init-win.cpp@ 96573

Last change on this file since 96573 was 96573, checked in by vboxsync, 3 years ago
IPRT/nocrt: Fail fast and safer stack corruption. bugref:10261
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1	/* $Id: init-win.cpp 96573 2022-09-02 02:04:12Z 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.215389.xyz.
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 compatability shims.
327	*/
328	RT_ZERO(g_WinOsInfoEx);
329	g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
330
331	LONG (__stdcall pfnRtlGetVersion)(OSVERSIONINFOEXW );
332	(FARPROC )&pfnRtlGetVersion = GetProcAddress(g_hModNtDll, "RtlGetVersion");
333	LONG rcNt = -1;
334	if (pfnRtlGetVersion)
335	rcNt = pfnRtlGetVersion(&g_WinOsInfoEx);
336	if (rcNt != 0)
337	{
338	/*
339	* Couldn't find it or it failed, try the windows version of the API.
340	* The GetVersionExW API was added in NT 3.51.
341	*/
342	RT_ZERO(g_WinOsInfoEx);
343	g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
344
345	BOOL (__stdcall pfnGetVersionExW)(OSVERSIONINFOW );
346	(FARPROC )&pfnGetVersionExW = GetProcAddress(g_hModKernel32, "GetVersionExW");
347
348	if (!pfnGetVersionExW \|\| !pfnGetVersionExW((POSVERSIONINFOW)&g_WinOsInfoEx))
349	{
350	/*
351	* If that didn't work either, just get the basic version bits.
352	*/
353	RT_ZERO(g_WinOsInfoEx);
354	g_WinOsInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
355	if (!pfnGetVersionExW \|\| !pfnGetVersionExW((POSVERSIONINFOW)&g_WinOsInfoEx))
356	Assert(g_WinOsInfoEx.dwPlatformId != VER_PLATFORM_WIN32_NT \|\| g_WinOsInfoEx.dwMajorVersion < 5);
357	else
358	{
359	/*
360	* Okay, nothing worked, so use GetVersion.
361	* This should only happen if we're on NT 3.1 or NT 3.50.
362	* It should never happen for 64-bit builds.
363	*/
364	#ifdef RT_ARCH_X86
365	RT_ZERO(g_WinOsInfoEx);
366	DWORD const dwVersion = GetVersion();
367
368	/* Common fields: */
369	g_WinOsInfoEx.dwMajorVersion = dwVersion & 0xff;
370	g_WinOsInfoEx.dwMinorVersion = (dwVersion >> 8) & 0xff;
371	if (!(dwVersion & RT_BIT_32(31)))
372	g_WinOsInfoEx.dwBuildNumber = dwVersion >> 16;
373	else
374	g_WinOsInfoEx.dwBuildNumber = 511;
375	g_WinOsInfoEx.dwPlatformId = VER_PLATFORM_WIN32_NT;
376	g_WinOsInfoEx.wProductType = VER_NT_WORKSTATION;
377	/** @todo get CSD from registry. */
378	#else
379	AssertBreakpoint();
380	RT_ZERO(g_WinOsInfoEx);
381	#endif
382	}
383	}
384	}
385
386	if (g_WinOsInfoEx.dwOSVersionInfoSize)
387	g_enmWinVer = rtR3InitWinSimplifiedVersion(&g_WinOsInfoEx);
388	}
389
390
391	/**
392	* Resolves the winsock error APIs.
393	*/
394	static void rtR3InitWinSockApis(void)
395	{
396	/*
397	* Try get ws2_32.dll, then try load it, then finally fall back to the old
398	* wsock32.dll. We use RTLdrLoadSystem to the loading as it has all the fancy
399	* logic for safely doing that.
400	*/
401	g_hModWinSock = GetModuleHandleW(L"ws2_32.dll");
402	if (g_hModWinSock == NULL)
403	{
404	RTLDRMOD hLdrMod;
405	int rc = RTLdrLoadSystem("ws2_32.dll", true /fNoUnload/, &hLdrMod);
406	if (RT_FAILURE(rc))
407	{
408	rc = RTLdrLoadSystem("wsock32.dll", true /fNoUnload/, &hLdrMod);
409	if (RT_FAILURE(rc))
410	{
411	AssertMsgFailed(("rc=%Rrc\n", rc));
412	return;
413	}
414	g_fOldWinSock = true;
415	}
416	g_hModWinSock = (HMODULE)RTLdrGetNativeHandle(hLdrMod);
417	RTLdrClose(hLdrMod);
418	}
419
420	g_pfnWSAStartup = (decltype(g_pfnWSAStartup)) GetProcAddress(g_hModWinSock, "WSAStartup");
421	g_pfnWSACleanup = (decltype(g_pfnWSACleanup)) GetProcAddress(g_hModWinSock, "WSACleanup");
422	g_pfnWSAGetLastError = (decltype(g_pfnWSAGetLastError)) GetProcAddress(g_hModWinSock, "WSAGetLastError");
423	g_pfnWSASetLastError = (decltype(g_pfnWSASetLastError)) GetProcAddress(g_hModWinSock, "WSASetLastError");
424	g_pfnWSACreateEvent = (decltype(g_pfnWSACreateEvent)) GetProcAddress(g_hModWinSock, "WSACreateEvent");
425	g_pfnWSACloseEvent = (decltype(g_pfnWSACloseEvent)) GetProcAddress(g_hModWinSock, "WSACloseEvent");
426	g_pfnWSASetEvent = (decltype(g_pfnWSASetEvent)) GetProcAddress(g_hModWinSock, "WSASetEvent");
427	g_pfnWSAEventSelect = (decltype(g_pfnWSAEventSelect)) GetProcAddress(g_hModWinSock, "WSAEventSelect");
428	g_pfnWSAEnumNetworkEvents = (decltype(g_pfnWSAEnumNetworkEvents))GetProcAddress(g_hModWinSock,"WSAEnumNetworkEvents");
429	g_pfnWSASocketW = (decltype(g_pfnWSASocketW)) GetProcAddress(g_hModWinSock, "WSASocketW");
430	g_pfnWSASend = (decltype(g_pfnWSASend)) GetProcAddress(g_hModWinSock, "WSASend");
431	g_pfnsocket = (decltype(g_pfnsocket)) GetProcAddress(g_hModWinSock, "socket");
432	g_pfnclosesocket = (decltype(g_pfnclosesocket)) GetProcAddress(g_hModWinSock, "closesocket");
433	g_pfnrecv = (decltype(g_pfnrecv)) GetProcAddress(g_hModWinSock, "recv");
434	g_pfnsend = (decltype(g_pfnsend)) GetProcAddress(g_hModWinSock, "send");
435	g_pfnrecvfrom = (decltype(g_pfnrecvfrom)) GetProcAddress(g_hModWinSock, "recvfrom");
436	g_pfnsendto = (decltype(g_pfnsendto)) GetProcAddress(g_hModWinSock, "sendto");
437	g_pfnbind = (decltype(g_pfnbind)) GetProcAddress(g_hModWinSock, "bind");
438	g_pfnlisten = (decltype(g_pfnlisten)) GetProcAddress(g_hModWinSock, "listen");
439	g_pfnaccept = (decltype(g_pfnaccept)) GetProcAddress(g_hModWinSock, "accept");
440	g_pfnconnect = (decltype(g_pfnconnect)) GetProcAddress(g_hModWinSock, "connect");
441	g_pfnshutdown = (decltype(g_pfnshutdown)) GetProcAddress(g_hModWinSock, "shutdown");
442	g_pfngetsockopt = (decltype(g_pfngetsockopt)) GetProcAddress(g_hModWinSock, "getsockopt");
443	g_pfnsetsockopt = (decltype(g_pfnsetsockopt)) GetProcAddress(g_hModWinSock, "setsockopt");
444	g_pfnioctlsocket = (decltype(g_pfnioctlsocket)) GetProcAddress(g_hModWinSock, "ioctlsocket");
445	g_pfngetpeername = (decltype(g_pfngetpeername)) GetProcAddress(g_hModWinSock, "getpeername");
446	g_pfngetsockname = (decltype(g_pfngetsockname)) GetProcAddress(g_hModWinSock, "getsockname");
447	g_pfn__WSAFDIsSet = (decltype(g_pfn__WSAFDIsSet)) GetProcAddress(g_hModWinSock, "__WSAFDIsSet");
448	g_pfnselect = (decltype(g_pfnselect)) GetProcAddress(g_hModWinSock, "select");
449	g_pfngethostbyname = (decltype(g_pfngethostbyname)) GetProcAddress(g_hModWinSock, "gethostbyname");
450
451	Assert(g_pfnWSAStartup);
452	Assert(g_pfnWSACleanup);
453	Assert(g_pfnWSAGetLastError);
454	Assert(g_pfnWSASetLastError);
455	Assert(g_pfnWSACreateEvent \|\| g_fOldWinSock);
456	Assert(g_pfnWSACloseEvent \|\| g_fOldWinSock);
457	Assert(g_pfnWSASetEvent \|\| g_fOldWinSock);
458	Assert(g_pfnWSAEventSelect \|\| g_fOldWinSock);
459	Assert(g_pfnWSAEnumNetworkEvents \|\| g_fOldWinSock);
460	Assert(g_pfnWSASocketW \|\| g_fOldWinSock);
461	Assert(g_pfnWSASend \|\| g_fOldWinSock);
462	Assert(g_pfnsocket);
463	Assert(g_pfnclosesocket);
464	Assert(g_pfnrecv);
465	Assert(g_pfnsend);
466	Assert(g_pfnrecvfrom);
467	Assert(g_pfnsendto);
468	Assert(g_pfnbind);
469	Assert(g_pfnlisten);
470	Assert(g_pfnaccept);
471	Assert(g_pfnconnect);
472	Assert(g_pfnshutdown);
473	Assert(g_pfngetsockopt);
474	Assert(g_pfnsetsockopt);
475	Assert(g_pfnioctlsocket);
476	Assert(g_pfngetpeername);
477	Assert(g_pfngetsockname);
478	Assert(g_pfn__WSAFDIsSet);
479	Assert(g_pfnselect);
480	Assert(g_pfngethostbyname);
481	}
482
483
484	static int rtR3InitNativeObtrusiveWorker(uint32_t fFlags)
485	{
486	/*
487	* Disable error popups.
488	*/
489	UINT fOldErrMode = SetErrorMode(SEM_FAILCRITICALERRORS \| SEM_NOOPENFILEERRORBOX);
490	SetErrorMode(SEM_FAILCRITICALERRORS \| SEM_NOOPENFILEERRORBOX \| fOldErrMode);
491
492	/*
493	* Restrict DLL searching for the process on windows versions which allow
494	* us to do so.
495	* - The first trick works on XP SP1+ and disables the searching of the
496	* current directory.
497	* - The second trick is W7 w/ KB2533623 and W8+, it restrict the DLL
498	* searching to the application directory (except when
499	* RTR3INIT_FLAGS_STANDALONE_APP is given) and the System32 directory.
500	*/
501	int rc = VINF_SUCCESS;
502
503	typedef BOOL (WINAPI *PFNSETDLLDIRECTORY)(LPCWSTR);
504	PFNSETDLLDIRECTORY pfnSetDllDir = (PFNSETDLLDIRECTORY)GetProcAddress(g_hModKernel32, "SetDllDirectoryW");
505	if (pfnSetDllDir)
506	{
507	if (pfnSetDllDir(L""))
508	g_enmWinLdrProt = RTR3WINLDRPROT_NO_CWD;
509	else
510	rc = VERR_INTERNAL_ERROR_3;
511	}
512
513	/** @bugref{6861} Observed GUI issues on Vista (32-bit and 64-bit) when using
514	* SetDefaultDllDirectories.
515	* @bugref{8194} Try use SetDefaultDllDirectories on Vista for standalone apps
516	* despite potential GUI issues. */
517	if ( g_enmWinVer > kRTWinOSType_VISTA
518	\|\| (fFlags & RTR3INIT_FLAGS_STANDALONE_APP))
519	{
520	typedef BOOL(WINAPI *PFNSETDEFAULTDLLDIRECTORIES)(DWORD);
521	PFNSETDEFAULTDLLDIRECTORIES pfnSetDefDllDirs;
522	pfnSetDefDllDirs = (PFNSETDEFAULTDLLDIRECTORIES)GetProcAddress(g_hModKernel32, "SetDefaultDllDirectories");
523	if (pfnSetDefDllDirs)
524	{
525	DWORD fDllDirs = LOAD_LIBRARY_SEARCH_SYSTEM32;
526	if (!(fFlags & RTR3INIT_FLAGS_STANDALONE_APP))
527	fDllDirs \|= LOAD_LIBRARY_SEARCH_APPLICATION_DIR;
528	if (pfnSetDefDllDirs(fDllDirs))
529	g_enmWinLdrProt = fDllDirs & LOAD_LIBRARY_SEARCH_APPLICATION_DIR ? RTR3WINLDRPROT_SAFE : RTR3WINLDRPROT_SAFER;
530	else if (RT_SUCCESS(rc))
531	rc = VERR_INTERNAL_ERROR_4;
532	}
533	}
534
535	/*
536	* Register an unhandled exception callback if we can.
537	*/
538	g_pfnGetCurrentThreadStackLimits = (PFNGETCURRENTTHREADSTACKLIMITS)GetProcAddress(g_hModKernel32, "GetCurrentThreadStackLimits");
539	g_pfnSetUnhandledExceptionFilter = (decltype(SetUnhandledExceptionFilter) *)GetProcAddress(g_hModKernel32, "SetUnhandledExceptionFilter");
540	g_pfnUnhandledExceptionFilter = (decltype(UnhandledExceptionFilter) *) GetProcAddress(g_hModKernel32, "UnhandledExceptionFilter");
541	if (g_pfnSetUnhandledExceptionFilter && !g_pfnUnhandledXcptFilter)
542	{
543	g_pfnUnhandledXcptFilter = g_pfnSetUnhandledExceptionFilter(rtR3WinUnhandledXcptFilter);
544	AssertStmt(g_pfnUnhandledXcptFilter != rtR3WinUnhandledXcptFilter, g_pfnUnhandledXcptFilter = NULL);
545	}
546
547	return rc;
548	}
549
550
551	DECLHIDDEN(int) rtR3InitNativeFirst(uint32_t fFlags)
552	{
553	/*
554	* Make sure we've got the handles of the two main Windows NT dlls.
555	*/
556	g_hModKernel32 = GetModuleHandleW(L"kernel32.dll");
557	if (g_hModKernel32 == NULL)
558	return VERR_INTERNAL_ERROR_2;
559	g_hModNtDll = GetModuleHandleW(L"ntdll.dll");
560	if (g_hModNtDll == NULL)
561	return VERR_INTERNAL_ERROR_2;
562
563	rtR3InitWindowsVersion();
564
565	int rc = VINF_SUCCESS;
566	if (!(fFlags & RTR3INIT_FLAGS_UNOBTRUSIVE))
567	rc = rtR3InitNativeObtrusiveWorker(fFlags);
568
569	/*
570	* Resolve some kernel32.dll APIs we may need but aren't necessarily
571	* present in older windows versions.
572	*/
573	g_pfnGetSystemWindowsDirectoryW = (PFNGETWINSYSDIR)GetProcAddress(g_hModKernel32, "GetSystemWindowsDirectoryW");
574	if (g_pfnGetSystemWindowsDirectoryW)
575	g_pfnGetSystemWindowsDirectoryW = (PFNGETWINSYSDIR)GetProcAddress(g_hModKernel32, "GetWindowsDirectoryW");
576	g_pfnSystemTimeToTzSpecificLocalTime = (decltype(SystemTimeToTzSpecificLocalTime) *)GetProcAddress(g_hModKernel32, "SystemTimeToTzSpecificLocalTime");
577	g_pfnCreateWaitableTimerExW = (PFNCREATEWAITABLETIMEREX) GetProcAddress(g_hModKernel32, "CreateWaitableTimerExW");
578	g_pfnGetHandleInformation = (decltype(GetHandleInformation) *) GetProcAddress(g_hModKernel32, "GetHandleInformation");
579	g_pfnSetHandleInformation = (decltype(SetHandleInformation) *) GetProcAddress(g_hModKernel32, "SetHandleInformation");
580	g_pfnIsDebuggerPresent = (decltype(IsDebuggerPresent) *) GetProcAddress(g_hModKernel32, "IsDebuggerPresent");
581	g_pfnGetSystemTimeAsFileTime = (decltype(GetSystemTimeAsFileTime) *) GetProcAddress(g_hModKernel32, "GetSystemTimeAsFileTime");
582	g_pfnGetProcessAffinityMask = (decltype(GetProcessAffinityMask) *) GetProcAddress(g_hModKernel32, "GetProcessAffinityMask");
583	g_pfnSetThreadAffinityMask = (decltype(SetThreadAffinityMask) *) GetProcAddress(g_hModKernel32, "SetThreadAffinityMask");
584	g_pfnCreateIoCompletionPort = (decltype(CreateIoCompletionPort) *) GetProcAddress(g_hModKernel32, "CreateIoCompletionPort");
585	g_pfnGetQueuedCompletionStatus = (decltype(GetQueuedCompletionStatus) *) GetProcAddress(g_hModKernel32, "GetQueuedCompletionStatus");
586	g_pfnPostQueuedCompletionStatus = (decltype(PostQueuedCompletionStatus) *)GetProcAddress(g_hModKernel32, "PostQueuedCompletionStatus");
587	g_pfnIsProcessorFeaturePresent = (decltype(IsProcessorFeaturePresent) *) GetProcAddress(g_hModKernel32, "IsProcessorFeaturePresent");
588
589	Assert(g_pfnGetHandleInformation \|\| g_enmWinVer < kRTWinOSType_NT351);
590	Assert(g_pfnSetHandleInformation \|\| g_enmWinVer < kRTWinOSType_NT351);
591	Assert(g_pfnIsDebuggerPresent \|\| g_enmWinVer < kRTWinOSType_NT4);
592	Assert(g_pfnGetSystemTimeAsFileTime \|\| g_enmWinVer < kRTWinOSType_NT4);
593	Assert(g_pfnGetProcessAffinityMask \|\| g_enmWinVer < kRTWinOSType_NT350);
594	Assert(g_pfnSetThreadAffinityMask \|\| g_enmWinVer < kRTWinOSType_NT350);
595	Assert(g_pfnCreateIoCompletionPort \|\| g_enmWinVer < kRTWinOSType_NT350);
596	Assert(g_pfnGetQueuedCompletionStatus \|\| g_enmWinVer < kRTWinOSType_NT350);
597	Assert(g_pfnPostQueuedCompletionStatus \|\| g_enmWinVer < kRTWinOSType_NT350);
598	Assert(g_pfnIsProcessorFeaturePresent \|\| g_enmWinVer < kRTWinOSType_NT4);
599
600	/*
601	* Resolve some ntdll.dll APIs that weren't there in early NT versions.
602	*/
603	g_pfnNtQueryFullAttributesFile = (PFNNTQUERYFULLATTRIBUTESFILE)GetProcAddress(g_hModNtDll, "NtQueryFullAttributesFile");
604	g_pfnNtDuplicateToken = (PFNNTDUPLICATETOKEN)GetProcAddress( g_hModNtDll, "NtDuplicateToken");
605	g_pfnNtAlertThread = (decltype(NtAlertThread) *)GetProcAddress( g_hModNtDll, "NtAlertThread");
606
607	/*
608	* Resolve the winsock error getter and setter so assertions can save those too.
609	*/
610	rtR3InitWinSockApis();
611
612	return rc;
613	}
614
615
616	DECLHIDDEN(void) rtR3InitNativeObtrusive(uint32_t fFlags)
617	{
618	rtR3InitNativeObtrusiveWorker(fFlags);
619	}
620
621
622	DECLHIDDEN(int) rtR3InitNativeFinal(uint32_t fFlags)
623	{
624	/* Nothing to do here. */
625	RT_NOREF_PV(fFlags);
626	return VINF_SUCCESS;
627	}
628
629
630	/**
631	* Unhandled exception filter callback.
632	*
633	* Will try log stuff.
634	*/
635	static LONG CALLBACK rtR3WinUnhandledXcptFilter(PEXCEPTION_POINTERS pPtrs)
636	{
637	/*
638	* Try get the logger and log exception details.
639	*
640	* Note! We'll be using RTLogLoggerWeak for now, though we should probably add
641	* a less deadlock prone API here and gives up pretty fast if it
642	* cannot get the lock...
643	*/
644	PRTLOGGER pLogger = RTLogRelGetDefaultInstanceWeak();
645	if (!pLogger)
646	pLogger = RTLogGetDefaultInstanceWeak();
647	if (pLogger)
648	{
649	RTLogLoggerWeak(pLogger, NULL, "\n!!! rtR3WinUnhandledXcptFilter caught an exception on thread %p in %u !!!\n",
650	RTThreadNativeSelf(), RTProcSelf());
651
652	/*
653	* Dump the exception record.
654	*/
655	uintptr_t uXcptPC = 0;
656	PEXCEPTION_RECORD pXcptRec = RT_VALID_PTR(pPtrs) && RT_VALID_PTR(pPtrs->ExceptionRecord) ? pPtrs->ExceptionRecord : NULL;
657	if (pXcptRec)
658	{
659	RTLogLoggerWeak(pLogger, NULL, "\nExceptionCode=%#010x ExceptionFlags=%#010x ExceptionAddress=%p\n",
660	pXcptRec->ExceptionCode, pXcptRec->ExceptionFlags, pXcptRec->ExceptionAddress);
661	for (uint32_t i = 0; i < RT_MIN(pXcptRec->NumberParameters, EXCEPTION_MAXIMUM_PARAMETERS); i++)
662	RTLogLoggerWeak(pLogger, NULL, "ExceptionInformation[%d]=%p\n", i, pXcptRec->ExceptionInformation[i]);
663	uXcptPC = (uintptr_t)pXcptRec->ExceptionAddress;
664
665	/* Nested? Display one level only. */
666	PEXCEPTION_RECORD pNestedRec = pXcptRec->ExceptionRecord;
667	if (RT_VALID_PTR(pNestedRec))
668	{
669	RTLogLoggerWeak(pLogger, NULL, "Nested: ExceptionCode=%#010x ExceptionFlags=%#010x ExceptionAddress=%p (nested %p)\n",
670	pNestedRec->ExceptionCode, pNestedRec->ExceptionFlags, pNestedRec->ExceptionAddress,
671	pNestedRec->ExceptionRecord);
672	for (uint32_t i = 0; i < RT_MIN(pNestedRec->NumberParameters, EXCEPTION_MAXIMUM_PARAMETERS); i++)
673	RTLogLoggerWeak(pLogger, NULL, "Nested: ExceptionInformation[%d]=%p\n", i, pNestedRec->ExceptionInformation[i]);
674	uXcptPC = (uintptr_t)pNestedRec->ExceptionAddress;
675	}
676	}
677
678	/*
679	* Dump the context record.
680	*/
681	volatile char szMarker[] = "stackmarker";
682	uintptr_t uXcptSP = (uintptr_t)&szMarker[0];
683	PCONTEXT pXcptCtx = RT_VALID_PTR(pPtrs) && RT_VALID_PTR(pPtrs->ContextRecord) ? pPtrs->ContextRecord : NULL;
684	if (pXcptCtx)
685	{
686	#ifdef RT_ARCH_AMD64
687	RTLogLoggerWeak(pLogger, NULL, "\ncs:rip=%04x:%016RX64\n", pXcptCtx->SegCs, pXcptCtx->Rip);
688	RTLogLoggerWeak(pLogger, NULL, "ss:rsp=%04x:%016RX64 rbp=%016RX64\n", pXcptCtx->SegSs, pXcptCtx->Rsp, pXcptCtx->Rbp);
689	RTLogLoggerWeak(pLogger, NULL, "rax=%016RX64 rcx=%016RX64 rdx=%016RX64 rbx=%016RX64\n",
690	pXcptCtx->Rax, pXcptCtx->Rcx, pXcptCtx->Rdx, pXcptCtx->Rbx);
691	RTLogLoggerWeak(pLogger, NULL, "rsi=%016RX64 rdi=%016RX64 rsp=%016RX64 rbp=%016RX64\n",
692	pXcptCtx->Rsi, pXcptCtx->Rdi, pXcptCtx->Rsp, pXcptCtx->Rbp);
693	RTLogLoggerWeak(pLogger, NULL, "r8 =%016RX64 r9 =%016RX64 r10=%016RX64 r11=%016RX64\n",
694	pXcptCtx->R8, pXcptCtx->R9, pXcptCtx->R10, pXcptCtx->R11);
695	RTLogLoggerWeak(pLogger, NULL, "r12=%016RX64 r13=%016RX64 r14=%016RX64 r15=%016RX64\n",
696	pXcptCtx->R12, pXcptCtx->R13, pXcptCtx->R14, pXcptCtx->R15);
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	RTLogLoggerWeak(pLogger, NULL, "p1home=%016RX64 p2home=%016RX64 pe3home=%016RX64\n",
700	pXcptCtx->P1Home, pXcptCtx->P2Home, pXcptCtx->P3Home);
701	RTLogLoggerWeak(pLogger, NULL, "p4home=%016RX64 p5home=%016RX64 pe6home=%016RX64\n",
702	pXcptCtx->P4Home, pXcptCtx->P5Home, pXcptCtx->P6Home);
703	RTLogLoggerWeak(pLogger, NULL, " LastBranchToRip=%016RX64 LastBranchFromRip=%016RX64\n",
704	pXcptCtx->LastBranchToRip, pXcptCtx->LastBranchFromRip);
705	RTLogLoggerWeak(pLogger, NULL, "LastExceptionToRip=%016RX64 LastExceptionFromRip=%016RX64\n",
706	pXcptCtx->LastExceptionToRip, pXcptCtx->LastExceptionFromRip);
707	uXcptSP = pXcptCtx->Rsp;
708	uXcptPC = pXcptCtx->Rip;
709
710	#elif defined(RT_ARCH_X86)
711	RTLogLoggerWeak(pLogger, NULL, "\ncs:eip=%04x:%08RX32\n", pXcptCtx->SegCs, pXcptCtx->Eip);
712	RTLogLoggerWeak(pLogger, NULL, "ss:esp=%04x:%08RX32 ebp=%08RX32\n", pXcptCtx->SegSs, pXcptCtx->Esp, pXcptCtx->Ebp);
713	RTLogLoggerWeak(pLogger, NULL, "eax=%08RX32 ecx=%08RX32 edx=%08RX32 ebx=%08RX32\n",
714	pXcptCtx->Eax, pXcptCtx->Ecx, pXcptCtx->Edx, pXcptCtx->Ebx);
715	RTLogLoggerWeak(pLogger, NULL, "esi=%08RX32 edi=%08RX32 esp=%08RX32 ebp=%08RX32\n",
716	pXcptCtx->Esi, pXcptCtx->Edi, pXcptCtx->Esp, pXcptCtx->Ebp);
717	RTLogLoggerWeak(pLogger, NULL, "ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n",
718	pXcptCtx->SegDs, pXcptCtx->SegEs, pXcptCtx->SegFs, pXcptCtx->SegGs, pXcptCtx->EFlags);
719	uXcptSP = pXcptCtx->Esp;
720	uXcptPC = pXcptCtx->Eip;
721	#endif
722	}
723
724	/*
725	* Dump stack.
726	*/
727	uintptr_t uStack = (uintptr_t)(void *)&szMarker[0];
728	uStack -= uStack & 15;
729
730	size_t cbToDump = PAGE_SIZE - (uStack & PAGE_OFFSET_MASK);
731	if (cbToDump < 512)
732	cbToDump += PAGE_SIZE;
733	size_t cbToXcpt = uXcptSP - uStack;
734	while (cbToXcpt > cbToDump && cbToXcpt <= _16K)
735	cbToDump += PAGE_SIZE;
736	ULONG_PTR uLow = (uintptr_t)&szMarker[0];
737	ULONG_PTR uHigh = (uintptr_t)&szMarker[0];
738	if (g_pfnGetCurrentThreadStackLimits)
739	{
740	g_pfnGetCurrentThreadStackLimits(&uLow, &uHigh);
741	size_t cbToTop = RT_MAX(uLow, uHigh) - uStack;
742	if (cbToTop < _1M)
743	cbToDump = cbToTop;
744	}
745
746	RTLogLoggerWeak(pLogger, NULL, "\nStack %p, dumping %#x bytes (low=%p, high=%p)\n", uStack, cbToDump, uLow, uHigh);
747	RTLogLoggerWeak(pLogger, NULL, "%.*RhxD\n", cbToDump, uStack);
748
749	/*
750	* Try figure the thread name.
751	*
752	* Note! This involves the thread db lock, so it may deadlock, which
753	* is why it's at the end.
754	*/
755	RTLogLoggerWeak(pLogger, NULL, "Thread ID: %p\n", RTThreadNativeSelf());
756	RTLogLoggerWeak(pLogger, NULL, "Thread name: %s\n", RTThreadSelfName());
757	RTLogLoggerWeak(pLogger, NULL, "Thread IPRT: %p\n", RTThreadSelf());
758
759	/*
760	* Try dump the load information.
761	*/
762	PPEB pPeb = RTNtCurrentPeb();
763	if (RT_VALID_PTR(pPeb))
764	{
765	PPEB_LDR_DATA pLdrData = pPeb->Ldr;
766	if (RT_VALID_PTR(pLdrData))
767	{
768	PLDR_DATA_TABLE_ENTRY pFound = NULL;
769	LIST_ENTRY * const pList = &pLdrData->InMemoryOrderModuleList;
770	LIST_ENTRY *pListEntry = pList->Flink;
771	uint32_t cLoops = 0;
772	RTLogLoggerWeak(pLogger, NULL,
773	"\nLoaded Modules:\n"
774	"%-s[] Timestamp Path\n", sizeof(void ) 4 + 2 - 1, "Address range"
775	);
776	while (pListEntry != pList && RT_VALID_PTR(pListEntry) && cLoops < 1024)
777	{
778	PLDR_DATA_TABLE_ENTRY pLdrEntry = RT_FROM_MEMBER(pListEntry, LDR_DATA_TABLE_ENTRY, InMemoryOrderLinks);
779	uint32_t const cbLength = (uint32_t)(uintptr_t)pLdrEntry->Reserved3[1];
780	char chInd = ' ';
781	if (uXcptPC - (uintptr_t)pLdrEntry->DllBase < cbLength)
782	{
783	chInd = '*';
784	pFound = pLdrEntry;
785	}
786
787	if ( RT_VALID_PTR(pLdrEntry->FullDllName.Buffer)
788	&& pLdrEntry->FullDllName.Length > 0
789	&& pLdrEntry->FullDllName.Length < _8K
790	&& (pLdrEntry->FullDllName.Length & 1) == 0
791	&& pLdrEntry->FullDllName.Length <= pLdrEntry->FullDllName.MaximumLength)
792	RTLogLoggerWeak(pLogger, NULL, "%p..%p%c %08RX32 %.*ls\n",
793	pLdrEntry->DllBase, (uintptr_t)pLdrEntry->DllBase + cbLength - 1, chInd,
794	pLdrEntry->TimeDateStamp, pLdrEntry->FullDllName.Length / sizeof(RTUTF16),
795	pLdrEntry->FullDllName.Buffer);
796	else
797	RTLogLoggerWeak(pLogger, NULL, "%p..%p%c %08RX32 <bad or missing: %p LB %#x max %#x\n",
798	pLdrEntry->DllBase, (uintptr_t)pLdrEntry->DllBase + cbLength - 1, chInd,
799	pLdrEntry->TimeDateStamp, pLdrEntry->FullDllName.Buffer, pLdrEntry->FullDllName.Length,
800	pLdrEntry->FullDllName.MaximumLength);
801
802	/* advance */
803	pListEntry = pListEntry->Flink;
804	cLoops++;
805	}
806
807	/*
808	* Use the above to pick out code addresses on the stack.
809	*/
810	if ( cLoops < 1024
811	&& uXcptSP - uStack < cbToDump)
812	{
813	RTLogLoggerWeak(pLogger, NULL, "\nPotential code addresses on the stack:\n");
814	if (pFound)
815	{
816	if ( RT_VALID_PTR(pFound->FullDllName.Buffer)
817	&& pFound->FullDllName.Length > 0
818	&& pFound->FullDllName.Length < _8K
819	&& (pFound->FullDllName.Length & 1) == 0
820	&& pFound->FullDllName.Length <= pFound->FullDllName.MaximumLength)
821	RTLogLoggerWeak(pLogger, NULL, "%-s: %p - %#010RX32 bytes into %.ls\n",
822	sizeof(void ) 2, "Xcpt PC", uXcptPC, (uint32_t)(uXcptPC - (uintptr_t)pFound->DllBase),
823	pFound->FullDllName.Length / sizeof(RTUTF16), pFound->FullDllName.Buffer);
824	else
825	RTLogLoggerWeak(pLogger, NULL, "%-*s: %p - %08RX32 into module at %p\n",
826	sizeof(void ) 2, "Xcpt PC", uXcptPC, (uint32_t)(uXcptPC - (uintptr_t)pFound->DllBase),
827	pFound->DllBase);
828	}
829
830	uintptr_t const puStack = (uintptr_t const )uXcptSP;
831	uintptr_t cLeft = (cbToDump - (uXcptSP - uStack)) / sizeof(uintptr_t);
832	while (cLeft-- > 0)
833	{
834	uintptr_t uPtr = *puStack;
835	if (RT_VALID_PTR(uPtr))
836	{
837	/* Search the module table. */
838	pFound = NULL;
839	cLoops = 0;
840	pListEntry = pList->Flink;
841	while (pListEntry != pList && RT_VALID_PTR(pListEntry) && cLoops < 1024)
842	{
843	PLDR_DATA_TABLE_ENTRY pLdrEntry = RT_FROM_MEMBER(pListEntry, LDR_DATA_TABLE_ENTRY, InMemoryOrderLinks);
844	uint32_t const cbLength = (uint32_t)(uintptr_t)pLdrEntry->Reserved3[1];
845	if (uPtr - (uintptr_t)pLdrEntry->DllBase < cbLength)
846	{
847	pFound = pLdrEntry;
848	break;
849	}
850
851	/* advance */
852	pListEntry = pListEntry->Flink;
853	cLoops++;
854	}
855
856	if (pFound)
857	{
858	if ( RT_VALID_PTR(pFound->FullDllName.Buffer)
859	&& pFound->FullDllName.Length > 0
860	&& pFound->FullDllName.Length < _8K
861	&& (pFound->FullDllName.Length & 1) == 0
862	&& pFound->FullDllName.Length <= pFound->FullDllName.MaximumLength)
863	RTLogLoggerWeak(pLogger, NULL, "%p: %p - %#010RX32 bytes into %.*ls\n",
864	puStack, uPtr, (uint32_t)(uPtr - (uintptr_t)pFound->DllBase),
865	pFound->FullDllName.Length / sizeof(RTUTF16), pFound->FullDllName.Buffer);
866	else
867	RTLogLoggerWeak(pLogger, NULL, "%p: %p - %08RX32 into module at %p\n",
868	puStack, uPtr, (uint32_t)(uPtr - (uintptr_t)pFound->DllBase), pFound->DllBase);
869	}
870	}
871
872	puStack++;
873	}
874	}
875	}
876
877	/*
878	* Dump the command line if we have one. We do this last in case it crashes.
879	*/
880	PRTL_USER_PROCESS_PARAMETERS pProcParams = pPeb->ProcessParameters;
881	if (RT_VALID_PTR(pProcParams))
882	{
883	if (RT_VALID_PTR(pProcParams->CommandLine.Buffer)
884	&& pProcParams->CommandLine.Length > 0
885	&& pProcParams->CommandLine.Length <= pProcParams->CommandLine.MaximumLength
886	&& !(pProcParams->CommandLine.Length & 1)
887	&& !(pProcParams->CommandLine.MaximumLength & 1))
888	RTLogLoggerWeak(pLogger, NULL, "PEB/CommandLine: %.*ls\n",
889	pProcParams->CommandLine.Length / sizeof(RTUTF16), pProcParams->CommandLine.Buffer);
890	}
891	}
892	}
893
894	/*
895	* Do the default stuff, never mind us.
896	*/
897	if (g_pfnUnhandledXcptFilter)
898	return g_pfnUnhandledXcptFilter(pPtrs);
899	return EXCEPTION_CONTINUE_SEARCH;
900	}
901

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source: vbox/trunk/src/VBox/Runtime/r3/win/init-win.cpp@ 96573

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