| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "build/build_config.h" |
| #include "chrome/browser/first_run/upgrade_util.h" |
| |
| // The entry point for all invocations of Chromium, browser and renderer. On |
| // windows, this does nothing but load chrome.dll and invoke its entry point in |
| // order to make it easy to update the app from GoogleUpdate. We don't need |
| // that extra layer with on linux. |
| |
| #if defined(ADDRESS_SANITIZER) && defined(GOOGLE_CHROME_BUILD) |
| // Default AddressSanitizer options for the official build. These do not affect |
| // tests or non-official Chromium builds. |
| // - disable the strict memcmp() checking (http://crbug.com/178677 and |
| // http://crbug.com/178404). |
| // - set the malloc_context_size (i.e. the size of stack traces collected by |
| // ASan for each malloc/free) to 5. These stack traces tend to accumulate |
| // very fast in applications using JIT (v8 in Chrome's case), see |
| // https://code.google.com/p/address-sanitizer/issues/detail?id=177 |
| // - disable the in-process symbolization, which isn't 100% compatible with |
| // the existing sandboxes and doesn't make much sense for stripped official |
| // binaries. |
| const char *kAsanDefaultOptions = |
| "malloc_context_size=5 strict_memcmp=0 symbolize=false"; |
| |
| // Override the default ASan options for the Google Chrome executable. |
| // __asan_default_options should not be instrumented, because it is called |
| // before ASan is initialized. |
| extern "C" |
| __attribute__((no_address_safety_analysis)) |
| const char *__asan_default_options() { |
| return kAsanDefaultOptions; |
| } |
| #endif |
| |
| extern "C" { |
| int ChromeMain(int argc, const char** argv); |
| } |
| |
| int main(int argc, const char** argv) { |
| int return_code = ChromeMain(argc, argv); |
| |
| #if defined(OS_LINUX) |
| // Launch a new instance if we're shutting down because we detected an |
| // upgrade in the persistent mode. |
| upgrade_util::RelaunchChromeBrowserWithNewCommandLineIfNeeded(); |
| #endif |
| |
| return return_code; |
| } |