hanchenye-llvm-project/lldb/source/Initialization/SystemInitializerCommon.cpp

//===-- SystemInitializerCommon.cpp -----------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "lldb/Initialization/SystemInitializerCommon.h"

#include "lldb/Host/Host.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/Timer.h"
#include "lldb/Symbol/GoASTContext.h"
#include "lldb/Symbol/ClangASTContext.h"
#include "Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.h"
#include "Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.h"
#include "Plugins/DynamicLoader/Windows-DYLD/DynamicLoaderWindowsDYLD.h"
#include "Plugins/Instruction/ARM/EmulateInstructionARM.h"
#include "Plugins/Instruction/MIPS/EmulateInstructionMIPS.h"
#include "Plugins/Instruction/MIPS64/EmulateInstructionMIPS64.h"
#include "Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.h"
#include "Plugins/ObjectContainer/Universal-Mach-O/ObjectContainerUniversalMachO.h"
#include "Plugins/ObjectFile/ELF/ObjectFileELF.h"
#include "Plugins/ObjectFile/PECOFF/ObjectFilePECOFF.h"
#include "Plugins/OperatingSystem/Python/OperatingSystemPython.h"
#include "Plugins/OperatingSystem/Go/OperatingSystemGo.h"
#include "Plugins/Platform/Android/PlatformAndroid.h"
#include "Plugins/Platform/FreeBSD/PlatformFreeBSD.h"
#include "Plugins/Platform/Kalimba/PlatformKalimba.h"
#include "Plugins/Platform/Linux/PlatformLinux.h"
#include "Plugins/Platform/MacOSX/PlatformMacOSX.h"
#include "Plugins/Platform/MacOSX/PlatformRemoteiOS.h"
#include "Plugins/Platform/NetBSD/PlatformNetBSD.h"
#include "Plugins/Platform/Windows/PlatformWindows.h"
#include "Plugins/Process/gdb-remote/ProcessGDBRemoteLog.h"

#if defined(__APPLE__)
#include "Plugins/Platform/MacOSX/PlatformiOSSimulator.h"
#include "Plugins/DynamicLoader/Darwin-Kernel/DynamicLoaderDarwinKernel.h"
#include "Plugins/ObjectFile/Mach-O/ObjectFileMachO.h"
#include "Plugins/Platform/MacOSX/PlatformDarwinKernel.h"
#endif

#if defined(__linux__)
#include "Plugins/Process/POSIX/ProcessPOSIXLog.h"
#endif

#if defined(_MSC_VER)
#include "lldb/Host/windows/windows.h"
#include "Plugins/Process/Windows/Common/ProcessWindowsLog.h"
#endif

#include "llvm/Support/TargetSelect.h"

#include <string>

using namespace lldb_private;

static void
fatal_error_handler(void *user_data, const std::string &reason, bool gen_crash_diag)
{
    Host::SetCrashDescription(reason.c_str());
    ::abort();
}

SystemInitializerCommon::SystemInitializerCommon()
{
}

SystemInitializerCommon::~SystemInitializerCommon()
{
}

void
SystemInitializerCommon::Initialize()
{
#if defined(_MSC_VER)
    const char *disable_crash_dialog_var = getenv("LLDB_DISABLE_CRASH_DIALOG");
    if (disable_crash_dialog_var && llvm::StringRef(disable_crash_dialog_var).equals_lower("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

    Log::Initialize();
    HostInfo::Initialize();
    Timer scoped_timer(__PRETTY_FUNCTION__, __PRETTY_FUNCTION__);

    llvm::install_fatal_error_handler(fatal_error_handler, 0);

    process_gdb_remote::ProcessGDBRemoteLog::Initialize();

    // Initialize plug-ins
    ClangASTContext::Initialize();
    GoASTContext::Initialize();

    ObjectContainerBSDArchive::Initialize();
    ObjectFileELF::Initialize();
    ObjectFilePECOFF::Initialize();
    DynamicLoaderPOSIXDYLD::Initialize();
    DynamicLoaderWindowsDYLD::Initialize();
    platform_freebsd::PlatformFreeBSD::Initialize();
    platform_linux::PlatformLinux::Initialize();
    platform_netbsd::PlatformNetBSD::Initialize();
    PlatformWindows::Initialize();
    PlatformKalimba::Initialize();
    platform_android::PlatformAndroid::Initialize();

    EmulateInstructionARM::Initialize();
    EmulateInstructionMIPS::Initialize();
    EmulateInstructionMIPS64::Initialize();

    //----------------------------------------------------------------------
    // Apple/Darwin hosted plugins
    //----------------------------------------------------------------------
    DynamicLoaderMacOSXDYLD::Initialize();
    ObjectContainerUniversalMachO::Initialize();

    PlatformRemoteiOS::Initialize();
    PlatformMacOSX::Initialize();

#if defined(__APPLE__)
    PlatformiOSSimulator::Initialize();
    DynamicLoaderDarwinKernel::Initialize();
    PlatformDarwinKernel::Initialize();
    ObjectFileMachO::Initialize();
#endif
#if defined(__linux__)
    static ConstString g_linux_log_name("linux");
    ProcessPOSIXLog::Initialize(g_linux_log_name);
#endif
#if defined(_MSC_VER)
    ProcessWindowsLog::Initialize();
#endif
#ifndef LLDB_DISABLE_PYTHON
    OperatingSystemPython::Initialize();
#endif
    OperatingSystemGo::Initialize();
}

void
SystemInitializerCommon::Terminate()
{
    Timer scoped_timer(__PRETTY_FUNCTION__, __PRETTY_FUNCTION__);
    ObjectContainerBSDArchive::Terminate();
    ObjectFileELF::Terminate();
    ObjectFilePECOFF::Terminate();
    DynamicLoaderPOSIXDYLD::Terminate();
    DynamicLoaderWindowsDYLD::Terminate();
    platform_freebsd::PlatformFreeBSD::Terminate();
    platform_linux::PlatformLinux::Terminate();
    platform_netbsd::PlatformNetBSD::Terminate();
    PlatformWindows::Terminate();
    PlatformKalimba::Terminate();
    platform_android::PlatformAndroid::Terminate();
    DynamicLoaderMacOSXDYLD::Terminate();
    ObjectContainerUniversalMachO::Terminate();
    PlatformMacOSX::Terminate();
    PlatformRemoteiOS::Terminate();

    ClangASTContext::Terminate();
    GoASTContext::Terminate();

    EmulateInstructionARM::Terminate();
    EmulateInstructionMIPS::Terminate();
    EmulateInstructionMIPS64::Terminate();

#if defined(__APPLE__)
    PlatformiOSSimulator::Terminate();
    DynamicLoaderDarwinKernel::Terminate();
    ObjectFileMachO::Terminate();
    PlatformDarwinKernel::Terminate();
#endif

#if defined(_MSC_VER)
    ProcessWindowsLog::Terminate();
#endif

#ifndef LLDB_DISABLE_PYTHON
    OperatingSystemPython::Terminate();
#endif
    OperatingSystemGo::Terminate();

    HostInfo::Terminate();
    Log::Terminate();
}