Esempio n. 1
0
  private static synchronized void initialize(TypeDataBase db) {
    Type type = db.lookupType("JavaThread");
    osThreadField = type.getAddressField("_osthread");

    Type anchorType = db.lookupType("JavaFrameAnchor");
    lastJavaFPField = anchorType.getAddressField("_last_Java_fp");

    Type osThreadType = db.lookupType("OSThread");
    osThreadThreadIDField = osThreadType.getCIntegerField("_thread_id");
  }
  private static synchronized void initialize(TypeDataBase db) {
    Type type = db.lookupType("InterpreterCodelet");

    sizeField = type.getCIntegerField("_size");
    descriptionField = type.getAddressField("_description");
    isSafepointSafeField = type.getJIntField("_is_safepoint_safe");
    bytecodeField = type.getCIntegerField("_bytecode");

    instanceSize = type.getSize();
  }
Esempio n. 3
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  private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
    Type type = db.lookupType("methodOopDesc");
    constMethod = new OopField(type.getOopField("_constMethod"), 0);
    constants = new OopField(type.getOopField("_constants"), 0);
    methodSize = new CIntField(type.getCIntegerField("_method_size"), 0);
    maxStack = new CIntField(type.getCIntegerField("_max_stack"), 0);
    maxLocals = new CIntField(type.getCIntegerField("_max_locals"), 0);
    sizeOfParameters = new CIntField(type.getCIntegerField("_size_of_parameters"), 0);
    accessFlags = new CIntField(type.getCIntegerField("_access_flags"), 0);
    code = type.getAddressField("_code");
    vtableIndex = new CIntField(type.getCIntegerField("_vtable_index"), 0);
    if (!VM.getVM().isCore()) {
      invocationCounter = new CIntField(type.getCIntegerField("_invocation_counter"), 0);
    }
    bytecodeOffset = type.getSize();

    /*
    interpreterEntry           = type.getAddressField("_interpreter_entry");
    fromCompiledCodeEntryPoint = type.getAddressField("_from_compiled_code_entry_point");

    */
    objectInitializerName = null;
    classInitializerName = null;
  }
  private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
    Type type = db.lookupType("instanceKlass");
    arrayKlasses = new OopField(type.getOopField("_array_klasses"), Oop.getHeaderSize());
    methods = new OopField(type.getOopField("_methods"), Oop.getHeaderSize());
    methodOrdering = new OopField(type.getOopField("_method_ordering"), Oop.getHeaderSize());
    localInterfaces = new OopField(type.getOopField("_local_interfaces"), Oop.getHeaderSize());
    transitiveInterfaces =
        new OopField(type.getOopField("_transitive_interfaces"), Oop.getHeaderSize());
    nofImplementors =
        new CIntField(type.getCIntegerField("_nof_implementors"), Oop.getHeaderSize());
    IMPLEMENTORS_LIMIT = db.lookupIntConstant("instanceKlass::implementors_limit").intValue();
    implementors = new OopField[IMPLEMENTORS_LIMIT];
    for (int i = 0; i < IMPLEMENTORS_LIMIT; i++) {
      long arrayOffset = Oop.getHeaderSize() + (i * db.getAddressSize());
      implementors[i] = new OopField(type.getOopField("_implementors[0]"), arrayOffset);
    }
    fields = new OopField(type.getOopField("_fields"), Oop.getHeaderSize());
    constants = new OopField(type.getOopField("_constants"), Oop.getHeaderSize());
    classLoader = new OopField(type.getOopField("_class_loader"), Oop.getHeaderSize());
    protectionDomain = new OopField(type.getOopField("_protection_domain"), Oop.getHeaderSize());
    signers = new OopField(type.getOopField("_signers"), Oop.getHeaderSize());
    sourceFileName = new OopField(type.getOopField("_source_file_name"), Oop.getHeaderSize());
    sourceDebugExtension =
        new OopField(type.getOopField("_source_debug_extension"), Oop.getHeaderSize());
    innerClasses = new OopField(type.getOopField("_inner_classes"), Oop.getHeaderSize());
    nonstaticFieldSize =
        new CIntField(type.getCIntegerField("_nonstatic_field_size"), Oop.getHeaderSize());
    staticFieldSize =
        new CIntField(type.getCIntegerField("_static_field_size"), Oop.getHeaderSize());
    staticOopFieldSize =
        new CIntField(type.getCIntegerField("_static_oop_field_size"), Oop.getHeaderSize());
    nonstaticOopMapSize =
        new CIntField(type.getCIntegerField("_nonstatic_oop_map_size"), Oop.getHeaderSize());
    isMarkedDependent =
        new CIntField(type.getCIntegerField("_is_marked_dependent"), Oop.getHeaderSize());
    initState = new CIntField(type.getCIntegerField("_init_state"), Oop.getHeaderSize());
    vtableLen = new CIntField(type.getCIntegerField("_vtable_len"), Oop.getHeaderSize());
    itableLen = new CIntField(type.getCIntegerField("_itable_len"), Oop.getHeaderSize());
    breakpoints = type.getAddressField("_breakpoints");
    genericSignature = new OopField(type.getOopField("_generic_signature"), Oop.getHeaderSize());
    majorVersion = new CIntField(type.getCIntegerField("_major_version"), Oop.getHeaderSize());
    minorVersion = new CIntField(type.getCIntegerField("_minor_version"), Oop.getHeaderSize());
    headerSize = alignObjectOffset(Oop.getHeaderSize() + type.getSize());

    // read field offset constants
    ACCESS_FLAGS_OFFSET = db.lookupIntConstant("instanceKlass::access_flags_offset").intValue();
    NAME_INDEX_OFFSET = db.lookupIntConstant("instanceKlass::name_index_offset").intValue();
    SIGNATURE_INDEX_OFFSET =
        db.lookupIntConstant("instanceKlass::signature_index_offset").intValue();
    INITVAL_INDEX_OFFSET = db.lookupIntConstant("instanceKlass::initval_index_offset").intValue();
    LOW_OFFSET = db.lookupIntConstant("instanceKlass::low_offset").intValue();
    HIGH_OFFSET = db.lookupIntConstant("instanceKlass::high_offset").intValue();
    GENERIC_SIGNATURE_INDEX_OFFSET =
        db.lookupIntConstant("instanceKlass::generic_signature_offset").intValue();
    NEXT_OFFSET = db.lookupIntConstant("instanceKlass::next_offset").intValue();
    // read ClassState constants
    CLASS_STATE_UNPARSABLE_BY_GC =
        db.lookupIntConstant("instanceKlass::unparsable_by_gc").intValue();
    CLASS_STATE_ALLOCATED = db.lookupIntConstant("instanceKlass::allocated").intValue();
    CLASS_STATE_LOADED = db.lookupIntConstant("instanceKlass::loaded").intValue();
    CLASS_STATE_LINKED = db.lookupIntConstant("instanceKlass::linked").intValue();
    CLASS_STATE_BEING_INITIALIZED =
        db.lookupIntConstant("instanceKlass::being_initialized").intValue();
    CLASS_STATE_FULLY_INITIALIZED =
        db.lookupIntConstant("instanceKlass::fully_initialized").intValue();
    CLASS_STATE_INITIALIZATION_ERROR =
        db.lookupIntConstant("instanceKlass::initialization_error").intValue();
  }