121 lines
3.8 KiB
C++
121 lines
3.8 KiB
C++
// Copyright 2016 The Chromium Embedded Framework Authors. Portions copyright
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// 2016 The Chromium Authors. All rights reserved. Use of this source code is
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// governed by a BSD-style license that can be found in the LICENSE file.
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#include <windows.h>
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#include "libcef/common/crash_reporting_win.h"
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#include "base/debug/crash_logging.h"
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#include "base/strings/utf_string_conversions.h"
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#include "chrome/common/chrome_constants.h"
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#include "components/crash/core/common/crash_keys.h"
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namespace crash_reporting_win {
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namespace {
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// exported in crash_reporter_client.cc:
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// size_t __declspec(dllexport) __cdecl GetCrashKeyCountImpl.
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typedef size_t(__cdecl* GetCrashKeyCount)();
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// exported in crash_reporter_client.cc:
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// bool __declspec(dllexport) __cdecl GetCrashKeyImpl.
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typedef bool(__cdecl* GetCrashKey)(size_t, const char**, size_t*);
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size_t GetCrashKeyCountTrampoline() {
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static GetCrashKeyCount get_crash_key_count = []() {
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HMODULE elf_module = GetModuleHandle(chrome::kChromeElfDllName);
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return reinterpret_cast<GetCrashKeyCount>(
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elf_module ? GetProcAddress(elf_module, "GetCrashKeyCountImpl")
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: nullptr);
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}();
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if (get_crash_key_count) {
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return (get_crash_key_count)();
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}
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return 0;
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}
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bool GetCrashKeyTrampoline(size_t index,
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const char** key_name,
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size_t* max_length) {
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static GetCrashKey get_crash_key = []() {
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HMODULE elf_module = GetModuleHandle(chrome::kChromeElfDllName);
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return reinterpret_cast<GetCrashKey>(
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elf_module ? GetProcAddress(elf_module, "GetCrashKeyImpl")
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: nullptr);
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}();
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if (get_crash_key) {
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return (get_crash_key)(index, key_name, max_length);
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}
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return false;
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}
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// From chrome/common/child_process_logging_win.cc:
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// exported in breakpad_win.cc/crashpad_win.cc:
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// void __declspec(dllexport) __cdecl SetCrashKeyValueImpl.
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typedef void(__cdecl* SetCrashKeyValue)(const wchar_t*, const wchar_t*);
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// exported in breakpad_win.cc/crashpad_win.cc:
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// void __declspec(dllexport) __cdecl ClearCrashKeyValueImpl.
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typedef void(__cdecl* ClearCrashKeyValue)(const wchar_t*);
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void SetCrashKeyValueTrampoline(const base::StringPiece& key,
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const base::StringPiece& value) {
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static SetCrashKeyValue set_crash_key = []() {
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HMODULE elf_module = GetModuleHandle(chrome::kChromeElfDllName);
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return reinterpret_cast<SetCrashKeyValue>(
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elf_module ? GetProcAddress(elf_module, "SetCrashKeyValueImpl")
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: nullptr);
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}();
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if (set_crash_key) {
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(set_crash_key)(base::UTF8ToWide(key).data(),
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base::UTF8ToWide(value).data());
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}
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}
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void ClearCrashKeyValueTrampoline(const base::StringPiece& key) {
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static ClearCrashKeyValue clear_crash_key = []() {
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HMODULE elf_module = GetModuleHandle(chrome::kChromeElfDllName);
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return reinterpret_cast<ClearCrashKeyValue>(
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elf_module ? GetProcAddress(elf_module, "ClearCrashKeyValueImpl")
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: nullptr);
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}();
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if (clear_crash_key)
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(clear_crash_key)(base::UTF8ToWide(key).data());
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}
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} // namespace
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bool InitializeCrashReportingForModule() {
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base::debug::SetCrashKeyReportingFunctions(&SetCrashKeyValueTrampoline,
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&ClearCrashKeyValueTrampoline);
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std::vector<base::debug::CrashKey> keys;
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size_t key_ct = GetCrashKeyCountTrampoline();
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if (key_ct > 0U) {
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keys.reserve(key_ct);
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const char* key_name;
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size_t max_length;
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for (size_t i = 0; i < key_ct; ++i) {
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if (GetCrashKeyTrampoline(i, &key_name, &max_length))
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keys.push_back({key_name, max_length});
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}
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}
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if (!keys.empty()) {
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base::debug::InitCrashKeys(&keys[0], keys.size(),
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crash_keys::kChunkMaxLength);
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return true;
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}
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return false;
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}
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} // namespace crash_reporting_win
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