// Copyright (c) 2015 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 "base/win/process_startup_helper.h" #include #include #include "base/base_switches.h" #include "base/command_line.h" namespace { // Handlers for invalid parameter and pure call. They generate a breakpoint to // tell breakpad that it needs to dump the process. // These functions should be written to be unique in order to avoid confusing // call stacks from /OPT:ICF function folding. Printing a unique message or // returning a unique value will do this. Note that for best results they need // to be unique from *all* functions in Chrome. void InvalidParameter(const wchar_t* expression, const wchar_t* function, const wchar_t* file, unsigned int line, uintptr_t reserved) { __debugbreak(); // Use a different exit code from PureCall to avoid COMDAT folding. _exit(1); } void PureCall() { __debugbreak(); // Use a different exit code from InvalidParameter to avoid COMDAT folding. _exit(2); } } // namespace namespace base { namespace win { // Register the invalid param handler and pure call handler to be able to // notify breakpad when it happens. void RegisterInvalidParamHandler() { _set_invalid_parameter_handler(InvalidParameter); _set_purecall_handler(PureCall); } void SetupCRT(const CommandLine& command_line) { #if defined(_CRTDBG_MAP_ALLOC) _CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR); _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE); #else if (!command_line.HasSwitch(switches::kDisableBreakpad)) { _CrtSetReportMode(_CRT_ASSERT, 0); } #endif } } // namespace win } // namespace base