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comparison src/share/vm/ci/ciObjectFactory.cpp @ 1602:136b78722a08

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6939203: JSR 292 needs method handle constants Summary: Add new CP types CONSTANT_MethodHandle, CONSTANT_MethodType; extend 'ldc' bytecode. Reviewed-by: twisti, never
author jrose
date Wed, 09 Jun 2010 18:50:45 -0700
parents c18cbe5936b8
children 2d26b0046e0d f95d63e2154a
comparison
equal deleted inserted replaced
1585:49fac4acd688 1602:136b78722a08
68 _ci_objects->appendAll(_shared_ci_objects); 68 _ci_objects->appendAll(_shared_ci_objects);
69 } 69 }
70 70
71 _unloaded_methods = new (arena) GrowableArray<ciMethod*>(arena, 4, 0, NULL); 71 _unloaded_methods = new (arena) GrowableArray<ciMethod*>(arena, 4, 0, NULL);
72 _unloaded_klasses = new (arena) GrowableArray<ciKlass*>(arena, 8, 0, NULL); 72 _unloaded_klasses = new (arena) GrowableArray<ciKlass*>(arena, 8, 0, NULL);
73 _unloaded_instances = new (arena) GrowableArray<ciInstance*>(arena, 4, 0, NULL);
73 _return_addresses = 74 _return_addresses =
74 new (arena) GrowableArray<ciReturnAddress*>(arena, 8, 0, NULL); 75 new (arena) GrowableArray<ciReturnAddress*>(arena, 8, 0, NULL);
75 } 76 }
76 77
77 // ------------------------------------------------------------------ 78 // ------------------------------------------------------------------
441 _unloaded_klasses->append(new_klass); 442 _unloaded_klasses->append(new_klass);
442 443
443 return new_klass; 444 return new_klass;
444 } 445 }
445 446
447
448 //------------------------------------------------------------------
449 // ciObjectFactory::get_unloaded_instance
450 //
451 // Get a ciInstance representing an as-yet undetermined instance of a given class.
452 //
453 ciInstance* ciObjectFactory::get_unloaded_instance(ciInstanceKlass* instance_klass) {
454 for (int i=0; i<_unloaded_instances->length(); i++) {
455 ciInstance* entry = _unloaded_instances->at(i);
456 if (entry->klass()->equals(instance_klass)) {
457 // We've found a match.
458 return entry;
459 }
460 }
461
462 // This is a new unloaded instance. Create it and stick it in
463 // the cache.
464 ciInstance* new_instance = new (arena()) ciInstance(instance_klass);
465
466 init_ident_of(new_instance);
467 _unloaded_instances->append(new_instance);
468
469 // make sure it looks the way we want:
470 assert(!new_instance->is_loaded(), "");
471 assert(new_instance->klass() == instance_klass, "");
472
473 return new_instance;
474 }
475
476
477 //------------------------------------------------------------------
478 // ciObjectFactory::get_unloaded_klass_mirror
479 //
480 // Get a ciInstance representing an unresolved klass mirror.
481 //
482 // Currently, this ignores the parameters and returns a unique unloaded instance.
483 ciInstance* ciObjectFactory::get_unloaded_klass_mirror(ciKlass* type) {
484 assert(ciEnv::_Class_klass != NULL, "");
485 return get_unloaded_instance(ciEnv::_Class_klass->as_instance_klass());
486 }
487
488 //------------------------------------------------------------------
489 // ciObjectFactory::get_unloaded_method_handle_constant
490 //
491 // Get a ciInstance representing an unresolved method handle constant.
492 //
493 // Currently, this ignores the parameters and returns a unique unloaded instance.
494 ciInstance* ciObjectFactory::get_unloaded_method_handle_constant(ciKlass* holder,
495 ciSymbol* name,
496 ciSymbol* signature,
497 int ref_kind) {
498 if (ciEnv::_MethodHandle_klass == NULL) return NULL;
499 return get_unloaded_instance(ciEnv::_MethodHandle_klass->as_instance_klass());
500 }
501
502 //------------------------------------------------------------------
503 // ciObjectFactory::get_unloaded_method_type_constant
504 //
505 // Get a ciInstance representing an unresolved method type constant.
506 //
507 // Currently, this ignores the parameters and returns a unique unloaded instance.
508 ciInstance* ciObjectFactory::get_unloaded_method_type_constant(ciSymbol* signature) {
509 if (ciEnv::_MethodType_klass == NULL) return NULL;
510 return get_unloaded_instance(ciEnv::_MethodType_klass->as_instance_klass());
511 }
512
513
514
446 //------------------------------------------------------------------ 515 //------------------------------------------------------------------
447 // ciObjectFactory::get_empty_methodData 516 // ciObjectFactory::get_empty_methodData
448 // 517 //
449 // Get the ciMethodData representing the methodData for a method with 518 // Get the ciMethodData representing the methodData for a method with
450 // none. 519 // none.
635 // ------------------------------------------------------------------ 704 // ------------------------------------------------------------------
636 // ciObjectFactory::print 705 // ciObjectFactory::print
637 // 706 //
638 // Print debugging information about the object factory 707 // Print debugging information about the object factory
639 void ciObjectFactory::print() { 708 void ciObjectFactory::print() {
640 tty->print("<ciObjectFactory oops=%d unloaded_methods=%d unloaded_klasses=%d>", 709 tty->print("<ciObjectFactory oops=%d unloaded_methods=%d unloaded_instances=%d unloaded_klasses=%d>",
641 _ci_objects->length(), _unloaded_methods->length(), 710 _ci_objects->length(), _unloaded_methods->length(),
711 _unloaded_instances->length(),
642 _unloaded_klasses->length()); 712 _unloaded_klasses->length());
643 } 713 }