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JDK 11 jdk.hotspot.agent.jmod - Hotspot Agent Module
JDK 11 jdk.hotspot.agent.jmod is the JMOD file for JDK 11 Hotspot Agent module.
JDK 11 Hotspot Agent module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.hotspot.agent.jmod.
JDK 11 Hotspot Agent module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.
JDK 11 Hotspot Agent module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.hotspot.agent.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ sun/jvm/hotspot/oops/Klass.java
/* * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * */ package sun.jvm.hotspot.oops; import java.io.*; import java.util.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.classfile.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.types.*; public class Klass extends Metadata implements ClassConstants { static { VM.registerVMInitializedObserver(new Observer() { public void update(Observable o, Object data) { initialize(VM.getVM().getTypeDataBase()); } }); } // anon-enum constants for _layout_helper. public static int LH_INSTANCE_SLOW_PATH_BIT; public static int LH_LOG2_ELEMENT_SIZE_SHIFT; public static int LH_ELEMENT_TYPE_SHIFT; public static int LH_HEADER_SIZE_SHIFT; public static int LH_ARRAY_TAG_SHIFT; public static int LH_ARRAY_TAG_TYPE_VALUE; public static int LH_ARRAY_TAG_OBJ_VALUE; private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { Type type = db.lookupType("Klass"); javaMirror = type.getAddressField("_java_mirror"); superField = new MetadataField(type.getAddressField("_super"), 0); layoutHelper = new IntField(type.getJIntField("_layout_helper"), 0); name = type.getAddressField("_name"); accessFlags = new CIntField(type.getCIntegerField("_access_flags"), 0); try { traceIDField = type.getField("_trace_id"); } catch(Exception e) { } subklass = new MetadataField(type.getAddressField("_subklass"), 0); nextSibling = new MetadataField(type.getAddressField("_next_sibling"), 0); nextLink = new MetadataField(type.getAddressField("_next_link"), 0); vtableLen = new CIntField(type.getCIntegerField("_vtable_len"), 0); classLoaderData = type.getAddressField("_class_loader_data"); LH_INSTANCE_SLOW_PATH_BIT = db.lookupIntConstant("Klass::_lh_instance_slow_path_bit").intValue(); LH_LOG2_ELEMENT_SIZE_SHIFT = db.lookupIntConstant("Klass::_lh_log2_element_size_shift").intValue(); LH_ELEMENT_TYPE_SHIFT = db.lookupIntConstant("Klass::_lh_element_type_shift").intValue(); LH_HEADER_SIZE_SHIFT = db.lookupIntConstant("Klass::_lh_header_size_shift").intValue(); LH_ARRAY_TAG_SHIFT = db.lookupIntConstant("Klass::_lh_array_tag_shift").intValue(); LH_ARRAY_TAG_TYPE_VALUE = db.lookupIntConstant("Klass::_lh_array_tag_type_value").intValue(); LH_ARRAY_TAG_OBJ_VALUE = db.lookupIntConstant("Klass::_lh_array_tag_obj_value").intValue(); } public Klass(Address addr) { super(addr); } // jvmdi support - see also class_status in VM code public int getClassStatus() { return 0; // overridden in derived classes } public boolean isKlass() { return true; } public boolean isArrayKlass() { return false; } // Fields private static AddressField javaMirror; private static MetadataField superField; private static IntField layoutHelper; private static AddressField name; private static CIntField accessFlags; private static MetadataField subklass; private static MetadataField nextSibling; private static MetadataField nextLink; private static sun.jvm.hotspot.types.Field traceIDField; private static CIntField vtableLen; private static AddressField classLoaderData; private Address getValue(AddressField field) { return addr.getAddressAt(field.getOffset()); } protected Symbol getSymbol(AddressField field) { return Symbol.create(addr.getAddressAt(field.getOffset())); } // Accessors for declared fields public Instance getJavaMirror() { Address handle = javaMirror.getValue(getAddress()); if (handle != null) { // Load through the handle OopHandle refs = handle.getOopHandleAt(0); return (Instance)VM.getVM().getObjectHeap().newOop(refs); } return null; } public Klass getSuper() { return (Klass) superField.getValue(this); } public Klass getJavaSuper() { return null; } public int getLayoutHelper() { return (int) layoutHelper.getValue(this); } public Symbol getName() { return getSymbol(name); } public long getAccessFlags() { return accessFlags.getValue(this); } // Convenience routine public AccessFlags getAccessFlagsObj(){ return new AccessFlags(getAccessFlags()); } public Klass getSubklassKlass() { return (Klass) subklass.getValue(this); } public Klass getNextSiblingKlass() { return (Klass) nextSibling.getValue(this); } public Klass getNextLinkKlass() { return (Klass) nextLink.getValue(this); } public long getVtableLen() { return vtableLen.getValue(this); } public ClassLoaderData getClassLoaderData() { return ClassLoaderData.instantiateWrapperFor(classLoaderData.getValue(getAddress())); } public Oop getClassLoader() { return getClassLoaderData().getClassLoader(); } public long traceID() { if (traceIDField == null) return 0; return traceIDField.getJLong(addr); } // computed access flags - takes care of inner classes etc. // This is closer to actual source level than getAccessFlags() etc. public long computeModifierFlags() { return 0L; // Unless overridden, modifier_flags is 0. } // same as JVM_GetClassModifiers public final long getClassModifiers() { // unlike the VM counterpart we never have to deal with primitive type, // because we operator on Klass and not an instance of java.lang.Class. long flags = computeModifierFlags(); if (isSuper()) { flags |= JVM_ACC_SUPER; } return flags; } // subclass check public boolean isSubclassOf(Klass k) { if (k != null) { Klass t = this; // Run up the super chain and check while (t != null) { if (t.equals(k)) return true; t = t.getSuper(); } } return false; } // subtype check public boolean isSubtypeOf(Klass k) { return computeSubtypeOf(k); } boolean computeSubtypeOf(Klass k) { return isSubclassOf(k); } // Find LCA (Least Common Ancester) in class heirarchy public Klass lca( Klass k2 ) { Klass k1 = this; while ( true ) { if ( k1.isSubtypeOf(k2) ) return k2; if ( k2.isSubtypeOf(k1) ) return k1; k1 = k1.getSuper(); k2 = k2.getSuper(); } } public void printValueOn(PrintStream tty) { tty.print("Klass"); } public void iterateFields(MetadataVisitor visitor) { // visitor.doOop(javaMirror, true); visitor.doMetadata(superField, true); visitor.doInt(layoutHelper, true); // visitor.doOop(name, true); visitor.doCInt(accessFlags, true); visitor.doMetadata(subklass, true); visitor.doMetadata(nextSibling, true); visitor.doCInt(vtableLen, true); } public long getObjectSize() { throw new RuntimeException("should not reach here"); } /** Array class with specific rank */ public Klass arrayKlass(int rank) { return arrayKlassImpl(false, rank); } /** Array class with this klass as element type */ public Klass arrayKlass() { return arrayKlassImpl(false); } /** These will return null instead of allocating on the heap */ public Klass arrayKlassOrNull(int rank) { return arrayKlassImpl(true, rank); } public Klass arrayKlassOrNull() { return arrayKlassImpl(true); } public Klass arrayKlassImpl(boolean orNull, int rank) { throw new RuntimeException("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass"); } public Klass arrayKlassImpl(boolean orNull) { throw new RuntimeException("array_klass should be dispatched to InstanceKlass, ObjArrayKlass or TypeArrayKlass"); } // This returns the name in the form java/lang/String which isn't really a signature // The subclasses override this to produce the correct form, eg // Ljava/lang/String; For ArrayKlasses getName itself is the signature. public String signature() { return getName().asString(); } // Convenience routines public boolean isPublic() { return getAccessFlagsObj().isPublic(); } public boolean isFinal() { return getAccessFlagsObj().isFinal(); } public boolean isInterface() { return getAccessFlagsObj().isInterface(); } public boolean isAbstract() { return getAccessFlagsObj().isAbstract(); } public boolean isSuper() { return getAccessFlagsObj().isSuper(); } public boolean isSynthetic() { return getAccessFlagsObj().isSynthetic(); } public boolean hasFinalizer() { return getAccessFlagsObj().hasFinalizer(); } public boolean isCloneable() { return getAccessFlagsObj().isCloneable(); } public boolean hasVanillaConstructor() { return getAccessFlagsObj().hasVanillaConstructor(); } public boolean hasMirandaMethods () { return getAccessFlagsObj().hasMirandaMethods(); } }
⏎ sun/jvm/hotspot/oops/Klass.java
Or download all of them as a single archive file:
File name: jdk.hotspot.agent-11.0.1-src.zip File size: 1243786 bytes Release date: 2018-11-04 Download
⇒ JDK 11 jdk.httpserver.jmod - HTTP Server Module
2020-02-29, 131920👍, 0💬
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