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1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "components/breakpad/hard_error_handler_win.h" | |
6 | |
7 #if defined(_WIN32_WINNT_WIN8) && _MSC_VER < 1700 | |
8 // The Windows 8 SDK defines FACILITY_VISUALCPP in winerror.h, and in | |
9 // delayimp.h previous to VS2012. | |
10 #undef FACILITY_VISUALCPP | |
11 #endif | |
12 #include <DelayIMP.h> | |
13 #include <winternl.h> | |
14 | |
15 #include "base/basictypes.h" | |
16 #include "base/strings/string_util.h" | |
17 #include "components/breakpad/breakpad_client.h" | |
18 | |
19 namespace breakpad { | |
20 | |
21 namespace { | |
22 const DWORD kExceptionModuleNotFound = VcppException(ERROR_SEVERITY_ERROR, | |
23 ERROR_MOD_NOT_FOUND); | |
24 const DWORD kExceptionEntryPtNotFound = VcppException(ERROR_SEVERITY_ERROR, | |
25 ERROR_PROC_NOT_FOUND); | |
26 // This is defined in <ntstatus.h> but we can't include this file here. | |
27 const DWORD FACILITY_GRAPHICS_KERNEL = 0x1E; | |
28 const DWORD NT_STATUS_ENTRYPOINT_NOT_FOUND = 0xC0000139; | |
29 const DWORD NT_STATUS_DLL_NOT_FOUND = 0xC0000135; | |
30 | |
31 // We assume that exception codes are NT_STATUS codes. | |
32 DWORD FacilityFromException(DWORD exception_code) { | |
33 return (exception_code >> 16) & 0x0FFF; | |
34 } | |
35 | |
36 // This is not a generic function. It only works with some |nt_status| values. | |
37 // Check the strings here http://msdn.microsoft.com/en-us/library/cc704588.aspx | |
38 // before attempting to use this function. | |
39 void RaiseHardErrorMsg(long nt_status, const std::string& p1, | |
40 const std::string& p2) { | |
41 // If headless just exit silently. | |
42 if (GetBreakpadClient()->IsRunningUnattended()) | |
43 return; | |
44 | |
45 HMODULE ntdll = ::GetModuleHandleA("NTDLL.DLL"); | |
46 wchar_t* msg_template = NULL; | |
47 size_t count = ::FormatMessage( | |
48 FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS | | |
49 FORMAT_MESSAGE_FROM_HMODULE, | |
50 ntdll, | |
51 nt_status, | |
52 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), | |
53 reinterpret_cast<wchar_t*>(&msg_template), | |
54 0, | |
55 NULL); | |
56 | |
57 if (!count) | |
58 return; | |
59 count += p1.size() + p2.size() + 1; | |
60 string16 message; | |
61 ::wsprintf(WriteInto(&message, count), msg_template, p1.c_str(), p2.c_str()); | |
62 // The MB_SERVICE_NOTIFICATION causes this message to be displayed by | |
63 // csrss. This means that we are not creating windows or pumping WM messages | |
64 // in this process. | |
65 ::MessageBox(NULL, message.c_str(), | |
66 L"chrome.exe", | |
67 MB_OK | MB_SERVICE_NOTIFICATION); | |
68 ::LocalFree(msg_template); | |
69 } | |
70 | |
71 void ModuleNotFoundHardError(const EXCEPTION_RECORD* ex_record) { | |
72 DelayLoadInfo* dli = reinterpret_cast<DelayLoadInfo*>( | |
73 ex_record->ExceptionInformation[0]); | |
74 if (!dli->szDll) | |
75 return; | |
76 RaiseHardErrorMsg(NT_STATUS_DLL_NOT_FOUND, dli->szDll, std::string()); | |
77 } | |
78 | |
79 void EntryPointNotFoundHardError(const EXCEPTION_RECORD* ex_record) { | |
80 DelayLoadInfo* dli = reinterpret_cast<DelayLoadInfo*>( | |
81 ex_record->ExceptionInformation[0]); | |
82 if (!dli->dlp.fImportByName) | |
83 return; | |
84 if (!dli->dlp.szProcName) | |
85 return; | |
86 if (!dli->szDll) | |
87 return; | |
88 RaiseHardErrorMsg(NT_STATUS_ENTRYPOINT_NOT_FOUND, | |
89 dli->dlp.szProcName, dli->szDll); | |
90 } | |
91 | |
92 } // namespace | |
93 | |
94 bool HardErrorHandler(EXCEPTION_POINTERS* ex_info) { | |
95 if (!ex_info) | |
96 return false; | |
97 if (!ex_info->ExceptionRecord) | |
98 return false; | |
99 | |
100 long exception = ex_info->ExceptionRecord->ExceptionCode; | |
101 if (exception == kExceptionModuleNotFound) { | |
102 ModuleNotFoundHardError(ex_info->ExceptionRecord); | |
103 return true; | |
104 } else if (exception == kExceptionEntryPtNotFound) { | |
105 EntryPointNotFoundHardError(ex_info->ExceptionRecord); | |
106 return true; | |
107 } else if (FacilityFromException(exception) == FACILITY_GRAPHICS_KERNEL) { | |
108 #if defined(USE_AURA) | |
109 RaiseHardErrorMsg(exception, std::string(), std::string()); | |
110 return true; | |
111 #else | |
112 return false; | |
113 #endif | |
114 } | |
115 return false; | |
116 } | |
117 | |
118 } // namespace breakpad | |
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