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Issue 154653002: Breakpad coverage for chrome_elf start up (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Reg key checks Created 6 years, 10 months ago
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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 "chrome_elf/chrome_elf_util.h"
14 #include "version.h" // NOLINT
15
16 google_breakpad::ExceptionHandler* g_elf_breakpad;
17
18 namespace {
19
20 const wchar_t kBreakpadProductName[] = L"ChromeElf";
21 const wchar_t kBreakpadVersionEntry[] = L"ver";
22 const wchar_t kBreakpadVersionDefault[] = L"0.1.0.0";
23 const wchar_t kBreakpadProdEntry[] = L"prod";
24 const wchar_t kBreakpadPlatformEntry[] = L"plat";
25 const wchar_t kBreakpadPlatformWin32[] = L"Win32";
26
27 // TODO(caitkp): figure out what these should be. Current pipe works with local
28 // instance of crash_service.exe.
29 // The protocol for connecting to the out-of-process Breakpad crash
30 // reporter is different for x86-32 and x86-64: the message sizes
31 // are different because the message struct contains a pointer. As
32 // a result, there are two different named pipes to connect to. The
33 // 64-bit one is distinguished with an "-x64" suffix.
34 #if defined(_WIN64)
35 const wchar_t kGoogleUpdatePipeName[] =
36 L"\\\\.\\pipe\\ChromeCrashServices";
37 // L"\\\\.\\pipe\\GoogleCrashServices\\S-1-5-18-x64";
38 #else
39 const wchar_t kGoogleUpdatePipeName[] =
40 L"\\\\.\\pipe\\ChromeCrashServices";
41 // L"\\\\.\\pipe\\GoogleCrashServices\\S-1-5-18";
42 #endif
43
44
45 google_breakpad::CustomClientInfo* GetCustomInfo() {
46 static google_breakpad::CustomInfoEntry ver_entry(
47 kBreakpadVersionEntry, TEXT(CHROME_VERSION_STRING));
48 static google_breakpad::CustomInfoEntry prod_entry(
49 kBreakpadProdEntry, kBreakpadProductName);
50 static google_breakpad::CustomInfoEntry plat_entry(
51 kBreakpadPlatformEntry, kBreakpadPlatformWin32);
52 static google_breakpad::CustomInfoEntry entries[] = {
53 ver_entry, prod_entry, plat_entry };
54 static google_breakpad::CustomClientInfo custom_info = {
55 entries, arraysize(entries) };
56 return &custom_info;
57 }
58
59 } // namespace
60
61 int GenerateCrashDump(EXCEPTION_POINTERS* exinfo) {
62 DWORD code = exinfo->ExceptionRecord->ExceptionCode;
63 if (code == EXCEPTION_BREAKPOINT || code == EXCEPTION_SINGLE_STEP)
64 return EXCEPTION_CONTINUE_SEARCH;
65
66 if (g_elf_breakpad != NULL)
67 g_elf_breakpad->WriteMinidumpForException(exinfo);
68 return EXCEPTION_CONTINUE_SEARCH;
69 }
70
71 void InitializeCrashReporting() {
72 // Do not set up crash reporting if the user has not consented to it.
73 if (!AreUsageStatsEnabled())
74 return;
75
76 // Disable the message box for assertions.
77 _CrtSetReportMode(_CRT_ASSERT, 0);
78
79 // Get the alternate dump directory. We use the temp path.
80 // N.B. We don't use base::GetTempDir() here to avoid running more code then
81 // necessary before crashes can be properly reported.
82 wchar_t temp_directory[MAX_PATH + 1] = {};
83 DWORD length = GetTempPath(MAX_PATH, temp_directory);
84 if (length == 0)
85 return;
86
87 // Minidump with stacks, PEB, TEBs and unloaded module list.
88 MINIDUMP_TYPE dump_type = static_cast<MINIDUMP_TYPE>(
89 MiniDumpWithProcessThreadData | // Get PEB and TEB.
90 MiniDumpWithUnloadedModules | // Get unloaded modules when available.
91 MiniDumpWithIndirectlyReferencedMemory); // Get memory referenced by stack.
92
93 g_elf_breakpad = new google_breakpad::ExceptionHandler(
94 temp_directory,
95 NULL,
96 NULL,
97 NULL,
98 google_breakpad::ExceptionHandler::HANDLER_ALL,
99 dump_type,
100 kGoogleUpdatePipeName,
101 GetCustomInfo());
102
103 if (g_elf_breakpad->IsOutOfProcess()) {
104 // Tells breakpad to handle breakpoint and single step exceptions.
105 g_elf_breakpad->set_handle_debug_exceptions(true);
106 }
107 }
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