//===-- PlatformRemoteAppleTV.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 <string>

#include <vector>

#include "PlatformRemoteAppleTV.h"

#include "lldb/Breakpoint/BreakpointLocation.h"

#include "lldb/Core/Module.h"

#include "lldb/Core/ModuleList.h"

#include "lldb/Core/ModuleSpec.h"

#include "lldb/Core/PluginManager.h"

#include "lldb/Host/Host.h"

#include "lldb/Target/Process.h"

#include "lldb/Target/Target.h"

#include "lldb/Utility/ArchSpec.h"

#include "lldb/Utility/FileSpec.h"

#include "lldb/Utility/LLDBLog.h"

#include "lldb/Utility/Log.h"

#include "lldb/Utility/Status.h"

#include "lldb/Utility/StreamString.h"

using namespace lldb;

using namespace lldb_private;

/// Default Constructor

PlatformRemoteAppleTV::PlatformRemoteAppleTV()

    : PlatformRemoteDarwinDevice () {}

// Static Variables

static uint32_t g_initialize_count = 0;

// Static Functions

void PlatformRemoteAppleTV::Initialize() {

  PlatformDarwin::Initialize();

  if (g_initialize_count++ == 0) {

    PluginManager::RegisterPlugin(PlatformRemoteAppleTV::GetPluginNameStatic(),

                                  PlatformRemoteAppleTV::GetDescriptionStatic(),

                                  PlatformRemoteAppleTV::CreateInstance);

  }

}

void PlatformRemoteAppleTV::Terminate() {

  if (g_initialize_count > 0) {

    if (--g_initialize_count == 0) {

      PluginManager::UnregisterPlugin(PlatformRemoteAppleTV::CreateInstance);

    }

  }

  PlatformDarwin::Terminate();

}

PlatformSP PlatformRemoteAppleTV::CreateInstance(bool force,

                                                 const ArchSpec *arch) {

  Log *log = GetLog(LLDBLog::Platform);

  if (log) {

    const char *arch_name;

    if (arch && arch->GetArchitectureName())

      arch_name = arch->GetArchitectureName();

    else

      arch_name = "<null>";

    const char *triple_cstr =

        arch ? arch->GetTriple().getTriple().c_str() : "<null>";

    LLDB_LOGF(log, "PlatformRemoteAppleTV::%s(force=%s, arch={%s,%s})",

              __FUNCTION__, force ? "true" : "false", arch_name, triple_cstr);

  }

  bool create = force;

  if (!create && 
arch203
 && 
arch->IsValid()203
) {

    switch (arch->GetMachine()) {

    case llvm::Triple::arm:

    case llvm::Triple::aarch64:

    case llvm::Triple::thumb: {

      const llvm::Triple &triple = arch->GetTriple();

      llvm::Triple::VendorType vendor = triple.getVendor();

      switch (vendor) {

      case llvm::Triple::Apple:

        create = true;

        break;

#if defined(__APPLE__)

      // Only accept "unknown" for the vendor if the host is Apple and

      // "unknown" wasn't specified (it was just returned because it was NOT

      // specified)

      case llvm::Triple::UnknownVendor:

        create = !arch->TripleVendorWasSpecified();

        break;

#endif

      default:

        break;

      }

      if (create) {

        switch (triple.getOS()) {

        case llvm::Triple::TvOS: // This is the right triple value for Apple TV

                                 // debugging

          break;

        default:

          create = false;

          break;

        }

      }

    } break;

    default:

      break;

    }

  }

  if (create) {

    LLDB_LOGF(log, "PlatformRemoteAppleTV::%s() creating platform",

              __FUNCTION__);

    return lldb::PlatformSP(new PlatformRemoteAppleTV());

  }

  LLDB_LOGF(log, "PlatformRemoteAppleTV::%s() aborting creation of platform",

            __FUNCTION__);

  return lldb::PlatformSP();

}

llvm::StringRef PlatformRemoteAppleTV::GetDescriptionStatic() {

  return "Remote Apple TV platform plug-in.";

}

std::vector<ArchSpec> PlatformRemoteAppleTV::GetSupportedArchitectures(

    const ArchSpec &process_host_arch) {

  ArchSpec system_arch(GetSystemArchitecture());

  const ArchSpec::Core system_core = system_arch.GetCore();

  switch (system_core) {

  default:

  case ArchSpec::eCore_arm_arm64:

    return {ArchSpec("arm64-apple-tvos"), ArchSpec("armv7s-apple-tvos"),

            ArchSpec("armv7-apple-tvos"), ArchSpec("thumbv7s-apple-tvos"),

            ArchSpec("thumbv7-apple-tvos")};

  case ArchSpec::eCore_arm_armv7s:

    return {ArchSpec("armv7s-apple-tvos"), ArchSpec("armv7-apple-tvos"),

            ArchSpec("thumbv7s-apple-tvos"), ArchSpec("thumbv7-apple-tvos")};

  case ArchSpec::eCore_arm_armv7:

    return {ArchSpec("armv7-apple-tvos"), ArchSpec("thumbv7-apple-tvos")};

  }

}

llvm::StringRef PlatformRemoteAppleTV::GetDeviceSupportDirectoryName() {

  return "tvOS DeviceSupport";

}

llvm::StringRef PlatformRemoteAppleTV::GetPlatformName() {

  return "AppleTVOS.platform";

}