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