Esempio n. 1
0
std::pair<bool, bool> LangOptions::setTarget(llvm::Triple triple) {
  clearAllPlatformConditionValues();

  if (triple.getOS() == llvm::Triple::Darwin &&
      triple.getVendor() == llvm::Triple::Apple) {
    // Rewrite darwinX.Y triples to macosx10.X'.Y ones.
    // It affects code generation on our platform.
    llvm::SmallString<16> osxBuf;
    llvm::raw_svector_ostream osx(osxBuf);
    osx << llvm::Triple::getOSTypeName(llvm::Triple::MacOSX);

    unsigned major, minor, micro;
    triple.getMacOSXVersion(major, minor, micro);
    osx << major << "." << minor;
    if (micro != 0)
      osx << "." << micro;

    triple.setOSName(osx.str());
  }
  Target = std::move(triple);

  bool UnsupportedOS = false;

  // Set the "os" platform condition.
  if (Target.isMacOSX())
    addPlatformConditionValue(PlatformConditionKind::OS, "OSX");
  else if (triple.isTvOS())
    addPlatformConditionValue(PlatformConditionKind::OS, "tvOS");
  else if (triple.isWatchOS())
    addPlatformConditionValue(PlatformConditionKind::OS, "watchOS");
  else if (triple.isiOS())
    addPlatformConditionValue(PlatformConditionKind::OS, "iOS");
  else if (triple.isAndroid())
    addPlatformConditionValue(PlatformConditionKind::OS, "Android");
  else if (triple.isOSLinux())
    addPlatformConditionValue(PlatformConditionKind::OS, "Linux");
  else if (triple.isOSFreeBSD())
    addPlatformConditionValue(PlatformConditionKind::OS, "FreeBSD");
  else if (triple.isOSWindows())
    addPlatformConditionValue(PlatformConditionKind::OS, "Windows");
  else if (triple.isWindowsCygwinEnvironment())
    addPlatformConditionValue(PlatformConditionKind::OS, "Cygwin");
  else if (triple.isPS4())
    addPlatformConditionValue(PlatformConditionKind::OS, "PS4");
  else
    UnsupportedOS = true;

  bool UnsupportedArch = false;

  // Set the "arch" platform condition.
  switch (Target.getArch()) {
  case llvm::Triple::ArchType::arm:
  case llvm::Triple::ArchType::thumb:
    addPlatformConditionValue(PlatformConditionKind::Arch, "arm");
    break;
  case llvm::Triple::ArchType::aarch64:
    addPlatformConditionValue(PlatformConditionKind::Arch, "arm64");
    break;
  case llvm::Triple::ArchType::ppc64:
    addPlatformConditionValue(PlatformConditionKind::Arch, "powerpc64");
    break;
  case llvm::Triple::ArchType::ppc64le:
    addPlatformConditionValue(PlatformConditionKind::Arch, "powerpc64le");
    break;
  case llvm::Triple::ArchType::x86:
    addPlatformConditionValue(PlatformConditionKind::Arch, "i386");
    break;
  case llvm::Triple::ArchType::x86_64:
    addPlatformConditionValue(PlatformConditionKind::Arch, "x86_64");
    break;
  case llvm::Triple::ArchType::systemz:
    addPlatformConditionValue(PlatformConditionKind::Arch, "s390x");
    break;
  default:
    UnsupportedArch = true;
  }

  if (UnsupportedOS || UnsupportedArch)
    return { UnsupportedOS, UnsupportedArch };

  // Set the "_endian" platform condition.
  switch (Target.getArch()) {
  case llvm::Triple::ArchType::arm:
  case llvm::Triple::ArchType::thumb:
    addPlatformConditionValue(PlatformConditionKind::Endianness, "little");
    break;
  case llvm::Triple::ArchType::aarch64:
    addPlatformConditionValue(PlatformConditionKind::Endianness, "little");
    break;
  case llvm::Triple::ArchType::ppc64:
    addPlatformConditionValue(PlatformConditionKind::Endianness, "big");
    break;
  case llvm::Triple::ArchType::ppc64le:
    addPlatformConditionValue(PlatformConditionKind::Endianness, "little");
    break;
  case llvm::Triple::ArchType::x86:
    addPlatformConditionValue(PlatformConditionKind::Endianness, "little");
    break;
  case llvm::Triple::ArchType::x86_64:
    addPlatformConditionValue(PlatformConditionKind::Endianness, "little");
    break;
  case llvm::Triple::ArchType::systemz:
    addPlatformConditionValue(PlatformConditionKind::Endianness, "big");
    break;
  default:
    llvm_unreachable("undefined architecture endianness");
  }

  // Set the "runtime" platform condition.
  if (EnableObjCInterop)
    addPlatformConditionValue(PlatformConditionKind::Runtime, "_ObjC");
  else
    addPlatformConditionValue(PlatformConditionKind::Runtime, "_Native");

  // If you add anything to this list, change the default size of
  // PlatformConditionValues to not require an extra allocation
  // in the common case.

  return { false, false };
}
Esempio n. 2
0
std::pair<bool, bool> LangOptions::setTarget(llvm::Triple triple) {
  clearAllTargetConfigOptions();

  if (triple.getOS() == llvm::Triple::Darwin &&
      triple.getVendor() == llvm::Triple::Apple) {
    // Rewrite darwinX.Y triples to macosx10.X'.Y ones.
    // It affects code generation on our platform.
    llvm::SmallString<16> osxBuf;
    llvm::raw_svector_ostream osx(osxBuf);
    osx << llvm::Triple::getOSTypeName(llvm::Triple::MacOSX);

    unsigned major, minor, micro;
    triple.getMacOSXVersion(major, minor, micro);
    osx << major << "." << minor;
    if (micro != 0)
      osx << "." << micro;

    triple.setOSName(osx.str());
  }
  Target = std::move(triple);

  bool UnsupportedOS = false;

  // Set the "os" target configuration.
  if (Target.isMacOSX())
    addTargetConfigOption("os", "OSX");
  else if (triple.isTvOS())
    addTargetConfigOption("os", "tvOS");
  else if (triple.isWatchOS())
    addTargetConfigOption("os", "watchOS");
  else if (triple.isiOS())
    addTargetConfigOption("os", "iOS");
  else if (triple.isOSLinux())
    addTargetConfigOption("os", "Linux");
  else {
    UnsupportedOS = true;
  }

  bool UnsupportedArch = false;

  // Set the "arch" target configuration.
  switch (Target.getArch()) {
  case llvm::Triple::ArchType::arm:
    addTargetConfigOption("arch", "arm");
    break;
  case llvm::Triple::ArchType::aarch64:
    addTargetConfigOption("arch", "arm64");
    break;
  case llvm::Triple::ArchType::x86:
    addTargetConfigOption("arch", "i386");
    break;
  case llvm::Triple::ArchType::x86_64:
    addTargetConfigOption("arch", "x86_64");
    break;
  default:
    UnsupportedArch = true;
  }

  if (UnsupportedOS || UnsupportedArch)
    return { UnsupportedOS, UnsupportedArch };

  // Set the "runtime" target configuration.
  if (EnableObjCInterop)
    addTargetConfigOption("_runtime", "_ObjC");
  else
    addTargetConfigOption("_runtime", "_Native");

  return { false, false };
}