blob: 14e7ffc4449ebfedc252a78afc3adb2004113a67 [file] [log] [blame]
// Copyright 2015 The Crashpad Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <intrin.h>
#include <windows.h>
#include "base/check_op.h"
#include "client/crashpad_client.h"
#include "client/simulate_crash.h"
#include "util/misc/capture_context.h"
#include "util/win/address_types.h"
#include "util/win/context_wrappers.h"
int wmain(int argc, wchar_t* argv[]) {
CHECK_EQ(argc, 2);
crashpad::CrashpadClient client;
CHECK(client.SetHandlerIPCPipe(argv[1]));
HANDLE out = GetStdHandle(STD_OUTPUT_HANDLE);
PCHECK(out != INVALID_HANDLE_VALUE) << "GetStdHandle";
CONTEXT context;
crashpad::CaptureContext(&context);
crashpad::WinVMAddress break_address =
reinterpret_cast<crashpad::WinVMAddress>(
crashpad::ProgramCounterFromCONTEXT(&context));
// This does not used CheckedWriteFile() because at high optimization
// settings, a lot of logging code can be inlined, causing there to be a large
// number of instructions between where the IP is captured and the actual
// __debugbreak(). Instead call Windows' WriteFile() to minimize the amount of
// code here. Because the next line is going to crash in any case, there's
// minimal difference in behavior aside from an indication of what broke when
// the other end experiences a ReadFile() error.
DWORD bytes_written;
WriteFile(
out, &break_address, sizeof(break_address), &bytes_written, nullptr);
CRASHPAD_SIMULATE_CRASH();
return 0;
}