init-win.cpp@ 98103

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1	/* $Id: init-win.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2	/** @file
3	* IPRT - Init Ring-3, Windows Specific Code.
4	*/
5
6	/*
7	* Copyright (C) 2006-2023 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* The contents of this file may alternatively be used under the terms
26	* of the Common Development and Distribution License Version 1.0
27	* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28	* in the VirtualBox distribution, in which case the provisions of the
29	* CDDL are applicable instead of those of the GPL.
30	*
31	* You may elect to license modified versions of this file under the
32	* terms and conditions of either the GPL or the CDDL or both.
33	*
34	* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35	*/
36
37
38	/*********************************************************************************************************************************
39	* Header Files *
40	*********************************************************************************************************************************/
41	#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	/** socket */
139	DECL_HIDDEN_DATA(PFNWINSOCKSOCKET) g_pfnsocket = NULL;
140	/** closesocket */
141	DECL_HIDDEN_DATA(PFNWINSOCKCLOSESOCKET) g_pfnclosesocket = NULL;
142	/** recv */
143	DECL_HIDDEN_DATA(PFNWINSOCKRECV) g_pfnrecv = NULL;
144	/** send */
145	DECL_HIDDEN_DATA(PFNWINSOCKSEND) g_pfnsend = NULL;
146	/** recvfrom */
147	DECL_HIDDEN_DATA(PFNWINSOCKRECVFROM) g_pfnrecvfrom = NULL;
148	/** sendto */
149	DECL_HIDDEN_DATA(PFNWINSOCKSENDTO) g_pfnsendto = NULL;
150	/** bind */
151	DECL_HIDDEN_DATA(PFNWINSOCKBIND) g_pfnbind = NULL;
152	/** listen */
153	DECL_HIDDEN_DATA(PFNWINSOCKLISTEN) g_pfnlisten = NULL;
154	/** accept */
155	DECL_HIDDEN_DATA(PFNWINSOCKACCEPT) g_pfnaccept = NULL;
156	/** connect */
157	DECL_HIDDEN_DATA(PFNWINSOCKCONNECT) g_pfnconnect = NULL;
158	/** shutdown */
159	DECL_HIDDEN_DATA(PFNWINSOCKSHUTDOWN) g_pfnshutdown = NULL;
160	/** getsockopt */
161	DECL_HIDDEN_DATA(PFNWINSOCKGETSOCKOPT) g_pfngetsockopt = NULL;
162	/** setsockopt */
163	DECL_HIDDEN_DATA(PFNWINSOCKSETSOCKOPT) g_pfnsetsockopt = NULL;
164	/** ioctlsocket */
165	DECL_HIDDEN_DATA(PFNWINSOCKIOCTLSOCKET) g_pfnioctlsocket = NULL;
166	/** getpeername */
167	DECL_HIDDEN_DATA(PFNWINSOCKGETPEERNAME) g_pfngetpeername = NULL;
168	/** getsockname */
169	DECL_HIDDEN_DATA(PFNWINSOCKGETSOCKNAME) g_pfngetsockname = NULL;
170	/** __WSAFDIsSet */
171	DECL_HIDDEN_DATA(PFNWINSOCK__WSAFDISSET) g_pfn__WSAFDIsSet = NULL;
172	/** select */
173	DECL_HIDDEN_DATA(PFNWINSOCKSELECT) g_pfnselect = NULL;
174	/** gethostbyname */
175	DECL_HIDDEN_DATA(PFNWINSOCKGETHOSTBYNAME) g_pfngethostbyname = NULL;
176
177
178	/*********************************************************************************************************************************
179	* Internal Functions *
180	*********************************************************************************************************************************/
181	static LONG CALLBACK rtR3WinUnhandledXcptFilter(PEXCEPTION_POINTERS);
182
183
184	/**
185	* Translates OSVERSIONINOFEX into a Windows OS type.
186	*
187	* @returns The Windows OS type.
188	* @param pOSInfoEx The OS info returned by Windows.
189	*
190	* @remarks This table has been assembled from Usenet postings, personal
191	* observations, and reading other people's code. Please feel
192	* free to add to it or correct it.
193	* <pre>
194	dwPlatFormID dwMajorVersion dwMinorVersion dwBuildNumber
195	95 1 4 0 950
196	95 SP1 1 4 0 >950 && <=1080
197	95 OSR2 1 4 <10 >1080
198	98 1 4 10 1998
199	98 SP1 1 4 10 >1998 && <2183
200	98 SE 1 4 10 >=2183
201	ME 1 4 90 3000
202
203	NT 3.51 2 3 51 1057
204	NT 4 2 4 0 1381
205	2000 2 5 0 2195
206	XP 2 5 1 2600
207	2003 2 5 2 3790
208	Vista 2 6 0
209
210	CE 1.0 3 1 0
211	CE 2.0 3 2 0
212	CE 2.1 3 2 1
213	CE 3.0 3 3 0
214	</pre>
215	*/
216	static RTWINOSTYPE rtR3InitWinSimplifiedVersion(OSVERSIONINFOEXW const *pOSInfoEx)
217	{
218	RTWINOSTYPE enmVer = kRTWinOSType_UNKNOWN;
219	BYTE const bProductType = pOSInfoEx->wProductType;
220	DWORD const dwPlatformId = pOSInfoEx->dwPlatformId;
221	DWORD const dwMinorVersion = pOSInfoEx->dwMinorVersion;
222	DWORD const dwMajorVersion = pOSInfoEx->dwMajorVersion;
223	DWORD const dwBuildNumber = pOSInfoEx->dwBuildNumber & 0xFFFF; /* Win 9x needs this. */
224
225	if ( dwPlatformId == VER_PLATFORM_WIN32_WINDOWS
226	&& dwMajorVersion == 4)
227	{
228	if ( dwMinorVersion < 10
229	&& dwBuildNumber == 950)
230	enmVer = kRTWinOSType_95;
231	else if ( dwMinorVersion < 10
232	&& dwBuildNumber > 950
233	&& dwBuildNumber <= 1080)
234	enmVer = kRTWinOSType_95SP1;
235	else if ( dwMinorVersion < 10
236	&& dwBuildNumber > 1080)
237	enmVer = kRTWinOSType_95OSR2;
238	else if ( dwMinorVersion == 10
239	&& dwBuildNumber == 1998)
240	enmVer = kRTWinOSType_98;
241	else if ( dwMinorVersion == 10
242	&& dwBuildNumber > 1998
243	&& dwBuildNumber < 2183)
244	enmVer = kRTWinOSType_98SP1;
245	else if ( dwMinorVersion == 10
246	&& dwBuildNumber >= 2183)
247	enmVer = kRTWinOSType_98SE;
248	else if (dwMinorVersion == 90)
249	enmVer = kRTWinOSType_ME;
250	}
251	else if (dwPlatformId == VER_PLATFORM_WIN32_NT)
252	{
253	if (dwMajorVersion == 3)
254	{
255	if ( dwMinorVersion < 50)
256	enmVer = kRTWinOSType_NT310;
257	else if (dwMinorVersion == 50)
258	enmVer = kRTWinOSType_NT350;
259	else
260	enmVer = kRTWinOSType_NT351;
261	}
262	else if (dwMajorVersion == 4)
263	enmVer = kRTWinOSType_NT4;
264	else if (dwMajorVersion == 5)
265	{
266	if (dwMinorVersion == 0)
267	enmVer = kRTWinOSType_2K;
268	else if (dwMinorVersion == 1)
269	enmVer = kRTWinOSType_XP;
270	else
271	enmVer = kRTWinOSType_2003;
272	}
273	else if (dwMajorVersion == 6)
274	{
275	if (dwMinorVersion == 0)
276	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2008 : kRTWinOSType_VISTA;
277	else if (dwMinorVersion == 1)
278	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2008R2 : kRTWinOSType_7;
279	else if (dwMinorVersion == 2)
280	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2012 : kRTWinOSType_8;
281	else if (dwMinorVersion == 3)
282	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2012R2 : kRTWinOSType_81;
283	else if (dwMinorVersion == 4)
284	enmVer = bProductType != VER_NT_WORKSTATION ? kRTWinOSType_2016 : kRTWinOSType_10;
285	else
286	enmVer = kRTWinOSType_NT_UNKNOWN;
287	}
288	else if (dwMajorVersion == 10)
289	{
290	if (dwMinorVersion == 0)
291	{
292	/* The version detection for server 2019, server 2022 and windows 11
293	are by build number. Stupid, stupid, Microsoft. */
294	if (bProductType == VER_NT_WORKSTATION)
295	enmVer = dwBuildNumber >= 22000 ? kRTWinOSType_11 : kRTWinOSType_10;
296	else
297	enmVer = dwBuildNumber >= 20348 ? kRTWinOSType_2022
298	: dwBuildNumber >= 17763 ? kRTWinOSType_2019 : kRTWinOSType_2016;
299	}
300	else
301	enmVer = kRTWinOSType_NT_UNKNOWN;
302	}
303	else
304	enmVer = kRTWinOSType_NT_UNKNOWN;
305	}
306
307	return enmVer;
308	}
309
310
311	/**
312	* Initializes the global variables related to windows version.
313	*/
314	static void rtR3InitWindowsVersion(void)
315	{
316	Assert(g_hModNtDll != NULL);
317
318	/*
319	* ASSUMES OSVERSIONINFOEX starts with the exact same layout as OSVERSIONINFO (safe).
320	*/
321	AssertCompileMembersSameSizeAndOffset(OSVERSIONINFOEX, szCSDVersion, OSVERSIONINFO, szCSDVersion);
322	AssertCompileMemberOffset(OSVERSIONINFOEX, wServicePackMajor, sizeof(OSVERSIONINFO));
323
324	/*
325	* Use the NT version of RtlGetVersion (since w2k) so we don't get fooled
326	* by the standard compatibility shims. (Sandboxes may still fool us.)
327	*
328	* Note! This API was added in windows 2000 together with the extended
329	* version info structure (OSVERSIONINFOEXW), so there is no need
330	* to retry with the smaller version (OSVERSIONINFOW).
331	*/
332	RT_ZERO(g_WinOsInfoEx);
333	g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
334
335	LONG (__stdcall pfnRtlGetVersion)(OSVERSIONINFOEXW );
336	(FARPROC )&pfnRtlGetVersion = GetProcAddress(g_hModNtDll, "RtlGetVersion");
337	LONG rcNt = -1;
338	if (pfnRtlGetVersion)
339	rcNt = pfnRtlGetVersion(&g_WinOsInfoEx);
340	if (rcNt != 0)
341	{
342	/*
343	* Couldn't find it or it failed, try the windows version of the API.
344	* The GetVersionExW API was added in NT 3.51, however only the small
345	* structure version existed till windows 2000. We'll try the larger
346	* structure version first, anyway, just in case.
347	*/
348	RT_ZERO(g_WinOsInfoEx);
349	g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
350
351	BOOL (__stdcall pfnGetVersionExW)(OSVERSIONINFOW );
352	(FARPROC )&pfnGetVersionExW = GetProcAddress(g_hModKernel32, "GetVersionExW");
353
354	if (!pfnGetVersionExW \|\| !pfnGetVersionExW((POSVERSIONINFOW)&g_WinOsInfoEx))
355	{
356	/*
357	* If that didn't work either, just get the basic version bits.
358	*/
359	RT_ZERO(g_WinOsInfoEx);
360	g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
361	if (pfnGetVersionExW && pfnGetVersionExW((POSVERSIONINFOW)&g_WinOsInfoEx))
362	Assert(g_WinOsInfoEx.dwPlatformId != VER_PLATFORM_WIN32_NT \|\| g_WinOsInfoEx.dwMajorVersion < 5);
363	else
364	{
365	/*
366	* Okay, nothing worked, so use GetVersion.
367	*
368	* This should only happen if we're on NT 3.1 or NT 3.50.
369	* It should never happen for 64-bit builds.
370	*/
371	#ifdef RT_ARCH_X86
372	RT_ZERO(g_WinOsInfoEx);
373	DWORD const dwVersion = GetVersion();
374
375	/* Common fields: */
376	g_WinOsInfoEx.dwMajorVersion = dwVersion & 0xff;
377	g_WinOsInfoEx.dwMinorVersion = (dwVersion >> 8) & 0xff;
378	if (!(dwVersion & RT_BIT_32(31)))
379	g_WinOsInfoEx.dwBuildNumber = dwVersion >> 16;
380	else
381	g_WinOsInfoEx.dwBuildNumber = 511;
382	g_WinOsInfoEx.dwPlatformId = VER_PLATFORM_WIN32_NT;
383	/** @todo get CSD from registry. */
384	#else
385	AssertBreakpoint();
386	RT_ZERO(g_WinOsInfoEx);
387	#endif
388	}
389
390	#ifdef RT_ARCH_X86
391	/*
392	* Fill in some of the extended info too.
393	*/
394	g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW); /* Pretend. */
395	g_WinOsInfoEx.wProductType = VER_NT_WORKSTATION;
396	NT_PRODUCT_TYPE enmProdType = NtProductWinNt;
397	if (RtlGetNtProductType(&enmProdType))
398	g_WinOsInfoEx.wProductType = (BYTE)enmProdType;
399	/** @todo parse the CSD string to figure that version. */
400	#endif
401	}
402	}
403
404	if (g_WinOsInfoEx.dwOSVersionInfoSize)
405	g_enmWinVer = rtR3InitWinSimplifiedVersion(&g_WinOsInfoEx);
406	}
407
408
409	/**
410	* Resolves the winsock error APIs.
411	*/
412	static void rtR3InitWinSockApis(void)
413	{
414	/*
415	* Try get ws2_32.dll, then try load it, then finally fall back to the old
416	* wsock32.dll. We use RTLdrLoadSystem to the loading as it has all the fancy
417	* logic for safely doing that.
418	*/
419	g_hModWinSock = GetModuleHandleW(L"ws2_32.dll");
420	if (g_hModWinSock == NULL)
421	{
422	RTLDRMOD hLdrMod;
423	int rc = RTLdrLoadSystem("ws2_32.dll", true /fNoUnload/, &hLdrMod);
424	if (RT_FAILURE(rc))
425	{
426	rc = RTLdrLoadSystem("wsock32.dll", true /fNoUnload/, &hLdrMod);
427	if (RT_FAILURE(rc))
428	{
429	AssertMsgFailed(("rc=%Rrc\n", rc));
430	return;
431	}
432	g_fOldWinSock = true;
433	}
434	g_hModWinSock = (HMODULE)RTLdrGetNativeHandle(hLdrMod);
435	RTLdrClose(hLdrMod);
436	}
437
438	g_pfnWSAStartup = (decltype(g_pfnWSAStartup)) GetProcAddress(g_hModWinSock, "WSAStartup");
439	g_pfnWSACleanup = (decltype(g_pfnWSACleanup)) GetProcAddress(g_hModWinSock, "WSACleanup");
440	g_pfnWSAGetLastError = (decltype(g_pfnWSAGetLastError)) GetProcAddress(g_hModWinSock, "WSAGetLastError");
441	g_pfnWSASetLastError = (decltype(g_pfnWSASetLastError)) GetProcAddress(g_hModWinSock, "WSASetLastError");
442	g_pfnWSACreateEvent = (decltype(g_pfnWSACreateEvent)) GetProcAddress(g_hModWinSock, "WSACreateEvent");
443	g_pfnWSACloseEvent = (decltype(g_pfnWSACloseEvent)) GetProcAddress(g_hModWinSock, "WSACloseEvent");
444	g_pfnWSASetEvent = (decltype(g_pfnWSASetEvent)) GetProcAddress(g_hModWinSock, "WSASetEvent");
445	g_pfnWSAEventSelect = (decltype(g_pfnWSAEventSelect)) GetProcAddress(g_hModWinSock, "WSAEventSelect");
446	g_pfnWSAEnumNetworkEvents = (decltype(g_pfnWSAEnumNetworkEvents))GetProcAddress(g_hModWinSock,"WSAEnumNetworkEvents");
447	g_pfnWSASocketW = (decltype(g_pfnWSASocketW)) GetProcAddress(g_hModWinSock, "WSASocketW");
448	g_pfnWSASend = (decltype(g_pfnWSASend)) GetProcAddress(g_hModWinSock, "WSASend");
449	g_pfnsocket = (decltype(g_pfnsocket)) GetProcAddress(g_hModWinSock, "socket");
450	g_pfnclosesocket = (decltype(g_pfnclosesocket)) GetProcAddress(g_hModWinSock, "closesocket");
451	g_pfnrecv = (decltype(g_pfnrecv)) GetProcAddress(g_hModWinSock, "recv");
452	g_pfnsend = (decltype(g_pfnsend)) GetProcAddress(g_hModWinSock, "send");
453	g_pfnrecvfrom = (decltype(g_pfnrecvfrom)) GetProcAddress(g_hModWinSock, "recvfrom");
454	g_pfnsendto = (decltype(g_pfnsendto)) GetProcAddress(g_hModWinSock, "sendto");
455	g_pfnbind = (decltype(g_pfnbind)) GetProcAddress(g_hModWinSock, "bind");
456	g_pfnlisten = (decltype(g_pfnlisten)) GetProcAddress(g_hModWinSock, "listen");
457	g_pfnaccept = (decltype(g_pfnaccept)) GetProcAddress(g_hModWinSock, "accept");
458	g_pfnconnect = (decltype(g_pfnconnect)) GetProcAddress(g_hModWinSock, "connect");
459	g_pfnshutdown = (decltype(g_pfnshutdown)) GetProcAddress(g_hModWinSock, "shutdown");
460	g_pfngetsockopt = (decltype(g_pfngetsockopt)) GetProcAddress(g_hModWinSock, "getsockopt");
461	g_pfnsetsockopt = (decltype(g_pfnsetsockopt)) GetProcAddress(g_hModWinSock, "setsockopt");
462	g_pfnioctlsocket = (decltype(g_pfnioctlsocket)) GetProcAddress(g_hModWinSock, "ioctlsocket");
463	g_pfngetpeername = (decltype(g_pfngetpeername)) GetProcAddress(g_hModWinSock, "getpeername");
464	g_pfngetsockname = (decltype(g_pfngetsockname)) GetProcAddress(g_hModWinSock, "getsockname");
465	g_pfn__WSAFDIsSet = (decltype(g_pfn__WSAFDIsSet)) GetProcAddress(g_hModWinSock, "__WSAFDIsSet");
466	g_pfnselect = (decltype(g_pfnselect)) GetProcAddress(g_hModWinSock, "select");
467	g_pfngethostbyname = (decltype(g_pfngethostbyname)) GetProcAddress(g_hModWinSock, "gethostbyname");
468
469	Assert(g_pfnWSAStartup);
470	Assert(g_pfnWSACleanup);
471	Assert(g_pfnWSAGetLastError);
472	Assert(g_pfnWSASetLastError);
473	Assert(g_pfnWSACreateEvent \|\| g_fOldWinSock);
474	Assert(g_pfnWSACloseEvent \|\| g_fOldWinSock);
475	Assert(g_pfnWSASetEvent \|\| g_fOldWinSock);
476	Assert(g_pfnWSAEventSelect \|\| g_fOldWinSock);
477	Assert(g_pfnWSAEnumNetworkEvents \|\| g_fOldWinSock);
478	Assert(g_pfnWSASocketW \|\| g_fOldWinSock);
479	Assert(g_pfnWSASend \|\| g_fOldWinSock);
480	Assert(g_pfnsocket);
481	Assert(g_pfnclosesocket);
482	Assert(g_pfnrecv);
483	Assert(g_pfnsend);
484	Assert(g_pfnrecvfrom);
485	Assert(g_pfnsendto);
486	Assert(g_pfnbind);
487	Assert(g_pfnlisten);
488	Assert(g_pfnaccept);
489	Assert(g_pfnconnect);
490	Assert(g_pfnshutdown);
491	Assert(g_pfngetsockopt);
492	Assert(g_pfnsetsockopt);
493	Assert(g_pfnioctlsocket);
494	Assert(g_pfngetpeername);
495	Assert(g_pfngetsockname);
496	Assert(g_pfn__WSAFDIsSet);
497	Assert(g_pfnselect);
498	Assert(g_pfngethostbyname);
499	}
500
501
502	static int rtR3InitNativeObtrusiveWorker(uint32_t fFlags)
503	{
504	/*
505	* Disable error popups.
506	*/
507	UINT fOldErrMode = SetErrorMode(SEM_FAILCRITICALERRORS \| SEM_NOOPENFILEERRORBOX);
508	SetErrorMode(SEM_FAILCRITICALERRORS \| SEM_NOOPENFILEERRORBOX \| fOldErrMode);
509
510	/*
511	* Restrict DLL searching for the process on windows versions which allow
512	* us to do so.
513	* - The first trick works on XP SP1+ and disables the searching of the
514	* current directory.
515	* - The second trick is W7 w/ KB2533623 and W8+, it restrict the DLL
516	* searching to the application directory (except when
517	* RTR3INIT_FLAGS_STANDALONE_APP is given) and the System32 directory.
518	*/
519	int rc = VINF_SUCCESS;
520
521	typedef BOOL (WINAPI *PFNSETDLLDIRECTORY)(LPCWSTR);
522	PFNSETDLLDIRECTORY pfnSetDllDir = (PFNSETDLLDIRECTORY)GetProcAddress(g_hModKernel32, "SetDllDirectoryW");
523	if (pfnSetDllDir)
524	{
525	if (pfnSetDllDir(L""))
526	g_enmWinLdrProt = RTR3WINLDRPROT_NO_CWD;
527	else
528	rc = VERR_INTERNAL_ERROR_3;
529	}
530
531	/** @bugref{6861} Observed GUI issues on Vista (32-bit and 64-bit) when using
532	* SetDefaultDllDirectories.
533	* @bugref{8194} Try use SetDefaultDllDirectories on Vista for standalone apps
534	* despite potential GUI issues. */
535	if ( g_enmWinVer > kRTWinOSType_VISTA
536	\|\| (fFlags & RTR3INIT_FLAGS_STANDALONE_APP))
537	{
538	typedef BOOL(WINAPI *PFNSETDEFAULTDLLDIRECTORIES)(DWORD);
539	PFNSETDEFAULTDLLDIRECTORIES pfnSetDefDllDirs;
540	pfnSetDefDllDirs = (PFNSETDEFAULTDLLDIRECTORIES)GetProcAddress(g_hModKernel32, "SetDefaultDllDirectories");
541	if (pfnSetDefDllDirs)
542	{
543	DWORD fDllDirs = LOAD_LIBRARY_SEARCH_SYSTEM32;
544	if (!(fFlags & RTR3INIT_FLAGS_STANDALONE_APP))
545	fDllDirs \|= LOAD_LIBRARY_SEARCH_APPLICATION_DIR;
546	if (pfnSetDefDllDirs(fDllDirs))
547	g_enmWinLdrProt = fDllDirs & LOAD_LIBRARY_SEARCH_APPLICATION_DIR ? RTR3WINLDRPROT_SAFE : RTR3WINLDRPROT_SAFER;
548	else if (RT_SUCCESS(rc))
549	rc = VERR_INTERNAL_ERROR_4;
550	}
551	}
552
553	/*
554	* Register an unhandled exception callback if we can.
555	*/
556	g_pfnGetCurrentThreadStackLimits = (PFNGETCURRENTTHREADSTACKLIMITS)GetProcAddress(g_hModKernel32, "GetCurrentThreadStackLimits");
557	g_pfnSetUnhandledExceptionFilter = (decltype(SetUnhandledExceptionFilter) *)GetProcAddress(g_hModKernel32, "SetUnhandledExceptionFilter");
558	g_pfnUnhandledExceptionFilter = (decltype(UnhandledExceptionFilter) *) GetProcAddress(g_hModKernel32, "UnhandledExceptionFilter");
559	if (g_pfnSetUnhandledExceptionFilter && !g_pfnUnhandledXcptFilter)
560	{
561	g_pfnUnhandledXcptFilter = g_pfnSetUnhandledExceptionFilter(rtR3WinUnhandledXcptFilter);
562	AssertStmt(g_pfnUnhandledXcptFilter != rtR3WinUnhandledXcptFilter, g_pfnUnhandledXcptFilter = NULL);
563	}
564
565	return rc;
566	}
567
568
569	DECLHIDDEN(int) rtR3InitNativeFirst(uint32_t fFlags)
570	{
571	/*
572	* Make sure we've got the handles of the two main Windows NT dlls.
573	*/
574	g_hModKernel32 = GetModuleHandleW(L"kernel32.dll");
575	if (g_hModKernel32 == NULL)
576	return VERR_INTERNAL_ERROR_2;
577	g_hModNtDll = GetModuleHandleW(L"ntdll.dll");
578	if (g_hModNtDll == NULL)
579	return VERR_INTERNAL_ERROR_2;
580
581	rtR3InitWindowsVersion();
582
583	int rc = VINF_SUCCESS;
584	if (!(fFlags & RTR3INIT_FLAGS_UNOBTRUSIVE))
585	rc = rtR3InitNativeObtrusiveWorker(fFlags);
586
587	/*
588	* Resolve some kernel32.dll APIs we may need but aren't necessarily
589	* present in older windows versions.
590	*/
591	g_pfnGetSystemWindowsDirectoryW = (PFNGETWINSYSDIR)GetProcAddress(g_hModKernel32, "GetSystemWindowsDirectoryW");
592	if (g_pfnGetSystemWindowsDirectoryW)
593	g_pfnGetSystemWindowsDirectoryW = (PFNGETWINSYSDIR)GetProcAddress(g_hModKernel32, "GetWindowsDirectoryW");
594	g_pfnSystemTimeToTzSpecificLocalTime = (decltype(SystemTimeToTzSpecificLocalTime) *)GetProcAddress(g_hModKernel32, "SystemTimeToTzSpecificLocalTime");
595	g_pfnCreateWaitableTimerExW = (PFNCREATEWAITABLETIMEREX) GetProcAddress(g_hModKernel32, "CreateWaitableTimerExW");
596	g_pfnGetHandleInformation = (decltype(GetHandleInformation) *) GetProcAddress(g_hModKernel32, "GetHandleInformation");
597	g_pfnSetHandleInformation = (decltype(SetHandleInformation) *) GetProcAddress(g_hModKernel32, "SetHandleInformation");
598	g_pfnIsDebuggerPresent = (decltype(IsDebuggerPresent) *) GetProcAddress(g_hModKernel32, "IsDebuggerPresent");
599	g_pfnGetSystemTimeAsFileTime = (decltype(GetSystemTimeAsFileTime) *) GetProcAddress(g_hModKernel32, "GetSystemTimeAsFileTime");
600	g_pfnGetProcessAffinityMask = (decltype(GetProcessAffinityMask) *) GetProcAddress(g_hModKernel32, "GetProcessAffinityMask");
601	g_pfnSetThreadAffinityMask = (decltype(SetThreadAffinityMask) *) GetProcAddress(g_hModKernel32, "SetThreadAffinityMask");
602	g_pfnCreateIoCompletionPort = (decltype(CreateIoCompletionPort) *) GetProcAddress(g_hModKernel32, "CreateIoCompletionPort");
603	g_pfnGetQueuedCompletionStatus = (decltype(GetQueuedCompletionStatus) *) GetProcAddress(g_hModKernel32, "GetQueuedCompletionStatus");
604	g_pfnPostQueuedCompletionStatus = (decltype(PostQueuedCompletionStatus) *)GetProcAddress(g_hModKernel32, "PostQueuedCompletionStatus");
605	g_pfnIsProcessorFeaturePresent = (decltype(IsProcessorFeaturePresent) *) GetProcAddress(g_hModKernel32, "IsProcessorFeaturePresent");
606
607	Assert(g_pfnGetHandleInformation \|\| g_enmWinVer < kRTWinOSType_NT351);
608	Assert(g_pfnSetHandleInformation \|\| g_enmWinVer < kRTWinOSType_NT351);
609	Assert(g_pfnIsDebuggerPresent \|\| g_enmWinVer < kRTWinOSType_NT4);
610	Assert(g_pfnGetSystemTimeAsFileTime \|\| g_enmWinVer < kRTWinOSType_NT4);
611	Assert(g_pfnGetProcessAffinityMask \|\| g_enmWinVer < kRTWinOSType_NT350);
612	Assert(g_pfnSetThreadAffinityMask \|\| g_enmWinVer < kRTWinOSType_NT350);
613	Assert(g_pfnCreateIoCompletionPort \|\| g_enmWinVer < kRTWinOSType_NT350);
614	Assert(g_pfnGetQueuedCompletionStatus \|\| g_enmWinVer < kRTWinOSType_NT350);
615	Assert(g_pfnPostQueuedCompletionStatus \|\| g_enmWinVer < kRTWinOSType_NT350);
616	Assert(g_pfnIsProcessorFeaturePresent \|\| g_enmWinVer < kRTWinOSType_NT4);
617
618	/*
619	* Resolve some ntdll.dll APIs that weren't there in early NT versions.
620	*/
621	g_pfnNtQueryFullAttributesFile = (PFNNTQUERYFULLATTRIBUTESFILE)GetProcAddress(g_hModNtDll, "NtQueryFullAttributesFile");
622	g_pfnNtDuplicateToken = (PFNNTDUPLICATETOKEN)GetProcAddress( g_hModNtDll, "NtDuplicateToken");
623	g_pfnNtAlertThread = (decltype(NtAlertThread) *)GetProcAddress( g_hModNtDll, "NtAlertThread");
624
625	/*
626	* Resolve the winsock error getter and setter so assertions can save those too.
627	*/
628	rtR3InitWinSockApis();
629
630	return rc;
631	}
632
633
634	DECLHIDDEN(void) rtR3InitNativeObtrusive(uint32_t fFlags)
635	{
636	rtR3InitNativeObtrusiveWorker(fFlags);
637	}
638
639
640	DECLHIDDEN(int) rtR3InitNativeFinal(uint32_t fFlags)
641	{
642	/* Nothing to do here. */
643	RT_NOREF_PV(fFlags);
644	return VINF_SUCCESS;
645	}
646
647
648	/**
649	* Unhandled exception filter callback.
650	*
651	* Will try log stuff.
652	*/
653	static LONG CALLBACK rtR3WinUnhandledXcptFilter(PEXCEPTION_POINTERS pPtrs)
654	{
655	/*
656	* Try get the logger and log exception details.
657	*
658	* Note! We'll be using RTLogLoggerWeak for now, though we should probably add
659	* a less deadlock prone API here and gives up pretty fast if it
660	* cannot get the lock...
661	*/
662	PRTLOGGER pLogger = RTLogRelGetDefaultInstanceWeak();
663	if (!pLogger)
664	pLogger = RTLogGetDefaultInstanceWeak();
665	if (pLogger)
666	{
667	RTLogLoggerWeak(pLogger, NULL, "\n!!! rtR3WinUnhandledXcptFilter caught an exception on thread %p in %u !!!\n",
668	RTThreadNativeSelf(), RTProcSelf());
669
670	/*
671	* Dump the exception record.
672	*/
673	uintptr_t uXcptPC = 0;
674	PEXCEPTION_RECORD pXcptRec = RT_VALID_PTR(pPtrs) && RT_VALID_PTR(pPtrs->ExceptionRecord) ? pPtrs->ExceptionRecord : NULL;
675	if (pXcptRec)
676	{
677	RTLogLoggerWeak(pLogger, NULL, "\nExceptionCode=%#010x ExceptionFlags=%#010x ExceptionAddress=%p\n",
678	pXcptRec->ExceptionCode, pXcptRec->ExceptionFlags, pXcptRec->ExceptionAddress);
679	for (uint32_t i = 0; i < RT_MIN(pXcptRec->NumberParameters, EXCEPTION_MAXIMUM_PARAMETERS); i++)
680	RTLogLoggerWeak(pLogger, NULL, "ExceptionInformation[%d]=%p\n", i, pXcptRec->ExceptionInformation[i]);
681	uXcptPC = (uintptr_t)pXcptRec->ExceptionAddress;
682
683	/* Nested? Display one level only. */
684	PEXCEPTION_RECORD pNestedRec = pXcptRec->ExceptionRecord;
685	if (RT_VALID_PTR(pNestedRec))
686	{
687	RTLogLoggerWeak(pLogger, NULL, "Nested: ExceptionCode=%#010x ExceptionFlags=%#010x ExceptionAddress=%p (nested %p)\n",
688	pNestedRec->ExceptionCode, pNestedRec->ExceptionFlags, pNestedRec->ExceptionAddress,
689	pNestedRec->ExceptionRecord);
690	for (uint32_t i = 0; i < RT_MIN(pNestedRec->NumberParameters, EXCEPTION_MAXIMUM_PARAMETERS); i++)
691	RTLogLoggerWeak(pLogger, NULL, "Nested: ExceptionInformation[%d]=%p\n", i, pNestedRec->ExceptionInformation[i]);
692	uXcptPC = (uintptr_t)pNestedRec->ExceptionAddress;
693	}
694	}
695
696	/*
697	* Dump the context record.
698	*/
699	volatile char szMarker[] = "stackmarker";
700	uintptr_t uXcptSP = (uintptr_t)&szMarker[0];
701	PCONTEXT pXcptCtx = RT_VALID_PTR(pPtrs) && RT_VALID_PTR(pPtrs->ContextRecord) ? pPtrs->ContextRecord : NULL;
702	if (pXcptCtx)
703	{
704	#ifdef RT_ARCH_AMD64
705	RTLogLoggerWeak(pLogger, NULL, "\ncs:rip=%04x:%016RX64\n", pXcptCtx->SegCs, pXcptCtx->Rip);
706	RTLogLoggerWeak(pLogger, NULL, "ss:rsp=%04x:%016RX64 rbp=%016RX64\n", pXcptCtx->SegSs, pXcptCtx->Rsp, pXcptCtx->Rbp);
707	RTLogLoggerWeak(pLogger, NULL, "rax=%016RX64 rcx=%016RX64 rdx=%016RX64 rbx=%016RX64\n",
708	pXcptCtx->Rax, pXcptCtx->Rcx, pXcptCtx->Rdx, pXcptCtx->Rbx);
709	RTLogLoggerWeak(pLogger, NULL, "rsi=%016RX64 rdi=%016RX64 rsp=%016RX64 rbp=%016RX64\n",
710	pXcptCtx->Rsi, pXcptCtx->Rdi, pXcptCtx->Rsp, pXcptCtx->Rbp);
711	RTLogLoggerWeak(pLogger, NULL, "r8 =%016RX64 r9 =%016RX64 r10=%016RX64 r11=%016RX64\n",
712	pXcptCtx->R8, pXcptCtx->R9, pXcptCtx->R10, pXcptCtx->R11);
713	RTLogLoggerWeak(pLogger, NULL, "r12=%016RX64 r13=%016RX64 r14=%016RX64 r15=%016RX64\n",
714	pXcptCtx->R12, pXcptCtx->R13, pXcptCtx->R14, pXcptCtx->R15);
715	RTLogLoggerWeak(pLogger, NULL, "ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n",
716	pXcptCtx->SegDs, pXcptCtx->SegEs, pXcptCtx->SegFs, pXcptCtx->SegGs, pXcptCtx->EFlags);
717	RTLogLoggerWeak(pLogger, NULL, "p1home=%016RX64 p2home=%016RX64 pe3home=%016RX64\n",
718	pXcptCtx->P1Home, pXcptCtx->P2Home, pXcptCtx->P3Home);
719	RTLogLoggerWeak(pLogger, NULL, "p4home=%016RX64 p5home=%016RX64 pe6home=%016RX64\n",
720	pXcptCtx->P4Home, pXcptCtx->P5Home, pXcptCtx->P6Home);
721	RTLogLoggerWeak(pLogger, NULL, " LastBranchToRip=%016RX64 LastBranchFromRip=%016RX64\n",
722	pXcptCtx->LastBranchToRip, pXcptCtx->LastBranchFromRip);
723	RTLogLoggerWeak(pLogger, NULL, "LastExceptionToRip=%016RX64 LastExceptionFromRip=%016RX64\n",
724	pXcptCtx->LastExceptionToRip, pXcptCtx->LastExceptionFromRip);
725	uXcptSP = pXcptCtx->Rsp;
726	uXcptPC = pXcptCtx->Rip;
727
728	#elif defined(RT_ARCH_X86)
729	RTLogLoggerWeak(pLogger, NULL, "\ncs:eip=%04x:%08RX32\n", pXcptCtx->SegCs, pXcptCtx->Eip);
730	RTLogLoggerWeak(pLogger, NULL, "ss:esp=%04x:%08RX32 ebp=%08RX32\n", pXcptCtx->SegSs, pXcptCtx->Esp, pXcptCtx->Ebp);
731	RTLogLoggerWeak(pLogger, NULL, "eax=%08RX32 ecx=%08RX32 edx=%08RX32 ebx=%08RX32\n",
732	pXcptCtx->Eax, pXcptCtx->Ecx, pXcptCtx->Edx, pXcptCtx->Ebx);
733	RTLogLoggerWeak(pLogger, NULL, "esi=%08RX32 edi=%08RX32 esp=%08RX32 ebp=%08RX32\n",
734	pXcptCtx->Esi, pXcptCtx->Edi, pXcptCtx->Esp, pXcptCtx->Ebp);
735	RTLogLoggerWeak(pLogger, NULL, "ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n",
736	pXcptCtx->SegDs, pXcptCtx->SegEs, pXcptCtx->SegFs, pXcptCtx->SegGs, pXcptCtx->EFlags);
737	uXcptSP = pXcptCtx->Esp;
738	uXcptPC = pXcptCtx->Eip;
739	#endif
740	}
741
742	/*
743	* Dump stack.
744	*/
745	uintptr_t uStack = (uintptr_t)(void *)&szMarker[0];
746	uStack -= uStack & 15;
747
748	size_t cbToDump = PAGE_SIZE - (uStack & PAGE_OFFSET_MASK);
749	if (cbToDump < 512)
750	cbToDump += PAGE_SIZE;
751	size_t cbToXcpt = uXcptSP - uStack;
752	while (cbToXcpt > cbToDump && cbToXcpt <= _16K)
753	cbToDump += PAGE_SIZE;
754	ULONG_PTR uLow = (uintptr_t)&szMarker[0];
755	ULONG_PTR uHigh = (uintptr_t)&szMarker[0];
756	if (g_pfnGetCurrentThreadStackLimits)
757	{
758	g_pfnGetCurrentThreadStackLimits(&uLow, &uHigh);
759	size_t cbToTop = RT_MAX(uLow, uHigh) - uStack;
760	if (cbToTop < _1M)
761	cbToDump = cbToTop;
762	}
763
764	RTLogLoggerWeak(pLogger, NULL, "\nStack %p, dumping %#x bytes (low=%p, high=%p)\n", uStack, cbToDump, uLow, uHigh);
765	RTLogLoggerWeak(pLogger, NULL, "%.*RhxD\n", cbToDump, uStack);
766
767	/*
768	* Try figure the thread name.
769	*
770	* Note! This involves the thread db lock, so it may deadlock, which
771	* is why it's at the end.
772	*/
773	RTLogLoggerWeak(pLogger, NULL, "Thread ID: %p\n", RTThreadNativeSelf());
774	RTLogLoggerWeak(pLogger, NULL, "Thread name: %s\n", RTThreadSelfName());
775	RTLogLoggerWeak(pLogger, NULL, "Thread IPRT: %p\n", RTThreadSelf());
776
777	/*
778	* Try dump the load information.
779	*/
780	PPEB pPeb = RTNtCurrentPeb();
781	if (RT_VALID_PTR(pPeb))
782	{
783	PPEB_LDR_DATA pLdrData = pPeb->Ldr;
784	if (RT_VALID_PTR(pLdrData))
785	{
786	PLDR_DATA_TABLE_ENTRY pFound = NULL;
787	LIST_ENTRY * const pList = &pLdrData->InMemoryOrderModuleList;
788	LIST_ENTRY *pListEntry = pList->Flink;
789	uint32_t cLoops = 0;
790	RTLogLoggerWeak(pLogger, NULL,
791	"\nLoaded Modules:\n"
792	"%-s[] Timestamp Path\n", sizeof(void ) 4 + 2 - 1, "Address range"
793	);
794	while (pListEntry != pList && RT_VALID_PTR(pListEntry) && cLoops < 1024)
795	{
796	PLDR_DATA_TABLE_ENTRY pLdrEntry = RT_FROM_MEMBER(pListEntry, LDR_DATA_TABLE_ENTRY, InMemoryOrderLinks);
797	uint32_t const cbLength = (uint32_t)(uintptr_t)pLdrEntry->Reserved3[1];
798	char chInd = ' ';
799	if (uXcptPC - (uintptr_t)pLdrEntry->DllBase < cbLength)
800	{
801	chInd = '*';
802	pFound = pLdrEntry;
803	}
804
805	if ( RT_VALID_PTR(pLdrEntry->FullDllName.Buffer)
806	&& pLdrEntry->FullDllName.Length > 0
807	&& pLdrEntry->FullDllName.Length < _8K
808	&& (pLdrEntry->FullDllName.Length & 1) == 0
809	&& pLdrEntry->FullDllName.Length <= pLdrEntry->FullDllName.MaximumLength)
810	RTLogLoggerWeak(pLogger, NULL, "%p..%p%c %08RX32 %.*ls\n",
811	pLdrEntry->DllBase, (uintptr_t)pLdrEntry->DllBase + cbLength - 1, chInd,
812	pLdrEntry->TimeDateStamp, pLdrEntry->FullDllName.Length / sizeof(RTUTF16),
813	pLdrEntry->FullDllName.Buffer);
814	else
815	RTLogLoggerWeak(pLogger, NULL, "%p..%p%c %08RX32 <bad or missing: %p LB %#x max %#x\n",
816	pLdrEntry->DllBase, (uintptr_t)pLdrEntry->DllBase + cbLength - 1, chInd,
817	pLdrEntry->TimeDateStamp, pLdrEntry->FullDllName.Buffer, pLdrEntry->FullDllName.Length,
818	pLdrEntry->FullDllName.MaximumLength);
819
820	/* advance */
821	pListEntry = pListEntry->Flink;
822	cLoops++;
823	}
824
825	/*
826	* Use the above to pick out code addresses on the stack.
827	*/
828	if ( cLoops < 1024
829	&& uXcptSP - uStack < cbToDump)
830	{
831	RTLogLoggerWeak(pLogger, NULL, "\nPotential code addresses on the stack:\n");
832	if (pFound)
833	{
834	if ( RT_VALID_PTR(pFound->FullDllName.Buffer)
835	&& pFound->FullDllName.Length > 0
836	&& pFound->FullDllName.Length < _8K
837	&& (pFound->FullDllName.Length & 1) == 0
838	&& pFound->FullDllName.Length <= pFound->FullDllName.MaximumLength)
839	RTLogLoggerWeak(pLogger, NULL, "%-s: %p - %#010RX32 bytes into %.ls\n",
840	sizeof(void ) 2, "Xcpt PC", uXcptPC, (uint32_t)(uXcptPC - (uintptr_t)pFound->DllBase),
841	pFound->FullDllName.Length / sizeof(RTUTF16), pFound->FullDllName.Buffer);
842	else
843	RTLogLoggerWeak(pLogger, NULL, "%-*s: %p - %08RX32 into module at %p\n",
844	sizeof(void ) 2, "Xcpt PC", uXcptPC, (uint32_t)(uXcptPC - (uintptr_t)pFound->DllBase),
845	pFound->DllBase);
846	}
847
848	uintptr_t const puStack = (uintptr_t const )uXcptSP;
849	uintptr_t cLeft = (cbToDump - (uXcptSP - uStack)) / sizeof(uintptr_t);
850	while (cLeft-- > 0)
851	{
852	uintptr_t uPtr = *puStack;
853	if (RT_VALID_PTR(uPtr))
854	{
855	/* Search the module table. */
856	pFound = NULL;
857	cLoops = 0;
858	pListEntry = pList->Flink;
859	while (pListEntry != pList && RT_VALID_PTR(pListEntry) && cLoops < 1024)
860	{
861	PLDR_DATA_TABLE_ENTRY pLdrEntry = RT_FROM_MEMBER(pListEntry, LDR_DATA_TABLE_ENTRY, InMemoryOrderLinks);
862	uint32_t const cbLength = (uint32_t)(uintptr_t)pLdrEntry->Reserved3[1];
863	if (uPtr - (uintptr_t)pLdrEntry->DllBase < cbLength)
864	{
865	pFound = pLdrEntry;
866	break;
867	}
868
869	/* advance */
870	pListEntry = pListEntry->Flink;
871	cLoops++;
872	}
873
874	if (pFound)
875	{
876	if ( RT_VALID_PTR(pFound->FullDllName.Buffer)
877	&& pFound->FullDllName.Length > 0
878	&& pFound->FullDllName.Length < _8K
879	&& (pFound->FullDllName.Length & 1) == 0
880	&& pFound->FullDllName.Length <= pFound->FullDllName.MaximumLength)
881	RTLogLoggerWeak(pLogger, NULL, "%p: %p - %#010RX32 bytes into %.*ls\n",
882	puStack, uPtr, (uint32_t)(uPtr - (uintptr_t)pFound->DllBase),
883	pFound->FullDllName.Length / sizeof(RTUTF16), pFound->FullDllName.Buffer);
884	else
885	RTLogLoggerWeak(pLogger, NULL, "%p: %p - %08RX32 into module at %p\n",
886	puStack, uPtr, (uint32_t)(uPtr - (uintptr_t)pFound->DllBase), pFound->DllBase);
887	}
888	}
889
890	puStack++;
891	}
892	}
893	}
894
895	/*
896	* Dump the command line if we have one. We do this last in case it crashes.
897	*/
898	PRTL_USER_PROCESS_PARAMETERS pProcParams = pPeb->ProcessParameters;
899	if (RT_VALID_PTR(pProcParams))
900	{
901	if (RT_VALID_PTR(pProcParams->CommandLine.Buffer)
902	&& pProcParams->CommandLine.Length > 0
903	&& pProcParams->CommandLine.Length <= pProcParams->CommandLine.MaximumLength
904	&& !(pProcParams->CommandLine.Length & 1)
905	&& !(pProcParams->CommandLine.MaximumLength & 1))
906	RTLogLoggerWeak(pLogger, NULL, "PEB/CommandLine: %.*ls\n",
907	pProcParams->CommandLine.Length / sizeof(RTUTF16), pProcParams->CommandLine.Buffer);
908	}
909	}
910	}
911
912	/*
913	* Do the default stuff, never mind us.
914	*/
915	if (g_pfnUnhandledXcptFilter)
916	return g_pfnUnhandledXcptFilter(pPtrs);
917	return EXCEPTION_CONTINUE_SEARCH;
918	}
919

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source: vbox/trunk/src/VBox/Runtime/r3/win/init-win.cpp@ 98103

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