private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
Type type = db.lookupType("constantPoolCacheOopDesc");
constants = new OopField(type.getOopField("_constant_pool"), 0);
baseOffset = type.getSize();
Type elType = db.lookupType("ConstantPoolCacheEntry");
elementSize = elType.getSize();
length = new CIntField(type.getCIntegerField("_length"), 0);
}
private static synchronized void initialize(TypeDataBase db) {
Type type = db.lookupType("JNIHandleBlock");
handlesField = type.getField("_handles");
topField = type.getCIntegerField("_top");
nextField = type.getAddressField("_next");
blockSizeInOops = db.lookupIntConstant("JNIHandleBlock::block_size_in_oops").intValue();
}
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 void initialize(TypeDataBase db) {
if (VM.getVM().isServerCompiler()) {
Type type = db.lookupType("Matcher");
Field f = type.getField("_regEncode");
matcherRegEncodeAddr = f.getStaticFieldAddress();
}
}
private static void initialize(TypeDataBase db) {
Type type = db.lookupType("oopDesc");
if (VM.getVM().isCompressedOopsEnabled()) {
klassField = type.getNarrowOopField("_metadata._compressed_klass");
} else {
klassField = type.getOopField("_metadata._klass");
}
}
private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
Type type = db.lookupType("constantPoolOopDesc");
tags = new OopField(type.getOopField("_tags"), 0);
cache = new OopField(type.getOopField("_cache"), 0);
poolHolder = new OopField(type.getOopField("_pool_holder"), 0);
length = new CIntField(type.getCIntegerField("_length"), 0);
headerSize = type.getSize();
elementSize = 0;
}
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();
}
private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
Type type = db.lookupType("arrayKlass");
dimension = new CIntField(type.getCIntegerField("_dimension"), Oop.getHeaderSize());
higherDimension = new OopField(type.getOopField("_higher_dimension"), Oop.getHeaderSize());
lowerDimension = new OopField(type.getOopField("_lower_dimension"), Oop.getHeaderSize());
vtableLen = new CIntField(type.getCIntegerField("_vtable_len"), Oop.getHeaderSize());
allocSize = new CIntField(type.getCIntegerField("_alloc_size"), Oop.getHeaderSize());
componentMirror = new OopField(type.getOopField("_component_mirror"), Oop.getHeaderSize());
javaLangCloneableName = null;
javaLangObjectName = null;
javaIoSerializableName = null;
}
private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
Type type = db.lookupType("Method");
constMethod = type.getAddressField("_constMethod");
methodData = type.getAddressField("_method_data");
methodCounters = type.getAddressField("_method_counters");
methodSize = new CIntField(type.getCIntegerField("_method_size"), 0);
accessFlags = new CIntField(type.getCIntegerField("_access_flags"), 0);
code = type.getAddressField("_code");
vtableIndex = new CIntField(type.getCIntegerField("_vtable_index"), 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("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();
}
private static void initialize(TypeDataBase db) {
if (Assert.ASSERTS_ENABLED) {
Assert.that(!VM.getVM().isCore(), "Debug info not used in core build");
}
OFFSET_MASK = db.lookupIntConstant("Location::OFFSET_MASK").intValue();
OFFSET_SHIFT = db.lookupIntConstant("Location::OFFSET_SHIFT").intValue();
TYPE_MASK = db.lookupIntConstant("Location::TYPE_MASK").intValue();
TYPE_SHIFT = db.lookupIntConstant("Location::TYPE_SHIFT").intValue();
WHERE_MASK = db.lookupIntConstant("Location::WHERE_MASK").intValue();
WHERE_SHIFT = db.lookupIntConstant("Location::WHERE_SHIFT").intValue();
// Location::Type constants
TYPE_NORMAL = db.lookupIntConstant("Location::normal").intValue();
TYPE_OOP = db.lookupIntConstant("Location::oop").intValue();
TYPE_NARROWOOP = db.lookupIntConstant("Location::narrowoop").intValue();
TYPE_INT_IN_LONG = db.lookupIntConstant("Location::int_in_long").intValue();
TYPE_LNG = db.lookupIntConstant("Location::lng").intValue();
TYPE_FLOAT_IN_DBL = db.lookupIntConstant("Location::float_in_dbl").intValue();
TYPE_DBL = db.lookupIntConstant("Location::dbl").intValue();
TYPE_ADDR = db.lookupIntConstant("Location::addr").intValue();
TYPE_INVALID = db.lookupIntConstant("Location::invalid").intValue();
// Location::Where constants
WHERE_ON_STACK = db.lookupIntConstant("Location::on_stack").intValue();
WHERE_IN_REGISTER = db.lookupIntConstant("Location::in_register").intValue();
}
private static synchronized void initialize(TypeDataBase db) {
Type type = db.lookupType("JavaFrameAnchor");
lastJavaFPField = type.getAddressField("_last_Java_fp");
}
private static void initialize(TypeDataBase db) throws WrongTypeException {
Type type = db.lookupType("arrayOopDesc");
typeSize = (int) type.getSize();
}
private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
Type t = db.lookupType("typeArrayKlass");
maxLength = new CIntField(t.getCIntegerField("_max_length"), Oop.getHeaderSize());
}
private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
Type type = db.lookupType("typeArrayOopDesc");
}
private static synchronized void initialize(TypeDataBase db) {
Type type = db.lookupType("PlaceholderEntry");
loaderField = type.getOopField("_loader");
}
private static synchronized void initialize(TypeDataBase db) {
Type type = db.lookupType("Threads");
threadListField = type.getAddressField("_thread_list");
numOfThreadsField = type.getCIntegerField("_number_of_threads");
// Instantiate appropriate platform-specific JavaThreadFactory
String os = VM.getVM().getOS();
String cpu = VM.getVM().getCPU();
access = null;
// FIXME: find the platform specific PD class by reflection?
if (os.equals("solaris")) {
if (cpu.equals("sparc")) {
access = new SolarisSPARCJavaThreadPDAccess();
} else if (cpu.equals("x86")) {
access = new SolarisX86JavaThreadPDAccess();
} else if (cpu.equals("amd64")) {
access = new SolarisAMD64JavaThreadPDAccess();
}
} else if (os.equals("win32")) {
if (cpu.equals("x86")) {
access = new Win32X86JavaThreadPDAccess();
} else if (cpu.equals("amd64")) {
access = new Win32AMD64JavaThreadPDAccess();
}
} else if (os.equals("linux")) {
if (cpu.equals("x86")) {
access = new LinuxX86JavaThreadPDAccess();
} else if (cpu.equals("amd64")) {
access = new LinuxAMD64JavaThreadPDAccess();
} else if (cpu.equals("sparc")) {
access = new LinuxSPARCJavaThreadPDAccess();
} else if (cpu.equals("ppc64")) {
access = new LinuxPPC64JavaThreadPDAccess();
} else if (cpu.equals("aarch64")) {
access = new LinuxAARCH64JavaThreadPDAccess();
} else {
try {
access =
(JavaThreadPDAccess)
Class.forName(
"sun.jvm.hotspot.runtime.linux_"
+ cpu.toLowerCase()
+ ".Linux"
+ cpu.toUpperCase()
+ "JavaThreadPDAccess")
.newInstance();
} catch (Exception e) {
throw new RuntimeException("OS/CPU combination " + os + "/" + cpu + " not yet supported");
}
}
} else if (os.equals("bsd")) {
if (cpu.equals("x86")) {
access = new BsdX86JavaThreadPDAccess();
} else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
access = new BsdAMD64JavaThreadPDAccess();
}
} else if (os.equals("darwin")) {
if (cpu.equals("amd64") || cpu.equals("x86_64")) {
access = new BsdAMD64JavaThreadPDAccess();
}
}
if (access == null) {
throw new RuntimeException("OS/CPU combination " + os + "/" + cpu + " not yet supported");
}
virtualConstructor = new VirtualConstructor(db);
// Add mappings for all known thread types
virtualConstructor.addMapping("JavaThread", JavaThread.class);
if (!VM.getVM().isCore()) {
virtualConstructor.addMapping("CompilerThread", CompilerThread.class);
virtualConstructor.addMapping("CodeCacheSweeperThread", CodeCacheSweeperThread.class);
}
virtualConstructor.addMapping("JvmtiAgentThread", JvmtiAgentThread.class);
virtualConstructor.addMapping("ServiceThread", ServiceThread.class);
}
private static synchronized void initialize(TypeDataBase db) {
Type type = db.lookupType("AbstractInterpreter");
codeField = type.getAddressField("_code");
}
private static synchronized void initialize(TypeDataBase db) {
Type type = db.lookupType("HeapRegionSeq");
regionsField = type.getAddressField("_regions");
lengthField = type.getCIntegerField("_length");
}
private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
Type type = db.lookupType("objArrayKlass");
elementKlass = new OopField(type.getOopField("_element_klass"), Oop.getHeaderSize());
bottomKlass = new OopField(type.getOopField("_bottom_klass"), Oop.getHeaderSize());
}