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comparison src/share/vm/classfile/systemDictionary.hpp @ 4970:33df1aeaebbf

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Merge with http://hg.openjdk.java.net/hsx/hsx24/hotspot/
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Mon, 27 Feb 2012 13:10:13 +0100
parents 41034914e2ee b2cd0ee8f778
children 5e9f38419819
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4703:2cfb7fb2dce7 4970:33df1aeaebbf
1 /* 1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
384 384
385 // Unload (that is, break root links to) all unmarked classes and 385 // Unload (that is, break root links to) all unmarked classes and
386 // loaders. Returns "true" iff something was unloaded. 386 // loaders. Returns "true" iff something was unloaded.
387 static bool do_unloading(BoolObjectClosure* is_alive); 387 static bool do_unloading(BoolObjectClosure* is_alive);
388 388
389 static int calculate_systemdictionary_size(int loadedclasses);
390
389 // Applies "f->do_oop" to all root oops in the system dictionary. 391 // Applies "f->do_oop" to all root oops in the system dictionary.
390 static void oops_do(OopClosure* f); 392 static void oops_do(OopClosure* f);
391 393
392 // System loader lock 394 // System loader lock
393 static oop system_loader_lock() { return _system_loader_lock_obj; } 395 static oop system_loader_lock() { return _system_loader_lock_obj; }
576 578
577 enum Constants { 579 enum Constants {
578 _loader_constraint_size = 107, // number of entries in constraint table 580 _loader_constraint_size = 107, // number of entries in constraint table
579 _resolution_error_size = 107, // number of entries in resolution error table 581 _resolution_error_size = 107, // number of entries in resolution error table
580 _invoke_method_size = 139, // number of entries in invoke method table 582 _invoke_method_size = 139, // number of entries in invoke method table
581 _nof_buckets = 1009 // number of buckets in hash table 583 _nof_buckets = 1009, // number of buckets in hash table for placeholders
584 _old_default_sdsize = 1009, // backward compat for system dictionary size
585 _prime_array_size = 8, // array of primes for system dictionary size
586 _average_depth_goal = 3 // goal for lookup length
582 }; 587 };
583 588
584 589
585 // Static variables 590 // Static variables
591
592 // hashtable sizes for system dictionary to allow growth
593 // prime numbers for system dictionary size
594 static int _sdgeneration;
595 static const int _primelist[_prime_array_size];
586 596
587 // Hashtable holding loaded classes. 597 // Hashtable holding loaded classes.
588 static Dictionary* _dictionary; 598 static Dictionary* _dictionary;
589 599
590 // Hashtable holding placeholders for classes being loaded. 600 // Hashtable holding placeholders for classes being loaded.