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1 // Copyright (c) 2014 The Chromium Authors. All rights reserved. | |
grt (UTC plus 2)
2014/02/13 03:58:26
(c)
Cait (Slow)
2014/02/14 01:17:02
Done.
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2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // This module contains the necessary code to register the Breakpad exception | |
6 // handler. This implementation is based on Chrome's crash reporting code. | |
7 | |
8 #include "chrome_elf/breakpad.h" | |
9 | |
10 #include <string> | |
11 | |
12 #include "base/macros.h" | |
13 #include "breakpad/src/client/windows/handler/exception_handler.h" | |
14 #include "chrome_elf/chrome_elf_util.h" | |
15 #include "version.h" // NOLINT | |
16 | |
17 google_breakpad::ExceptionHandler* g_elf_breakpad = NULL; | |
18 | |
19 namespace { | |
20 | |
21 const wchar_t kBreakpadProductName[] = L"ChromeElf"; | |
22 const wchar_t kBreakpadVersionEntry[] = L"ver"; | |
23 const wchar_t kBreakpadVersionDefault[] = L"0.1.0.0"; | |
24 const wchar_t kBreakpadProdEntry[] = L"prod"; | |
25 const wchar_t kBreakpadPlatformEntry[] = L"plat"; | |
26 const wchar_t kBreakpadPlatformWin32[] = L"Win32"; | |
27 | |
28 // TODO(caitkp): figure out what these should be. Current pipe works with local | |
grt (UTC plus 2)
2014/02/13 03:58:26
32-bit system: \\.\pipe\GoogleCrashServices\S-1-5-
Cait (Slow)
2014/02/14 01:17:02
Done.
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29 // instance of crash_service.exe. | |
30 // The protocol for connecting to the out-of-process Breakpad crash | |
31 // reporter is different for x86-32 and x86-64: the message sizes | |
32 // are different because the message struct contains a pointer. As | |
33 // a result, there are two different named pipes to connect to. The | |
34 // 64-bit one is distinguished with an "-x64" suffix. | |
35 #if defined(_WIN64) | |
36 const wchar_t kGoogleUpdatePipeName[] = | |
37 L"\\\\.\\pipe\\ChromeCrashServices"; | |
38 // L"\\\\.\\pipe\\GoogleCrashServices\\S-1-5-18-x64"; | |
39 #else | |
40 const wchar_t kGoogleUpdatePipeName[] = | |
41 L"\\\\.\\pipe\\ChromeCrashServices"; | |
42 // L"\\\\.\\pipe\\GoogleCrashServices\\S-1-5-18"; | |
43 #endif | |
44 | |
grt (UTC plus 2)
2014/02/13 03:58:26
nit: remove extra newline
Cait (Slow)
2014/02/14 01:17:02
Done.
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45 | |
46 google_breakpad::CustomClientInfo* GetCustomInfo() { | |
47 static google_breakpad::CustomInfoEntry ver_entry( | |
48 kBreakpadVersionEntry, TEXT(CHROME_VERSION_STRING)); | |
49 static google_breakpad::CustomInfoEntry prod_entry( | |
50 kBreakpadProdEntry, kBreakpadProductName); | |
51 static google_breakpad::CustomInfoEntry plat_entry( | |
52 kBreakpadPlatformEntry, kBreakpadPlatformWin32); | |
53 static google_breakpad::CustomInfoEntry entries[] = { | |
54 ver_entry, prod_entry, plat_entry }; | |
55 static google_breakpad::CustomClientInfo custom_info = { | |
56 entries, arraysize(entries) }; | |
57 return &custom_info; | |
58 } | |
59 | |
60 } // namespace | |
61 | |
62 int GenerateCrashDump(EXCEPTION_POINTERS* exinfo) { | |
63 DWORD code = exinfo->ExceptionRecord->ExceptionCode; | |
64 if (code == EXCEPTION_BREAKPOINT || code == EXCEPTION_SINGLE_STEP) | |
65 return EXCEPTION_CONTINUE_SEARCH; | |
66 | |
67 if (g_elf_breakpad != NULL) | |
68 g_elf_breakpad->WriteMinidumpForException(exinfo); | |
69 return EXCEPTION_CONTINUE_SEARCH; | |
70 } | |
71 | |
72 void InitializeCrashReporting() { | |
73 // Do not set up crash reporting if the user has not consented to it. | |
74 if (!AreUsageStatsEnabled()) | |
75 return; | |
76 | |
77 // Disable the message box for assertions. | |
78 _CrtSetReportMode(_CRT_ASSERT, 0); | |
79 | |
80 // Get the alternate dump directory. We use the temp path. | |
81 // N.B. We don't use base::GetTempDir() here to avoid running more code then | |
82 // necessary before crashes can be properly reported. | |
83 wchar_t temp_directory[MAX_PATH + 1] = {}; | |
84 DWORD length = GetTempPath(MAX_PATH, temp_directory); | |
85 if (length == 0) | |
86 return; | |
87 | |
88 // Minidump with stacks, PEB, TEBs and unloaded module list. | |
89 MINIDUMP_TYPE dump_type = static_cast<MINIDUMP_TYPE>( | |
90 MiniDumpWithProcessThreadData | // Get PEB and TEB. | |
grt (UTC plus 2)
2014/02/13 03:58:26
nit: indent two more spaces
Cait (Slow)
2014/02/14 01:17:02
Done.
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91 MiniDumpWithUnloadedModules | // Get unloaded modules when available. | |
92 MiniDumpWithIndirectlyReferencedMemory); // Get memory referenced by stack. | |
93 | |
94 g_elf_breakpad = new google_breakpad::ExceptionHandler( | |
95 temp_directory, | |
96 NULL, | |
97 NULL, | |
98 NULL, | |
99 google_breakpad::ExceptionHandler::HANDLER_ALL, | |
100 dump_type, | |
101 kGoogleUpdatePipeName, | |
102 GetCustomInfo()); | |
103 | |
104 if (g_elf_breakpad->IsOutOfProcess()) { | |
105 // Tells breakpad to handle breakpoint and single step exceptions. | |
106 g_elf_breakpad->set_handle_debug_exceptions(true); | |
107 } | |
108 } | |
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