init-win.cpp@ 96476

最後變更在這個檔案從96476是 96476,由 vboxsync 提交於 3 年前
IPRT: Resolve IsDebuggerPresent and GetSystemTimeAsFileTime dynamically as they are not present on windows version before NT4. bugref:10261
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1	/* $Id: init-win.cpp 96476 2022-08-25 02:46:22Z 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.alldomusa.eu.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	*********************************************************************************************************************************/
64	typedef VOID (WINAPI *PFNGETCURRENTTHREADSTACKLIMITS)(PULONG_PTR puLow, PULONG_PTR puHigh);
65	typedef LPTOP_LEVEL_EXCEPTION_FILTER (WINAPI * PFNSETUNHANDLEDEXCEPTIONFILTER)(LPTOP_LEVEL_EXCEPTION_FILTER);
66
67
68	/*********************************************************************************************************************************
69	* Global Variables *
70	*********************************************************************************************************************************/
71	/** Windows DLL loader protection level. */
72	DECL_HIDDEN_DATA(RTR3WINLDRPROT) g_enmWinLdrProt = RTR3WINLDRPROT_NONE;
73	/** Our simplified windows version. */
74	DECL_HIDDEN_DATA(RTWINOSTYPE) g_enmWinVer = kRTWinOSType_UNKNOWN;
75	/** Extended windows version information. */
76	DECL_HIDDEN_DATA(OSVERSIONINFOEXW) g_WinOsInfoEx;
77
78	/** The native kernel32.dll handle. */
79	DECL_HIDDEN_DATA(HMODULE) g_hModKernel32 = NULL;
80	/** GetSystemWindowsDirectoryW or GetWindowsDirectoryW (NT4). */
81	DECL_HIDDEN_DATA(PFNGETWINSYSDIR) g_pfnGetSystemWindowsDirectoryW = NULL;
82	/** The GetCurrentThreadStackLimits API. */
83	static PFNGETCURRENTTHREADSTACKLIMITS g_pfnGetCurrentThreadStackLimits = NULL;
84	/** SetUnhandledExceptionFilter. */
85	static PFNSETUNHANDLEDEXCEPTIONFILTER g_pfnSetUnhandledExceptionFilter = NULL;
86	/** The previous unhandled exception filter. */
87	static LPTOP_LEVEL_EXCEPTION_FILTER g_pfnUnhandledXcptFilter = NULL;
88	/** SystemTimeToTzSpecificLocalTime. */
89	DECL_HIDDEN_DATA(decltype(SystemTimeToTzSpecificLocalTime) *) g_pfnSystemTimeToTzSpecificLocalTime = NULL;
90	/** CreateWaitableTimerEx . */
91	DECL_HIDDEN_DATA(PFNCREATEWAITABLETIMEREX) g_pfnCreateWaitableTimerExW = NULL;
92	DECL_HIDDEN_DATA(decltype(GetHandleInformation) *) g_pfnGetHandleInformation = NULL;
93	DECL_HIDDEN_DATA(decltype(SetHandleInformation) *) g_pfnSetHandleInformation = NULL;
94	DECL_HIDDEN_DATA(decltype(IsDebuggerPresent) *) g_pfnIsDebuggerPresent = NULL;
95	DECL_HIDDEN_DATA(decltype(GetSystemTimeAsFileTime) *) g_pfnGetSystemTimeAsFileTime = NULL;
96
97	/** The native ntdll.dll handle. */
98	DECL_HIDDEN_DATA(HMODULE) g_hModNtDll = NULL;
99	/** NtQueryFullAttributesFile */
100	DECL_HIDDEN_DATA(PFNNTQUERYFULLATTRIBUTESFILE) g_pfnNtQueryFullAttributesFile = NULL;
101	/** NtDuplicateToken (NT 3.51). */
102	DECL_HIDDEN_DATA(PFNNTDUPLICATETOKEN) g_pfnNtDuplicateToken = NULL;
103	/** NtAlertThread (NT 3.51). */
104	DECL_HIDDEN_DATA(decltype(NtAlertThread) *) g_pfnNtAlertThread = NULL;
105
106	/** Either ws2_32.dll (NT4+) or wsock32.dll (NT3.x). */
107	DECL_HIDDEN_DATA(HMODULE) g_hModWinSock = NULL;
108	/** Set if we're dealing with old winsock. */
109	DECL_HIDDEN_DATA(bool) g_fOldWinSock = false;
110	/** WSAStartup */
111	DECL_HIDDEN_DATA(PFNWSASTARTUP) g_pfnWSAStartup = NULL;
112	/** WSACleanup */
113	DECL_HIDDEN_DATA(PFNWSACLEANUP) g_pfnWSACleanup = NULL;
114	/** Pointner to WSAGetLastError (for RTErrVarsSave). */
115	DECL_HIDDEN_DATA(PFNWSAGETLASTERROR) g_pfnWSAGetLastError = NULL;
116	/** Pointner to WSASetLastError (for RTErrVarsRestore). */
117	DECL_HIDDEN_DATA(PFNWSASETLASTERROR) g_pfnWSASetLastError = NULL;
118	/** WSACreateEvent */
119	DECL_HIDDEN_DATA(PFNWSACREATEEVENT) g_pfnWSACreateEvent = NULL;
120	/** WSACloseEvent */
121	DECL_HIDDEN_DATA(PFNWSACLOSEEVENT) g_pfnWSACloseEvent = NULL;
122	/** WSASetEvent */
123	DECL_HIDDEN_DATA(PFNWSASETEVENT) g_pfnWSASetEvent = NULL;
124	/** WSAEventSelect */
125	DECL_HIDDEN_DATA(PFNWSAEVENTSELECT) g_pfnWSAEventSelect = NULL;
126	/** WSAEnumNetworkEvents */
127	DECL_HIDDEN_DATA(PFNWSAENUMNETWORKEVENTS) g_pfnWSAEnumNetworkEvents = NULL;
128	/** WSASocketW */
129	DECL_HIDDEN_DATA(PFNWSASOCKETW) g_pfnWSASocketW = NULL;
130	/** WSASend */
131	DECL_HIDDEN_DATA(PFNWSASEND) g_pfnWSASend = NULL;
132	/** socket */
133	DECL_HIDDEN_DATA(PFNWINSOCKSOCKET) g_pfnsocket = NULL;
134	/** closesocket */
135	DECL_HIDDEN_DATA(PFNWINSOCKCLOSESOCKET) g_pfnclosesocket = NULL;
136	/** recv */
137	DECL_HIDDEN_DATA(PFNWINSOCKRECV) g_pfnrecv = NULL;
138	/** send */
139	DECL_HIDDEN_DATA(PFNWINSOCKSEND) g_pfnsend = NULL;
140	/** recvfrom */
141	DECL_HIDDEN_DATA(PFNWINSOCKRECVFROM) g_pfnrecvfrom = NULL;
142	/** sendto */
143	DECL_HIDDEN_DATA(PFNWINSOCKSENDTO) g_pfnsendto = NULL;
144	/** bind */
145	DECL_HIDDEN_DATA(PFNWINSOCKBIND) g_pfnbind = NULL;
146	/** listen */
147	DECL_HIDDEN_DATA(PFNWINSOCKLISTEN) g_pfnlisten = NULL;
148	/** accept */
149	DECL_HIDDEN_DATA(PFNWINSOCKACCEPT) g_pfnaccept = NULL;
150	/** connect */
151	DECL_HIDDEN_DATA(PFNWINSOCKCONNECT) g_pfnconnect = NULL;
152	/** shutdown */
153	DECL_HIDDEN_DATA(PFNWINSOCKSHUTDOWN) g_pfnshutdown = NULL;
154	/** getsockopt */
155	DECL_HIDDEN_DATA(PFNWINSOCKGETSOCKOPT) g_pfngetsockopt = NULL;
156	/** setsockopt */
157	DECL_HIDDEN_DATA(PFNWINSOCKSETSOCKOPT) g_pfnsetsockopt = NULL;
158	/** ioctlsocket */
159	DECL_HIDDEN_DATA(PFNWINSOCKIOCTLSOCKET) g_pfnioctlsocket = NULL;
160	/** getpeername */
161	DECL_HIDDEN_DATA(PFNWINSOCKGETPEERNAME) g_pfngetpeername = NULL;
162	/** getsockname */
163	DECL_HIDDEN_DATA(PFNWINSOCKGETSOCKNAME) g_pfngetsockname = NULL;
164	/** __WSAFDIsSet */
165	DECL_HIDDEN_DATA(PFNWINSOCK__WSAFDISSET) g_pfn__WSAFDIsSet = NULL;
166	/** select */
167	DECL_HIDDEN_DATA(PFNWINSOCKSELECT) g_pfnselect = NULL;
168	/** gethostbyname */
169	DECL_HIDDEN_DATA(PFNWINSOCKGETHOSTBYNAME) g_pfngethostbyname = NULL;
170
171
172	/*********************************************************************************************************************************
173	* Internal Functions *
174	*********************************************************************************************************************************/
175	static LONG CALLBACK rtR3WinUnhandledXcptFilter(PEXCEPTION_POINTERS);
176
177
178	/**
179	* Translates OSVERSIONINOFEX into a Windows OS type.
180	*
181	* @returns The Windows OS type.
182	* @param pOSInfoEx The OS info returned by Windows.
183	*
184	* @remarks This table has been assembled from Usenet postings, personal
185	* observations, and reading other people's code. Please feel
186	* free to add to it or correct it.
187	* <pre>
188	dwPlatFormID dwMajorVersion dwMinorVersion dwBuildNumber
189	95 1 4 0 950
190	95 SP1 1 4 0 >950 && <=1080
191	95 OSR2 1 4 <10 >1080
192	98 1 4 10 1998
193	98 SP1 1 4 10 >1998 && <2183
194	98 SE 1 4 10 >=2183
195	ME 1 4 90 3000
196
197	NT 3.51 2 3 51 1057
198	NT 4 2 4 0 1381
199	2000 2 5 0 2195
200	XP 2 5 1 2600
201	2003 2 5 2 3790
202	Vista 2 6 0
203
204	CE 1.0 3 1 0
205	CE 2.0 3 2 0
206	CE 2.1 3 2 1
207	CE 3.0 3 3 0
208	</pre>
209	*/
210	static RTWINOSTYPE rtR3InitWinSimplifiedVersion(OSVERSIONINFOEXW const *pOSInfoEx)
211	{
212	RTWINOSTYPE enmVer = kRTWinOSType_UNKNOWN;
213	BYTE const bProductType = pOSInfoEx->wProductType;
214	DWORD const dwPlatformId = pOSInfoEx->dwPlatformId;
215	DWORD const dwMinorVersion = pOSInfoEx->dwMinorVersion;
216	DWORD const dwMajorVersion = pOSInfoEx->dwMajorVersion;
217	DWORD const dwBuildNumber = pOSInfoEx->dwBuildNumber & 0xFFFF; /* Win 9x needs this. */
218
219	if ( dwPlatformId == VER_PLATFORM_WIN32_WINDOWS
220	&& dwMajorVersion == 4)
221	{
222	if ( dwMinorVersion < 10
223	&& dwBuildNumber == 950)
224	enmVer = kRTWinOSType_95;
225	else if ( dwMinorVersion < 10
226	&& dwBuildNumber > 950
227	&& dwBuildNumber <= 1080)
228	enmVer = kRTWinOSType_95SP1;
229	else if ( dwMinorVersion < 10
230	&& dwBuildNumber > 1080)
231	enmVer = kRTWinOSType_95OSR2;
232	else if ( dwMinorVersion == 10
233	&& dwBuildNumber == 1998)
234	enmVer = kRTWinOSType_98;
235	else if ( dwMinorVersion == 10
236	&& dwBuildNumber > 1998
237	&& dwBuildNumber < 2183)
238	enmVer = kRTWinOSType_98SP1;
239	else if ( dwMinorVersion == 10
240	&& dwBuildNumber >= 2183)
241	enmVer = kRTWinOSType_98SE;
242	else if (dwMinorVersion == 90)
243	enmVer = kRTWinOSType_ME;
244	}
245	else if (dwPlatformId == VER_PLATFORM_WIN32_NT)
246	{
247	if (dwMajorVersion == 3)
248	{
249	if ( dwMinorVersion < 50)
250	enmVer = kRTWinOSType_NT310;
251	else if (dwMinorVersion == 50)
252	enmVer = kRTWinOSType_NT350;
253	else
254	enmVer = kRTWinOSType_NT351;
255	}
256	else if (dwMajorVersion == 4)
257	enmVer = kRTWinOSType_NT4;
258	else if (dwMajorVersion == 5)
259	{
260	if (dwMinorVersion == 0)
261	enmVer = kRTWinOSType_2K;
262	else if (dwMinorVersion == 1)
263	enmVer = kRTWinOSType_XP;
264	else
265	enmVer = kRTWinOSType_2003;
266	}
267	else if (dwMajorVersion == 6)
268	{
269	if (dwMinorVersion == 0)
270	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2008 : kRTWinOSType_VISTA;
271	else if (dwMinorVersion == 1)
272	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2008R2 : kRTWinOSType_7;
273	else if (dwMinorVersion == 2)
274	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2012 : kRTWinOSType_8;
275	else if (dwMinorVersion == 3)
276	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2012R2 : kRTWinOSType_81;
277	else if (dwMinorVersion == 4)
278	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2016 : kRTWinOSType_10;
279	else
280	enmVer = kRTWinOSType_NT_UNKNOWN;
281	}
282	else if (dwMajorVersion == 10)
283	{
284	if (dwMinorVersion == 0)
285	{
286	/* The version detection for server 2019, server 2022 and windows 11
287	are by build number. Stupid, stupid, Microsoft. */
288	if (bProductType == VER_NT_WORKSTATION)
289	enmVer = dwBuildNumber >= 22000 ? kRTWinOSType_11 : kRTWinOSType_10;
290	else
291	enmVer = dwBuildNumber >= 20348 ? kRTWinOSType_2022
292	: dwBuildNumber >= 17763 ? kRTWinOSType_2019 : kRTWinOSType_2016;
293	}
294	else
295	enmVer = kRTWinOSType_NT_UNKNOWN;
296	}
297	else
298	enmVer = kRTWinOSType_NT_UNKNOWN;
299	}
300
301	return enmVer;
302	}
303
304
305	/**
306	* Initializes the global variables related to windows version.
307	*/
308	static void rtR3InitWindowsVersion(void)
309	{
310	Assert(g_hModNtDll != NULL);
311
312	/*
313	* ASSUMES OSVERSIONINFOEX starts with the exact same layout as OSVERSIONINFO (safe).
314	*/
315	AssertCompileMembersSameSizeAndOffset(OSVERSIONINFOEX, szCSDVersion, OSVERSIONINFO, szCSDVersion);
316	AssertCompileMemberOffset(OSVERSIONINFOEX, wServicePackMajor, sizeof(OSVERSIONINFO));
317
318	/*
319	* Use the NT version of RtlGetVersion (since w2k) so we don't get fooled
320	* by compatability shims.
321	*/
322	RT_ZERO(g_WinOsInfoEx);
323	g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
324
325	LONG (__stdcall pfnRtlGetVersion)(OSVERSIONINFOEXW );
326	(FARPROC )&pfnRtlGetVersion = GetProcAddress(g_hModNtDll, "RtlGetVersion");
327	LONG rcNt = -1;
328	if (pfnRtlGetVersion)
329	rcNt = pfnRtlGetVersion(&g_WinOsInfoEx);
330	if (rcNt != 0)
331	{
332	/*
333	* Couldn't find it or it failed, try the windows version of the API.
334	* The GetVersionExW API was added in NT 3.51.
335	*/
336	RT_ZERO(g_WinOsInfoEx);
337	g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
338
339	BOOL (__stdcall pfnGetVersionExW)(OSVERSIONINFOW );
340	(FARPROC )&pfnGetVersionExW = GetProcAddress(g_hModKernel32, "GetVersionExW");
341
342	if (!pfnGetVersionExW \|\| !pfnGetVersionExW((POSVERSIONINFOW)&g_WinOsInfoEx))
343	{
344	/*
345	* If that didn't work either, just get the basic version bits.
346	*/
347	RT_ZERO(g_WinOsInfoEx);
348	g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
349	if (!pfnGetVersionExW \|\| !pfnGetVersionExW((POSVERSIONINFOW)&g_WinOsInfoEx))
350	Assert(g_WinOsInfoEx.dwPlatformId != VER_PLATFORM_WIN32_NT \|\| g_WinOsInfoEx.dwMajorVersion < 5);
351	else
352	{
353	/*
354	* Okay, nothing worked, so use GetVersion.
355	* This should only happen if we're on NT 3.1 or NT 3.50.
356	* It should never happen for 64-bit builds.
357	*/
358	#ifdef RT_ARCH_X86
359	RT_ZERO(g_WinOsInfoEx);
360	DWORD const dwVersion = GetVersion();
361
362	/* Common fields: */
363	g_WinOsInfoEx.dwMajorVersion = dwVersion & 0xff;
364	g_WinOsInfoEx.dwMinorVersion = (dwVersion >> 8) & 0xff;
365	if (!(dwVersion & RT_BIT_32(31)))
366	g_WinOsInfoEx.dwBuildNumber = dwVersion >> 16;
367	else
368	g_WinOsInfoEx.dwBuildNumber = 511;
369	g_WinOsInfoEx.dwPlatformId = VER_PLATFORM_WIN32_NT;
370	g_WinOsInfoEx.wProductType = VER_NT_WORKSTATION;
371	/** @todo get CSD from registry. */
372	#else
373	AssertBreakpoint();
374	RT_ZERO(g_WinOsInfoEx);
375	#endif
376	}
377	}
378	}
379
380	if (g_WinOsInfoEx.dwOSVersionInfoSize)
381	g_enmWinVer = rtR3InitWinSimplifiedVersion(&g_WinOsInfoEx);
382	}
383
384
385	/**
386	* Resolves the winsock error APIs.
387	*/
388	static void rtR3InitWinSockApis(void)
389	{
390	/*
391	* Try get ws2_32.dll, then try load it, then finally fall back to the old
392	* wsock32.dll. We use RTLdrLoadSystem to the loading as it has all the fancy
393	* logic for safely doing that.
394	*/
395	g_hModWinSock = GetModuleHandleW(L"ws2_32.dll");
396	if (g_hModWinSock == NULL)
397	{
398	RTLDRMOD hLdrMod;
399	int rc = RTLdrLoadSystem("ws2_32.dll", true /fNoUnload/, &hLdrMod);
400	if (RT_FAILURE(rc))
401	{
402	rc = RTLdrLoadSystem("wsock32.dll", true /fNoUnload/, &hLdrMod);
403	if (RT_FAILURE(rc))
404	{
405	AssertMsgFailed(("rc=%Rrc\n", rc));
406	return;
407	}
408	g_fOldWinSock = true;
409	}
410	g_hModWinSock = (HMODULE)RTLdrGetNativeHandle(hLdrMod);
411	RTLdrClose(hLdrMod);
412	}
413
414	g_pfnWSAStartup = (decltype(g_pfnWSAStartup)) GetProcAddress(g_hModWinSock, "WSAStartup");
415	g_pfnWSACleanup = (decltype(g_pfnWSACleanup)) GetProcAddress(g_hModWinSock, "WSACleanup");
416	g_pfnWSAGetLastError = (decltype(g_pfnWSAGetLastError)) GetProcAddress(g_hModWinSock, "WSAGetLastError");
417	g_pfnWSASetLastError = (decltype(g_pfnWSASetLastError)) GetProcAddress(g_hModWinSock, "WSASetLastError");
418	g_pfnWSACreateEvent = (decltype(g_pfnWSACreateEvent)) GetProcAddress(g_hModWinSock, "WSACreateEvent");
419	g_pfnWSACloseEvent = (decltype(g_pfnWSACloseEvent)) GetProcAddress(g_hModWinSock, "WSACloseEvent");
420	g_pfnWSASetEvent = (decltype(g_pfnWSASetEvent)) GetProcAddress(g_hModWinSock, "WSASetEvent");
421	g_pfnWSAEventSelect = (decltype(g_pfnWSAEventSelect)) GetProcAddress(g_hModWinSock, "WSAEventSelect");
422	g_pfnWSAEnumNetworkEvents = (decltype(g_pfnWSAEnumNetworkEvents))GetProcAddress(g_hModWinSock,"WSAEnumNetworkEvents");
423	g_pfnWSASocketW = (decltype(g_pfnWSASocketW)) GetProcAddress(g_hModWinSock, "WSASocketW");
424	g_pfnWSASend = (decltype(g_pfnWSASend)) GetProcAddress(g_hModWinSock, "WSASend");
425	g_pfnsocket = (decltype(g_pfnsocket)) GetProcAddress(g_hModWinSock, "socket");
426	g_pfnclosesocket = (decltype(g_pfnclosesocket)) GetProcAddress(g_hModWinSock, "closesocket");
427	g_pfnrecv = (decltype(g_pfnrecv)) GetProcAddress(g_hModWinSock, "recv");
428	g_pfnsend = (decltype(g_pfnsend)) GetProcAddress(g_hModWinSock, "send");
429	g_pfnrecvfrom = (decltype(g_pfnrecvfrom)) GetProcAddress(g_hModWinSock, "recvfrom");
430	g_pfnsendto = (decltype(g_pfnsendto)) GetProcAddress(g_hModWinSock, "sendto");
431	g_pfnbind = (decltype(g_pfnbind)) GetProcAddress(g_hModWinSock, "bind");
432	g_pfnlisten = (decltype(g_pfnlisten)) GetProcAddress(g_hModWinSock, "listen");
433	g_pfnaccept = (decltype(g_pfnaccept)) GetProcAddress(g_hModWinSock, "accept");
434	g_pfnconnect = (decltype(g_pfnconnect)) GetProcAddress(g_hModWinSock, "connect");
435	g_pfnshutdown = (decltype(g_pfnshutdown)) GetProcAddress(g_hModWinSock, "shutdown");
436	g_pfngetsockopt = (decltype(g_pfngetsockopt)) GetProcAddress(g_hModWinSock, "getsockopt");
437	g_pfnsetsockopt = (decltype(g_pfnsetsockopt)) GetProcAddress(g_hModWinSock, "setsockopt");
438	g_pfnioctlsocket = (decltype(g_pfnioctlsocket)) GetProcAddress(g_hModWinSock, "ioctlsocket");
439	g_pfngetpeername = (decltype(g_pfngetpeername)) GetProcAddress(g_hModWinSock, "getpeername");
440	g_pfngetsockname = (decltype(g_pfngetsockname)) GetProcAddress(g_hModWinSock, "getsockname");
441	g_pfn__WSAFDIsSet = (decltype(g_pfn__WSAFDIsSet)) GetProcAddress(g_hModWinSock, "__WSAFDIsSet");
442	g_pfnselect = (decltype(g_pfnselect)) GetProcAddress(g_hModWinSock, "select");
443	g_pfngethostbyname = (decltype(g_pfngethostbyname)) GetProcAddress(g_hModWinSock, "gethostbyname");
444
445	Assert(g_pfnWSAStartup);
446	Assert(g_pfnWSACleanup);
447	Assert(g_pfnWSAGetLastError);
448	Assert(g_pfnWSASetLastError);
449	Assert(g_pfnWSACreateEvent \|\| g_fOldWinSock);
450	Assert(g_pfnWSACloseEvent \|\| g_fOldWinSock);
451	Assert(g_pfnWSASetEvent \|\| g_fOldWinSock);
452	Assert(g_pfnWSAEventSelect \|\| g_fOldWinSock);
453	Assert(g_pfnWSAEnumNetworkEvents \|\| g_fOldWinSock);
454	Assert(g_pfnWSASocketW \|\| g_fOldWinSock);
455	Assert(g_pfnWSASend \|\| g_fOldWinSock);
456	Assert(g_pfnsocket);
457	Assert(g_pfnclosesocket);
458	Assert(g_pfnrecv);
459	Assert(g_pfnsend);
460	Assert(g_pfnrecvfrom);
461	Assert(g_pfnsendto);
462	Assert(g_pfnbind);
463	Assert(g_pfnlisten);
464	Assert(g_pfnaccept);
465	Assert(g_pfnconnect);
466	Assert(g_pfnshutdown);
467	Assert(g_pfngetsockopt);
468	Assert(g_pfnsetsockopt);
469	Assert(g_pfnioctlsocket);
470	Assert(g_pfngetpeername);
471	Assert(g_pfngetsockname);
472	Assert(g_pfn__WSAFDIsSet);
473	Assert(g_pfnselect);
474	Assert(g_pfngethostbyname);
475	}
476
477
478	static int rtR3InitNativeObtrusiveWorker(uint32_t fFlags)
479	{
480	/*
481	* Disable error popups.
482	*/
483	UINT fOldErrMode = SetErrorMode(SEM_FAILCRITICALERRORS \| SEM_NOOPENFILEERRORBOX);
484	SetErrorMode(SEM_FAILCRITICALERRORS \| SEM_NOOPENFILEERRORBOX \| fOldErrMode);
485
486	/*
487	* Restrict DLL searching for the process on windows versions which allow
488	* us to do so.
489	* - The first trick works on XP SP1+ and disables the searching of the
490	* current directory.
491	* - The second trick is W7 w/ KB2533623 and W8+, it restrict the DLL
492	* searching to the application directory (except when
493	* RTR3INIT_FLAGS_STANDALONE_APP is given) and the System32 directory.
494	*/
495	int rc = VINF_SUCCESS;
496
497	typedef BOOL (WINAPI *PFNSETDLLDIRECTORY)(LPCWSTR);
498	PFNSETDLLDIRECTORY pfnSetDllDir = (PFNSETDLLDIRECTORY)GetProcAddress(g_hModKernel32, "SetDllDirectoryW");
499	if (pfnSetDllDir)
500	{
501	if (pfnSetDllDir(L""))
502	g_enmWinLdrProt = RTR3WINLDRPROT_NO_CWD;
503	else
504	rc = VERR_INTERNAL_ERROR_3;
505	}
506
507	/** @bugref{6861} Observed GUI issues on Vista (32-bit and 64-bit) when using
508	* SetDefaultDllDirectories.
509	* @bugref{8194} Try use SetDefaultDllDirectories on Vista for standalone apps
510	* despite potential GUI issues. */
511	if ( g_enmWinVer > kRTWinOSType_VISTA
512	\|\| (fFlags & RTR3INIT_FLAGS_STANDALONE_APP))
513	{
514	typedef BOOL(WINAPI *PFNSETDEFAULTDLLDIRECTORIES)(DWORD);
515	PFNSETDEFAULTDLLDIRECTORIES pfnSetDefDllDirs;
516	pfnSetDefDllDirs = (PFNSETDEFAULTDLLDIRECTORIES)GetProcAddress(g_hModKernel32, "SetDefaultDllDirectories");
517	if (pfnSetDefDllDirs)
518	{
519	DWORD fDllDirs = LOAD_LIBRARY_SEARCH_SYSTEM32;
520	if (!(fFlags & RTR3INIT_FLAGS_STANDALONE_APP))
521	fDllDirs \|= LOAD_LIBRARY_SEARCH_APPLICATION_DIR;
522	if (pfnSetDefDllDirs(fDllDirs))
523	g_enmWinLdrProt = fDllDirs & LOAD_LIBRARY_SEARCH_APPLICATION_DIR ? RTR3WINLDRPROT_SAFE : RTR3WINLDRPROT_SAFER;
524	else if (RT_SUCCESS(rc))
525	rc = VERR_INTERNAL_ERROR_4;
526	}
527	}
528
529	/*
530	* Register an unhandled exception callback if we can.
531	*/
532	g_pfnGetCurrentThreadStackLimits = (PFNGETCURRENTTHREADSTACKLIMITS)GetProcAddress(g_hModKernel32, "GetCurrentThreadStackLimits");
533	g_pfnSetUnhandledExceptionFilter = (PFNSETUNHANDLEDEXCEPTIONFILTER)GetProcAddress(g_hModKernel32, "SetUnhandledExceptionFilter");
534	if (g_pfnSetUnhandledExceptionFilter && !g_pfnUnhandledXcptFilter)
535	{
536	g_pfnUnhandledXcptFilter = g_pfnSetUnhandledExceptionFilter(rtR3WinUnhandledXcptFilter);
537	AssertStmt(g_pfnUnhandledXcptFilter != rtR3WinUnhandledXcptFilter, g_pfnUnhandledXcptFilter = NULL);
538	}
539
540	return rc;
541	}
542
543
544	DECLHIDDEN(int) rtR3InitNativeFirst(uint32_t fFlags)
545	{
546	/*
547	* Make sure we've got the handles of the two main Windows NT dlls.
548	*/
549	g_hModKernel32 = GetModuleHandleW(L"kernel32.dll");
550	if (g_hModKernel32 == NULL)
551	return VERR_INTERNAL_ERROR_2;
552	g_hModNtDll = GetModuleHandleW(L"ntdll.dll");
553	if (g_hModNtDll == NULL)
554	return VERR_INTERNAL_ERROR_2;
555
556	rtR3InitWindowsVersion();
557
558	int rc = VINF_SUCCESS;
559	if (!(fFlags & RTR3INIT_FLAGS_UNOBTRUSIVE))
560	rc = rtR3InitNativeObtrusiveWorker(fFlags);
561
562	/*
563	* Resolve some kernel32.dll APIs we may need but aren't necessarily
564	* present in older windows versions.
565	*/
566	g_pfnGetSystemWindowsDirectoryW = (PFNGETWINSYSDIR)GetProcAddress(g_hModKernel32, "GetSystemWindowsDirectoryW");
567	if (g_pfnGetSystemWindowsDirectoryW)
568	g_pfnGetSystemWindowsDirectoryW = (PFNGETWINSYSDIR)GetProcAddress(g_hModKernel32, "GetWindowsDirectoryW");
569	g_pfnSystemTimeToTzSpecificLocalTime = (decltype(SystemTimeToTzSpecificLocalTime) *)GetProcAddress(g_hModKernel32, "SystemTimeToTzSpecificLocalTime");
570	g_pfnCreateWaitableTimerExW = (PFNCREATEWAITABLETIMEREX) GetProcAddress(g_hModKernel32, "CreateWaitableTimerExW");
571	g_pfnGetHandleInformation = (decltype(GetHandleInformation) *) GetProcAddress(g_hModKernel32, "GetHandleInformation");
572	g_pfnSetHandleInformation = (decltype(SetHandleInformation) *) GetProcAddress(g_hModKernel32, "SetHandleInformation");
573	g_pfnIsDebuggerPresent = (decltype(IsDebuggerPresent) *) GetProcAddress(g_hModKernel32, "IsDebuggerPresent");
574	g_pfnGetSystemTimeAsFileTime = (decltype(GetSystemTimeAsFileTime) *)GetProcAddress(g_hModKernel32, "GetSystemTimeAsFileTime");
575	Assert(g_pfnSetHandleInformation \|\| g_enmWinVer < kRTWinOSType_NT351);
576	Assert(g_pfnGetHandleInformation \|\| g_enmWinVer < kRTWinOSType_NT351);
577	Assert(g_pfnIsDebuggerPresent \|\| g_enmWinVer < kRTWinOSType_NT4);
578	Assert(g_pfnGetSystemTimeAsFileTime \|\| g_enmWinVer < kRTWinOSType_NT4);
579
580	/*
581	* Resolve some ntdll.dll APIs that weren't there in early NT versions.
582	*/
583	g_pfnNtQueryFullAttributesFile = (PFNNTQUERYFULLATTRIBUTESFILE)GetProcAddress(g_hModNtDll, "NtQueryFullAttributesFile");
584	g_pfnNtDuplicateToken = (PFNNTDUPLICATETOKEN)GetProcAddress( g_hModNtDll, "NtDuplicateToken");
585	g_pfnNtAlertThread = (decltype(NtAlertThread) *)GetProcAddress( g_hModNtDll, "NtAlertThread");
586
587	/*
588	* Resolve the winsock error getter and setter so assertions can save those too.
589	*/
590	rtR3InitWinSockApis();
591
592	return rc;
593	}
594
595
596	DECLHIDDEN(void) rtR3InitNativeObtrusive(uint32_t fFlags)
597	{
598	rtR3InitNativeObtrusiveWorker(fFlags);
599	}
600
601
602	DECLHIDDEN(int) rtR3InitNativeFinal(uint32_t fFlags)
603	{
604	/* Nothing to do here. */
605	RT_NOREF_PV(fFlags);
606	return VINF_SUCCESS;
607	}
608
609
610	/**
611	* Unhandled exception filter callback.
612	*
613	* Will try log stuff.
614	*/
615	static LONG CALLBACK rtR3WinUnhandledXcptFilter(PEXCEPTION_POINTERS pPtrs)
616	{
617	/*
618	* Try get the logger and log exception details.
619	*
620	* Note! We'll be using RTLogLoggerWeak for now, though we should probably add
621	* a less deadlock prone API here and gives up pretty fast if it
622	* cannot get the lock...
623	*/
624	PRTLOGGER pLogger = RTLogRelGetDefaultInstanceWeak();
625	if (!pLogger)
626	pLogger = RTLogGetDefaultInstanceWeak();
627	if (pLogger)
628	{
629	RTLogLoggerWeak(pLogger, NULL, "\n!!! rtR3WinUnhandledXcptFilter caught an exception on thread %p in %u !!!\n",
630	RTThreadNativeSelf(), RTProcSelf());
631
632	/*
633	* Dump the exception record.
634	*/
635	uintptr_t uXcptPC = 0;
636	PEXCEPTION_RECORD pXcptRec = RT_VALID_PTR(pPtrs) && RT_VALID_PTR(pPtrs->ExceptionRecord) ? pPtrs->ExceptionRecord : NULL;
637	if (pXcptRec)
638	{
639	RTLogLoggerWeak(pLogger, NULL, "\nExceptionCode=%#010x ExceptionFlags=%#010x ExceptionAddress=%p\n",
640	pXcptRec->ExceptionCode, pXcptRec->ExceptionFlags, pXcptRec->ExceptionAddress);
641	for (uint32_t i = 0; i < RT_MIN(pXcptRec->NumberParameters, EXCEPTION_MAXIMUM_PARAMETERS); i++)
642	RTLogLoggerWeak(pLogger, NULL, "ExceptionInformation[%d]=%p\n", i, pXcptRec->ExceptionInformation[i]);
643	uXcptPC = (uintptr_t)pXcptRec->ExceptionAddress;
644
645	/* Nested? Display one level only. */
646	PEXCEPTION_RECORD pNestedRec = pXcptRec->ExceptionRecord;
647	if (RT_VALID_PTR(pNestedRec))
648	{
649	RTLogLoggerWeak(pLogger, NULL, "Nested: ExceptionCode=%#010x ExceptionFlags=%#010x ExceptionAddress=%p (nested %p)\n",
650	pNestedRec->ExceptionCode, pNestedRec->ExceptionFlags, pNestedRec->ExceptionAddress,
651	pNestedRec->ExceptionRecord);
652	for (uint32_t i = 0; i < RT_MIN(pNestedRec->NumberParameters, EXCEPTION_MAXIMUM_PARAMETERS); i++)
653	RTLogLoggerWeak(pLogger, NULL, "Nested: ExceptionInformation[%d]=%p\n", i, pNestedRec->ExceptionInformation[i]);
654	uXcptPC = (uintptr_t)pNestedRec->ExceptionAddress;
655	}
656	}
657
658	/*
659	* Dump the context record.
660	*/
661	volatile char szMarker[] = "stackmarker";
662	uintptr_t uXcptSP = (uintptr_t)&szMarker[0];
663	PCONTEXT pXcptCtx = RT_VALID_PTR(pPtrs) && RT_VALID_PTR(pPtrs->ContextRecord) ? pPtrs->ContextRecord : NULL;
664	if (pXcptCtx)
665	{
666	#ifdef RT_ARCH_AMD64
667	RTLogLoggerWeak(pLogger, NULL, "\ncs:rip=%04x:%016RX64\n", pXcptCtx->SegCs, pXcptCtx->Rip);
668	RTLogLoggerWeak(pLogger, NULL, "ss:rsp=%04x:%016RX64 rbp=%016RX64\n", pXcptCtx->SegSs, pXcptCtx->Rsp, pXcptCtx->Rbp);
669	RTLogLoggerWeak(pLogger, NULL, "rax=%016RX64 rcx=%016RX64 rdx=%016RX64 rbx=%016RX64\n",
670	pXcptCtx->Rax, pXcptCtx->Rcx, pXcptCtx->Rdx, pXcptCtx->Rbx);
671	RTLogLoggerWeak(pLogger, NULL, "rsi=%016RX64 rdi=%016RX64 rsp=%016RX64 rbp=%016RX64\n",
672	pXcptCtx->Rsi, pXcptCtx->Rdi, pXcptCtx->Rsp, pXcptCtx->Rbp);
673	RTLogLoggerWeak(pLogger, NULL, "r8 =%016RX64 r9 =%016RX64 r10=%016RX64 r11=%016RX64\n",
674	pXcptCtx->R8, pXcptCtx->R9, pXcptCtx->R10, pXcptCtx->R11);
675	RTLogLoggerWeak(pLogger, NULL, "r12=%016RX64 r13=%016RX64 r14=%016RX64 r15=%016RX64\n",
676	pXcptCtx->R12, pXcptCtx->R13, pXcptCtx->R14, pXcptCtx->R15);
677	RTLogLoggerWeak(pLogger, NULL, "ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n",
678	pXcptCtx->SegDs, pXcptCtx->SegEs, pXcptCtx->SegFs, pXcptCtx->SegGs, pXcptCtx->EFlags);
679	RTLogLoggerWeak(pLogger, NULL, "p1home=%016RX64 p2home=%016RX64 pe3home=%016RX64\n",
680	pXcptCtx->P1Home, pXcptCtx->P2Home, pXcptCtx->P3Home);
681	RTLogLoggerWeak(pLogger, NULL, "p4home=%016RX64 p5home=%016RX64 pe6home=%016RX64\n",
682	pXcptCtx->P4Home, pXcptCtx->P5Home, pXcptCtx->P6Home);
683	RTLogLoggerWeak(pLogger, NULL, " LastBranchToRip=%016RX64 LastBranchFromRip=%016RX64\n",
684	pXcptCtx->LastBranchToRip, pXcptCtx->LastBranchFromRip);
685	RTLogLoggerWeak(pLogger, NULL, "LastExceptionToRip=%016RX64 LastExceptionFromRip=%016RX64\n",
686	pXcptCtx->LastExceptionToRip, pXcptCtx->LastExceptionFromRip);
687	uXcptSP = pXcptCtx->Rsp;
688	uXcptPC = pXcptCtx->Rip;
689
690	#elif defined(RT_ARCH_X86)
691	RTLogLoggerWeak(pLogger, NULL, "\ncs:eip=%04x:%08RX32\n", pXcptCtx->SegCs, pXcptCtx->Eip);
692	RTLogLoggerWeak(pLogger, NULL, "ss:esp=%04x:%08RX32 ebp=%08RX32\n", pXcptCtx->SegSs, pXcptCtx->Esp, pXcptCtx->Ebp);
693	RTLogLoggerWeak(pLogger, NULL, "eax=%08RX32 ecx=%08RX32 edx=%08RX32 ebx=%08RX32\n",
694	pXcptCtx->Eax, pXcptCtx->Ecx, pXcptCtx->Edx, pXcptCtx->Ebx);
695	RTLogLoggerWeak(pLogger, NULL, "esi=%08RX32 edi=%08RX32 esp=%08RX32 ebp=%08RX32\n",
696	pXcptCtx->Esi, pXcptCtx->Edi, pXcptCtx->Esp, pXcptCtx->Ebp);
697	RTLogLoggerWeak(pLogger, NULL, "ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n",
698	pXcptCtx->SegDs, pXcptCtx->SegEs, pXcptCtx->SegFs, pXcptCtx->SegGs, pXcptCtx->EFlags);
699	uXcptSP = pXcptCtx->Esp;
700	uXcptPC = pXcptCtx->Eip;
701	#endif
702	}
703
704	/*
705	* Dump stack.
706	*/
707	uintptr_t uStack = (uintptr_t)(void *)&szMarker[0];
708	uStack -= uStack & 15;
709
710	size_t cbToDump = PAGE_SIZE - (uStack & PAGE_OFFSET_MASK);
711	if (cbToDump < 512)
712	cbToDump += PAGE_SIZE;
713	size_t cbToXcpt = uXcptSP - uStack;
714	while (cbToXcpt > cbToDump && cbToXcpt <= _16K)
715	cbToDump += PAGE_SIZE;
716	ULONG_PTR uLow = (uintptr_t)&szMarker[0];
717	ULONG_PTR uHigh = (uintptr_t)&szMarker[0];
718	if (g_pfnGetCurrentThreadStackLimits)
719	{
720	g_pfnGetCurrentThreadStackLimits(&uLow, &uHigh);
721	size_t cbToTop = RT_MAX(uLow, uHigh) - uStack;
722	if (cbToTop < _1M)
723	cbToDump = cbToTop;
724	}
725
726	RTLogLoggerWeak(pLogger, NULL, "\nStack %p, dumping %#x bytes (low=%p, high=%p)\n", uStack, cbToDump, uLow, uHigh);
727	RTLogLoggerWeak(pLogger, NULL, "%.*RhxD\n", cbToDump, uStack);
728
729	/*
730	* Try figure the thread name.
731	*
732	* Note! This involves the thread db lock, so it may deadlock, which
733	* is why it's at the end.
734	*/
735	RTLogLoggerWeak(pLogger, NULL, "Thread ID: %p\n", RTThreadNativeSelf());
736	RTLogLoggerWeak(pLogger, NULL, "Thread name: %s\n", RTThreadSelfName());
737	RTLogLoggerWeak(pLogger, NULL, "Thread IPRT: %p\n", RTThreadSelf());
738
739	/*
740	* Try dump the load information.
741	*/
742	PPEB pPeb = RTNtCurrentPeb();
743	if (RT_VALID_PTR(pPeb))
744	{
745	PPEB_LDR_DATA pLdrData = pPeb->Ldr;
746	if (RT_VALID_PTR(pLdrData))
747	{
748	PLDR_DATA_TABLE_ENTRY pFound = NULL;
749	LIST_ENTRY * const pList = &pLdrData->InMemoryOrderModuleList;
750	LIST_ENTRY *pListEntry = pList->Flink;
751	uint32_t cLoops = 0;
752	RTLogLoggerWeak(pLogger, NULL,
753	"\nLoaded Modules:\n"
754	"%-s[] Timestamp Path\n", sizeof(void ) 4 + 2 - 1, "Address range"
755	);
756	while (pListEntry != pList && RT_VALID_PTR(pListEntry) && cLoops < 1024)
757	{
758	PLDR_DATA_TABLE_ENTRY pLdrEntry = RT_FROM_MEMBER(pListEntry, LDR_DATA_TABLE_ENTRY, InMemoryOrderLinks);
759	uint32_t const cbLength = (uint32_t)(uintptr_t)pLdrEntry->Reserved3[1];
760	char chInd = ' ';
761	if (uXcptPC - (uintptr_t)pLdrEntry->DllBase < cbLength)
762	{
763	chInd = '*';
764	pFound = pLdrEntry;
765	}
766
767	if ( RT_VALID_PTR(pLdrEntry->FullDllName.Buffer)
768	&& pLdrEntry->FullDllName.Length > 0
769	&& pLdrEntry->FullDllName.Length < _8K
770	&& (pLdrEntry->FullDllName.Length & 1) == 0
771	&& pLdrEntry->FullDllName.Length <= pLdrEntry->FullDllName.MaximumLength)
772	RTLogLoggerWeak(pLogger, NULL, "%p..%p%c %08RX32 %.*ls\n",
773	pLdrEntry->DllBase, (uintptr_t)pLdrEntry->DllBase + cbLength - 1, chInd,
774	pLdrEntry->TimeDateStamp, pLdrEntry->FullDllName.Length / sizeof(RTUTF16),
775	pLdrEntry->FullDllName.Buffer);
776	else
777	RTLogLoggerWeak(pLogger, NULL, "%p..%p%c %08RX32 <bad or missing: %p LB %#x max %#x\n",
778	pLdrEntry->DllBase, (uintptr_t)pLdrEntry->DllBase + cbLength - 1, chInd,
779	pLdrEntry->TimeDateStamp, pLdrEntry->FullDllName.Buffer, pLdrEntry->FullDllName.Length,
780	pLdrEntry->FullDllName.MaximumLength);
781
782	/* advance */
783	pListEntry = pListEntry->Flink;
784	cLoops++;
785	}
786
787	/*
788	* Use the above to pick out code addresses on the stack.
789	*/
790	if ( cLoops < 1024
791	&& uXcptSP - uStack < cbToDump)
792	{
793	RTLogLoggerWeak(pLogger, NULL, "\nPotential code addresses on the stack:\n");
794	if (pFound)
795	{
796	if ( RT_VALID_PTR(pFound->FullDllName.Buffer)
797	&& pFound->FullDllName.Length > 0
798	&& pFound->FullDllName.Length < _8K
799	&& (pFound->FullDllName.Length & 1) == 0
800	&& pFound->FullDllName.Length <= pFound->FullDllName.MaximumLength)
801	RTLogLoggerWeak(pLogger, NULL, "%-s: %p - %#010RX32 bytes into %.ls\n",
802	sizeof(void ) 2, "Xcpt PC", uXcptPC, (uint32_t)(uXcptPC - (uintptr_t)pFound->DllBase),
803	pFound->FullDllName.Length / sizeof(RTUTF16), pFound->FullDllName.Buffer);
804	else
805	RTLogLoggerWeak(pLogger, NULL, "%-*s: %p - %08RX32 into module at %p\n",
806	sizeof(void ) 2, "Xcpt PC", uXcptPC, (uint32_t)(uXcptPC - (uintptr_t)pFound->DllBase),
807	pFound->DllBase);
808	}
809
810	uintptr_t const puStack = (uintptr_t const )uXcptSP;
811	uintptr_t cLeft = (cbToDump - (uXcptSP - uStack)) / sizeof(uintptr_t);
812	while (cLeft-- > 0)
813	{
814	uintptr_t uPtr = *puStack;
815	if (RT_VALID_PTR(uPtr))
816	{
817	/* Search the module table. */
818	pFound = NULL;
819	cLoops = 0;
820	pListEntry = pList->Flink;
821	while (pListEntry != pList && RT_VALID_PTR(pListEntry) && cLoops < 1024)
822	{
823	PLDR_DATA_TABLE_ENTRY pLdrEntry = RT_FROM_MEMBER(pListEntry, LDR_DATA_TABLE_ENTRY, InMemoryOrderLinks);
824	uint32_t const cbLength = (uint32_t)(uintptr_t)pLdrEntry->Reserved3[1];
825	if (uPtr - (uintptr_t)pLdrEntry->DllBase < cbLength)
826	{
827	pFound = pLdrEntry;
828	break;
829	}
830
831	/* advance */
832	pListEntry = pListEntry->Flink;
833	cLoops++;
834	}
835
836	if (pFound)
837	{
838	if ( RT_VALID_PTR(pFound->FullDllName.Buffer)
839	&& pFound->FullDllName.Length > 0
840	&& pFound->FullDllName.Length < _8K
841	&& (pFound->FullDllName.Length & 1) == 0
842	&& pFound->FullDllName.Length <= pFound->FullDllName.MaximumLength)
843	RTLogLoggerWeak(pLogger, NULL, "%p: %p - %#010RX32 bytes into %.*ls\n",
844	puStack, uPtr, (uint32_t)(uPtr - (uintptr_t)pFound->DllBase),
845	pFound->FullDllName.Length / sizeof(RTUTF16), pFound->FullDllName.Buffer);
846	else
847	RTLogLoggerWeak(pLogger, NULL, "%p: %p - %08RX32 into module at %p\n",
848	puStack, uPtr, (uint32_t)(uPtr - (uintptr_t)pFound->DllBase), pFound->DllBase);
849	}
850	}
851
852	puStack++;
853	}
854	}
855	}
856
857	/*
858	* Dump the command line if we have one. We do this last in case it crashes.
859	*/
860	PRTL_USER_PROCESS_PARAMETERS pProcParams = pPeb->ProcessParameters;
861	if (RT_VALID_PTR(pProcParams))
862	{
863	if (RT_VALID_PTR(pProcParams->CommandLine.Buffer)
864	&& pProcParams->CommandLine.Length > 0
865	&& pProcParams->CommandLine.Length <= pProcParams->CommandLine.MaximumLength
866	&& !(pProcParams->CommandLine.Length & 1)
867	&& !(pProcParams->CommandLine.MaximumLength & 1))
868	RTLogLoggerWeak(pLogger, NULL, "PEB/CommandLine: %.*ls\n",
869	pProcParams->CommandLine.Length / sizeof(RTUTF16), pProcParams->CommandLine.Buffer);
870	}
871	}
872	}
873
874	/*
875	* Do the default stuff, never mind us.
876	*/
877	if (g_pfnUnhandledXcptFilter)
878	return g_pfnUnhandledXcptFilter(pPtrs);
879	return EXCEPTION_CONTINUE_SEARCH;
880	}
881

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source: vbox/trunk/src/VBox/Runtime/r3/win/init-win.cpp@ 96476

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