DBGCCommands.cpp@ 6484

Last change on this file since 6484 was 6000, checked in by vboxsync, 17 years ago
The Giant CDDL Dual-License Header Change, fixes.
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1	/** $Id: DBGCCommands.cpp 6000 2007-12-07 15:12:49Z vboxsync $ */
2	/** @file
3	* DBGC - Debugger Console, Native Commands.
4	*/
5
6	/*
7	* Copyright (C) 2006-2007 innotek GmbH
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/dbgf.h>
24	#include <VBox/vm.h>
25	#include <VBox/vmm.h>
26	#include <VBox/mm.h>
27	#include <VBox/pgm.h>
28	#include <VBox/selm.h>
29	#include <VBox/dis.h>
30	#include <VBox/param.h>
31	#include <VBox/err.h>
32	#include <VBox/log.h>
33
34	#include <iprt/alloc.h>
35	#include <iprt/alloca.h>
36	#include <iprt/string.h>
37	#include <iprt/assert.h>
38	#include <iprt/ctype.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) dbgcCmdInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
53	static DECLCALLBACK(int) dbgcCmdLog(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
54	static DECLCALLBACK(int) dbgcCmdLogDest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
55	static DECLCALLBACK(int) dbgcCmdLogFlags(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
56	static DECLCALLBACK(int) dbgcCmdFormat(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
57	static DECLCALLBACK(int) dbgcCmdLoadSyms(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
58	static DECLCALLBACK(int) dbgcCmdSet(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
59	static DECLCALLBACK(int) dbgcCmdUnset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
60	static DECLCALLBACK(int) dbgcCmdLoadVars(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
61	static DECLCALLBACK(int) dbgcCmdShowVars(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
62	static DECLCALLBACK(int) dbgcCmdHarakiri(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
63	static DECLCALLBACK(int) dbgcCmdEcho(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
64	static DECLCALLBACK(int) dbgcCmdRunScript(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult);
65
66
67	/*******************************************************************************
68	* Global Variables *
69	*******************************************************************************/
70	/** One argument of any kind. */
71	static const DBGCVARDESC g_aArgAny[] =
72	{
73	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
74	{ 0, 1, DBGCVAR_CAT_ANY, 0, "var", "Any type of argument." },
75	};
76
77	/** Multiple string arguments (min 1). */
78	static const DBGCVARDESC g_aArgMultiStr[] =
79	{
80	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
81	{ 1, ~0, DBGCVAR_CAT_STRING, 0, "strings", "One or more strings." },
82	};
83
84	/** Filename string. */
85	static const DBGCVARDESC g_aArgFilename[] =
86	{
87	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
88	{ 1, 1, DBGCVAR_CAT_STRING, 0, "path", "Filename string." },
89	};
90
91
92	/** 'help' arguments. */
93	static const DBGCVARDESC g_aArgHelp[] =
94	{
95	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
96	{ 0, ~0, DBGCVAR_CAT_STRING, 0, "cmd/op", "Zero or more command or operator names." },
97	};
98
99
100	/** 'info' arguments. */
101	static const DBGCVARDESC g_aArgInfo[] =
102	{
103	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
104	{ 1, 1, DBGCVAR_CAT_STRING, 0, "info", "The name of the info to display." },
105	{ 0, 1, DBGCVAR_CAT_STRING, 0, "args", "String arguments to the handler." },
106	};
107
108
109	/** loadsyms arguments. */
110	static const DBGCVARDESC g_aArgLoadSyms[] =
111	{
112	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
113	{ 1, 1, DBGCVAR_CAT_STRING, 0, "path", "Filename string." },
114	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "delta", "Delta to add to the loaded symbols. (optional)" },
115	{ 0, 1, DBGCVAR_CAT_STRING, 0, "module name", "Module name." },
116	{ 0, 1, DBGCVAR_CAT_POINTER, DBGCVD_FLAGS_DEP_PREV, "module address", "Module address." },
117	{ 0, 1, DBGCVAR_CAT_NUMBER, 0, "module size", "The module size. (optional)" },
118	};
119
120
121	/** log arguments. */
122	static const DBGCVARDESC g_aArgLog[] =
123	{
124	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
125	{ 1, 1, DBGCVAR_CAT_STRING, 0, "groups", "Group modifier string (quote it!)." }
126	};
127
128
129	/** logdest arguments. */
130	static const DBGCVARDESC g_aArgLogDest[] =
131	{
132	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
133	{ 1, 1, DBGCVAR_CAT_STRING, 0, "dests", "Destination modifier string (quote it!)." }
134	};
135
136
137	/** logflags arguments. */
138	static const DBGCVARDESC g_aArgLogFlags[] =
139	{
140	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
141	{ 1, 1, DBGCVAR_CAT_STRING, 0, "flags", "Flag modifier string (quote it!)." }
142	};
143
144
145	/** 'set' arguments */
146	static const DBGCVARDESC g_aArgSet[] =
147	{
148	/* cTimesMin, cTimesMax, enmCategory, fFlags, pszName, pszDescription */
149	{ 1, 1, DBGCVAR_CAT_STRING, 0, "var", "Variable name." },
150	{ 1, 1, DBGCVAR_CAT_ANY, 0, "value", "Value to assign to the variable." },
151	};
152
153
154
155
156
157	/** Command descriptors for the basic commands. */
158	const DBGCCMD g_aCmds[] =
159	{
160	/* pszCmd, cArgsMin, cArgsMax, paArgDescs, cArgDescs, pResultDesc, fFlags, pfnHandler pszSyntax, ....pszDescription */
161	{ "bye", 0, 0, NULL, 0, NULL, 0, dbgcCmdQuit, "", "Exits the debugger." },
162	{ "echo", 1, ~0, &g_aArgMultiStr[0], 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." },
163	{ "exit", 0, 0, NULL, 0, NULL, 0, dbgcCmdQuit, "", "Exits the debugger." },
164	{ "format", 1, 1, &g_aArgAny[0], ELEMENTS(g_aArgAny), NULL, 0, dbgcCmdFormat, "", "Evaluates an expression and formats it." },
165	{ "harakiri", 0, 0, NULL, 0, NULL, 0, dbgcCmdHarakiri, "", "Kills debugger process." },
166	{ "help", 0, ~0, &g_aArgHelp[0], ELEMENTS(g_aArgHelp), NULL, 0, dbgcCmdHelp, "[cmd/op [..]]", "Display help. For help about info items try 'info help'." },
167	{ "info", 1, 2, &g_aArgInfo[0], ELEMENTS(g_aArgInfo), NULL, 0, dbgcCmdInfo, "<info> [args]", "Display info register in the DBGF. For a list of info items try 'info help'." },
168	{ "loadsyms", 1, 5, &g_aArgLoadSyms[0], ELEMENTS(g_aArgLoadSyms), NULL, 0, dbgcCmdLoadSyms, "<filename> [delta] [module] [module address]", "Loads symbols from a text file. Optionally giving a delta and a module." },
169	{ "loadvars", 1, 1, &g_aArgFilename[0], ELEMENTS(g_aArgFilename), NULL, 0, dbgcCmdLoadVars, "<filename>", "Load variables from file. One per line, same as the args to the set command." },
170	{ "log", 1, 1, &g_aArgLog[0], ELEMENTS(g_aArgLog), NULL, 0, dbgcCmdLog, "<group string>", "Modifies the logging group settings (VBOX_LOG)" },
171	{ "logdest", 1, 1, &g_aArgLogDest[0], ELEMENTS(g_aArgLogDest), NULL, 0, dbgcCmdLogDest, "<dest string>", "Modifies the logging destination (VBOX_LOG_DEST)." },
172	{ "logflags", 1, 1, &g_aArgLogFlags[0], ELEMENTS(g_aArgLogFlags), NULL, 0, dbgcCmdLogFlags, "<flags string>", "Modifies the logging flags (VBOX_LOG_FLAGS)." },
173	{ "quit", 0, 0, NULL, 0, NULL, 0, dbgcCmdQuit, "", "Exits the debugger." },
174	{ "runscript", 1, 1, &g_aArgFilename[0], ELEMENTS(g_aArgFilename), NULL, 0, dbgcCmdRunScript, "<filename>", "Runs the command listed in the script. Lines starting with '#' (after removing blanks) are comment. blank lines are ignored. Stops on failure." },
175	{ "set", 2, 2, &g_aArgSet[0], ELEMENTS(g_aArgSet), NULL, 0, dbgcCmdSet, "<var> <value>", "Sets a global variable." },
176	{ "showvars", 0, 0, NULL, 0, NULL, 0, dbgcCmdShowVars, "", "List all the defined variables." },
177	{ "stop", 0, 0, NULL, 0, NULL, 0, dbgcCmdStop, "", "Stop execution." },
178	{ "unset", 1, ~0, &g_aArgMultiStr[0], ELEMENTS(g_aArgMultiStr), NULL, 0, dbgcCmdUnset, "<var1> [var1..[varN]]", "Unsets (delete) one or more global variables." },
179	};
180
181	/** The number of native commands. */
182	const unsigned g_cCmds = RT_ELEMENTS(g_aCmds);
183
184
185	/**
186	* Pointer to head of the list of external commands.
187	*/
188	static PDBGCEXTCMDS g_pExtCmdsHead; /** @todo rw protect g_pExtCmdsHead! */
189	/** Locks the g_pExtCmdsHead list for reading. */
190	#define DBGCEXTCMDS_LOCK_RD() do { } while (0)
191	/** Locks the g_pExtCmdsHead list for writing. */
192	#define DBGCEXTCMDS_LOCK_WR() do { } while (0)
193	/** UnLocks the g_pExtCmdsHead list after reading. */
194	#define DBGCEXTCMDS_UNLOCK_RD() do { } while (0)
195	/** UnLocks the g_pExtCmdsHead list after writing. */
196	#define DBGCEXTCMDS_UNLOCK_WR() do { } while (0)
197
198
199
200
201	/**
202	* Finds a routine.
203	*
204	* @returns Pointer to the command descriptor.
205	* If the request was for an external command, the caller is responsible for
206	* unlocking the external command list.
207	* @returns NULL if not found.
208	* @param pDbgc The debug console instance.
209	* @param pachName Pointer to the routine string (not terminated).
210	* @param cchName Length of the routine name.
211	* @param fExternal Whether or not the routine is external.
212	*/
213	PCDBGCCMD dbgcRoutineLookup(PDBGC pDbgc, const char *pachName, size_t cchName, bool fExternal)
214	{
215	if (!fExternal)
216	{
217	/* emulation first, so commands can be overloaded (info ++). */
218	PCDBGCCMD pCmd = pDbgc->paEmulationCmds;
219	unsigned cLeft = pDbgc->cEmulationCmds;
220	while (cLeft-- > 0)
221	{
222	if ( !strncmp(pachName, pCmd->pszCmd, cchName)
223	&& !pCmd->pszCmd[cchName])
224	return pCmd;
225	pCmd++;
226	}
227
228	for (unsigned iCmd = 0; iCmd < ELEMENTS(g_aCmds); iCmd++)
229	{
230	if ( !strncmp(pachName, g_aCmds[iCmd].pszCmd, cchName)
231	&& !g_aCmds[iCmd].pszCmd[cchName])
232	return &g_aCmds[iCmd];
233	}
234	}
235	else
236	{
237	DBGCEXTCMDS_LOCK_RD();
238	for (PDBGCEXTCMDS pExtCmds = g_pExtCmdsHead; pExtCmds; pExtCmds = pExtCmds->pNext)
239	{
240	for (unsigned iCmd = 0; iCmd < pExtCmds->cCmds; iCmd++)
241	{
242	if ( !strncmp(pachName, pExtCmds->paCmds[iCmd].pszCmd, cchName)
243	&& !pExtCmds->paCmds[iCmd].pszCmd[cchName])
244	return &pExtCmds->paCmds[iCmd];
245	}
246	}
247	DBGCEXTCMDS_UNLOCK_RD();
248	}
249
250	NOREF(pDbgc);
251	return NULL;
252	}
253
254
255	/**
256	* Register one or more external commands.
257	*
258	* @returns VBox status.
259	* @param paCommands Pointer to an array of command descriptors.
260	* The commands must be unique. It's not possible
261	* to register the same commands more than once.
262	* @param cCommands Number of commands.
263	*/
264	DBGDECL(int) DBGCRegisterCommands(PCDBGCCMD paCommands, unsigned cCommands)
265	{
266	/*
267	* Lock the list.
268	*/
269	DBGCEXTCMDS_LOCK_WR();
270	PDBGCEXTCMDS pCur = g_pExtCmdsHead;
271	while (pCur)
272	{
273	if (paCommands == pCur->paCmds)
274	{
275	DBGCEXTCMDS_UNLOCK_WR();
276	AssertMsgFailed(("Attempt at re-registering %d command(s)!\n", cCommands));
277	return VWRN_DBGC_ALREADY_REGISTERED;
278	}
279	pCur = pCur->pNext;
280	}
281
282	/*
283	* Allocate new chunk.
284	*/
285	int rc = 0;
286	pCur = (PDBGCEXTCMDS)RTMemAlloc(sizeof(*pCur));
287	if (pCur)
288	{
289	pCur->cCmds = cCommands;
290	pCur->paCmds = paCommands;
291	pCur->pNext = g_pExtCmdsHead;
292	g_pExtCmdsHead = pCur;
293	}
294	else
295	rc = VERR_NO_MEMORY;
296	DBGCEXTCMDS_UNLOCK_WR();
297
298	return rc;
299	}
300
301
302	/**
303	* Deregister one or more external commands previously registered by
304	* DBGCRegisterCommands().
305	*
306	* @returns VBox status.
307	* @param paCommands Pointer to an array of command descriptors
308	* as given to DBGCRegisterCommands().
309	* @param cCommands Number of commands.
310	*/
311	DBGDECL(int) DBGCDeregisterCommands(PCDBGCCMD paCommands, unsigned cCommands)
312	{
313	/*
314	* Lock the list.
315	*/
316	DBGCEXTCMDS_LOCK_WR();
317	PDBGCEXTCMDS pPrev = NULL;
318	PDBGCEXTCMDS pCur = g_pExtCmdsHead;
319	while (pCur)
320	{
321	if (paCommands == pCur->paCmds)
322	{
323	if (pPrev)
324	pPrev->pNext = pCur->pNext;
325	else
326	g_pExtCmdsHead = pCur->pNext;
327	DBGCEXTCMDS_UNLOCK_WR();
328
329	RTMemFree(pCur);
330	return VINF_SUCCESS;
331	}
332	pPrev = pCur;
333	pCur = pCur->pNext;
334	}
335	DBGCEXTCMDS_UNLOCK_WR();
336
337	NOREF(cCommands);
338	return VERR_DBGC_COMMANDS_NOT_REGISTERED;
339	}
340
341
342
343
344	/**
345	* Prints full command help.
346	*/
347	static int dbgcPrintHelp(PDBGCCMDHLP pCmdHlp, PCDBGCCMD pCmd, bool fExternal)
348	{
349	int rc;
350
351	/* the command */
352	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
353	"%s%-*s %-30s %s",
354	fExternal ? "." : "",
355	fExternal ? 10 : 11,
356	pCmd->pszCmd,
357	pCmd->pszSyntax,
358	pCmd->pszDescription);
359	if (!pCmd->cArgsMin && pCmd->cArgsMin == pCmd->cArgsMax)
360	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <no args>\n");
361	else if (pCmd->cArgsMin == pCmd->cArgsMax)
362	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <%u args>\n", pCmd->cArgsMin);
363	else if (pCmd->cArgsMax == ~0U)
364	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <%u+ args>\n", pCmd->cArgsMin);
365	else
366	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <%u to %u args>\n", pCmd->cArgsMin, pCmd->cArgsMax);
367
368	/* argument descriptions. */
369	for (unsigned i = 0; i < pCmd->cArgDescs; i++)
370	{
371	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
372	" %-12s %s",
373	pCmd->paArgDescs[i].pszName,
374	pCmd->paArgDescs[i].pszDescription);
375	if (!pCmd->paArgDescs[i].cTimesMin)
376	{
377	if (pCmd->paArgDescs[i].cTimesMax == ~0U)
378	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <optional+>\n");
379	else
380	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <optional-%u>\n", pCmd->paArgDescs[i].cTimesMax);
381	}
382	else
383	{
384	if (pCmd->paArgDescs[i].cTimesMax == ~0U)
385	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <%u+>\n", pCmd->paArgDescs[i].cTimesMin);
386	else
387	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, " <%u-%u>\n", pCmd->paArgDescs[i].cTimesMin, pCmd->paArgDescs[i].cTimesMax);
388	}
389	}
390	return rc;
391	}
392
393
394	/**
395	* The 'help' command.
396	*
397	* @returns VBox status.
398	* @param pCmd Pointer to the command descriptor (as registered).
399	* @param pCmdHlp Pointer to command helper functions.
400	* @param pVM Pointer to the current VM (if any).
401	* @param paArgs Pointer to (readonly) array of arguments.
402	* @param cArgs Number of arguments in the array.
403	*/
404	static DECLCALLBACK(int) dbgcCmdHelp(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
405	{
406	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
407	int rc = VINF_SUCCESS;
408	unsigned i;
409
410	if (!cArgs)
411	{
412	/*
413	* All the stuff.
414	*/
415	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
416	"VirtualBox Debugger\n"
417	"-------------------\n"
418	"\n"
419	"Commands and Functions:\n");
420	for (i = 0; i < ELEMENTS(g_aCmds); i++)
421	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
422	"%-11s %-30s %s\n",
423	g_aCmds[i].pszCmd,
424	g_aCmds[i].pszSyntax,
425	g_aCmds[i].pszDescription);
426	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
427	"\n"
428	"Emulation: %s\n", pDbgc->pszEmulation);
429	PCDBGCCMD pCmd = pDbgc->paEmulationCmds;
430	for (i = 0; i < pDbgc->cEmulationCmds; i++, pCmd++)
431	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
432	"%-11s %-30s %s\n",
433	pCmd->pszCmd,
434	pCmd->pszSyntax,
435	pCmd->pszDescription);
436
437	if (g_pExtCmdsHead)
438	{
439	DBGCEXTCMDS_LOCK_RD();
440	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
441	"\n"
442	"External Commands and Functions:\n");
443	for (PDBGCEXTCMDS pExtCmd = g_pExtCmdsHead; pExtCmd; pExtCmd = pExtCmd->pNext)
444	for (i = 0; i < pExtCmd->cCmds; i++)
445	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
446	".%-10s %-30s %s\n",
447	pExtCmd->paCmds[i].pszCmd,
448	pExtCmd->paCmds[i].pszSyntax,
449	pExtCmd->paCmds[i].pszDescription);
450	DBGCEXTCMDS_UNLOCK_RD();
451	}
452
453	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
454	"\n"
455	"Operators:\n");
456	unsigned iPrecedence = 0;
457	unsigned cLeft = g_cOps;
458	while (cLeft > 0)
459	{
460	for (i = 0; i < g_cOps; i++)
461	if (g_aOps[i].iPrecedence == iPrecedence)
462	{
463	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
464	"%-10s %s %s\n",
465	g_aOps[i].szName,
466	g_aOps[i].fBinary ? "Binary" : "Unary ",
467	g_aOps[i].pszDescription);
468	cLeft--;
469	}
470	iPrecedence++;
471	}
472	}
473	else
474	{
475	/*
476	* Search for the arguments (strings).
477	*/
478	for (unsigned iArg = 0; iArg < cArgs; iArg++)
479	{
480	Assert(paArgs[iArg].enmType == DBGCVAR_TYPE_STRING);
481	bool fFound = false;
482
483	/* lookup in the emulation command list first */
484	for (i = 0; i < pDbgc->cEmulationCmds; i++)
485	if (!strcmp(pDbgc->paEmulationCmds[i].pszCmd, paArgs[iArg].u.pszString))
486	{
487	rc = dbgcPrintHelp(pCmdHlp, &pDbgc->paEmulationCmds[i], false);
488	fFound = true;
489	break;
490	}
491
492	/* lookup in the command list (even when found in the emulation) */
493	for (i = 0; i < ELEMENTS(g_aCmds); i++)
494	if (!strcmp(g_aCmds[i].pszCmd, paArgs[iArg].u.pszString))
495	{
496	rc = dbgcPrintHelp(pCmdHlp, &g_aCmds[i], false);
497	fFound = true;
498	break;
499	}
500
501	/* external commands */
502	if ( !fFound
503	&& g_pExtCmdsHead
504	&& paArgs[iArg].u.pszString[0] == '.')
505	{
506	DBGCEXTCMDS_LOCK_RD();
507	for (PDBGCEXTCMDS pExtCmd = g_pExtCmdsHead; pExtCmd; pExtCmd = pExtCmd->pNext)
508	for (i = 0; i < pExtCmd->cCmds; i++)
509	if (!strcmp(pExtCmd->paCmds[i].pszCmd, paArgs[iArg].u.pszString + 1))
510	{
511	rc = dbgcPrintHelp(pCmdHlp, &g_aCmds[i], true);
512	fFound = true;
513	break;
514	}
515	DBGCEXTCMDS_UNLOCK_RD();
516	}
517
518	/* operators */
519	if (!fFound && strlen(paArgs[iArg].u.pszString) < sizeof(g_aOps[i].szName))
520	{
521	for (i = 0; i < g_cOps; i++)
522	if (!strcmp(g_aOps[i].szName, paArgs[iArg].u.pszString))
523	{
524	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
525	"%-10s %s %s\n",
526	g_aOps[i].szName,
527	g_aOps[i].fBinary ? "Binary" : "Unary ",
528	g_aOps[i].pszDescription);
529	fFound = true;
530	break;
531	}
532	}
533
534	/* found? */
535	if (!fFound)
536	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
537	"error: '%s' was not found!\n",
538	paArgs[iArg].u.pszString);
539	} /* foreach argument */
540	}
541
542	NOREF(pCmd);
543	NOREF(pVM);
544	NOREF(pResult);
545	return rc;
546	}
547
548
549	/**
550	* The 'quit', 'exit' and 'bye' commands.
551	*
552	* @returns VBox status.
553	* @param pCmd Pointer to the command descriptor (as registered).
554	* @param pCmdHlp Pointer to command helper functions.
555	* @param pVM Pointer to the current VM (if any).
556	* @param paArgs Pointer to (readonly) array of arguments.
557	* @param cArgs Number of arguments in the array.
558	*/
559	static DECLCALLBACK(int) dbgcCmdQuit(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
560	{
561	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Quitting console...\n");
562	NOREF(pCmd);
563	NOREF(pVM);
564	NOREF(paArgs);
565	NOREF(cArgs);
566	NOREF(pResult);
567	return VERR_DBGC_QUIT;
568	}
569
570
571	/**
572	* The 'stop' command.
573	*
574	* @returns VBox status.
575	* @param pCmd Pointer to the command descriptor (as registered).
576	* @param pCmdHlp Pointer to command helper functions.
577	* @param pVM Pointer to the current VM (if any).
578	* @param paArgs Pointer to (readonly) array of arguments.
579	* @param cArgs Number of arguments in the array.
580	*/
581	static DECLCALLBACK(int) dbgcCmdStop(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
582	{
583	/*
584	* Check if the VM is halted or not before trying to halt it.
585	*/
586	int rc;
587	if (DBGFR3IsHalted(pVM))
588	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "warning: The VM is already halted...\n");
589	else
590	{
591	rc = DBGFR3Halt(pVM);
592	if (VBOX_SUCCESS(rc))
593	rc = VWRN_DBGC_CMD_PENDING;
594	else
595	rc = pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Executing DBGFR3Halt().");
596	}
597
598	NOREF(pCmd); NOREF(paArgs); NOREF(cArgs); NOREF(pResult);
599	return rc;
600	}
601
602
603	/**
604	* The 'echo' command.
605	*
606	* @returns VBox status.
607	* @param pCmd Pointer to the command descriptor (as registered).
608	* @param pCmdHlp Pointer to command helper functions.
609	* @param pVM Pointer to the current VM (if any).
610	* @param paArgs Pointer to (readonly) array of arguments.
611	* @param cArgs Number of arguments in the array.
612	*/
613	static DECLCALLBACK(int) dbgcCmdEcho(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
614	{
615	/*
616	* Loop thru the arguments and print them with one space between.
617	*/
618	int rc = 0;
619	for (unsigned i = 0; i < cArgs; i++)
620	{
621	if (paArgs[i].enmType == DBGCVAR_TYPE_STRING)
622	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, i ? " %s" : "%s", paArgs[i].u.pszString);
623	else
624	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, i ? " <parser error>" : "<parser error>");
625	if (VBOX_FAILURE(rc))
626	return rc;
627	}
628	NOREF(pCmd); NOREF(pResult); NOREF(pVM);
629	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "\n");
630	}
631
632
633	/**
634	* The 'runscript' command.
635	*
636	* @returns VBox status.
637	* @param pCmd Pointer to the command descriptor (as registered).
638	* @param pCmdHlp Pointer to command helper functions.
639	* @param pVM Pointer to the current VM (if any).
640	* @param paArgs Pointer to (readonly) array of arguments.
641	* @param cArgs Number of arguments in the array.
642	*/
643	static DECLCALLBACK(int) dbgcCmdRunScript(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
644	{
645	/* check that the parser did what it's supposed to do. */
646	if ( cArgs != 1
647	\|\| paArgs[0].enmType != DBGCVAR_TYPE_STRING)
648	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "parser error\n");
649
650	/*
651	* Try open the script.
652	*/
653	const char *pszFilename = paArgs[0].u.pszString;
654	FILE *pFile = fopen(pszFilename, "r");
655	if (!pFile)
656	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Failed to open '%s'.\n", pszFilename);
657
658	/*
659	* Execute it line by line.
660	*/
661	int rc = 0;
662	unsigned iLine = 0;
663	char szLine[8192];
664	while (fgets(szLine, sizeof(szLine), pFile))
665	{
666	/* check that the line isn't too long. */
667	char *pszEnd = strchr(szLine, '\0');
668	if (pszEnd == &szLine[sizeof(szLine) - 1])
669	{
670	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "runscript error: Line #%u is too long\n", iLine);
671	break;
672	}
673	iLine++;
674
675	/* strip leading blanks and check for comment / blank line. */
676	char *psz = RTStrStripL(szLine);
677	if ( *psz == '\0'
678	\|\| *psz == '\n'
679	\|\| *psz == '#')
680	continue;
681
682	/* strip trailing blanks and check for empty line (\r case). */
683	while ( pszEnd > psz
684	&& isspace(pszEnd[-1])) /* isspace includes \n and \r normally. */
685	*--pszEnd = '\0';
686
687	/** @todo check for Control-C / Cancel at this point... */
688
689	/*
690	* Execute the command.
691	*
692	* This is a bit wasteful with scratch space btw., can fix it later.
693	* The whole return code crap should be fixed too, so that it's possible
694	* to know whether a command succeeded (VBOX_SUCCESS()) or failed, and
695	* more importantly why it failed.
696	*/
697	rc = pCmdHlp->pfnExec(pCmdHlp, "%s", psz);
698	if (VBOX_FAILURE(rc))
699	{
700	if (rc == VERR_BUFFER_OVERFLOW)
701	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "runscript error: Line #%u is too long (exec overflowed)\n", iLine);
702	break;
703	}
704	if (rc == VWRN_DBGC_CMD_PENDING)
705	{
706	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "runscript error: VWRN_DBGC_CMD_PENDING on line #%u, script terminated\n", iLine);
707	break;
708	}
709	}
710
711	fclose(pFile);
712
713	NOREF(pCmd); NOREF(pResult); NOREF(pVM);
714	return rc;
715	}
716
717
718	/**
719	* Print formatted string.
720	*
721	* @param pHlp Pointer to this structure.
722	* @param pszFormat The format string.
723	* @param ... Arguments.
724	*/
725	static DECLCALLBACK(void) dbgcCmdInfo_Printf(PCDBGFINFOHLP pHlp, const char *pszFormat, ...)
726	{
727	PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP )(pHlp + 1);
728	va_list args;
729	va_start(args, pszFormat);
730	pCmdHlp->pfnPrintfV(pCmdHlp, NULL, pszFormat, args);
731	va_end(args);
732	}
733
734
735	/**
736	* Print formatted string.
737	*
738	* @param pHlp Pointer to this structure.
739	* @param pszFormat The format string.
740	* @param args Argument list.
741	*/
742	static DECLCALLBACK(void) dbgcCmdInfo_PrintfV(PCDBGFINFOHLP pHlp, const char *pszFormat, va_list args)
743	{
744	PDBGCCMDHLP pCmdHlp = (PDBGCCMDHLP )(pHlp + 1);
745	pCmdHlp->pfnPrintfV(pCmdHlp, NULL, pszFormat, args);
746	}
747
748
749	/**
750	* The 'info' command.
751	*
752	* @returns VBox status.
753	* @param pCmd Pointer to the command descriptor (as registered).
754	* @param pCmdHlp Pointer to command helper functions.
755	* @param pVM Pointer to the current VM (if any).
756	* @param paArgs Pointer to (readonly) array of arguments.
757	* @param cArgs Number of arguments in the array.
758	*/
759	static DECLCALLBACK(int) dbgcCmdInfo(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
760	{
761	/*
762	* Validate input.
763	*/
764	if ( cArgs < 1
765	\|\| cArgs > 2
766	\|\| paArgs[0].enmType != DBGCVAR_TYPE_STRING
767	\|\| paArgs[cArgs - 1].enmType != DBGCVAR_TYPE_STRING)
768	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "internal error: The parser doesn't do its job properly yet.. quote the string.\n");
769	if (!pVM)
770	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "error: No VM.\n");
771
772	/*
773	* Dump it.
774	*/
775	struct
776	{
777	DBGFINFOHLP Hlp;
778	PDBGCCMDHLP pCmdHlp;
779	} Hlp = { { dbgcCmdInfo_Printf, dbgcCmdInfo_PrintfV }, pCmdHlp };
780	int rc = DBGFR3Info(pVM, paArgs[0].u.pszString, cArgs == 2 ? paArgs[1].u.pszString : NULL, &Hlp.Hlp);
781	if (VBOX_FAILURE(rc))
782	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3Info()\n");
783
784	NOREF(pCmd); NOREF(pResult);
785	return 0;
786	}
787
788
789	/**
790	* The 'log' command.
791	*
792	* @returns VBox status.
793	* @param pCmd Pointer to the command descriptor (as registered).
794	* @param pCmdHlp Pointer to command helper functions.
795	* @param pVM Pointer to the current VM (if any).
796	* @param paArgs Pointer to (readonly) array of arguments.
797	* @param cArgs Number of arguments in the array.
798	*/
799	static DECLCALLBACK(int) dbgcCmdLog(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
800	{
801	int rc = DBGFR3LogModifyGroups(pVM, paArgs[0].u.pszString);
802	if (VBOX_SUCCESS(rc))
803	return VINF_SUCCESS;
804	NOREF(pCmd); NOREF(cArgs); NOREF(pResult);
805	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3LogModifyGroups(%p,'%s')\n", pVM, paArgs[0].u.pszString);
806	}
807
808
809	/**
810	* The 'logdest' command.
811	*
812	* @returns VBox status.
813	* @param pCmd Pointer to the command descriptor (as registered).
814	* @param pCmdHlp Pointer to command helper functions.
815	* @param pVM Pointer to the current VM (if any).
816	* @param paArgs Pointer to (readonly) array of arguments.
817	* @param cArgs Number of arguments in the array.
818	*/
819	static DECLCALLBACK(int) dbgcCmdLogDest(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
820	{
821	int rc = DBGFR3LogModifyDestinations(pVM, paArgs[0].u.pszString);
822	if (VBOX_SUCCESS(rc))
823	return VINF_SUCCESS;
824	NOREF(pCmd); NOREF(cArgs); NOREF(pResult);
825	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3LogModifyDestinations(%p,'%s')\n", pVM, paArgs[0].u.pszString);
826	}
827
828
829	/**
830	* The 'logflags' command.
831	*
832	* @returns VBox status.
833	* @param pCmd Pointer to the command descriptor (as registered).
834	* @param pCmdHlp Pointer to command helper functions.
835	* @param pVM Pointer to the current VM (if any).
836	* @param paArgs Pointer to (readonly) array of arguments.
837	* @param cArgs Number of arguments in the array.
838	*/
839	static DECLCALLBACK(int) dbgcCmdLogFlags(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
840	{
841	int rc = DBGFR3LogModifyFlags(pVM, paArgs[0].u.pszString);
842	if (VBOX_SUCCESS(rc))
843	return VINF_SUCCESS;
844	NOREF(pCmd); NOREF(cArgs); NOREF(pResult);
845	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGFR3LogModifyFlags(%p,'%s')\n", pVM, paArgs[0].u.pszString);
846	}
847
848
849	/**
850	* The 'format' command.
851	*
852	* @returns VBox status.
853	* @param pCmd Pointer to the command descriptor (as registered).
854	* @param pCmdHlp Pointer to command helper functions.
855	* @param pVM Pointer to the current VM (if any).
856	* @param paArgs Pointer to (readonly) array of arguments.
857	* @param cArgs Number of arguments in the array.
858	*/
859	static DECLCALLBACK(int) dbgcCmdFormat(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
860	{
861	LogFlow(("dbgcCmdFormat\n"));
862	static const char *apszRangeDesc[] =
863	{
864	"none", "bytes", "elements"
865	};
866	int rc;
867
868	for (unsigned iArg = 0; iArg < cArgs; iArg++)
869	{
870	switch (paArgs[iArg].enmType)
871	{
872	case DBGCVAR_TYPE_UNKNOWN:
873	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
874	"Unknown variable type!\n");
875	break;
876	case DBGCVAR_TYPE_GC_FLAT:
877	if (paArgs[iArg].enmRangeType != DBGCVAR_RANGE_NONE)
878	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
879	"Guest flat address: %%%08x range %lld %s\n",
880	paArgs[iArg].u.GCFlat,
881	paArgs[iArg].u64Range,
882	apszRangeDesc[paArgs[iArg].enmRangeType]);
883	else
884	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
885	"Guest flat address: %%%08x\n",
886	paArgs[iArg].u.GCFlat);
887	break;
888	case DBGCVAR_TYPE_GC_FAR:
889	if (paArgs[iArg].enmRangeType != DBGCVAR_RANGE_NONE)
890	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
891	"Guest far address: %04x:%08x range %lld %s\n",
892	paArgs[iArg].u.GCFar.sel,
893	paArgs[iArg].u.GCFar.off,
894	paArgs[iArg].u64Range,
895	apszRangeDesc[paArgs[iArg].enmRangeType]);
896	else
897	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
898	"Guest far address: %04x:%08x\n",
899	paArgs[iArg].u.GCFar.sel,
900	paArgs[iArg].u.GCFar.off);
901	break;
902	case DBGCVAR_TYPE_GC_PHYS:
903	if (paArgs[iArg].enmRangeType != DBGCVAR_RANGE_NONE)
904	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
905	"Guest physical address: %%%%%08x range %lld %s\n",
906	paArgs[iArg].u.GCPhys,
907	paArgs[iArg].u64Range,
908	apszRangeDesc[paArgs[iArg].enmRangeType]);
909	else
910	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
911	"Guest physical address: %%%%%08x\n",
912	paArgs[iArg].u.GCPhys);
913	break;
914	case DBGCVAR_TYPE_HC_FLAT:
915	if (paArgs[iArg].enmRangeType != DBGCVAR_RANGE_NONE)
916	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
917	"Host flat address: %%%08x range %lld %s\n",
918	paArgs[iArg].u.pvHCFlat,
919	paArgs[iArg].u64Range,
920	apszRangeDesc[paArgs[iArg].enmRangeType]);
921	else
922	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
923	"Host flat address: %%%08x\n",
924	paArgs[iArg].u.pvHCFlat);
925	break;
926	case DBGCVAR_TYPE_HC_FAR:
927	if (paArgs[iArg].enmRangeType != DBGCVAR_RANGE_NONE)
928	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
929	"Host far address: %04x:%08x range %lld %s\n",
930	paArgs[iArg].u.HCFar.sel,
931	paArgs[iArg].u.HCFar.off,
932	paArgs[iArg].u64Range,
933	apszRangeDesc[paArgs[iArg].enmRangeType]);
934	else
935	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
936	"Host far address: %04x:%08x\n",
937	paArgs[iArg].u.HCFar.sel,
938	paArgs[iArg].u.HCFar.off);
939	break;
940	case DBGCVAR_TYPE_HC_PHYS:
941	if (paArgs[iArg].enmRangeType != DBGCVAR_RANGE_NONE)
942	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
943	"Host physical address: %VHp range %lld %s\n",
944	paArgs[iArg].u.HCPhys,
945	paArgs[iArg].u64Range,
946	apszRangeDesc[paArgs[iArg].enmRangeType]);
947	else
948	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
949	"Host physical address: %VHp\n",
950	paArgs[iArg].u.HCPhys);
951	break;
952
953	case DBGCVAR_TYPE_STRING:
954	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
955	"String, %lld bytes long: %s\n",
956	paArgs[iArg].u64Range,
957	paArgs[iArg].u.pszString);
958	break;
959
960	case DBGCVAR_TYPE_NUMBER:
961	if (paArgs[iArg].enmRangeType != DBGCVAR_RANGE_NONE)
962	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
963	"Number: hex %llx dec 0i%lld oct 0t%llo range %lld %s\n",
964	paArgs[iArg].u.u64Number,
965	paArgs[iArg].u.u64Number,
966	paArgs[iArg].u.u64Number,
967	paArgs[iArg].u64Range,
968	apszRangeDesc[paArgs[iArg].enmRangeType]);
969	else
970	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
971	"Number: hex %llx dec 0i%lld oct 0t%llo\n",
972	paArgs[iArg].u.u64Number,
973	paArgs[iArg].u.u64Number,
974	paArgs[iArg].u.u64Number);
975	break;
976
977	default:
978	rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL,
979	"Invalid argument type %d\n",
980	paArgs[iArg].enmType);
981	break;
982	}
983	} /* arg loop */
984
985	NOREF(pCmd); NOREF(pVM); NOREF(pResult);
986	return 0;
987	}
988
989
990	/**
991	* The 'loadsyms' command.
992	*
993	* @returns VBox status.
994	* @param pCmd Pointer to the command descriptor (as registered).
995	* @param pCmdHlp Pointer to command helper functions.
996	* @param pVM Pointer to the current VM (if any).
997	* @param paArgs Pointer to (readonly) array of arguments.
998	* @param cArgs Number of arguments in the array.
999	*/
1000	static DECLCALLBACK(int) dbgcCmdLoadSyms(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1001	{
1002	/*
1003	* Validate the parsing and make sense of the input.
1004	* This is a mess as usual because we don't trust the parser yet.
1005	*/
1006	if ( cArgs < 1
1007	\|\| paArgs[0].enmType != DBGCVAR_TYPE_STRING)
1008	{
1009	AssertMsgFailed(("Parse error, first argument required to be string!\n"));
1010	return VERR_PARSE_INCORRECT_ARG_TYPE;
1011	}
1012	DBGCVAR AddrVar;
1013	RTGCUINTPTR Delta = 0;
1014	const char *pszModule = NULL;
1015	RTGCUINTPTR ModuleAddress = 0;
1016	unsigned cbModule = 0;
1017	if (cArgs > 1)
1018	{
1019	unsigned iArg = 1;
1020	if (paArgs[iArg].enmType == DBGCVAR_TYPE_NUMBER)
1021	{
1022	Delta = (RTGCUINTPTR)paArgs[iArg].u.u64Number;
1023	iArg++;
1024	}
1025	if (iArg < cArgs)
1026	{
1027	if (paArgs[iArg].enmType != DBGCVAR_TYPE_STRING)
1028	{
1029	AssertMsgFailed(("Parse error, module argument required to be string!\n"));
1030	return VERR_PARSE_INCORRECT_ARG_TYPE;
1031	}
1032	pszModule = paArgs[iArg].u.pszString;
1033	iArg++;
1034	if (iArg < cArgs)
1035	{
1036	if (DBGCVAR_ISPOINTER(paArgs[iArg].enmType))
1037	{
1038	AssertMsgFailed(("Parse error, module argument required to be GC pointer!\n"));
1039	return VERR_PARSE_INCORRECT_ARG_TYPE;
1040	}
1041	int rc = pCmdHlp->pfnEval(pCmdHlp, &AddrVar, "%%(%Dv)", &paArgs[iArg]);
1042	if (VBOX_FAILURE(rc))
1043	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "Module address cast %%(%Dv) failed.", &paArgs[iArg]);
1044	ModuleAddress = paArgs[iArg].u.GCFlat;
1045	iArg++;
1046	if (iArg < cArgs)
1047	{
1048	if (paArgs[iArg].enmType != DBGCVAR_TYPE_NUMBER)
1049	{
1050	AssertMsgFailed(("Parse error, module argument required to be an interger!\n"));
1051	return VERR_PARSE_INCORRECT_ARG_TYPE;
1052	}
1053	cbModule = (unsigned)paArgs[iArg].u.u64Number;
1054	iArg++;
1055	if (iArg < cArgs)
1056	{
1057	AssertMsgFailed(("Parse error, too many arguments!\n"));
1058	return VERR_PARSE_TOO_MANY_ARGUMENTS;
1059	}
1060	}
1061	}
1062	}
1063	}
1064
1065	/*
1066	* Call the debug info manager about this loading...
1067	*/
1068	int rc = DBGFR3ModuleLoad(pVM, paArgs[0].u.pszString, Delta, pszModule, ModuleAddress, cbModule);
1069	if (VBOX_FAILURE(rc))
1070	return pCmdHlp->pfnVBoxError(pCmdHlp, rc, "DBGInfoSymbolLoad(, '%s', %VGv, '%s', %VGv, 0)\n",
1071	paArgs[0].u.pszString, Delta, pszModule, ModuleAddress);
1072
1073	NOREF(pCmd); NOREF(pResult);
1074	return VINF_SUCCESS;
1075	}
1076
1077
1078	/**
1079	* The 'set' command.
1080	*
1081	* @returns VBox status.
1082	* @param pCmd Pointer to the command descriptor (as registered).
1083	* @param pCmdHlp Pointer to command helper functions.
1084	* @param pVM Pointer to the current VM (if any).
1085	* @param paArgs Pointer to (readonly) array of arguments.
1086	* @param cArgs Number of arguments in the array.
1087	*/
1088	static DECLCALLBACK(int) dbgcCmdSet(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1089	{
1090	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1091
1092	/* parse sanity check. */
1093	AssertMsg(paArgs[0].enmType == DBGCVAR_TYPE_STRING, ("expected string not %d as first arg!\n", paArgs[0].enmType));
1094	if (paArgs[0].enmType != DBGCVAR_TYPE_STRING)
1095	return VERR_PARSE_INCORRECT_ARG_TYPE;
1096
1097
1098	/*
1099	* A variable must start with an alpha chars and only contain alpha numerical chars.
1100	*/
1101	const char *pszVar = paArgs[0].u.pszString;
1102	if (!isalpha(pszVar) \|\| pszVar == '_')
1103	return pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1104	"syntax error: Invalid variable name '%s'. Variable names must match regex '[_a-zA-Z][_a-zA-Z0-9*'!", paArgs[0].u.pszString);
1105
1106	while (isalnum(pszVar) \|\| pszVar == '_')
1107	*pszVar++;
1108	if (*pszVar)
1109	return pCmdHlp->pfnPrintf(pCmdHlp, NULL,
1110	"syntax error: Invalid variable name '%s'. Variable names must match regex '[_a-zA-Z][_a-zA-Z0-9*]'!", paArgs[0].u.pszString);
1111
1112
1113	/*
1114	* Calc variable size.
1115	*/
1116	size_t cbVar = (size_t)paArgs[0].u64Range + sizeof(DBGCNAMEDVAR);
1117	if (paArgs[1].enmType == DBGCVAR_TYPE_STRING)
1118	cbVar += 1 + (size_t)paArgs[1].u64Range;
1119
1120	/*
1121	* Look for existing one.
1122	*/
1123	pszVar = paArgs[0].u.pszString;
1124	for (unsigned iVar = 0; iVar < pDbgc->cVars; iVar++)
1125	{
1126	if (!strcmp(pszVar, pDbgc->papVars[iVar]->szName))
1127	{
1128	/*
1129	* Update existing variable.
1130	*/
1131	void *pv = RTMemRealloc(pDbgc->papVars[iVar], cbVar);
1132	if (!pv)
1133	return VERR_PARSE_NO_MEMORY;
1134	PDBGCNAMEDVAR pVar = pDbgc->papVars[iVar] = (PDBGCNAMEDVAR)pv;
1135
1136	pVar->Var = paArgs[1];
1137	memcpy(pVar->szName, paArgs[0].u.pszString, (size_t)paArgs[0].u64Range + 1);
1138	if (paArgs[1].enmType == DBGCVAR_TYPE_STRING)
1139	pVar->Var.u.pszString = (char *)memcpy(&pVar->szName[paArgs[0].u64Range + 1], paArgs[1].u.pszString, (size_t)paArgs[1].u64Range + 1);
1140	return 0;
1141	}
1142	}
1143
1144	/*
1145	* Allocate another.
1146	*/
1147	PDBGCNAMEDVAR pVar = (PDBGCNAMEDVAR)RTMemAlloc(cbVar);
1148
1149	pVar->Var = paArgs[1];
1150	memcpy(pVar->szName, pszVar, (size_t)paArgs[0].u64Range + 1);
1151	if (paArgs[1].enmType == DBGCVAR_TYPE_STRING)
1152	pVar->Var.u.pszString = (char *)memcpy(&pVar->szName[paArgs[0].u64Range + 1], paArgs[1].u.pszString, (size_t)paArgs[1].u64Range + 1);
1153
1154	/* need to reallocate the pointer array too? */
1155	if (!(pDbgc->cVars % 0x20))
1156	{
1157	void pv = RTMemRealloc(pDbgc->papVars, (pDbgc->cVars + 0x20) sizeof(pDbgc->papVars[0]));
1158	if (!pv)
1159	{
1160	RTMemFree(pVar);
1161	return VERR_PARSE_NO_MEMORY;
1162	}
1163	pDbgc->papVars = (PDBGCNAMEDVAR *)pv;
1164	}
1165	pDbgc->papVars[pDbgc->cVars++] = pVar;
1166
1167	NOREF(pCmd); NOREF(pVM); NOREF(cArgs); NOREF(pResult);
1168	return 0;
1169	}
1170
1171
1172	/**
1173	* The 'unset' command.
1174	*
1175	* @returns VBox status.
1176	* @param pCmd Pointer to the command descriptor (as registered).
1177	* @param pCmdHlp Pointer to command helper functions.
1178	* @param pVM Pointer to the current VM (if any).
1179	* @param paArgs Pointer to (readonly) array of arguments.
1180	* @param cArgs Number of arguments in the array.
1181	*/
1182	static DECLCALLBACK(int) dbgcCmdUnset(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1183	{
1184	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1185
1186	/*
1187	* Don't trust the parser.
1188	*/
1189	for (unsigned i = 0; i < cArgs; i++)
1190	if (paArgs[i].enmType != DBGCVAR_TYPE_STRING)
1191	{
1192	AssertMsgFailed(("expected strings only. (arg=%d)!\n", i));
1193	return VERR_PARSE_INCORRECT_ARG_TYPE;
1194	}
1195
1196	/*
1197	* Iterate the variables and unset them.
1198	*/
1199	for (unsigned iArg = 0; iArg < cArgs; iArg++)
1200	{
1201	const char *pszVar = paArgs[iArg].u.pszString;
1202
1203	/*
1204	* Look up the variable.
1205	*/
1206	for (unsigned iVar = 0; iVar < pDbgc->cVars; iVar++)
1207	{
1208	if (!strcmp(pszVar, pDbgc->papVars[iVar]->szName))
1209	{
1210	/*
1211	* Shuffle the array removing this entry.
1212	*/
1213	void *pvFree = pDbgc->papVars[iVar];
1214	if (iVar + 1 < pDbgc->cVars)
1215	memmove(&pDbgc->papVars[iVar],
1216	&pDbgc->papVars[iVar + 1],
1217	(pDbgc->cVars - iVar - 1) * sizeof(pDbgc->papVars[0]));
1218	pDbgc->papVars[--pDbgc->cVars] = NULL;
1219
1220	RTMemFree(pvFree);
1221	}
1222	} /* lookup */
1223	} /* arg loop */
1224
1225	NOREF(pCmd); NOREF(pVM); NOREF(pResult);
1226	return 0;
1227	}
1228
1229
1230	/**
1231	* The 'loadvars' command.
1232	*
1233	* @returns VBox status.
1234	* @param pCmd Pointer to the command descriptor (as registered).
1235	* @param pCmdHlp Pointer to command helper functions.
1236	* @param pVM Pointer to the current VM (if any).
1237	* @param paArgs Pointer to (readonly) array of arguments.
1238	* @param cArgs Number of arguments in the array.
1239	*/
1240	static DECLCALLBACK(int) dbgcCmdLoadVars(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1241	{
1242	/*
1243	* Don't trust the parser.
1244	*/
1245	if ( cArgs != 1
1246	\|\| paArgs[0].enmType != DBGCVAR_TYPE_STRING)
1247	{
1248	AssertMsgFailed(("Expected one string exactly!\n"));
1249	return VERR_PARSE_INCORRECT_ARG_TYPE;
1250	}
1251
1252	/*
1253	* Iterate the variables and unset them.
1254	*/
1255	FILE *pFile = fopen(paArgs[0].u.pszString, "r");
1256	if (pFile)
1257	{
1258	char szLine[4096];
1259	while (fgets(szLine, sizeof(szLine), pFile))
1260	{
1261	/* Strip it. */
1262	char *psz = szLine;
1263	while (isblank(*psz))
1264	psz++;
1265	int i = (int)strlen(psz) - 1;
1266	while (i >= 0 && isspace(psz[i]))
1267	psz[i--] ='\0';
1268	/* Execute it if not comment or empty line. */
1269	if ( *psz != '\0'
1270	&& *psz != '#'
1271	&& *psz != ';')
1272	{
1273	pCmdHlp->pfnPrintf(pCmdHlp, NULL, "dbg: set %s", psz);
1274	pCmdHlp->pfnExec(pCmdHlp, "set %s", psz);
1275	}
1276	}
1277	fclose(pFile);
1278	}
1279	else
1280	return pCmdHlp->pfnPrintf(pCmdHlp, NULL, "Failed to open file '%s'.\n", paArgs[0].u.pszString);
1281
1282	NOREF(pCmd); NOREF(pVM); NOREF(pResult);
1283	return 0;
1284	}
1285
1286
1287	/**
1288	* The 'showvars' command.
1289	*
1290	* @returns VBox status.
1291	* @param pCmd Pointer to the command descriptor (as registered).
1292	* @param pCmdHlp Pointer to command helper functions.
1293	* @param pVM Pointer to the current VM (if any).
1294	* @param paArgs Pointer to (readonly) array of arguments.
1295	* @param cArgs Number of arguments in the array.
1296	*/
1297	static DECLCALLBACK(int) dbgcCmdShowVars(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1298	{
1299	PDBGC pDbgc = DBGC_CMDHLP2DBGC(pCmdHlp);
1300
1301	for (unsigned iVar = 0; iVar < pDbgc->cVars; iVar++)
1302	{
1303	int rc = pCmdHlp->pfnPrintf(pCmdHlp, NULL, "%-20s ", &pDbgc->papVars[iVar]->szName);
1304	if (!rc)
1305	rc = dbgcCmdFormat(pCmd, pCmdHlp, pVM, &pDbgc->papVars[iVar]->Var, 1, NULL);
1306	if (rc)
1307	return rc;
1308	}
1309
1310	NOREF(paArgs); NOREF(cArgs); NOREF(pResult);
1311	return 0;
1312	}
1313
1314
1315	/**
1316	* The 'harakiri' command.
1317	*
1318	* @returns VBox status.
1319	* @param pCmd Pointer to the command descriptor (as registered).
1320	* @param pCmdHlp Pointer to command helper functions.
1321	* @param pVM Pointer to the current VM (if any).
1322	* @param paArgs Pointer to (readonly) array of arguments.
1323	* @param cArgs Number of arguments in the array.
1324	*/
1325	static DECLCALLBACK(int) dbgcCmdHarakiri(PCDBGCCMD pCmd, PDBGCCMDHLP pCmdHlp, PVM pVM, PCDBGCVAR paArgs, unsigned cArgs, PDBGCVAR pResult)
1326	{
1327	Log(("dbgcCmdHarakiri\n"));
1328	for (;;)
1329	exit(126);
1330	NOREF(pCmd); NOREF(pCmdHlp); NOREF(pVM); NOREF(paArgs); NOREF(cArgs); NOREF(pResult);
1331	}
1332

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source: vbox/trunk/src/VBox/Debugger/DBGCCommands.cpp@ 6484

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