1 /*
   2  * Copyright (c) 1997, 2024, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_CLASSFILE_JAVACLASSES_HPP
  26 #define SHARE_CLASSFILE_JAVACLASSES_HPP
  27 
  28 #include "classfile/vmClasses.hpp"
  29 #include "oops/instanceKlass.hpp"
  30 #include "oops/oopsHierarchy.hpp"
  31 #include "oops/symbol.hpp"
  32 #include "runtime/handles.hpp"
  33 #include "runtime/os.hpp"
  34 #include "utilities/macros.hpp"
  35 #include "utilities/vmEnums.hpp"
  36 
  37 class JvmtiThreadState;
  38 class RecordComponent;
  39 class SerializeClosure;
  40 
  41 #define CHECK_INIT(offset)  assert(offset != 0, "should be initialized"); return offset;
  42 
  43 // Interface to java.lang.Object objects
  44 
  45 class java_lang_Object : AllStatic {
  46  public:
  47   static void register_natives(TRAPS);
  48 };
  49 
  50 // Interface to java.lang.String objects
  51 
  52 // The flags field is a collection of bits representing boolean values used
  53 // internally by the VM.
  54 #define STRING_INJECTED_FIELDS(macro) \
  55   macro(java_lang_String, flags, byte_signature, false)
  56 
  57 class java_lang_String : AllStatic {
  58  private:
  59   static int _value_offset;
  60   static int _hash_offset;
  61   static int _hashIsZero_offset;
  62   static int _coder_offset;
  63   static int _flags_offset;
  64 
  65   static bool _initialized;
  66 
  67   static Handle basic_create(int length, bool byte_arr, TRAPS);
  68 
  69   static inline void set_coder(oop string, jbyte coder);
  70 
  71   // Bitmasks for values in the injected flags field.
  72   static const uint8_t _deduplication_forbidden_mask = 1 << 0;
  73   static const uint8_t _deduplication_requested_mask = 1 << 1;
  74 
  75   static int flags_offset() { CHECK_INIT(_flags_offset); }
  76   // Return the address of the injected flags field.
  77   static inline uint8_t* flags_addr(oop java_string);
  78   // Test whether the designated bit of the injected flags field is set.
  79   static inline bool is_flag_set(oop java_string, uint8_t flag_mask);
  80   // Atomically test and set the designated bit of the injected flags field,
  81   // returning true if the bit was already set.
  82   static bool test_and_set_flag(oop java_string, uint8_t flag_mask);
  83 
  84   static inline unsigned int hash_code_impl(oop java_string, bool update);
  85 
  86  public:
  87 
  88   // Coders
  89   enum Coder {
  90     CODER_LATIN1 =  0,
  91     CODER_UTF16  =  1
  92   };
  93 
  94   static void compute_offsets();
  95   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
  96 
  97   // Instance creation
  98   static Handle create_from_unicode(const jchar* unicode, int len, TRAPS);
  99   static oop    create_oop_from_unicode(const jchar* unicode, int len, TRAPS);
 100   static Handle create_from_str(const char* utf8_str, TRAPS);
 101   static oop    create_oop_from_str(const char* utf8_str, TRAPS);
 102   static Handle create_from_symbol(Symbol* symbol, TRAPS);
 103   static Handle create_from_platform_dependent_str(const char* str, TRAPS);
 104 
 105   static void set_compact_strings(bool value);
 106 
 107   static int value_offset() { CHECK_INIT(_value_offset); }
 108   static int coder_offset() { CHECK_INIT(_coder_offset); }
 109 
 110   static inline void set_value(oop string, typeArrayOop buffer);
 111 
 112   // Set the deduplication_forbidden flag true.  This flag is sticky; once
 113   // set it never gets cleared.  This is set when a String is interned in
 114   // the StringTable, to prevent string deduplication from changing the
 115   // String's value array.
 116   static inline void set_deduplication_forbidden(oop java_string);
 117 
 118   // Test and set the deduplication_requested flag.  Returns the old value
 119   // of the flag.  This flag is sticky; once set it never gets cleared.
 120   // Some GCs may use this flag when deciding whether to request
 121   // deduplication of a String, to avoid multiple requests for the same
 122   // object.
 123   static inline bool test_and_set_deduplication_requested(oop java_string);
 124 
 125   // Accessors
 126   static inline typeArrayOop value(oop java_string);
 127   static inline typeArrayOop value_no_keepalive(oop java_string);
 128   static inline bool hash_is_set(oop string);
 129   static inline bool is_latin1(oop java_string);
 130   static inline bool deduplication_forbidden(oop java_string);
 131   static inline bool deduplication_requested(oop java_string);
 132   static inline int length(oop java_string);
 133   static inline int length(oop java_string, typeArrayOop string_value);
 134   static size_t utf8_length(oop java_string);
 135   static size_t utf8_length(oop java_string, typeArrayOop string_value);
 136   // Legacy variants that truncate the length if needed
 137   static int    utf8_length_as_int(oop java_string);
 138   static int    utf8_length_as_int(oop java_string, typeArrayOop string_value);
 139 
 140   // String converters
 141   static char*  as_utf8_string(oop java_string);
 142   // `length` is set to the length of the utf8 sequence.
 143   static char*  as_utf8_string(oop java_string, size_t& length);
 144   static char*  as_utf8_string_full(oop java_string, char* buf, size_t buflen, size_t& length);
 145   static char*  as_utf8_string(oop java_string, char* buf, size_t buflen);
 146   static char*  as_utf8_string(oop java_string, int start, int len);
 147   static char*  as_utf8_string(oop java_string, typeArrayOop value, char* buf, size_t buflen);
 148   static char*  as_utf8_string(oop java_string, typeArrayOop value, int start, int len, char* buf, size_t buflen);
 149   static char*  as_platform_dependent_str(Handle java_string, TRAPS);
 150   static jchar* as_unicode_string(oop java_string, int& length, TRAPS);
 151   static jchar* as_unicode_string_or_null(oop java_string, int& length);
 152   // produce an ascii string with all other values quoted using \u####
 153   static char*  as_quoted_ascii(oop java_string);
 154 
 155   // Compute the hash value for a java.lang.String object which would
 156   // contain the characters passed in.
 157   //
 158   // As the hash value used by the String object itself, in
 159   // String.hashCode().  This value is normally calculated in Java code
 160   // in the String.hashCode method(), but is precomputed for String
 161   // objects in the shared archive file.
 162   // hash P(31) from Kernighan & Ritchie
 163   //
 164   // For this reason, THIS ALGORITHM MUST MATCH String.hashCode().
 165   static unsigned int hash_code(const jchar* s, int len) {
 166     unsigned int h = 0;
 167     while (len-- > 0) {
 168       h = 31*h + (unsigned int) *s;
 169       s++;
 170     }
 171     return h;
 172   }
 173 
 174   static unsigned int hash_code(const jbyte* s, int len) {
 175     unsigned int h = 0;
 176     while (len-- > 0) {
 177       h = 31*h + (((unsigned int) *s) & 0xFF);
 178       s++;
 179     }
 180     return h;
 181   }
 182 
 183   static unsigned int hash_code(oop java_string);
 184   static unsigned int hash_code_noupdate(oop java_string);
 185 
 186   static bool equals(oop java_string, const jchar* chars, int len);
 187   static bool equals(oop str1, oop str2);
 188   static inline bool value_equals(typeArrayOop str_value1, typeArrayOop str_value2);
 189 
 190   // Conversion between '.' and '/' formats, and allocate a String from the result.
 191   static Handle externalize_classname(Symbol* java_name, TRAPS);
 192 
 193   // Conversion
 194   static Symbol* as_symbol(oop java_string);
 195   static Symbol* as_symbol_or_null(oop java_string);
 196 
 197   // Tester
 198   static inline bool is_instance(oop obj);
 199 
 200   // Debugging
 201   static void print(oop java_string, outputStream* st, int max_length = MaxStringPrintSize);
 202   friend class JavaClasses;
 203   friend class StringTable;
 204 };
 205 
 206 
 207 // Interface to java.lang.Class objects
 208 
 209 #define CLASS_INJECTED_FIELDS(macro)                                       \
 210   macro(java_lang_Class, klass,                  intptr_signature,  false) \
 211   macro(java_lang_Class, array_klass,            intptr_signature,  false) \
 212   macro(java_lang_Class, oop_size,               int_signature,     false) \
 213   macro(java_lang_Class, static_oop_field_count, int_signature,     false) \
 214   macro(java_lang_Class, protection_domain,      object_signature,  false) \
 215   macro(java_lang_Class, source_file,            object_signature,  false) \
 216   macro(java_lang_Class, init_lock,              object_signature,  false)
 217 
 218 class java_lang_Class : AllStatic {
 219   friend class VMStructs;
 220   friend class JVMCIVMStructs;
 221 
 222  private:
 223 
 224   // The fake offsets are added by the class loader when java.lang.Class is loaded
 225 
 226   static int _klass_offset;
 227   static int _array_klass_offset;
 228 
 229   static int _oop_size_offset;
 230   static int _static_oop_field_count_offset;
 231 
 232   static int _protection_domain_offset;
 233   static int _init_lock_offset;
 234   static int _signers_offset;
 235   static int _class_loader_offset;
 236   static int _module_offset;
 237   static int _component_mirror_offset;
 238 
 239   static int _name_offset;
 240   static int _source_file_offset;
 241   static int _classData_offset;
 242   static int _classRedefinedCount_offset;
 243 
 244   static bool _offsets_computed;
 245 
 246   static GrowableArray<Klass*>* _fixup_mirror_list;
 247   static GrowableArray<Klass*>* _fixup_module_field_list;
 248 
 249   static void set_init_lock(oop java_class, oop init_lock);
 250   static void set_protection_domain(oop java_class, oop protection_domain);
 251   static void set_class_loader(oop java_class, oop class_loader);
 252   static void set_component_mirror(oop java_class, oop comp_mirror);
 253 
 254   static void initialize_mirror_fields(Klass* k, Handle mirror, Handle protection_domain,
 255                                        Handle classData, TRAPS);
 256   static void set_mirror_module_field(JavaThread* current, Klass* K, Handle mirror, Handle module);
 257  public:
 258   static void allocate_fixup_lists();
 259   static void compute_offsets();
 260 
 261   // Instance creation
 262   static void allocate_mirror(Klass* k, bool is_scratch, Handle protection_domain, Handle classData,
 263                               Handle& mirror, Handle& comp_mirror, TRAPS); // returns mirror and comp_mirror
 264   static void create_mirror(Klass* k, Handle class_loader, Handle module,
 265                             Handle protection_domain, Handle classData, TRAPS);
 266   static void fixup_mirror(Klass* k, TRAPS);
 267   static oop  create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS);
 268 
 269   // Archiving
 270   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 271   static void create_scratch_mirror(Klass* k, TRAPS) NOT_CDS_JAVA_HEAP_RETURN;
 272   static bool restore_archived_mirror(Klass *k, Handle class_loader, Handle module,
 273                                       Handle protection_domain,
 274                                       TRAPS) NOT_CDS_JAVA_HEAP_RETURN_(false);
 275 
 276   static void fixup_module_field(Klass* k, Handle module);
 277 
 278   // Conversion
 279   static Klass* as_Klass(oop java_class);
 280   static void set_klass(oop java_class, Klass* klass);
 281   static BasicType as_BasicType(oop java_class, Klass** reference_klass = nullptr);
 282   static Symbol* as_signature(oop java_class, bool intern_if_not_found);
 283   static void print_signature(oop java_class, outputStream *st);
 284   static const char* as_external_name(oop java_class);
 285   // Testing
 286   static bool is_instance(oop obj);
 287 
 288   static bool is_primitive(oop java_class);
 289   static BasicType primitive_type(oop java_class);
 290   static oop primitive_mirror(BasicType t);
 291   // JVM_NewArray support
 292   static Klass* array_klass_acquire(oop java_class);
 293   static void release_set_array_klass(oop java_class, Klass* klass);
 294   // compiler support for class operations
 295   static int klass_offset()                { CHECK_INIT(_klass_offset); }
 296   static int array_klass_offset()          { CHECK_INIT(_array_klass_offset); }
 297   static int component_mirror_offset()     { CHECK_INIT(_component_mirror_offset); }
 298 
 299   // Support for classRedefinedCount field
 300   static int classRedefinedCount(oop the_class_mirror);
 301   static void set_classRedefinedCount(oop the_class_mirror, int value);
 302 
 303   // Support for embedded per-class oops
 304   static oop  protection_domain(oop java_class);
 305   static oop  init_lock(oop java_class);
 306   static void clear_init_lock(oop java_class) {
 307     set_init_lock(java_class, nullptr);
 308   }
 309   static oop  component_mirror(oop java_class);
 310   static objArrayOop signers(oop java_class);
 311   static oop  class_data(oop java_class);
 312   static void set_class_data(oop java_class, oop classData);
 313 
 314   static oop class_loader(oop java_class);
 315   static void set_module(oop java_class, oop module);
 316   static oop module(oop java_class);
 317 
 318   static oop name(Handle java_class, TRAPS);
 319 
 320   static oop source_file(oop java_class);
 321   static void set_source_file(oop java_class, oop source_file);
 322 
 323   static size_t oop_size(oop java_class);
 324   static void set_oop_size(HeapWord* java_class, size_t size);
 325   static int static_oop_field_count(oop java_class);
 326   static void set_static_oop_field_count(oop java_class, int size);
 327 
 328   static GrowableArray<Klass*>* fixup_mirror_list() {
 329     return _fixup_mirror_list;
 330   }
 331   static void set_fixup_mirror_list(GrowableArray<Klass*>* v) {
 332     _fixup_mirror_list = v;
 333   }
 334 
 335   static GrowableArray<Klass*>* fixup_module_field_list() {
 336     return _fixup_module_field_list;
 337   }
 338   static void set_fixup_module_field_list(GrowableArray<Klass*>* v) {
 339     _fixup_module_field_list = v;
 340   }
 341 
 342   // Debugging
 343   friend class JavaClasses;
 344 };
 345 
 346 // Interface to java.lang.Thread objects
 347 
 348 #define THREAD_INJECTED_FIELDS(macro)                                  \
 349   macro(java_lang_Thread, jvmti_thread_state, intptr_signature, false) \
 350   macro(java_lang_Thread, jvmti_VTMS_transition_disable_count, int_signature, false) \
 351   macro(java_lang_Thread, jvmti_is_in_VTMS_transition, bool_signature, false) \
 352   JFR_ONLY(macro(java_lang_Thread, jfr_epoch, short_signature, false))
 353 
 354 class java_lang_Thread : AllStatic {
 355   friend class java_lang_VirtualThread;
 356   friend class JVMCIVMStructs;
 357  private:
 358   // Note that for this class the layout changed between JDK1.2 and JDK1.3,
 359   // so we compute the offsets at startup rather than hard-wiring them.
 360   static int _holder_offset;
 361   static int _name_offset;
 362   static int _contextClassLoader_offset;
 363   static int _inheritedAccessControlContext_offset;
 364   static int _eetop_offset;
 365   static int _jvmti_thread_state_offset;
 366   static int _jvmti_VTMS_transition_disable_count_offset;
 367   static int _jvmti_is_in_VTMS_transition_offset;
 368   static int _interrupted_offset;
 369   static int _interruptLock_offset;
 370   static int _tid_offset;
 371   static int _continuation_offset;
 372   static int _park_blocker_offset;
 373   static int _scopedValueBindings_offset;
 374   JFR_ONLY(static int _jfr_epoch_offset;)
 375 
 376   static void compute_offsets();
 377 
 378  public:
 379   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 380 
 381   // Returns the JavaThread associated with the thread obj
 382   static JavaThread* thread(oop java_thread);
 383   static JavaThread* thread_acquire(oop java_thread);
 384   // Set JavaThread for instance
 385   static void set_thread(oop java_thread, JavaThread* thread);
 386   static void release_set_thread(oop java_thread, JavaThread* thread);
 387   // FieldHolder
 388   static oop holder(oop java_thread);
 389   // interruptLock
 390   static oop interrupt_lock(oop java_thread);
 391   // Interrupted status
 392   static bool interrupted(oop java_thread);
 393   static void set_interrupted(oop java_thread, bool val);
 394   // Name
 395   static oop name(oop java_thread);
 396   static void set_name(oop java_thread, oop name);
 397   // Priority
 398   static ThreadPriority priority(oop java_thread);
 399   static void set_priority(oop java_thread, ThreadPriority priority);
 400   // Thread group
 401   static oop  threadGroup(oop java_thread);
 402   // Alive (NOTE: this is not really a field, but provides the correct
 403   // definition without doing a Java call)
 404   static bool is_alive(oop java_thread);
 405   // Daemon
 406   static bool is_daemon(oop java_thread);
 407   static void set_daemon(oop java_thread);
 408   // Context ClassLoader
 409   static oop context_class_loader(oop java_thread);
 410   // Control context
 411   static oop inherited_access_control_context(oop java_thread);
 412   // Stack size hint
 413   static jlong stackSize(oop java_thread);
 414   // Thread ID
 415   static int64_t thread_id(oop java_thread);
 416   static ByteSize thread_id_offset();
 417   // Continuation
 418   static inline oop continuation(oop java_thread);
 419 
 420   static JvmtiThreadState* jvmti_thread_state(oop java_thread);
 421   static void set_jvmti_thread_state(oop java_thread, JvmtiThreadState* state);
 422   static int  VTMS_transition_disable_count(oop java_thread);
 423   static void inc_VTMS_transition_disable_count(oop java_thread);
 424   static void dec_VTMS_transition_disable_count(oop java_thread);
 425   static bool is_in_VTMS_transition(oop java_thread);
 426   static void set_is_in_VTMS_transition(oop java_thread, bool val);
 427   static int  is_in_VTMS_transition_offset();
 428 
 429   // Clear all scoped value bindings on error
 430   static void clear_scopedValueBindings(oop java_thread);
 431 
 432   // Blocker object responsible for thread parking
 433   static oop park_blocker(oop java_thread);
 434 
 435   // Write thread status info to threadStatus field of java.lang.Thread.
 436   static void set_thread_status(oop java_thread_oop, JavaThreadStatus status);
 437   // Read thread status info from threadStatus field of java.lang.Thread.
 438   static JavaThreadStatus get_thread_status(oop java_thread_oop);
 439 
 440   static const char*  thread_status_name(oop java_thread_oop);
 441 
 442   // Fill in current stack trace, can cause GC
 443   static oop async_get_stack_trace(oop java_thread, TRAPS);
 444 
 445   JFR_ONLY(static u2 jfr_epoch(oop java_thread);)
 446   JFR_ONLY(static void set_jfr_epoch(oop java_thread, u2 epoch);)
 447   JFR_ONLY(static int jfr_epoch_offset() { CHECK_INIT(_jfr_epoch_offset); })
 448 
 449   // Debugging
 450   friend class JavaClasses;
 451 };
 452 
 453 // Interface to java.lang.Thread$FieldHolder objects
 454 
 455 class java_lang_Thread_FieldHolder : AllStatic {
 456  private:
 457   static int _group_offset;
 458   static int _priority_offset;
 459   static int _stackSize_offset;
 460   static int _daemon_offset;
 461   static int _thread_status_offset;
 462 
 463   static void compute_offsets();
 464 
 465  public:
 466   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 467 
 468   static oop threadGroup(oop holder);
 469 
 470   static ThreadPriority priority(oop holder);
 471   static void set_priority(oop holder, ThreadPriority priority);
 472 
 473   static jlong stackSize(oop holder);
 474 
 475   static bool is_daemon(oop holder);
 476   static void set_daemon(oop holder, bool val);
 477 
 478   static void set_thread_status(oop holder, JavaThreadStatus status);
 479   static JavaThreadStatus get_thread_status(oop holder);
 480 
 481   friend class JavaClasses;
 482 };
 483 
 484 // Interface to java.lang.Thread$Constants objects
 485 
 486 class java_lang_Thread_Constants : AllStatic {
 487  private:
 488   static int _static_VTHREAD_GROUP_offset;
 489   static int _static_NOT_SUPPORTED_CLASSLOADER_offset;
 490 
 491   static void compute_offsets();
 492   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 493 
 494  public:
 495   static oop get_VTHREAD_GROUP();
 496 
 497   friend class JavaClasses;
 498 };
 499 
 500 // Interface to java.lang.ThreadGroup objects
 501 
 502 class java_lang_ThreadGroup : AllStatic {
 503  private:
 504   static int _parent_offset;
 505   static int _name_offset;
 506   static int _maxPriority_offset;
 507   static int _daemon_offset;
 508 
 509   static void compute_offsets();
 510  public:
 511   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 512 
 513   // parent ThreadGroup
 514   static oop parent(oop java_thread_group);
 515   // name
 516   static const char* name(oop java_thread_group);
 517   // maxPriority in group
 518   static ThreadPriority maxPriority(oop java_thread_group);
 519   // Daemon
 520   static bool is_daemon(oop java_thread_group);
 521 
 522   // Debugging
 523   friend class JavaClasses;
 524 };
 525 
 526 
 527 // Interface to java.lang.VirtualThread objects
 528 
 529 class java_lang_VirtualThread : AllStatic {
 530  private:
 531   static int static_vthread_scope_offset;
 532   static int _carrierThread_offset;
 533   static int _continuation_offset;
 534   static int _state_offset;
 535   JFR_ONLY(static int _jfr_epoch_offset;)
 536  public:
 537   enum {
 538     NEW           = 0,
 539     STARTED       = 1,
 540     RUNNING       = 2,
 541     PARKING       = 3,
 542     PARKED        = 4,
 543     PINNED        = 5,
 544     TIMED_PARKING = 6,
 545     TIMED_PARKED  = 7,
 546     TIMED_PINNED  = 8,
 547     UNPARKED      = 9,
 548     YIELDING      = 10,
 549     YIELDED       = 11,
 550     TERMINATED    = 99,
 551 
 552     // additional state bits
 553     SUSPENDED    = 1 << 8,   // suspended when unmounted
 554   };
 555 
 556   static void compute_offsets();
 557   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 558 
 559   // Testers
 560   static bool is_subclass(Klass* klass) {
 561     return klass->is_subclass_of(vmClasses::VirtualThread_klass());
 562   }
 563   static bool is_instance(oop obj);
 564 
 565   static oop vthread_scope();
 566   static oop carrier_thread(oop vthread);
 567   static oop continuation(oop vthread);
 568   static int state(oop vthread);
 569   static JavaThreadStatus map_state_to_thread_status(int state);
 570 };
 571 
 572 
 573 // Interface to java.lang.Throwable objects
 574 
 575 class java_lang_Throwable: AllStatic {
 576   friend class BacktraceBuilder;
 577   friend class BacktraceIterator;
 578 
 579  private:
 580   // Trace constants
 581   enum {
 582     trace_methods_offset = 0,
 583     trace_bcis_offset    = 1,
 584     trace_mirrors_offset = 2,
 585     trace_names_offset   = 3,
 586     trace_conts_offset   = 4,
 587     trace_next_offset    = 5,
 588     trace_hidden_offset  = 6,
 589     trace_size           = 7,
 590     trace_chunk_size     = 32
 591   };
 592 
 593   static int _backtrace_offset;
 594   static int _detailMessage_offset;
 595   static int _stackTrace_offset;
 596   static int _depth_offset;
 597   static int _cause_offset;
 598   static int _static_unassigned_stacktrace_offset;
 599 
 600   // StackTrace (programmatic access, new since 1.4)
 601   static void clear_stacktrace(oop throwable);
 602   // Stacktrace (post JDK 1.7.0 to allow immutability protocol to be followed)
 603   static void set_stacktrace(oop throwable, oop st_element_array);
 604   static oop unassigned_stacktrace();
 605 
 606  public:
 607   // Backtrace
 608   static oop backtrace(oop throwable);
 609   static void set_backtrace(oop throwable, oop value);
 610   static int depth(oop throwable);
 611   static void set_depth(oop throwable, int value);
 612   // Message
 613   static int get_detailMessage_offset() { CHECK_INIT(_detailMessage_offset); }
 614   static oop message(oop throwable);
 615   static const char* message_as_utf8(oop throwable);
 616   static void set_message(oop throwable, oop value);
 617 
 618   static oop cause(oop throwable);
 619 
 620   static void print_stack_element(outputStream *st, Method* method, int bci);
 621 
 622   static void compute_offsets();
 623   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 624 
 625   // Allocate space for backtrace (created but stack trace not filled in)
 626   static void allocate_backtrace(Handle throwable, TRAPS);
 627   // Fill in current stack trace for throwable with preallocated backtrace (no GC)
 628   static void fill_in_stack_trace_of_preallocated_backtrace(Handle throwable);
 629   // Fill in current stack trace, can cause GC
 630   static void fill_in_stack_trace(Handle throwable, const methodHandle& method, TRAPS);
 631   static void fill_in_stack_trace(Handle throwable, const methodHandle& method = methodHandle());
 632 
 633   // Programmatic access to stack trace
 634   static void get_stack_trace_elements(int depth, Handle backtrace, objArrayHandle stack_trace, TRAPS);
 635 
 636   // For recreating class initialization error exceptions.
 637   static Handle create_initialization_error(JavaThread* current, Handle throwable);
 638 
 639   // Printing
 640   static void print(oop throwable, outputStream* st);
 641   static void print_stack_trace(Handle throwable, outputStream* st);
 642   static void java_printStackTrace(Handle throwable, TRAPS);
 643   // Debugging
 644   friend class JavaClasses;
 645   // Gets the method and bci of the top frame (TOS). Returns false if this failed.
 646   static bool get_top_method_and_bci(oop throwable, Method** method, int* bci);
 647 };
 648 
 649 
 650 // Interface to java.lang.reflect.AccessibleObject objects
 651 
 652 class java_lang_reflect_AccessibleObject: AllStatic {
 653  private:
 654   // Note that to reduce dependencies on the JDK we compute these
 655   // offsets at run-time.
 656   static int _override_offset;
 657 
 658   static void compute_offsets();
 659 
 660  public:
 661   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 662 
 663   // Accessors
 664   static jboolean override(oop reflect);
 665   static void set_override(oop reflect, jboolean value);
 666 
 667   // Debugging
 668   friend class JavaClasses;
 669 };
 670 
 671 
 672 // Interface to java.lang.reflect.Method objects
 673 
 674 class java_lang_reflect_Method : public java_lang_reflect_AccessibleObject {
 675  private:
 676   // Note that to reduce dependencies on the JDK we compute these
 677   // offsets at run-time.
 678   static int _clazz_offset;
 679   static int _name_offset;
 680   static int _returnType_offset;
 681   static int _parameterTypes_offset;
 682   static int _exceptionTypes_offset;
 683   static int _slot_offset;
 684   static int _modifiers_offset;
 685   static int _signature_offset;
 686   static int _annotations_offset;
 687   static int _parameter_annotations_offset;
 688   static int _annotation_default_offset;
 689 
 690   static void compute_offsets();
 691  public:
 692   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 693 
 694   // Allocation
 695   static Handle create(TRAPS);
 696 
 697   // Accessors
 698   static oop clazz(oop reflect);
 699   static void set_clazz(oop reflect, oop value);
 700 
 701   static void set_name(oop method, oop value);
 702 
 703   static oop return_type(oop method);
 704   static void set_return_type(oop method, oop value);
 705 
 706   static oop parameter_types(oop method);
 707   static void set_parameter_types(oop method, oop value);
 708 
 709   static int slot(oop reflect);
 710   static void set_slot(oop reflect, int value);
 711 
 712   static void set_exception_types(oop method, oop value);
 713   static void set_modifiers(oop method, int value);
 714   static void set_signature(oop method, oop value);
 715   static void set_annotations(oop method, oop value);
 716   static void set_parameter_annotations(oop method, oop value);
 717   static void set_annotation_default(oop method, oop value);
 718 
 719   // Debugging
 720   friend class JavaClasses;
 721 };
 722 
 723 
 724 // Interface to java.lang.reflect.Constructor objects
 725 
 726 class java_lang_reflect_Constructor : public java_lang_reflect_AccessibleObject {
 727  private:
 728   // Note that to reduce dependencies on the JDK we compute these
 729   // offsets at run-time.
 730   static int _clazz_offset;
 731   static int _parameterTypes_offset;
 732   static int _exceptionTypes_offset;
 733   static int _slot_offset;
 734   static int _modifiers_offset;
 735   static int _signature_offset;
 736   static int _annotations_offset;
 737   static int _parameter_annotations_offset;
 738 
 739   static void compute_offsets();
 740  public:
 741   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 742 
 743   // Allocation
 744   static Handle create(TRAPS);
 745 
 746   // Accessors
 747   static oop clazz(oop reflect);
 748   static void set_clazz(oop reflect, oop value);
 749 
 750   static oop parameter_types(oop constructor);
 751   static void set_parameter_types(oop constructor, oop value);
 752 
 753   static int slot(oop reflect);
 754   static void set_slot(oop reflect, int value);
 755 
 756   static void set_exception_types(oop constructor, oop value);
 757   static void set_modifiers(oop constructor, int value);
 758   static void set_signature(oop constructor, oop value);
 759   static void set_annotations(oop constructor, oop value);
 760   static void set_parameter_annotations(oop method, oop value);
 761 
 762   // Debugging
 763   friend class JavaClasses;
 764 };
 765 
 766 
 767 // Interface to java.lang.reflect.Field objects
 768 
 769 class java_lang_reflect_Field : public java_lang_reflect_AccessibleObject {
 770  private:
 771   // Note that to reduce dependencies on the JDK we compute these
 772   // offsets at run-time.
 773   static int _clazz_offset;
 774   static int _name_offset;
 775   static int _type_offset;
 776   static int _slot_offset;
 777   static int _modifiers_offset;
 778   static int _flags_offset;
 779   static int _signature_offset;
 780   static int _annotations_offset;
 781 
 782   static void compute_offsets();
 783 
 784  public:
 785   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 786 
 787   // Allocation
 788   static Handle create(TRAPS);
 789 
 790   // Accessors
 791   static oop clazz(oop reflect);
 792   static void set_clazz(oop reflect, oop value);
 793 
 794   static oop name(oop field);
 795   static void set_name(oop field, oop value);
 796 
 797   static oop type(oop field);
 798   static void set_type(oop field, oop value);
 799 
 800   static int slot(oop reflect);
 801   static void set_slot(oop reflect, int value);
 802 
 803   static int modifiers(oop field);
 804   static void set_modifiers(oop field, int value);
 805 
 806   static void set_flags(oop field, int value);
 807 
 808   static void set_signature(oop constructor, oop value);
 809   static void set_annotations(oop constructor, oop value);
 810 
 811   // Debugging
 812   friend class JavaClasses;
 813 };
 814 
 815 class java_lang_reflect_Parameter {
 816  private:
 817   // Note that to reduce dependencies on the JDK we compute these
 818   // offsets at run-time.
 819   static int _name_offset;
 820   static int _modifiers_offset;
 821   static int _index_offset;
 822   static int _executable_offset;
 823 
 824   static void compute_offsets();
 825 
 826  public:
 827   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 828 
 829   // Allocation
 830   static Handle create(TRAPS);
 831 
 832   // Accessors
 833   static oop name(oop field);
 834   static void set_name(oop field, oop value);
 835 
 836   static int index(oop reflect);
 837   static void set_index(oop reflect, int value);
 838 
 839   static int modifiers(oop reflect);
 840   static void set_modifiers(oop reflect, int value);
 841 
 842   static oop executable(oop constructor);
 843   static void set_executable(oop constructor, oop value);
 844 
 845   friend class JavaClasses;
 846 };
 847 
 848 #define MODULE_INJECTED_FIELDS(macro)                            \
 849   macro(java_lang_Module, module_entry, intptr_signature, false)
 850 
 851 class java_lang_Module {
 852   private:
 853     static int _loader_offset;
 854     static int _name_offset;
 855     static int _module_entry_offset;
 856 
 857     static void compute_offsets();
 858 
 859   public:
 860     static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 861 
 862     // Allocation
 863     static Handle create(Handle loader, Handle module_name, TRAPS);
 864 
 865     // Testers
 866     static bool is_instance(oop obj);
 867 
 868     // Accessors
 869     static oop loader(oop module);
 870     static void set_loader(oop module, oop value);
 871 
 872     // CDS
 873     static int module_entry_offset() { return _module_entry_offset; }
 874 
 875     static oop name(oop module);
 876     static void set_name(oop module, oop value);
 877 
 878     static ModuleEntry* module_entry(oop module);
 879     static ModuleEntry* module_entry_raw(oop module);
 880     static void set_module_entry(oop module, ModuleEntry* module_entry);
 881 
 882   friend class JavaClasses;
 883 };
 884 
 885 // Interface to jdk.internal.reflect.ConstantPool objects
 886 class reflect_ConstantPool {
 887  private:
 888   // Note that to reduce dependencies on the JDK we compute these
 889   // offsets at run-time.
 890   static int _oop_offset;
 891 
 892   static void compute_offsets();
 893 
 894  public:
 895   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 896 
 897   // Allocation
 898   static Handle create(TRAPS);
 899 
 900   // Accessors
 901   static void set_cp(oop reflect, ConstantPool* value);
 902   static int oop_offset() { CHECK_INIT(_oop_offset); }
 903 
 904   static ConstantPool* get_cp(oop reflect);
 905 
 906   // Debugging
 907   friend class JavaClasses;
 908 };
 909 
 910 
 911 // Interface to java.lang primitive type boxing objects:
 912 //  - java.lang.Boolean
 913 //  - java.lang.Character
 914 //  - java.lang.Float
 915 //  - java.lang.Double
 916 //  - java.lang.Byte
 917 //  - java.lang.Short
 918 //  - java.lang.Integer
 919 //  - java.lang.Long
 920 
 921 // This could be separated out into 8 individual classes.
 922 
 923 class java_lang_boxing_object: AllStatic {
 924  private:
 925   static int _value_offset;
 926   static int _long_value_offset;
 927 
 928   static void compute_offsets();
 929   static oop initialize_and_allocate(BasicType type, TRAPS);
 930  public:
 931   // Allocation. Returns a boxed value, or null for invalid type.
 932   static oop create(BasicType type, jvalue* value, TRAPS);
 933   // Accessors. Returns the basic type being boxed, or T_ILLEGAL for invalid oop.
 934   static BasicType get_value(oop box, jvalue* value);
 935   static BasicType set_value(oop box, jvalue* value);
 936   static BasicType basic_type(oop box);
 937   static bool is_instance(oop box)                 { return basic_type(box) != T_ILLEGAL; }
 938   static bool is_instance(oop box, BasicType type) { return basic_type(box) == type; }
 939   static void print(oop box, outputStream* st)     { jvalue value;  print(get_value(box, &value), &value, st); }
 940   static void print(BasicType type, jvalue* value, outputStream* st);
 941 
 942   static int value_offset(BasicType type) {
 943     return is_double_word_type(type) ? _long_value_offset : _value_offset;
 944   }
 945 
 946   static void serialize_offsets(SerializeClosure* f);
 947 
 948   // Debugging
 949   friend class JavaClasses;
 950 };
 951 
 952 
 953 
 954 // Interface to java.lang.ref.Reference objects
 955 
 956 class java_lang_ref_Reference: AllStatic {
 957   static int _referent_offset;
 958   static int _queue_offset;
 959   static int _next_offset;
 960   static int _discovered_offset;
 961 
 962   static bool _offsets_initialized;
 963 
 964  public:
 965   // Accessors
 966   static inline oop weak_referent_no_keepalive(oop ref);
 967   static inline oop weak_referent(oop ref);
 968   static inline oop phantom_referent_no_keepalive(oop ref);
 969   static inline oop unknown_referent_no_keepalive(oop ref);
 970   static inline void clear_referent(oop ref);
 971   static inline void clear_referent_raw(oop ref);
 972   static inline HeapWord* referent_addr_raw(oop ref);
 973   static inline oop next(oop ref);
 974   static inline void set_next(oop ref, oop value);
 975   static inline void set_next_raw(oop ref, oop value);
 976   static inline HeapWord* next_addr_raw(oop ref);
 977   static inline oop discovered(oop ref);
 978   static inline void set_discovered(oop ref, oop value);
 979   static inline void set_discovered_raw(oop ref, oop value);
 980   static inline HeapWord* discovered_addr_raw(oop ref);
 981   static bool is_referent_field(oop obj, ptrdiff_t offset);
 982   static inline bool is_final(oop ref);
 983   static inline bool is_phantom(oop ref);
 984   static inline bool is_weak(oop ref);
 985   static inline bool is_soft(oop ref);
 986 
 987   static int referent_offset()    { CHECK_INIT(_referent_offset); }
 988   static int queue_offset()       { CHECK_INIT(_queue_offset); }
 989   static int next_offset()        { CHECK_INIT(_next_offset); }
 990   static int discovered_offset()  { CHECK_INIT(_discovered_offset); }
 991 
 992   static void compute_offsets();
 993   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
 994 };
 995 
 996 
 997 // Interface to java.lang.ref.SoftReference objects
 998 
 999 class java_lang_ref_SoftReference: public java_lang_ref_Reference {
1000   static int _timestamp_offset;
1001   static int _static_clock_offset;
1002 
1003  public:
1004   // Accessors
1005   static jlong timestamp(oop ref);
1006 
1007   // Accessors for statics
1008   static jlong clock();
1009   static void set_clock(jlong value);
1010 
1011   static void compute_offsets();
1012   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1013 };
1014 
1015 // Interface to java.lang.invoke.MethodHandle objects
1016 
1017 class java_lang_invoke_MethodHandle: AllStatic {
1018   friend class JavaClasses;
1019 
1020  private:
1021   static int _type_offset;               // the MethodType of this MH
1022   static int _form_offset;               // the LambdaForm of this MH
1023 
1024   static void compute_offsets();
1025 
1026  public:
1027   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1028 
1029   // Accessors
1030   static oop            type(oop mh);
1031   static void       set_type(oop mh, oop mtype);
1032 
1033   static oop            form(oop mh);
1034   static void       set_form(oop mh, oop lform);
1035 
1036   // Testers
1037   static bool is_subclass(Klass* klass) {
1038     return klass->is_subclass_of(vmClasses::MethodHandle_klass());
1039   }
1040   static bool is_instance(oop obj);
1041 
1042   // Accessors for code generation:
1043   static int type_offset()             { CHECK_INIT(_type_offset); }
1044   static int form_offset()             { CHECK_INIT(_form_offset); }
1045 };
1046 
1047 // Interface to java.lang.invoke.DirectMethodHandle objects
1048 
1049 class java_lang_invoke_DirectMethodHandle: AllStatic {
1050   friend class JavaClasses;
1051 
1052  private:
1053   static int _member_offset;               // the MemberName of this DMH
1054 
1055   static void compute_offsets();
1056 
1057  public:
1058   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1059 
1060   // Accessors
1061   static oop  member(oop mh);
1062 
1063   // Testers
1064   static bool is_subclass(Klass* klass) {
1065     return klass->is_subclass_of(vmClasses::DirectMethodHandle_klass());
1066   }
1067   static bool is_instance(oop obj);
1068 
1069   // Accessors for code generation:
1070   static int member_offset()           { CHECK_INIT(_member_offset); }
1071 };
1072 
1073 // Interface to java.lang.invoke.LambdaForm objects
1074 // (These are a private interface for managing adapter code generation.)
1075 
1076 class java_lang_invoke_LambdaForm: AllStatic {
1077   friend class JavaClasses;
1078 
1079  private:
1080   static int _vmentry_offset;  // type is MemberName
1081 
1082   static void compute_offsets();
1083 
1084  public:
1085   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1086 
1087   // Accessors
1088   static oop            vmentry(oop lform);
1089 
1090   // Testers
1091   static bool is_subclass(Klass* klass) {
1092     return vmClasses::LambdaForm_klass() != nullptr &&
1093       klass->is_subclass_of(vmClasses::LambdaForm_klass());
1094   }
1095   static bool is_instance(oop obj);
1096 
1097   // Accessors for code generation:
1098   static int vmentry_offset()          { CHECK_INIT(_vmentry_offset); }
1099 };
1100 
1101 // Interface to java.lang.invoke.NativeEntryPoint objects
1102 // (These are a private interface for managing adapter code generation.)
1103 
1104 class jdk_internal_foreign_abi_NativeEntryPoint: AllStatic {
1105   friend class JavaClasses;
1106 
1107  private:
1108   static int _method_type_offset;
1109   static int _downcall_stub_address_offset;
1110 
1111   static void compute_offsets();
1112 
1113  public:
1114   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1115 
1116   // Accessors
1117   static oop        method_type(oop entry);
1118   static jlong      downcall_stub_address(oop entry);
1119 
1120   // Testers
1121   static bool is_subclass(Klass* klass) {
1122     return vmClasses::NativeEntryPoint_klass() != nullptr &&
1123       klass->is_subclass_of(vmClasses::NativeEntryPoint_klass());
1124   }
1125   static bool is_instance(oop obj);
1126 
1127   // Accessors for code generation:
1128   static int method_type_offset_in_bytes()           { return _method_type_offset; }
1129   static int downcall_stub_address_offset_in_bytes() { return _downcall_stub_address_offset; }
1130 };
1131 
1132 class jdk_internal_foreign_abi_ABIDescriptor: AllStatic {
1133   friend class JavaClasses;
1134 
1135  private:
1136   static int _inputStorage_offset;
1137   static int _outputStorage_offset;
1138   static int _volatileStorage_offset;
1139   static int _stackAlignment_offset;
1140   static int _shadowSpace_offset;
1141   static int _scratch1_offset;
1142   static int _scratch2_offset;
1143 
1144   static void compute_offsets();
1145 
1146  public:
1147   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1148 
1149   // Accessors
1150   static objArrayOop inputStorage(oop entry);
1151   static objArrayOop outputStorage(oop entry);
1152   static objArrayOop volatileStorage(oop entry);
1153   static jint        stackAlignment(oop entry);
1154   static jint        shadowSpace(oop entry);
1155   static oop         scratch1(oop entry);
1156   static oop         scratch2(oop entry);
1157 
1158   // Testers
1159   static bool is_subclass(Klass* klass) {
1160     return vmClasses::ABIDescriptor_klass() != nullptr &&
1161       klass->is_subclass_of(vmClasses::ABIDescriptor_klass());
1162   }
1163   static bool is_instance(oop obj);
1164 };
1165 
1166 class jdk_internal_foreign_abi_VMStorage: AllStatic {
1167   friend class JavaClasses;
1168 
1169  private:
1170   static int _type_offset;
1171   static int _indexOrOffset_offset;
1172   static int _segmentMaskOrSize_offset;
1173   static int _debugName_offset;
1174 
1175   static void compute_offsets();
1176 
1177  public:
1178   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1179 
1180   // Accessors
1181   static jbyte  type(oop entry);
1182   static jint   index_or_offset(oop entry);
1183   static jshort segment_mask_or_size(oop entry);
1184   static oop    debugName(oop entry);
1185 
1186   // Testers
1187   static bool is_subclass(Klass* klass) {
1188     return vmClasses::VMStorage_klass() != nullptr &&
1189       klass->is_subclass_of(vmClasses::VMStorage_klass());
1190   }
1191   static bool is_instance(oop obj);
1192 };
1193 
1194 class jdk_internal_foreign_abi_CallConv: AllStatic {
1195   friend class JavaClasses;
1196 
1197  private:
1198   static int _argRegs_offset;
1199   static int _retRegs_offset;
1200 
1201   static void compute_offsets();
1202 
1203  public:
1204   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1205 
1206   // Accessors
1207   static objArrayOop argRegs(oop entry);
1208   static objArrayOop retRegs(oop entry);
1209 
1210   // Testers
1211   static bool is_subclass(Klass* klass) {
1212     return vmClasses::CallConv_klass() != nullptr &&
1213       klass->is_subclass_of(vmClasses::CallConv_klass());
1214   }
1215   static bool is_instance(oop obj);
1216 };
1217 
1218 // Interface to java.lang.invoke.MemberName objects
1219 // (These are a private interface for Java code to query the class hierarchy.)
1220 
1221 #define RESOLVEDMETHOD_INJECTED_FIELDS(macro)                                   \
1222   macro(java_lang_invoke_ResolvedMethodName, vmtarget, intptr_signature, false)
1223 
1224 class java_lang_invoke_ResolvedMethodName : AllStatic {
1225   friend class JavaClasses;
1226 
1227   static int _vmtarget_offset;
1228   static int _vmholder_offset;
1229 
1230   static void compute_offsets();
1231  public:
1232   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1233 
1234   static int vmtarget_offset() { CHECK_INIT(_vmtarget_offset); }
1235 
1236   static Method* vmtarget(oop resolved_method);
1237   static void set_vmtarget(oop resolved_method, Method* method);
1238 
1239   static void set_vmholder(oop resolved_method, oop holder);
1240 
1241   // find or create resolved member name
1242   static oop find_resolved_method(const methodHandle& m, TRAPS);
1243 
1244   static bool is_instance(oop resolved_method);
1245 };
1246 
1247 
1248 #define MEMBERNAME_INJECTED_FIELDS(macro)                               \
1249   macro(java_lang_invoke_MemberName, vmindex,  intptr_signature, false)
1250 
1251 
1252 class java_lang_invoke_MemberName: AllStatic {
1253   friend class JavaClasses;
1254 
1255  private:
1256   // From java.lang.invoke.MemberName:
1257   //    private Class<?>   clazz;       // class in which the method is defined
1258   //    private String     name;        // may be null if not yet materialized
1259   //    private Object     type;        // may be null if not yet materialized
1260   //    private int        flags;       // modifier bits; see reflect.Modifier
1261   //    private ResolvedMethodName method;    // holds VM-specific target value
1262   //    private intptr_t   vmindex;     // member index within class or interface
1263   static int _clazz_offset;
1264   static int _name_offset;
1265   static int _type_offset;
1266   static int _flags_offset;
1267   static int _method_offset;
1268   static int _vmindex_offset;
1269 
1270   static void compute_offsets();
1271 
1272  public:
1273   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1274   // Accessors
1275   static oop            clazz(oop mname);
1276   static void       set_clazz(oop mname, oop clazz);
1277 
1278   static oop            type(oop mname);
1279   static void       set_type(oop mname, oop type);
1280 
1281   static oop            name(oop mname);
1282   static void       set_name(oop mname, oop name);
1283 
1284   static int            flags(oop mname);
1285   static void       set_flags(oop mname, int flags);
1286 
1287   // Link through ResolvedMethodName field to get Method*
1288   static Method*        vmtarget(oop mname);
1289   static void       set_method(oop mname, oop method);
1290 
1291   static intptr_t       vmindex(oop mname);
1292   static void       set_vmindex(oop mname, intptr_t index);
1293 
1294   // Testers
1295   static bool is_subclass(Klass* klass) {
1296     return klass->is_subclass_of(vmClasses::MemberName_klass());
1297   }
1298   static bool is_instance(oop obj);
1299 
1300   static bool is_method(oop obj);
1301 
1302   // Relevant integer codes (keep these in synch. with MethodHandleNatives.Constants):
1303   enum {
1304     MN_IS_METHOD             = 0x00010000, // method (not constructor)
1305     MN_IS_OBJECT_CONSTRUCTOR = 0x00020000, // constructor
1306     MN_IS_FIELD              = 0x00040000, // field
1307     MN_IS_TYPE               = 0x00080000, // nested type
1308     MN_CALLER_SENSITIVE      = 0x00100000, // @CallerSensitive annotation detected
1309     MN_TRUSTED_FINAL         = 0x00200000, // trusted final field
1310     MN_HIDDEN_MEMBER         = 0x00400000, // @Hidden annotation detected
1311     MN_FLAT_FIELD            = 0x00800000, // flat field
1312     MN_NULL_RESTRICTED_FIELD = 0x01000000, // null-restricted field
1313     MN_REFERENCE_KIND_SHIFT  = 26, // refKind
1314     MN_REFERENCE_KIND_MASK   = 0x3C000000 >> MN_REFERENCE_KIND_SHIFT,
1315     MN_NESTMATE_CLASS        = 0x00000001,
1316     MN_HIDDEN_CLASS          = 0x00000002,
1317     MN_STRONG_LOADER_LINK    = 0x00000004,
1318     MN_ACCESS_VM_ANNOTATIONS = 0x00000008,
1319     // Lookup modes
1320     MN_MODULE_MODE           = 0x00000010,
1321     MN_UNCONDITIONAL_MODE    = 0x00000020,
1322     MN_TRUSTED_MODE          = -1
1323   };
1324 
1325   // Accessors for code generation:
1326   static int clazz_offset()   { CHECK_INIT(_clazz_offset); }
1327   static int type_offset()    { CHECK_INIT(_type_offset); }
1328   static int flags_offset()   { CHECK_INIT(_flags_offset); }
1329   static int method_offset()  { CHECK_INIT(_method_offset); }
1330   static int vmindex_offset() { CHECK_INIT(_vmindex_offset); }
1331 };
1332 
1333 
1334 // Interface to java.lang.invoke.MethodType objects
1335 
1336 class java_lang_invoke_MethodType: AllStatic {
1337   friend class JavaClasses;
1338 
1339  private:
1340   static int _rtype_offset;
1341   static int _ptypes_offset;
1342 
1343   static void compute_offsets();
1344 
1345  public:
1346   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1347   // Accessors
1348   static oop            rtype(oop mt);
1349   static objArrayOop    ptypes(oop mt);
1350 
1351   static oop            ptype(oop mt, int index);
1352   static int            ptype_count(oop mt);
1353 
1354   static int            ptype_slot_count(oop mt);  // extra counts for long/double
1355   static int            rtype_slot_count(oop mt);  // extra counts for long/double
1356 
1357   static Symbol*        as_signature(oop mt, bool intern_if_not_found);
1358   static void           print_signature(oop mt, outputStream* st);
1359 
1360   static bool is_instance(oop obj);
1361 
1362   static bool equals(oop mt1, oop mt2);
1363 
1364   // Accessors for code generation:
1365   static int rtype_offset()  { CHECK_INIT(_rtype_offset); }
1366   static int ptypes_offset() { CHECK_INIT(_ptypes_offset); }
1367 };
1368 
1369 
1370 // Interface to java.lang.invoke.CallSite objects
1371 
1372 class java_lang_invoke_CallSite: AllStatic {
1373   friend class JavaClasses;
1374 
1375 private:
1376   static int _target_offset;
1377   static int _context_offset;
1378 
1379   static void compute_offsets();
1380 
1381 public:
1382   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1383   // Accessors
1384   static oop              target(          oop site);
1385   static void         set_target(          oop site, oop target);
1386   static void         set_target_volatile( oop site, oop target);
1387 
1388   static oop context_no_keepalive(oop site);
1389 
1390   // Testers
1391   static bool is_subclass(Klass* klass) {
1392     return klass->is_subclass_of(vmClasses::CallSite_klass());
1393   }
1394   static bool is_instance(oop obj);
1395 
1396   // Accessors for code generation:
1397   static int target_offset()  { CHECK_INIT(_target_offset); }
1398   static int context_offset() { CHECK_INIT(_context_offset); }
1399 };
1400 
1401 // Interface to java.lang.invoke.ConstantCallSite objects
1402 
1403 class java_lang_invoke_ConstantCallSite: AllStatic {
1404   friend class JavaClasses;
1405 
1406 private:
1407   static int _is_frozen_offset;
1408 
1409   static void compute_offsets();
1410 
1411 public:
1412   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1413   // Accessors
1414   static jboolean is_frozen(oop site);
1415 
1416   // Testers
1417   static bool is_subclass(Klass* klass) {
1418     return klass->is_subclass_of(vmClasses::ConstantCallSite_klass());
1419   }
1420   static bool is_instance(oop obj);
1421 };
1422 
1423 // Interface to java.lang.invoke.MethodHandleNatives$CallSiteContext objects
1424 
1425 #define CALLSITECONTEXT_INJECTED_FIELDS(macro) \
1426   macro(java_lang_invoke_MethodHandleNatives_CallSiteContext, vmdependencies, intptr_signature, false) \
1427   macro(java_lang_invoke_MethodHandleNatives_CallSiteContext, last_cleanup, long_signature, false)
1428 
1429 class DependencyContext;
1430 
1431 class java_lang_invoke_MethodHandleNatives_CallSiteContext : AllStatic {
1432   friend class JavaClasses;
1433 
1434 private:
1435   static int _vmdependencies_offset;
1436   static int _last_cleanup_offset;
1437 
1438   static void compute_offsets();
1439 
1440 public:
1441   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1442   // Accessors
1443   static DependencyContext vmdependencies(oop context);
1444 
1445   // Testers
1446   static bool is_subclass(Klass* klass) {
1447     return klass->is_subclass_of(vmClasses::Context_klass());
1448   }
1449   static bool is_instance(oop obj);
1450 };
1451 
1452 // Interface to java.security.AccessControlContext objects
1453 
1454 class java_security_AccessControlContext: AllStatic {
1455  private:
1456   // Note that for this class the layout changed between JDK1.2 and JDK1.3,
1457   // so we compute the offsets at startup rather than hard-wiring them.
1458   static int _context_offset;
1459   static int _privilegedContext_offset;
1460   static int _isPrivileged_offset;
1461   static int _isAuthorized_offset;
1462 
1463   static void compute_offsets();
1464  public:
1465   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1466   static oop create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS);
1467 
1468   // Debugging/initialization
1469   friend class JavaClasses;
1470 };
1471 
1472 
1473 // Interface to java.lang.ClassLoader objects
1474 
1475 #define CLASSLOADER_INJECTED_FIELDS(macro)                            \
1476   macro(java_lang_ClassLoader, loader_data,  intptr_signature, false)
1477 
1478 class java_lang_ClassLoader : AllStatic {
1479  private:
1480   static int _loader_data_offset;
1481   static int _parent_offset;
1482   static int _parallelCapable_offset;
1483   static int _name_offset;
1484   static int _nameAndId_offset;
1485   static int _unnamedModule_offset;
1486 
1487   static void compute_offsets();
1488 
1489  public:
1490   // Support for CDS
1491   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1492   static int loader_data_offset() { return  _loader_data_offset; }
1493 
1494   static ClassLoaderData* loader_data_acquire(oop loader);
1495   static ClassLoaderData* loader_data(oop loader);
1496   static void release_set_loader_data(oop loader, ClassLoaderData* new_data);
1497 
1498   static oop parent(oop loader);
1499   static oop parent_no_keepalive(oop loader);
1500   static oop name(oop loader);
1501   static oop nameAndId(oop loader);
1502   static bool isAncestor(oop loader, oop cl);
1503 
1504   // Support for parallelCapable field
1505   static bool parallelCapable(oop the_class_mirror);
1506 
1507   static bool is_trusted_loader(oop loader);
1508 
1509   // Return true if this is one of the class loaders associated with
1510   // the generated bytecodes for serialization constructor returned
1511   // by sun.reflect.ReflectionFactory::newConstructorForSerialization
1512   static bool is_reflection_class_loader(oop loader);
1513 
1514   // Fix for 4474172
1515   static oop  non_reflection_class_loader(oop loader);
1516 
1517   // Testers
1518   static bool is_subclass(Klass* klass) {
1519     return klass->is_subclass_of(vmClasses::ClassLoader_klass());
1520   }
1521   static bool is_instance(oop obj);
1522 
1523   static oop unnamedModule(oop loader);
1524 
1525   // Debugging
1526   friend class JavaClasses;
1527 };
1528 
1529 
1530 // Interface to java.lang.System objects
1531 
1532 class java_lang_System : AllStatic {
1533  private:
1534   static int _static_in_offset;
1535   static int _static_out_offset;
1536   static int _static_err_offset;
1537   static int _static_security_offset;
1538   static int _static_allow_security_offset;
1539   static int _static_never_offset;
1540 
1541  public:
1542   static int  in_offset() { CHECK_INIT(_static_in_offset); }
1543   static int out_offset() { CHECK_INIT(_static_out_offset); }
1544   static int err_offset() { CHECK_INIT(_static_err_offset); }
1545   static bool allow_security_manager();
1546   static bool has_security_manager();
1547 
1548   static void compute_offsets();
1549   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1550 
1551   // Debugging
1552   friend class JavaClasses;
1553 };
1554 
1555 
1556 // Interface to java.lang.StackTraceElement objects
1557 
1558 class java_lang_StackTraceElement: AllStatic {
1559  private:
1560   static int _declaringClassObject_offset;
1561   static int _classLoaderName_offset;
1562   static int _moduleName_offset;
1563   static int _moduleVersion_offset;
1564   static int _declaringClass_offset;
1565   static int _methodName_offset;
1566   static int _fileName_offset;
1567   static int _lineNumber_offset;
1568 
1569   // Setters
1570   static void set_classLoaderName(oop element, oop value);
1571   static void set_moduleName(oop element, oop value);
1572   static void set_moduleVersion(oop element, oop value);
1573   static void set_declaringClass(oop element, oop value);
1574   static void set_methodName(oop element, oop value);
1575   static void set_fileName(oop element, oop value);
1576   static void set_lineNumber(oop element, int value);
1577   static void set_declaringClassObject(oop element, oop value);
1578 
1579   static void decode_file_and_line(Handle java_mirror, InstanceKlass* holder, int version,
1580                                    const methodHandle& method, int bci,
1581                                    Symbol*& source, oop& source_file, int& line_number, TRAPS);
1582 
1583  public:
1584   // Create an instance of StackTraceElement
1585   static oop create(const methodHandle& method, int bci, TRAPS);
1586 
1587   static void fill_in(Handle element, InstanceKlass* holder, const methodHandle& method,
1588                       int version, int bci, Symbol* name, TRAPS);
1589 
1590   static void compute_offsets();
1591   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1592 
1593 #if INCLUDE_JVMCI
1594   static void decode(const methodHandle& method, int bci, Symbol*& fileName, int& lineNumber, TRAPS);
1595 #endif
1596 
1597   // Debugging
1598   friend class JavaClasses;
1599 };
1600 
1601 
1602 class Backtrace: AllStatic {
1603  public:
1604   // Helper backtrace functions to store bci|version together.
1605   static int merge_bci_and_version(int bci, int version);
1606   static int merge_mid_and_cpref(int mid, int cpref);
1607   static int bci_at(unsigned int merged);
1608   static int version_at(unsigned int merged);
1609   static int mid_at(unsigned int merged);
1610   static int cpref_at(unsigned int merged);
1611   static int get_line_number(Method* method, int bci);
1612   static Symbol* get_source_file_name(InstanceKlass* holder, int version);
1613 
1614   // Debugging
1615   friend class JavaClasses;
1616 };
1617 
1618 class java_lang_ClassFrameInfo: AllStatic {
1619 private:
1620   static int _classOrMemberName_offset;
1621   static int _flags_offset;
1622 
1623 public:
1624   static oop  classOrMemberName(oop info);
1625   static int  flags(oop info);
1626 
1627   // Setters
1628   static void init_class(Handle stackFrame, const methodHandle& m);
1629   static void init_method(Handle stackFrame, const methodHandle& m, TRAPS);
1630 
1631   static void compute_offsets();
1632   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1633 
1634   // Debugging
1635   friend class JavaClasses;
1636 };
1637 
1638 // Interface to java.lang.StackFrameInfo objects
1639 
1640 #define STACKFRAMEINFO_INJECTED_FIELDS(macro)                      \
1641   macro(java_lang_StackFrameInfo, version, short_signature, false)
1642 
1643 class java_lang_StackFrameInfo: AllStatic {
1644 private:
1645   static int _type_offset;
1646   static int _name_offset;
1647   static int _bci_offset;
1648   static int _version_offset;
1649   static int _contScope_offset;
1650 
1651 public:
1652   // Getters
1653   static oop name(oop info);
1654   static oop type(oop info);
1655   static Method* get_method(oop info);
1656 
1657   // Setters
1658   static void set_method_and_bci(Handle stackFrame, const methodHandle& method, int bci, oop cont, TRAPS);
1659   static void set_name(oop info, oop value);
1660   static void set_type(oop info, oop value);
1661   static void set_bci(oop info, int value);
1662 
1663   static void set_version(oop info, short value);
1664   static void set_contScope(oop info, oop value);
1665 
1666   static void compute_offsets();
1667   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1668 
1669   static void to_stack_trace_element(Handle stackFrame, Handle stack_trace_element, TRAPS);
1670 
1671   // Debugging
1672   friend class JavaClasses;
1673 };
1674 
1675 class java_lang_LiveStackFrameInfo: AllStatic {
1676  private:
1677   static int _monitors_offset;
1678   static int _locals_offset;
1679   static int _operands_offset;
1680   static int _mode_offset;
1681 
1682  public:
1683   static void set_monitors(oop info, oop value);
1684   static void set_locals(oop info, oop value);
1685   static void set_operands(oop info, oop value);
1686   static void set_mode(oop info, int value);
1687 
1688   static void compute_offsets();
1689   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1690 
1691   // Debugging
1692   friend class JavaClasses;
1693 };
1694 
1695 // Interface to java.lang.reflect.RecordComponent objects
1696 
1697 class java_lang_reflect_RecordComponent: AllStatic {
1698  private:
1699   static int _clazz_offset;
1700   static int _name_offset;
1701   static int _type_offset;
1702   static int _accessor_offset;
1703   static int _signature_offset;
1704   static int _annotations_offset;
1705   static int _typeAnnotations_offset;
1706 
1707   // Setters
1708   static void set_clazz(oop element, oop value);
1709   static void set_name(oop element, oop value);
1710   static void set_type(oop element, oop value);
1711   static void set_accessor(oop element, oop value);
1712   static void set_signature(oop element, oop value);
1713   static void set_annotations(oop element, oop value);
1714   static void set_typeAnnotations(oop element, oop value);
1715 
1716  public:
1717   // Create an instance of RecordComponent
1718   static oop create(InstanceKlass* holder, RecordComponent* component, TRAPS);
1719 
1720   static void compute_offsets();
1721   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1722 
1723   // Debugging
1724   friend class JavaClasses;
1725 };
1726 
1727 
1728 // Interface to java.lang.AssertionStatusDirectives objects
1729 
1730 class java_lang_AssertionStatusDirectives: AllStatic {
1731  private:
1732   static int _classes_offset;
1733   static int _classEnabled_offset;
1734   static int _packages_offset;
1735   static int _packageEnabled_offset;
1736   static int _deflt_offset;
1737 
1738  public:
1739   // Setters
1740   static void set_classes(oop obj, oop val);
1741   static void set_classEnabled(oop obj, oop val);
1742   static void set_packages(oop obj, oop val);
1743   static void set_packageEnabled(oop obj, oop val);
1744   static void set_deflt(oop obj, bool val);
1745 
1746   static void compute_offsets();
1747   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1748 
1749   // Debugging
1750   friend class JavaClasses;
1751 };
1752 
1753 
1754 class java_util_concurrent_locks_AbstractOwnableSynchronizer : AllStatic {
1755  private:
1756   static int  _owner_offset;
1757  public:
1758   static void compute_offsets();
1759   static oop  get_owner_threadObj(oop obj);
1760   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1761 };
1762 
1763  // Interface to jdk.internal.misc.UnsafeConsants
1764 
1765 class jdk_internal_misc_UnsafeConstants : AllStatic {
1766  public:
1767   static void set_unsafe_constants();
1768   static void compute_offsets() { }
1769   static void serialize_offsets(SerializeClosure* f) { }
1770 };
1771 
1772 // Interface to jdk.internal.vm.vector.VectorSupport.VectorPayload objects
1773 
1774 class vector_VectorPayload : AllStatic {
1775  private:
1776   static int _payload_offset;
1777  public:
1778   static void set_payload(oop o, oop val);
1779 
1780   static void compute_offsets();
1781   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1782 
1783   // Testers
1784   static bool is_subclass(Klass* klass) {
1785     return klass->is_subclass_of(vmClasses::vector_VectorPayload_klass());
1786   }
1787   static bool is_instance(oop obj);
1788 };
1789 
1790 class java_lang_Integer : AllStatic {
1791 public:
1792   static jint value(oop obj);
1793 };
1794 
1795 class java_lang_Long : AllStatic {
1796 public:
1797   static jlong value(oop obj);
1798 };
1799 
1800 class java_lang_Character : AllStatic {
1801 public:
1802   static jchar value(oop obj);
1803 };
1804 
1805 class java_lang_Short : AllStatic {
1806 public:
1807   static jshort value(oop obj);
1808 };
1809 
1810 class java_lang_Byte : AllStatic {
1811 public:
1812   static jbyte value(oop obj);
1813 };
1814 
1815 class java_lang_Boolean : AllStatic {
1816  private:
1817   static int _static_TRUE_offset;
1818   static int _static_FALSE_offset;
1819  public:
1820   static Symbol* symbol();
1821   static void compute_offsets(InstanceKlass* k);
1822   static oop  get_TRUE(InstanceKlass *k);
1823   static oop  get_FALSE(InstanceKlass *k);
1824   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1825   static jboolean value(oop obj);
1826 };
1827 
1828 class java_lang_Integer_IntegerCache : AllStatic {
1829  private:
1830   static int _static_cache_offset;
1831  public:
1832   static Symbol* symbol();
1833   static void compute_offsets(InstanceKlass* k);
1834   static objArrayOop  cache(InstanceKlass *k);
1835   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1836 };
1837 
1838 class java_lang_Long_LongCache : AllStatic {
1839  private:
1840   static int _static_cache_offset;
1841  public:
1842   static Symbol* symbol();
1843   static void compute_offsets(InstanceKlass* k);
1844   static objArrayOop  cache(InstanceKlass *k);
1845   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1846 };
1847 
1848 class java_lang_Character_CharacterCache : AllStatic {
1849  private:
1850   static int _static_cache_offset;
1851  public:
1852   static Symbol* symbol();
1853   static void compute_offsets(InstanceKlass* k);
1854   static objArrayOop  cache(InstanceKlass *k);
1855   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1856 };
1857 
1858 class java_lang_Short_ShortCache : AllStatic {
1859  private:
1860   static int _static_cache_offset;
1861  public:
1862   static Symbol* symbol();
1863   static void compute_offsets(InstanceKlass* k);
1864   static objArrayOop  cache(InstanceKlass *k);
1865   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1866 };
1867 
1868 class java_lang_Byte_ByteCache : AllStatic {
1869  private:
1870   static int _static_cache_offset;
1871  public:
1872   static Symbol* symbol();
1873   static void compute_offsets(InstanceKlass* k);
1874   static objArrayOop  cache(InstanceKlass *k);
1875   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1876 };
1877 
1878 // Interface to java.lang.InternalError objects
1879 
1880 #define INTERNALERROR_INJECTED_FIELDS(macro)                      \
1881   macro(java_lang_InternalError, during_unsafe_access, bool_signature, false)
1882 
1883 class java_lang_InternalError : AllStatic {
1884  private:
1885   static int _during_unsafe_access_offset;
1886  public:
1887   static jboolean during_unsafe_access(oop internal_error);
1888   static void set_during_unsafe_access(oop internal_error);
1889   static void compute_offsets();
1890   static void serialize_offsets(SerializeClosure* f) NOT_CDS_RETURN;
1891 };
1892 
1893 // Use to declare fields that need to be injected into Java classes
1894 // for the JVM to use.  The name_index and signature_index are
1895 // declared in vmSymbols.  The may_be_java flag is used to declare
1896 // fields that might already exist in Java but should be injected if
1897 // they don't.  Otherwise the field is unconditionally injected and
1898 // the JVM uses the injected one.  This is to ensure that name
1899 // collisions don't occur.  In general may_be_java should be false
1900 // unless there's a good reason.
1901 
1902 class InjectedField {
1903  public:
1904   const vmClassID klass_id;
1905   const vmSymbolID name_index;
1906   const vmSymbolID signature_index;
1907   const bool           may_be_java;
1908 
1909 
1910   Klass* klass() const      { return vmClasses::klass_at(klass_id); }
1911   Symbol* name() const      { return lookup_symbol(name_index); }
1912   Symbol* signature() const { return lookup_symbol(signature_index); }
1913 
1914   int compute_offset();
1915 
1916   // Find the Symbol for this index
1917   static Symbol* lookup_symbol(vmSymbolID symbol_index) {
1918     return Symbol::vm_symbol_at(symbol_index);
1919   }
1920 };
1921 
1922 
1923 // Interface to hard-coded offset checking
1924 
1925 enum class InjectedFieldID : int;
1926 
1927 class JavaClasses : AllStatic {
1928  private:
1929 
1930   static InjectedField _injected_fields[];
1931 
1932   static bool check_offset(const char *klass_name, int offset, const char *field_name, const char* field_sig) PRODUCT_RETURN0;
1933  public:
1934 
1935   static int compute_injected_offset(InjectedFieldID id);
1936 
1937   static void compute_offsets();
1938   static void check_offsets() PRODUCT_RETURN;
1939   static void serialize_offsets(SerializeClosure* soc) NOT_CDS_RETURN;
1940   static InjectedField* get_injected(Symbol* class_name, int* field_count);
1941   static bool is_supported_for_archiving(oop obj) NOT_CDS_JAVA_HEAP_RETURN_(false);
1942 
1943   static void compute_offset(int &dest_offset,
1944                              InstanceKlass* ik, Symbol* name_symbol, Symbol* signature_symbol,
1945                              bool is_static = false);
1946   static void compute_offset(int& dest_offset, InstanceKlass* ik,
1947                              const char* name_string, Symbol* signature_symbol,
1948                              bool is_static = false);
1949 };
1950 
1951 #undef CHECK_INIT
1952 
1953 #endif // SHARE_CLASSFILE_JAVACLASSES_HPP