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//===-- SystemInitializerCommon.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 "lldb/Initialization/SystemInitializerCommon.h"
#include "Plugins/Process/gdb-remote/ProcessGDBRemoteLog.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Host/Host.h"
#include "lldb/Host/Socket.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/ReproducerProvider.h"
#include "lldb/Utility/Timer.h"
#include "lldb/lldb-private.h"
#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__)
#include "Plugins/Process/POSIX/ProcessPOSIXLog.h"
#endif
#if defined(_WIN32)
#include "Plugins/Process/Windows/Common/ProcessWindowsLog.h"
#include "lldb/Host/windows/windows.h"
#include <crtdbg.h>
#endif
#include "llvm/Support/TargetSelect.h"
#include <string>
using namespace lldb_private;
using namespace lldb_private::repro;
SystemInitializerCommon::SystemInitializerCommon(
HostInfo::SharedLibraryDirectoryHelper *helper)
: m_shlib_dir_helper(helper) {}
SystemInitializerCommon::~SystemInitializerCommon() = default;
/// Initialize the FileSystem based on the current reproducer mode.
static llvm::Error InitializeFileSystem() {
auto &r = repro::Reproducer::Instance();
if (repro::Loader *loader = r.GetLoader()) {
FileSpec vfs_mapping = loader->GetFile<FileProvider::Info>();
if (vfs_mapping) {
if (llvm::Error e = FileSystem::Initialize(vfs_mapping))
return e;
} else {
FileSystem::Initialize();
}
// Set the current working directory form the reproducer.
llvm::Expected<std::string> working_dir =
repro::GetDirectoryFrom<WorkingDirectoryProvider>(loader);
if (!working_dir)
return working_dir.takeError();
if (std::error_code ec = FileSystem::Instance()
.GetVirtualFileSystem()
->setCurrentWorkingDirectory(*working_dir)) {
return llvm::errorCodeToError(ec);
}
// Set the home directory from the reproducer.
llvm::Expected<std::string> home_dir =
repro::GetDirectoryFrom<HomeDirectoryProvider>(loader);
if (!home_dir)
return home_dir.takeError();
FileSystem::Instance().SetHomeDirectory(*home_dir);
return llvm::Error::success();
}
if (repro::Generator *g = r.GetGenerator()) {
repro::VersionProvider &vp = g->GetOrCreate<repro::VersionProvider>();
vp.SetVersion(lldb_private::GetVersion());
repro::FileProvider &fp = g->GetOrCreate<repro::FileProvider>();
FileSystem::Initialize(fp.GetFileCollector());
fp.RecordInterestingDirectory(
g->GetOrCreate<repro::WorkingDirectoryProvider>().GetDirectory());
fp.RecordInterestingDirectory(
g->GetOrCreate<repro::HomeDirectoryProvider>().GetDirectory());
return llvm::Error::success();
}
FileSystem::Initialize();
return llvm::Error::success();
}
llvm::Error SystemInitializerCommon::Initialize() {
#if defined(_WIN32)
const char *disable_crash_dialog_var = getenv("LLDB_DISABLE_CRASH_DIALOG");
if (disable_crash_dialog_var &&
llvm::StringRef(disable_crash_dialog_var).equals_insensitive("true")) {
// This will prevent Windows from displaying a dialog box requiring user
// interaction when
// LLDB crashes. This is mostly useful when automating LLDB, for example
// via the test
// suite, so that a crash in LLDB does not prevent completion of the test
// suite.
::SetErrorMode(GetErrorMode() | SEM_FAILCRITICALERRORS |
SEM_NOGPFAULTERRORBOX);
_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
_CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
_CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
_CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
}
#endif
// If the reproducer wasn't initialized before, we can safely assume it's
// off.
if (!Reproducer::Initialized()) {
if (auto e = Reproducer::Initialize(ReproducerMode::Off, llvm::None))
return e;
}
if (auto e = InitializeFileSystem())
return e;
Log::Initialize();
HostInfo::Initialize(m_shlib_dir_helper);
llvm::Error error = Socket::Initialize();
if (error)
return error;
LLDB_SCOPED_TIMER();
process_gdb_remote::ProcessGDBRemoteLog::Initialize();
#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__)
ProcessPOSIXLog::Initialize();
#endif
#if defined(_WIN32)
ProcessWindowsLog::Initialize();
#endif
return llvm::Error::success();
}
void SystemInitializerCommon::Terminate() {
LLDB_SCOPED_TIMER();
#if defined(_WIN32)
ProcessWindowsLog::Terminate();
#endif
Socket::Terminate();
HostInfo::Terminate();
Log::DisableAllLogChannels();
FileSystem::Terminate();
Reproducer::Terminate();
}
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