Mercurial > hg > truffle
annotate src/share/vm/classfile/resolutionErrors.cpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | c18cbe5936b8 |
| children | 3582bf76420e |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 2005, 2010, 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 #include "precompiled.hpp" |
| 26 #include "classfile/resolutionErrors.hpp" | |
| 27 #include "memory/resourceArea.hpp" | |
| 28 #include "oops/oop.inline.hpp" | |
| 29 #include "runtime/handles.inline.hpp" | |
| 30 #include "runtime/safepoint.hpp" | |
| 31 #include "utilities/hashtable.inline.hpp" | |
| 0 | 32 |
| 33 // add new entry to the table | |
| 34 void ResolutionErrorTable::add_entry(int index, unsigned int hash, | |
| 35 constantPoolHandle pool, int cp_index, symbolHandle error) | |
| 36 { | |
| 37 assert_locked_or_safepoint(SystemDictionary_lock); | |
| 38 assert(!pool.is_null() && !error.is_null(), "adding NULL obj"); | |
| 39 | |
| 40 ResolutionErrorEntry* entry = new_entry(hash, pool(), cp_index, error()); | |
| 41 add_entry(index, entry); | |
| 42 } | |
| 43 | |
| 44 // find entry in the table | |
| 45 ResolutionErrorEntry* ResolutionErrorTable::find_entry(int index, unsigned int hash, | |
| 46 constantPoolHandle pool, int cp_index) | |
| 47 { | |
| 48 assert_locked_or_safepoint(SystemDictionary_lock); | |
| 49 | |
| 50 for (ResolutionErrorEntry *error_probe = bucket(index); | |
| 51 error_probe != NULL; | |
| 52 error_probe = error_probe->next()) { | |
| 53 if (error_probe->hash() == hash && error_probe->pool() == pool()) { | |
| 54 return error_probe;; | |
| 55 } | |
| 56 } | |
| 57 return NULL; | |
| 58 } | |
| 59 | |
| 60 // create new error entry | |
| 61 ResolutionErrorEntry* ResolutionErrorTable::new_entry(int hash, constantPoolOop pool, | |
| 62 int cp_index, symbolOop error) | |
| 63 { | |
| 64 ResolutionErrorEntry* entry = (ResolutionErrorEntry*)Hashtable::new_entry(hash, pool); | |
| 65 entry->set_cp_index(cp_index); | |
| 66 entry->set_error(error); | |
| 67 | |
| 68 return entry; | |
| 69 } | |
| 70 | |
| 71 // create resolution error table | |
| 72 ResolutionErrorTable::ResolutionErrorTable(int table_size) | |
| 73 : Hashtable(table_size, sizeof(ResolutionErrorEntry)) { | |
| 74 } | |
| 75 | |
| 76 // GC support | |
| 77 void ResolutionErrorTable::oops_do(OopClosure* f) { | |
| 78 for (int i = 0; i < table_size(); i++) { | |
| 79 for (ResolutionErrorEntry* probe = bucket(i); | |
| 80 probe != NULL; | |
| 81 probe = probe->next()) { | |
| 82 assert(probe->pool() != (constantPoolOop)NULL, "resolution error table is corrupt"); | |
| 83 assert(probe->error() != (symbolOop)NULL, "resolution error table is corrupt"); | |
| 84 probe->oops_do(f); | |
| 85 } | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 // GC support | |
| 90 void ResolutionErrorEntry::oops_do(OopClosure* blk) { | |
| 91 blk->do_oop((oop*)pool_addr()); | |
| 92 blk->do_oop((oop*)error_addr()); | |
| 93 } | |
| 94 | |
| 95 // We must keep the symbolOop used in the error alive. The constantPoolOop will | |
| 96 // decide when the entry can be purged. | |
| 97 void ResolutionErrorTable::always_strong_classes_do(OopClosure* blk) { | |
| 98 for (int i = 0; i < table_size(); i++) { | |
| 99 for (ResolutionErrorEntry* probe = bucket(i); | |
| 100 probe != NULL; | |
| 101 probe = probe->next()) { | |
| 102 assert(probe->error() != (symbolOop)NULL, "resolution error table is corrupt"); | |
| 103 blk->do_oop((oop*)probe->error_addr()); | |
| 104 } | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 // Remove unloaded entries from the table | |
| 109 void ResolutionErrorTable::purge_resolution_errors(BoolObjectClosure* is_alive) { | |
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110 assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint"); |
| 0 | 111 for (int i = 0; i < table_size(); i++) { |
| 112 for (ResolutionErrorEntry** p = bucket_addr(i); *p != NULL; ) { | |
| 113 ResolutionErrorEntry* entry = *p; | |
| 114 assert(entry->pool() != (constantPoolOop)NULL, "resolution error table is corrupt"); | |
| 115 constantPoolOop pool = entry->pool(); | |
| 116 if (is_alive->do_object_b(pool)) { | |
| 117 p = entry->next_addr(); | |
| 118 } else { | |
| 119 *p = entry->next(); | |
| 120 free_entry(entry); | |
| 121 } | |
| 122 } | |
| 123 } | |
| 124 } |