init-win.cpp

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1	/* $Id: init-win.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
2	/** @file
3	* IPRT - Init Ring-3, Windows Specific Code.
4	*/
5
6	/*
7	* Copyright (C) 2006-2024 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	*********************************************************************************************************************************/
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	/** The previous unhandled exception filter. */
85	static LPTOP_LEVEL_EXCEPTION_FILTER g_pfnUnhandledXcptFilter = NULL;
86	/** SystemTimeToTzSpecificLocalTime. */
87	DECL_HIDDEN_DATA(decltype(SystemTimeToTzSpecificLocalTime) *) g_pfnSystemTimeToTzSpecificLocalTime = NULL;
88	/** CreateWaitableTimerEx . */
89	DECL_HIDDEN_DATA(PFNCREATEWAITABLETIMEREX) g_pfnCreateWaitableTimerExW = NULL;
90	DECL_HIDDEN_DATA(decltype(GetHandleInformation) *) g_pfnGetHandleInformation = NULL;
91	DECL_HIDDEN_DATA(decltype(SetHandleInformation) *) g_pfnSetHandleInformation = NULL;
92	DECL_HIDDEN_DATA(decltype(IsDebuggerPresent) *) g_pfnIsDebuggerPresent = NULL;
93	DECL_HIDDEN_DATA(decltype(GetSystemTimeAsFileTime) *) g_pfnGetSystemTimeAsFileTime = NULL;
94	DECL_HIDDEN_DATA(decltype(GetProcessAffinityMask) *) g_pfnGetProcessAffinityMask = NULL;
95	DECL_HIDDEN_DATA(decltype(SetThreadAffinityMask) *) g_pfnSetThreadAffinityMask = NULL;
96	DECL_HIDDEN_DATA(decltype(CreateIoCompletionPort) *) g_pfnCreateIoCompletionPort = NULL;
97	DECL_HIDDEN_DATA(decltype(GetQueuedCompletionStatus) *) g_pfnGetQueuedCompletionStatus = NULL;
98	DECL_HIDDEN_DATA(decltype(PostQueuedCompletionStatus) *) g_pfnPostQueuedCompletionStatus = NULL;
99	DECL_HIDDEN_DATA(decltype(IsProcessorFeaturePresent) *) g_pfnIsProcessorFeaturePresent = NULL;
100	DECL_HIDDEN_DATA(decltype(SetUnhandledExceptionFilter) *) g_pfnSetUnhandledExceptionFilter = NULL;
101	DECL_HIDDEN_DATA(decltype(UnhandledExceptionFilter) *) g_pfnUnhandledExceptionFilter = NULL;
102
103	/** The native ntdll.dll handle. */
104	DECL_HIDDEN_DATA(HMODULE) g_hModNtDll = NULL;
105	/** NtQueryFullAttributesFile */
106	DECL_HIDDEN_DATA(PFNNTQUERYFULLATTRIBUTESFILE) g_pfnNtQueryFullAttributesFile = NULL;
107	/** NtDuplicateToken (NT 3.51). */
108	DECL_HIDDEN_DATA(PFNNTDUPLICATETOKEN) g_pfnNtDuplicateToken = NULL;
109	/** NtAlertThread (NT 3.51). */
110	DECL_HIDDEN_DATA(decltype(NtAlertThread) *) g_pfnNtAlertThread = NULL;
111
112	/** Either ws2_32.dll (NT4+) or wsock32.dll (NT3.x). */
113	DECL_HIDDEN_DATA(HMODULE) g_hModWinSock = NULL;
114	/** Set if we're dealing with old winsock. */
115	DECL_HIDDEN_DATA(bool) g_fOldWinSock = false;
116	/** WSAStartup */
117	DECL_HIDDEN_DATA(PFNWSASTARTUP) g_pfnWSAStartup = NULL;
118	/** WSACleanup */
119	DECL_HIDDEN_DATA(PFNWSACLEANUP) g_pfnWSACleanup = NULL;
120	/** Pointner to WSAGetLastError (for RTErrVarsSave). */
121	DECL_HIDDEN_DATA(PFNWSAGETLASTERROR) g_pfnWSAGetLastError = NULL;
122	/** Pointner to WSASetLastError (for RTErrVarsRestore). */
123	DECL_HIDDEN_DATA(PFNWSASETLASTERROR) g_pfnWSASetLastError = NULL;
124	/** WSACreateEvent */
125	DECL_HIDDEN_DATA(PFNWSACREATEEVENT) g_pfnWSACreateEvent = NULL;
126	/** WSACloseEvent */
127	DECL_HIDDEN_DATA(PFNWSACLOSEEVENT) g_pfnWSACloseEvent = NULL;
128	/** WSASetEvent */
129	DECL_HIDDEN_DATA(PFNWSASETEVENT) g_pfnWSASetEvent = NULL;
130	/** WSAEventSelect */
131	DECL_HIDDEN_DATA(PFNWSAEVENTSELECT) g_pfnWSAEventSelect = NULL;
132	/** WSAEnumNetworkEvents */
133	DECL_HIDDEN_DATA(PFNWSAENUMNETWORKEVENTS) g_pfnWSAEnumNetworkEvents = NULL;
134	/** WSASocketW */
135	DECL_HIDDEN_DATA(PFNWSASOCKETW) g_pfnWSASocketW = NULL;
136	/** WSASend */
137	DECL_HIDDEN_DATA(PFNWSASEND) g_pfnWSASend = NULL;
138	/** WSAIoctl */
139	DECL_HIDDEN_DATA(PFNWSAIOCTL) g_pfnWSAIoctl = NULL;
140	/** socket */
141	DECL_HIDDEN_DATA(PFNWINSOCKSOCKET) g_pfnsocket = NULL;
142	/** closesocket */
143	DECL_HIDDEN_DATA(PFNWINSOCKCLOSESOCKET) g_pfnclosesocket = NULL;
144	/** recv */
145	DECL_HIDDEN_DATA(PFNWINSOCKRECV) g_pfnrecv = NULL;
146	/** send */
147	DECL_HIDDEN_DATA(PFNWINSOCKSEND) g_pfnsend = NULL;
148	/** recvfrom */
149	DECL_HIDDEN_DATA(PFNWINSOCKRECVFROM) g_pfnrecvfrom = NULL;
150	/** sendto */
151	DECL_HIDDEN_DATA(PFNWINSOCKSENDTO) g_pfnsendto = NULL;
152	/** bind */
153	DECL_HIDDEN_DATA(PFNWINSOCKBIND) g_pfnbind = NULL;
154	/** listen */
155	DECL_HIDDEN_DATA(PFNWINSOCKLISTEN) g_pfnlisten = NULL;
156	/** accept */
157	DECL_HIDDEN_DATA(PFNWINSOCKACCEPT) g_pfnaccept = NULL;
158	/** connect */
159	DECL_HIDDEN_DATA(PFNWINSOCKCONNECT) g_pfnconnect = NULL;
160	/** shutdown */
161	DECL_HIDDEN_DATA(PFNWINSOCKSHUTDOWN) g_pfnshutdown = NULL;
162	/** getsockopt */
163	DECL_HIDDEN_DATA(PFNWINSOCKGETSOCKOPT) g_pfngetsockopt = NULL;
164	/** setsockopt */
165	DECL_HIDDEN_DATA(PFNWINSOCKSETSOCKOPT) g_pfnsetsockopt = NULL;
166	/** ioctlsocket */
167	DECL_HIDDEN_DATA(PFNWINSOCKIOCTLSOCKET) g_pfnioctlsocket = NULL;
168	/** getpeername */
169	DECL_HIDDEN_DATA(PFNWINSOCKGETPEERNAME) g_pfngetpeername = NULL;
170	/** getsockname */
171	DECL_HIDDEN_DATA(PFNWINSOCKGETSOCKNAME) g_pfngetsockname = NULL;
172	/** __WSAFDIsSet */
173	DECL_HIDDEN_DATA(PFNWINSOCK__WSAFDISSET) g_pfn__WSAFDIsSet = NULL;
174	/** select */
175	DECL_HIDDEN_DATA(PFNWINSOCKSELECT) g_pfnselect = NULL;
176	/** gethostbyname */
177	DECL_HIDDEN_DATA(PFNWINSOCKGETHOSTBYNAME) g_pfngethostbyname = NULL;
178
179
180	/*********************************************************************************************************************************
181	* Internal Functions *
182	*********************************************************************************************************************************/
183	static LONG CALLBACK rtR3WinUnhandledXcptFilter(PEXCEPTION_POINTERS);
184
185
186	/**
187	* Translates OSVERSIONINOFEX into a Windows OS type.
188	*
189	* @returns The Windows OS type.
190	* @param pOSInfoEx The OS info returned by Windows.
191	*
192	* @remarks This table has been assembled from Usenet postings, personal
193	* observations, and reading other people's code. Please feel
194	* free to add to it or correct it.
195	* <pre>
196	dwPlatFormID dwMajorVersion dwMinorVersion dwBuildNumber
197	95 1 4 0 950
198	95 SP1 1 4 0 >950 && <=1080
199	95 OSR2 1 4 <10 >1080
200	98 1 4 10 1998
201	98 SP1 1 4 10 >1998 && <2183
202	98 SE 1 4 10 >=2183
203	ME 1 4 90 3000
204
205	NT 3.51 2 3 51 1057
206	NT 4 2 4 0 1381
207	2000 2 5 0 2195
208	XP 2 5 1 2600
209	2003 2 5 2 3790
210	Vista 2 6 0
211
212	CE 1.0 3 1 0
213	CE 2.0 3 2 0
214	CE 2.1 3 2 1
215	CE 3.0 3 3 0
216	</pre>
217	*/
218	static RTWINOSTYPE rtR3InitWinSimplifiedVersion(OSVERSIONINFOEXW const *pOSInfoEx)
219	{
220	RTWINOSTYPE enmVer = kRTWinOSType_UNKNOWN;
221	BYTE const bProductType = pOSInfoEx->wProductType;
222	DWORD const dwPlatformId = pOSInfoEx->dwPlatformId;
223	DWORD const dwMinorVersion = pOSInfoEx->dwMinorVersion;
224	DWORD const dwMajorVersion = pOSInfoEx->dwMajorVersion;
225	DWORD const dwBuildNumber = pOSInfoEx->dwBuildNumber & 0xFFFF; /* Win 9x needs this. */
226
227	if ( dwPlatformId == VER_PLATFORM_WIN32_WINDOWS
228	&& dwMajorVersion == 4)
229	{
230	if ( dwMinorVersion < 10
231	&& dwBuildNumber == 950)
232	enmVer = kRTWinOSType_95;
233	else if ( dwMinorVersion < 10
234	&& dwBuildNumber > 950
235	&& dwBuildNumber <= 1080)
236	enmVer = kRTWinOSType_95SP1;
237	else if ( dwMinorVersion < 10
238	&& dwBuildNumber > 1080)
239	enmVer = kRTWinOSType_95OSR2;
240	else if ( dwMinorVersion == 10
241	&& dwBuildNumber == 1998)
242	enmVer = kRTWinOSType_98;
243	else if ( dwMinorVersion == 10
244	&& dwBuildNumber > 1998
245	&& dwBuildNumber < 2183)
246	enmVer = kRTWinOSType_98SP1;
247	else if ( dwMinorVersion == 10
248	&& dwBuildNumber >= 2183)
249	enmVer = kRTWinOSType_98SE;
250	else if (dwMinorVersion == 90)
251	enmVer = kRTWinOSType_ME;
252	}
253	else if (dwPlatformId == VER_PLATFORM_WIN32_NT)
254	{
255	if (dwMajorVersion == 3)
256	{
257	if ( dwMinorVersion < 50)
258	enmVer = kRTWinOSType_NT310;
259	else if (dwMinorVersion == 50)
260	enmVer = kRTWinOSType_NT350;
261	else
262	enmVer = kRTWinOSType_NT351;
263	}
264	else if (dwMajorVersion == 4)
265	enmVer = kRTWinOSType_NT4;
266	else if (dwMajorVersion == 5)
267	{
268	if (dwMinorVersion == 0)
269	enmVer = kRTWinOSType_2K;
270	else if (dwMinorVersion == 1)
271	enmVer = kRTWinOSType_XP;
272	else
273	enmVer = kRTWinOSType_2003;
274	}
275	else if (dwMajorVersion == 6)
276	{
277	if (dwMinorVersion == 0)
278	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2008 : kRTWinOSType_VISTA;
279	else if (dwMinorVersion == 1)
280	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2008R2 : kRTWinOSType_7;
281	else if (dwMinorVersion == 2)
282	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2012 : kRTWinOSType_8;
283	else if (dwMinorVersion == 3)
284	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2012R2 : kRTWinOSType_81;
285	else if (dwMinorVersion == 4)
286	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2016 : kRTWinOSType_10;
287	else
288	enmVer = kRTWinOSType_NT_UNKNOWN;
289	}
290	else if (dwMajorVersion == 10)
291	{
292	if (dwMinorVersion == 0)
293	{
294	/* The version detection for server 2019, server 2022 and windows 11
295	are by build number. Stupid, stupid, Microsoft. */
296	if (bProductType == VER_NT_WORKSTATION)
297	enmVer = dwBuildNumber >= 22000 ? kRTWinOSType_11 : kRTWinOSType_10;
298	else
299	enmVer = dwBuildNumber >= 20348 ? kRTWinOSType_2022
300	: dwBuildNumber >= 17763 ? kRTWinOSType_2019 : kRTWinOSType_2016;
301	}
302	else
303	enmVer = kRTWinOSType_NT_UNKNOWN;
304	}
305	else
306	enmVer = kRTWinOSType_NT_UNKNOWN;
307	}
308
309	return enmVer;
310	}
311
312
313	/**
314	* Initializes the global variables related to windows version.
315	*/
316	static void rtR3InitWindowsVersion(void)
317	{
318	Assert(g_hModNtDll != NULL);
319
320	/*
321	* ASSUMES OSVERSIONINFOEX starts with the exact same layout as OSVERSIONINFO (safe).
322	*/
323	AssertCompileMembersSameSizeAndOffset(OSVERSIONINFOEX, szCSDVersion, OSVERSIONINFO, szCSDVersion);
324	AssertCompileMemberOffset(OSVERSIONINFOEX, wServicePackMajor, sizeof(OSVERSIONINFO));
325
326	/*
327	* Use the NT version of RtlGetVersion (since w2k) so we don't get fooled
328	* by the standard compatibility shims. (Sandboxes may still fool us.)
329	*
330	* Note! This API was added in windows 2000 together with the extended
331	* version info structure (OSVERSIONINFOEXW), so there is no need
332	* to retry with the smaller version (OSVERSIONINFOW).
333	*/
334	RT_ZERO(g_WinOsInfoEx);
335	g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
336
337	LONG (__stdcall pfnRtlGetVersion)(OSVERSIONINFOEXW );
338	(FARPROC )&pfnRtlGetVersion = GetProcAddress(g_hModNtDll, "RtlGetVersion");
339	LONG rcNt = -1;
340	if (pfnRtlGetVersion)
341	rcNt = pfnRtlGetVersion(&g_WinOsInfoEx);
342	if (rcNt != 0)
343	{
344	/*
345	* Couldn't find it or it failed, try the windows version of the API.
346	* The GetVersionExW API was added in NT 3.51, however only the small
347	* structure version existed till windows 2000. We'll try the larger
348	* structure version first, anyway, just in case.
349	*/
350	RT_ZERO(g_WinOsInfoEx);
351	g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
352
353	BOOL (__stdcall pfnGetVersionExW)(OSVERSIONINFOW );
354	(FARPROC )&pfnGetVersionExW = GetProcAddress(g_hModKernel32, "GetVersionExW");
355
356	if (!pfnGetVersionExW \|\| !pfnGetVersionExW((POSVERSIONINFOW)&g_WinOsInfoEx))
357	{
358	/*
359	* If that didn't work either, just get the basic version bits.
360	*/
361	RT_ZERO(g_WinOsInfoEx);
362	g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
363	if (pfnGetVersionExW && pfnGetVersionExW((POSVERSIONINFOW)&g_WinOsInfoEx))
364	Assert(g_WinOsInfoEx.dwPlatformId != VER_PLATFORM_WIN32_NT \|\| g_WinOsInfoEx.dwMajorVersion < 5);
365	else
366	{
367	/*
368	* Okay, nothing worked, so use GetVersion.
369	*
370	* This should only happen if we're on NT 3.1 or NT 3.50.
371	* It should never happen for 64-bit builds.
372	*/
373	#ifdef RT_ARCH_X86
374	RT_ZERO(g_WinOsInfoEx);
375	DWORD const dwVersion = GetVersion();
376
377	/* Common fields: */
378	g_WinOsInfoEx.dwMajorVersion = dwVersion & 0xff;
379	g_WinOsInfoEx.dwMinorVersion = (dwVersion >> 8) & 0xff;
380	if (!(dwVersion & RT_BIT_32(31)))
381	g_WinOsInfoEx.dwBuildNumber = dwVersion >> 16;
382	else
383	g_WinOsInfoEx.dwBuildNumber = 511;
384	g_WinOsInfoEx.dwPlatformId = VER_PLATFORM_WIN32_NT;
385	/** @todo get CSD from registry. */
386	#else
387	AssertBreakpoint();
388	RT_ZERO(g_WinOsInfoEx);
389	#endif
390	}
391
392	#ifdef RT_ARCH_X86
393	/*
394	* Fill in some of the extended info too.
395	*/
396	g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW); /* Pretend. */
397	g_WinOsInfoEx.wProductType = VER_NT_WORKSTATION;
398	NT_PRODUCT_TYPE enmProdType = NtProductWinNt;
399	if (RtlGetNtProductType(&enmProdType))
400	g_WinOsInfoEx.wProductType = (BYTE)enmProdType;
401	/** @todo parse the CSD string to figure that version. */
402	#endif
403	}
404	}
405
406	if (g_WinOsInfoEx.dwOSVersionInfoSize)
407	g_enmWinVer = rtR3InitWinSimplifiedVersion(&g_WinOsInfoEx);
408	}
409
410
411	/**
412	* Resolves the winsock error APIs.
413	*/
414	static void rtR3InitWinSockApis(void)
415	{
416	/*
417	* Try get ws2_32.dll, then try load it, then finally fall back to the old
418	* wsock32.dll. We use RTLdrLoadSystem to the loading as it has all the fancy
419	* logic for safely doing that.
420	*/
421	g_hModWinSock = GetModuleHandleW(L"ws2_32.dll");
422	if (g_hModWinSock == NULL)
423	{
424	RTLDRMOD hLdrMod;
425	int rc = RTLdrLoadSystem("ws2_32.dll", true /fNoUnload/, &hLdrMod);
426	if (RT_FAILURE(rc))
427	{
428	rc = RTLdrLoadSystem("wsock32.dll", true /fNoUnload/, &hLdrMod);
429	if (RT_FAILURE(rc))
430	{
431	AssertMsgFailed(("rc=%Rrc\n", rc));
432	return;
433	}
434	g_fOldWinSock = true;
435	}
436	g_hModWinSock = (HMODULE)RTLdrGetNativeHandle(hLdrMod);
437	RTLdrClose(hLdrMod);
438	}
439
440	g_pfnWSAStartup = (decltype(g_pfnWSAStartup)) GetProcAddress(g_hModWinSock, "WSAStartup");
441	g_pfnWSACleanup = (decltype(g_pfnWSACleanup)) GetProcAddress(g_hModWinSock, "WSACleanup");
442	g_pfnWSAGetLastError = (decltype(g_pfnWSAGetLastError)) GetProcAddress(g_hModWinSock, "WSAGetLastError");
443	g_pfnWSASetLastError = (decltype(g_pfnWSASetLastError)) GetProcAddress(g_hModWinSock, "WSASetLastError");
444	g_pfnWSACreateEvent = (decltype(g_pfnWSACreateEvent)) GetProcAddress(g_hModWinSock, "WSACreateEvent");
445	g_pfnWSACloseEvent = (decltype(g_pfnWSACloseEvent)) GetProcAddress(g_hModWinSock, "WSACloseEvent");
446	g_pfnWSASetEvent = (decltype(g_pfnWSASetEvent)) GetProcAddress(g_hModWinSock, "WSASetEvent");
447	g_pfnWSAEventSelect = (decltype(g_pfnWSAEventSelect)) GetProcAddress(g_hModWinSock, "WSAEventSelect");
448	g_pfnWSAEnumNetworkEvents = (decltype(g_pfnWSAEnumNetworkEvents))GetProcAddress(g_hModWinSock,"WSAEnumNetworkEvents");
449	g_pfnWSASocketW = (decltype(g_pfnWSASocketW)) GetProcAddress(g_hModWinSock, "WSASocketW");
450	g_pfnWSASend = (decltype(g_pfnWSASend)) GetProcAddress(g_hModWinSock, "WSASend");
451	g_pfnWSAIoctl = (decltype(g_pfnWSAIoctl)) GetProcAddress(g_hModWinSock, "WSAIoctl");
452	g_pfnsocket = (decltype(g_pfnsocket)) GetProcAddress(g_hModWinSock, "socket");
453	g_pfnclosesocket = (decltype(g_pfnclosesocket)) GetProcAddress(g_hModWinSock, "closesocket");
454	g_pfnrecv = (decltype(g_pfnrecv)) GetProcAddress(g_hModWinSock, "recv");
455	g_pfnsend = (decltype(g_pfnsend)) GetProcAddress(g_hModWinSock, "send");
456	g_pfnrecvfrom = (decltype(g_pfnrecvfrom)) GetProcAddress(g_hModWinSock, "recvfrom");
457	g_pfnsendto = (decltype(g_pfnsendto)) GetProcAddress(g_hModWinSock, "sendto");
458	g_pfnbind = (decltype(g_pfnbind)) GetProcAddress(g_hModWinSock, "bind");
459	g_pfnlisten = (decltype(g_pfnlisten)) GetProcAddress(g_hModWinSock, "listen");
460	g_pfnaccept = (decltype(g_pfnaccept)) GetProcAddress(g_hModWinSock, "accept");
461	g_pfnconnect = (decltype(g_pfnconnect)) GetProcAddress(g_hModWinSock, "connect");
462	g_pfnshutdown = (decltype(g_pfnshutdown)) GetProcAddress(g_hModWinSock, "shutdown");
463	g_pfngetsockopt = (decltype(g_pfngetsockopt)) GetProcAddress(g_hModWinSock, "getsockopt");
464	g_pfnsetsockopt = (decltype(g_pfnsetsockopt)) GetProcAddress(g_hModWinSock, "setsockopt");
465	g_pfnioctlsocket = (decltype(g_pfnioctlsocket)) GetProcAddress(g_hModWinSock, "ioctlsocket");
466	g_pfngetpeername = (decltype(g_pfngetpeername)) GetProcAddress(g_hModWinSock, "getpeername");
467	g_pfngetsockname = (decltype(g_pfngetsockname)) GetProcAddress(g_hModWinSock, "getsockname");
468	g_pfn__WSAFDIsSet = (decltype(g_pfn__WSAFDIsSet)) GetProcAddress(g_hModWinSock, "__WSAFDIsSet");
469	g_pfnselect = (decltype(g_pfnselect)) GetProcAddress(g_hModWinSock, "select");
470	g_pfngethostbyname = (decltype(g_pfngethostbyname)) GetProcAddress(g_hModWinSock, "gethostbyname");
471
472	Assert(g_pfnWSAStartup);
473	Assert(g_pfnWSACleanup);
474	Assert(g_pfnWSAGetLastError);
475	Assert(g_pfnWSASetLastError);
476	Assert(g_pfnWSACreateEvent \|\| g_fOldWinSock);
477	Assert(g_pfnWSACloseEvent \|\| g_fOldWinSock);
478	Assert(g_pfnWSASetEvent \|\| g_fOldWinSock);
479	Assert(g_pfnWSAEventSelect \|\| g_fOldWinSock);
480	Assert(g_pfnWSAEnumNetworkEvents \|\| g_fOldWinSock);
481	Assert(g_pfnWSASocketW \|\| g_fOldWinSock);
482	Assert(g_pfnWSASend \|\| g_fOldWinSock);
483	Assert(g_pfnWSAIoctl \|\| g_fOldWinSock);
484	Assert(g_pfnsocket);
485	Assert(g_pfnclosesocket);
486	Assert(g_pfnrecv);
487	Assert(g_pfnsend);
488	Assert(g_pfnrecvfrom);
489	Assert(g_pfnsendto);
490	Assert(g_pfnbind);
491	Assert(g_pfnlisten);
492	Assert(g_pfnaccept);
493	Assert(g_pfnconnect);
494	Assert(g_pfnshutdown);
495	Assert(g_pfngetsockopt);
496	Assert(g_pfnsetsockopt);
497	Assert(g_pfnioctlsocket);
498	Assert(g_pfngetpeername);
499	Assert(g_pfngetsockname);
500	Assert(g_pfn__WSAFDIsSet);
501	Assert(g_pfnselect);
502	Assert(g_pfngethostbyname);
503	}
504
505
506	static int rtR3InitNativeObtrusiveWorker(uint32_t fFlags)
507	{
508	/*
509	* Disable error popups.
510	*/
511	UINT fOldErrMode = SetErrorMode(SEM_FAILCRITICALERRORS \| SEM_NOOPENFILEERRORBOX);
512	SetErrorMode(SEM_FAILCRITICALERRORS \| SEM_NOOPENFILEERRORBOX \| fOldErrMode);
513
514	/*
515	* Restrict DLL searching for the process on windows versions which allow
516	* us to do so.
517	* - The first trick works on XP SP1+ and disables the searching of the
518	* current directory.
519	* - The second trick is W7 w/ KB2533623 and W8+, it restrict the DLL
520	* searching to the application directory (except when
521	* RTR3INIT_FLAGS_STANDALONE_APP is given) and the System32 directory.
522	*/
523	int rc = VINF_SUCCESS;
524
525	typedef BOOL (WINAPI *PFNSETDLLDIRECTORY)(LPCWSTR);
526	PFNSETDLLDIRECTORY pfnSetDllDir = (PFNSETDLLDIRECTORY)GetProcAddress(g_hModKernel32, "SetDllDirectoryW");
527	if (pfnSetDllDir)
528	{
529	if (pfnSetDllDir(L""))
530	g_enmWinLdrProt = RTR3WINLDRPROT_NO_CWD;
531	else
532	rc = VERR_INTERNAL_ERROR_3;
533	}
534
535	/** @bugref{6861} Observed GUI issues on Vista (32-bit and 64-bit) when using
536	* SetDefaultDllDirectories.
537	* @bugref{8194} Try use SetDefaultDllDirectories on Vista for standalone apps
538	* despite potential GUI issues. */
539	if ( g_enmWinVer > kRTWinOSType_VISTA
540	\|\| (fFlags & RTR3INIT_FLAGS_STANDALONE_APP))
541	{
542	typedef BOOL(WINAPI *PFNSETDEFAULTDLLDIRECTORIES)(DWORD);
543	PFNSETDEFAULTDLLDIRECTORIES pfnSetDefDllDirs;
544	pfnSetDefDllDirs = (PFNSETDEFAULTDLLDIRECTORIES)GetProcAddress(g_hModKernel32, "SetDefaultDllDirectories");
545	if (pfnSetDefDllDirs)
546	{
547	DWORD fDllDirs = LOAD_LIBRARY_SEARCH_SYSTEM32;
548	if (!(fFlags & RTR3INIT_FLAGS_STANDALONE_APP))
549	fDllDirs \|= LOAD_LIBRARY_SEARCH_APPLICATION_DIR;
550	if (pfnSetDefDllDirs(fDllDirs))
551	g_enmWinLdrProt = fDllDirs & LOAD_LIBRARY_SEARCH_APPLICATION_DIR ? RTR3WINLDRPROT_SAFE : RTR3WINLDRPROT_SAFER;
552	else if (RT_SUCCESS(rc))
553	rc = VERR_INTERNAL_ERROR_4;
554	}
555	}
556
557	/*
558	* Register an unhandled exception callback if we can.
559	*/
560	g_pfnGetCurrentThreadStackLimits = (PFNGETCURRENTTHREADSTACKLIMITS)GetProcAddress(g_hModKernel32, "GetCurrentThreadStackLimits");
561	g_pfnSetUnhandledExceptionFilter = (decltype(SetUnhandledExceptionFilter) *)GetProcAddress(g_hModKernel32, "SetUnhandledExceptionFilter");
562	g_pfnUnhandledExceptionFilter = (decltype(UnhandledExceptionFilter) *) GetProcAddress(g_hModKernel32, "UnhandledExceptionFilter");
563	if (g_pfnSetUnhandledExceptionFilter && !g_pfnUnhandledXcptFilter)
564	{
565	g_pfnUnhandledXcptFilter = g_pfnSetUnhandledExceptionFilter(rtR3WinUnhandledXcptFilter);
566	AssertStmt(g_pfnUnhandledXcptFilter != rtR3WinUnhandledXcptFilter, g_pfnUnhandledXcptFilter = NULL);
567	}
568
569	return rc;
570	}
571
572
573	DECLHIDDEN(int) rtR3InitNativeFirst(uint32_t fFlags)
574	{
575	/*
576	* Make sure we've got the handles of the two main Windows NT dlls.
577	*/
578	g_hModKernel32 = GetModuleHandleW(L"kernel32.dll");
579	if (g_hModKernel32 == NULL)
580	return VERR_INTERNAL_ERROR_2;
581	g_hModNtDll = GetModuleHandleW(L"ntdll.dll");
582	if (g_hModNtDll == NULL)
583	return VERR_INTERNAL_ERROR_2;
584
585	rtR3InitWindowsVersion();
586
587	int rc = VINF_SUCCESS;
588	if (!(fFlags & RTR3INIT_FLAGS_UNOBTRUSIVE))
589	rc = rtR3InitNativeObtrusiveWorker(fFlags);
590
591	/*
592	* Resolve some kernel32.dll APIs we may need but aren't necessarily
593	* present in older windows versions.
594	*/
595	g_pfnGetSystemWindowsDirectoryW = (PFNGETWINSYSDIR)GetProcAddress(g_hModKernel32, "GetSystemWindowsDirectoryW");
596	if (g_pfnGetSystemWindowsDirectoryW)
597	g_pfnGetSystemWindowsDirectoryW = (PFNGETWINSYSDIR)GetProcAddress(g_hModKernel32, "GetWindowsDirectoryW");
598	g_pfnSystemTimeToTzSpecificLocalTime = (decltype(SystemTimeToTzSpecificLocalTime) *)GetProcAddress(g_hModKernel32, "SystemTimeToTzSpecificLocalTime");
599	g_pfnCreateWaitableTimerExW = (PFNCREATEWAITABLETIMEREX) GetProcAddress(g_hModKernel32, "CreateWaitableTimerExW");
600	g_pfnGetHandleInformation = (decltype(GetHandleInformation) *) GetProcAddress(g_hModKernel32, "GetHandleInformation");
601	g_pfnSetHandleInformation = (decltype(SetHandleInformation) *) GetProcAddress(g_hModKernel32, "SetHandleInformation");
602	g_pfnIsDebuggerPresent = (decltype(IsDebuggerPresent) *) GetProcAddress(g_hModKernel32, "IsDebuggerPresent");
603	g_pfnGetSystemTimeAsFileTime = (decltype(GetSystemTimeAsFileTime) *) GetProcAddress(g_hModKernel32, "GetSystemTimeAsFileTime");
604	g_pfnGetProcessAffinityMask = (decltype(GetProcessAffinityMask) *) GetProcAddress(g_hModKernel32, "GetProcessAffinityMask");
605	g_pfnSetThreadAffinityMask = (decltype(SetThreadAffinityMask) *) GetProcAddress(g_hModKernel32, "SetThreadAffinityMask");
606	g_pfnCreateIoCompletionPort = (decltype(CreateIoCompletionPort) *) GetProcAddress(g_hModKernel32, "CreateIoCompletionPort");
607	g_pfnGetQueuedCompletionStatus = (decltype(GetQueuedCompletionStatus) *) GetProcAddress(g_hModKernel32, "GetQueuedCompletionStatus");
608	g_pfnPostQueuedCompletionStatus = (decltype(PostQueuedCompletionStatus) *)GetProcAddress(g_hModKernel32, "PostQueuedCompletionStatus");
609	g_pfnIsProcessorFeaturePresent = (decltype(IsProcessorFeaturePresent) *) GetProcAddress(g_hModKernel32, "IsProcessorFeaturePresent");
610
611	Assert(g_pfnGetHandleInformation \|\| g_enmWinVer < kRTWinOSType_NT351);
612	Assert(g_pfnSetHandleInformation \|\| g_enmWinVer < kRTWinOSType_NT351);
613	Assert(g_pfnIsDebuggerPresent \|\| g_enmWinVer < kRTWinOSType_NT4);
614	Assert(g_pfnGetSystemTimeAsFileTime \|\| g_enmWinVer < kRTWinOSType_NT4);
615	Assert(g_pfnGetProcessAffinityMask \|\| g_enmWinVer < kRTWinOSType_NT350);
616	Assert(g_pfnSetThreadAffinityMask \|\| g_enmWinVer < kRTWinOSType_NT350);
617	Assert(g_pfnCreateIoCompletionPort \|\| g_enmWinVer < kRTWinOSType_NT350);
618	Assert(g_pfnGetQueuedCompletionStatus \|\| g_enmWinVer < kRTWinOSType_NT350);
619	Assert(g_pfnPostQueuedCompletionStatus \|\| g_enmWinVer < kRTWinOSType_NT350);
620	Assert(g_pfnIsProcessorFeaturePresent \|\| g_enmWinVer < kRTWinOSType_NT4);
621
622	/*
623	* Resolve some ntdll.dll APIs that weren't there in early NT versions.
624	*/
625	g_pfnNtQueryFullAttributesFile = (PFNNTQUERYFULLATTRIBUTESFILE)GetProcAddress(g_hModNtDll, "NtQueryFullAttributesFile");
626	g_pfnNtDuplicateToken = (PFNNTDUPLICATETOKEN)GetProcAddress( g_hModNtDll, "NtDuplicateToken");
627	g_pfnNtAlertThread = (decltype(NtAlertThread) *)GetProcAddress( g_hModNtDll, "NtAlertThread");
628
629	/*
630	* Resolve the winsock error getter and setter so assertions can save those too.
631	*/
632	rtR3InitWinSockApis();
633
634	return rc;
635	}
636
637
638	DECLHIDDEN(void) rtR3InitNativeObtrusive(uint32_t fFlags)
639	{
640	rtR3InitNativeObtrusiveWorker(fFlags);
641	}
642
643
644	DECLHIDDEN(int) rtR3InitNativeFinal(uint32_t fFlags)
645	{
646	/* Nothing to do here. */
647	RT_NOREF_PV(fFlags);
648	return VINF_SUCCESS;
649	}
650
651
652	/**
653	* Unhandled exception filter callback.
654	*
655	* Will try log stuff.
656	*/
657	static LONG CALLBACK rtR3WinUnhandledXcptFilter(PEXCEPTION_POINTERS pPtrs)
658	{
659	/*
660	* Try get the logger and log exception details.
661	*
662	* Note! We'll be using RTLogLoggerWeak for now, though we should probably add
663	* a less deadlock prone API here and gives up pretty fast if it
664	* cannot get the lock...
665	*/
666	PRTLOGGER pLogger = RTLogRelGetDefaultInstanceWeak();
667	if (!pLogger)
668	pLogger = RTLogGetDefaultInstanceWeak();
669	if (pLogger)
670	{
671	RTLogLoggerWeak(pLogger, NULL, "\n!!! rtR3WinUnhandledXcptFilter caught an exception on thread %p in %u !!!\n",
672	RTThreadNativeSelf(), RTProcSelf());
673
674	/*
675	* Dump the exception record.
676	*/
677	uintptr_t uXcptPC = 0;
678	PEXCEPTION_RECORD pXcptRec = RT_VALID_PTR(pPtrs) && RT_VALID_PTR(pPtrs->ExceptionRecord) ? pPtrs->ExceptionRecord : NULL;
679	if (pXcptRec)
680	{
681	RTLogLoggerWeak(pLogger, NULL, "\nExceptionCode=%#010x ExceptionFlags=%#010x ExceptionAddress=%p\n",
682	pXcptRec->ExceptionCode, pXcptRec->ExceptionFlags, pXcptRec->ExceptionAddress);
683	for (uint32_t i = 0; i < RT_MIN(pXcptRec->NumberParameters, EXCEPTION_MAXIMUM_PARAMETERS); i++)
684	RTLogLoggerWeak(pLogger, NULL, "ExceptionInformation[%d]=%p\n", i, pXcptRec->ExceptionInformation[i]);
685	uXcptPC = (uintptr_t)pXcptRec->ExceptionAddress;
686
687	/* Nested? Display one level only. */
688	PEXCEPTION_RECORD pNestedRec = pXcptRec->ExceptionRecord;
689	if (RT_VALID_PTR(pNestedRec))
690	{
691	RTLogLoggerWeak(pLogger, NULL, "Nested: ExceptionCode=%#010x ExceptionFlags=%#010x ExceptionAddress=%p (nested %p)\n",
692	pNestedRec->ExceptionCode, pNestedRec->ExceptionFlags, pNestedRec->ExceptionAddress,
693	pNestedRec->ExceptionRecord);
694	for (uint32_t i = 0; i < RT_MIN(pNestedRec->NumberParameters, EXCEPTION_MAXIMUM_PARAMETERS); i++)
695	RTLogLoggerWeak(pLogger, NULL, "Nested: ExceptionInformation[%d]=%p\n", i, pNestedRec->ExceptionInformation[i]);
696	uXcptPC = (uintptr_t)pNestedRec->ExceptionAddress;
697	}
698	}
699
700	/*
701	* Dump the context record.
702	*/
703	volatile char szMarker[] = "stackmarker";
704	uintptr_t uXcptSP = (uintptr_t)&szMarker[0];
705	PCONTEXT pXcptCtx = RT_VALID_PTR(pPtrs) && RT_VALID_PTR(pPtrs->ContextRecord) ? pPtrs->ContextRecord : NULL;
706	if (pXcptCtx)
707	{
708	#ifdef RT_ARCH_AMD64
709	RTLogLoggerWeak(pLogger, NULL, "\ncs:rip=%04x:%016RX64\n", pXcptCtx->SegCs, pXcptCtx->Rip);
710	RTLogLoggerWeak(pLogger, NULL, "ss:rsp=%04x:%016RX64 rbp=%016RX64\n", pXcptCtx->SegSs, pXcptCtx->Rsp, pXcptCtx->Rbp);
711	RTLogLoggerWeak(pLogger, NULL, "rax=%016RX64 rcx=%016RX64 rdx=%016RX64 rbx=%016RX64\n",
712	pXcptCtx->Rax, pXcptCtx->Rcx, pXcptCtx->Rdx, pXcptCtx->Rbx);
713	RTLogLoggerWeak(pLogger, NULL, "rsi=%016RX64 rdi=%016RX64 rsp=%016RX64 rbp=%016RX64\n",
714	pXcptCtx->Rsi, pXcptCtx->Rdi, pXcptCtx->Rsp, pXcptCtx->Rbp);
715	RTLogLoggerWeak(pLogger, NULL, "r8 =%016RX64 r9 =%016RX64 r10=%016RX64 r11=%016RX64\n",
716	pXcptCtx->R8, pXcptCtx->R9, pXcptCtx->R10, pXcptCtx->R11);
717	RTLogLoggerWeak(pLogger, NULL, "r12=%016RX64 r13=%016RX64 r14=%016RX64 r15=%016RX64\n",
718	pXcptCtx->R12, pXcptCtx->R13, pXcptCtx->R14, pXcptCtx->R15);
719	RTLogLoggerWeak(pLogger, NULL, "ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n",
720	pXcptCtx->SegDs, pXcptCtx->SegEs, pXcptCtx->SegFs, pXcptCtx->SegGs, pXcptCtx->EFlags);
721	RTLogLoggerWeak(pLogger, NULL, "p1home=%016RX64 p2home=%016RX64 pe3home=%016RX64\n",
722	pXcptCtx->P1Home, pXcptCtx->P2Home, pXcptCtx->P3Home);
723	RTLogLoggerWeak(pLogger, NULL, "p4home=%016RX64 p5home=%016RX64 pe6home=%016RX64\n",
724	pXcptCtx->P4Home, pXcptCtx->P5Home, pXcptCtx->P6Home);
725	RTLogLoggerWeak(pLogger, NULL, " LastBranchToRip=%016RX64 LastBranchFromRip=%016RX64\n",
726	pXcptCtx->LastBranchToRip, pXcptCtx->LastBranchFromRip);
727	RTLogLoggerWeak(pLogger, NULL, "LastExceptionToRip=%016RX64 LastExceptionFromRip=%016RX64\n",
728	pXcptCtx->LastExceptionToRip, pXcptCtx->LastExceptionFromRip);
729	uXcptSP = pXcptCtx->Rsp;
730	uXcptPC = pXcptCtx->Rip;
731
732	#elif defined(RT_ARCH_X86)
733	RTLogLoggerWeak(pLogger, NULL, "\ncs:eip=%04x:%08RX32\n", pXcptCtx->SegCs, pXcptCtx->Eip);
734	RTLogLoggerWeak(pLogger, NULL, "ss:esp=%04x:%08RX32 ebp=%08RX32\n", pXcptCtx->SegSs, pXcptCtx->Esp, pXcptCtx->Ebp);
735	RTLogLoggerWeak(pLogger, NULL, "eax=%08RX32 ecx=%08RX32 edx=%08RX32 ebx=%08RX32\n",
736	pXcptCtx->Eax, pXcptCtx->Ecx, pXcptCtx->Edx, pXcptCtx->Ebx);
737	RTLogLoggerWeak(pLogger, NULL, "esi=%08RX32 edi=%08RX32 esp=%08RX32 ebp=%08RX32\n",
738	pXcptCtx->Esi, pXcptCtx->Edi, pXcptCtx->Esp, pXcptCtx->Ebp);
739	RTLogLoggerWeak(pLogger, NULL, "ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n",
740	pXcptCtx->SegDs, pXcptCtx->SegEs, pXcptCtx->SegFs, pXcptCtx->SegGs, pXcptCtx->EFlags);
741	uXcptSP = pXcptCtx->Esp;
742	uXcptPC = pXcptCtx->Eip;
743	#endif
744	}
745
746	/*
747	* Dump stack.
748	*/
749	uintptr_t uStack = (uintptr_t)(void *)&szMarker[0];
750	uStack -= uStack & 15;
751
752	size_t cbToDump = PAGE_SIZE - (uStack & PAGE_OFFSET_MASK);
753	if (cbToDump < 512)
754	cbToDump += PAGE_SIZE;
755	size_t cbToXcpt = uXcptSP - uStack;
756	while (cbToXcpt > cbToDump && cbToXcpt <= _16K)
757	cbToDump += PAGE_SIZE;
758	ULONG_PTR uLow = (uintptr_t)&szMarker[0];
759	ULONG_PTR uHigh = (uintptr_t)&szMarker[0];
760	if (g_pfnGetCurrentThreadStackLimits)
761	{
762	g_pfnGetCurrentThreadStackLimits(&uLow, &uHigh);
763	size_t cbToTop = RT_MAX(uLow, uHigh) - uStack;
764	if (cbToTop < _1M)
765	cbToDump = cbToTop;
766	}
767
768	RTLogLoggerWeak(pLogger, NULL, "\nStack %p, dumping %#x bytes (low=%p, high=%p)\n", uStack, cbToDump, uLow, uHigh);
769	RTLogLoggerWeak(pLogger, NULL, "%.*RhxD\n", cbToDump, uStack);
770
771	/*
772	* Try figure the thread name.
773	*
774	* Note! This involves the thread db lock, so it may deadlock, which
775	* is why it's at the end.
776	*/
777	RTLogLoggerWeak(pLogger, NULL, "Thread ID: %p\n", RTThreadNativeSelf());
778	RTLogLoggerWeak(pLogger, NULL, "Thread name: %s\n", RTThreadSelfName());
779	RTLogLoggerWeak(pLogger, NULL, "Thread IPRT: %p\n", RTThreadSelf());
780
781	/*
782	* Try dump the load information.
783	*/
784	PPEB pPeb = RTNtCurrentPeb();
785	if (RT_VALID_PTR(pPeb))
786	{
787	PPEB_LDR_DATA pLdrData = pPeb->Ldr;
788	if (RT_VALID_PTR(pLdrData))
789	{
790	PLDR_DATA_TABLE_ENTRY pFound = NULL;
791	LIST_ENTRY * const pList = &pLdrData->InMemoryOrderModuleList;
792	LIST_ENTRY *pListEntry = pList->Flink;
793	uint32_t cLoops = 0;
794	RTLogLoggerWeak(pLogger, NULL,
795	"\nLoaded Modules:\n"
796	"%-s[] Timestamp Path\n", sizeof(void ) 4 + 2 - 1, "Address range"
797	);
798	while (pListEntry != pList && RT_VALID_PTR(pListEntry) && cLoops < 1024)
799	{
800	PLDR_DATA_TABLE_ENTRY pLdrEntry = RT_FROM_MEMBER(pListEntry, LDR_DATA_TABLE_ENTRY, InMemoryOrderLinks);
801	uint32_t const cbLength = (uint32_t)(uintptr_t)pLdrEntry->Reserved3[1];
802	char chInd = ' ';
803	if (uXcptPC - (uintptr_t)pLdrEntry->DllBase < cbLength)
804	{
805	chInd = '*';
806	pFound = pLdrEntry;
807	}
808
809	if ( RT_VALID_PTR(pLdrEntry->FullDllName.Buffer)
810	&& pLdrEntry->FullDllName.Length > 0
811	&& pLdrEntry->FullDllName.Length < _8K
812	&& (pLdrEntry->FullDllName.Length & 1) == 0
813	&& pLdrEntry->FullDllName.Length <= pLdrEntry->FullDllName.MaximumLength)
814	RTLogLoggerWeak(pLogger, NULL, "%p..%p%c %08RX32 %.*ls\n",
815	pLdrEntry->DllBase, (uintptr_t)pLdrEntry->DllBase + cbLength - 1, chInd,
816	pLdrEntry->TimeDateStamp, pLdrEntry->FullDllName.Length / sizeof(RTUTF16),
817	pLdrEntry->FullDllName.Buffer);
818	else
819	RTLogLoggerWeak(pLogger, NULL, "%p..%p%c %08RX32 <bad or missing: %p LB %#x max %#x\n",
820	pLdrEntry->DllBase, (uintptr_t)pLdrEntry->DllBase + cbLength - 1, chInd,
821	pLdrEntry->TimeDateStamp, pLdrEntry->FullDllName.Buffer, pLdrEntry->FullDllName.Length,
822	pLdrEntry->FullDllName.MaximumLength);
823
824	/* advance */
825	pListEntry = pListEntry->Flink;
826	cLoops++;
827	}
828
829	/*
830	* Use the above to pick out code addresses on the stack.
831	*/
832	if ( cLoops < 1024
833	&& uXcptSP - uStack < cbToDump)
834	{
835	RTLogLoggerWeak(pLogger, NULL, "\nPotential code addresses on the stack:\n");
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, "%-s: %p - %#010RX32 bytes into %.ls\n",
844	sizeof(void ) 2, "Xcpt PC", uXcptPC, (uint32_t)(uXcptPC - (uintptr_t)pFound->DllBase),
845	pFound->FullDllName.Length / sizeof(RTUTF16), pFound->FullDllName.Buffer);
846	else
847	RTLogLoggerWeak(pLogger, NULL, "%-*s: %p - %08RX32 into module at %p\n",
848	sizeof(void ) 2, "Xcpt PC", uXcptPC, (uint32_t)(uXcptPC - (uintptr_t)pFound->DllBase),
849	pFound->DllBase);
850	}
851
852	uintptr_t const puStack = (uintptr_t const )uXcptSP;
853	uintptr_t cLeft = (cbToDump - (uXcptSP - uStack)) / sizeof(uintptr_t);
854	while (cLeft-- > 0)
855	{
856	uintptr_t uPtr = *puStack;
857	if (RT_VALID_PTR(uPtr))
858	{
859	/* Search the module table. */
860	pFound = NULL;
861	cLoops = 0;
862	pListEntry = pList->Flink;
863	while (pListEntry != pList && RT_VALID_PTR(pListEntry) && cLoops < 1024)
864	{
865	PLDR_DATA_TABLE_ENTRY pLdrEntry = RT_FROM_MEMBER(pListEntry, LDR_DATA_TABLE_ENTRY, InMemoryOrderLinks);
866	uint32_t const cbLength = (uint32_t)(uintptr_t)pLdrEntry->Reserved3[1];
867	if (uPtr - (uintptr_t)pLdrEntry->DllBase < cbLength)
868	{
869	pFound = pLdrEntry;
870	break;
871	}
872
873	/* advance */
874	pListEntry = pListEntry->Flink;
875	cLoops++;
876	}
877
878	if (pFound)
879	{
880	if ( RT_VALID_PTR(pFound->FullDllName.Buffer)
881	&& pFound->FullDllName.Length > 0
882	&& pFound->FullDllName.Length < _8K
883	&& (pFound->FullDllName.Length & 1) == 0
884	&& pFound->FullDllName.Length <= pFound->FullDllName.MaximumLength)
885	RTLogLoggerWeak(pLogger, NULL, "%p: %p - %#010RX32 bytes into %.*ls\n",
886	puStack, uPtr, (uint32_t)(uPtr - (uintptr_t)pFound->DllBase),
887	pFound->FullDllName.Length / sizeof(RTUTF16), pFound->FullDllName.Buffer);
888	else
889	RTLogLoggerWeak(pLogger, NULL, "%p: %p - %08RX32 into module at %p\n",
890	puStack, uPtr, (uint32_t)(uPtr - (uintptr_t)pFound->DllBase), pFound->DllBase);
891	}
892	}
893
894	puStack++;
895	}
896	}
897	}
898
899	/*
900	* Dump the command line if we have one. We do this last in case it crashes.
901	*/
902	PRTL_USER_PROCESS_PARAMETERS pProcParams = pPeb->ProcessParameters;
903	if (RT_VALID_PTR(pProcParams))
904	{
905	if (RT_VALID_PTR(pProcParams->CommandLine.Buffer)
906	&& pProcParams->CommandLine.Length > 0
907	&& pProcParams->CommandLine.Length <= pProcParams->CommandLine.MaximumLength
908	&& !(pProcParams->CommandLine.Length & 1)
909	&& !(pProcParams->CommandLine.MaximumLength & 1))
910	RTLogLoggerWeak(pLogger, NULL, "PEB/CommandLine: %.*ls\n",
911	pProcParams->CommandLine.Length / sizeof(RTUTF16), pProcParams->CommandLine.Buffer);
912	}
913	}
914	}
915
916	/*
917	* Do the default stuff, never mind us.
918	*/
919	if (g_pfnUnhandledXcptFilter)
920	return g_pfnUnhandledXcptFilter(pPtrs);
921	return EXCEPTION_CONTINUE_SEARCH;
922	}
923

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

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