1 | /* $Id: RTNtDbgHelp.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
|
---|
2 | /** @file
|
---|
3 | * IPRT - RTNtDbgHelp - Tool for working/exploring DbgHelp.dll.
|
---|
4 | */
|
---|
5 |
|
---|
6 | /*
|
---|
7 | * Copyright (C) 2013-2023 Oracle and/or its affiliates.
|
---|
8 | *
|
---|
9 | * This file is part of VirtualBox base platform packages, as
|
---|
10 | * available from https://www.virtualbox.org.
|
---|
11 | *
|
---|
12 | * This program is free software; you can redistribute it and/or
|
---|
13 | * modify it under the terms of the GNU General Public License
|
---|
14 | * as published by the Free Software Foundation, in version 3 of the
|
---|
15 | * License.
|
---|
16 | *
|
---|
17 | * This program is distributed in the hope that it will be useful, but
|
---|
18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
---|
20 | * General Public License for more details.
|
---|
21 | *
|
---|
22 | * You should have received a copy of the GNU General Public License
|
---|
23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
|
---|
24 | *
|
---|
25 | * The contents of this file may alternatively be used under the terms
|
---|
26 | * of the Common Development and Distribution License Version 1.0
|
---|
27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
|
---|
28 | * in the VirtualBox distribution, in which case the provisions of the
|
---|
29 | * CDDL are applicable instead of those of the GPL.
|
---|
30 | *
|
---|
31 | * You may elect to license modified versions of this file under the
|
---|
32 | * terms and conditions of either the GPL or the CDDL or both.
|
---|
33 | *
|
---|
34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
|
---|
35 | */
|
---|
36 |
|
---|
37 |
|
---|
38 | /*********************************************************************************************************************************
|
---|
39 | * Header Files *
|
---|
40 | *********************************************************************************************************************************/
|
---|
41 | #include <iprt/win/windows.h>
|
---|
42 | #include <iprt/win/dbghelp.h>
|
---|
43 |
|
---|
44 | #include <iprt/alloca.h>
|
---|
45 | #include <iprt/dir.h>
|
---|
46 | #include <iprt/file.h>
|
---|
47 | #include <iprt/getopt.h>
|
---|
48 | #include <iprt/env.h>
|
---|
49 | #include <iprt/initterm.h>
|
---|
50 | #include <iprt/list.h>
|
---|
51 | #include <iprt/mem.h>
|
---|
52 | #include <iprt/message.h>
|
---|
53 | #include <iprt/path.h>
|
---|
54 | #include <iprt/stream.h>
|
---|
55 | #include <iprt/string.h>
|
---|
56 | #include <iprt/errcore.h>
|
---|
57 |
|
---|
58 | #include <iprt/win/lazy-dbghelp.h>
|
---|
59 |
|
---|
60 | #include <iprt/ldrlazy.h>
|
---|
61 |
|
---|
62 |
|
---|
63 | /*********************************************************************************************************************************
|
---|
64 | * Structures and Typedefs *
|
---|
65 | *********************************************************************************************************************************/
|
---|
66 | /**
|
---|
67 | * Debug module record.
|
---|
68 | *
|
---|
69 | * Used for dumping the whole context.
|
---|
70 | */
|
---|
71 | typedef struct RTNTDBGHELPMOD
|
---|
72 | {
|
---|
73 | /** The list bits. */
|
---|
74 | RTLISTNODE ListEntry;
|
---|
75 | /** The module address. */
|
---|
76 | uint64_t uModAddr;
|
---|
77 | /** Pointer to the name part of szFullName. */
|
---|
78 | char *pszName;
|
---|
79 | /** The module name. */
|
---|
80 | char szFullName[1];
|
---|
81 | } RTNTDBGHELPMOD;
|
---|
82 | /** Pointer to a debug module. */
|
---|
83 | typedef RTNTDBGHELPMOD *PRTNTDBGHELPMOD;
|
---|
84 |
|
---|
85 |
|
---|
86 | /*********************************************************************************************************************************
|
---|
87 | * Global Variables *
|
---|
88 | *********************************************************************************************************************************/
|
---|
89 | /** Verbosity level. */
|
---|
90 | static int g_iOptVerbose = 1;
|
---|
91 |
|
---|
92 | /** Fake process handle. */
|
---|
93 | static HANDLE g_hFake = (HANDLE)0x1234567;
|
---|
94 | /** Number of modules in the list. */
|
---|
95 | static uint32_t g_cModules = 0;
|
---|
96 | /** Module list. */
|
---|
97 | static RTLISTANCHOR g_ModuleList;
|
---|
98 | /** Set when initialized, clear until then. Lazy init on first operation. */
|
---|
99 | static bool g_fInitialized = false;
|
---|
100 |
|
---|
101 | /** The current address register. */
|
---|
102 | static uint64_t g_uCurAddress = 0;
|
---|
103 |
|
---|
104 |
|
---|
105 |
|
---|
106 | /**
|
---|
107 | * For debug/verbose output.
|
---|
108 | *
|
---|
109 | * @param iMin The minimum verbosity level for this message.
|
---|
110 | * @param pszFormat The format string.
|
---|
111 | * @param ... The arguments referenced in the format string.
|
---|
112 | */
|
---|
113 | static void infoPrintf(int iMin, const char *pszFormat, ...)
|
---|
114 | {
|
---|
115 | if (g_iOptVerbose >= iMin)
|
---|
116 | {
|
---|
117 | va_list va;
|
---|
118 | va_start(va, pszFormat);
|
---|
119 | RTPrintf("info: ");
|
---|
120 | RTPrintfV(pszFormat, va);
|
---|
121 | va_end(va);
|
---|
122 | }
|
---|
123 | }
|
---|
124 |
|
---|
125 | static BOOL CALLBACK symDebugCallback64(HANDLE hProcess, ULONG uAction, ULONG64 ullData, ULONG64 ullUserCtx)
|
---|
126 | {
|
---|
127 | NOREF(hProcess); NOREF(ullUserCtx);
|
---|
128 | switch (uAction)
|
---|
129 | {
|
---|
130 | case CBA_DEBUG_INFO:
|
---|
131 | {
|
---|
132 | const char *pszMsg = (const char *)(uintptr_t)ullData;
|
---|
133 | size_t cchMsg = strlen(pszMsg);
|
---|
134 | if (cchMsg > 0 && pszMsg[cchMsg - 1] == '\n')
|
---|
135 | RTPrintf("cba_debug_info: %s", pszMsg);
|
---|
136 | else
|
---|
137 | RTPrintf("cba_debug_info: %s\n", pszMsg);
|
---|
138 | return TRUE;
|
---|
139 | }
|
---|
140 |
|
---|
141 | case CBA_DEFERRED_SYMBOL_LOAD_CANCEL:
|
---|
142 | return FALSE;
|
---|
143 |
|
---|
144 | case CBA_EVENT:
|
---|
145 | return FALSE;
|
---|
146 |
|
---|
147 | default:
|
---|
148 | RTPrintf("cba_???: uAction=%#x ullData=%#llx\n", uAction, ullData);
|
---|
149 | break;
|
---|
150 | }
|
---|
151 |
|
---|
152 | return FALSE;
|
---|
153 | }
|
---|
154 |
|
---|
155 | /**
|
---|
156 | * Lazy initialization.
|
---|
157 | * @returns Exit code with any relevant complaints printed.
|
---|
158 | */
|
---|
159 | static RTEXITCODE ensureInitialized(void)
|
---|
160 | {
|
---|
161 | if (!g_fInitialized)
|
---|
162 | {
|
---|
163 | if (!SymInitialize(g_hFake, NULL, FALSE))
|
---|
164 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "SymInitialied failed: %u\n", GetLastError());
|
---|
165 | if (!SymRegisterCallback64(g_hFake, symDebugCallback64, 0))
|
---|
166 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "SymRegisterCallback64 failed: %u\n", GetLastError());
|
---|
167 | g_fInitialized = true;
|
---|
168 | infoPrintf(2, "SymInitialized(,,)\n");
|
---|
169 | }
|
---|
170 | return RTEXITCODE_SUCCESS;
|
---|
171 | }
|
---|
172 |
|
---|
173 |
|
---|
174 | /**
|
---|
175 | * Loads the given module, the address is either automatic or a previously given
|
---|
176 | * one.
|
---|
177 | *
|
---|
178 | * @returns Exit code with any relevant complaints printed.
|
---|
179 | * @param pszFile The file to load.
|
---|
180 | */
|
---|
181 | static RTEXITCODE loadModule(const char *pszFile)
|
---|
182 | {
|
---|
183 | RTEXITCODE rcExit = ensureInitialized();
|
---|
184 | if (rcExit != RTEXITCODE_SUCCESS)
|
---|
185 | return rcExit;
|
---|
186 |
|
---|
187 | uint64_t uModAddrReq = g_uCurAddress == 0 ? UINT64_C(0x1000000) * g_cModules : g_uCurAddress;
|
---|
188 | uint64_t uModAddrGot = SymLoadModuleEx(g_hFake, NULL /*hFile*/, pszFile, NULL /*pszModuleName*/,
|
---|
189 | uModAddrReq, 0, NULL /*pData*/, 0 /*fFlags*/);
|
---|
190 | if (uModAddrGot == 0)
|
---|
191 | return RTMsgErrorExit(RTEXITCODE_FAILURE, "SymLoadModuleEx failed: %u\n", GetLastError());
|
---|
192 |
|
---|
193 | size_t cbFullName = strlen(pszFile) + 1;
|
---|
194 | PRTNTDBGHELPMOD pMod = (PRTNTDBGHELPMOD)RTMemAlloc(RT_UOFFSETOF_DYN(RTNTDBGHELPMOD, szFullName[cbFullName + 1]));
|
---|
195 | memcpy(pMod->szFullName, pszFile, cbFullName);
|
---|
196 | pMod->pszName = RTPathFilename(pMod->szFullName);
|
---|
197 | pMod->uModAddr = uModAddrGot;
|
---|
198 | RTListAppend(&g_ModuleList, &pMod->ListEntry);
|
---|
199 | infoPrintf(1, "%#018RX64 %s\n", pMod->uModAddr, pMod->pszName);
|
---|
200 |
|
---|
201 | return RTEXITCODE_SUCCESS;
|
---|
202 | }
|
---|
203 |
|
---|
204 |
|
---|
205 | /**
|
---|
206 | * Translates SYM_TYPE to string.
|
---|
207 | *
|
---|
208 | * @returns String.
|
---|
209 | * @param enmType The symbol type value.
|
---|
210 | */
|
---|
211 | static const char *symTypeName(SYM_TYPE enmType)
|
---|
212 | {
|
---|
213 | switch (enmType)
|
---|
214 | {
|
---|
215 | case SymCoff: return "SymCoff";
|
---|
216 | case SymCv: return "SymCv";
|
---|
217 | case SymPdb: return "SymPdb";
|
---|
218 | case SymExport: return "SymExport";
|
---|
219 | case SymDeferred: return "SymDeferred";
|
---|
220 | case SymSym: return "SymSym";
|
---|
221 | case SymDia: return "SymDia";
|
---|
222 | case SymVirtual: return "SymVirtual";
|
---|
223 | default:
|
---|
224 | {
|
---|
225 | static char s_szBuf[32];
|
---|
226 | RTStrPrintf(s_szBuf, sizeof(s_szBuf), "Unknown-%#x", enmType);
|
---|
227 | return s_szBuf;
|
---|
228 | }
|
---|
229 | }
|
---|
230 | }
|
---|
231 |
|
---|
232 |
|
---|
233 | /**
|
---|
234 | * Symbol enumeration callback.
|
---|
235 | *
|
---|
236 | * @returns TRUE (continue enum).
|
---|
237 | * @param pSymInfo The symbol info.
|
---|
238 | * @param cbSymbol The symbol length (calculated).
|
---|
239 | * @param pvUser NULL.
|
---|
240 | */
|
---|
241 | static BOOL CALLBACK dumpSymbolCallback(PSYMBOL_INFO pSymInfo, ULONG cbSymbol, PVOID pvUser)
|
---|
242 | {
|
---|
243 | NOREF(pvUser);
|
---|
244 | RTPrintf(" %#018RX64 LB %#07x %s\n", pSymInfo->Address, cbSymbol, pSymInfo->Name);
|
---|
245 | return TRUE;
|
---|
246 | }
|
---|
247 |
|
---|
248 | /**
|
---|
249 | * Dumps all info.
|
---|
250 | * @returns Exit code with any relevant complaints printed.
|
---|
251 | */
|
---|
252 | static RTEXITCODE dumpAll(void)
|
---|
253 | {
|
---|
254 | RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
|
---|
255 | PRTNTDBGHELPMOD pMod;
|
---|
256 | RTListForEach(&g_ModuleList, pMod, RTNTDBGHELPMOD, ListEntry)
|
---|
257 | {
|
---|
258 | RTPrintf("*** %#018RX64 - %s ***\n", pMod->uModAddr, pMod->szFullName);
|
---|
259 |
|
---|
260 | static const int8_t s_acbVariations[] = { 0, -4, -8, -12, -16, -20, -24, -28, -32, 4, 8, 12, 16, 20, 24, 28, 32 };
|
---|
261 | unsigned iVariation = 0;
|
---|
262 | union
|
---|
263 | {
|
---|
264 | IMAGEHLP_MODULE64 ModInfo;
|
---|
265 | uint8_t abPadding[sizeof(IMAGEHLP_MODULE64) + 64];
|
---|
266 | } u;
|
---|
267 |
|
---|
268 | BOOL fRc;
|
---|
269 | do
|
---|
270 | {
|
---|
271 | RT_ZERO(u.ModInfo);
|
---|
272 | u.ModInfo.SizeOfStruct = sizeof(u.ModInfo) + s_acbVariations[iVariation++];
|
---|
273 | fRc = SymGetModuleInfo64(g_hFake, pMod->uModAddr, &u.ModInfo);
|
---|
274 | } while (!fRc && GetLastError() == ERROR_INVALID_PARAMETER && iVariation < RT_ELEMENTS(s_acbVariations));
|
---|
275 |
|
---|
276 | if (fRc)
|
---|
277 | {
|
---|
278 | RTPrintf(" BaseOfImage = %#018llx\n", u.ModInfo.BaseOfImage);
|
---|
279 | RTPrintf(" ImageSize = %#010x\n", u.ModInfo.ImageSize);
|
---|
280 | RTPrintf(" TimeDateStamp = %#010x\n", u.ModInfo.TimeDateStamp);
|
---|
281 | RTPrintf(" CheckSum = %#010x\n", u.ModInfo.CheckSum);
|
---|
282 | RTPrintf(" NumSyms = %#010x (%u)\n", u.ModInfo.NumSyms, u.ModInfo.NumSyms);
|
---|
283 | RTPrintf(" SymType = %s\n", symTypeName(u.ModInfo.SymType));
|
---|
284 | RTPrintf(" ModuleName = %.32s\n", u.ModInfo.ModuleName);
|
---|
285 | RTPrintf(" ImageName = %.256s\n", u.ModInfo.ImageName);
|
---|
286 | RTPrintf(" LoadedImageName = %.256s\n", u.ModInfo.LoadedImageName);
|
---|
287 | RTPrintf(" LoadedPdbName = %.256s\n", u.ModInfo.LoadedPdbName);
|
---|
288 | RTPrintf(" CVSig = %#010x\n", u.ModInfo.CVSig);
|
---|
289 | /** @todo CVData. */
|
---|
290 | RTPrintf(" PdbSig = %#010x\n", u.ModInfo.PdbSig);
|
---|
291 | RTPrintf(" PdbSig70 = %RTuuid\n", &u.ModInfo.PdbSig70);
|
---|
292 | RTPrintf(" PdbAge = %#010x\n", u.ModInfo.PdbAge);
|
---|
293 | RTPrintf(" PdbUnmatched = %RTbool\n", u.ModInfo.PdbUnmatched);
|
---|
294 | RTPrintf(" DbgUnmatched = %RTbool\n", u.ModInfo.DbgUnmatched);
|
---|
295 | RTPrintf(" LineNumbers = %RTbool\n", u.ModInfo.LineNumbers);
|
---|
296 | RTPrintf(" GlobalSymbols = %RTbool\n", u.ModInfo.GlobalSymbols);
|
---|
297 | RTPrintf(" TypeInfo = %RTbool\n", u.ModInfo.TypeInfo);
|
---|
298 | RTPrintf(" SourceIndexed = %RTbool\n", u.ModInfo.SourceIndexed);
|
---|
299 | RTPrintf(" Publics = %RTbool\n", u.ModInfo.Publics);
|
---|
300 | }
|
---|
301 | else
|
---|
302 | rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "SymGetModuleInfo64 failed: %u\n", GetLastError());
|
---|
303 |
|
---|
304 | if (!SymEnumSymbols(g_hFake, pMod->uModAddr, NULL, dumpSymbolCallback, NULL))
|
---|
305 | rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "SymEnumSymbols failed: %u\n", GetLastError());
|
---|
306 |
|
---|
307 | }
|
---|
308 | return rcExit;
|
---|
309 | }
|
---|
310 |
|
---|
311 |
|
---|
312 | int main(int argc, char **argv)
|
---|
313 | {
|
---|
314 | int rc = RTR3InitExe(argc, &argv, 0 /*fFlags*/);
|
---|
315 | if (RT_FAILURE(rc))
|
---|
316 | return RTMsgInitFailure(rc);
|
---|
317 |
|
---|
318 | RTListInit(&g_ModuleList);
|
---|
319 |
|
---|
320 | /*
|
---|
321 | * Parse options.
|
---|
322 | */
|
---|
323 | static const RTGETOPTDEF s_aOptions[] =
|
---|
324 | {
|
---|
325 | { "--dump-all", 'd', RTGETOPT_REQ_NOTHING },
|
---|
326 | { "--load", 'l', RTGETOPT_REQ_STRING },
|
---|
327 | { "--set-address", 'a', RTGETOPT_REQ_UINT64 },
|
---|
328 | #define OPT_SET_DEBUG_INFO 0x1000
|
---|
329 | { "--set-debug-info", OPT_SET_DEBUG_INFO, RTGETOPT_REQ_NOTHING },
|
---|
330 | { "--verbose", 'v', RTGETOPT_REQ_NOTHING },
|
---|
331 | { "--quiet", 'q', RTGETOPT_REQ_NOTHING },
|
---|
332 | };
|
---|
333 |
|
---|
334 | RTEXITCODE rcExit = RTEXITCODE_SUCCESS;
|
---|
335 | //const char *pszOutput = "-";
|
---|
336 |
|
---|
337 | int ch;
|
---|
338 | RTGETOPTUNION ValueUnion;
|
---|
339 | RTGETOPTSTATE GetState;
|
---|
340 | RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1,
|
---|
341 | RTGETOPTINIT_FLAGS_OPTS_FIRST);
|
---|
342 | while ((ch = RTGetOpt(&GetState, &ValueUnion)) != 0)
|
---|
343 | {
|
---|
344 | switch (ch)
|
---|
345 | {
|
---|
346 | case 'v':
|
---|
347 | g_iOptVerbose++;
|
---|
348 | break;
|
---|
349 |
|
---|
350 | case 'q':
|
---|
351 | g_iOptVerbose++;
|
---|
352 | break;
|
---|
353 |
|
---|
354 | case 'l':
|
---|
355 | rcExit = loadModule(ValueUnion.psz);
|
---|
356 | break;
|
---|
357 |
|
---|
358 | case 'a':
|
---|
359 | g_uCurAddress = ValueUnion.u64;
|
---|
360 | break;
|
---|
361 |
|
---|
362 | case 'd':
|
---|
363 | rcExit = dumpAll();
|
---|
364 | break;
|
---|
365 |
|
---|
366 | case OPT_SET_DEBUG_INFO:
|
---|
367 | rcExit = ensureInitialized();
|
---|
368 | if (rcExit == RTEXITCODE_SUCCESS && !SymSetOptions(SymGetOptions() | SYMOPT_DEBUG))
|
---|
369 | rcExit = RTMsgErrorExit(RTEXITCODE_FAILURE, "SymSetOptions failed: %u\n", GetLastError());
|
---|
370 | break;
|
---|
371 |
|
---|
372 |
|
---|
373 | case 'V':
|
---|
374 | RTPrintf("$Revision: 98103 $");
|
---|
375 | break;
|
---|
376 |
|
---|
377 | case 'h':
|
---|
378 | RTPrintf("usage: %s [-v|--verbose] [-q|--quiet] [--set-debug-info] [-a <addr>] [-l <file>] [-d] [...]\n"
|
---|
379 | " or: %s [-V|--version]\n"
|
---|
380 | " or: %s [-h|--help]\n",
|
---|
381 | argv[0], argv[0], argv[0]);
|
---|
382 | return RTEXITCODE_SUCCESS;
|
---|
383 |
|
---|
384 | case VINF_GETOPT_NOT_OPTION:
|
---|
385 | default:
|
---|
386 | return RTGetOptPrintError(ch, &ValueUnion);
|
---|
387 | }
|
---|
388 | if (rcExit != RTEXITCODE_SUCCESS)
|
---|
389 | break;
|
---|
390 | }
|
---|
391 | return rcExit;
|
---|
392 | }
|
---|
393 |
|
---|