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annotate src/share/vm/classfile/resolutionErrors.hpp @ 2426:1d1603768966
7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
Summary: Update the copyright to be 2010 on all changed files in OpenJDK
Reviewed-by: ohair
| author | trims |
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| date | Tue, 05 Apr 2011 14:12:31 -0700 |
| parents | 3582bf76420e |
| children | d2a62e0f25eb |
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| 0 | 1 /* |
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2 * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_CLASSFILE_RESOLUTIONERRORS_HPP |
| 26 #define SHARE_VM_CLASSFILE_RESOLUTIONERRORS_HPP | |
| 27 | |
| 28 #include "oops/constantPoolOop.hpp" | |
| 29 #include "utilities/hashtable.hpp" | |
| 30 | |
| 0 | 31 class ResolutionErrorEntry; |
| 32 | |
| 33 // ResolutionError objects are used to record errors encountered during | |
| 34 // constant pool resolution (JVMS 5.4.3). | |
| 35 | |
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36 class ResolutionErrorTable : public Hashtable<constantPoolOop> { |
| 0 | 37 |
| 38 public: | |
| 39 ResolutionErrorTable(int table_size); | |
| 40 | |
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41 ResolutionErrorEntry* new_entry(int hash, constantPoolOop pool, int cp_index, Symbol* error); |
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42 void free_entry(ResolutionErrorEntry *entry); |
| 0 | 43 |
| 44 ResolutionErrorEntry* bucket(int i) { | |
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45 return (ResolutionErrorEntry*)Hashtable<constantPoolOop>::bucket(i); |
| 0 | 46 } |
| 47 | |
| 48 ResolutionErrorEntry** bucket_addr(int i) { | |
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49 return (ResolutionErrorEntry**)Hashtable<constantPoolOop>::bucket_addr(i); |
| 0 | 50 } |
| 51 | |
| 52 void add_entry(int index, ResolutionErrorEntry* new_entry) { | |
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53 Hashtable<constantPoolOop>::add_entry(index, (HashtableEntry<constantPoolOop>*)new_entry); |
| 0 | 54 } |
| 55 | |
| 56 void add_entry(int index, unsigned int hash, | |
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57 constantPoolHandle pool, int which, Symbol* error); |
| 0 | 58 |
| 59 | |
| 60 // find error given the constant pool and constant pool index | |
| 61 ResolutionErrorEntry* find_entry(int index, unsigned int hash, | |
| 62 constantPoolHandle pool, int cp_index); | |
| 63 | |
| 64 | |
| 65 unsigned int compute_hash(constantPoolHandle pool, int cp_index) { | |
| 66 return (unsigned int) pool->identity_hash() + cp_index; | |
| 67 } | |
| 68 | |
| 69 // purges unloaded entries from the table | |
| 70 void purge_resolution_errors(BoolObjectClosure* is_alive); | |
| 71 | |
| 72 // GC support. | |
| 73 void oops_do(OopClosure* f); | |
| 74 }; | |
| 75 | |
| 76 | |
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77 class ResolutionErrorEntry : public HashtableEntry<constantPoolOop> { |
| 0 | 78 private: |
| 79 int _cp_index; | |
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80 Symbol* _error; |
| 0 | 81 |
| 82 public: | |
| 83 constantPoolOop pool() const { return (constantPoolOop)literal(); } | |
| 84 constantPoolOop* pool_addr() { return (constantPoolOop*)literal_addr(); } | |
| 85 | |
| 86 int cp_index() const { return _cp_index; } | |
| 87 void set_cp_index(int cp_index) { _cp_index = cp_index; } | |
| 88 | |
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89 Symbol* error() const { return _error; } |
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90 void set_error(Symbol* e); |
| 0 | 91 |
| 92 ResolutionErrorEntry* next() const { | |
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93 return (ResolutionErrorEntry*)HashtableEntry<constantPoolOop>::next(); |
| 0 | 94 } |
| 95 | |
| 96 ResolutionErrorEntry** next_addr() { | |
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97 return (ResolutionErrorEntry**)HashtableEntry<constantPoolOop>::next_addr(); |
| 0 | 98 } |
| 99 | |
| 100 // GC support | |
| 101 void oops_do(OopClosure* blk); | |
| 102 }; | |
| 1972 | 103 |
| 104 #endif // SHARE_VM_CLASSFILE_RESOLUTIONERRORS_HPP |