content/app/startup_helper_win.cc

   1 // Copyright (c) 2011 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 #include "content/public/app/startup_helper_win.h"
   6
   7 #include <crtdbg.h>
   8 #include <new.h>
   9
  10 #include "base/base_switches.h"
  11 #include "base/command_line.h"
  12 #include "base/win/windows_version.h"
  13 #include "sandbox/win/src/process_mitigations.h"
  14 #include "sandbox/win/src/sandbox_factory.h"
  15
  16 namespace {
  17
  18 #pragma optimize("", off)
  19 // Handlers for invalid parameter and pure call. They generate a breakpoint to
  20 // tell breakpad that it needs to dump the process.
  21 void InvalidParameter(const wchar_t* expression, const wchar_t* function,
  22                       const wchar_t* file, unsigned int line,
  23                       uintptr_t reserved) {
  24   __debugbreak();
  25   _exit(1);
  26 }
  27
  28 void PureCall() {
  29   __debugbreak();
  30   _exit(1);
  31 }
  32 #pragma optimize("", on)
  33
  34 }  // namespace
  35
  36 namespace content {
  37
  38 void InitializeSandboxInfo(sandbox::SandboxInterfaceInfo* info) {
  39   info->broker_services = sandbox::SandboxFactory::GetBrokerServices();
  40   if (!info->broker_services) {
  41     info->target_services = sandbox::SandboxFactory::GetTargetServices();
  42   } else {
  43     // Ensure the proper mitigations are enforced for the browser process.
  44     sandbox::ApplyProcessMitigationsToCurrentProcess(
  45         sandbox::MITIGATION_DEP |
  46         sandbox::MITIGATION_DEP_NO_ATL_THUNK);
  47   }
  48 }
  49
  50 // Register the invalid param handler and pure call handler to be able to
  51 // notify breakpad when it happens.
  52 void RegisterInvalidParamHandler() {
  53   _set_invalid_parameter_handler(InvalidParameter);
  54   _set_purecall_handler(PureCall);
  55   // Also enable the new handler for malloc() based failures.
  56   _set_new_mode(1);
  57 }
  58
  59 void SetupCRT(const base::CommandLine& command_line) {
  60 #if defined(_CRTDBG_MAP_ALLOC)
  61   _CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
  62   _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
  63 #else
  64   if (!command_line.HasSwitch(switches::kDisableBreakpad)) {
  65     _CrtSetReportMode(_CRT_ASSERT, 0);
  66   }
  67 #endif
  68 }
  69
  70 }  // namespace content