VirtualBox

source: vbox/trunk/src/VBox/Runtime/r3/win/init-win.cpp@ 96505

Last change on this file since 96505 was 96505, checked in by vboxsync, 2 years ago

IPRT: Dynamically resolve GetProcessAffinityMask, SetThreadAffinityMask, CreateIoCompletionPort, GetQueuedCompletionStatus and PostQueuedCompletionStatus too so related (ValKit) code loads on ancient NT versions. bugref:10261

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1/* $Id: init-win.cpp 96505 2022-08-25 22:44:04Z vboxsync $ */
2/** @file
3 * IPRT - Init Ring-3, Windows Specific Code.
4 */
5
6/*
7 * Copyright (C) 2006-2022 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#define LOG_GROUP RTLOGGROUP_DEFAULT
42#include <iprt/nt/nt-and-windows.h>
43#ifndef LOAD_LIBRARY_SEARCH_APPLICATION_DIR
44# define LOAD_LIBRARY_SEARCH_APPLICATION_DIR 0x200
45# define LOAD_LIBRARY_SEARCH_SYSTEM32 0x800
46#endif
47
48#include "internal-r3-win.h"
49#include <iprt/initterm.h>
50#include <iprt/assert.h>
51#include <iprt/err.h>
52#include <iprt/ldr.h>
53#include <iprt/log.h>
54#include <iprt/param.h>
55#include <iprt/process.h>
56#include <iprt/string.h>
57#include <iprt/thread.h>
58#include "../init.h"
59
60
61/*********************************************************************************************************************************
62* Structures and Typedefs *
63*********************************************************************************************************************************/
64typedef VOID (WINAPI *PFNGETCURRENTTHREADSTACKLIMITS)(PULONG_PTR puLow, PULONG_PTR puHigh);
65typedef LPTOP_LEVEL_EXCEPTION_FILTER (WINAPI * PFNSETUNHANDLEDEXCEPTIONFILTER)(LPTOP_LEVEL_EXCEPTION_FILTER);
66
67
68/*********************************************************************************************************************************
69* Global Variables *
70*********************************************************************************************************************************/
71/** Windows DLL loader protection level. */
72DECL_HIDDEN_DATA(RTR3WINLDRPROT) g_enmWinLdrProt = RTR3WINLDRPROT_NONE;
73/** Our simplified windows version. */
74DECL_HIDDEN_DATA(RTWINOSTYPE) g_enmWinVer = kRTWinOSType_UNKNOWN;
75/** Extended windows version information. */
76DECL_HIDDEN_DATA(OSVERSIONINFOEXW) g_WinOsInfoEx;
77
78/** The native kernel32.dll handle. */
79DECL_HIDDEN_DATA(HMODULE) g_hModKernel32 = NULL;
80/** GetSystemWindowsDirectoryW or GetWindowsDirectoryW (NT4). */
81DECL_HIDDEN_DATA(PFNGETWINSYSDIR) g_pfnGetSystemWindowsDirectoryW = NULL;
82/** The GetCurrentThreadStackLimits API. */
83static PFNGETCURRENTTHREADSTACKLIMITS g_pfnGetCurrentThreadStackLimits = NULL;
84/** SetUnhandledExceptionFilter. */
85static PFNSETUNHANDLEDEXCEPTIONFILTER g_pfnSetUnhandledExceptionFilter = NULL;
86/** The previous unhandled exception filter. */
87static LPTOP_LEVEL_EXCEPTION_FILTER g_pfnUnhandledXcptFilter = NULL;
88/** SystemTimeToTzSpecificLocalTime. */
89DECL_HIDDEN_DATA(decltype(SystemTimeToTzSpecificLocalTime) *) g_pfnSystemTimeToTzSpecificLocalTime = NULL;
90/** CreateWaitableTimerEx . */
91DECL_HIDDEN_DATA(PFNCREATEWAITABLETIMEREX) g_pfnCreateWaitableTimerExW = NULL;
92DECL_HIDDEN_DATA(decltype(GetHandleInformation) *) g_pfnGetHandleInformation = NULL;
93DECL_HIDDEN_DATA(decltype(SetHandleInformation) *) g_pfnSetHandleInformation = NULL;
94DECL_HIDDEN_DATA(decltype(IsDebuggerPresent) *) g_pfnIsDebuggerPresent = NULL;
95DECL_HIDDEN_DATA(decltype(GetSystemTimeAsFileTime) *) g_pfnGetSystemTimeAsFileTime = NULL;
96DECL_HIDDEN_DATA(decltype(GetProcessAffinityMask) *) g_pfnGetProcessAffinityMask = NULL;
97DECL_HIDDEN_DATA(decltype(SetThreadAffinityMask) *) g_pfnSetThreadAffinityMask = NULL;
98DECL_HIDDEN_DATA(decltype(CreateIoCompletionPort) *) g_pfnCreateIoCompletionPort = NULL;
99DECL_HIDDEN_DATA(decltype(GetQueuedCompletionStatus) *) g_pfnGetQueuedCompletionStatus = NULL;
100DECL_HIDDEN_DATA(decltype(PostQueuedCompletionStatus) *) g_pfnPostQueuedCompletionStatus = NULL;
101
102/** The native ntdll.dll handle. */
103DECL_HIDDEN_DATA(HMODULE) g_hModNtDll = NULL;
104/** NtQueryFullAttributesFile */
105DECL_HIDDEN_DATA(PFNNTQUERYFULLATTRIBUTESFILE) g_pfnNtQueryFullAttributesFile = NULL;
106/** NtDuplicateToken (NT 3.51). */
107DECL_HIDDEN_DATA(PFNNTDUPLICATETOKEN) g_pfnNtDuplicateToken = NULL;
108/** NtAlertThread (NT 3.51). */
109DECL_HIDDEN_DATA(decltype(NtAlertThread) *) g_pfnNtAlertThread = NULL;
110
111/** Either ws2_32.dll (NT4+) or wsock32.dll (NT3.x). */
112DECL_HIDDEN_DATA(HMODULE) g_hModWinSock = NULL;
113/** Set if we're dealing with old winsock. */
114DECL_HIDDEN_DATA(bool) g_fOldWinSock = false;
115/** WSAStartup */
116DECL_HIDDEN_DATA(PFNWSASTARTUP) g_pfnWSAStartup = NULL;
117/** WSACleanup */
118DECL_HIDDEN_DATA(PFNWSACLEANUP) g_pfnWSACleanup = NULL;
119/** Pointner to WSAGetLastError (for RTErrVarsSave). */
120DECL_HIDDEN_DATA(PFNWSAGETLASTERROR) g_pfnWSAGetLastError = NULL;
121/** Pointner to WSASetLastError (for RTErrVarsRestore). */
122DECL_HIDDEN_DATA(PFNWSASETLASTERROR) g_pfnWSASetLastError = NULL;
123/** WSACreateEvent */
124DECL_HIDDEN_DATA(PFNWSACREATEEVENT) g_pfnWSACreateEvent = NULL;
125/** WSACloseEvent */
126DECL_HIDDEN_DATA(PFNWSACLOSEEVENT) g_pfnWSACloseEvent = NULL;
127/** WSASetEvent */
128DECL_HIDDEN_DATA(PFNWSASETEVENT) g_pfnWSASetEvent = NULL;
129/** WSAEventSelect */
130DECL_HIDDEN_DATA(PFNWSAEVENTSELECT) g_pfnWSAEventSelect = NULL;
131/** WSAEnumNetworkEvents */
132DECL_HIDDEN_DATA(PFNWSAENUMNETWORKEVENTS) g_pfnWSAEnumNetworkEvents = NULL;
133/** WSASocketW */
134DECL_HIDDEN_DATA(PFNWSASOCKETW) g_pfnWSASocketW = NULL;
135/** WSASend */
136DECL_HIDDEN_DATA(PFNWSASEND) g_pfnWSASend = NULL;
137/** socket */
138DECL_HIDDEN_DATA(PFNWINSOCKSOCKET) g_pfnsocket = NULL;
139/** closesocket */
140DECL_HIDDEN_DATA(PFNWINSOCKCLOSESOCKET) g_pfnclosesocket = NULL;
141/** recv */
142DECL_HIDDEN_DATA(PFNWINSOCKRECV) g_pfnrecv = NULL;
143/** send */
144DECL_HIDDEN_DATA(PFNWINSOCKSEND) g_pfnsend = NULL;
145/** recvfrom */
146DECL_HIDDEN_DATA(PFNWINSOCKRECVFROM) g_pfnrecvfrom = NULL;
147/** sendto */
148DECL_HIDDEN_DATA(PFNWINSOCKSENDTO) g_pfnsendto = NULL;
149/** bind */
150DECL_HIDDEN_DATA(PFNWINSOCKBIND) g_pfnbind = NULL;
151/** listen */
152DECL_HIDDEN_DATA(PFNWINSOCKLISTEN) g_pfnlisten = NULL;
153/** accept */
154DECL_HIDDEN_DATA(PFNWINSOCKACCEPT) g_pfnaccept = NULL;
155/** connect */
156DECL_HIDDEN_DATA(PFNWINSOCKCONNECT) g_pfnconnect = NULL;
157/** shutdown */
158DECL_HIDDEN_DATA(PFNWINSOCKSHUTDOWN) g_pfnshutdown = NULL;
159/** getsockopt */
160DECL_HIDDEN_DATA(PFNWINSOCKGETSOCKOPT) g_pfngetsockopt = NULL;
161/** setsockopt */
162DECL_HIDDEN_DATA(PFNWINSOCKSETSOCKOPT) g_pfnsetsockopt = NULL;
163/** ioctlsocket */
164DECL_HIDDEN_DATA(PFNWINSOCKIOCTLSOCKET) g_pfnioctlsocket = NULL;
165/** getpeername */
166DECL_HIDDEN_DATA(PFNWINSOCKGETPEERNAME) g_pfngetpeername = NULL;
167/** getsockname */
168DECL_HIDDEN_DATA(PFNWINSOCKGETSOCKNAME) g_pfngetsockname = NULL;
169/** __WSAFDIsSet */
170DECL_HIDDEN_DATA(PFNWINSOCK__WSAFDISSET) g_pfn__WSAFDIsSet = NULL;
171/** select */
172DECL_HIDDEN_DATA(PFNWINSOCKSELECT) g_pfnselect = NULL;
173/** gethostbyname */
174DECL_HIDDEN_DATA(PFNWINSOCKGETHOSTBYNAME) g_pfngethostbyname = NULL;
175
176
177/*********************************************************************************************************************************
178* Internal Functions *
179*********************************************************************************************************************************/
180static LONG CALLBACK rtR3WinUnhandledXcptFilter(PEXCEPTION_POINTERS);
181
182
183/**
184 * Translates OSVERSIONINOFEX into a Windows OS type.
185 *
186 * @returns The Windows OS type.
187 * @param pOSInfoEx The OS info returned by Windows.
188 *
189 * @remarks This table has been assembled from Usenet postings, personal
190 * observations, and reading other people's code. Please feel
191 * free to add to it or correct it.
192 * <pre>
193 dwPlatFormID dwMajorVersion dwMinorVersion dwBuildNumber
19495 1 4 0 950
19595 SP1 1 4 0 >950 && <=1080
19695 OSR2 1 4 <10 >1080
19798 1 4 10 1998
19898 SP1 1 4 10 >1998 && <2183
19998 SE 1 4 10 >=2183
200ME 1 4 90 3000
201
202NT 3.51 2 3 51 1057
203NT 4 2 4 0 1381
2042000 2 5 0 2195
205XP 2 5 1 2600
2062003 2 5 2 3790
207Vista 2 6 0
208
209CE 1.0 3 1 0
210CE 2.0 3 2 0
211CE 2.1 3 2 1
212CE 3.0 3 3 0
213</pre>
214 */
215static RTWINOSTYPE rtR3InitWinSimplifiedVersion(OSVERSIONINFOEXW const *pOSInfoEx)
216{
217 RTWINOSTYPE enmVer = kRTWinOSType_UNKNOWN;
218 BYTE const bProductType = pOSInfoEx->wProductType;
219 DWORD const dwPlatformId = pOSInfoEx->dwPlatformId;
220 DWORD const dwMinorVersion = pOSInfoEx->dwMinorVersion;
221 DWORD const dwMajorVersion = pOSInfoEx->dwMajorVersion;
222 DWORD const dwBuildNumber = pOSInfoEx->dwBuildNumber & 0xFFFF; /* Win 9x needs this. */
223
224 if ( dwPlatformId == VER_PLATFORM_WIN32_WINDOWS
225 && dwMajorVersion == 4)
226 {
227 if ( dwMinorVersion < 10
228 && dwBuildNumber == 950)
229 enmVer = kRTWinOSType_95;
230 else if ( dwMinorVersion < 10
231 && dwBuildNumber > 950
232 && dwBuildNumber <= 1080)
233 enmVer = kRTWinOSType_95SP1;
234 else if ( dwMinorVersion < 10
235 && dwBuildNumber > 1080)
236 enmVer = kRTWinOSType_95OSR2;
237 else if ( dwMinorVersion == 10
238 && dwBuildNumber == 1998)
239 enmVer = kRTWinOSType_98;
240 else if ( dwMinorVersion == 10
241 && dwBuildNumber > 1998
242 && dwBuildNumber < 2183)
243 enmVer = kRTWinOSType_98SP1;
244 else if ( dwMinorVersion == 10
245 && dwBuildNumber >= 2183)
246 enmVer = kRTWinOSType_98SE;
247 else if (dwMinorVersion == 90)
248 enmVer = kRTWinOSType_ME;
249 }
250 else if (dwPlatformId == VER_PLATFORM_WIN32_NT)
251 {
252 if (dwMajorVersion == 3)
253 {
254 if ( dwMinorVersion < 50)
255 enmVer = kRTWinOSType_NT310;
256 else if (dwMinorVersion == 50)
257 enmVer = kRTWinOSType_NT350;
258 else
259 enmVer = kRTWinOSType_NT351;
260 }
261 else if (dwMajorVersion == 4)
262 enmVer = kRTWinOSType_NT4;
263 else if (dwMajorVersion == 5)
264 {
265 if (dwMinorVersion == 0)
266 enmVer = kRTWinOSType_2K;
267 else if (dwMinorVersion == 1)
268 enmVer = kRTWinOSType_XP;
269 else
270 enmVer = kRTWinOSType_2003;
271 }
272 else if (dwMajorVersion == 6)
273 {
274 if (dwMinorVersion == 0)
275 enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2008 : kRTWinOSType_VISTA;
276 else if (dwMinorVersion == 1)
277 enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2008R2 : kRTWinOSType_7;
278 else if (dwMinorVersion == 2)
279 enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2012 : kRTWinOSType_8;
280 else if (dwMinorVersion == 3)
281 enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2012R2 : kRTWinOSType_81;
282 else if (dwMinorVersion == 4)
283 enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2016 : kRTWinOSType_10;
284 else
285 enmVer = kRTWinOSType_NT_UNKNOWN;
286 }
287 else if (dwMajorVersion == 10)
288 {
289 if (dwMinorVersion == 0)
290 {
291 /* The version detection for server 2019, server 2022 and windows 11
292 are by build number. Stupid, stupid, Microsoft. */
293 if (bProductType == VER_NT_WORKSTATION)
294 enmVer = dwBuildNumber >= 22000 ? kRTWinOSType_11 : kRTWinOSType_10;
295 else
296 enmVer = dwBuildNumber >= 20348 ? kRTWinOSType_2022
297 : dwBuildNumber >= 17763 ? kRTWinOSType_2019 : kRTWinOSType_2016;
298 }
299 else
300 enmVer = kRTWinOSType_NT_UNKNOWN;
301 }
302 else
303 enmVer = kRTWinOSType_NT_UNKNOWN;
304 }
305
306 return enmVer;
307}
308
309
310/**
311 * Initializes the global variables related to windows version.
312 */
313static void rtR3InitWindowsVersion(void)
314{
315 Assert(g_hModNtDll != NULL);
316
317 /*
318 * ASSUMES OSVERSIONINFOEX starts with the exact same layout as OSVERSIONINFO (safe).
319 */
320 AssertCompileMembersSameSizeAndOffset(OSVERSIONINFOEX, szCSDVersion, OSVERSIONINFO, szCSDVersion);
321 AssertCompileMemberOffset(OSVERSIONINFOEX, wServicePackMajor, sizeof(OSVERSIONINFO));
322
323 /*
324 * Use the NT version of RtlGetVersion (since w2k) so we don't get fooled
325 * by compatability shims.
326 */
327 RT_ZERO(g_WinOsInfoEx);
328 g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
329
330 LONG (__stdcall *pfnRtlGetVersion)(OSVERSIONINFOEXW *);
331 *(FARPROC *)&pfnRtlGetVersion = GetProcAddress(g_hModNtDll, "RtlGetVersion");
332 LONG rcNt = -1;
333 if (pfnRtlGetVersion)
334 rcNt = pfnRtlGetVersion(&g_WinOsInfoEx);
335 if (rcNt != 0)
336 {
337 /*
338 * Couldn't find it or it failed, try the windows version of the API.
339 * The GetVersionExW API was added in NT 3.51.
340 */
341 RT_ZERO(g_WinOsInfoEx);
342 g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
343
344 BOOL (__stdcall *pfnGetVersionExW)(OSVERSIONINFOW *);
345 *(FARPROC *)&pfnGetVersionExW = GetProcAddress(g_hModKernel32, "GetVersionExW");
346
347 if (!pfnGetVersionExW || !pfnGetVersionExW((POSVERSIONINFOW)&g_WinOsInfoEx))
348 {
349 /*
350 * If that didn't work either, just get the basic version bits.
351 */
352 RT_ZERO(g_WinOsInfoEx);
353 g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
354 if (!pfnGetVersionExW || !pfnGetVersionExW((POSVERSIONINFOW)&g_WinOsInfoEx))
355 Assert(g_WinOsInfoEx.dwPlatformId != VER_PLATFORM_WIN32_NT || g_WinOsInfoEx.dwMajorVersion < 5);
356 else
357 {
358 /*
359 * Okay, nothing worked, so use GetVersion.
360 * This should only happen if we're on NT 3.1 or NT 3.50.
361 * It should never happen for 64-bit builds.
362 */
363#ifdef RT_ARCH_X86
364 RT_ZERO(g_WinOsInfoEx);
365 DWORD const dwVersion = GetVersion();
366
367 /* Common fields: */
368 g_WinOsInfoEx.dwMajorVersion = dwVersion & 0xff;
369 g_WinOsInfoEx.dwMinorVersion = (dwVersion >> 8) & 0xff;
370 if (!(dwVersion & RT_BIT_32(31)))
371 g_WinOsInfoEx.dwBuildNumber = dwVersion >> 16;
372 else
373 g_WinOsInfoEx.dwBuildNumber = 511;
374 g_WinOsInfoEx.dwPlatformId = VER_PLATFORM_WIN32_NT;
375 g_WinOsInfoEx.wProductType = VER_NT_WORKSTATION;
376 /** @todo get CSD from registry. */
377#else
378 AssertBreakpoint();
379 RT_ZERO(g_WinOsInfoEx);
380#endif
381 }
382 }
383 }
384
385 if (g_WinOsInfoEx.dwOSVersionInfoSize)
386 g_enmWinVer = rtR3InitWinSimplifiedVersion(&g_WinOsInfoEx);
387}
388
389
390/**
391 * Resolves the winsock error APIs.
392 */
393static void rtR3InitWinSockApis(void)
394{
395 /*
396 * Try get ws2_32.dll, then try load it, then finally fall back to the old
397 * wsock32.dll. We use RTLdrLoadSystem to the loading as it has all the fancy
398 * logic for safely doing that.
399 */
400 g_hModWinSock = GetModuleHandleW(L"ws2_32.dll");
401 if (g_hModWinSock == NULL)
402 {
403 RTLDRMOD hLdrMod;
404 int rc = RTLdrLoadSystem("ws2_32.dll", true /*fNoUnload*/, &hLdrMod);
405 if (RT_FAILURE(rc))
406 {
407 rc = RTLdrLoadSystem("wsock32.dll", true /*fNoUnload*/, &hLdrMod);
408 if (RT_FAILURE(rc))
409 {
410 AssertMsgFailed(("rc=%Rrc\n", rc));
411 return;
412 }
413 g_fOldWinSock = true;
414 }
415 g_hModWinSock = (HMODULE)RTLdrGetNativeHandle(hLdrMod);
416 RTLdrClose(hLdrMod);
417 }
418
419 g_pfnWSAStartup = (decltype(g_pfnWSAStartup)) GetProcAddress(g_hModWinSock, "WSAStartup");
420 g_pfnWSACleanup = (decltype(g_pfnWSACleanup)) GetProcAddress(g_hModWinSock, "WSACleanup");
421 g_pfnWSAGetLastError = (decltype(g_pfnWSAGetLastError)) GetProcAddress(g_hModWinSock, "WSAGetLastError");
422 g_pfnWSASetLastError = (decltype(g_pfnWSASetLastError)) GetProcAddress(g_hModWinSock, "WSASetLastError");
423 g_pfnWSACreateEvent = (decltype(g_pfnWSACreateEvent)) GetProcAddress(g_hModWinSock, "WSACreateEvent");
424 g_pfnWSACloseEvent = (decltype(g_pfnWSACloseEvent)) GetProcAddress(g_hModWinSock, "WSACloseEvent");
425 g_pfnWSASetEvent = (decltype(g_pfnWSASetEvent)) GetProcAddress(g_hModWinSock, "WSASetEvent");
426 g_pfnWSAEventSelect = (decltype(g_pfnWSAEventSelect)) GetProcAddress(g_hModWinSock, "WSAEventSelect");
427 g_pfnWSAEnumNetworkEvents = (decltype(g_pfnWSAEnumNetworkEvents))GetProcAddress(g_hModWinSock,"WSAEnumNetworkEvents");
428 g_pfnWSASocketW = (decltype(g_pfnWSASocketW)) GetProcAddress(g_hModWinSock, "WSASocketW");
429 g_pfnWSASend = (decltype(g_pfnWSASend)) GetProcAddress(g_hModWinSock, "WSASend");
430 g_pfnsocket = (decltype(g_pfnsocket)) GetProcAddress(g_hModWinSock, "socket");
431 g_pfnclosesocket = (decltype(g_pfnclosesocket)) GetProcAddress(g_hModWinSock, "closesocket");
432 g_pfnrecv = (decltype(g_pfnrecv)) GetProcAddress(g_hModWinSock, "recv");
433 g_pfnsend = (decltype(g_pfnsend)) GetProcAddress(g_hModWinSock, "send");
434 g_pfnrecvfrom = (decltype(g_pfnrecvfrom)) GetProcAddress(g_hModWinSock, "recvfrom");
435 g_pfnsendto = (decltype(g_pfnsendto)) GetProcAddress(g_hModWinSock, "sendto");
436 g_pfnbind = (decltype(g_pfnbind)) GetProcAddress(g_hModWinSock, "bind");
437 g_pfnlisten = (decltype(g_pfnlisten)) GetProcAddress(g_hModWinSock, "listen");
438 g_pfnaccept = (decltype(g_pfnaccept)) GetProcAddress(g_hModWinSock, "accept");
439 g_pfnconnect = (decltype(g_pfnconnect)) GetProcAddress(g_hModWinSock, "connect");
440 g_pfnshutdown = (decltype(g_pfnshutdown)) GetProcAddress(g_hModWinSock, "shutdown");
441 g_pfngetsockopt = (decltype(g_pfngetsockopt)) GetProcAddress(g_hModWinSock, "getsockopt");
442 g_pfnsetsockopt = (decltype(g_pfnsetsockopt)) GetProcAddress(g_hModWinSock, "setsockopt");
443 g_pfnioctlsocket = (decltype(g_pfnioctlsocket)) GetProcAddress(g_hModWinSock, "ioctlsocket");
444 g_pfngetpeername = (decltype(g_pfngetpeername)) GetProcAddress(g_hModWinSock, "getpeername");
445 g_pfngetsockname = (decltype(g_pfngetsockname)) GetProcAddress(g_hModWinSock, "getsockname");
446 g_pfn__WSAFDIsSet = (decltype(g_pfn__WSAFDIsSet)) GetProcAddress(g_hModWinSock, "__WSAFDIsSet");
447 g_pfnselect = (decltype(g_pfnselect)) GetProcAddress(g_hModWinSock, "select");
448 g_pfngethostbyname = (decltype(g_pfngethostbyname)) GetProcAddress(g_hModWinSock, "gethostbyname");
449
450 Assert(g_pfnWSAStartup);
451 Assert(g_pfnWSACleanup);
452 Assert(g_pfnWSAGetLastError);
453 Assert(g_pfnWSASetLastError);
454 Assert(g_pfnWSACreateEvent || g_fOldWinSock);
455 Assert(g_pfnWSACloseEvent || g_fOldWinSock);
456 Assert(g_pfnWSASetEvent || g_fOldWinSock);
457 Assert(g_pfnWSAEventSelect || g_fOldWinSock);
458 Assert(g_pfnWSAEnumNetworkEvents || g_fOldWinSock);
459 Assert(g_pfnWSASocketW || g_fOldWinSock);
460 Assert(g_pfnWSASend || g_fOldWinSock);
461 Assert(g_pfnsocket);
462 Assert(g_pfnclosesocket);
463 Assert(g_pfnrecv);
464 Assert(g_pfnsend);
465 Assert(g_pfnrecvfrom);
466 Assert(g_pfnsendto);
467 Assert(g_pfnbind);
468 Assert(g_pfnlisten);
469 Assert(g_pfnaccept);
470 Assert(g_pfnconnect);
471 Assert(g_pfnshutdown);
472 Assert(g_pfngetsockopt);
473 Assert(g_pfnsetsockopt);
474 Assert(g_pfnioctlsocket);
475 Assert(g_pfngetpeername);
476 Assert(g_pfngetsockname);
477 Assert(g_pfn__WSAFDIsSet);
478 Assert(g_pfnselect);
479 Assert(g_pfngethostbyname);
480}
481
482
483static int rtR3InitNativeObtrusiveWorker(uint32_t fFlags)
484{
485 /*
486 * Disable error popups.
487 */
488 UINT fOldErrMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
489 SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX | fOldErrMode);
490
491 /*
492 * Restrict DLL searching for the process on windows versions which allow
493 * us to do so.
494 * - The first trick works on XP SP1+ and disables the searching of the
495 * current directory.
496 * - The second trick is W7 w/ KB2533623 and W8+, it restrict the DLL
497 * searching to the application directory (except when
498 * RTR3INIT_FLAGS_STANDALONE_APP is given) and the System32 directory.
499 */
500 int rc = VINF_SUCCESS;
501
502 typedef BOOL (WINAPI *PFNSETDLLDIRECTORY)(LPCWSTR);
503 PFNSETDLLDIRECTORY pfnSetDllDir = (PFNSETDLLDIRECTORY)GetProcAddress(g_hModKernel32, "SetDllDirectoryW");
504 if (pfnSetDllDir)
505 {
506 if (pfnSetDllDir(L""))
507 g_enmWinLdrProt = RTR3WINLDRPROT_NO_CWD;
508 else
509 rc = VERR_INTERNAL_ERROR_3;
510 }
511
512 /** @bugref{6861} Observed GUI issues on Vista (32-bit and 64-bit) when using
513 * SetDefaultDllDirectories.
514 * @bugref{8194} Try use SetDefaultDllDirectories on Vista for standalone apps
515 * despite potential GUI issues. */
516 if ( g_enmWinVer > kRTWinOSType_VISTA
517 || (fFlags & RTR3INIT_FLAGS_STANDALONE_APP))
518 {
519 typedef BOOL(WINAPI *PFNSETDEFAULTDLLDIRECTORIES)(DWORD);
520 PFNSETDEFAULTDLLDIRECTORIES pfnSetDefDllDirs;
521 pfnSetDefDllDirs = (PFNSETDEFAULTDLLDIRECTORIES)GetProcAddress(g_hModKernel32, "SetDefaultDllDirectories");
522 if (pfnSetDefDllDirs)
523 {
524 DWORD fDllDirs = LOAD_LIBRARY_SEARCH_SYSTEM32;
525 if (!(fFlags & RTR3INIT_FLAGS_STANDALONE_APP))
526 fDllDirs |= LOAD_LIBRARY_SEARCH_APPLICATION_DIR;
527 if (pfnSetDefDllDirs(fDllDirs))
528 g_enmWinLdrProt = fDllDirs & LOAD_LIBRARY_SEARCH_APPLICATION_DIR ? RTR3WINLDRPROT_SAFE : RTR3WINLDRPROT_SAFER;
529 else if (RT_SUCCESS(rc))
530 rc = VERR_INTERNAL_ERROR_4;
531 }
532 }
533
534 /*
535 * Register an unhandled exception callback if we can.
536 */
537 g_pfnGetCurrentThreadStackLimits = (PFNGETCURRENTTHREADSTACKLIMITS)GetProcAddress(g_hModKernel32, "GetCurrentThreadStackLimits");
538 g_pfnSetUnhandledExceptionFilter = (PFNSETUNHANDLEDEXCEPTIONFILTER)GetProcAddress(g_hModKernel32, "SetUnhandledExceptionFilter");
539 if (g_pfnSetUnhandledExceptionFilter && !g_pfnUnhandledXcptFilter)
540 {
541 g_pfnUnhandledXcptFilter = g_pfnSetUnhandledExceptionFilter(rtR3WinUnhandledXcptFilter);
542 AssertStmt(g_pfnUnhandledXcptFilter != rtR3WinUnhandledXcptFilter, g_pfnUnhandledXcptFilter = NULL);
543 }
544
545 return rc;
546}
547
548
549DECLHIDDEN(int) rtR3InitNativeFirst(uint32_t fFlags)
550{
551 /*
552 * Make sure we've got the handles of the two main Windows NT dlls.
553 */
554 g_hModKernel32 = GetModuleHandleW(L"kernel32.dll");
555 if (g_hModKernel32 == NULL)
556 return VERR_INTERNAL_ERROR_2;
557 g_hModNtDll = GetModuleHandleW(L"ntdll.dll");
558 if (g_hModNtDll == NULL)
559 return VERR_INTERNAL_ERROR_2;
560
561 rtR3InitWindowsVersion();
562
563 int rc = VINF_SUCCESS;
564 if (!(fFlags & RTR3INIT_FLAGS_UNOBTRUSIVE))
565 rc = rtR3InitNativeObtrusiveWorker(fFlags);
566
567 /*
568 * Resolve some kernel32.dll APIs we may need but aren't necessarily
569 * present in older windows versions.
570 */
571 g_pfnGetSystemWindowsDirectoryW = (PFNGETWINSYSDIR)GetProcAddress(g_hModKernel32, "GetSystemWindowsDirectoryW");
572 if (g_pfnGetSystemWindowsDirectoryW)
573 g_pfnGetSystemWindowsDirectoryW = (PFNGETWINSYSDIR)GetProcAddress(g_hModKernel32, "GetWindowsDirectoryW");
574 g_pfnSystemTimeToTzSpecificLocalTime = (decltype(SystemTimeToTzSpecificLocalTime) *)GetProcAddress(g_hModKernel32, "SystemTimeToTzSpecificLocalTime");
575 g_pfnCreateWaitableTimerExW = (PFNCREATEWAITABLETIMEREX) GetProcAddress(g_hModKernel32, "CreateWaitableTimerExW");
576 g_pfnGetHandleInformation = (decltype(GetHandleInformation) *) GetProcAddress(g_hModKernel32, "GetHandleInformation");
577 g_pfnSetHandleInformation = (decltype(SetHandleInformation) *) GetProcAddress(g_hModKernel32, "SetHandleInformation");
578 g_pfnIsDebuggerPresent = (decltype(IsDebuggerPresent) *) GetProcAddress(g_hModKernel32, "IsDebuggerPresent");
579 g_pfnGetSystemTimeAsFileTime = (decltype(GetSystemTimeAsFileTime) *) GetProcAddress(g_hModKernel32, "GetSystemTimeAsFileTime");
580 g_pfnGetProcessAffinityMask = (decltype(GetProcessAffinityMask) *) GetProcAddress(g_hModKernel32, "GetProcessAffinityMask");
581 g_pfnSetThreadAffinityMask = (decltype(SetThreadAffinityMask) *) GetProcAddress(g_hModKernel32, "SetThreadAffinityMask");
582 g_pfnCreateIoCompletionPort = (decltype(CreateIoCompletionPort) *) GetProcAddress(g_hModKernel32, "CreateIoCompletionPort");
583 g_pfnGetQueuedCompletionStatus = (decltype(GetQueuedCompletionStatus) *) GetProcAddress(g_hModKernel32, "GetQueuedCompletionStatus");
584 g_pfnPostQueuedCompletionStatus = (decltype(PostQueuedCompletionStatus) *)GetProcAddress(g_hModKernel32, "PostQueuedCompletionStatus");
585
586 Assert(g_pfnGetHandleInformation || g_enmWinVer < kRTWinOSType_NT351);
587 Assert(g_pfnSetHandleInformation || g_enmWinVer < kRTWinOSType_NT351);
588 Assert(g_pfnIsDebuggerPresent || g_enmWinVer < kRTWinOSType_NT4);
589 Assert(g_pfnGetSystemTimeAsFileTime || g_enmWinVer < kRTWinOSType_NT4);
590 Assert(g_pfnGetProcessAffinityMask || g_enmWinVer < kRTWinOSType_NT350);
591 Assert(g_pfnSetThreadAffinityMask || g_enmWinVer < kRTWinOSType_NT350);
592 Assert(g_pfnCreateIoCompletionPort || g_enmWinVer < kRTWinOSType_NT350);
593 Assert(g_pfnGetQueuedCompletionStatus || g_enmWinVer < kRTWinOSType_NT350);
594 Assert(g_pfnPostQueuedCompletionStatus || g_enmWinVer < kRTWinOSType_NT350);
595
596 /*
597 * Resolve some ntdll.dll APIs that weren't there in early NT versions.
598 */
599 g_pfnNtQueryFullAttributesFile = (PFNNTQUERYFULLATTRIBUTESFILE)GetProcAddress(g_hModNtDll, "NtQueryFullAttributesFile");
600 g_pfnNtDuplicateToken = (PFNNTDUPLICATETOKEN)GetProcAddress( g_hModNtDll, "NtDuplicateToken");
601 g_pfnNtAlertThread = (decltype(NtAlertThread) *)GetProcAddress( g_hModNtDll, "NtAlertThread");
602
603 /*
604 * Resolve the winsock error getter and setter so assertions can save those too.
605 */
606 rtR3InitWinSockApis();
607
608 return rc;
609}
610
611
612DECLHIDDEN(void) rtR3InitNativeObtrusive(uint32_t fFlags)
613{
614 rtR3InitNativeObtrusiveWorker(fFlags);
615}
616
617
618DECLHIDDEN(int) rtR3InitNativeFinal(uint32_t fFlags)
619{
620 /* Nothing to do here. */
621 RT_NOREF_PV(fFlags);
622 return VINF_SUCCESS;
623}
624
625
626/**
627 * Unhandled exception filter callback.
628 *
629 * Will try log stuff.
630 */
631static LONG CALLBACK rtR3WinUnhandledXcptFilter(PEXCEPTION_POINTERS pPtrs)
632{
633 /*
634 * Try get the logger and log exception details.
635 *
636 * Note! We'll be using RTLogLoggerWeak for now, though we should probably add
637 * a less deadlock prone API here and gives up pretty fast if it
638 * cannot get the lock...
639 */
640 PRTLOGGER pLogger = RTLogRelGetDefaultInstanceWeak();
641 if (!pLogger)
642 pLogger = RTLogGetDefaultInstanceWeak();
643 if (pLogger)
644 {
645 RTLogLoggerWeak(pLogger, NULL, "\n!!! rtR3WinUnhandledXcptFilter caught an exception on thread %p in %u !!!\n",
646 RTThreadNativeSelf(), RTProcSelf());
647
648 /*
649 * Dump the exception record.
650 */
651 uintptr_t uXcptPC = 0;
652 PEXCEPTION_RECORD pXcptRec = RT_VALID_PTR(pPtrs) && RT_VALID_PTR(pPtrs->ExceptionRecord) ? pPtrs->ExceptionRecord : NULL;
653 if (pXcptRec)
654 {
655 RTLogLoggerWeak(pLogger, NULL, "\nExceptionCode=%#010x ExceptionFlags=%#010x ExceptionAddress=%p\n",
656 pXcptRec->ExceptionCode, pXcptRec->ExceptionFlags, pXcptRec->ExceptionAddress);
657 for (uint32_t i = 0; i < RT_MIN(pXcptRec->NumberParameters, EXCEPTION_MAXIMUM_PARAMETERS); i++)
658 RTLogLoggerWeak(pLogger, NULL, "ExceptionInformation[%d]=%p\n", i, pXcptRec->ExceptionInformation[i]);
659 uXcptPC = (uintptr_t)pXcptRec->ExceptionAddress;
660
661 /* Nested? Display one level only. */
662 PEXCEPTION_RECORD pNestedRec = pXcptRec->ExceptionRecord;
663 if (RT_VALID_PTR(pNestedRec))
664 {
665 RTLogLoggerWeak(pLogger, NULL, "Nested: ExceptionCode=%#010x ExceptionFlags=%#010x ExceptionAddress=%p (nested %p)\n",
666 pNestedRec->ExceptionCode, pNestedRec->ExceptionFlags, pNestedRec->ExceptionAddress,
667 pNestedRec->ExceptionRecord);
668 for (uint32_t i = 0; i < RT_MIN(pNestedRec->NumberParameters, EXCEPTION_MAXIMUM_PARAMETERS); i++)
669 RTLogLoggerWeak(pLogger, NULL, "Nested: ExceptionInformation[%d]=%p\n", i, pNestedRec->ExceptionInformation[i]);
670 uXcptPC = (uintptr_t)pNestedRec->ExceptionAddress;
671 }
672 }
673
674 /*
675 * Dump the context record.
676 */
677 volatile char szMarker[] = "stackmarker";
678 uintptr_t uXcptSP = (uintptr_t)&szMarker[0];
679 PCONTEXT pXcptCtx = RT_VALID_PTR(pPtrs) && RT_VALID_PTR(pPtrs->ContextRecord) ? pPtrs->ContextRecord : NULL;
680 if (pXcptCtx)
681 {
682#ifdef RT_ARCH_AMD64
683 RTLogLoggerWeak(pLogger, NULL, "\ncs:rip=%04x:%016RX64\n", pXcptCtx->SegCs, pXcptCtx->Rip);
684 RTLogLoggerWeak(pLogger, NULL, "ss:rsp=%04x:%016RX64 rbp=%016RX64\n", pXcptCtx->SegSs, pXcptCtx->Rsp, pXcptCtx->Rbp);
685 RTLogLoggerWeak(pLogger, NULL, "rax=%016RX64 rcx=%016RX64 rdx=%016RX64 rbx=%016RX64\n",
686 pXcptCtx->Rax, pXcptCtx->Rcx, pXcptCtx->Rdx, pXcptCtx->Rbx);
687 RTLogLoggerWeak(pLogger, NULL, "rsi=%016RX64 rdi=%016RX64 rsp=%016RX64 rbp=%016RX64\n",
688 pXcptCtx->Rsi, pXcptCtx->Rdi, pXcptCtx->Rsp, pXcptCtx->Rbp);
689 RTLogLoggerWeak(pLogger, NULL, "r8 =%016RX64 r9 =%016RX64 r10=%016RX64 r11=%016RX64\n",
690 pXcptCtx->R8, pXcptCtx->R9, pXcptCtx->R10, pXcptCtx->R11);
691 RTLogLoggerWeak(pLogger, NULL, "r12=%016RX64 r13=%016RX64 r14=%016RX64 r15=%016RX64\n",
692 pXcptCtx->R12, pXcptCtx->R13, pXcptCtx->R14, pXcptCtx->R15);
693 RTLogLoggerWeak(pLogger, NULL, "ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n",
694 pXcptCtx->SegDs, pXcptCtx->SegEs, pXcptCtx->SegFs, pXcptCtx->SegGs, pXcptCtx->EFlags);
695 RTLogLoggerWeak(pLogger, NULL, "p1home=%016RX64 p2home=%016RX64 pe3home=%016RX64\n",
696 pXcptCtx->P1Home, pXcptCtx->P2Home, pXcptCtx->P3Home);
697 RTLogLoggerWeak(pLogger, NULL, "p4home=%016RX64 p5home=%016RX64 pe6home=%016RX64\n",
698 pXcptCtx->P4Home, pXcptCtx->P5Home, pXcptCtx->P6Home);
699 RTLogLoggerWeak(pLogger, NULL, " LastBranchToRip=%016RX64 LastBranchFromRip=%016RX64\n",
700 pXcptCtx->LastBranchToRip, pXcptCtx->LastBranchFromRip);
701 RTLogLoggerWeak(pLogger, NULL, "LastExceptionToRip=%016RX64 LastExceptionFromRip=%016RX64\n",
702 pXcptCtx->LastExceptionToRip, pXcptCtx->LastExceptionFromRip);
703 uXcptSP = pXcptCtx->Rsp;
704 uXcptPC = pXcptCtx->Rip;
705
706#elif defined(RT_ARCH_X86)
707 RTLogLoggerWeak(pLogger, NULL, "\ncs:eip=%04x:%08RX32\n", pXcptCtx->SegCs, pXcptCtx->Eip);
708 RTLogLoggerWeak(pLogger, NULL, "ss:esp=%04x:%08RX32 ebp=%08RX32\n", pXcptCtx->SegSs, pXcptCtx->Esp, pXcptCtx->Ebp);
709 RTLogLoggerWeak(pLogger, NULL, "eax=%08RX32 ecx=%08RX32 edx=%08RX32 ebx=%08RX32\n",
710 pXcptCtx->Eax, pXcptCtx->Ecx, pXcptCtx->Edx, pXcptCtx->Ebx);
711 RTLogLoggerWeak(pLogger, NULL, "esi=%08RX32 edi=%08RX32 esp=%08RX32 ebp=%08RX32\n",
712 pXcptCtx->Esi, pXcptCtx->Edi, pXcptCtx->Esp, pXcptCtx->Ebp);
713 RTLogLoggerWeak(pLogger, NULL, "ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n",
714 pXcptCtx->SegDs, pXcptCtx->SegEs, pXcptCtx->SegFs, pXcptCtx->SegGs, pXcptCtx->EFlags);
715 uXcptSP = pXcptCtx->Esp;
716 uXcptPC = pXcptCtx->Eip;
717#endif
718 }
719
720 /*
721 * Dump stack.
722 */
723 uintptr_t uStack = (uintptr_t)(void *)&szMarker[0];
724 uStack -= uStack & 15;
725
726 size_t cbToDump = PAGE_SIZE - (uStack & PAGE_OFFSET_MASK);
727 if (cbToDump < 512)
728 cbToDump += PAGE_SIZE;
729 size_t cbToXcpt = uXcptSP - uStack;
730 while (cbToXcpt > cbToDump && cbToXcpt <= _16K)
731 cbToDump += PAGE_SIZE;
732 ULONG_PTR uLow = (uintptr_t)&szMarker[0];
733 ULONG_PTR uHigh = (uintptr_t)&szMarker[0];
734 if (g_pfnGetCurrentThreadStackLimits)
735 {
736 g_pfnGetCurrentThreadStackLimits(&uLow, &uHigh);
737 size_t cbToTop = RT_MAX(uLow, uHigh) - uStack;
738 if (cbToTop < _1M)
739 cbToDump = cbToTop;
740 }
741
742 RTLogLoggerWeak(pLogger, NULL, "\nStack %p, dumping %#x bytes (low=%p, high=%p)\n", uStack, cbToDump, uLow, uHigh);
743 RTLogLoggerWeak(pLogger, NULL, "%.*RhxD\n", cbToDump, uStack);
744
745 /*
746 * Try figure the thread name.
747 *
748 * Note! This involves the thread db lock, so it may deadlock, which
749 * is why it's at the end.
750 */
751 RTLogLoggerWeak(pLogger, NULL, "Thread ID: %p\n", RTThreadNativeSelf());
752 RTLogLoggerWeak(pLogger, NULL, "Thread name: %s\n", RTThreadSelfName());
753 RTLogLoggerWeak(pLogger, NULL, "Thread IPRT: %p\n", RTThreadSelf());
754
755 /*
756 * Try dump the load information.
757 */
758 PPEB pPeb = RTNtCurrentPeb();
759 if (RT_VALID_PTR(pPeb))
760 {
761 PPEB_LDR_DATA pLdrData = pPeb->Ldr;
762 if (RT_VALID_PTR(pLdrData))
763 {
764 PLDR_DATA_TABLE_ENTRY pFound = NULL;
765 LIST_ENTRY * const pList = &pLdrData->InMemoryOrderModuleList;
766 LIST_ENTRY *pListEntry = pList->Flink;
767 uint32_t cLoops = 0;
768 RTLogLoggerWeak(pLogger, NULL,
769 "\nLoaded Modules:\n"
770 "%-*s[*] Timestamp Path\n", sizeof(void *) * 4 + 2 - 1, "Address range"
771 );
772 while (pListEntry != pList && RT_VALID_PTR(pListEntry) && cLoops < 1024)
773 {
774 PLDR_DATA_TABLE_ENTRY pLdrEntry = RT_FROM_MEMBER(pListEntry, LDR_DATA_TABLE_ENTRY, InMemoryOrderLinks);
775 uint32_t const cbLength = (uint32_t)(uintptr_t)pLdrEntry->Reserved3[1];
776 char chInd = ' ';
777 if (uXcptPC - (uintptr_t)pLdrEntry->DllBase < cbLength)
778 {
779 chInd = '*';
780 pFound = pLdrEntry;
781 }
782
783 if ( RT_VALID_PTR(pLdrEntry->FullDllName.Buffer)
784 && pLdrEntry->FullDllName.Length > 0
785 && pLdrEntry->FullDllName.Length < _8K
786 && (pLdrEntry->FullDllName.Length & 1) == 0
787 && pLdrEntry->FullDllName.Length <= pLdrEntry->FullDllName.MaximumLength)
788 RTLogLoggerWeak(pLogger, NULL, "%p..%p%c %08RX32 %.*ls\n",
789 pLdrEntry->DllBase, (uintptr_t)pLdrEntry->DllBase + cbLength - 1, chInd,
790 pLdrEntry->TimeDateStamp, pLdrEntry->FullDllName.Length / sizeof(RTUTF16),
791 pLdrEntry->FullDllName.Buffer);
792 else
793 RTLogLoggerWeak(pLogger, NULL, "%p..%p%c %08RX32 <bad or missing: %p LB %#x max %#x\n",
794 pLdrEntry->DllBase, (uintptr_t)pLdrEntry->DllBase + cbLength - 1, chInd,
795 pLdrEntry->TimeDateStamp, pLdrEntry->FullDllName.Buffer, pLdrEntry->FullDllName.Length,
796 pLdrEntry->FullDllName.MaximumLength);
797
798 /* advance */
799 pListEntry = pListEntry->Flink;
800 cLoops++;
801 }
802
803 /*
804 * Use the above to pick out code addresses on the stack.
805 */
806 if ( cLoops < 1024
807 && uXcptSP - uStack < cbToDump)
808 {
809 RTLogLoggerWeak(pLogger, NULL, "\nPotential code addresses on the stack:\n");
810 if (pFound)
811 {
812 if ( RT_VALID_PTR(pFound->FullDllName.Buffer)
813 && pFound->FullDllName.Length > 0
814 && pFound->FullDllName.Length < _8K
815 && (pFound->FullDllName.Length & 1) == 0
816 && pFound->FullDllName.Length <= pFound->FullDllName.MaximumLength)
817 RTLogLoggerWeak(pLogger, NULL, "%-*s: %p - %#010RX32 bytes into %.*ls\n",
818 sizeof(void *) * 2, "Xcpt PC", uXcptPC, (uint32_t)(uXcptPC - (uintptr_t)pFound->DllBase),
819 pFound->FullDllName.Length / sizeof(RTUTF16), pFound->FullDllName.Buffer);
820 else
821 RTLogLoggerWeak(pLogger, NULL, "%-*s: %p - %08RX32 into module at %p\n",
822 sizeof(void *) * 2, "Xcpt PC", uXcptPC, (uint32_t)(uXcptPC - (uintptr_t)pFound->DllBase),
823 pFound->DllBase);
824 }
825
826 uintptr_t const *puStack = (uintptr_t const *)uXcptSP;
827 uintptr_t cLeft = (cbToDump - (uXcptSP - uStack)) / sizeof(uintptr_t);
828 while (cLeft-- > 0)
829 {
830 uintptr_t uPtr = *puStack;
831 if (RT_VALID_PTR(uPtr))
832 {
833 /* Search the module table. */
834 pFound = NULL;
835 cLoops = 0;
836 pListEntry = pList->Flink;
837 while (pListEntry != pList && RT_VALID_PTR(pListEntry) && cLoops < 1024)
838 {
839 PLDR_DATA_TABLE_ENTRY pLdrEntry = RT_FROM_MEMBER(pListEntry, LDR_DATA_TABLE_ENTRY, InMemoryOrderLinks);
840 uint32_t const cbLength = (uint32_t)(uintptr_t)pLdrEntry->Reserved3[1];
841 if (uPtr - (uintptr_t)pLdrEntry->DllBase < cbLength)
842 {
843 pFound = pLdrEntry;
844 break;
845 }
846
847 /* advance */
848 pListEntry = pListEntry->Flink;
849 cLoops++;
850 }
851
852 if (pFound)
853 {
854 if ( RT_VALID_PTR(pFound->FullDllName.Buffer)
855 && pFound->FullDllName.Length > 0
856 && pFound->FullDllName.Length < _8K
857 && (pFound->FullDllName.Length & 1) == 0
858 && pFound->FullDllName.Length <= pFound->FullDllName.MaximumLength)
859 RTLogLoggerWeak(pLogger, NULL, "%p: %p - %#010RX32 bytes into %.*ls\n",
860 puStack, uPtr, (uint32_t)(uPtr - (uintptr_t)pFound->DllBase),
861 pFound->FullDllName.Length / sizeof(RTUTF16), pFound->FullDllName.Buffer);
862 else
863 RTLogLoggerWeak(pLogger, NULL, "%p: %p - %08RX32 into module at %p\n",
864 puStack, uPtr, (uint32_t)(uPtr - (uintptr_t)pFound->DllBase), pFound->DllBase);
865 }
866 }
867
868 puStack++;
869 }
870 }
871 }
872
873 /*
874 * Dump the command line if we have one. We do this last in case it crashes.
875 */
876 PRTL_USER_PROCESS_PARAMETERS pProcParams = pPeb->ProcessParameters;
877 if (RT_VALID_PTR(pProcParams))
878 {
879 if (RT_VALID_PTR(pProcParams->CommandLine.Buffer)
880 && pProcParams->CommandLine.Length > 0
881 && pProcParams->CommandLine.Length <= pProcParams->CommandLine.MaximumLength
882 && !(pProcParams->CommandLine.Length & 1)
883 && !(pProcParams->CommandLine.MaximumLength & 1))
884 RTLogLoggerWeak(pLogger, NULL, "PEB/CommandLine: %.*ls\n",
885 pProcParams->CommandLine.Length / sizeof(RTUTF16), pProcParams->CommandLine.Buffer);
886 }
887 }
888 }
889
890 /*
891 * Do the default stuff, never mind us.
892 */
893 if (g_pfnUnhandledXcptFilter)
894 return g_pfnUnhandledXcptFilter(pPtrs);
895 return EXCEPTION_CONTINUE_SEARCH;
896}
897
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