//===-- InitLLVM.cpp -----------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "llvm/Support/InitLLVM.h" #include "llvm/Support/Error.h" #include "llvm/Support/ManagedStatic.h" #include "llvm/Support/PrettyStackTrace.h" #include "llvm/Support/Process.h" #include "llvm/Support/Signals.h" #include <string> #ifdef _WIN32 #include "llvm/Support/Windows/WindowsSupport.h" #endif using namespace llvm; using namespace llvm::sys; InitLLVM::InitLLVM(int &Argc, const char **&Argv, bool InstallPipeSignalExitHandler) : StackPrinter(Argc, Argv) { if (InstallPipeSignalExitHandler) sys::SetOneShotPipeSignalFunction(sys::DefaultOneShotPipeSignalHandler); sys::PrintStackTraceOnErrorSignal(Argv[0]); install_out_of_memory_new_handler(); #ifdef _WIN32 // We use UTF-8 as the internal character encoding. On Windows, // arguments passed to main() may not be encoded in UTF-8. In order // to reliably detect encoding of command line arguments, we use an // Windows API to obtain arguments, convert them to UTF-8, and then // write them back to the Argv vector. // // There's probably other way to do the same thing (e.g. using // wmain() instead of main()), but this way seems less intrusive // than that. std::string Banner = std::string(Argv[0]) + ": "; ExitOnError ExitOnErr(Banner); ExitOnErr(errorCodeToError(windows::GetCommandLineArguments(Args, Alloc))); // GetCommandLineArguments doesn't terminate the vector with a // nullptr. Do it to make it compatible with the real argv. Args.push_back(nullptr); Argc = Args.size() - 1; Argv = Args.data(); #endif } InitLLVM::~InitLLVM() { llvm_shutdown(); } |