Mercurial > hg > graal-jvmci-8
comparison src/share/vm/classfile/loaderConstraints.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
---|---|
date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c89f86385056 |
comparison
equal
deleted
inserted
replaced
-1:000000000000 | 0:a61af66fc99e |
---|---|
1 /* | |
2 * Copyright 2003-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 class LoaderConstraintEntry; | |
26 | |
27 class LoaderConstraintTable : public Hashtable { | |
28 friend class VMStructs; | |
29 private: | |
30 | |
31 enum Constants { | |
32 _loader_constraint_size = 107, // number of entries in constraint table | |
33 _nof_buckets = 1009 // number of buckets in hash table | |
34 }; | |
35 | |
36 LoaderConstraintEntry** find_loader_constraint(symbolHandle name, | |
37 Handle loader); | |
38 | |
39 public: | |
40 | |
41 LoaderConstraintTable(int nof_buckets); | |
42 | |
43 LoaderConstraintEntry* new_entry(unsigned int hash, symbolOop name, | |
44 klassOop klass, int num_loaders, | |
45 int max_loaders); | |
46 | |
47 LoaderConstraintEntry* bucket(int i) { | |
48 return (LoaderConstraintEntry*)Hashtable::bucket(i); | |
49 } | |
50 | |
51 LoaderConstraintEntry** bucket_addr(int i) { | |
52 return (LoaderConstraintEntry**)Hashtable::bucket_addr(i); | |
53 } | |
54 | |
55 // GC support | |
56 void oops_do(OopClosure* f); | |
57 void always_strong_classes_do(OopClosure* blk); | |
58 | |
59 // Check class loader constraints | |
60 bool add_entry(symbolHandle name, klassOop klass1, Handle loader1, | |
61 klassOop klass2, Handle loader2); | |
62 | |
63 void check_signature_loaders(symbolHandle signature, Handle loader1, | |
64 Handle loader2, bool is_method, TRAPS); | |
65 | |
66 klassOop find_constrained_klass(symbolHandle name, Handle loader); | |
67 klassOop find_constrained_elem_klass(symbolHandle name, symbolHandle elem_name, | |
68 Handle loader, TRAPS); | |
69 | |
70 | |
71 // Class loader constraints | |
72 | |
73 void ensure_loader_constraint_capacity(LoaderConstraintEntry *p, int nfree); | |
74 void extend_loader_constraint(LoaderConstraintEntry* p, Handle loader, | |
75 klassOop klass); | |
76 void merge_loader_constraints(LoaderConstraintEntry** pp1, | |
77 LoaderConstraintEntry** pp2, klassOop klass); | |
78 | |
79 bool check_or_update(instanceKlassHandle k, Handle loader, | |
80 symbolHandle name); | |
81 | |
82 | |
83 void purge_loader_constraints(BoolObjectClosure* is_alive); | |
84 | |
85 void verify(Dictionary* dictionary); | |
86 #ifndef PRODUCT | |
87 void print(); | |
88 #endif | |
89 }; | |
90 | |
91 class LoaderConstraintEntry : public HashtableEntry { | |
92 friend class VMStructs; | |
93 private: | |
94 symbolOop _name; // class name | |
95 int _num_loaders; | |
96 int _max_loaders; | |
97 oop* _loaders; // initiating loaders | |
98 | |
99 public: | |
100 | |
101 klassOop klass() { return (klassOop)literal(); } | |
102 klassOop* klass_addr() { return (klassOop*)literal_addr(); } | |
103 void set_klass(klassOop k) { set_literal(k); } | |
104 | |
105 LoaderConstraintEntry* next() { | |
106 return (LoaderConstraintEntry*)HashtableEntry::next(); | |
107 } | |
108 | |
109 LoaderConstraintEntry** next_addr() { | |
110 return (LoaderConstraintEntry**)HashtableEntry::next_addr(); | |
111 } | |
112 void set_next(LoaderConstraintEntry* next) { | |
113 HashtableEntry::set_next(next); | |
114 } | |
115 | |
116 symbolOop name() { return _name; } | |
117 symbolOop* name_addr() { return &_name; } | |
118 void set_name(symbolOop name) { _name = name; } | |
119 | |
120 int num_loaders() { return _num_loaders; } | |
121 void set_num_loaders(int i) { _num_loaders = i; } | |
122 | |
123 int max_loaders() { return _max_loaders; } | |
124 void set_max_loaders(int i) { _max_loaders = i; } | |
125 | |
126 oop* loaders() { return _loaders; } | |
127 void set_loaders(oop* loaders) { _loaders = loaders; } | |
128 | |
129 oop loader(int i) { return _loaders[i]; } | |
130 oop* loader_addr(int i) { return &_loaders[i]; } | |
131 void set_loader(int i, oop p) { _loaders[i] = p; } | |
132 | |
133 }; |