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1 // Copyright (c) 2014 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 // This module contains the necessary code to register the Breakpad exception | |
6 // handler. This implementation is based on Chrome crash reporting code. | |
7 | |
8 #include "chrome_elf/breakpad.h" | |
9 | |
10 #include <string> | |
11 | |
12 #include "base/macros.h" | |
13 #include "version.h" // NOLINT | |
14 | |
15 google_breakpad::ExceptionHandler* g_elf_breakpad; | |
16 | |
17 namespace { | |
18 | |
19 const wchar_t kBreakpadProductName[] = L"ChromeElf"; | |
20 const wchar_t kBreakpadVersionEntry[] = L"ver"; | |
21 const wchar_t kBreakpadVersionDefault[] = L"0.1.0.0"; | |
22 const wchar_t kBreakpadProdEntry[] = L"prod"; | |
23 const wchar_t kBreakpadPlatformEntry[] = L"plat"; | |
24 const wchar_t kBreakpadPlatformWin32[] = L"Win32"; | |
25 | |
26 // TODO(caitkp): figure out what these should be. Current pipe works with local | |
27 // instance of crash_service.exe. | |
28 // The protocol for connecting to the out-of-process Breakpad crash | |
29 // reporter is different for x86-32 and x86-64: the message sizes | |
30 // are different because the message struct contains a pointer. As | |
31 // a result, there are two different named pipes to connect to. The | |
32 // 64-bit one is distinguished with an "-x64" suffix. | |
33 #if defined(_WIN64) | |
34 const wchar_t kGoogleUpdatePipeName[] = | |
35 L"\\\\.\\pipe\\ChromeCrashServices"; | |
36 //L"\\\\.\\pipe\\GoogleCrashServices\\S-1-5-18-x64"; | |
37 #else | |
38 const wchar_t kGoogleUpdatePipeName[] = | |
39 L"\\\\.\\pipe\\ChromeCrashServices"; | |
40 //L"\\\\.\\pipe\\GoogleCrashServices\\S-1-5-18"; | |
41 #endif | |
42 | |
43 google_breakpad::CustomClientInfo* GetCustomInfo() { | |
44 static google_breakpad::CustomInfoEntry ver_entry( | |
45 kBreakpadVersionEntry, TEXT(CHROME_VERSION_STRING)); | |
46 static google_breakpad::CustomInfoEntry prod_entry( | |
47 kBreakpadProdEntry, kBreakpadProductName); | |
48 static google_breakpad::CustomInfoEntry plat_entry( | |
49 kBreakpadPlatformEntry, kBreakpadPlatformWin32); | |
50 static google_breakpad::CustomInfoEntry entries[] = { | |
51 ver_entry, prod_entry, plat_entry }; | |
52 static google_breakpad::CustomClientInfo custom_info = { | |
53 entries, arraysize(entries) }; | |
54 return &custom_info; | |
55 } | |
56 | |
57 } // namespace | |
58 | |
59 int GenerateCrashDump(EXCEPTION_POINTERS* exinfo) { | |
60 DWORD code = exinfo->ExceptionRecord->ExceptionCode; | |
61 if (code == EXCEPTION_BREAKPOINT || code == EXCEPTION_SINGLE_STEP) | |
62 return EXCEPTION_CONTINUE_SEARCH; | |
63 | |
64 if (g_elf_breakpad != NULL) | |
65 g_elf_breakpad->WriteMinidumpForException(exinfo); | |
66 return EXCEPTION_CONTINUE_SEARCH; | |
67 } | |
68 | |
69 void InitializeCrashReporting() { | |
70 // Disable the message box for assertions. | |
71 _CrtSetReportMode(_CRT_ASSERT, 0); | |
72 | |
73 // Get the alternate dump directory. We use the temp path. | |
robertshield
2014/02/07 20:03:08
are crashes uploaded from the temp path as well?
Cait (Slow)
2014/02/10 18:13:20
I am not sure...it seems that the temp path is whe
| |
74 // N.B. We don't use base::GetTempDir() here to avoid running more code then | |
75 // necessary before crashes can be properly reported. | |
76 wchar_t temp_directory[MAX_PATH + 1] = { 0 }; | |
robertshield
2014/02/07 20:03:08
= {}
Cait (Slow)
2014/02/10 18:13:20
Done.
| |
77 DWORD length = GetTempPath(MAX_PATH, temp_directory); | |
78 if (length == 0) | |
79 return; | |
80 | |
81 // Minidump with stacks, PEB, TEBs and unloaded module list. | |
82 MINIDUMP_TYPE dump_type = static_cast<MINIDUMP_TYPE>( | |
83 MiniDumpWithProcessThreadData | // Get PEB and TEB. | |
84 MiniDumpWithUnloadedModules | // Get unloaded modules when available. | |
85 MiniDumpWithIndirectlyReferencedMemory); // Get memory referenced by stack. | |
86 | |
87 g_elf_breakpad = new google_breakpad::ExceptionHandler( | |
88 temp_directory, | |
89 NULL, | |
90 NULL, | |
91 NULL, | |
92 google_breakpad::ExceptionHandler::HANDLER_ALL, | |
93 dump_type, | |
94 kGoogleUpdatePipeName, | |
95 GetCustomInfo()); | |
96 | |
97 if (g_elf_breakpad->IsOutOfProcess()) { | |
98 // Tells breakpad to handle breakpoint and single step exceptions. | |
99 g_elf_breakpad->set_handle_debug_exceptions(true); | |
100 } | |
101 } | |
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