25	#include <VBox/param.h>
26	#include <VBox/err.h>
27	#include <VBox/log.h>
28	#include <VBox/version.h>
29
30	#include <iprt/alloca.h>
31	#include <iprt/assert.h>
32	#include <iprt/ctype.h>
33	#include <iprt/dir.h>
34	#include <iprt/env.h>
35	#include <iprt/ldr.h>
36	#include <iprt/mem.h>
37	#include <iprt/path.h>
38	#include <iprt/string.h>
39
40	#include <stdlib.h>
41	#include <stdio.h>
42
43	#include "DBGCInternal.h"
44
45
46	/*******************************************************************************
47	* Internal Functions *
48	*******************************************************************************/
49	static DECLCALLBACK(int) dbgcCmdHelp(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
50	static DECLCALLBACK(int) dbgcCmdQuit(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
51	static DECLCALLBACK(int) dbgcCmdStop(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
52	static DECLCALLBACK(int) dbgcCmdDetect(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
53	static DECLCALLBACK(int) dbgcCmdCpu(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
54	static DECLCALLBACK(int) dbgcCmdInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
55	static DECLCALLBACK(int) dbgcCmdLog(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
56	static DECLCALLBACK(int) dbgcCmdLogDest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
57	static DECLCALLBACK(int) dbgcCmdLogFlags(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
58	static DECLCALLBACK(int) dbgcCmdFormat(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
59	static DECLCALLBACK(int) dbgcCmdLoadImage(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
60	static DECLCALLBACK(int) dbgcCmdLoadMap(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
61	static DECLCALLBACK(int) dbgcCmdLoadSeg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
62	static DECLCALLBACK(int) dbgcCmdLoadSyms(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
63	static DECLCALLBACK(int) dbgcCmdSet(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
64	static DECLCALLBACK(int) dbgcCmdUnset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
65	static DECLCALLBACK(int) dbgcCmdLoadVars(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
66	static DECLCALLBACK(int) dbgcCmdShowVars(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
67	static DECLCALLBACK(int) dbgcCmdLoadPlugIn(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
68	static DECLCALLBACK(int) dbgcCmdUnloadPlugIn(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
69	static DECLCALLBACK(int) dbgcCmdShowPlugIns(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
70	static DECLCALLBACK(int) dbgcCmdHarakiri(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
71	static DECLCALLBACK(int) dbgcCmdEcho(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
72	static DECLCALLBACK(int) dbgcCmdRunScript(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
73	static DECLCALLBACK(int) dbgcCmdWriteCore(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
74
75
76	/*******************************************************************************
77	* Global Variables *
78	*******************************************************************************/
79	/** One argument of any kind. */
80	static const DBGCVARDESC g_aArgAny[] =
81	{
82	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
83	{ 0, 1, DBGCVAR_CAT_ANY, 0, "var", "Any type of argument." },
84	};
85
86	/** Multiple string arguments (min 1). */
87	static const DBGCVARDESC g_aArgMultiStr[] =
88	{
89	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
90	{ 1, ~0, DBGCVAR_CAT_STRING, 0, "strings", "One or more strings." },
91	};
92
93	/** Filename string. */
94	static const DBGCVARDESC g_aArgFilename[] =
95	{
96	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
97	{ 1, 1, DBGCVAR_CAT_STRING, 0, "path", "Filename string." },
98	};
99
100
101	/** 'cpu' arguments. */
102	static const DBGCVARDESC g_aArgCpu[] =
103	{
104	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
105	{ 0, 1, DBGCVAR_CAT_NUMBER_NO_RANGE, 0, "idCpu", "CPU ID" },
106	};
107
108
109	/** 'help' arguments. */
110	static const DBGCVARDESC g_aArgHelp[] =
111	{
112	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
113	{ 0, ~0, DBGCVAR_CAT_STRING, 0, "cmd/op", "Zero or more command or operator names." },
114	};
115
116
117	/** 'info' arguments. */
118	static const DBGCVARDESC g_aArgInfo[] =
119	{
120	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
121	{ 1, 1, DBGCVAR_CAT_STRING, 0, "info", "The name of the info to display." },
122	{ 0, 1, DBGCVAR_CAT_STRING, 0, "args", "String arguments to the handler." },
123	};
124
125
126	/** loadimage arguments. */
127	static const DBGCVARDESC g_aArgLoadImage[] =
128	{
129	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
130	{ 1, 1, DBGCVAR_CAT_STRING, 0, "filename", "Filename string." },
131	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "The module address." },
132	{ 0, 1, DBGCVAR_CAT_STRING, 0, "name", "The module name. (optional)" },
133	};
134
135
136	/** loadmap arguments. */
137	static const DBGCVARDESC g_aArgLoadMap[] =
138	{
139	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
140	{ 1, 1, DBGCVAR_CAT_STRING, 0, "filename", "Filename string." },
141	{ 1, 1, DBGCVAR_CAT_POINTER, DBGCVD_FLAGS_DEP_PREV, "address", "The module address." },
142	{ 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "name", "The module name. Empty string means default. (optional)" },
143	{ 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "subtrahend", "Value to subtract from the addresses in the map file to rebase it correctly to address. (optional)" },
144	{ 0, 1, DBGCVAR_CAT_NUMBER, DBGCVD_FLAGS_DEP_PREV, "seg", "The module segment number (0-based). (optional)" },
145	};
146
147
148	/** loadseg arguments. */
149	static const DBGCVARDESC g_aArgLoadSeg[] =
150	{
151	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
152	{ 1, 1, DBGCVAR_CAT_STRING, 0, "filename", "Filename string." },
153	{ 1, 1, DBGCVAR_CAT_POINTER, 0, "address", "The module address." },
154	{ 1, 1, DBGCVAR_CAT_NUMBER, 0, "seg", "The module segment number (0-based)." },
155	{ 0, 1, DBGCVAR_CAT_STRING, DBGCVD_FLAGS_DEP_PREV, "name", "The module name. Empty string means default. (optional)" },
156	};
157
158
159	/** loadsyms arguments. */
160	static const DBGCVARDESC g_aArgLoadSyms[] =
161	{
162	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
163	{ 1, 1, DBGCVAR_CAT_STRING, 0, "path", "Filename string." },
164	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "delta", "Delta to add to the loaded symbols. (optional)" },
165	{ 0, 1, DBGCVAR_CAT_STRING, 0, "module name", "Module name. (optional)" },
166	{ 0, 1, DBGCVAR_CAT_POINTER, DBGCVD_FLAGS_DEP_PREV, "module address", "Module address. (optional)" },
167	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "module size", "The module size. (optional)" },
168	};
169
170
171	/** log arguments. */
172	static const DBGCVARDESC g_aArgLog[] =
173	{
174	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
175	{ 1, 1, DBGCVAR_CAT_STRING, 0, "groups", "Group modifier string (quote it!)." }
176	};
177
178
179	/** logdest arguments. */
180	static const DBGCVARDESC g_aArgLogDest[] =
181	{
182	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
183	{ 1, 1, DBGCVAR_CAT_STRING, 0, "dests", "Destination modifier string (quote it!)." }
184	};
185
186
187	/** logflags arguments. */
188	static const DBGCVARDESC g_aArgLogFlags[] =
189	{
190	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
191	{ 1, 1, DBGCVAR_CAT_STRING, 0, "flags", "Flag modifier string (quote it!)." }
192	};
193
194
195	/** loadplugin, unloadplugin. */
196	static const DBGCVARDESC g_aArgPlugIn[] =
197	{
198	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
199	{ 1, ~0U, DBGCVAR_CAT_STRING, 0, "plugin", "Plug-in name or filename." },
200	};
201
202
203	/** 'set' arguments */
204	static const DBGCVARDESC g_aArgSet[] =
205	{
206	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
207	{ 1, 1, DBGCVAR_CAT_STRING, 0, "var", "Variable name." },
208	{ 1, 1, DBGCVAR_CAT_ANY, 0, "value", "Value to assign to the variable." },
209	};
210
211
212	/** writecore arguments. */
213	static const DBGCVARDESC g_aArgWriteCore[] =
214	{
215	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
216	{ 1, 1, DBGCVAR_CAT_STRING, 0, "path", "Filename string." },
217	};
218
219
220
221	/** Command descriptors for the basic commands. */
222	const DBGCCMD g_aCmds[] =
223	{
224	/* pszCmd, cArgsMin, cArgsMax, paArgDescs, cArgDescs, pResultDesc,fFlags,pfnHandler pszSyntax, ....pszDescription */
225	{ "bye", 0, 0, NULL, 0, NULL, 0, dbgcCmdQuit, "", "Exits the debugger." },
226	{ "cpu", 0, 1, &g_aArgCpu[0], RT_ELEMENTS(g_aArgCpu), NULL, 0, dbgcCmdCpu, "[idCpu]", "If no argument, display the current CPU, else change to the specified CPU." },
227	{ "echo", 1, ~0, &g_aArgMultiStr[0], RT_ELEMENTS(g_aArgMultiStr),NULL, 0, dbgcCmdEcho, "<str1> [str2..[strN]]", "Displays the strings separated by one blank space and the last one followed by a newline." },
228	{ "exit", 0, 0, NULL, 0, NULL, 0, dbgcCmdQuit, "", "Exits the debugger." },
229	{ "format", 1, 1, &g_aArgAny[0], RT_ELEMENTS(g_aArgAny), NULL, 0, dbgcCmdFormat, "", "Evaluates an expression and formats it." },
230	{ "detect", 0, 0, NULL, 0, NULL, 0, dbgcCmdDetect, "", "Detects or re-detects the guest os and starts the OS specific digger." },
231	{ "harakiri", 0, 0, NULL, 0, NULL, 0, dbgcCmdHarakiri, "", "Kills debugger process." },
232	{ "help", 0, ~0, &g_aArgHelp[0], RT_ELEMENTS(g_aArgHelp), NULL, 0, dbgcCmdHelp, "[cmd/op [..]]", "Display help. For help about info items try 'info help'." },
233	{ "info", 1, 2, &g_aArgInfo[0], RT_ELEMENTS(g_aArgInfo), NULL, 0, dbgcCmdInfo, "<info> [args]", "Display info register in the DBGF. For a list of info items try 'info help'." },
234	{ "loadimage", 2, 3, &g_aArgLoadImage[0], RT_ELEMENTS(g_aArgLoadImage),NULL, 0, dbgcCmdLoadImage, "<filename> <address> [name]",
235	"Loads the symbols of an executable image at the specified address. "
236	/"Optionally giving the module a name other than the file name stem."/ }, /** @todo implement line breaks */
237	{ "loadmap", 2, 5, &g_aArgLoadMap[0], RT_ELEMENTS(g_aArgLoadMap), NULL, 0, dbgcCmdLoadMap, "<filename> <address> [name] [subtrahend] [seg]",
238	"Loads the symbols from a map file, usually at a specified address. "
239	/*"Optionally giving the module a name other than the file name stem "
240	"and a subtrahend to subtract from the addresses."*/ },
241	{ "loadplugin", 1, 1, &g_aArgPlugIn[0], RT_ELEMENTS(g_aArgPlugIn), NULL, 0, dbgcCmdLoadPlugIn,"<plugin1> [plugin2..N]", "Loads one or more plugins" },
242	{ "loadseg", 3, 4, &g_aArgLoadSeg[0], RT_ELEMENTS(g_aArgLoadSeg), NULL, 0, dbgcCmdLoadSeg, "<filename> <address> <seg> [name]",
243	"Loads the symbols of a segment in the executable image at the specified address. "
244	/"Optionally giving the module a name other than the file name stem."/ },
245	{ "loadsyms", 1, 5, &g_aArgLoadSyms[0], RT_ELEMENTS(g_aArgLoadSyms),NULL, 0, dbgcCmdLoadSyms, "<filename> [delta] [module] [module address]", "Loads symbols from a text file. Optionally giving a delta and a module." },
246	{ "loadvars", 1, 1, &g_aArgFilename[0], RT_ELEMENTS(g_aArgFilename),NULL, 0, dbgcCmdLoadVars, "<filename>", "Load variables from file. One per line, same as the args to the set command." },
247	{ "log", 1, 1, &g_aArgLog[0], RT_ELEMENTS(g_aArgLog), NULL, 0, dbgcCmdLog, "<group string>", "Modifies the logging group settings (VBOX_LOG)" },
248	{ "logdest", 1, 1, &g_aArgLogDest[0], RT_ELEMENTS(g_aArgLogDest), NULL, 0, dbgcCmdLogDest, "<dest string>", "Modifies the logging destination (VBOX_LOG_DEST)." },
249	{ "logflags", 1, 1, &g_aArgLogFlags[0], RT_ELEMENTS(g_aArgLogFlags),NULL, 0, dbgcCmdLogFlags, "<flags string>", "Modifies the logging flags (VBOX_LOG_FLAGS)." },
250	{ "quit", 0, 0, NULL, 0, NULL, 0, dbgcCmdQuit, "", "Exits the debugger." },
251	{ "runscript", 1, 1, &g_aArgFilename[0], RT_ELEMENTS(g_aArgFilename),NULL, 0, dbgcCmdRunScript, "<filename>", "Runs the command listed in the script. Lines starting with '#' "
252	"(after removing blanks) are comment. blank lines are ignored. Stops on failure." },
253	{ "set", 2, 2, &g_aArgSet[0], RT_ELEMENTS(g_aArgSet), NULL, 0, dbgcCmdSet, "<var> <value>", "Sets a global variable." },
254	{ "showplugins",0, 0, NULL, 0, NULL, 0, dbgcCmdShowPlugIns,"", "List loaded plugins." },
255	{ "showvars", 0, 0, NULL, 0, NULL, 0, dbgcCmdShowVars, "", "List all the defined variables." },
256	{ "stop", 0, 0, NULL, 0, NULL, 0, dbgcCmdStop, "", "Stop execution." },
257	{ "unloadplugin", 1, ~0, &g_aArgPlugIn[0], RT_ELEMENTS(g_aArgPlugIn), NULL, 0, dbgcCmdUnloadPlugIn, "<plugin1> [plugin2..N]", "Unloads one or more plugins." },
258	{ "unset", 1, ~0, &g_aArgMultiStr[0], RT_ELEMENTS(g_aArgMultiStr),NULL, 0, dbgcCmdUnset, "<var1> [var1..[varN]]", "Unsets (delete) one or more global variables." },
259	{ "writecore", 1, 1, &g_aArgWriteCore[0], RT_ELEMENTS(g_aArgWriteCore), NULL, 0, dbgcCmdWriteCore, "<filename>", "Write core to file." },
260	};
261
262	/** The number of native commands. */
263	const unsigned g_cCmds = RT_ELEMENTS(g_aCmds);
264
265
266	/**
267	* Pointer to head of the list of external commands.
268	*/
269	static PDBGCEXTCMDS g_pExtCmdsHead; /** @todo rw protect g_pExtCmdsHead! */
270	/** Locks the g_pExtCmdsHead list for reading. */
271	#define DBGCEXTCMDS_LOCK_RD() do { } while (0)
272	/** Locks the g_pExtCmdsHead list for writing. */
273	#define DBGCEXTCMDS_LOCK_WR() do { } while (0)
274	/** UnLocks the g_pExtCmdsHead list after reading. */
275	#define DBGCEXTCMDS_UNLOCK_RD() do { } while (0)
276	/** UnLocks the g_pExtCmdsHead list after writing. */
277	#define DBGCEXTCMDS_UNLOCK_WR() do { } while (0)
278
279
280
281
282	/**
283	* Finds a routine.
284	*
285	* @returns Pointer to the command descriptor.
286	* If the request was for an external command, the caller is responsible for
287	* unlocking the external command list.
288	* @returns NULL if not found.
289	* @param pDbgc The debug console instance.
290	* @param pachName Pointer to the routine string (not terminated).
291	* @param cchName Length of the routine name.
292	* @param fExternal Whether or not the routine is external.
293	*/
294	PCDBGCCMD dbgcRoutineLookup(PDBGC pDbgc, const char *pachName, size_t cchName, bool fExternal)
295	{
296	if (!fExternal)
297	{
298	/* emulation first, so commands can be overloaded (info ++). */
299	PCDBGCCMD pCmd = pDbgc->paEmulationCmds;
300	unsigned cLeft = pDbgc->cEmulationCmds;
301	while (cLeft-- > 0)
302	{
303	if ( !strncmp(pachName, pCmd->pszCmd, cchName)
304	&& !pCmd->pszCmd[cchName])
305	return pCmd;
306	pCmd++;
307	}
308
309	for (unsigned iCmd = 0; iCmd < RT_ELEMENTS(g_aCmds); iCmd++)
310	{
311	if ( !strncmp(pachName, g_aCmds[iCmd].pszCmd, cchName)
312	&& !g_aCmds[iCmd].pszCmd[cchName])
313	return &g_aCmds[iCmd];
314	}
315	}
316	else
317	{
318	DBGCEXTCMDS_LOCK_RD();
319	for (PDBGCEXTCMDS pExtCmds = g_pExtCmdsHead; pExtCmds; pExtCmds = pExtCmds->pNext)
320	{
321	for (unsigned iCmd = 0; iCmd < pExtCmds->cCmds; iCmd++)
322	{
323	if ( !strncmp(pachName, pExtCmds->paCmds[iCmd].pszCmd, cchName)
324	&& !pExtCmds->paCmds[iCmd].pszCmd[cchName])
325	return &pExtCmds->paCmds[iCmd];
326	}
327	}
328	DBGCEXTCMDS_UNLOCK_RD();
329	}
330
331	NOREF(pDbgc);
332	return NULL;
333	}
334
335
336	/**
337	* Register one or more external commands.
338	*
339	* @returns VBox status.
340	* @param paCommands Pointer to an array of command descriptors.
341	* The commands must be unique. It's not possible
342	* to register the same commands more than once.
343	* @param cCommands Number of commands.
344	*/
345	DBGDECL(int) DBGCRegisterCommands(PCDBGCCMD paCommands, unsigned cCommands)
346	{
347	/*
348	* Lock the list.
349	*/
350	DBGCEXTCMDS_LOCK_WR();
351	PDBGCEXTCMDS pCur = g_pExtCmdsHead;
352	while (pCur)
353	{
354	if (paCommands == pCur->paCmds)
355	{
356	DBGCEXTCMDS_UNLOCK_WR();
357	AssertMsgFailed(("Attempt at re-registering %d command(s)!\n", cCommands));
358	return VWRN_DBGC_ALREADY_REGISTERED;
359	}
360	pCur = pCur->pNext;
361	}
362
363	/*
364	* Allocate new chunk.
365	*/
366	int rc = 0;
367	pCur = (PDBGCEXTCMDS)RTMemAlloc(sizeof(*pCur));
368	if (pCur)
369	{
370	pCur->cCmds = cCommands;
371	pCur->paCmds = paCommands;
372	pCur->pNext = g_pExtCmdsHead;
373	g_pExtCmdsHead = pCur;
374	}
375	else
376	rc = VERR_NO_MEMORY;
377	DBGCEXTCMDS_UNLOCK_WR();
378
379	return rc;
380	}
381
382
383	/**
384	* Deregister one or more external commands previously registered by
385	* DBGCRegisterCommands().
386	*
387	* @returns VBox status.
388	* @param paCommands Pointer to an array of command descriptors
389	* as given to DBGCRegisterCommands().
390	* @param cCommands Number of commands.
391	*/
392	DBGDECL(int) DBGCDeregisterCommands(PCDBGCCMD paCommands, unsigned cCommands)
393	{
394	/*
395	* Lock the list.
396	*/
397	DBGCEXTCMDS_LOCK_WR();
398	PDBGCEXTCMDS pPrev = NULL;
399	PDBGCEXTCMDS pCur = g_pExtCmdsHead;
400	while (pCur)
401	{
402	if (paCommands == pCur->paCmds)
403	{
404	if (pPrev)
405	pPrev->pNext = pCur->pNext;
406	else
407	g_pExtCmdsHead = pCur->pNext;
408	DBGCEXTCMDS_UNLOCK_WR();
409
410	RTMemFree(pCur);
411	return VINF_SUCCESS;
412	}
413	pPrev = pCur;
414	pCur = pCur->pNext;
415	}
416	DBGCEXTCMDS_UNLOCK_WR();
417
418	NOREF(cCommands);
419	return VERR_DBGC_COMMANDS_NOT_REGISTERED;
420	}
421
422
423
424
425	/**
426	* Prints full command help.
427	*/
428	static int dbgcPrintHelp(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, bool fExternal)
429	{
430	int rc;
431
432	/* the command */
433	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
434	"%s%-*s %-30s %s",
435	fExternal ? "." : "",
436	fExternal ? 10 : 11,
437	pCmd->pszCmd,
438	pCmd->pszSyntax,
439	pCmd->pszDescription);
440	if (!pCmd->cArgsMin && pCmd->cArgsMin == pCmd->cArgsMax)
441	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <no args>\n");
442	else if (pCmd->cArgsMin == pCmd->cArgsMax)
443	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <%u args>\n", pCmd->cArgsMin);
444	else if (pCmd->cArgsMax == ~0U)
445	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <%u+ args>\n", pCmd->cArgsMin);
446	else
447	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <%u to %u args>\n", pCmd->cArgsMin, pCmd->cArgsMax);
448
449	/* argument descriptions. */
450	for (unsigned i = 0; i < pCmd->cArgDescs; i++)
451	{
452	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
453	" %-12s %s",
454	pCmd->paArgDescs[i].pszName,
455	pCmd->paArgDescs[i].pszDescription);
456	if (!pCmd->paArgDescs[i].cTimesMin)
457	{
458	if (pCmd->paArgDescs[i].cTimesMax == ~0U)
459	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <optional+>\n");
460	else
461	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <optional-%u>\n", pCmd->paArgDescs[i].cTimesMax);
462	}
463	else
464	{
465	if (pCmd->paArgDescs[i].cTimesMax == ~0U)
466	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <%u+>\n", pCmd->paArgDescs[i].cTimesMin);
467	else
468	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <%u-%u>\n", pCmd->paArgDescs[i].cTimesMin, pCmd->paArgDescs[i].cTimesMax);
469	}
470	}
471	return rc;
472	}
473
474
475	/**
476	* The 'help' command.
477	*
478	* @returns VBox status.
479	* @param pCmd Pointer to the command descriptor (as registered).
480	* @param pCmdHlp Pointer to command helper functions.
481	* @param pVM Pointer to the current VM (if any).
482	* @param paArgs Pointer to (readonly) array of arguments.
483	* @param cArgs Number of arguments in the array.
484	*/
485	static DECLCALLBACK(int) dbgcCmdHelp(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
486	{
487	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
488	int rc = VINF_SUCCESS;
489	unsigned i;
490
491	if (!cArgs)
492	{
493	/*
494	* All the stuff.
495	*/
496	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
497	"VirtualBox Debugger\n"
498	"-------------------\n"
499	"\n"
500	"Commands and Functions:\n");
501	for (i = 0; i < RT_ELEMENTS(g_aCmds); i++)
502	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
503	"%-11s %-30s %s\n",
504	g_aCmds[i].pszCmd,
505	g_aCmds[i].pszSyntax,
506	g_aCmds[i].pszDescription);
507	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
508	"\n"
509	"Emulation: %s\n", pDbgc->pszEmulation);
510	PCDBGCCMD pCmd2 = pDbgc->paEmulationCmds;
511	for (i = 0; i < pDbgc->cEmulationCmds; i++, pCmd2++)
512	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
513	"%-11s %-30s %s\n",
514	pCmd2->pszCmd,
515	pCmd2->pszSyntax,
516	pCmd2->pszDescription);
517
518	if (g_pExtCmdsHead)
519	{
520	DBGCEXTCMDS_LOCK_RD();
521	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
522	"\n"
523	"External Commands and Functions:\n");
524	for (PDBGCEXTCMDS pExtCmd = g_pExtCmdsHead; pExtCmd; pExtCmd = pExtCmd->pNext)
525	for (i = 0; i < pExtCmd->cCmds; i++)
526	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
527	".%-10s %-30s %s\n",
528	pExtCmd->paCmds[i].pszCmd,
529	pExtCmd->paCmds[i].pszSyntax,
530	pExtCmd->paCmds[i].pszDescription);
531	DBGCEXTCMDS_UNLOCK_RD();
532	}
533
534	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
535	"\n"
536	"Operators:\n");
537	unsigned iPrecedence = 0;
538	unsigned cLeft = g_cOps;
539	while (cLeft > 0)
540	{
541	for (i = 0; i < g_cOps; i++)
542	if (g_aOps[i].iPrecedence == iPrecedence)
543	{
544	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
545	"%-10s %s %s\n",
546	g_aOps[i].szName,
547	g_aOps[i].fBinary ? "Binary" : "Unary ",
548	g_aOps[i].pszDescription);
549	cLeft--;
550	}
551	iPrecedence++;
552	}
553	}
554	else
555	{
556	/*
557	* Search for the arguments (strings).
558	*/
559	for (unsigned iArg = 0; iArg < cArgs; iArg++)
560	{
561	Assert(paArgs[iArg].enmType == DBGCVAR_TYPE_STRING);
562	const char *pszPattern = paArgs[iArg].u.pszString;
563	bool fFound = false;
564
565	/* lookup in the emulation command list first */
566	for (i = 0; i < pDbgc->cEmulationCmds; i++)
567	if (RTStrSimplePatternMatch(pszPattern, pDbgc->paEmulationCmds[i].pszCmd))
568	{
569	rc = dbgcPrintHelp(pCmdHlp, &pDbgc->paEmulationCmds[i], false);
570	fFound = true;
571	}
572
573	/* lookup in the command list (even when found in the emulation) */
574	for (i = 0; i < RT_ELEMENTS(g_aCmds); i++)
575	if (RTStrSimplePatternMatch(pszPattern, g_aCmds[i].pszCmd))
576	{
577	rc = dbgcPrintHelp(pCmdHlp, &g_aCmds[i], false);
578	fFound = true;
579	}
580
581	/* external commands */
582	if ( !fFound
583	&& g_pExtCmdsHead
584	&& ( *pszPattern == '.'
585	\|\| *pszPattern == '?'
586	\|\| pszPattern == ''))
587	{
588	DBGCEXTCMDS_LOCK_RD();
589	const char pszPattern2 = pszPattern + (pszPattern == '.' \|\| *pszPattern == '?');
590	for (PDBGCEXTCMDS pExtCmd = g_pExtCmdsHead; pExtCmd; pExtCmd = pExtCmd->pNext)
591	for (i = 0; i < pExtCmd->cCmds; i++)
592	if (RTStrSimplePatternMatch(pszPattern2, pExtCmd->paCmds[i].pszCmd))
593	{
594	rc = dbgcPrintHelp(pCmdHlp, &pExtCmd->paCmds[i], true);
595	fFound = true;
596	}
597	DBGCEXTCMDS_UNLOCK_RD();
598	}
599
600	/* operators */
601	if (!fFound && strlen(paArgs[iArg].u.pszString) < sizeof(g_aOps[i].szName))
602	{
603	for (i = 0; i < g_cOps; i++)
604	if (RTStrSimplePatternMatch(pszPattern, g_aOps[i].szName))
605	{
606	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
607	"%-10s %s %s\n",
608	g_aOps[i].szName,
609	g_aOps[i].fBinary ? "Binary" : "Unary ",
610	g_aOps[i].pszDescription);
611	fFound = true;
612	}
613	}
614
615	/* found? */
616	if (!fFound)
617	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
618	"error: '%s' was not found!\n",
619	paArgs[iArg].u.pszString);
620	} /* foreach argument */
621	}
622
623	NOREF(pCmd);
624	NOREF(pVM);
625	NOREF(pResult);
626	return rc;
627	}
628
629
630	/**
631	* The 'quit', 'exit' and 'bye' commands.
632	*
633	* @returns VBox status.
634	* @param pCmd Pointer to the command descriptor (as registered).
635	* @param pCmdHlp Pointer to command helper functions.
636	* @param pVM Pointer to the current VM (if any).
637	* @param paArgs Pointer to (readonly) array of arguments.
638	* @param cArgs Number of arguments in the array.
639	*/
640	static DECLCALLBACK(int) dbgcCmdQuit(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
641	{
642	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Quitting console...\n");
643	NOREF(pCmd);
644	NOREF(pVM);
645	NOREF(paArgs);
646	NOREF(cArgs);
647	NOREF(pResult);
648	return VERR_DBGC_QUIT;
649	}
650
651
652	/**
653	* The 'stop' command.
654	*
655	* @returns VBox status.
656	* @param pCmd Pointer to the command descriptor (as registered).
657	* @param pCmdHlp Pointer to command helper functions.
658	* @param pVM Pointer to the current VM (if any).
659	* @param paArgs Pointer to (readonly) array of arguments.
660	* @param cArgs Number of arguments in the array.
661	*/
662	static DECLCALLBACK(int) dbgcCmdStop(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
663	{
664	/*
665	* Check if the VM is halted or not before trying to halt it.
666	*/
667	int rc;
668	if (DBGFR3IsHalted(pVM))
669	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "warning: The VM is already halted...\n");
670	else
671	{
672	rc = DBGFR3Halt(pVM);
673	if (RT_SUCCESS(rc))
674	rc = VWRN_DBGC_CMD_PENDING;
675	else
676	rc = pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Executing DBGFR3Halt().");
677	}
678
679	NOREF(pCmd); NOREF(paArgs); NOREF(cArgs); NOREF(pResult);
680	return rc;
681	}
682
683
684	/**
685	* The 'echo' command.
686	*
687	* @returns VBox status.
688	* @param pCmd Pointer to the command descriptor (as registered).
689	* @param pCmdHlp Pointer to command helper functions.
690	* @param pVM Pointer to the current VM (if any).
691	* @param paArgs Pointer to (readonly) array of arguments.
692	* @param cArgs Number of arguments in the array.
693	*/
694	static DECLCALLBACK(int) dbgcCmdEcho(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
695	{
696	/*
697	* Loop thru the arguments and print them with one space between.
698	*/
699	int rc = 0;
700	for (unsigned i = 0; i < cArgs; i++)
701	{
702	if (paArgs[i].enmType == DBGCVAR_TYPE_STRING)
703	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, i ? " %s" : "%s", paArgs[i].u.pszString);
704	else
705	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, i ? " <parser error>" : "<parser error>");
706	if (RT_FAILURE(rc))
707	return rc;
708	}
709	NOREF(pCmd); NOREF(pResult); NOREF(pVM);
710	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "\n");
711	}
712
713
714	/**
715	* The 'runscript' command.
716	*
717	* @returns VBox status.
718	* @param pCmd Pointer to the command descriptor (as registered).
719	* @param pCmdHlp Pointer to command helper functions.
720	* @param pVM Pointer to the current VM (if any).
721	* @param paArgs Pointer to (readonly) array of arguments.
722	* @param cArgs Number of arguments in the array.
723	*/
724	static DECLCALLBACK(int) dbgcCmdRunScript(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
725	{
726	/* check that the parser did what it's supposed to do. */
727	if ( cArgs != 1
728	\|\| paArgs[0].enmType != DBGCVAR_TYPE_STRING)
729	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "parser error\n");
730
731	/** @todo Load the script here, but someone else should do the actual
732	* evaluation and execution of it. */
733
734	/*
735	* Try open the script.
736	*/
737	const char *pszFilename = paArgs[0].u.pszString;
738	FILE *pFile = fopen(pszFilename, "r");
739	if (!pFile)
740	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Failed to open '%s'.\n", pszFilename);
741
742	/*
743	* Execute it line by line.
744	*/
745	int rc = 0;
746	unsigned iLine = 0;
747	char szLine[8192];
748	while (fgets(szLine, sizeof(szLine), pFile))
749	{
750	/* check that the line isn't too long. */
751	char *pszEnd = strchr(szLine, '\0');
752	if (pszEnd == &szLine[sizeof(szLine) - 1])
753	{
754	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "runscript error: Line #%u is too long\n", iLine);
755	break;
756	}
757	iLine++;
758
759	/* strip leading blanks and check for comment / blank line. */
760	char *psz = RTStrStripL(szLine);
761	if ( *psz == '\0'
762	\|\| *psz == '\n'
763	\|\| *psz == '#')
764	continue;
765
766	/* strip trailing blanks and check for empty line (\r case). */
767	while ( pszEnd > psz
768	&& RT_C_IS_SPACE(pszEnd[-1])) /* RT_C_IS_SPACE includes \n and \r normally. */
769	*--pszEnd = '\0';
770
771	/** @todo check for Control-C / Cancel at this point... */
772
773	/*
774	* Execute the command.
775	*
776	* This is a bit wasteful with scratch space btw., can fix it later.
777	* The whole return code crap should be fixed too, so that it's possible
778	* to know whether a command succeeded (RT_SUCCESS()) or failed, and
779	* more importantly why it failed.
780	*/
781	rc = pCmdHlp->pfnExec(pCmdHlp, "%s", psz);
782	if (RT_FAILURE(rc))
783	{
784	if (rc == VERR_BUFFER_OVERFLOW)
785	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "runscript error: Line #%u is too long (exec overflowed)\n", iLine);
786	break;
787	}
788	if (rc == VWRN_DBGC_CMD_PENDING)
789	{
790	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "runscript error: VWRN_DBGC_CMD_PENDING on line #%u, script terminated\n", iLine);
791	break;
792	}
793	}
794
795	fclose(pFile);
796
797	NOREF(pCmd); NOREF(pResult); NOREF(pVM);
798	return rc;
799	}
800
801
802	/**
803	* The 'detect' command.
804	*
805	* @returns VBox status.
806	* @param pCmd Pointer to the command descriptor (as registered).
807	* @param pCmdHlp Pointer to command helper functions.
808	* @param pVM Pointer to the current VM (if any).
809	* @param paArgs Pointer to (readonly) array of arguments.
810	* @param cArgs Number of arguments in the array.
811	*/
812	static DECLCALLBACK(int) dbgcCmdDetect(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
813	{
814	/* check that the parser did what it's supposed to do. */
815	if (cArgs != 0)
816	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "parser error\n");
817
818	/*
819	* Perform the detection.
820	*/
821	char szName[64];
822	int rc = DBGFR3OSDetect(pVM, szName, sizeof(szName));
823	if (RT_FAILURE(rc))
824	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Executing DBGFR3OSDetect().");
825	if (rc == VINF_SUCCESS)
826	{
827	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Guest OS: %s\n", szName);
828	char szVersion[512];
829	int rc2 = DBGFR3OSQueryNameAndVersion(pVM, NULL, 0, szVersion, sizeof(szVersion));
830	if (RT_SUCCESS(rc2))
831	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Version : %s\n", szVersion);
832	}
833	else
834	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Unable to figure out which guest OS it is, sorry.\n");
835	NOREF(pCmd); NOREF(pResult); NOREF(paArgs);
836	return rc;
837	}
838
839
840	/**
841	* The 'cpu' command.
842	*
843	* @returns VBox status.
844	* @param pCmd Pointer to the command descriptor (as registered).
845	* @param pCmdHlp Pointer to command helper functions.
846	* @param pVM Pointer to the current VM (if any).
847	* @param paArgs Pointer to (readonly) array of arguments.
848	* @param cArgs Number of arguments in the array.
849	*/
850	static DECLCALLBACK(int) dbgcCmdCpu(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
851	{
852	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
853
854	/* check that the parser did what it's supposed to do. */
855	if ( cArgs != 0
856	&& ( cArgs != 1
857	\|\| paArgs[0].enmType != DBGCVAR_TYPE_NUMBER))
858	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "parser error\n");
859	if (!pVM)
860	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: No VM.\n");
861
862	int rc;
863	if (!cArgs)
864	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Current CPU ID: %u\n", pDbgc->idCpu);
865	else
866	{
867	/** @todo add a DBGF getter for this. */
868	if (paArgs[0].u.u64Number >= pVM->cCpus)
869	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: idCpu %u is out of range! Highest ID is %u.\n",
870	paArgs[0].u.u64Number, pVM->cCpus);
871	else
872	{
873	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Changed CPU from %u to %u.\n",
874	pDbgc->idCpu, (VMCPUID)paArgs[0].u.u64Number);
875	pDbgc->idCpu = (VMCPUID)paArgs[0].u.u64Number;
876	}
877	}
878	return rc;
879	}
880
881
882	/**
883	* The 'info' command.
884	*
885	* @returns VBox status.
886	* @param pCmd Pointer to the command descriptor (as registered).
887	* @param pCmdHlp Pointer to command helper functions.
888	* @param pVM Pointer to the current VM (if any).
889	* @param paArgs Pointer to (readonly) array of arguments.
890	* @param cArgs Number of arguments in the array.
891	*/
892	static DECLCALLBACK(int) dbgcCmdInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
893	{
894	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
895
896	/*
897	* Validate input.
898	*/
899	if ( cArgs < 1
900	\|\| cArgs > 2
901	\|\| paArgs[0].enmType != DBGCVAR_TYPE_STRING
902	\|\| paArgs[cArgs - 1].enmType != DBGCVAR_TYPE_STRING)
903	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "internal error: The parser doesn't do its job properly yet.. quote the string.\n");
904	if (!pVM)
905	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: No VM.\n");
906
907	/*
908	* Dump it.
909	*/
910	/** @todo DBGFR3Info should do this, not we. */
911	int rc = VMR3ReqCallWait(pVM, pDbgc->idCpu, (PFNRT)DBGFR3Info, 4,
912	pVM, paArgs[0].u.pszString, cArgs == 2 ? paArgs[1].u.pszString : NULL,
913	DBGCCmdHlpGetDbgfOutputHlp(pCmdHlp));
914	if (RT_FAILURE(rc))
915	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3Info()\n");
916
917	NOREF(pCmd); NOREF(pResult);
918	return 0;
919	}
920
921
922	/**
923	* The 'log' command.
924	*
925	* @returns VBox status.
926	* @param pCmd Pointer to the command descriptor (as registered).
927	* @param pCmdHlp Pointer to command helper functions.
928	* @param pVM Pointer to the current VM (if any).
929	* @param paArgs Pointer to (readonly) array of arguments.
930	* @param cArgs Number of arguments in the array.
931	*/
932	static DECLCALLBACK(int) dbgcCmdLog(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
933	{
934	int rc = DBGFR3LogModifyGroups(pVM, paArgs[0].u.pszString);
935	if (RT_SUCCESS(rc))
936	return VINF_SUCCESS;
937	NOREF(pCmd); NOREF(cArgs); NOREF(pResult);
938	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3LogModifyGroups(%p,'%s')\n", pVM, paArgs[0].u.pszString);
939	}
940
941
942	/**
943	* The 'logdest' command.
944	*
945	* @returns VBox status.
946	* @param pCmd Pointer to the command descriptor (as registered).
947	* @param pCmdHlp Pointer to command helper functions.
948	* @param pVM Pointer to the current VM (if any).
949	* @param paArgs Pointer to (readonly) array of arguments.
950	* @param cArgs Number of arguments in the array.
951	*/
952	static DECLCALLBACK(int) dbgcCmdLogDest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
953	{
954	int rc = DBGFR3LogModifyDestinations(pVM, paArgs[0].u.pszString);
955	if (RT_SUCCESS(rc))
956	return VINF_SUCCESS;
957	NOREF(pCmd); NOREF(cArgs); NOREF(pResult);
958	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3LogModifyDestinations(%p,'%s')\n", pVM, paArgs[0].u.pszString);
959	}
960
961
962	/**
963	* The 'logflags' command.
964	*
965	* @returns VBox status.
966	* @param pCmd Pointer to the command descriptor (as registered).
967	* @param pCmdHlp Pointer to command helper functions.
968	* @param pVM Pointer to the current VM (if any).
969	* @param paArgs Pointer to (readonly) array of arguments.
970	* @param cArgs Number of arguments in the array.
971	*/
972	static DECLCALLBACK(int) dbgcCmdLogFlags(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
973	{
974	int rc = DBGFR3LogModifyFlags(pVM, paArgs[0].u.pszString);
975	if (RT_SUCCESS(rc))
976	return VINF_SUCCESS;
977	NOREF(pCmd); NOREF(cArgs); NOREF(pResult);
978	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3LogModifyFlags(%p,'%s')\n", pVM, paArgs[0].u.pszString);
979	}
980
981
982	/**
983	* The 'format' command.
984	*
985	* @returns VBox status.
986	* @param pCmd Pointer to the command descriptor (as registered).
987	* @param pCmdHlp Pointer to command helper functions.
988	* @param pVM Pointer to the current VM (if any).
989	* @param paArgs Pointer to (readonly) array of arguments.
990	* @param cArgs Number of arguments in the array.
991	*/
992	static DECLCALLBACK(int) dbgcCmdFormat(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
993	{
994	LogFlow(("dbgcCmdFormat\n"));
995	static const char *apszRangeDesc[] =
996	{
997	"none", "bytes", "elements"
998	};
999	int rc;
1000
1001	for (unsigned iArg = 0; iArg < cArgs; iArg++)
1002	{
1003	switch (paArgs[iArg].enmType)
1004	{
1005	case DBGCVAR_TYPE_UNKNOWN:
1006	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1007	"Unknown variable type!\n");
1008	break;
1009	case DBGCVAR_TYPE_GC_FLAT:
1010	if (paArgs[iArg].enmRangeType != DBGCVAR_RANGE_NONE)
1011	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1012	"Guest flat address: %%%08x range %lld %s\n",
1013	paArgs[iArg].u.GCFlat,
1014	paArgs[iArg].u64Range,
1015	apszRangeDesc[paArgs[iArg].enmRangeType]);
1016	else
1017	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1018	"Guest flat address: %%%08x\n",
1019	paArgs[iArg].u.GCFlat);
1020	break;
1021	case DBGCVAR_TYPE_GC_FAR:
1022	if (paArgs[iArg].enmRangeType != DBGCVAR_RANGE_NONE)
1023	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1024	"Guest far address: %04x:%08x range %lld %s\n",
1025	paArgs[iArg].u.GCFar.sel,
1026	paArgs[iArg].u.GCFar.off,
1027	paArgs[iArg].u64Range,
1028	apszRangeDesc[paArgs[iArg].enmRangeType]);
1029	else
1030	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1031	"Guest far address: %04x:%08x\n",
1032	paArgs[iArg].u.GCFar.sel,
1033	paArgs[iArg].u.GCFar.off);
1034	break;
1035	case DBGCVAR_TYPE_GC_PHYS:
1036	if (paArgs[iArg].enmRangeType != DBGCVAR_RANGE_NONE)
1037	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1038	"Guest physical address: %%%%%08x range %lld %s\n",
1039	paArgs[iArg].u.GCPhys,
1040	paArgs[iArg].u64Range,
1041	apszRangeDesc[paArgs[iArg].enmRangeType]);
1042	else
1043	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1044	"Guest physical address: %%%%%08x\n",
1045	paArgs[iArg].u.GCPhys);
1046	break;
1047	case DBGCVAR_TYPE_HC_FLAT:
1048	if (paArgs[iArg].enmRangeType != DBGCVAR_RANGE_NONE)
1049	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1050	"Host flat address: %%%08x range %lld %s\n",
1051	paArgs[iArg].u.pvHCFlat,
1052	paArgs[iArg].u64Range,
1053	apszRangeDesc[paArgs[iArg].enmRangeType]);
1054	else
1055	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1056	"Host flat address: %%%08x\n",
1057	paArgs[iArg].u.pvHCFlat);
1058	break;
1059	case DBGCVAR_TYPE_HC_PHYS:
1060	if (paArgs[iArg].enmRangeType != DBGCVAR_RANGE_NONE)
1061	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1062	"Host physical address: %RHp range %lld %s\n",
1063	paArgs[iArg].u.HCPhys,
1064	paArgs[iArg].u64Range,
1065	apszRangeDesc[paArgs[iArg].enmRangeType]);
1066	else
1067	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1068	"Host physical address: %RHp\n",
1069	paArgs[iArg].u.HCPhys);
1070	break;
1071
1072	case DBGCVAR_TYPE_STRING:
1073	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1074	"String, %lld bytes long: %s\n",
1075	paArgs[iArg].u64Range,
1076	paArgs[iArg].u.pszString);
1077	break;
1078
1079	case DBGCVAR_TYPE_NUMBER:
1080	if (paArgs[iArg].enmRangeType != DBGCVAR_RANGE_NONE)
1081	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1082	"Number: hex %llx dec 0i%lld oct 0t%llo range %lld %s\n",
1083	paArgs[iArg].u.u64Number,
1084	paArgs[iArg].u.u64Number,
1085	paArgs[iArg].u.u64Number,
1086	paArgs[iArg].u64Range,
1087	apszRangeDesc[paArgs[iArg].enmRangeType]);
1088	else
1089	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1090	"Number: hex %llx dec 0i%lld oct 0t%llo\n",
1091	paArgs[iArg].u.u64Number,
1092	paArgs[iArg].u.u64Number,
1093	paArgs[iArg].u.u64Number);
1094	break;
1095
1096	default:
1097	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1098	"Invalid argument type %d\n",
1099	paArgs[iArg].enmType);
1100	break;
1101	}
1102	} /* arg loop */
1103
1104	NOREF(pCmd); NOREF(pVM); NOREF(pResult);
1105	return 0;
1106	}
1107
1108
1109	/**
1110	* The 'loadimage' command.
1111	*
1112	* @returns VBox status.
1113	* @param pCmd Pointer to the command descriptor (as registered).
1114	* @param pCmdHlp Pointer to command helper functions.
1115	* @param pVM Pointer to the current VM (if any).
1116	* @param paArgs Pointer to (readonly) array of arguments.
1117	* @param cArgs Number of arguments in the array.
1118	*/
1119	static DECLCALLBACK(int) dbgcCmdLoadImage(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1120	{
1121	/*
1122	* Validate the parsing and make sense of the input.
1123	* This is a mess as usual because we don't trust the parser yet.
1124	*/
1125	AssertReturn( cArgs >= 2
1126	&& cArgs <= 3
1127	&& paArgs[0].enmType == DBGCVAR_TYPE_STRING
1128	&& DBGCVAR_ISPOINTER(paArgs[1].enmType),
1129	VERR_PARSE_INCORRECT_ARG_TYPE);
1130
1131	const char *pszFilename = paArgs[0].u.pszString;
1132
1133	DBGFADDRESS ModAddress;
1134	int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[1], &ModAddress);
1135	if (RT_FAILURE(rc))
1136	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "pfnVarToDbgfAddr: %Dv\n", &paArgs[1]);
1137
1138	const char *pszModName = NULL;
1139	if (cArgs >= 3)
1140	{
1141	AssertReturn(paArgs[2].enmType == DBGCVAR_TYPE_STRING, VERR_PARSE_INCORRECT_ARG_TYPE);
1142	pszModName = paArgs[2].u.pszString;
1143	}
1144
1145	/*
1146	* Try create a module for it.
1147	*/
1148	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1149	rc = DBGFR3AsLoadImage(pVM, pDbgc->hDbgAs, pszFilename, pszModName, &ModAddress, NIL_RTDBGSEGIDX, 0 /fFlags/);
1150	if (RT_FAILURE(rc))
1151	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3ModuleLoadImage(,,'%s','%s',%Dv,)\n",
1152	pszFilename, pszModName, &paArgs[1]);
1153
1154	NOREF(pCmd); NOREF(pResult);
1155	return VINF_SUCCESS;
1156	}
1157
1158
1159	/**
1160	* The 'loadmap' command.
1161	*
1162	* @returns VBox status.
1163	* @param pCmd Pointer to the command descriptor (as registered).
1164	* @param pCmdHlp Pointer to command helper functions.
1165	* @param pVM Pointer to the current VM (if any).
1166	* @param paArgs Pointer to (readonly) array of arguments.
1167	* @param cArgs Number of arguments in the array.
1168	*/
1169	static DECLCALLBACK(int) dbgcCmdLoadMap(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1170	{
1171	/*
1172	* Validate the parsing and make sense of the input.
1173	* This is a mess as usual because we don't trust the parser yet.
1174	*/
1175	AssertReturn( cArgs >= 2
1176	&& cArgs <= 5
1177	&& paArgs[0].enmType == DBGCVAR_TYPE_STRING
1178	&& DBGCVAR_ISPOINTER(paArgs[1].enmType),
1179	VERR_PARSE_INCORRECT_ARG_TYPE);
1180
1181	const char *pszFilename = paArgs[0].u.pszString;
1182
1183	DBGFADDRESS ModAddress;
1184	int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[1], &ModAddress);
1185	if (RT_FAILURE(rc))
1186	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "pfnVarToDbgfAddr: %Dv\n", &paArgs[1]);
1187
1188	const char *pszModName = NULL;
1189	if (cArgs >= 3)
1190	{
1191	AssertReturn(paArgs[2].enmType == DBGCVAR_TYPE_STRING, VERR_PARSE_INCORRECT_ARG_TYPE);
1192	pszModName = paArgs[2].u.pszString;
1193	}
1194
1195	RTGCUINTPTR uSubtrahend = 0;
1196	if (cArgs >= 4)
1197	{
1198	AssertReturn(paArgs[3].enmType == DBGCVAR_TYPE_NUMBER, VERR_PARSE_INCORRECT_ARG_TYPE);
1199	uSubtrahend = paArgs[3].u.u64Number;
1200	}
1201
1202	RTDBGSEGIDX iModSeg = NIL_RTDBGSEGIDX;
1203	if (cArgs >= 5)
1204	{
1205	AssertReturn(paArgs[4].enmType == DBGCVAR_TYPE_NUMBER, VERR_PARSE_INCORRECT_ARG_TYPE);
1206	iModSeg = (RTDBGSEGIDX)paArgs[4].u.u64Number;
1207	if ( iModSeg != paArgs[4].u.u64Number
1208	\|\| iModSeg > RTDBGSEGIDX_LAST)
1209	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Segment index out of range: %Dv; range={0..%#x}\n", &paArgs[1], RTDBGSEGIDX_LAST);
1210	}
1211
1212	/*
1213	* Try create a module for it.
1214	*/
1215	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1216	rc = DBGFR3AsLoadMap(pVM, pDbgc->hDbgAs, pszFilename, pszModName, &ModAddress, NIL_RTDBGSEGIDX, uSubtrahend, 0 /fFlags/);
1217	if (RT_FAILURE(rc))
1218	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3AsLoadMap(,,'%s','%s',%Dv,)\n",
1219	pszFilename, pszModName, &paArgs[1]);
1220
1221	NOREF(pCmd); NOREF(pResult);
1222	return VINF_SUCCESS;
1223	}
1224
1225
1226	/**
1227	* The 'loadseg' command.
1228	*
1229	* @returns VBox status.
1230	* @param pCmd Pointer to the command descriptor (as registered).
1231	* @param pCmdHlp Pointer to command helper functions.
1232	* @param pVM Pointer to the current VM (if any).
1233	* @param paArgs Pointer to (readonly) array of arguments.
1234	* @param cArgs Number of arguments in the array.
1235	*/
1236	static DECLCALLBACK(int) dbgcCmdLoadSeg(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1237	{
1238	/*
1239	* Validate the parsing and make sense of the input.
1240	* This is a mess as usual because we don't trust the parser yet.
1241	*/
1242	AssertReturn( cArgs >= 3
1243	&& cArgs <= 4
1244	&& paArgs[0].enmType == DBGCVAR_TYPE_STRING
1245	&& DBGCVAR_ISPOINTER(paArgs[1].enmType)
1246	&& paArgs[2].enmType == DBGCVAR_TYPE_NUMBER,
1247	VERR_PARSE_INCORRECT_ARG_TYPE);
1248
1249	const char *pszFilename = paArgs[0].u.pszString;
1250
1251	DBGFADDRESS ModAddress;
1252	int rc = pCmdHlp->pfnVarToDbgfAddr(pCmdHlp, &paArgs[1], &ModAddress);
1253	if (RT_FAILURE(rc))
1254	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "pfnVarToDbgfAddr: %Dv\n", &paArgs[1]);
1255
1256	RTDBGSEGIDX iModSeg = (RTDBGSEGIDX)paArgs[1].u.u64Number;
1257	if ( iModSeg != paArgs[2].u.u64Number
1258	\|\| iModSeg > RTDBGSEGIDX_LAST)
1259	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Segment index out of range: %Dv; range={0..%#x}\n", &paArgs[1], RTDBGSEGIDX_LAST);
1260
1261	const char *pszModName = NULL;
1262	if (cArgs >= 4)
1263	{
1264	AssertReturn(paArgs[3].enmType == DBGCVAR_TYPE_STRING, VERR_PARSE_INCORRECT_ARG_TYPE);
1265	pszModName = paArgs[3].u.pszString;
1266	}
1267
1268	/*
1269	* Call the debug info manager about this loading.
1270	*/
1271	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1272	rc = DBGFR3AsLoadImage(pVM, pDbgc->hDbgAs, pszFilename, pszModName, &ModAddress, iModSeg, 0 /fFlags/);
1273	if (RT_FAILURE(rc))
1274	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3ModuleLoadImage(,,'%s','%s',%Dv,)\n",
1275	pszFilename, pszModName, &paArgs[1]);
1276
1277	NOREF(pCmd); NOREF(pResult);
1278	return VINF_SUCCESS;
1279	}
1280
1281
1282	/**
1283	* The 'loadsyms' command.
1284	*
1285	* @returns VBox status.
1286	* @param pCmd Pointer to the command descriptor (as registered).
1287	* @param pCmdHlp Pointer to command helper functions.
1288	* @param pVM Pointer to the current VM (if any).
1289	* @param paArgs Pointer to (readonly) array of arguments.
1290	* @param cArgs Number of arguments in the array.
1291	*/
1292	static DECLCALLBACK(int) dbgcCmdLoadSyms(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1293	{
1294	/*
1295	* Validate the parsing and make sense of the input.
1296	* This is a mess as usual because we don't trust the parser yet.
1297	*/
1298	if ( cArgs < 1
1299	\|\| paArgs[0].enmType != DBGCVAR_TYPE_STRING)
1300	{
1301	AssertMsgFailed(("Parse error, first argument required to be string!\n"));
1302	return VERR_PARSE_INCORRECT_ARG_TYPE;
1303	}
1304	DBGCVAR AddrVar;
1305	RTGCUINTPTR Delta = 0;
1306	const char *pszModule = NULL;
1307	RTGCUINTPTR ModuleAddress = 0;
1308	unsigned cbModule = 0;
1309	if (cArgs > 1)
1310	{
1311	unsigned iArg = 1;
1312	if (paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1313	{
1314	Delta = (RTGCUINTPTR)paArgs[iArg].u.u64Number;
1315	iArg++;
1316	}
1317	if (iArg < cArgs)
1318	{
1319	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
1320	{
1321	AssertMsgFailed(("Parse error, module argument required to be string!\n"));
1322	return VERR_PARSE_INCORRECT_ARG_TYPE;
1323	}
1324	pszModule = paArgs[iArg].u.pszString;
1325	iArg++;
1326	if (iArg < cArgs)
1327	{
1328	if (!DBGCVAR_ISPOINTER(paArgs[iArg].enmType))
1329	{
1330	AssertMsgFailed(("Parse error, module argument required to be GC pointer!\n"));
1331	return VERR_PARSE_INCORRECT_ARG_TYPE;
1332	}
1333	int rc = DBGCCmdHlpEval(pCmdHlp, &AddrVar, "%%(%Dv)", &paArgs[iArg]);
1334	if (RT_FAILURE(rc))
1335	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Module address cast %%(%Dv) failed.", &paArgs[iArg]);
1336	ModuleAddress = paArgs[iArg].u.GCFlat;
1337	iArg++;
1338	if (iArg < cArgs)
1339	{
1340	if (paArgs[iArg].enmType != DBGCVAR_TYPE_NUMBER)
1341	{
1342	AssertMsgFailed(("Parse error, module argument required to be an integer!\n"));
1343	return VERR_PARSE_INCORRECT_ARG_TYPE;
1344	}
1345	cbModule = (unsigned)paArgs[iArg].u.u64Number;
1346	iArg++;
1347	if (iArg < cArgs)
1348	{
1349	AssertMsgFailed(("Parse error, too many arguments!\n"));
1350	return VERR_PARSE_TOO_MANY_ARGUMENTS;
1351	}
1352	}
1353	}
1354	}
1355	}
1356
1357	/*
1358	* Call the debug info manager about this loading...
1359	*/
1360	int rc = DBGFR3ModuleLoad(pVM, paArgs[0].u.pszString, Delta, pszModule, ModuleAddress, cbModule);
1361	if (RT_FAILURE(rc))
1362	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGInfoSymbolLoad(, '%s', %RGv, '%s', %RGv, 0)\n",
1363	paArgs[0].u.pszString, Delta, pszModule, ModuleAddress);
1364
1365	NOREF(pCmd); NOREF(pResult);
1366	return VINF_SUCCESS;
1367	}
1368
1369
1370	/**
1371	* The 'set' command.
1372	*
1373	* @returns VBox status.
1374	* @param pCmd Pointer to the command descriptor (as registered).
1375	* @param pCmdHlp Pointer to command helper functions.
1376	* @param pVM Pointer to the current VM (if any).
1377	* @param paArgs Pointer to (readonly) array of arguments.
1378	* @param cArgs Number of arguments in the array.
1379	*/
1380	static DECLCALLBACK(int) dbgcCmdSet(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1381	{
1382	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1383
1384	/* parse sanity check. */
1385	AssertMsg(paArgs[0].enmType == DBGCVAR_TYPE_STRING, ("expected string not %d as first arg!\n", paArgs[0].enmType));
1386	if (paArgs[0].enmType != DBGCVAR_TYPE_STRING)
1387	return VERR_PARSE_INCORRECT_ARG_TYPE;
1388
1389
1390	/*
1391	* A variable must start with an alpha chars and only contain alpha numerical chars.
1392	*/
1393	const char *pszVar = paArgs[0].u.pszString;
1394	if (!RT_C_IS_ALPHA(pszVar) \|\| pszVar == '_')
1395	return pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1396	"syntax error: Invalid variable name '%s'. Variable names must match regex '[_a-zA-Z][_a-zA-Z0-9*'!", paArgs[0].u.pszString);
1397
1398	while (RT_C_IS_ALNUM(pszVar) \|\| pszVar == '_')
1399	*pszVar++;
1400	if (*pszVar)
1401	return pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1402	"syntax error: Invalid variable name '%s'. Variable names must match regex '[_a-zA-Z][_a-zA-Z0-9*]'!", paArgs[0].u.pszString);
1403
1404
1405	/*
1406	* Calc variable size.
1407	*/
1408	size_t cbVar = (size_t)paArgs[0].u64Range + sizeof(DBGCNAMEDVAR);
1409	if (paArgs[1].enmType == DBGCVAR_TYPE_STRING)
1410	cbVar += 1 + (size_t)paArgs[1].u64Range;
1411
1412	/*
1413	* Look for existing one.
1414	*/
1415	pszVar = paArgs[0].u.pszString;
1416	for (unsigned iVar = 0; iVar < pDbgc->cVars; iVar++)
1417	{
1418	if (!strcmp(pszVar, pDbgc->papVars[iVar]->szName))
1419	{
1420	/*
1421	* Update existing variable.
1422	*/
1423	void *pv = RTMemRealloc(pDbgc->papVars[iVar], cbVar);
1424	if (!pv)
1425	return VERR_PARSE_NO_MEMORY;
1426	PDBGCNAMEDVAR pVar = pDbgc->papVars[iVar] = (PDBGCNAMEDVAR)pv;
1427
1428	pVar->Var = paArgs[1];
1429	memcpy(pVar->szName, paArgs[0].u.pszString, (size_t)paArgs[0].u64Range + 1);
1430	if (paArgs[1].enmType == DBGCVAR_TYPE_STRING)
1431	pVar->Var.u.pszString = (char *)memcpy(&pVar->szName[paArgs[0].u64Range + 1], paArgs[1].u.pszString, (size_t)paArgs[1].u64Range + 1);
1432	return 0;
1433	}
1434	}
1435
1436	/*
1437	* Allocate another.
1438	*/
1439	PDBGCNAMEDVAR pVar = (PDBGCNAMEDVAR)RTMemAlloc(cbVar);
1440
1441	pVar->Var = paArgs[1];
1442	memcpy(pVar->szName, pszVar, (size_t)paArgs[0].u64Range + 1);
1443	if (paArgs[1].enmType == DBGCVAR_TYPE_STRING)
1444	pVar->Var.u.pszString = (char *)memcpy(&pVar->szName[paArgs[0].u64Range + 1], paArgs[1].u.pszString, (size_t)paArgs[1].u64Range + 1);
1445
1446	/* need to reallocate the pointer array too? */
1447	if (!(pDbgc->cVars % 0x20))
1448	{
1449	void pv = RTMemRealloc(pDbgc->papVars, (pDbgc->cVars + 0x20) sizeof(pDbgc->papVars[0]));
1450	if (!pv)
1451	{
1452	RTMemFree(pVar);
1453	return VERR_PARSE_NO_MEMORY;
1454	}
1455	pDbgc->papVars = (PDBGCNAMEDVAR *)pv;
1456	}
1457	pDbgc->papVars[pDbgc->cVars++] = pVar;
1458
1459	NOREF(pCmd); NOREF(pVM); NOREF(cArgs); NOREF(pResult);
1460	return 0;
1461	}
1462
1463
1464	/**
1465	* The 'unset' command.
1466	*
1467	* @returns VBox status.
1468	* @param pCmd Pointer to the command descriptor (as registered).
1469	* @param pCmdHlp Pointer to command helper functions.
1470	* @param pVM Pointer to the current VM (if any).
1471	* @param paArgs Pointer to (readonly) array of arguments.
1472	* @param cArgs Number of arguments in the array.
1473	*/
1474	static DECLCALLBACK(int) dbgcCmdUnset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1475	{
1476	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1477
1478	/*
1479	* Don't trust the parser.
1480	*/
1481	for (unsigned i = 0; i < cArgs; i++)
1482	if (paArgs[i].enmType != DBGCVAR_TYPE_STRING)
1483	{
1484	AssertMsgFailed(("expected strings only. (arg=%d)!\n", i));
1485	return VERR_PARSE_INCORRECT_ARG_TYPE;
1486	}
1487
1488	/*
1489	* Iterate the variables and unset them.
1490	*/
1491	for (unsigned iArg = 0; iArg < cArgs; iArg++)
1492	{
1493	const char *pszVar = paArgs[iArg].u.pszString;
1494
1495	/*
1496	* Look up the variable.
1497	*/
1498	for (unsigned iVar = 0; iVar < pDbgc->cVars; iVar++)
1499	{
1500	if (!strcmp(pszVar, pDbgc->papVars[iVar]->szName))
1501	{
1502	/*
1503	* Shuffle the array removing this entry.
1504	*/
1505	void *pvFree = pDbgc->papVars[iVar];
1506	if (iVar + 1 < pDbgc->cVars)
1507	memmove(&pDbgc->papVars[iVar],
1508	&pDbgc->papVars[iVar + 1],
1509	(pDbgc->cVars - iVar - 1) * sizeof(pDbgc->papVars[0]));
1510	pDbgc->papVars[--pDbgc->cVars] = NULL;
1511
1512	RTMemFree(pvFree);
1513	}
1514	} /* lookup */
1515	} /* arg loop */
1516
1517	NOREF(pCmd); NOREF(pVM); NOREF(pResult);
1518	return 0;
1519	}
1520
1521
1522	/**
1523	* The 'loadvars' command.
1524	*
1525	* @returns VBox status.
1526	* @param pCmd Pointer to the command descriptor (as registered).
1527	* @param pCmdHlp Pointer to command helper functions.
1528	* @param pVM Pointer to the current VM (if any).
1529	* @param paArgs Pointer to (readonly) array of arguments.
1530	* @param cArgs Number of arguments in the array.
1531	*/
1532	static DECLCALLBACK(int) dbgcCmdLoadVars(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1533	{
1534	/*
1535	* Don't trust the parser.
1536	*/
1537	if ( cArgs != 1
1538	\|\| paArgs[0].enmType != DBGCVAR_TYPE_STRING)
1539	{
1540	AssertMsgFailed(("Expected one string exactly!\n"));
1541	return VERR_PARSE_INCORRECT_ARG_TYPE;
1542	}
1543
1544	/*
1545	* Iterate the variables and unset them.
1546	*/
1547	FILE *pFile = fopen(paArgs[0].u.pszString, "r");
1548	if (pFile)
1549	{
1550	char szLine[4096];
1551	while (fgets(szLine, sizeof(szLine), pFile))
1552	{
1553	/* Strip it. */
1554	char *psz = szLine;
1555	while (RT_C_IS_BLANK(*psz))
1556	psz++;
1557	int i = (int)strlen(psz) - 1;
1558	while (i >= 0 && RT_C_IS_SPACE(psz[i]))
1559	psz[i--] ='\0';
1560	/* Execute it if not comment or empty line. */
1561	if ( *psz != '\0'
1562	&& *psz != '#'
1563	&& *psz != ';')
1564	{
1565	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "dbg: set %s", psz);
1566	pCmdHlp->pfnExec(pCmdHlp, "set %s", psz);
1567	}
1568	}
1569	fclose(pFile);
1570	}
1571	else
1572	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Failed to open file '%s'.\n", paArgs[0].u.pszString);
1573
1574	NOREF(pCmd); NOREF(pVM); NOREF(pResult);
1575	return 0;
1576	}
1577
1578
1579	/**
1580	* The 'showvars' command.
1581	*
1582	* @returns VBox status.
1583	* @param pCmd Pointer to the command descriptor (as registered).
1584	* @param pCmdHlp Pointer to command helper functions.
1585	* @param pVM Pointer to the current VM (if any).
1586	* @param paArgs Pointer to (readonly) array of arguments.
1587	* @param cArgs Number of arguments in the array.
1588	*/
1589	static DECLCALLBACK(int) dbgcCmdShowVars(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1590	{
1591	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1592
1593	for (unsigned iVar = 0; iVar < pDbgc->cVars; iVar++)
1594	{
1595	int rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%-20s ", &pDbgc->papVars[iVar]->szName);
1596	if (!rc)
1597	rc = dbgcCmdFormat(pCmd, pCmdHlp, pVM, &pDbgc->papVars[iVar]->Var, 1, NULL);
1598	if (rc)
1599	return rc;
1600	}
1601
1602	NOREF(paArgs); NOREF(cArgs); NOREF(pResult);
1603	return 0;
1604	}
1605
1606
1607	/**
1608	* Extracts the plugin name from a plugin specifier that may or may not include
1609	* path and/or suffix.
1610	*
1611	* @returns VBox status code.
1612	*
1613	* @param pszDst Where to return the name. At least DBGCPLUGIN_MAX_NAME
1614	* worth of buffer space.
1615	* @param pszPlugIn The plugin specifier to parse.
1616	*/
1617	static int dbgcPlugInExtractName(char pszDst, const char pszPlugIn)
1618	{
1619	/*
1620	* Parse out the name stopping at the extension.
1621	*/
1622	const char *pszName = RTPathFilename(pszPlugIn);
1623	if (!pszName \|\| !*pszName)
1624	return VERR_INVALID_NAME;
1625	if (!RTStrNICmp(pszName, DBGC_PLUG_IN_PREFIX, sizeof(DBGC_PLUG_IN_PREFIX) - 1))
1626	{
1627	pszName += sizeof(DBGC_PLUG_IN_PREFIX) - 1;
1628	if (!*pszName)
1629	return VERR_INVALID_NAME;
1630	}
1631
1632	int ch;
1633	size_t cchName = 0;
1634	while ( (ch = pszName[cchName]) != '\0'
1635	&& ch != '.')
1636	{
1637	if ( !RT_C_IS_ALPHA(ch)
1638	&& ( !RT_C_IS_DIGIT(ch)
1639	\|\| cchName == 0))
1640	return VERR_INVALID_NAME;
1641	cchName++;
1642	}
1643
1644	if (cchName >= DBGCPLUGIN_MAX_NAME)
1645	return VERR_OUT_OF_RANGE;
1646
1647	/*
1648	* We're very picky about the extension if there is no path.
1649	*/
1650	if ( ch == '.'
1651	&& !RTPathHavePath(pszPlugIn)
1652	&& RTStrICmp(&pszName[cchName], RTLdrGetSuff()))
1653	return VERR_INVALID_NAME;
1654
1655	/*
1656	* Copy it.
1657	*/
1658	memcpy(pszDst, pszName, cchName);
1659	pszDst[cchName] = '\0';
1660	return VINF_SUCCESS;
1661	}
1662
1663
1664	/**
1665	* Locate a plug-in in list.
1666	*
1667	* @returns Pointer to the plug-in tracking structure.
1668	* @param pDbgc Pointer to the DBGC instance data.
1669	* @param pszName The name of the plug-in we're looking for.
1670	* @param ppPrev Where to optionally return the pointer to the
1671	* previous list member.
1672	*/
1673	static PDBGCPLUGIN dbgcPlugInLocate(PDBGC pDbgc, const char pszName, PDBGCPLUGIN ppPrev)
1674	{
1675	PDBGCPLUGIN pPrev = NULL;
1676	PDBGCPLUGIN pCur = pDbgc->pPlugInHead;
1677	while (pCur)
1678	{
1679	if (!RTStrICmp(pCur->szName, pszName))
1680	{
1681	if (ppPrev)
1682	*ppPrev = pPrev;
1683	return pCur;
1684	}
1685
1686	/* advance */
1687	pPrev = pCur;
1688	pCur = pCur->pNext;
1689	}
1690	return NULL;
1691	}
1692
1693
1694	/**
1695	* Try load the specified plug-in module.
1696	*
1697	* @returns VINF_SUCCESS on success, path error or loader error on failure.
1698	*
1699	* @param pPlugIn The plugin tracing record.
1700	* @param pszModule Module name.
1701	*/
1702	static int dbgcPlugInTryLoad(PDBGCPLUGIN pPlugIn, const char *pszModule)
1703	{
1704	/*
1705	* Load it and try resolve the entry point.
1706	*/
1707	int rc = RTLdrLoad(pszModule, &pPlugIn->hLdrMod);
1708	if (RT_SUCCESS(rc))
1709	{
1710	rc = RTLdrGetSymbol(pPlugIn->hLdrMod, DBGC_PLUG_IN_ENTRYPOINT, (void **)&pPlugIn->pfnEntry);
1711	if (RT_SUCCESS(rc))
1712	return VINF_SUCCESS;
1713	LogRel(("DBGC: RTLdrGetSymbol('%s', '%s',) -> %Rrc\n", pszModule, DBGC_PLUG_IN_ENTRYPOINT, rc));
1714
1715	RTLdrClose(pPlugIn->hLdrMod);
1716	pPlugIn->hLdrMod = NIL_RTLDRMOD;
1717	}
1718	return rc;
1719	}
1720
1721
1722	/**
1723	* RTPathTraverseList callback.
1724	*
1725	* @returns See FNRTPATHTRAVERSER.
1726	*
1727	* @param pchPath See FNRTPATHTRAVERSER.
1728	* @param cchPath See FNRTPATHTRAVERSER.
1729	* @param pvUser1 The plug-in specifier.
1730	* @param pvUser2 The plug-in tracking record.
1731	*/
1732	static DECLCALLBACK(int) dbgcPlugInLoadCallback(const char pchPath, size_t cchPath, void pvUser1, void *pvUser2)
1733	{
1734	PDBGCPLUGIN pPlugIn = (PDBGCPLUGIN)pvUser2;
1735	const char pszPlugIn = (const char )pvUser1;
1736
1737	/*
1738	* Join the path and the specified plug-in module name, first with the
1739	* prefix and then without it.
1740	*/
1741	size_t cchModule = cchPath + 1 + strlen(pszPlugIn) + sizeof(DBGC_PLUG_IN_PREFIX) + 8;
1742	char pszModule = (char )alloca(cchModule);
1743	AssertReturn(pszModule, VERR_TRY_AGAIN);
1744	memcpy(pszModule, pchPath, cchPath);
1745	pszModule[cchPath] = '\0';
1746
1747	int rc = RTPathAppend(pszModule, cchModule, DBGC_PLUG_IN_PREFIX);
1748	AssertRCReturn(rc, VERR_TRY_AGAIN);
1749	strcat(pszModule, pszPlugIn);
1750	rc = dbgcPlugInTryLoad(pPlugIn, pszModule);
1751	if (RT_SUCCESS(rc))
1752	return VINF_SUCCESS;
1753
1754	pszModule[cchPath] = '\0';
1755	rc = RTPathAppend(pszModule, cchModule, pszPlugIn);
1756	AssertRCReturn(rc, VERR_TRY_AGAIN);
1757	rc = dbgcPlugInTryLoad(pPlugIn, pszModule);
1758	if (RT_SUCCESS(rc))
1759	return VINF_SUCCESS;
1760
1761	return VERR_TRY_AGAIN;
1762	}
1763
1764
1765	/**
1766	* Loads a plug-in.
1767	*
1768	* @returns VBox status code. If pCmd is specified, it's the return from
1769	* DBGCCmdHlpFail.
1770	* @param pDbgc The DBGC instance data.
1771	* @param pszName The plug-in name.
1772	* @param pszPlugIn The plug-in module name.
1773	* @param pCmd The command pointer if invoked by the user, NULL
1774	* if invoked from elsewhere.
1775	*/
1776	static int dbgcPlugInLoad(PDBGC pDbgc, const char pszName, const char pszPlugIn, PCDBGCCMD pCmd)
1777	{
1778	PDBGCCMDHLP pCmdHlp = &pDbgc->CmdHlp;
1779
1780	/*
1781	* Try load it. If specified with a path, we're assuming the user
1782	* wants to load a plug-in from some specific location. Otherwise
1783	* search for it.
1784	*/
1785	PDBGCPLUGIN pPlugIn = (PDBGCPLUGIN)RTMemAllocZ(sizeof(*pPlugIn));
1786	if (!pPlugIn)
1787	return pCmd
1788	? DBGCCmdHlpFail(pCmdHlp, pCmd, "out of memory\n")
1789	: VERR_NO_MEMORY;
1790	strcpy(pPlugIn->szName, pszName);
1791
1792	int rc;
1793	if (RTPathHavePath(pszPlugIn))
1794	rc = dbgcPlugInTryLoad(pPlugIn, pszPlugIn);
1795	else
1796	{
1797	/* 1. The private architecture directory. */
1798	char szPath[4*_1K];
1799	rc = RTPathAppPrivateArch(szPath, sizeof(szPath));
1800	if (RT_SUCCESS(rc))
1801	rc = RTPathTraverseList(szPath, '\0', dbgcPlugInLoadCallback, (void *)pszPlugIn, pPlugIn);
1802	if (RT_FAILURE(rc))
1803	{
1804	/* 2. The DBGC PLUGIN_PATH variable. */
1805	DBGCVAR PathVar;
1806	int rc2 = DBGCCmdHlpEval(pCmdHlp, &PathVar, "$PLUGIN_PATH");
1807	if ( RT_SUCCESS(rc2)
1808	&& PathVar.enmType == DBGCVAR_TYPE_STRING)
1809	rc = RTPathTraverseList(PathVar.u.pszString, ';', dbgcPlugInLoadCallback, (void *)pszPlugIn, pPlugIn);
1810	if (RT_FAILURE_NP(rc))
1811	{
1812	/* 3. The DBGC_PLUGIN_PATH environment variable. */
1813	rc2 = RTEnvGetEx(RTENV_DEFAULT, "DBGC_PLUGIN_PATH", szPath, sizeof(szPath), NULL);
1814	if (RT_SUCCESS(rc2))
1815	rc = RTPathTraverseList(szPath, ';', dbgcPlugInLoadCallback, (void *)pszPlugIn, pPlugIn);
1816	}
1817	}
1818	}
1819	if (RT_FAILURE(rc))
1820	{
1821	RTMemFree(pPlugIn);
1822	return pCmd
1823	? DBGCCmdHlpFail(pCmdHlp, pCmd, "could not find/load '%s'\n", pszPlugIn)
1824	: rc;
1825	}
1826
1827	/*
1828	* Try initialize it.
1829	*/
1830	rc = pPlugIn->pfnEntry(DBGCPLUGINOP_INIT, pDbgc->pVM, VBOX_VERSION);
1831	if (RT_FAILURE(rc))
1832	{
1833	RTLdrClose(pPlugIn->hLdrMod);
1834	RTMemFree(pPlugIn);
1835	return pCmd
1836	? DBGCCmdHlpFail(pCmdHlp, pCmd, "initialization of plug-in '%s' failed with rc=%Rrc\n", pszPlugIn, rc)
1837	: rc;
1838	}
1839
1840	/*
1841	* Link it and we're good.
1842	*/
1843	pPlugIn->pNext = pDbgc->pPlugInHead;
1844	pDbgc->pPlugInHead = pPlugIn;
1845	DBGCCmdHlpPrintf(pCmdHlp, "Loaded plug-in '%s'.\n", pPlugIn->szName);
1846	return VINF_SUCCESS;
1847	}
1848
1849
1850
1851
1852	/**
1853	* Automatically load plug-ins from the architecture private directory of
1854	* VirtualBox.
1855	*
1856	* This is called during console init.
1857	*
1858	* @param pDbgc The DBGC instance data.
1859	*/
1860	void dbgcPlugInAutoLoad(PDBGC pDbgc)
1861	{
1862	/*
1863	* Open the architecture specific directory with a filter on our prefix
1864	* and names including a dot.
1865	*/
1866	const char *pszSuff = RTLdrGetSuff();
1867	size_t cchSuff = strlen(pszSuff);
1868
1869	char szPath[RTPATH_MAX];
1870	int rc = RTPathAppPrivateArch(szPath, sizeof(szPath) - cchSuff);
1871	AssertRCReturnVoid(rc);
1872	size_t offDir = strlen(szPath);
1873
1874	rc = RTPathAppend(szPath, sizeof(szPath) - cchSuff, DBGC_PLUG_IN_PREFIX "*");
1875	AssertRCReturnVoid(rc);
1876	strcat(szPath, pszSuff);
1877
1878	PRTDIR pDir;
1879	rc = RTDirOpenFiltered(&pDir, szPath, RTDIRFILTER_WINNT);
1880	if (RT_SUCCESS(rc))
1881	{
1882	/*
1883	* Now read it and try load each of the plug-in modules.
1884	*/
1885	RTDIRENTRY DirEntry;
1886	while (RT_SUCCESS(RTDirRead(pDir, &DirEntry, NULL)))
1887	{
1888	szPath[offDir] = '\0';
1889	rc = RTPathAppend(szPath, sizeof(szPath), DirEntry.szName);
1890	if (RT_SUCCESS(rc))
1891	{
1892	char szName[DBGCPLUGIN_MAX_NAME];
1893	rc = dbgcPlugInExtractName(szName, DirEntry.szName);
1894	if (RT_SUCCESS(rc))
1895	dbgcPlugInLoad(pDbgc, szName, szPath, NULL /pCmd/);
1896	}
1897	}
1898
1899	RTDirClose(pDir);
1900	}
1901	}
1902
1903
1904	/**
1905	* The 'loadplugin' command.
1906	*
1907	* @returns VBox status.
1908	* @param pCmd Pointer to the command descriptor (as registered).
1909	* @param pCmdHlp Pointer to command helper functions.
1910	* @param pVM Pointer to the current VM (if any).
1911	* @param paArgs Pointer to (readonly) array of arguments.
1912	* @param cArgs Number of arguments in the array.
1913	*/
1914	static DECLCALLBACK(int) dbgcCmdLoadPlugIn(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1915	{
1916	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1917
1918	/*
1919	* Loop thru the plugin names.
1920	*/
1921	for (unsigned i = 0; i < cArgs; i++)
1922	{
1923	const char *pszPlugIn = paArgs[i].u.pszString;
1924
1925	/* Extract the plug-in name. */
1926	char szName[DBGCPLUGIN_MAX_NAME];
1927	int rc = dbgcPlugInExtractName(szName, pszPlugIn);
1928	if (RT_FAILURE(rc))
1929	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Malformed plug-in name: '%s'\n", pszPlugIn);
1930
1931	/* Loaded? */
1932	PDBGCPLUGIN pPlugIn = dbgcPlugInLocate(pDbgc, szName, NULL);
1933	if (pPlugIn)
1934	return DBGCCmdHlpFail(pCmdHlp, pCmd, "'%s' is already loaded\n", szName);
1935
1936	/* Load it. */
1937	rc = dbgcPlugInLoad(pDbgc, szName, pszPlugIn, pCmd);
1938	if (RT_FAILURE(rc))
1939	return rc;
1940	}
1941
1942	return VINF_SUCCESS;
1943	}
1944
1945
1946	/**
1947	* Unload all plug-ins.
1948	*
1949	* @param pDbgc The DBGC instance data.
1950	*/
1951	void dbgcPlugInUnloadAll(PDBGC pDbgc)
1952	{
1953	while (pDbgc->pPlugInHead)
1954	{
1955	PDBGCPLUGIN pPlugIn = pDbgc->pPlugInHead;
1956	pDbgc->pPlugInHead = pPlugIn->pNext;
1957
1958	if ( pDbgc->pVM /* prevents trouble during destruction. */
1959	&& pDbgc->pVM->enmVMState < VMSTATE_DESTROYING)
1960	{
1961	pPlugIn->pfnEntry(DBGCPLUGINOP_TERM, pDbgc->pVM, 0);
1962	RTLdrClose(pPlugIn->hLdrMod);
1963	}
1964	pPlugIn->hLdrMod = NIL_RTLDRMOD;
1965
1966	RTMemFree(pPlugIn);
1967	}
1968	}
1969
1970
1971	/**
1972	* The 'unload' command.
1973	*
1974	* @returns VBox status.
1975	* @param pCmd Pointer to the command descriptor (as registered).
1976	* @param pCmdHlp Pointer to command helper functions.
1977	* @param pVM Pointer to the current VM (if any).
1978	* @param paArgs Pointer to (readonly) array of arguments.
1979	* @param cArgs Number of arguments in the array.
1980	*/
1981	static DECLCALLBACK(int) dbgcCmdUnloadPlugIn(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1982	{
1983	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1984
1985	/*
1986	* Loop thru the plugin names.
1987	*/
1988	for (unsigned i = 0; i < cArgs; i++)
1989	{
1990	const char *pszPlugIn = paArgs[i].u.pszString;
1991
1992	/* Extract the plug-in name. */
1993	char szName[DBGCPLUGIN_MAX_NAME];
1994	int rc = dbgcPlugInExtractName(szName, pszPlugIn);
1995	if (RT_FAILURE(rc))
1996	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Malformed plug-in name: '%s'\n", pszPlugIn);
1997
1998	/* Loaded? */
1999	PDBGCPLUGIN pPrevPlugIn;
2000	PDBGCPLUGIN pPlugIn = dbgcPlugInLocate(pDbgc, szName, &pPrevPlugIn);
2001	if (!pPlugIn)
2002	return DBGCCmdHlpFail(pCmdHlp, pCmd, "'%s' is not\n", szName);
2003
2004	/*
2005	* Terminate and unload it.
2006	*/
2007	pPlugIn->pfnEntry(DBGCPLUGINOP_TERM, pDbgc->pVM, 0);
2008	RTLdrClose(pPlugIn->hLdrMod);
2009	pPlugIn->hLdrMod = NIL_RTLDRMOD;
2010
2011	if (pPrevPlugIn)
2012	pPrevPlugIn->pNext = pPlugIn->pNext;
2013	else
2014	pDbgc->pPlugInHead = pPlugIn->pNext;
2015	RTMemFree(pPlugIn->pNext);
2016	DBGCCmdHlpPrintf(pCmdHlp, "Unloaded plug-in '%s'\n", szName);
2017	}
2018
2019	return VINF_SUCCESS;
2020	}
2021
2022
2023	/**
2024	* The 'showplugins' command.
2025	*
2026	* @returns VBox status.
2027	* @param pCmd Pointer to the command descriptor (as registered).
2028	* @param pCmdHlp Pointer to command helper functions.
2029	* @param pVM Pointer to the current VM (if any).
2030	* @param paArgs Pointer to (readonly) array of arguments.
2031	* @param cArgs Number of arguments in the array.
2032	*/
2033	static DECLCALLBACK(int) dbgcCmdShowPlugIns(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
2034	{
2035	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
2036	PDBGCPLUGIN pPlugIn = pDbgc->pPlugInHead;
2037	if (!pPlugIn)
2038	return DBGCCmdHlpPrintf(pCmdHlp, "No plug-ins loaded\n");
2039
2040	DBGCCmdHlpPrintf(pCmdHlp, "Plug-ins: %s", pPlugIn->szName);
2041	for (;;)
2042	{
2043	pPlugIn = pPlugIn->pNext;
2044	if (!pPlugIn)
2045	break;
2046	DBGCCmdHlpPrintf(pCmdHlp, ", %s", pPlugIn->szName);
2047	}
2048	return DBGCCmdHlpPrintf(pCmdHlp, "\n");
2049	}
2050
2051
2052
2053	/**
2054	* The 'harakiri' command.
2055	*
2056	* @returns VBox status.
2057	* @param pCmd Pointer to the command descriptor (as registered).
2058	* @param pCmdHlp Pointer to command helper functions.
2059	* @param pVM Pointer to the current VM (if any).
2060	* @param paArgs Pointer to (readonly) array of arguments.
2061	* @param cArgs Number of arguments in the array.
2062	*/
2063	static DECLCALLBACK(int) dbgcCmdHarakiri(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
2064	{
2065	Log(("dbgcCmdHarakiri\n"));
2066	for (;;)
2067	exit(126);
2068	NOREF(pCmd); NOREF(pCmdHlp); NOREF(pVM); NOREF(paArgs); NOREF(cArgs); NOREF(pResult);
2069	}
2070
2071
2072	/**
2073	* The 'writecore' command.
2074	*
2075	* @returns VBox status.
2076	* @param pCmd Pointer to the command descriptor (as registered).
2077	* @param pCmdHlp Pointer to command helper functions.
2078	* @param pVM Pointer to the current VM (if any).
2079	* @param paArgs Pointer to (readonly) array of arguments.
2080	* @param cArgs Number of arguments in the array.
2081	*/
2082	static DECLCALLBACK(int) dbgcCmdWriteCore(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
2083	{
2084	Log(("dbgcCmdWriteCore\n"));
2085
2086	/*
2087	* Validate input, lots of paranoia here.
2088	*/
2089	if ( cArgs != 1
2090	\|\| paArgs[0].enmType != DBGCVAR_TYPE_STRING)
2091	{
2092	AssertMsgFailed(("Expected one string exactly!\n"));
2093	return VERR_PARSE_INCORRECT_ARG_TYPE;
2094	}
2095
2096	const char *pszDumpPath = paArgs[0].u.pszString;
2097	if (!pszDumpPath)
2098	return DBGCCmdHlpFail(pCmdHlp, pCmd, "Missing file path.\n");
2099
2100	int rc = DBGFR3CoreWrite(pVM, pszDumpPath, true /fReplaceFile/);
2101	if (RT_FAILURE(rc))
2102	return DBGCCmdHlpFail(pCmdHlp, pCmd, "DBGFR3WriteCore failed. rc=%Rrc\n", rc);
2103
2104	return VINF_SUCCESS;
2105	}
2106

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source: vbox/trunk/src/VBox/Debugger/DBGCCommands.cpp@ 35650

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