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comparison src/share/vm/ci/ciObjectFactory.hpp @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents 5eb9169b1a14
children e522a00b91aa bd7a7ce2e264
comparison
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1999, 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.
39 friend class VMStructs; 39 friend class VMStructs;
40 friend class ciEnv; 40 friend class ciEnv;
41 41
42 private: 42 private:
43 static volatile bool _initialized; 43 static volatile bool _initialized;
44 static GrowableArray<ciObject*>* _shared_ci_objects; 44 static GrowableArray<ciMetadata*>* _shared_ci_metadata;
45 static ciSymbol* _shared_ci_symbols[]; 45 static ciSymbol* _shared_ci_symbols[];
46 static int _shared_ident_limit; 46 static int _shared_ident_limit;
47 47
48 Arena* _arena; 48 Arena* _arena;
49 GrowableArray<ciObject*>* _ci_objects; 49 GrowableArray<ciMetadata*>* _ci_metadata;
50 GrowableArray<ciMethod*>* _unloaded_methods; 50 GrowableArray<ciMethod*>* _unloaded_methods;
51 GrowableArray<ciKlass*>* _unloaded_klasses; 51 GrowableArray<ciKlass*>* _unloaded_klasses;
52 GrowableArray<ciInstance*>* _unloaded_instances; 52 GrowableArray<ciInstance*>* _unloaded_instances;
53 GrowableArray<ciReturnAddress*>* _return_addresses; 53 GrowableArray<ciReturnAddress*>* _return_addresses;
54 GrowableArray<ciSymbol*>* _symbols; // keep list of symbols created 54 GrowableArray<ciSymbol*>* _symbols; // keep list of symbols created
66 private: 66 private:
67 enum { NON_PERM_BUCKETS = 61 }; 67 enum { NON_PERM_BUCKETS = 61 };
68 NonPermObject* _non_perm_bucket[NON_PERM_BUCKETS]; 68 NonPermObject* _non_perm_bucket[NON_PERM_BUCKETS];
69 int _non_perm_count; 69 int _non_perm_count;
70 70
71 int find(oop key, GrowableArray<ciObject*>* objects); 71 int find(Metadata* key, GrowableArray<ciMetadata*>* objects);
72 bool is_found_at(int index, oop key, GrowableArray<ciObject*>* objects); 72 bool is_found_at(int index, Metadata* key, GrowableArray<ciMetadata*>* objects);
73 void insert(int index, ciObject* obj, GrowableArray<ciObject*>* objects); 73 void insert(int index, ciMetadata* obj, GrowableArray<ciMetadata*>* objects);
74
74 ciObject* create_new_object(oop o); 75 ciObject* create_new_object(oop o);
76 ciMetadata* create_new_object(Metadata* o);
77
75 static bool is_equal(NonPermObject* p, oop key) { 78 static bool is_equal(NonPermObject* p, oop key) {
76 return p->object()->get_oop() == key; 79 return p->object()->get_oop() == key;
77 } 80 }
78 81
79 NonPermObject* &find_non_perm(oop key); 82 NonPermObject* &find_non_perm(oop key);
80 void insert_non_perm(NonPermObject* &where, oop key, ciObject* obj); 83 void insert_non_perm(NonPermObject* &where, oop key, ciObject* obj);
81 84
82 void init_ident_of(ciObject* obj); 85 void init_ident_of(ciBaseObject* obj);
83 void init_ident_of(ciSymbol* obj);
84 86
85 Arena* arena() { return _arena; } 87 Arena* arena() { return _arena; }
86 88
87 void print_contents_impl(); 89 void print_contents_impl();
88 90
97 99
98 ciObjectFactory(Arena* arena, int expected_size); 100 ciObjectFactory(Arena* arena, int expected_size);
99 101
100 // Get the ciObject corresponding to some oop. 102 // Get the ciObject corresponding to some oop.
101 ciObject* get(oop key); 103 ciObject* get(oop key);
102 104 ciMetadata* get_metadata(Metadata* key);
103 ciSymbol* get_symbol(Symbol* key); 105 ciSymbol* get_symbol(Symbol* key);
104 106
105 // Get the ciSymbol corresponding to one of the vmSymbols. 107 // Get the ciSymbol corresponding to one of the vmSymbols.
106 static ciSymbol* vm_symbol_at(int index); 108 static ciSymbol* vm_symbol_at(int index);
107 109
133 // with none. 135 // with none.
134 ciMethodData* get_empty_methodData(); 136 ciMethodData* get_empty_methodData();
135 137
136 ciReturnAddress* get_return_address(int bci); 138 ciReturnAddress* get_return_address(int bci);
137 139
140 // RedefineClasses support
141 void metadata_do(void f(Metadata*));
142
138 void print_contents(); 143 void print_contents();
139 void print(); 144 void print();
140 }; 145 };
141 146
142 #endif // SHARE_VM_CI_CIOBJECTFACTORY_HPP 147 #endif // SHARE_VM_CI_CIOBJECTFACTORY_HPP