759 lines
23 KiB
C++
759 lines
23 KiB
C++
// Class.h - Header file for java.lang.Class. -*- c++ -*-
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/* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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// Written primary using compiler source and Class.java as guides.
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#ifndef __JAVA_LANG_CLASS_H__
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#define __JAVA_LANG_CLASS_H__
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#pragma interface
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#include <stddef.h>
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#include <java/lang/Object.h>
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#include <java/lang/String.h>
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#include <java/net/URL.h>
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#include <java/lang/reflect/Modifier.h>
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#include <java/security/ProtectionDomain.h>
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#include <java/lang/Package.h>
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// Avoid including SystemClassLoader.h.
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extern "Java"
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{
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namespace gnu
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{
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namespace gcj
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{
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namespace runtime
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{
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class SystemClassLoader;
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}
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}
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}
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}
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// We declare these here to avoid including gcj/cni.h.
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extern "C" void _Jv_InitClass (jclass klass);
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extern "C" jclass _Jv_NewClassFromInitializer
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(const char *class_initializer);
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extern "C" void _Jv_RegisterNewClasses (char **classes);
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extern "C" void _Jv_RegisterClasses (const jclass *classes);
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extern "C" void _Jv_RegisterClasses_Counted (const jclass *classes,
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size_t count);
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// This must be predefined with "C" linkage.
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extern "C" void *_Jv_LookupInterfaceMethodIdx (jclass klass, jclass iface,
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int meth_idx);
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extern "C" void *_Jv_ResolvePoolEntry (jclass this_class, jint index);
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// These are the possible values for the `state' field of the class
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// structure. Note that ordering is important here. Whenever the
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// state changes, one should notify all waiters of this class.
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enum
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{
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JV_STATE_NOTHING = 0, // Set by compiler.
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JV_STATE_PRELOADING = 1, // Can do _Jv_FindClass.
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// There is an invariant through libgcj that a class will always be
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// at a state greater than or equal to JV_STATE_LOADING when it is
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// returned by a class loader to user code. Hence, defineclass.cc
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// installs supers before returning a class, C++-ABI-compiled
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// classes are created with supers installed, and BC-ABI-compiled
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// classes are linked to this state before being returned by their
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// class loader.
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JV_STATE_LOADING = 3, // Has super installed.
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JV_STATE_READ = 4, // Has been completely defined.
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JV_STATE_LOADED = 5, // Has Miranda methods defined.
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JV_STATE_COMPILED = 6, // This was a compiled class.
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JV_STATE_PREPARED = 7, // Layout & static init done.
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JV_STATE_LINKED = 9, // Strings interned.
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JV_STATE_IN_PROGRESS = 10, // <clinit> running.
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JV_STATE_ERROR = 12,
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JV_STATE_PHANTOM = 13, // Bytecode is missing. In many cases we can
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// work around that. If not, throw a
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// NoClassDefFoundError.
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JV_STATE_DONE = 14, // Must be last.
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};
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struct _Jv_Field;
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struct _Jv_VTable;
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union _Jv_word;
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struct _Jv_ArrayVTable;
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class _Jv_Linker;
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class _Jv_ExecutionEngine;
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class _Jv_CompiledEngine;
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class _Jv_IndirectCompiledEngine;
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#ifdef INTERPRETER
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class _Jv_InterpreterEngine;
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class _Jv_ClassReader;
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class _Jv_InterpClass;
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class _Jv_InterpMethod;
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#endif
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class _Jv_ClosureList
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{
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_Jv_ClosureList *next;
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void *ptr;
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public:
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void registerClosure (jclass klass, void *ptr);
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static void releaseClosures (_Jv_ClosureList **closures);
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};
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struct _Jv_Constants
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{
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jint size;
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jbyte *tags;
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_Jv_word *data;
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};
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struct _Jv_Method
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{
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// Method name.
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_Jv_Utf8Const *name;
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// Method signature.
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_Jv_Utf8Const *signature;
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// Access flags.
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_Jv_ushort accflags;
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// Method's index in the vtable.
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_Jv_ushort index;
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// Pointer to underlying function.
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void *ncode;
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// NULL-terminated list of exception class names; can be NULL if
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// there are none such.
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_Jv_Utf8Const **throws;
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_Jv_Method *getNextMethod ()
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{ return this + 1; }
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};
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// The table used to resolve interface calls.
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struct _Jv_IDispatchTable
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{
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// Index into interface's ioffsets.
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jshort iindex;
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jshort itable_length;
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// Class Interface dispatch table.
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void *itable[0];
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};
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// Used by _Jv_Linker::get_interfaces ()
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struct _Jv_ifaces
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{
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jclass *list;
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jshort len;
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jshort count;
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};
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struct _Jv_MethodSymbol
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{
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_Jv_Utf8Const *class_name;
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_Jv_Utf8Const *name;
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_Jv_Utf8Const *signature;
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};
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struct _Jv_OffsetTable
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{
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jint state;
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jint offsets[];
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};
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struct _Jv_AddressTable
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{
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jint state;
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void *addresses[];
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};
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struct _Jv_CatchClass
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{
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java::lang::Class **address;
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_Jv_Utf8Const *classname;
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};
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// Possible values for the assertion_code field in the type assertion table.
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enum
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{
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JV_ASSERT_END_OF_TABLE = 0,
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JV_ASSERT_TYPES_COMPATIBLE = 1,
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JV_ASSERT_IS_INSTANTIABLE = 2
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};
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// Entry in the type assertion table, used to validate type constraints
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// for binary compatibility.
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struct _Jv_TypeAssertion
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{
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jint assertion_code;
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_Jv_Utf8Const *op1;
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_Jv_Utf8Const *op2;
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};
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typedef enum
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{
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JV_CLASS_ATTR,
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JV_METHOD_ATTR,
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JV_FIELD_ATTR,
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JV_DONE_ATTR
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} jv_attr_type;
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typedef enum
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{
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JV_INNER_CLASSES_KIND,
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JV_ENCLOSING_METHOD_KIND,
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JV_SIGNATURE_KIND,
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JV_ANNOTATIONS_KIND,
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JV_PARAMETER_ANNOTATIONS_KIND,
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JV_ANNOTATION_DEFAULT_KIND
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} jv_attr_kind;
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#define JV_PRIMITIVE_VTABLE ((_Jv_VTable *) -1)
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#define JV_CLASS(Obj) ((jclass) (*(_Jv_VTable **) Obj)->clas)
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// Forward declarations for friends of java::lang::Class
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// Friend functions implemented in natClass.cc.
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_Jv_Method *_Jv_GetMethodLocal (jclass klass, _Jv_Utf8Const *name,
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_Jv_Utf8Const *signature);
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jboolean _Jv_IsAssignableFrom (jclass, jclass);
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jboolean _Jv_IsAssignableFromSlow (jclass, jclass);
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jboolean _Jv_InterfaceAssignableFrom (jclass, jclass);
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_Jv_Method* _Jv_LookupDeclaredMethod (jclass, _Jv_Utf8Const *,
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_Jv_Utf8Const*, jclass * = NULL);
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java::lang::reflect::Method *_Jv_GetReflectedMethod (jclass klass,
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_Jv_Utf8Const *name,
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_Jv_Utf8Const *signature);
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jfieldID JvGetFirstInstanceField (jclass);
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jint JvNumInstanceFields (jclass);
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jfieldID JvGetFirstStaticField (jclass);
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jint JvNumStaticFields (jclass);
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jobject _Jv_AllocObject (jclass);
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void *_Jv_AllocObj (jint, jclass);
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void *_Jv_AllocPtrFreeObj (jint, jclass);
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void *_Jv_AllocArray (jint, jclass);
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bool _Jv_getInterfaceMethod(jclass, jclass&, int&,
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const _Jv_Utf8Const*,
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const _Jv_Utf8Const*);
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jobject JNICALL _Jv_JNI_ToReflectedField (_Jv_JNIEnv *, jclass, jfieldID,
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jboolean);
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jobject JNICALL _Jv_JNI_ToReflectedMethod (_Jv_JNIEnv *, jclass, jmethodID,
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jboolean);
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jfieldID _Jv_FromReflectedField (java::lang::reflect::Field *);
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jmethodID _Jv_FromReflectedMethod (java::lang::reflect::Method *);
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jmethodID _Jv_FromReflectedConstructor (java::lang::reflect::Constructor *);
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jint JvNumMethods (jclass);
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jmethodID JvGetFirstMethod (jclass);
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_Jv_Utf8Const *_Jv_GetClassNameUtf8 (jclass);
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#ifdef INTERPRETER
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// Finds a desired interpreter method in the given class or NULL if not found
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class _Jv_MethodBase;
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_Jv_MethodBase *_Jv_FindInterpreterMethod (jclass, jmethodID);
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jstring _Jv_GetInterpClassSourceFile (jclass);
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#endif
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jbyte _Jv_GetClassState (jclass);
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void _Jv_RegisterClassHookDefault (jclass klass);
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void _Jv_RegisterInitiatingLoader (jclass,java::lang::ClassLoader*);
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void _Jv_UnregisterInitiatingLoader (jclass,java::lang::ClassLoader*);
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void _Jv_UnregisterClass (jclass);
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jclass _Jv_FindClassNoException (_Jv_Utf8Const *name,
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java::lang::ClassLoader *loader);
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jclass _Jv_FindClass (_Jv_Utf8Const *name,
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java::lang::ClassLoader *loader);
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jclass _Jv_FindClassInCache (_Jv_Utf8Const *name);
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jclass _Jv_PopClass (void);
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void _Jv_PushClass (jclass k);
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void _Jv_NewArrayClass (jclass element,
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java::lang::ClassLoader *loader,
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_Jv_VTable *array_vtable = 0);
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jclass _Jv_NewClass (_Jv_Utf8Const *name, jclass superclass,
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java::lang::ClassLoader *loader);
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void _Jv_InitNewClassFields (jclass klass);
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// Friend functions and classes in prims.cc
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void _Jv_InitPrimClass (jclass, const char *, char, int);
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jstring _Jv_GetMethodString (jclass, _Jv_Method *, jclass = NULL);
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jboolean _Jv_CheckAccess (jclass self_klass, jclass other_klass,
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jint flags);
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jclass _Jv_GetArrayClass (jclass klass, java::lang::ClassLoader *loader);
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jboolean _Jv_IsInterpretedClass (jclass);
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jboolean _Jv_IsBinaryCompatibilityABI (jclass);
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jboolean _Jv_IsPhantomClass (jclass);
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void _Jv_CopyClassesToSystemLoader (gnu::gcj::runtime::SystemClassLoader *);
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#ifdef INTERPRETER
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void _Jv_InitField (jobject, jclass, int);
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#endif
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class _Jv_StackTrace;
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class _Jv_BytecodeVerifier;
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void _Jv_sharedlib_register_hook (jclass klass);
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/* Find the class that defines the given method. Returns NULL
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if it cannot be found. Searches both interpreted and native
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classes. */
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jclass _Jv_GetMethodDeclaringClass (jmethodID method);
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class java::lang::Class : public java::lang::Object
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{
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public:
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static jclass forName (jstring className, jboolean initialize,
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java::lang::ClassLoader *loader);
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static jclass forName (jstring className);
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JArray<jclass> *getClasses (void);
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java::lang::ClassLoader *getClassLoader (void);
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private:
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java::lang::ClassLoader *getClassLoader (jclass caller);
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public:
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// This is an internal method that circumvents the usual security
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// checks when getting the class loader.
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java::lang::ClassLoader *getClassLoaderInternal (void)
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{
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return loader;
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}
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java::lang::reflect::Constructor *getConstructor (JArray<jclass> *);
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JArray<java::lang::reflect::Constructor *> *getConstructors (void);
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java::lang::reflect::Constructor *getDeclaredConstructor (JArray<jclass> *);
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JArray<java::lang::reflect::Constructor *> *getDeclaredConstructors (jboolean);
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java::lang::reflect::Field *getDeclaredField (jstring);
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JArray<java::lang::reflect::Field *> *getDeclaredFields ();
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JArray<java::lang::reflect::Field *> *getDeclaredFields (jboolean);
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java::lang::reflect::Method *getDeclaredMethod (jstring, JArray<jclass> *);
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JArray<java::lang::reflect::Method *> *getDeclaredMethods (void);
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JArray<jclass> *getDeclaredClasses (void);
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JArray<jclass> *getDeclaredClasses (jboolean);
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jclass getDeclaringClass (void);
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java::lang::reflect::Field *getField (jstring);
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private:
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JArray<java::lang::reflect::Field *> internalGetFields ();
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java::lang::reflect::Field *getField (jstring, jint);
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jint _getMethods (JArray<java::lang::reflect::Method *> *result,
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jint offset);
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java::lang::reflect::Field *getPrivateField (jstring);
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java::lang::reflect::Method *getPrivateMethod (jstring, JArray<jclass> *);
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java::security::ProtectionDomain *getProtectionDomain0 ();
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java::lang::reflect::Method *_getMethod (jstring, JArray<jclass> *);
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java::lang::reflect::Method *_getDeclaredMethod (jstring, JArray<jclass> *);
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jstring getReflectionSignature (jint /*jv_attr_type*/ type,
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jint obj_index);
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jstring getReflectionSignature (::java::lang::reflect::Method *);
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jstring getReflectionSignature (::java::lang::reflect::Constructor *);
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jstring getReflectionSignature (::java::lang::reflect::Field *);
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jstring getClassSignature();
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jobject getMethodDefaultValue (::java::lang::reflect::Method *);
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public:
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JArray<java::lang::reflect::Field *> *getFields (void);
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JArray<jclass> *getInterfaces (void);
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void getSignature (java::lang::StringBuffer *buffer);
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static jstring getSignature (JArray<jclass> *, jboolean is_constructor);
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JArray<java::lang::reflect::Method *> *getMethods (void);
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inline jint getModifiers (void)
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{
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return accflags & java::lang::reflect::Modifier::ALL_FLAGS;
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}
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jstring getName (void);
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java::net::URL *getResource (jstring resourceName);
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java::io::InputStream *getResourceAsStream (jstring resourceName);
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JArray<jobject> *getSigners (void);
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void setSigners(JArray<jobject> *);
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inline jclass getSuperclass (void)
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{
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return superclass;
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}
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inline jclass getInterface (jint n)
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{
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return interfaces[n];
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}
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inline jboolean isArray (void)
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{
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return name->first() == '[';
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}
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inline jclass getComponentType (void)
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{
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return isArray () ? element_type : 0;
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}
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jboolean isAssignableFrom (jclass cls);
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jboolean isInstance (jobject obj);
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inline jboolean isInterface (void)
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{
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return (accflags & java::lang::reflect::Modifier::INTERFACE) != 0;
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}
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inline jboolean isPrimitive (void)
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{
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return vtable == JV_PRIMITIVE_VTABLE;
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}
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jobject newInstance (void);
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java::security::ProtectionDomain *getProtectionDomain (void);
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java::lang::Package *getPackage (void);
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jstring toString (void);
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jboolean desiredAssertionStatus (void);
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JArray<java::lang::reflect::TypeVariable *> *getTypeParameters (void);
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jint getEnclosingMethodData(void);
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java::lang::Class *getEnclosingClass (void);
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java::lang::reflect::Constructor *getEnclosingConstructor (void);
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java::lang::reflect::Method *getEnclosingMethod (void);
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jobjectArray getDeclaredAnnotations(jint, jint, jint);
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jobjectArray getDeclaredAnnotations(::java::lang::reflect::Method *,
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jboolean);
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jobjectArray getDeclaredAnnotations(::java::lang::reflect::Constructor *,
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jboolean);
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jobjectArray getDeclaredAnnotations(::java::lang::reflect::Field *);
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JArray< ::java::lang::annotation::Annotation *> *getDeclaredAnnotationsInternal();
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jboolean isEnum (void)
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{
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return (accflags & 0x4000) != 0;
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}
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jboolean isSynthetic (void)
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{
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return (accflags & 0x1000) != 0;
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}
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jboolean isAnnotation (void)
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{
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return (accflags & 0x2000) != 0;
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}
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jboolean isAnonymousClass();
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jboolean isLocalClass();
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jboolean isMemberClass();
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// FIXME: this probably shouldn't be public.
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jint size (void)
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{
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return size_in_bytes;
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}
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// The index of the first method we declare ourself (as opposed to
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// inheriting).
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inline jint firstMethodIndex (void)
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{
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return vtable_method_count - method_count;
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}
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// finalization
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void finalize ();
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// This constructor is used to create Class object for the primitive
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// types. See prims.cc.
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Class ();
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// Given the BC ABI version, return the size of an Class initializer.
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static jlong initializerSize (jlong ABI)
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{
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unsigned long version = ABI & 0xfffff;
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int abi_rev = version % 100;
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// The reflection_data field was added by abi_rev 1.
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if (abi_rev == 0)
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return ((char*)(&::java::lang::Class::class$.reflection_data)
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- (char*)&::java::lang::Class::class$);
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return sizeof (::java::lang::Class);
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}
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static java::lang::Class class$;
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private:
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void memberAccessCheck (jint flags);
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void initializeClass (void);
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static jstring getPackagePortion (jstring);
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void set_state (jint nstate)
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{
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state = nstate;
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notifyAll ();
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}
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jint findInnerClassAttribute();
|
|
jint findDeclaredClasses(JArray<jclass> *, jboolean, jint);
|
|
|
|
// Friend functions implemented in natClass.cc.
|
|
friend _Jv_Method *::_Jv_GetMethodLocal (jclass klass, _Jv_Utf8Const *name,
|
|
_Jv_Utf8Const *signature);
|
|
friend jboolean (::_Jv_IsAssignableFrom) (jclass, jclass);
|
|
friend jboolean (::_Jv_IsAssignableFromSlow) (jclass, jclass);
|
|
friend jboolean (::_Jv_InterfaceAssignableFrom) (jclass, jclass);
|
|
friend void *::_Jv_LookupInterfaceMethodIdx (jclass klass, jclass iface,
|
|
int method_idx);
|
|
|
|
friend void ::_Jv_InitClass (jclass klass);
|
|
friend java::lang::Class* ::_Jv_NewClassFromInitializer (const char *class_initializer);
|
|
friend void _Jv_RegisterNewClasses (void **classes);
|
|
|
|
friend _Jv_Method* ::_Jv_LookupDeclaredMethod (jclass, _Jv_Utf8Const *,
|
|
_Jv_Utf8Const*, jclass *);
|
|
friend java::lang::reflect::Method* ::_Jv_GetReflectedMethod (jclass klass,
|
|
_Jv_Utf8Const *name,
|
|
_Jv_Utf8Const *signature);
|
|
friend jfieldID (::JvGetFirstInstanceField) (jclass);
|
|
friend jint (::JvNumInstanceFields) (jclass);
|
|
friend jfieldID (::JvGetFirstStaticField) (jclass);
|
|
friend jint (::JvNumStaticFields) (jclass);
|
|
|
|
friend jobject (::_Jv_AllocObject) (jclass);
|
|
friend void *::_Jv_AllocObj (jint, jclass);
|
|
friend void *::_Jv_AllocPtrFreeObj (jint, jclass);
|
|
friend void *::_Jv_AllocArray (jint, jclass);
|
|
|
|
friend jobject JNICALL (::_Jv_JNI_ToReflectedField) (_Jv_JNIEnv *, jclass, jfieldID,
|
|
jboolean);
|
|
friend jobject (::_Jv_JNI_ToReflectedMethod) (_Jv_JNIEnv *, jclass, jmethodID,
|
|
jboolean);
|
|
friend jfieldID (::_Jv_FromReflectedField) (java::lang::reflect::Field *);
|
|
|
|
friend jmethodID (::_Jv_FromReflectedMethod) (java::lang::reflect::Method *);
|
|
friend jmethodID (::_Jv_FromReflectedConstructor) (java::lang::reflect::Constructor *);
|
|
friend jint (::JvNumMethods) (jclass);
|
|
friend jmethodID (::JvGetFirstMethod) (jclass);
|
|
friend _Jv_Utf8Const *::_Jv_GetClassNameUtf8 (jclass);
|
|
#ifdef INTERPRETER
|
|
friend _Jv_MethodBase *(::_Jv_FindInterpreterMethod) (jclass klass,
|
|
jmethodID desired_method);
|
|
friend jstring ::_Jv_GetInterpClassSourceFile (jclass);
|
|
#endif
|
|
friend jbyte (::_Jv_GetClassState) (jclass klass);
|
|
|
|
// Friends classes and functions to implement the ClassLoader
|
|
friend class java::lang::ClassLoader;
|
|
friend class java::lang::VMClassLoader;
|
|
|
|
friend class java::io::ObjectOutputStream;
|
|
friend class java::io::ObjectInputStream;
|
|
friend class java::io::ObjectStreamClass;
|
|
|
|
friend void ::_Jv_RegisterClasses (const jclass *classes);
|
|
friend void ::_Jv_RegisterClasses_Counted (const jclass *classes,
|
|
size_t count);
|
|
friend void ::_Jv_RegisterClassHookDefault (jclass klass);
|
|
friend void ::_Jv_RegisterInitiatingLoader (jclass,java::lang::ClassLoader*);
|
|
friend void ::_Jv_UnregisterInitiatingLoader (jclass,java::lang::ClassLoader*);
|
|
friend void ::_Jv_UnregisterClass (jclass);
|
|
friend jclass (::_Jv_FindClassNoException) (_Jv_Utf8Const *name,
|
|
java::lang::ClassLoader *loader);
|
|
friend jclass (::_Jv_FindClass) (_Jv_Utf8Const *name,
|
|
java::lang::ClassLoader *loader);
|
|
friend jclass (::_Jv_FindClassInCache) (_Jv_Utf8Const *name);
|
|
friend jclass (::_Jv_PopClass) (void);
|
|
friend void ::_Jv_PushClass (jclass k);
|
|
friend void ::_Jv_NewArrayClass (jclass element,
|
|
java::lang::ClassLoader *loader,
|
|
_Jv_VTable *array_vtable);
|
|
friend jclass (::_Jv_NewClass) (_Jv_Utf8Const *name, jclass superclass,
|
|
java::lang::ClassLoader *loader);
|
|
friend void ::_Jv_InitNewClassFields (jclass klass);
|
|
|
|
// in prims.cc
|
|
friend void ::_Jv_InitPrimClass (jclass, const char *, char, int);
|
|
|
|
friend jstring (::_Jv_GetMethodString) (jclass, _Jv_Method *, jclass);
|
|
|
|
friend jboolean (::_Jv_CheckAccess) (jclass self_klass, jclass other_klass,
|
|
jint flags);
|
|
|
|
friend bool (::_Jv_getInterfaceMethod) (jclass, jclass&, int&,
|
|
const _Jv_Utf8Const*,
|
|
const _Jv_Utf8Const*);
|
|
|
|
friend jclass (::_Jv_GetArrayClass) (jclass klass,
|
|
java::lang::ClassLoader *loader);
|
|
|
|
friend jboolean (::_Jv_IsInterpretedClass) (jclass);
|
|
friend jboolean (::_Jv_IsBinaryCompatibilityABI) (jclass);
|
|
|
|
friend jboolean (::_Jv_IsPhantomClass) (jclass);
|
|
|
|
#ifdef INTERPRETER
|
|
friend void ::_Jv_InitField (jobject, jclass, int);
|
|
|
|
friend class ::_Jv_ClassReader;
|
|
friend class ::_Jv_InterpClass;
|
|
friend class ::_Jv_InterpMethod;
|
|
friend class ::_Jv_InterpreterEngine;
|
|
#endif
|
|
friend class ::_Jv_StackTrace;
|
|
|
|
#ifdef JV_MARKOBJ_DECL
|
|
friend JV_MARKOBJ_DECL;
|
|
#endif
|
|
|
|
friend class ::_Jv_BytecodeVerifier;
|
|
friend class java::io::VMObjectStreamClass;
|
|
|
|
friend class ::_Jv_Linker;
|
|
friend class ::_Jv_ExecutionEngine;
|
|
friend class ::_Jv_CompiledEngine;
|
|
friend class ::_Jv_IndirectCompiledEngine;
|
|
friend class ::_Jv_ClosureList;
|
|
|
|
friend void ::_Jv_sharedlib_register_hook (jclass klass);
|
|
|
|
friend void *::_Jv_ResolvePoolEntry (jclass this_class, jint index);
|
|
|
|
friend void ::_Jv_CopyClassesToSystemLoader (gnu::gcj::runtime::SystemClassLoader *);
|
|
|
|
friend class java::lang::reflect::Field;
|
|
friend class java::lang::reflect::Method;
|
|
friend class java::lang::reflect::Constructor;
|
|
friend class java::lang::reflect::VMProxy;
|
|
|
|
// Chain for class pool. This also doubles as the ABI version
|
|
// number. It is only used for this purpose at class registration
|
|
// time, and only for precompiled classes.
|
|
jclass next_or_version;
|
|
// Name of class.
|
|
_Jv_Utf8Const *name;
|
|
// Access flags for class.
|
|
_Jv_ushort accflags;
|
|
// The superclass, or null for Object.
|
|
jclass superclass;
|
|
// Class constants.
|
|
_Jv_Constants constants;
|
|
// Methods. If this is an array class, then this field holds a
|
|
// pointer to the element type.
|
|
union
|
|
{
|
|
_Jv_Method *methods;
|
|
jclass element_type;
|
|
};
|
|
// Number of methods. If this class is primitive, this holds the
|
|
// character used to represent this type in a signature.
|
|
jshort method_count;
|
|
// Number of methods in the vtable.
|
|
jshort vtable_method_count;
|
|
// The fields.
|
|
_Jv_Field *fields;
|
|
// Size of instance fields, in bytes.
|
|
jint size_in_bytes;
|
|
// Total number of fields (instance and static).
|
|
jshort field_count;
|
|
// Number of static fields.
|
|
jshort static_field_count;
|
|
// The vtbl for all objects of this class.
|
|
_Jv_VTable *vtable;
|
|
// Virtual method offset table.
|
|
_Jv_OffsetTable *otable;
|
|
// Offset table symbols.
|
|
_Jv_MethodSymbol *otable_syms;
|
|
// Address table
|
|
_Jv_AddressTable *atable;
|
|
_Jv_MethodSymbol *atable_syms;
|
|
// Interface table
|
|
_Jv_AddressTable *itable;
|
|
_Jv_MethodSymbol *itable_syms;
|
|
_Jv_CatchClass *catch_classes;
|
|
// Interfaces implemented by this class.
|
|
jclass *interfaces;
|
|
// The class loader for this class.
|
|
java::lang::ClassLoader *loader;
|
|
// Number of interfaces.
|
|
jshort interface_count;
|
|
// State of this class.
|
|
jbyte state;
|
|
// The thread which has locked this class. Used during class
|
|
// initialization.
|
|
java::lang::Thread *thread;
|
|
// How many levels of "extends" this class is removed from Object.
|
|
jshort depth;
|
|
// Vector of this class's superclasses, ordered by decreasing depth.
|
|
jclass *ancestors;
|
|
// In a regular class, this field points to the Class Interface Dispatch
|
|
// Table. In an interface, it points to the ioffsets table.
|
|
union
|
|
{
|
|
_Jv_IDispatchTable *idt;
|
|
jshort *ioffsets;
|
|
};
|
|
// Pointer to the class that represents an array of this class.
|
|
jclass arrayclass;
|
|
// Security Domain to which this class belongs (or null).
|
|
java::security::ProtectionDomain *protectionDomain;
|
|
// Pointer to the type assertion table for this class.
|
|
_Jv_TypeAssertion *assertion_table;
|
|
// Signers of this class (or null).
|
|
JArray<jobject> *hack_signers;
|
|
// Used by Jv_PopClass and _Jv_PushClass to communicate with StackTrace.
|
|
jclass chain;
|
|
// Additional data, specific to the generator (JIT, native,
|
|
// interpreter) of this class.
|
|
void *aux_info;
|
|
// Execution engine.
|
|
_Jv_ExecutionEngine *engine;
|
|
// Reflection data.
|
|
unsigned char *reflection_data;
|
|
};
|
|
|
|
// Inline functions that are friends of java::lang::Class
|
|
|
|
inline void _Jv_InitClass (jclass klass)
|
|
{
|
|
if (__builtin_expect (klass->state == JV_STATE_DONE, true))
|
|
return;
|
|
klass->initializeClass ();
|
|
}
|
|
|
|
// Return array class corresponding to element type KLASS, creating it if
|
|
// necessary.
|
|
inline jclass
|
|
_Jv_GetArrayClass (jclass klass, java::lang::ClassLoader *loader)
|
|
{
|
|
extern void _Jv_NewArrayClass (jclass element,
|
|
java::lang::ClassLoader *loader,
|
|
_Jv_VTable *array_vtable = 0);
|
|
if (__builtin_expect (!klass->arrayclass, false))
|
|
_Jv_NewArrayClass (klass, loader);
|
|
return klass->arrayclass;
|
|
}
|
|
|
|
#endif /* __JAVA_LANG_CLASS_H__ */
|