1 // Copyright (c) 2012 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.
5 #include "build/build_config.h"
6 #include "chrome/browser/first_run/upgrade_util.h"
8 // The entry point for all invocations of Chromium, browser and renderer. On
9 // windows, this does nothing but load chrome.dll and invoke its entry point in
10 // order to make it easy to update the app from GoogleUpdate. We don't need
11 // that extra layer with on linux.
13 #if defined(ADDRESS_SANITIZER) && defined(GOOGLE_CHROME_BUILD)
14 // Default AddressSanitizer options for the official build. These do not affect
15 // tests or non-official Chromium builds.
16 // - disable the strict memcmp() checking (http://crbug.com/178677 and
17 // http://crbug.com/178404).
18 // - set the malloc_context_size (i.e. the size of stack traces collected by
19 // ASan for each malloc/free) to 5. These stack traces tend to accumulate
20 // very fast in applications using JIT (v8 in Chrome's case), see
21 // https://code.google.com/p/address-sanitizer/issues/detail?id=177
22 // - disable the in-process symbolization, which isn't 100% compatible with
23 // the existing sandboxes and doesn't make much sense for stripped official
25 const char *kAsanDefaultOptions =
26 "malloc_context_size=5 strict_memcmp=0 symbolize=false";
28 // Override the default ASan options for the Google Chrome executable.
29 // __asan_default_options should not be instrumented, because it is called
30 // before ASan is initialized.
32 __attribute__((no_address_safety_analysis))
33 const char *__asan_default_options() {
34 return kAsanDefaultOptions;
39 int ChromeMain(int argc, const char** argv);
42 int main(int argc, const char** argv) {
43 int return_code = ChromeMain(argc, argv);
46 // Launch a new instance if we're shutting down because we detected an
47 // upgrade in the persistent mode.
48 upgrade_util::RelaunchChromeBrowserWithNewCommandLineIfNeeded();